Fix last checkin - tested wrong dnode.

If the PV has two metadata areas, second one is located at the end of the device.

Do not allow resize of PV or second metadata area can be overwritten.
(The check was active only for orphan PVs.)

Makefile.in

@@ -1,6 +1,6 @@
 #
 # Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
-# Copyright (C) 2004-2007 Red Hat, Inc. All rights reserved.
+# Copyright (C) 2004-2008 Red Hat, Inc. All rights reserved.
 #
 # This file is part of LVM2.
 #
@@ -36,9 +36,10 @@ ifeq ($(MAKECMDGOALS),distclean)
 	     lib/locking \
 	     lib/mirror \
 	     lib/snapshot \
-	     po \
-	     test/mm test/device test/format1 test/regex test/filters
+	     test \
+	     po
   DISTCLEAN_TARGETS += lib/misc/configure.h
+  DISTCLEAN_DIRS += lcov_reports*
 endif
 
 include make.tmpl
@@ -71,3 +72,36 @@ endif
 
 check: all
 	$(MAKE) -C test all
+
+ifneq ("@LCOV@", "")
+.PHONY: lcov-reset lcov lcov-dated
+
+ifeq ($(MAKECMDGOALS),lcov-dated)
+LCOV_REPORTS_DIR=$(top_srcdir)/lcov_reports-$(shell date +%Y%m%d%k%M%S)
+else
+LCOV_REPORTS_DIR=$(top_srcdir)/lcov_reports
+endif
+
+lcov-reset:
+	$(LCOV) -d $(top_srcdir)/dmeventd --zerocounters
+	$(LCOV) -d $(top_srcdir)/lib --zerocounters
+	$(LCOV) -d $(top_srcdir)/tools --zerocounters
+
+lcov: all
+	$(RM) -rf $(LCOV_REPORTS_DIR)
+	$(MKDIR_P) $(LCOV_REPORTS_DIR)
+	$(LCOV) -b $(top_srcdir)/lib -d $(top_srcdir)/lib -c -o $(LCOV_REPORTS_DIR)/lib.info
+	$(LCOV) -b $(top_srcdir)/tools -d $(top_srcdir)/tools -c -o $(LCOV_REPORTS_DIR)/tools.info
+	DMEVENTD_INFO="$(LCOV_REPORTS_DIR)/dmeventd.info" ;\
+	DMEVENTD_INFO_A="-a $$DMEVENTDINFO" ;\
+	$(LCOV) -b $(top_srcdir)/dmeventd -d $(top_srcdir)/dmeventd -c -o $$DMEVENTD_INFO || DMEVENTD_INFO_A="" ;\
+	$(LCOV) $$DMEVENTD_INFO_A -a $(LCOV_REPORTS_DIR)/lib.info \
+		-a $(LCOV_REPORTS_DIR)/tools.info \
+		-o $(LCOV_REPORTS_DIR)/lvm.info
+ifneq ("@GENHTML@", "")
+	$(GENHTML) -o $(LCOV_REPORTS_DIR) -p $(top_srcdir) $(LCOV_REPORTS_DIR)/lvm.info
+endif
+
+lcov-dated: lcov
+
+endif

VERSION

@@ -1 +1 @@
-2.02.34-cvs (2008-04-10)
+2.02.40-cvs (2008-06-27)

WHATS_NEW

@@ -1,5 +1,128 @@
+Version 2.02.40 - 
+================================
+  Avoid shuffling remaining mirror images when removing one, retaining primary.
+  Add missing LV error target activation in _remove_mirror_images.
+  Prevent resizing an LV while lvconvert is using it.
+  Avoid repeatedly wiping cache while VG_GLOBAL is held in vgscan & pvscan.
+  Fix pvresize to not allow resize if PV has two metadata areas.
+  Fix setting of volume limit count if converting to lvm1 format.
+  Fix vgconvert logical volume id metadata validation.
+  Fix lvmdump metadata gather option (-m) to work correctly.
+  Fix allocation bug in text metadata format write error path.
+  Fix vgcfgbackup to properly check filename if template is used.
+  configure aborts if lcov or genhtml are missing with --enable-profiling
+  vgremove tries to remove lv snapshot first.
+  Added function lv_remove_with_dependencies().
+  Improve file descriptor leak detection to display likely culprit and filename.
+  Change clustered mirror kernel module name from cmirror to dm-log-clustered.
+  Avoid looping forever in _pv_analyze_mda_raw used by pvck.
+  Change lvchange exit status to indicate if any part of the operation failed.
+  Fix pvchange and pvremove to handle PVs without mdas.
+  Refactor _text_pv_read and always return mda list if requested.
+  Fix configure to work w/o readline unless --enable-readline used. (2.02.39)
+  Remove is_lvm_partition template which has not yet been coded.
+  Refactor pvcreate to separate parameter parsing from validation logic.
+  Check for label_write() failure in _text_pv_write().
+  Add pvcreate tests and update vgsplit tests to handle lvm1 and lvm2 metadata.
+  Fix pvchange -M1 -u to preserve existing extent locations when there's a VG.
+  Cease recognising snapshot-in-use percentages returned by early devt kernels.
+  Add backward-compatible flags field to on-disk format_text metadata.
+  Fix dmeventd monitoring libraries to link against liblvm2cmd again. (2.02.39)
+
+Version 2.02.39 - 27th June 2008
+================================
+  Enable readline by default if available.
+  Update autoconf to 2008-01-16.
+  Add $DISTCLEAN_DIRS to make.tmpl.in.
+  Create coverage reports with --enable-profiling and make lcov or lcov-dated.
+  Fix up cache for PVs without mdas after consistent VG metadata is processed.
+  Update validation of safe mirror log type conversions in lvconvert.
+  Fix lvconvert to disallow snapshot and mirror combinations.
+  Fix reporting of LV fields alongside unallocated PV segments.
+  Add --unquoted and --rows to reporting tools.
+  Add and use uninitialized_var() macro to suppress invalid compiler warnings.
+  Introduce enum for md minor sb version to suppress compiler warning.
+  Avoid undefined return value after _memlock manipulation in lvm2_run.
+  Avoid link failure if configured without --enable-cmdlib or --enable-readline.
+  Make clvmd return at once if other nodes down in a gulm or openais cluster.
+  Fix and improve readahead 'auto' calculation for stripe_size.
+  Fix lvchange output for -r auto setting if auto is already set.
+  Add test case for readahead.
+  Avoid ambiguous use of identifier error_message_produced.
+  Begin syncing configure.in for merge/unification with device-mapper.
+  Fix add_mirror_images not to dereference uninitialized log_lv upon failure.
+  Don't call openlog for every debug line output by clvmd.
+  Add --force to lvextend and lvresize.
+  Fix vgchange not to activate component mirror volumes directly.
+  Fix test directory clean up in make distclean.
+
+Version 2.02.38 - 11th June 2008
+================================
+  Fix tracking of validity of PVs with no mdas in lvmcache.
+  Fix return values for reporting commands when run with no PVs, LVs, or VGs.
+  Add omitted unlock_vg() call when sigint_caught() during vg processing.
+  Fix free_count when reading pool metadata.
+  Fix segfault when using pvcreate on a device containing pool metadata.
+  Fix segfault after _free_vginfo by remembering to remove vginfo from list.
+  Tweak detection of invalid fid after changes to PVs in VG in _vg_read.
+  Revert assuming precommitted metadata is live when activating (unnecessary).
+  Drop cached metadata for disappearing VG in vgmerge.
+  In script-processing mode, stop if any command fails.
+  Warn if command exits with non-zero status code without a prior log_error.
+  Check lv_count in vg_validate.
+  Add --nameprefixes to reporting tools for field name prefix output format.
+
+Version 2.02.37 - 6th June 2008
+===============================
+  Make clvmd-cman use a hash rather than an array for node updown info.
+  Correct config file line numbers in messages when parsing comments.
+  Drop cached metadata when renaming a VG.
+  Allow for vginfo changing during _vg_read.
+  Decode numbers in clvmd debugging output.
+  Add missing deactivation after activation failure in lvcreate -Zy.
+  When activating, if precommitted metadata is still cached, assume it's live.
+  When removing LV symlinks, skip any where the VG name is not determined.
+  Drop metadata cache if update fails in vg_revert or vg_commit.
+  Avoid spurious duplicate VG messages referring to VGs that are gone.
+  Drop dev_name_confirmed error message to debug level.
+  Fix setpriority error message to signed int.
+  Temporarily disable dmeventd mirror monitoring during lvchange --resync.
+  Refactor some vginfo manipulation code.
+  Add assertions to trap deprecated P_ and V_ lock usage.
+  Add missing mutex around clvmd lvmcache_drop_metadata library call.
+  Fix uninitialised mutex in clvmd if all daemons are not running at startup.
+  Avoid using DLM locks with LCK_CACHE type P_ lock requests.
+  When asked to drop cached committed VG metadata, invalidate cached PV labels.
+  Drop metadata cache before writing precommitted metadata instead of after.
+  Don't touch /dev in vgrename if activation is disabled.
+
+Version 2.02.36 - 29th April 2008
+=================================
+  Fix fsadm.sh to work with older blockdev, blkid & readlink binaries.
+  Fix lvresize to pass new size to fsadm when extending device.
+  Remove unused struct in clvmd-openais, and use correct node count.
+  Fix nodes list in clvmd-openais, and allow for broadcast messages.
+  Exclude VG_GLOBAL from internal concurrent VG lock counter.
+  Fix vgsplit internal counting of snapshot LVs.
+  Fix vgmerge snapshot_count when source VG contains snapshots.
+  Simplify clvmd-openais by using non-async saLckResourceLock.
+  Fix internal LV counter when a snapshot is removed.
+  Fix metadata corruption writing lvm1-formatted metadata with snapshots.
+  Fix lvconvert -m0 allocatable space check.
+
+Version 2.02.35 - 15th April 2008
+=================================
+  Drop cached VG metadata before and after committing changes to it.
+  Rename P_global to P_#global.
+  Don't attempt remote metadata backups of non-clustered VGs. (2.02.29)
+  Don't store fid in VG metadata cache to avoid clvmd segfault. (2.02.34)
+  Update vgsplit tests to verify loosening of active LV restriction.
+  Update vgsplit to only restrict split with active LVs involved in split.
+  Add lv_is_active() to determine whether an lv is active.
+
 Version 2.02.34 - 10th April 2008
 =================================
+  Improve preferred_names lvm.conf example.
   Fix vgdisplay 'Cur LV' field to match lvdisplay output.
   Fix lv_count report field to exclude hidden LVs.
   Add vg_is_clustered() helper function.

WHATS_NEW_DM

@@ -1,5 +1,32 @@
-Version 1.02.26 - 
-=================================
+Version 1.02.29 -
+=====================================
+
+Version 1.02.28 - 18th September 2008
+=====================================
+  Only resume devices in dm_tree_preload_children if size changes.
+  Extend deptree buffers so the largest possible device numbers fit.
+  Generate versioned libdevmapper-event.so.
+  Underline longer report help text headings.
+
+Version 1.02.27 - 25th June 2008
+================================
+  Align struct memblock in dbg_malloc for sparc.
+  Add --unquoted and --rows to dmsetup.
+  Avoid compiler warning about cast in dmsetup.c's OFFSET_OF macro.
+  Fix inverted no_flush debug message.
+  Remove --enable-jobs from configure. (Set at runtime instead.)
+  Bring configure.in and list.h into line with the lvm2 versions.
+
+Version 1.02.26 - 6th June 2008
+===============================
+  Initialise params buffer to empty string in _emit_segment.
+  Skip add_dev_node when ioctls disabled.
+  Make dm_hash_iter safe against deletion.
+  Accept a NULL pointer to dm_free silently.
+  Add tables_loaded, readonly and suspended columns to reports.
+  Add --nameprefixes to dmsetup.
+  Add field name prefix option to reporting functions.
+  Calculate string size within dm_pool_grow_object.
 
 Version 1.02.25 - 10th April 2008
 =================================

autoconf/config.guess

@@ -1,10 +1,10 @@
 #! /bin/sh
 # Attempt to guess a canonical system name.
 #   Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
-#   2000, 2001, 2002, 2003, 2004, 2005, 2006 Free Software Foundation,
-#   Inc.
+#   2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
+#   Free Software Foundation, Inc.
 
-timestamp='2006-07-02'
+timestamp='2008-01-23'
 
 # This file is free software; you can redistribute it and/or modify it
 # under the terms of the GNU General Public License as published by
@@ -56,8 +56,8 @@ version="\
 GNU config.guess ($timestamp)
 
 Originally written by Per Bothner.
-Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
-Free Software Foundation, Inc.
+Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
+2002, 2003, 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
 
 This is free software; see the source for copying conditions.  There is NO
 warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."
@@ -161,6 +161,7 @@ case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
 	    arm*) machine=arm-unknown ;;
 	    sh3el) machine=shl-unknown ;;
 	    sh3eb) machine=sh-unknown ;;
+	    sh5el) machine=sh5le-unknown ;;
 	    *) machine=${UNAME_MACHINE_ARCH}-unknown ;;
 	esac
 	# The Operating System including object format, if it has switched
@@ -329,7 +330,7 @@ case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
     sun4*:SunOS:5.*:* | tadpole*:SunOS:5.*:*)
 	echo sparc-sun-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
 	exit ;;
-    i86pc:SunOS:5.*:*)
+    i86pc:SunOS:5.*:* | i86xen:SunOS:5.*:*)
 	echo i386-pc-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
 	exit ;;
     sun4*:SunOS:6*:*)
@@ -531,7 +532,7 @@ EOF
 		echo rs6000-ibm-aix3.2
 	fi
 	exit ;;
-    *:AIX:*:[45])
+    *:AIX:*:[456])
 	IBM_CPU_ID=`/usr/sbin/lsdev -C -c processor -S available | sed 1q | awk '{ print $1 }'`
 	if /usr/sbin/lsattr -El ${IBM_CPU_ID} | grep ' POWER' >/dev/null 2>&1; then
 		IBM_ARCH=rs6000
@@ -780,7 +781,7 @@ EOF
     i*:CYGWIN*:*)
 	echo ${UNAME_MACHINE}-pc-cygwin
 	exit ;;
-    i*:MINGW*:*)
+    *:MINGW*:*)
 	echo ${UNAME_MACHINE}-pc-mingw32
 	exit ;;
     i*:windows32*:*)
@@ -790,12 +791,18 @@ EOF
     i*:PW*:*)
 	echo ${UNAME_MACHINE}-pc-pw32
 	exit ;;
-    x86:Interix*:[3456]*)
-	echo i586-pc-interix${UNAME_RELEASE}
-	exit ;;
-    EM64T:Interix*:[3456]*)
-	echo x86_64-unknown-interix${UNAME_RELEASE}
-	exit ;;
+    *:Interix*:[3456]*)
+    	case ${UNAME_MACHINE} in
+	    x86)
+		echo i586-pc-interix${UNAME_RELEASE}
+		exit ;;
+	    EM64T | authenticamd)
+		echo x86_64-unknown-interix${UNAME_RELEASE}
+		exit ;;
+	    IA64)
+		echo ia64-unknown-interix${UNAME_RELEASE}
+		exit ;;
+	esac ;;
     [345]86:Windows_95:* | [345]86:Windows_98:* | [345]86:Windows_NT:*)
 	echo i${UNAME_MACHINE}-pc-mks
 	exit ;;
@@ -829,7 +836,14 @@ EOF
 	echo ${UNAME_MACHINE}-pc-minix
 	exit ;;
     arm*:Linux:*:*)
-	echo ${UNAME_MACHINE}-unknown-linux-gnu
+	eval $set_cc_for_build
+	if echo __ARM_EABI__ | $CC_FOR_BUILD -E - 2>/dev/null \
+	    | grep -q __ARM_EABI__
+	then
+	    echo ${UNAME_MACHINE}-unknown-linux-gnu
+	else
+	    echo ${UNAME_MACHINE}-unknown-linux-gnueabi
+	fi
 	exit ;;
     avr32*:Linux:*:*)
 	echo ${UNAME_MACHINE}-unknown-linux-gnu
@@ -950,6 +964,9 @@ EOF
     x86_64:Linux:*:*)
 	echo x86_64-unknown-linux-gnu
 	exit ;;
+    xtensa*:Linux:*:*)
+    	echo ${UNAME_MACHINE}-unknown-linux-gnu
+	exit ;;
     i*86:Linux:*:*)
 	# The BFD linker knows what the default object file format is, so
 	# first see if it will tell us. cd to the root directory to prevent
@@ -1208,6 +1225,15 @@ EOF
     SX-6:SUPER-UX:*:*)
 	echo sx6-nec-superux${UNAME_RELEASE}
 	exit ;;
+    SX-7:SUPER-UX:*:*)
+	echo sx7-nec-superux${UNAME_RELEASE}
+	exit ;;
+    SX-8:SUPER-UX:*:*)
+	echo sx8-nec-superux${UNAME_RELEASE}
+	exit ;;
+    SX-8R:SUPER-UX:*:*)
+	echo sx8r-nec-superux${UNAME_RELEASE}
+	exit ;;
     Power*:Rhapsody:*:*)
 	echo powerpc-apple-rhapsody${UNAME_RELEASE}
 	exit ;;
@@ -1458,9 +1484,9 @@ This script, last modified $timestamp, has failed to recognize
 the operating system you are using. It is advised that you
 download the most up to date version of the config scripts from
 
-  http://savannah.gnu.org/cgi-bin/viewcvs/*checkout*/config/config/config.guess
+  http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.guess;hb=HEAD
 and
-  http://savannah.gnu.org/cgi-bin/viewcvs/*checkout*/config/config/config.sub
+  http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.sub;hb=HEAD
 
 If the version you run ($0) is already up to date, please
 send the following data and any information you think might be

autoconf/config.sub

@@ -1,10 +1,10 @@
 #! /bin/sh
 # Configuration validation subroutine script.
 #   Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
-#   2000, 2001, 2002, 2003, 2004, 2005, 2006 Free Software Foundation,
-#   Inc.
+#   2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
+#   Free Software Foundation, Inc.
 
-timestamp='2006-09-20'
+timestamp='2008-01-16'
 
 # This file is (in principle) common to ALL GNU software.
 # The presence of a machine in this file suggests that SOME GNU software
@@ -72,8 +72,8 @@ Report bugs and patches to <config-patches@gnu.org>."
 version="\
 GNU config.sub ($timestamp)
 
-Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
-Free Software Foundation, Inc.
+Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
+2002, 2003, 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
 
 This is free software; see the source for copying conditions.  There is NO
 warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."
@@ -245,12 +245,12 @@ case $basic_machine in
 	| bfin \
 	| c4x | clipper \
 	| d10v | d30v | dlx | dsp16xx \
-	| fr30 | frv \
+	| fido | fr30 | frv \
 	| h8300 | h8500 | hppa | hppa1.[01] | hppa2.0 | hppa2.0[nw] | hppa64 \
 	| i370 | i860 | i960 | ia64 \
 	| ip2k | iq2000 \
 	| m32c | m32r | m32rle | m68000 | m68k | m88k \
-	| maxq | mb | microblaze | mcore \
+	| maxq | mb | microblaze | mcore | mep \
 	| mips | mipsbe | mipseb | mipsel | mipsle \
 	| mips16 \
 	| mips64 | mips64el \
@@ -324,7 +324,7 @@ case $basic_machine in
 	| clipper-* | craynv-* | cydra-* \
 	| d10v-* | d30v-* | dlx-* \
 	| elxsi-* \
-	| f30[01]-* | f700-* | fr30-* | frv-* | fx80-* \
+	| f30[01]-* | f700-* | fido-* | fr30-* | frv-* | fx80-* \
 	| h8300-* | h8500-* \
 	| hppa-* | hppa1.[01]-* | hppa2.0-* | hppa2.0[nw]-* | hppa64-* \
 	| i*86-* | i860-* | i960-* | ia64-* \
@@ -369,10 +369,14 @@ case $basic_machine in
 	| v850-* | v850e-* | vax-* \
 	| we32k-* \
 	| x86-* | x86_64-* | xc16x-* | xps100-* | xscale-* | xscalee[bl]-* \
-	| xstormy16-* | xtensa-* \
+	| xstormy16-* | xtensa*-* \
 	| ymp-* \
 	| z8k-*)
 		;;
+	# Recognize the basic CPU types without company name, with glob match.
+	xtensa*)
+		basic_machine=$basic_machine-unknown
+		;;
 	# Recognize the various machine names and aliases which stand
 	# for a CPU type and a company and sometimes even an OS.
 	386bsd)
@@ -443,6 +447,14 @@ case $basic_machine in
 		basic_machine=ns32k-sequent
 		os=-dynix
 		;;
+	blackfin)
+		basic_machine=bfin-unknown
+		os=-linux
+		;;
+	blackfin-*)
+		basic_machine=bfin-`echo $basic_machine | sed 's/^[^-]*-//'`
+		os=-linux
+		;;
 	c90)
 		basic_machine=c90-cray
 		os=-unicos
@@ -475,8 +487,8 @@ case $basic_machine in
 		basic_machine=craynv-cray
 		os=-unicosmp
 		;;
-	cr16c)
-		basic_machine=cr16c-unknown
+	cr16)
+		basic_machine=cr16-unknown
 		os=-elf
 		;;
 	crds | unos)
@@ -668,6 +680,14 @@ case $basic_machine in
 		basic_machine=m68k-isi
 		os=-sysv
 		;;
+	m68knommu)
+		basic_machine=m68k-unknown
+		os=-linux
+		;;
+	m68knommu-*)
+		basic_machine=m68k-`echo $basic_machine | sed 's/^[^-]*-//'`
+		os=-linux
+		;;
 	m88k-omron*)
 		basic_machine=m88k-omron
 		;;
@@ -683,6 +703,10 @@ case $basic_machine in
 		basic_machine=i386-pc
 		os=-mingw32
 		;;
+	mingw32ce)
+		basic_machine=arm-unknown
+		os=-mingw32ce
+		;;
 	miniframe)
 		basic_machine=m68000-convergent
 		;;
@@ -809,6 +833,14 @@ case $basic_machine in
 		basic_machine=i860-intel
 		os=-osf
 		;;
+	parisc)
+		basic_machine=hppa-unknown
+		os=-linux
+		;;
+	parisc-*)
+		basic_machine=hppa-`echo $basic_machine | sed 's/^[^-]*-//'`
+		os=-linux
+		;;
 	pbd)
 		basic_machine=sparc-tti
 		;;
@@ -925,6 +957,9 @@ case $basic_machine in
 		basic_machine=sh-hitachi
 		os=-hms
 		;;
+	sh5el)
+		basic_machine=sh5le-unknown
+		;;
 	sh64)
 		basic_machine=sh64-unknown
 		;;
@@ -1014,6 +1049,10 @@ case $basic_machine in
 		basic_machine=tic6x-unknown
 		os=-coff
 		;;
+	tile*)
+		basic_machine=tile-unknown
+		os=-linux-gnu
+		;;
 	tx39)
 		basic_machine=mipstx39-unknown
 		;;
@@ -1219,7 +1258,7 @@ case $os in
 	      | -os2* | -vos* | -palmos* | -uclinux* | -nucleus* \
 	      | -morphos* | -superux* | -rtmk* | -rtmk-nova* | -windiss* \
 	      | -powermax* | -dnix* | -nx6 | -nx7 | -sei* | -dragonfly* \
-	      | -skyos* | -haiku* | -rdos* | -toppers*)
+	      | -skyos* | -haiku* | -rdos* | -toppers* | -drops*)
 	# Remember, each alternative MUST END IN *, to match a version number.
 		;;
 	-qnx*)
@@ -1414,6 +1453,9 @@ case $basic_machine in
 	m68*-cisco)
 		os=-aout
 		;;
+        mep-*)
+		os=-elf
+		;;
 	mips*-cisco)
 		os=-elf
 		;;

configure.in

@@ -1,8 +1,6 @@
-##
+###############################################################################
 ## Copyright (C) 2000-2004 Sistina Software, Inc. All rights reserved.
-## Copyright (C) 2004-2007 Red Hat, Inc. All rights reserved.
-##
-## This file is part of LVM2.
+## Copyright (C) 2004-2008 Red Hat, Inc. All rights reserved.
 ##
 ## This copyrighted material is made available to anyone wishing to use,
 ## modify, copy, or redistribute it subject to the terms and conditions
@@ -18,9 +16,7 @@ AC_PREREQ(2.57)
 dnl -- Process this file with autoconf to produce a configure script.
 AC_INIT
 AC_CONFIG_SRCDIR([lib/device/dev-cache.h])
-
-################################################################################
-AC_CONFIG_HEADERS(lib/misc/configure.h)
+AC_CONFIG_HEADERS([lib/misc/configure.h])
 
 ################################################################################
 dnl -- Setup the directory where autoconf has auxilary files
@@ -32,57 +28,63 @@ AC_CANONICAL_TARGET([])
 
 case "$host_os" in
 	linux*)
-		CFLAGS="$CFLAGS"
 		COPTIMISE_FLAG="-O2"
 		CLDFLAGS="$CLDFLAGS -Wl,--version-script,.export.sym"
 		CLDWHOLEARCHIVE="-Wl,-whole-archive"
 		CLDNOWHOLEARCHIVE="-Wl,-no-whole-archive"
 		LDDEPS="$LDDEPS .export.sym"
 		LDFLAGS="$LDFLAGS -Wl,--export-dynamic"
-		LIB_SUFFIX="so"
+		LIB_SUFFIX=so
 		DEVMAPPER=yes
 		ODIRECT=yes
+		DM_IOCTLS=yes
 		SELINUX=yes
 		REALTIME=yes
 		CLUSTER=internal
-		FSADM=no ;;
+		FSADM=no
+		;;
 	darwin*)
 		CFLAGS="$CFLAGS -no-cpp-precomp -fno-common"
 		COPTIMISE_FLAG="-O2"
 		CLDFLAGS="$CLDFLAGS"
 		CLDWHOLEARCHIVE="-all_load"
 		CLDNOWHOLEARCHIVE=
-		LDDEPS="$LDDEPS"
-		LDFLAGS="$LDFLAGS"
-		LIB_SUFFIX="dylib"
+		LIB_SUFFIX=dylib
 		DEVMAPPER=yes
 		ODIRECT=no
+		DM_IOCTLS=no
 		SELINUX=no
 		REALTIME=no
 		CLUSTER=none
-		FSADM=no ;;
+		FSADM=no
+		;;
 esac
 
 ################################################################################
 dnl -- Checks for programs.
 AC_PROG_AWK
 AC_PROG_CC
+
+dnl probably no longer needed in 2008, but...
+AC_PROG_GCC_TRADITIONAL
 AC_PROG_INSTALL
 AC_PROG_LN_S
 AC_PROG_MAKE_SET
+AC_PROG_MKDIR_P
 AC_PROG_RANLIB
 AC_PATH_PROG(CFLOW_CMD, cflow)
 AC_PATH_PROG(CSCOPE_CMD, cscope)
 
 ################################################################################
-dnl -- Checks for header files.
+dnl -- Check for header files.
 AC_HEADER_DIRENT
 AC_HEADER_STDC
 AC_HEADER_SYS_WAIT
 AC_HEADER_TIME
 
-AC_CHECK_HEADERS(fcntl.h limits.h locale.h stddef.h syslog.h sys/file.h sys/ioctl.h sys/param.h sys/time.h,,AC_MSG_ERROR(bailing out))
-AC_CHECK_HEADERS(assert.h ctype.h libgen.h signal.h stdio.h sys/mman.h sys/resource.h sys/stat.h sys/types.h sys/utsname.h sys/wait.h time.h,,AC_MSG_ERROR(bailing out))
+AC_CHECK_HEADERS([locale.h stddef.h syslog.h sys/file.h sys/time.h assert.h \
+  libgen.h signal.h sys/mman.h sys/resource.h sys/utsname.h sys/wait.h time.h], ,
+  [AC_MSG_ERROR(bailing out)])
 
 case "$host_os" in
 	linux*)
@@ -91,12 +93,19 @@ case "$host_os" in
 		AC_CHECK_HEADERS(machine/endian.h sys/disk.h,,AC_MSG_ERROR(bailing out)) ;;
 esac
 
+AC_CHECK_HEADERS([ctype.h dirent.h errno.h fcntl.h getopt.h inttypes.h limits.h \
+  stdarg.h stdio.h stdlib.h string.h sys/ioctl.h sys/param.h sys/stat.h \
+  sys/types.h unistd.h], , [AC_MSG_ERROR(bailing out)])
+AC_CHECK_HEADERS(termios.h sys/statvfs.h)
+
 ################################################################################
-dnl -- Checks for typedefs, structures, and compiler characteristics.
+dnl -- Check for typedefs, structures, and compiler characteristics.
 AC_C_CONST
 AC_C_INLINE
+AC_CHECK_MEMBERS([struct stat.st_rdev])
 AC_TYPE_OFF_T
 AC_TYPE_PID_T
+AC_TYPE_SIGNAL
 AC_TYPE_SIZE_T
 AC_TYPE_MODE_T
 AC_CHECK_MEMBERS([struct stat.st_rdev])
@@ -104,7 +113,9 @@ AC_STRUCT_TM
 
 ################################################################################
 dnl -- Check for functions
-AC_CHECK_FUNCS(gethostname getpagesize memset munmap setlocale strcasecmp strchr strdup strncasecmp strerror strrchr strstr strtol strtoul,,AC_MSG_ERROR(bailing out))
+AC_CHECK_FUNCS([gethostname getpagesize memset mkdir rmdir munmap setlocale \
+  strcasecmp strchr strdup strncasecmp strerror strrchr strstr strtol strtoul \
+  uname], , [AC_MSG_ERROR(bailing out)])
 AC_FUNC_ALLOCA
 AC_FUNC_CLOSEDIR_VOID
 AC_FUNC_FORK
@@ -114,22 +125,19 @@ AC_FUNC_MEMCMP
 AC_FUNC_MMAP
 AC_FUNC_STAT
 AC_FUNC_STRTOD
+AC_FUNC_VPRINTF
 
 ################################################################################
 dnl -- Prefix is /usr by default, the exec_prefix default is setup later
 AC_PREFIX_DEFAULT(/usr)
 
-################################################################################
-dnl -- Parallel make jobs?
-AC_ARG_ENABLE(jobs, [  --enable-jobs=NUM       Number of jobs to run simultaneously], JOBS=-j$enableval, JOBS=-j2)
-
 ################################################################################
 dnl -- Setup the ownership of the files
 AC_MSG_CHECKING(file owner)
 OWNER="root"
 
 AC_ARG_WITH(user,
-  [  --with-user=USER        Set the owner of installed files ],
+  [  --with-user=USER        Set the owner of installed files [[USER=root]] ],
   [ OWNER="$withval" ])
 AC_MSG_RESULT($OWNER)
 
@@ -142,7 +150,7 @@ dnl -- Setup the group ownership of the files
 AC_MSG_CHECKING(group owner)
 GROUP="root"
 AC_ARG_WITH(group,
-  [  --with-group=GROUP      Set the group owner of installed files ],
+  [  --with-group=GROUP      Set the group owner of installed files [[GROUP=root]] ],
   [ GROUP="$withval" ])
 AC_MSG_RESULT($GROUP)
 
@@ -261,30 +269,13 @@ if test x$MIRRORS = xinternal; then
 fi
 
 ################################################################################
-dnl -- Enables staticly-linked tools
-AC_MSG_CHECKING(whether to use static linking)
-AC_ARG_ENABLE(static_link, [  --enable-static_link    Use this to link the tools to their libraries
-                          statically.  Default is dynamic linking],  STATIC_LINK=$enableval, STATIC_LINK=no)
-AC_MSG_RESULT($STATIC_LINK)
-
-################################################################################
-dnl -- Enable readline
+dnl -- Disable readline
 AC_MSG_CHECKING(whether to enable readline)
-AC_ARG_ENABLE(readline, [  --enable-readline       Enable readline support],
-READLINE=$enableval, READLINE=no)
+AC_ARG_ENABLE([readline],
+  [  --disable-readline      Disable readline support],
+  [READLINE=$enableval], [READLINE=maybe])
 AC_MSG_RESULT($READLINE)
 
-if test x$READLINE = xyes; then
-	AC_DEFINE([READLINE_SUPPORT], 1, [Define to 1 to include the LVM readline shell.])
-fi
-
-################################################################################
-dnl -- Disable selinux
-AC_MSG_CHECKING(whether to enable selinux support)
-AC_ARG_ENABLE(selinux, [  --disable-selinux       Disable selinux support],
-SELINUX=$enableval)
-AC_MSG_RESULT($SELINUX)
-
 ################################################################################
 dnl -- Disable realtime clock support
 AC_MSG_CHECKING(whether to enable realtime support)
@@ -314,7 +305,7 @@ fi
 dnl -- Enable debugging
 AC_MSG_CHECKING(whether to enable debugging)
 AC_ARG_ENABLE(debug,    [  --enable-debug          Enable debugging],
-DEBUG=$enableval, DEBUG=no)
+  DEBUG=$enableval, DEBUG=no)
 AC_MSG_RESULT($DEBUG)
 
 dnl -- Normally turn off optimisation for debug builds
@@ -328,10 +319,27 @@ fi
 dnl -- Override optimisation
 AC_MSG_CHECKING(for C optimisation flag)
 AC_ARG_WITH(optimisation,
-  [  --with-optimisation=OPT C optimisation flag [OPT=-O2] ],
+  [  --with-optimisation=OPT C optimisation flag [[OPT=-O2]] ],
   [ COPTIMISE_FLAG="$withval" ])
 AC_MSG_RESULT($COPTIMISE_FLAG)
 
+################################################################################
+dnl -- Enable profiling
+AC_MSG_CHECKING(whether to gather gcov profiling data)
+AC_ARG_ENABLE(profiling,
+  AC_HELP_STRING(--enable-profiling, [Gather gcov profiling data]),
+  PROFILING=$enableval, PROFILING=no)
+AC_MSG_RESULT($PROFILING)
+
+if test "x$PROFILING" = xyes; then
+  COPTIMISE_FLAG="$COPTIMISE_FLAG -fprofile-arcs -ftest-coverage"
+  AC_PATH_PROG(LCOV, lcov, no)
+  AC_PATH_PROG(GENHTML, genhtml, no)
+  if test "$LCOV" = no -o "$GENHTML" = no ; then
+    AC_MSG_ERROR([lcov and genhtml are required for profiling])
+  fi
+fi
+
 ################################################################################
 dnl -- Disable devmapper
 AC_MSG_CHECKING(whether to use device-mapper)
@@ -360,6 +368,11 @@ AC_MSG_CHECKING(whether to compile liblvm2cmd.so)
 AC_ARG_ENABLE(cmdlib, [  --enable-cmdlib         Build shared command library],
 CMDLIB=$enableval, CMDLIB=no)
 AC_MSG_RESULT($CMDLIB)
+AC_SUBST([LVM2CMD_LIB])
+test x$CMDLIB = xyes \
+  && LVM2CMD_LIB=-llvm2cmd \
+  || LVM2CMD_LIB=
+
 
 ################################################################################
 dnl -- Enable fsadm
@@ -376,33 +389,35 @@ DMEVENTD=$enableval)
 AC_MSG_RESULT($DMEVENTD)
 
 dnl -- dmeventd currently requires internal mirror support
-if test x$DMEVENTD = xyes && test x$MIRRORS != xinternal; then
-AC_MSG_ERROR(
---enable-dmeventd currently requires --with-mirrors=internal
-)
+if test x$DMEVENTD = xyes; then
+   if test x$MIRRORS != xinternal; then
+      AC_MSG_ERROR(
+	--enable-dmeventd currently requires --with-mirrors=internal
+      )
+   fi
+   if test x$CMDLIB = xno; then
+      AC_MSG_ERROR(
+        --enable-dmeventd requires --enable-cmdlib to be used as well
+      )
+   fi
 fi
 
 if test x$DMEVENTD = xyes; then
 	AC_DEFINE([DMEVENTD], 1, [Define to 1 to enable the device-mapper event daemon.])
 fi
 ################################################################################
-dnl -- Mess with default exec_prefix
+dnl -- Clear default exec_prefix - install into /sbin rather than /usr/sbin
 if [[ "x$exec_prefix" = xNONE -a "x$prefix" = xNONE ]];
  then  exec_prefix="";
 fi;
 
-################################################################################
-dnl -- Checks for library functions.
-AC_PROG_GCC_TRADITIONAL
-AC_TYPE_SIGNAL
-AC_FUNC_VPRINTF
-AC_CHECK_FUNCS(mkdir rmdir uname,,AC_MSG_ERROR(bailing out))
-
 ################################################################################
 dnl -- Check for termcap (Shamelessly copied from parted 1.4.17)
-if test x$READLINE = xyes; then
-	AC_SEARCH_LIBS(tgetent, ncurses curses termcap termlib, ,
-		AC_MSG_ERROR(
+if test x$READLINE != xno; then
+	AC_SEARCH_LIBS([tgetent], [ncurses curses termcap termlib],
+	  [tg_found=yes], [tg_found=no])
+	test x$READLINE:$tg_found = xyes:no &&
+	  AC_MSG_ERROR(
 termcap could not be found which is required for the
 --enable-readline option (which is enabled by default).  Either disable readline
 support with --disable-readline or download and install termcap from:
@@ -412,7 +427,6 @@ Note: if you are using precompiled packages you will also need the development
 Note: (n)curses also seems to work as a substitute for termcap.  This was
   not found either - but you could try installing that as well.
 )
-	)
 fi
 
 ################################################################################
@@ -436,12 +450,30 @@ Features cannot be 'shared' when building statically
 )
 fi
 
+################################################################################
+dnl -- Enables statically-linked tools
+AC_MSG_CHECKING(whether to use static linking)
+AC_ARG_ENABLE(static_link,
+  [  --enable-static_link    Use this to link the tools to their libraries
+                          statically.  Default is dynamic linking],
+  STATIC_LINK=$enableval, STATIC_LINK=no)
+AC_MSG_RESULT($STATIC_LINK)
+
+################################################################################
+dnl -- Disable selinux
+AC_MSG_CHECKING(whether to enable selinux support)
+AC_ARG_ENABLE(selinux, [  --disable-selinux       Disable selinux support],
+  SELINUX=$enableval)
+AC_MSG_RESULT($SELINUX)
+
 ################################################################################
 dnl -- Check for selinux
 if test x$SELINUX = xyes; then
 	AC_CHECK_LIB(sepol, sepol_check_context, HAVE_SEPOL=yes, HAVE_SEPOL=no)
 
 	if test x$HAVE_SEPOL = xyes; then
+		AC_DEFINE([HAVE_SEPOL], 1,
+		  [Define to 1 if sepol_check_context is available.])
 		LIBS="-lsepol $LIBS"
 	fi
 
@@ -454,7 +486,7 @@ if test x$SELINUX = xyes; then
 		AC_MSG_WARN(Disabling selinux)
 	fi
 
-	# With --enable-static_link and selinux enabled, linking lvm.static
+	# With --enable-static_link and selinux enabled, linking
 	# fails on at least Debian unstable due to unsatisfied references
 	# to pthread_mutex_lock and _unlock.  See if we need -lpthread.
 	if test "$STATIC_LINK-$HAVE_SELINUX" = yes-yes; then
@@ -482,13 +514,15 @@ fi
 
 ################################################################################
 dnl -- Check for getopt
-AC_CHECK_HEADERS(getopt.h, AC_DEFINE([HAVE_GETOPTLONG], 1, [Define to 1 to if getopt_long is available.]))
+AC_CHECK_HEADERS(getopt.h, AC_DEFINE([HAVE_GETOPTLONG], 1, [Define to 1 if getopt_long is available.]))
 
 ################################################################################
 dnl -- Check for readline (Shamelessly copied from parted 1.4.17)
-if test x$READLINE = xyes; then
-	AC_CHECK_LIB(readline, readline, ,
-		AC_MSG_ERROR(
+if test x$READLINE != xno; then
+	rl_found=yes
+	AC_CHECK_LIB([readline], [readline], , [rl_found=no])
+	test x$READLINE:$rl_found = xyes:no &&
+	  AC_MSG_ERROR(
 GNU Readline could not be found which is required for the
 --enable-readline option (which is enabled by default).  Either disable readline
 support with --disable-readline or download and install readline from:
@@ -496,8 +530,11 @@ support with --disable-readline or download and install readline from:
 Note: if you are using precompiled packages you will also need the development
 package as well (which may be called readline-devel or something similar).
 )
-	)
-	AC_CHECK_FUNC(rl_completion_matches, AC_DEFINE([HAVE_RL_COMPLETION_MATCHES], 1, [Define to 1 if rl_completion_matches() is available.]))
+	if test $rl_found = yes; then
+		AC_CHECK_FUNCS([rl_completion_matches])
+		AC_DEFINE([READLINE_SUPPORT], 1,
+		  [Define to 1 to include the LVM readline shell.])
+	fi
 fi
 
 ################################################################################
@@ -517,25 +554,25 @@ if test x$INTL = xyes; then
 	fi;
 
 	AC_ARG_WITH(localedir,
-  		    [  --with-localedir=DIR    Translation files in DIR [PREFIX/share/locale]],
-  		    [ LOCALEDIR="$withval" ],
-  		    [ LOCALEDIR='${prefix}/share/locale' ])
+		    [  --with-localedir=DIR    Translation files in DIR [[PREFIX/share/locale]] ],
+		    [ LOCALEDIR="$withval" ],
+		    [ LOCALEDIR='${prefix}/share/locale' ])
 fi
 
 ################################################################################
 AC_ARG_WITH(confdir,
 	    [  --with-confdir=DIR      Configuration files in DIR [/etc]],
-  	    [ CONFDIR="$withval" ],
- 	    [ CONFDIR='/etc' ])
+	    [ CONFDIR="$withval" ],
+	    [ CONFDIR='/etc' ])
 
 AC_ARG_WITH(staticdir,
 	    [  --with-staticdir=DIR    Static binary in DIR [EXEC_PREFIX/sbin]],
-  	    [ STATICDIR="$withval" ],
- 	    [ STATICDIR='${exec_prefix}/sbin' ])
+	    [ STATICDIR="$withval" ],
+	    [ STATICDIR='${exec_prefix}/sbin' ])
 
 AC_ARG_WITH(dmdir,
 	    [  --with-dmdir=DIR        Build against device-mapper source tree in DIR],
-  	    [ DMDIR="$withval" CPPFLAGS="$CPPFLAGS -I$DMDIR/include"],
+	    [ DMDIR="$withval" CPPFLAGS="$CPPFLAGS -I$DMDIR/include"],
 	    [ DMDIR= ])
 
 # Convert a relative dir name to absolute.
@@ -585,51 +622,56 @@ if test x$MODPROBE_CMD != x; then
 fi
 
 ################################################################################
-if test "-f VERSION"; then
-  LVM_VERSION="\"`cat VERSION`\""
-else
-  LVM_VERSION="Unknown"
-fi
+LVM_VERSION="\"`cat VERSION 2>/dev/null || echo Unknown`\""
 
 ################################################################################
-AC_SUBST(JOBS)
-AC_SUBST(STATIC_LINK)
-AC_SUBST(LVM1)
-AC_SUBST(POOL)
-AC_SUBST(SNAPSHOTS)
-AC_SUBST(MIRRORS)
-AC_SUBST(OWNER)
-AC_SUBST(GROUP)
+AC_SUBST(BUILD_DMEVENTD)
 AC_SUBST(CFLAGS)
-AC_SUBST(COPTIMISE_FLAG)
+AC_SUBST(CFLOW_CMD)
 AC_SUBST(CLDFLAGS)
-AC_SUBST(CLDWHOLEARCHIVE)
 AC_SUBST(CLDNOWHOLEARCHIVE)
-AC_SUBST(LDDEPS)
-AC_SUBST(LDFLAGS)
-AC_SUBST(LIB_SUFFIX)
-AC_SUBST(LIBS)
-AC_SUBST(LVM_VERSION)
-AC_SUBST(LVM1_FALLBACK)
+AC_SUBST(CLDWHOLEARCHIVE)
+AC_SUBST(CLUSTER)
+AC_SUBST(CLVMD)
+AC_SUBST(CMDLIB)
+AC_SUBST(COPTIMISE_FLAG)
+AC_SUBST(CSCOPE_CMD)
 AC_SUBST(DEBUG)
 AC_SUBST(DEVMAPPER)
-AC_SUBST(HAVE_LIBDL)
-AC_SUBST(HAVE_SELINUX)
-AC_SUBST(HAVE_REALTIME)
-AC_SUBST(CMDLIB)
-AC_SUBST(MSGFMT)
-AC_SUBST(LOCALEDIR)
-AC_SUBST(CONFDIR)
-AC_SUBST(STATICDIR)
 AC_SUBST(DMDIR)
-AC_SUBST(INTL_PACKAGE)
-AC_SUBST(INTL)
-AC_SUBST(CLVMD)
-AC_SUBST(CLUSTER)
-AC_SUBST(FSADM)
+# FIXME: rename to LVM_USE_DMEVENTD
 AC_SUBST(DMEVENTD)
-AC_SUBST(CFLOW_CMD)
-AC_SUBST(CSCOPE_CMD)
+AC_SUBST(DM_COMPAT)
+AC_SUBST(DM_DEVICE_GID)
+AC_SUBST(DM_DEVICE_MODE)
+AC_SUBST(DM_DEVICE_UID)
+AC_SUBST(DM_IOCTLS)
+AC_SUBST(DM_LIB_VERSION)
+AC_SUBST(FSADM)
+AC_SUBST(GROUP)
+AC_SUBST(HAVE_LIBDL)
+AC_SUBST(HAVE_REALTIME)
+AC_SUBST(HAVE_SELINUX)
+AC_SUBST(INTL)
+AC_SUBST(INTL_PACKAGE)
+AC_SUBST(JOBS)
+AC_SUBST(LDDEPS)
+AC_SUBST(LIBS)
+AC_SUBST(LIB_SUFFIX)
+AC_SUBST(LOCALEDIR)
+AC_SUBST(LVM1)
+AC_SUBST(LVM1_FALLBACK)
+# FIXME: rename to LVM_CONF_DIR
+AC_SUBST(CONFDIR)
+AC_SUBST(LVM_VERSION)
+AC_SUBST(MIRRORS)
+AC_SUBST(MSGFMT)
+AC_SUBST(OWNER)
+AC_SUBST(PKGCONFIG)
+AC_SUBST(POOL)
+AC_SUBST(SNAPSHOTS)
+AC_SUBST(STATICDIR)
+AC_SUBST(STATIC_LINK)
 AC_SUBST([LIB_PTHREAD])
 
 ################################################################################
@@ -638,22 +680,22 @@ dnl -- keep utility scripts running properly
 AC_CONFIG_FILES([
 Makefile
 make.tmpl
+include/Makefile
+lib/Makefile
+man/Makefile
+po/Makefile
+dmeventd/Makefile
 daemons/Makefile
 daemons/clvmd/Makefile
-dmeventd/Makefile
 dmeventd/mirror/Makefile
 dmeventd/snapshot/Makefile
 doc/Makefile
-include/Makefile
-lib/Makefile
 lib/format1/Makefile
 lib/format_pool/Makefile
 lib/locking/Makefile
 lib/mirror/Makefile
 lib/snapshot/Makefile
 test/Makefile
-man/Makefile
-po/Makefile
 scripts/Makefile
 tools/Makefile
 tools/version.h

daemons/clvmd/clvmd-cman.c

@@ -36,6 +36,7 @@
 #include <fcntl.h>
 #include <getopt.h>
 #include <errno.h>
+#include <libdevmapper.h>
 #include <libdlm.h>
 
 #include "clvmd-comms.h"
@@ -46,13 +47,17 @@
 
 #define LOCKSPACE_NAME "clvmd"
 
+struct clvmd_node
+{
+	struct cman_node *node;
+	int clvmd_up;
+};
+
 static int num_nodes;
 static struct cman_node *nodes = NULL;
 static struct cman_node this_node;
 static int count_nodes; /* size of allocated nodes array */
-static int max_updown_nodes = 50;	/* Current size of the allocated array */
-/* Node up/down status, indexed by nodeid */
-static int *node_updown = NULL;
+static struct dm_hash_table *node_updown_hash;
 static dlm_lshandle_t *lockspace;
 static cman_handle_t c_handle;
 
@@ -72,6 +77,8 @@ struct lock_wait {
 
 static int _init_cluster(void)
 {
+	node_updown_hash = dm_hash_create(100);
+
 	/* Open the cluster communication socket */
 	c_handle = cman_init(NULL);
 	if (!c_handle) {
@@ -165,8 +172,10 @@ static int _cluster_do_node_callback(struct local_client *client,
 
 	for (i = 0; i < _get_num_nodes(); i++) {
 		if (nodes[i].cn_member && nodes[i].cn_nodeid) {
-			callback(client, (char *)&nodes[i].cn_nodeid, node_updown[nodes[i].cn_nodeid]);
-			if (!node_updown[nodes[i].cn_nodeid])
+			int up = (int)(long)dm_hash_lookup_binary(node_updown_hash, (char *)&nodes[i].cn_nodeid, sizeof(int));
+
+			callback(client, (char *)&nodes[i].cn_nodeid, up);
+			if (!up)
 				somedown = -1;
 		}
 	}
@@ -184,7 +193,7 @@ static void event_callback(cman_handle_t handle, void *private, int reason, int
 		log_notice("clvmd on node %s has died\n", namebuf);
 		DEBUGLOG("Got port closed message, removing node %s\n", namebuf);
 
-		node_updown[arg] = 0;
+		dm_hash_insert_binary(node_updown_hash, (char *)&arg, sizeof(int), (void *)0);
 		break;
 
 	case CMAN_REASON_STATECHANGE:
@@ -239,22 +248,7 @@ static void _add_up_node(const char *csid)
 	/* It's up ! */
 	int nodeid = nodeid_from_csid(csid);
 
-	if (nodeid >= max_updown_nodes) {
-	        int new_size = nodeid + 10;
-		int *new_updown = realloc(node_updown, sizeof(int) * new_size);
-
-		if (new_updown) {
-			node_updown = new_updown;
-			max_updown_nodes = new_size;
-			DEBUGLOG("realloced more space for nodes. now %d\n",
-				 max_updown_nodes);
-		} else {
-			log_error
-				("Realloc failed. Node status for clvmd will be wrong. quitting\n");
-			exit(999);
-		}
-	}
-	node_updown[nodeid] = 1;
+	dm_hash_insert_binary(node_updown_hash, (char *)&nodeid, sizeof(int), (void *)1);
 	DEBUGLOG("Added new node %d to updown list\n", nodeid);
 }
 
@@ -288,7 +282,12 @@ static void count_clvmds_running(void)
 	int i;
 
 	for (i = 0; i < num_nodes; i++) {
-		node_updown[nodes[i].cn_nodeid] = is_listening(nodes[i].cn_nodeid);
+		int nodeid = nodes[i].cn_nodeid;
+
+		if (is_listening(nodeid) == 1)
+			dm_hash_insert_binary(node_updown_hash, (void *)&nodeid, sizeof(int), (void*)1);
+		else
+			dm_hash_insert_binary(node_updown_hash, (void *)&nodeid, sizeof(int), (void*)0);
 	}
 }
 
@@ -332,16 +331,6 @@ static void get_members()
 		if (nodes[i].cn_nodeid > high_nodeid)
 			high_nodeid = nodes[i].cn_nodeid;
 	}
-
-	if (node_updown == NULL) {
-		size_t buf_len;
-		if (high_nodeid >= max_updown_nodes)
-			max_updown_nodes = high_nodeid + 1;
-		buf_len = sizeof(int) * max_updown_nodes;
-		node_updown = malloc(buf_len);
-		if (node_updown)
-			memset(node_updown, 0, buf_len);
-	}
 }
 
 

daemons/clvmd/clvmd-command.c

@@ -118,9 +118,11 @@ int do_command(struct local_client *client, struct clvm_header *msg, int msglen,
 		lockname = &args[2];
 		/* Check to see if the VG is in use by LVM1 */
 		status = do_check_lvm1(lockname);
-		/* P_global causes a cache refresh */
-		if (strcmp(lockname, "P_global") == 0)
-		      do_refresh_cache();
+		/* P_#global causes a full cache refresh */
+		if (!strcmp(lockname, "P_" VG_GLOBAL))
+			do_refresh_cache();
+		else
+			drop_metadata(lockname + 2);
 
 		break;
 
@@ -251,7 +253,11 @@ int do_pre_command(struct local_client *client)
 		break;
 
 	case CLVMD_CMD_LOCK_VG:
-       	        status = lock_vg(client);
+		lockname = &args[2];
+		/* We take out a real lock unless LCK_CACHE was set */
+		if (!strncmp(lockname, "V_", 2) ||
+		    !strncmp(lockname, "P_#", 3))
+			status = lock_vg(client);
 		break;
 
 	case CLVMD_CMD_LOCK_LV:

daemons/clvmd/clvmd-gulm.c

@@ -665,6 +665,7 @@ static int _cluster_do_node_callback(struct local_client *master_client,
 {
     struct dm_hash_node *hn;
     struct node_info *ninfo;
+    int somedown = 0;
 
     dm_hash_iterate(hn, node_hash)
     {
@@ -686,12 +687,14 @@ static int _cluster_do_node_callback(struct local_client *master_client,
 	    client = dm_hash_lookup_binary(sock_hash, csid, GULM_MAX_CSID_LEN);
 
 	}
+	DEBUGLOG("down_callback2. node %s, state = %d\n", ninfo->name, ninfo->state);
 	if (ninfo->state != NODE_DOWN)
 		callback(master_client, csid, ninfo->state == NODE_CLVMD);
 
-
+	if (ninfo->state != NODE_CLVMD)
+		somedown = -1;
     }
-    return 0;
+    return somedown;
 }
 
 /* Convert gulm error codes to unix errno numbers */

daemons/clvmd/clvmd-openais.c

@@ -50,11 +50,6 @@
 /* Timeout value for several openais calls */
 #define TIMEOUT 10
 
-static void lck_lock_callback(SaInvocationT invocation,
-			      SaLckLockStatusT lockStatus,
-			      SaAisErrorT error);
-static void lck_unlock_callback(SaInvocationT invocation,
-				SaAisErrorT error);
 static void cpg_deliver_callback (cpg_handle_t handle,
 				  struct cpg_name *groupName,
 				  uint32_t nodeid,
@@ -92,11 +87,6 @@ cpg_callbacks_t cpg_callbacks = {
 	.cpg_confchg_fn =            cpg_confchg_callback,
 };
 
-SaLckCallbacksT lck_callbacks = {
-        .saLckLockGrantCallback      = lck_lock_callback,
-        .saLckResourceUnlockCallback = lck_unlock_callback
-};
-
 struct node_info
 {
 	enum {NODE_UNKNOWN, NODE_DOWN, NODE_UP, NODE_CLVMD} state;
@@ -110,13 +100,6 @@ struct lock_info
 	SaNameT              lock_name;
 };
 
-struct lock_wait
-{
-	pthread_cond_t cond;
-	pthread_mutex_t mutex;
-	int status;
-};
-
 /* Set errno to something approximating the right value and return 0 or -1 */
 static int ais_to_errno(SaAisErrorT err)
 {
@@ -255,12 +238,13 @@ static void cpg_deliver_callback (cpg_handle_t handle,
 
 	memcpy(&target_nodeid, msg, OPENAIS_CSID_LEN);
 
-	DEBUGLOG("Got message from nodeid %d for %d. len %d\n",
-		 nodeid, target_nodeid, msg_len-4);
+	DEBUGLOG("%u got message from nodeid %d for %d. len %d\n",
+		 our_nodeid, nodeid, target_nodeid, msg_len-4);
 
-	if (target_nodeid == our_nodeid)
-		process_message(cluster_client, (char *)msg+OPENAIS_CSID_LEN,
-				msg_len-OPENAIS_CSID_LEN, (char*)&nodeid);
+	if (nodeid != our_nodeid)
+		if (target_nodeid == our_nodeid || target_nodeid == 0)
+			process_message(cluster_client, (char *)msg+OPENAIS_CSID_LEN,
+					msg_len-OPENAIS_CSID_LEN, (char*)&nodeid);
 }
 
 static void cpg_confchg_callback(cpg_handle_t handle,
@@ -302,34 +286,27 @@ static void cpg_confchg_callback(cpg_handle_t handle,
 			ninfo->state = NODE_DOWN;
 	}
 
-	num_nodes = joined_list_entries;
-}
+	for (i=0; i<member_list_entries; i++) {
+		if (member_list[i].nodeid == 0) continue;
+		ninfo = dm_hash_lookup_binary(node_hash,
+				(char *)&member_list[i].nodeid,
+				OPENAIS_CSID_LEN);
+		if (!ninfo) {
+			ninfo = malloc(sizeof(struct node_info));
+			if (!ninfo) {
+				break;
+			}
+			else {
+				ninfo->nodeid = member_list[i].nodeid;
+				dm_hash_insert_binary(node_hash,
+						(char *)&ninfo->nodeid,
+						OPENAIS_CSID_LEN, ninfo);
+			}
+		}
+		ninfo->state = NODE_CLVMD;
+	}
 
-static void lck_lock_callback(SaInvocationT invocation,
-			      SaLckLockStatusT lockStatus,
-			      SaAisErrorT error)
-{
-	struct lock_wait *lwait = (struct lock_wait *)(long)invocation;
-
-	DEBUGLOG("lck_lock_callback, error = %d\n", error);
-
-	lwait->status = error;
-	pthread_mutex_lock(&lwait->mutex);
-	pthread_cond_signal(&lwait->cond);
-	pthread_mutex_unlock(&lwait->mutex);
-}
-
-static void lck_unlock_callback(SaInvocationT invocation,
-				SaAisErrorT error)
-{
-	struct lock_wait *lwait = (struct lock_wait *)(long)invocation;
-
-	DEBUGLOG("lck_unlock_callback\n");
-
-	lwait->status = SA_AIS_OK;
-	pthread_mutex_lock(&lwait->mutex);
-	pthread_cond_signal(&lwait->cond);
-	pthread_mutex_unlock(&lwait->mutex);
+	num_nodes = member_list_entries;
 }
 
 static int lck_dispatch(struct local_client *client, char *buf, int len,
@@ -359,7 +336,7 @@ static int _init_cluster(void)
 	}
 
 	err = saLckInitialize(&lck_handle,
-			      &lck_callbacks,
+					NULL,
 			      &ver);
 	if (err != SA_AIS_OK) {
 		cpg_initialize(&cpg_handle, &cpg_callbacks);
@@ -475,6 +452,7 @@ static int _cluster_do_node_callback(struct local_client *master_client,
 {
 	struct dm_hash_node *hn;
 	struct node_info *ninfo;
+	int somedown = 0;
 
 	dm_hash_iterate(hn, node_hash)
 	{
@@ -488,22 +466,20 @@ static int _cluster_do_node_callback(struct local_client *master_client,
 
 		if (ninfo->state != NODE_DOWN)
 			callback(master_client, csid, ninfo->state == NODE_CLVMD);
+		if (ninfo->state != NODE_CLVMD)
+			somedown = -1;
 	}
-	return 0;
+	return somedown;
 }
 
 /* Real locking */
 static int _lock_resource(char *resource, int mode, int flags, int *lockid)
 {
-	struct lock_wait lwait;
 	struct lock_info *linfo;
 	SaLckResourceHandleT res_handle;
 	SaAisErrorT err;
 	SaLckLockIdT lock_id;
-
-	pthread_cond_init(&lwait.cond, NULL);
-	pthread_mutex_init(&lwait.mutex, NULL);
-	pthread_mutex_lock(&lwait.mutex);
+	SaLckLockStatusT lockStatus;
 
 	/* This needs to be converted from DLM/LVM2 value for OpenAIS LCK */
 	if (flags & LCK_NONBLOCK) flags = SA_LCK_LOCK_NO_QUEUE;
@@ -526,24 +502,24 @@ static int _lock_resource(char *resource, int mode, int flags, int *lockid)
 		return ais_to_errno(err);
 	}
 
-	err = saLckResourceLockAsync(res_handle,
-				     (SaInvocationT)(long)&lwait,
-				     &lock_id,
-				     mode,
-				     flags,
-				     0);
-	if (err != SA_AIS_OK)
+	err = saLckResourceLock(
+			res_handle,
+			&lock_id,
+			mode,
+			flags,
+			0,
+			SA_TIME_END,
+			&lockStatus);
+	if (err != SA_AIS_OK && lockStatus != SA_LCK_LOCK_GRANTED)
 	{
 		free(linfo);
 		saLckResourceClose(res_handle);
 		return ais_to_errno(err);
 	}
-
+			
 	/* Wait for it to complete */
-	pthread_cond_wait(&lwait.cond, &lwait.mutex);
-	pthread_mutex_unlock(&lwait.mutex);
 
-	DEBUGLOG("lock_resource returning %d, lock_id=%llx\n", lwait.status,
+	DEBUGLOG("lock_resource returning %d, lock_id=%llx\n", err,
 		 lock_id);
 
 	linfo->lock_id = lock_id;
@@ -551,43 +527,34 @@ static int _lock_resource(char *resource, int mode, int flags, int *lockid)
 
 	dm_hash_insert(lock_hash, resource, linfo);
 
-	return ais_to_errno(lwait.status);
+	return ais_to_errno(err);
 }
 
 
 static int _unlock_resource(char *resource, int lockid)
 {
-	struct lock_wait lwait;
 	SaAisErrorT err;
 	struct lock_info *linfo;
 
-	pthread_cond_init(&lwait.cond, NULL);
-	pthread_mutex_init(&lwait.mutex, NULL);
-	pthread_mutex_lock(&lwait.mutex);
-
 	DEBUGLOG("unlock_resource %s\n", resource);
 	linfo = dm_hash_lookup(lock_hash, resource);
 	if (!linfo)
 		return 0;
 
 	DEBUGLOG("unlock_resource: lockid: %llx\n", linfo->lock_id);
-	err = saLckResourceUnlockAsync((SaInvocationT)(long)&lwait, linfo->lock_id);
+	err = saLckResourceUnlock(linfo->lock_id, SA_TIME_END);
 	if (err != SA_AIS_OK)
 	{
 		DEBUGLOG("Unlock returned %d\n", err);
 		return ais_to_errno(err);
 	}
 
-	/* Wait for it to complete */
-	pthread_cond_wait(&lwait.cond, &lwait.mutex);
-	pthread_mutex_unlock(&lwait.mutex);
-
 	/* Release the resource */
 	dm_hash_remove(lock_hash, resource);
 	saLckResourceClose(linfo->res_handle);
 	free(linfo);
 
-	return ais_to_errno(lwait.status);
+	return ais_to_errno(err);
 }
 
 static int _sync_lock(const char *resource, int mode, int flags, int *lockid)

daemons/clvmd/clvmd.c

@@ -182,8 +182,10 @@ void debuglog(const char *fmt, ...)
 		va_end(ap);
 	}
 	if (debug == DEBUG_SYSLOG) {
-		if (!syslog_init)
+		if (!syslog_init) {
 			openlog("clvmd", LOG_PID, LOG_DAEMON);
+			syslog_init = 1;
+		}
 
 		va_start(ap,fmt);
 		vsyslog(LOG_DEBUG, fmt, ap);
@@ -191,6 +193,58 @@ void debuglog(const char *fmt, ...)
 	}
 }
 
+static const char *decode_cmd(unsigned char cmdl)
+{
+	static char buf[128];
+	const char *command;
+
+	switch (cmdl) {
+	case CLVMD_CMD_TEST:		
+		command = "TEST";	
+		break;
+	case CLVMD_CMD_LOCK_VG:		
+		command = "LOCK_VG";	
+		break;
+	case CLVMD_CMD_LOCK_LV:		
+		command = "LOCK_LV";	
+		break;
+	case CLVMD_CMD_REFRESH:		
+		command = "REFRESH";	
+		break;
+	case CLVMD_CMD_SET_DEBUG:	
+		command = "SET_DEBUG";	
+		break;
+	case CLVMD_CMD_GET_CLUSTERNAME:	
+		command = "GET_CLUSTERNAME";
+		break;
+	case CLVMD_CMD_VG_BACKUP:	
+		command = "VG_BACKUP";	
+		break;
+	case CLVMD_CMD_REPLY:		
+		command = "REPLY";	
+		break;
+	case CLVMD_CMD_VERSION:		
+		command = "VERSION";	
+		break;
+	case CLVMD_CMD_GOAWAY:		
+		command = "GOAWAY";	
+		break;
+	case CLVMD_CMD_LOCK:		
+		command = "LOCK";	
+		break;
+	case CLVMD_CMD_UNLOCK:		
+		command = "UNLOCK";	
+		break;
+	default:			
+		command = "unknown";    
+		break;
+	}
+
+	sprintf(buf, "%s (0x%x)", command, cmdl);
+
+	return buf;
+}
+
 int main(int argc, char *argv[])
 {
 	int local_sock;
@@ -530,7 +584,7 @@ static void timedout_callback(struct local_client *client, const char *csid,
 		char nodename[max_cluster_member_name_len];
 
 		clops->name_from_csid(csid, nodename);
-		DEBUGLOG("PJC: checking for a reply from %s\n", nodename);
+		DEBUGLOG("Checking for a reply from %s\n", nodename);
 		pthread_mutex_lock(&client->bits.localsock.reply_mutex);
 
 		reply = client->bits.localsock.replies;
@@ -541,7 +595,7 @@ static void timedout_callback(struct local_client *client, const char *csid,
 		pthread_mutex_unlock(&client->bits.localsock.reply_mutex);
 
 		if (!reply) {
-			DEBUGLOG("PJC: node %s timed-out\n", nodename);
+			DEBUGLOG("Node %s timed-out\n", nodename);
 			add_reply_to_list(client, ETIMEDOUT, csid,
 					  "Command timed out", 18);
 		}
@@ -985,6 +1039,14 @@ static int read_from_local_sock(struct local_client *thisfd)
 			}
 		}
 
+		/* Initialise and lock the mutex so the subthread will wait after
+		   finishing the PRE routine */
+		if (!thisfd->bits.localsock.threadid) {
+			pthread_mutex_init(&thisfd->bits.localsock.mutex, NULL);
+			pthread_cond_init(&thisfd->bits.localsock.cond, NULL);
+			pthread_mutex_init(&thisfd->bits.localsock.reply_mutex, NULL);
+		}
+
 		/* Only run the command if all the cluster nodes are running CLVMD */
 		if (((inheader->flags & CLVMD_FLAG_LOCAL) == 0) &&
 		    (check_all_clvmds_running(thisfd) == -1)) {
@@ -1056,12 +1118,6 @@ static int read_from_local_sock(struct local_client *thisfd)
 
 		thisfd->bits.localsock.pipe = comms_pipe[1];
 
-		/* Initialise and lock the mutex so the subthread will wait after
-		   finishing the PRE routine */
-		pthread_mutex_init(&thisfd->bits.localsock.mutex, NULL);
-		pthread_cond_init(&thisfd->bits.localsock.cond, NULL);
-		pthread_mutex_init(&thisfd->bits.localsock.reply_mutex, NULL);
-
 		/* Make sure the thread has a copy of it's own ID */
 		newfd->bits.pipe.threadid = thisfd->bits.localsock.threadid;
 
@@ -1167,8 +1223,8 @@ static void process_remote_command(struct clvm_header *msg, int msglen, int fd,
 	/* Get the node name as we /may/ need it later */
 	clops->name_from_csid(csid, nodename);
 
-	DEBUGLOG("process_remote_command %d for clientid 0x%x XID %d on node %s\n",
-		 msg->cmd, msg->clientid, msg->xid, nodename);
+	DEBUGLOG("process_remote_command %s for clientid 0x%x XID %d on node %s\n",
+		 decode_cmd(msg->cmd), msg->clientid, msg->xid, nodename);
 
 	/* Check for GOAWAY and sulk */
 	if (msg->cmd == CLVMD_CMD_GOAWAY) {
@@ -1439,8 +1495,9 @@ static int process_local_command(struct clvm_header *msg, int msglen,
 	int replylen = 0;
 	int status;
 
-	DEBUGLOG("process_local_command: msg=%p, msglen =%d, client=%p\n", msg,
-		 msglen, client);
+	DEBUGLOG("process_local_command: %s msg=%p, msglen =%d, client=%p\n",
+		 decode_cmd(msg->cmd), msg, msglen, client);
+
 	if (replybuf == NULL)
 		return -1;
 

daemons/clvmd/lvm-functions.c

@@ -61,6 +61,94 @@ struct lv_info {
 	int lock_mode;
 };
 
+#define LCK_MASK (LCK_TYPE_MASK | LCK_SCOPE_MASK)
+
+static const char *decode_locking_cmd(unsigned char cmdl)
+{
+	static char buf[128];
+	const char *type;
+	const char *scope;
+	const char *command;
+
+	switch (cmdl & LCK_TYPE_MASK) {
+	case LCK_NULL:   
+		type = "NULL";   
+		break;
+	case LCK_READ:   
+		type = "READ";   
+		break;
+	case LCK_PREAD:  
+		type = "PREAD";  
+		break;
+	case LCK_WRITE:  
+		type = "WRITE";  
+		break;
+	case LCK_EXCL:   
+		type = "EXCL";   
+		break;
+	case LCK_UNLOCK: 
+		type = "UNLOCK"; 
+		break;
+	default:
+		type = "unknown";
+		break;
+	}
+
+	switch (cmdl & LCK_SCOPE_MASK) {
+	case LCK_VG: 
+		scope = "VG"; 
+		break;
+	case LCK_LV: 
+		scope = "LV"; 
+		break;
+	default:
+		scope = "unknown";
+		break;
+	}
+
+	switch (cmdl & LCK_MASK) {
+	case LCK_LV_EXCLUSIVE & LCK_MASK:
+		command = "LCK_LV_EXCLUSIVE";  
+		break;
+	case LCK_LV_SUSPEND & LCK_MASK:    
+		command = "LCK_LV_SUSPEND";    
+		break;
+	case LCK_LV_RESUME & LCK_MASK:     
+		command = "LCK_LV_RESUME";     
+		break;
+	case LCK_LV_ACTIVATE & LCK_MASK:   
+		command = "LCK_LV_ACTIVATE";   
+		break;
+	case LCK_LV_DEACTIVATE & LCK_MASK: 
+		command = "LCK_LV_DEACTIVATE"; 
+		break;
+	default:
+		command = "unknown";
+		break;
+	}
+
+	sprintf(buf, "0x%x %s (%s|%s%s%s%s%s%s)", cmdl, command, type, scope,
+		cmdl & LCK_NONBLOCK   ? "|NONBLOCK" : "",
+		cmdl & LCK_HOLD       ? "|HOLD" : "",
+		cmdl & LCK_LOCAL      ? "|LOCAL" : "",
+		cmdl & LCK_CLUSTER_VG ? "|CLUSTER_VG" : "",
+		cmdl & LCK_CACHE      ? "|CACHE" : "");
+
+	return buf;
+}
+
+static const char *decode_flags(unsigned char flags)
+{
+	static char buf[128];
+
+	sprintf(buf, "0x%x (%s%s%s)", flags,
+		flags & LCK_PARTIAL_MODE	  ? "PARTIAL " : "",
+		flags & LCK_MIRROR_NOSYNC_MODE	  ? "MIRROR_NOSYNC " : "",
+		flags & LCK_DMEVENTD_MONITOR_MODE ? "DMEVENTD_MONITOR " : "");
+
+	return buf;
+}
+
 char *get_last_lvm_error()
 {
 	return last_error;
@@ -312,8 +400,8 @@ int do_lock_lv(unsigned char command, unsigned char lock_flags, char *resource)
 {
 	int status = 0;
 
-	DEBUGLOG("do_lock_lv: resource '%s', cmd = 0x%x, flags = %x\n",
-		 resource, command, lock_flags);
+	DEBUGLOG("do_lock_lv: resource '%s', cmd = %s, flags = %s\n",
+		 resource, decode_locking_cmd(command), decode_flags(lock_flags));
 
 	pthread_mutex_lock(&lvm_lock);
 	if (!cmd->config_valid || config_files_changed(cmd)) {
@@ -391,8 +479,8 @@ int pre_lock_lv(unsigned char command, unsigned char lock_flags, char *resource)
 	   before suspending cluster-wide.
 	 */
 	if (command == LCK_LV_SUSPEND) {
-		DEBUGLOG("pre_lock_lv: resource '%s', cmd = 0x%x, flags = %d\n",
-			 resource, command, lock_flags);
+		DEBUGLOG("pre_lock_lv: resource '%s', cmd = %s, flags = %s\n",
+			 resource, decode_locking_cmd(command), decode_flags(lock_flags));
 
 		if (hold_lock(resource, LKM_PWMODE, LKF_NOQUEUE))
 			return errno;
@@ -411,8 +499,8 @@ int post_lock_lv(unsigned char command, unsigned char lock_flags,
 		int oldmode;
 
 		DEBUGLOG
-		    ("post_lock_lv: resource '%s', cmd = 0x%x, flags = %d\n",
-		     resource, command, lock_flags);
+		    ("post_lock_lv: resource '%s', cmd = %s, flags = %s\n",
+		     resource, decode_locking_cmd(command), decode_flags(lock_flags));
 
 		/* If the lock state is PW then restore it to what it was */
 		oldmode = get_current_lock(resource);
@@ -472,7 +560,8 @@ static void drop_vg_locks()
 	    popen
 	    ("lvm pvs  --config 'log{command_names=0 prefix=\"\"}' --nolocking --noheadings -o vg_name", "r");
 
-	sync_unlock("P_orphans", LCK_EXCL);
+	sync_unlock("P_" VG_ORPHANS, LCK_EXCL);
+	sync_unlock("P_" VG_GLOBAL, LCK_EXCL);
 
 	if (!vgs)
 		return;
@@ -499,6 +588,17 @@ static void drop_vg_locks()
 		DEBUGLOG("vgs fclose failed: %s\n", strerror(errno));
 }
 
+/*
+ * Drop lvmcache metadata
+ */
+void drop_metadata(const char *vgname)
+{
+	DEBUGLOG("Dropping metadata for VG %s\n", vgname);
+	pthread_mutex_lock(&lvm_lock);
+	lvmcache_drop_metadata(vgname);
+	pthread_mutex_unlock(&lvm_lock);
+}
+
 /*
  * Ideally, clvmd should be started before any LVs are active
  * but this may not be the case...

daemons/clvmd/lvm-functions.h

@@ -33,5 +33,6 @@ extern int hold_unlock(char *resource);
 extern int hold_lock(char *resource, int mode, int flags);
 extern void unlock_all(void);
 extern char *get_last_lvm_error(void);
+extern void drop_metadata(const char *vgname);
 
 #endif

daemons/dmeventd/Makefile.in

@@ -23,6 +23,7 @@ ifeq ("@LIB_SUFFIX@","dylib")
   LIB_SHARED = libdevmapper-event.dylib
 else
   LIB_SHARED = libdevmapper-event.so
+  VERSIONED_SHLIB = $(LIB_SHARED).$(LIB_VERSION)
 endif
 
 TARGETS = dmeventd
@@ -33,7 +34,7 @@ include ../make.tmpl
 LDFLAGS += -ldl -ldevmapper -lpthread
 CLDFLAGS += -ldl -ldevmapper -lpthread
 
-dmeventd: $(LIB_SHARED) dmeventd.o
+dmeventd: $(LIB_SHARED) $(VERSIONED_SHLIB) dmeventd.o
 	$(CC) -o $@ dmeventd.o $(CFLAGS) $(LDFLAGS) \
 	-L. -ldevmapper-event $(LIBS) -rdynamic
 
@@ -74,6 +75,10 @@ install_static: libdevmapper-event.a
 		$(libdir)/libdevmapper-event.a.$(LIB_VERSION)
 	$(LN_S) -f libdevmapper-event.a.$(LIB_VERSION) $(libdir)/libdevmapper-event.a
 
+$(VERSIONED_SHLIB): $(LIB_SHARED)
+	$(RM) -f $@
+	$(LN_S) $(LIB_SHARED) $@
+
 .PHONY: distclean_lib distclean
 
 distclean_lib: 

daemons/dmeventd/dmeventd.c

@@ -36,6 +36,7 @@
 #include <sys/time.h>
 #include <sys/resource.h>
 #include <unistd.h>
+#include <signal.h>
 #include <arpa/inet.h>		/* for htonl, ntohl */
 
 #ifdef linux

daemons/dmeventd/plugins/mirror/Makefile.in

@@ -1,6 +1,6 @@
 #
 # Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
-# Copyright (C) 2004-2005 Red Hat, Inc. All rights reserved.
+# Copyright (C) 2004-2005, 2008 Red Hat, Inc. All rights reserved.
 #
 # This file is part of LVM2.
 #
@@ -17,7 +17,7 @@ top_srcdir = @top_srcdir@
 VPATH = @srcdir@
 
 INCLUDES += -I${top_srcdir}/tools
-CLDFLAGS += -L${top_srcdir}/tools -ldevmapper -llvm2cmd
+CLDFLAGS += -L${top_srcdir}/tools -ldevmapper @LVM2CMD_LIB@
 
 SOURCES = dmeventd_mirror.c
 
@@ -33,4 +33,3 @@ install: libdevmapper-event-lvm2mirror.$(LIB_SUFFIX)
 	$(INSTALL) -D $(OWNER) $(GROUP) -m 555 $(STRIP) $< \
 		$(libdir)/$<.$(LIB_VERSION)
 	$(LN_S) -f $<.$(LIB_VERSION) $(libdir)/$<
-

daemons/dmeventd/plugins/snapshot/Makefile.in

@@ -17,7 +17,7 @@ top_srcdir = @top_srcdir@
 VPATH = @srcdir@
 
 INCLUDES += -I${top_srcdir}/tools
-CLDFLAGS += -L${top_srcdir}/tools -ldevmapper -llvm2cmd
+CLDFLAGS += -L${top_srcdir}/tools -ldevmapper @LVM2CMD_LIB@
 
 SOURCES = dmeventd_snapshot.c
 
@@ -33,4 +33,3 @@ install: libdevmapper-event-lvm2snapshot.$(LIB_SUFFIX)
 	$(INSTALL) -D $(OWNER) $(GROUP) -m 555 $(STRIP) $< \
 		$(libdir)/$<.$(LIB_VERSION)
 	$(LN_S) -f $<.$(LIB_VERSION) $(libdir)/$<
-

dmeventd/mirror/Makefile.in

@@ -1,6 +1,6 @@
 #
 # Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
-# Copyright (C) 2004-2005 Red Hat, Inc. All rights reserved.
+# Copyright (C) 2004-2005, 2008 Red Hat, Inc. All rights reserved.
 #
 # This file is part of LVM2.
 #
@@ -17,7 +17,7 @@ top_srcdir = @top_srcdir@
 VPATH = @srcdir@
 
 INCLUDES += -I${top_srcdir}/tools
-CLDFLAGS += -L${top_srcdir}/tools -ldevmapper -llvm2cmd
+CLDFLAGS += -L${top_srcdir}/tools -ldevmapper @LVM2CMD_LIB@
 
 SOURCES = dmeventd_mirror.c
 
@@ -33,4 +33,3 @@ install: libdevmapper-event-lvm2mirror.$(LIB_SUFFIX)
 	$(INSTALL) -D $(OWNER) $(GROUP) -m 555 $(STRIP) $< \
 		$(libdir)/$<.$(LIB_VERSION)
 	$(LN_S) -f $<.$(LIB_VERSION) $(libdir)/$<
-

dmeventd/snapshot/Makefile.in

@@ -17,7 +17,7 @@ top_srcdir = @top_srcdir@
 VPATH = @srcdir@
 
 INCLUDES += -I${top_srcdir}/tools
-CLDFLAGS += -L${top_srcdir}/tools -ldevmapper -llvm2cmd
+CLDFLAGS += -L${top_srcdir}/tools -ldevmapper @LVM2CMD_LIB@
 
 SOURCES = dmeventd_snapshot.c
 
@@ -33,4 +33,3 @@ install: libdevmapper-event-lvm2snapshot.$(LIB_SUFFIX)
 	$(INSTALL) -D $(OWNER) $(GROUP) -m 555 $(STRIP) $< \
 		$(libdir)/$<.$(LIB_VERSION)
 	$(LN_S) -f $<.$(LIB_VERSION) $(libdir)/$<
-

doc/example.conf

@@ -25,9 +25,8 @@ devices {
     # list of regular expressions in turn and the first match is used.
     preferred_names = [ ]
 
-    # If device-mapper multipath is used, more descriptive names might
-    # be preferred over the dm-N names:
-    # preferred_names = [ "^/dev/mapper/mpath" ]
+    # Try to avoid using undescriptive /dev/dm-N names, if present.
+    # preferred_names = [ "^/dev/mpath/", "^/dev/mapper/mpath", "^/dev/[hs]d" ]
 
     # A filter that tells LVM2 to only use a restricted set of devices.
     # The filter consists of an array of regular expressions.  These

lib/Makefile.in

@@ -61,6 +61,7 @@ SOURCES =\
 	format_text/import_vsn1.c \
 	format_text/tags.c \
 	format_text/text_label.c \
+	freeseg/freeseg.c \
 	label/label.c \
 	locking/file_locking.c \
 	locking/locking.c \

lib/activate/activate.c

@@ -673,6 +673,38 @@ int lvs_in_vg_opened(const struct volume_group *vg)
 	return count;
 }
 
+/*
+ * Determine whether an LV is active locally or in a cluster.
+ * Assumes vg lock held.
+ * Returns:
+ * 0 - not active locally or on any node in cluster
+ * 1 - active either locally or some node in the cluster
+ */
+int lv_is_active(struct logical_volume *lv)
+{
+	if (_lv_active(lv->vg->cmd, lv, 0))
+		return 1;
+
+	if (!vg_is_clustered(lv->vg))
+		return 0;
+
+	/*
+	 * FIXME: Cluster does not report per-node LV activation status.
+	 * Currently the best we can do is try exclusive local activation.
+	 * If that succeeds, we know the LV is not active elsewhere in the
+	 * cluster.
+	 */
+	if (activate_lv_excl(lv->vg->cmd, lv)) {
+		deactivate_lv(lv->vg->cmd, lv);
+		return 0;
+	}
+
+	/*
+	 * Exclusive local activation failed so assume it is active elsewhere.
+	 */
+	return 1;
+}
+
 /*
  * Returns 0 if an attempt to (un)monitor the device failed.
  * Returns 1 otherwise.

lib/activate/activate.h

@@ -91,6 +91,7 @@ int lvs_in_vg_activated(struct volume_group *vg);
 int lvs_in_vg_activated_by_uuid_only(struct volume_group *vg);
 int lvs_in_vg_opened(const struct volume_group *vg);
 
+int lv_is_active(struct logical_volume *lv);
 
 int monitor_dev_for_events(struct cmd_context *cmd,
 			    struct logical_volume *lv, int do_reg);

lib/activate/dev_manager.c

@@ -379,8 +379,7 @@ static int _percent_run(struct dev_manager *dm, const char *name,
 		    !segtype->ops->target_percent(&dm->target_state, dm->mem,
 						  dm->cmd, seg, params,
 						  &total_numerator,
-						  &total_denominator,
-						  percent))
+						  &total_denominator))
 			goto_out;
 
 	} while (next);
@@ -393,7 +392,7 @@ static int _percent_run(struct dev_manager *dm, const char *name,
 
 	if (total_denominator)
 		*percent = (float) total_numerator *100 / total_denominator;
-	else if (*percent < 0)
+	else
 		*percent = 100;
 
 	log_debug("LV percent: %f", *percent);
@@ -928,8 +927,8 @@ static int _add_new_lv_to_dtree(struct dev_manager *dm, struct dm_tree *dtree,
 			break;
 		if (lv_is_cow(lv) && !layer)
 			break;
-		if (max_stripe_size < seg->stripe_size)
-			max_stripe_size = seg->stripe_size;
+		if (max_stripe_size < seg->stripe_size * seg->area_count)
+			max_stripe_size = seg->stripe_size * seg->area_count;
 	}
 
 	if (read_ahead == DM_READ_AHEAD_AUTO) {
@@ -995,6 +994,9 @@ static int _remove_lv_symlinks(struct dev_manager *dm, struct dm_tree_node *root
 			continue;
 		}
 
+		if (!*vgname)
+			continue;
+
 		/* only top level layer has symlinks */
 		if (*layer)
 			continue;

lib/cache/lvmcache.c

@@ -22,12 +22,16 @@
 #include "filter.h"
 #include "memlock.h"
 #include "str_list.h"
+#include "format-text.h"
+#include "format_pool.h"
+#include "format1.h"
 
 static struct dm_hash_table *_pvid_hash = NULL;
 static struct dm_hash_table *_vgid_hash = NULL;
 static struct dm_hash_table *_vgname_hash = NULL;
 static struct dm_hash_table *_lock_hash = NULL;
 static struct list _vginfos;
+static int _scanning_in_progress = 0;
 static int _has_scanned = 0;
 static int _vgs_locked = 0;
 static int _vg_global_lock_held = 0;	/* Global lock held when cache wiped? */
@@ -63,7 +67,6 @@ static void _free_cached_vgmetadata(struct lvmcache_vginfo *vginfo)
 	dm_free(vginfo->vgmetadata);
 
 	vginfo->vgmetadata = NULL;
-	vginfo->fid = NULL;
 
 	log_debug("Metadata cache: VG %s wiped.", vginfo->vgname);
 }
@@ -81,7 +84,6 @@ static void _store_metadata(struct lvmcache_vginfo *vginfo,
 		return;
 	}
 
-	vginfo->fid = vg->fid;
 	vginfo->precommitted = precommitted;
 
 	log_debug("Metadata cache: VG %s stored (%d bytes%s).", vginfo->vgname,
@@ -95,9 +97,10 @@ static void _update_cache_info_lock_state(struct lvmcache_info *info,
 	int was_locked = (info->status & CACHE_LOCKED) ? 1 : 0;
 
 	/*
-	 * Cache becomes invalid whenever lock state changes
+	 * Cache becomes invalid whenever lock state changes unless
+	 * exclusive VG_GLOBAL is held (i.e. while scanning).
 	 */
-	if (was_locked != locked) {
+	if (!vgname_is_locked(VG_GLOBAL) && (was_locked != locked)) {
 		info->status |= CACHE_INVALID;
 		*cached_vgmetadata_valid = 0;
 	}
@@ -132,6 +135,42 @@ static void _update_cache_lock_state(const char *vgname, int locked)
 	_update_cache_vginfo_lock_state(vginfo, locked);
 }
 
+static void _drop_metadata(const char *vgname)
+{
+	struct lvmcache_vginfo *vginfo;
+	struct lvmcache_info *info;
+
+	if (!(vginfo = vginfo_from_vgname(vgname, NULL)))
+		return;
+
+	/*
+	 * Invalidate cached PV labels.
+	 * If cached precommitted metadata exists that means we
+	 * already invalidated the PV labels (before caching it)
+	 * and we must not do it again.
+	 */
+
+	if (!vginfo->precommitted)
+		list_iterate_items(info, &vginfo->infos)
+			info->status |= CACHE_INVALID;
+
+	_free_cached_vgmetadata(vginfo);
+}
+
+void lvmcache_drop_metadata(const char *vgname)
+{
+	/* For VG_ORPHANS, we need to invalidate all labels on orphan PVs. */
+	if (!strcmp(vgname, VG_ORPHANS)) {
+		_drop_metadata(FMT_TEXT_ORPHAN_VG_NAME);
+		_drop_metadata(FMT_LVM1_ORPHAN_VG_NAME);
+		_drop_metadata(FMT_POOL_ORPHAN_VG_NAME);
+
+		/* Indicate that PVs could now be missing from the cache */
+		init_full_scan_done(0);
+	} else if (!vgname_is_locked(VG_GLOBAL))
+		_drop_metadata(vgname);
+}
+
 void lvmcache_lock_vgname(const char *vgname, int read_only __attribute((unused)))
 {
 	if (!_lock_hash && !lvmcache_init()) {
@@ -148,7 +187,8 @@ void lvmcache_lock_vgname(const char *vgname, int read_only __attribute((unused)
 
 	_update_cache_lock_state(vgname, 1);
 
-	_vgs_locked++;
+	if (strcmp(vgname, VG_GLOBAL))
+		_vgs_locked++;
 }
 
 int vgname_is_locked(const char *vgname)
@@ -170,7 +210,7 @@ void lvmcache_unlock_vgname(const char *vgname)
 	dm_hash_remove(_lock_hash, vgname);
 
 	/* FIXME Do this per-VG */
-	if (!--_vgs_locked)
+	if (strcmp(vgname, VG_GLOBAL) && !--_vgs_locked)
 		dev_close_all();
 }
 
@@ -179,11 +219,34 @@ int vgs_locked(void)
 	return _vgs_locked;
 }
 
+static void _vginfo_attach_info(struct lvmcache_vginfo *vginfo,
+				struct lvmcache_info *info)
+{
+	if (!vginfo)
+		return;
+
+	info->vginfo = vginfo;
+	list_add(&vginfo->infos, &info->list);
+}
+
+static void _vginfo_detach_info(struct lvmcache_info *info)
+{
+	if (!list_empty(&info->list)) {
+		list_del(&info->list);
+		list_init(&info->list);
+	}
+
+	info->vginfo = NULL;
+}
+
 /* If vgid supplied, require a match. */
 struct lvmcache_vginfo *vginfo_from_vgname(const char *vgname, const char *vgid)
 {
 	struct lvmcache_vginfo *vginfo;
 
+	if (!vgname)
+		return vginfo_from_vgid(vgid);
+
 	if (!_vgname_hash)
 		return NULL;
 
@@ -298,6 +361,7 @@ static int _vginfo_is_valid(struct lvmcache_vginfo *vginfo)
 {
 	struct lvmcache_info *info;
 
+	/* Invalid if any info is invalid */
 	list_iterate_items(info, &vginfo->infos)
 		if (!_info_is_valid(info))
 			return 0;
@@ -305,6 +369,18 @@ static int _vginfo_is_valid(struct lvmcache_vginfo *vginfo)
 	return 1;
 }
 
+/* vginfo is invalid if it does not contain at least one valid info */
+static int _vginfo_is_invalid(struct lvmcache_vginfo *vginfo)
+{
+	struct lvmcache_info *info;
+
+	list_iterate_items(info, &vginfo->infos)
+		if (_info_is_valid(info))
+			return 0;
+
+	return 1;
+}
+
 /*
  * If valid_only is set, data will only be returned if the cached data is
  * known still to be valid.
@@ -351,7 +427,6 @@ int lvmcache_label_scan(struct cmd_context *cmd, int full_scan)
 	struct device *dev;
 	struct format_type *fmt;
 
-	static int _scanning_in_progress = 0;
 	int r = 0;
 
 	/* Avoid recursion when a PVID can't be found! */
@@ -400,6 +475,7 @@ struct volume_group *lvmcache_get_vg(const char *vgid, unsigned precommitted)
 {
 	struct lvmcache_vginfo *vginfo;
 	struct volume_group *vg;
+	struct format_instance *fid;
 
 	if (!vgid || !(vginfo = vginfo_from_vgid(vgid)) || !vginfo->vgmetadata)
 		return NULL;
@@ -407,17 +483,35 @@ struct volume_group *lvmcache_get_vg(const char *vgid, unsigned precommitted)
 	if (!_vginfo_is_valid(vginfo))
 		return NULL;
 
+	/*
+	 * Don't return cached data if either:
+	 * (i)  precommitted metadata is requested but we don't have it cached
+	 *      - caller should read it off disk;
+	 * (ii) live metadata is requested but we have precommitted metadata cached
+	 *      and no devices are suspended so caller may read it off disk.
+	 *
+	 * If live metadata is requested but we have precommitted metadata cached
+	 * and devices are suspended, we assume this precommitted metadata has
+	 * already been preloaded and committed so it's OK to return it as live.
+	 * Note that we do not clear the PRECOMMITTED flag.
+	 */
 	if ((precommitted && !vginfo->precommitted) ||
-	    (!precommitted && vginfo->precommitted))
+	    (!precommitted && vginfo->precommitted && !memlock()))
 		return NULL;
 
-	if (!(vg = import_vg_from_buffer(vginfo->vgmetadata, vginfo->fid)) ||
+	if (!(fid =  vginfo->fmt->ops->create_instance(vginfo->fmt,
+						       vginfo->vgname,
+						       vgid, NULL)))
+		return_NULL;
+
+	if (!(vg = import_vg_from_buffer(vginfo->vgmetadata, fid)) ||
 	    !vg_validate(vg)) {
 		_free_cached_vgmetadata(vginfo);
 		return_NULL;
 	}
 
-	log_debug("Using cached metadata for VG %s.", vginfo->vgname);
+	log_debug("Using cached %smetadata for VG %s.",
+		  vginfo->precommitted ? "pre-committed" : "", vginfo->vgname);
 
 	return vg;
 }
@@ -536,38 +630,62 @@ struct device *device_from_pvid(struct cmd_context *cmd, struct id *pvid)
 	return NULL;
 }
 
+static int _free_vginfo(struct lvmcache_vginfo *vginfo)
+{
+	struct lvmcache_vginfo *primary_vginfo, *vginfo2;
+	int r = 1;
+
+	_free_cached_vgmetadata(vginfo);
+
+	vginfo2 = primary_vginfo = vginfo_from_vgname(vginfo->vgname, NULL);
+
+	if (vginfo == primary_vginfo) {
+		dm_hash_remove(_vgname_hash, vginfo->vgname);
+		if (vginfo->next && !dm_hash_insert(_vgname_hash, vginfo->vgname,
+						    vginfo->next)) {
+			log_error("_vgname_hash re-insertion for %s failed",
+				  vginfo->vgname);
+			r = 0;
+		}
+	} else do
+		if (vginfo2->next == vginfo) {
+			vginfo2->next = vginfo->next;
+			break;
+		}
+ 	while ((vginfo2 = primary_vginfo->next));
+
+	if (vginfo->vgname)
+		dm_free(vginfo->vgname);
+
+	if (vginfo->creation_host)
+		dm_free(vginfo->creation_host);
+
+	if (*vginfo->vgid && _vgid_hash &&
+	    vginfo_from_vgid(vginfo->vgid) == vginfo)
+		dm_hash_remove(_vgid_hash, vginfo->vgid);
+
+	list_del(&vginfo->list);
+
+	dm_free(vginfo);
+
+	return r;
+}
+
 /*
  * vginfo must be info->vginfo unless info is NULL
  */
 static int _drop_vginfo(struct lvmcache_info *info, struct lvmcache_vginfo *vginfo)
 {
-	if (info && !list_empty(&info->list)) {
-		list_del(&info->list);
-		list_init(&info->list);
-	}
-
-	if (vginfo && !is_orphan_vg(vginfo->vgname) && list_empty(&vginfo->infos)) {
-		dm_hash_remove(_vgname_hash, vginfo->vgname);
-		if (vginfo->next) {
-			if (!dm_hash_insert(_vgname_hash, vginfo->vgname, vginfo->next)) {
-				log_error("vg hash re-insertion failed: %s",
-					  vginfo->vgname);
-				return 0;
-			}
-		}
-
-		if (vginfo->vgname)
-			dm_free(vginfo->vgname);
-		if (vginfo->creation_host)
-			dm_free(vginfo->creation_host);
-		if (*vginfo->vgid)
-			dm_hash_remove(_vgid_hash, vginfo->vgid);
-		list_del(&vginfo->list);
-		dm_free(info->vginfo);
-	}
-
 	if (info)
-		info->vginfo = NULL;
+		_vginfo_detach_info(info);
+
+	/* vginfo still referenced? */
+	if (!vginfo || is_orphan_vg(vginfo->vgname) ||
+	    !list_empty(&vginfo->infos))
+		return 1;
+
+	if (!_free_vginfo(vginfo))
+		return_0;
 
 	return 1;
 }
@@ -726,7 +844,9 @@ static int _lvmcache_update_vgname(struct lvmcache_info *info,
 				   uint32_t vgstatus, const char *creation_host,
 				   const struct format_type *fmt)
 {
-	struct lvmcache_vginfo *vginfo, *primary_vginfo;
+	struct lvmcache_vginfo *vginfo, *primary_vginfo, *orphan_vginfo;
+	struct lvmcache_info *info2, *info3;
+	char mdabuf[32];
 	// struct lvmcache_vginfo  *old_vginfo, *next;
 
 	if (!vgname || (info && info->vginfo && !strcmp(info->vginfo->vgname, vgname)))
@@ -785,7 +905,29 @@ static int _lvmcache_update_vgname(struct lvmcache_info *info,
 			return 0;
 		}
 		list_init(&vginfo->infos);
-			primary_vginfo = vginfo_from_vgname(vgname, NULL);
+
+		/*
+		 * If we're scanning and there's an invalidated entry, remove it.
+		 * Otherwise we risk bogus warnings of duplicate VGs.
+		 */
+		while ((primary_vginfo = vginfo_from_vgname(vgname, NULL)) &&
+		       _scanning_in_progress && _vginfo_is_invalid(primary_vginfo))
+			list_iterate_items_safe(info2, info3, &primary_vginfo->infos) {
+				orphan_vginfo = vginfo_from_vgname(primary_vginfo->fmt->orphan_vg_name, NULL);
+				_drop_vginfo(info2, primary_vginfo);	
+				_vginfo_attach_info(orphan_vginfo, info2);
+				if (info2->mdas.n)
+					sprintf(mdabuf, " with %u mdas",
+						list_size(&info2->mdas));
+				else
+					mdabuf[0] = '\0';
+				log_debug("lvmcache: %s: now in VG %s%s%s%s%s",
+					  dev_name(info2->dev),
+					  vgname, orphan_vginfo->vgid[0] ? " (" : "",
+					  orphan_vginfo->vgid[0] ? orphan_vginfo->vgid : "",
+					  orphan_vginfo->vgid[0] ? ")" : "", mdabuf);
+		}
+
 		if (!_insert_vginfo(vginfo, vgid, vgstatus, creation_host,
 				    primary_vginfo)) {
 			dm_free(vginfo->vgname);
@@ -802,10 +944,9 @@ static int _lvmcache_update_vgname(struct lvmcache_info *info,
 ***/
 	}
 
-	if (info) {
-		info->vginfo = vginfo;
-		list_add(&vginfo->infos, &info->list);
-	} else if (!_lvmcache_update_vgid(info, vginfo, vgid)) /* Orphans */
+	if (info)
+		_vginfo_attach_info(vginfo, info);
+	else if (!_lvmcache_update_vgid(NULL, vginfo, vgid)) /* Orphans */
 		return_0;
 
 	_update_cache_vginfo_lock_state(vginfo, vgname_is_locked(vgname));
@@ -813,13 +954,17 @@ static int _lvmcache_update_vgname(struct lvmcache_info *info,
 	/* FIXME Check consistency of list! */
 	vginfo->fmt = fmt;
 
-	if (info)
-		log_debug("lvmcache: %s: now in VG %s%s%s%s",
+	if (info) {
+		if (info->mdas.n)
+			sprintf(mdabuf, " with %u mdas", list_size(&info->mdas));
+		else
+			mdabuf[0] = '\0';
+		log_debug("lvmcache: %s: now in VG %s%s%s%s%s",
 			  dev_name(info->dev),
 			  vgname, vginfo->vgid[0] ? " (" : "",
 			  vginfo->vgid[0] ? vginfo->vgid : "",
-			  vginfo->vgid[0] ? ")" : "");
-	else
+			  vginfo->vgid[0] ? ")" : "", mdabuf);
+	} else
 		log_debug("lvmcache: initialised VG %s", vgname);
 
 	return 1;
@@ -881,6 +1026,15 @@ int lvmcache_update_vgname_and_id(struct lvmcache_info *info,
 		vgid = vgname;
 	}
 
+	/* If PV without mdas is already in a real VG, don't make it orphan */
+	if (is_orphan_vg(vgname) && info->vginfo && !list_size(&info->mdas) &&
+	    !is_orphan_vg(info->vginfo->vgname) && memlock())
+		return 1;
+
+	/* If moving PV from orphan to real VG, always mark it valid */
+	if (!is_orphan_vg(vgname))
+		info->status &= ~CACHE_INVALID;
+
 	if (!_lvmcache_update_vgname(info, vgname, vgid, vgstatus,
 				     creation_host, info->fmt) ||
 	    !_lvmcache_update_vgid(info, info->vginfo, vgid) ||
@@ -1027,8 +1181,7 @@ struct lvmcache_info *lvmcache_add(struct labeller *labeller, const char *pvid,
 
 static void _lvmcache_destroy_entry(struct lvmcache_info *info)
 {
-	if (!list_empty(&info->list))
-		list_del(&info->list);
+	_vginfo_detach_info(info);
 	strcpy(info->dev->pvid, "");
 	label_destroy(info->label);
 	dm_free(info);
@@ -1040,12 +1193,8 @@ static void _lvmcache_destroy_vgnamelist(struct lvmcache_vginfo *vginfo)
 
 	do {
 		next = vginfo->next;
-		if (vginfo->vgname)
-			dm_free(vginfo->vgname);
-		if (vginfo->creation_host)
-			dm_free(vginfo->creation_host);
-		_free_cached_vgmetadata(vginfo);
-		dm_free(vginfo);
+		if (!_free_vginfo(vginfo))
+			stack;
 	} while ((vginfo = next));
 }
 
@@ -1097,6 +1246,8 @@ void lvmcache_destroy(struct cmd_context *cmd, int retain_orphans)
 		_lock_hash = NULL;
 	}
 
+	if (!list_empty(&_vginfos))
+		log_error("Internal error: _vginfos list should be empty");
 	list_init(&_vginfos);
 
 	if (retain_orphans)

lib/cache/lvmcache.h

@@ -45,7 +45,6 @@ struct lvmcache_vginfo {
 	struct lvmcache_vginfo *next; /* Another VG with same name? */
 	char *creation_host;
 	char *vgmetadata;	/* Copy of VG metadata as format_text string */
-	struct format_instance *fid;	/* fid associated with vgmetadata */
 	unsigned precommitted;	/* Is vgmetadata live or precommitted? */
 };
 
@@ -82,7 +81,6 @@ int lvmcache_update_vgname_and_id(struct lvmcache_info *info,
 				  const char *vgname, const char *vgid,
 				  uint32_t vgstatus, const char *hostname);
 int lvmcache_update_vg(struct volume_group *vg, unsigned precommitted);
-void lvmcache_drop_vg(const char *vgname);
 
 void lvmcache_lock_vgname(const char *vgname, int read_only);
 void lvmcache_unlock_vgname(const char *vgname);
@@ -112,5 +110,6 @@ struct list *lvmcache_get_pvids(struct cmd_context *cmd, const char *vgname,
 
 /* Returns cached volume group metadata. */
 struct volume_group *lvmcache_get_vg(const char *vgid, unsigned precommitted);
+void lvmcache_drop_metadata(const char *vgname);
 
 #endif

lib/commands/toolcontext.c

@@ -755,6 +755,11 @@ static int _init_segtypes(struct cmd_context *cmd)
 	segtype->library = NULL;
 	list_add(&cmd->segtypes, &segtype->list);
 
+	if (!(segtype = init_free_segtype(cmd)))
+		return 0;
+	segtype->library = NULL;
+	list_add(&cmd->segtypes, &segtype->list);
+
 #ifdef SNAPSHOT_INTERNAL
 	if (!(segtype = init_snapshot_segtype(cmd)))
 		return 0;

lib/config/config.c

@@ -798,11 +798,9 @@ static void _get_token(struct parser *p, int tok_prev)
 static void _eat_space(struct parser *p)
 {
 	while ((p->tb != p->fe) && (*p->tb)) {
-		if (*p->te == '#') {
+		if (*p->te == '#')
 			while ((p->te != p->fe) && (*p->te) && (*p->te != '\n'))
 				p->te++;
-			p->line++;
-		}
 
 		else if (isspace(*p->te)) {
 			while ((p->te != p->fe) && (*p->te) && isspace(*p->te)) {
@@ -1013,7 +1011,7 @@ float find_config_tree_float(struct cmd_context *cmd, const char *path,
 	return _find_config_float(cmd->cft_override ? cmd->cft_override->root : NULL, cmd->cft->root, path, fail);
 }
 
-static int _str_in_array(const char *str, const char *values[])
+static int _str_in_array(const char *str, const char * const values[])
 {
 	int i;
 
@@ -1026,9 +1024,8 @@ static int _str_in_array(const char *str, const char *values[])
 
 static int _str_to_bool(const char *str, int fail)
 {
-	static const char *_true_values[] = { "y", "yes", "on", "true", NULL };
-	static const char *_false_values[] =
-	    { "n", "no", "off", "false", NULL };
+	const char * const _true_values[]  = { "y", "yes", "on", "true", NULL };
+	const char * const _false_values[] = { "n", "no", "off", "false", NULL };
 
 	if (_str_in_array(str, _true_values))
 		return 1;
@@ -1278,7 +1275,7 @@ unsigned maybe_config_section(const char *str, unsigned len)
 	begin_count = _count_tokens(str, len, TOK_SECTION_B);
 	end_count = _count_tokens(str, len, TOK_SECTION_E);
 
-	if (begin_count && end_count && (begin_count - end_count == 0))
+	if (begin_count && end_count && (begin_count == end_count))
 		return 1;
 	else
 		return 0;

lib/config/defaults.h

@@ -101,7 +101,10 @@
 
 #define DEFAULT_REP_ALIGNED 1
 #define DEFAULT_REP_BUFFERED 1
+#define DEFAULT_REP_COLUMNS_AS_ROWS 0
 #define DEFAULT_REP_HEADINGS 1
+#define DEFAULT_REP_PREFIXES 0
+#define DEFAULT_REP_QUOTED 1
 #define DEFAULT_REP_SEPARATOR " "
 
 #define DEFAULT_LVS_COLS "lv_name,vg_name,lv_attr,lv_size,origin,snap_percent,move_pv,mirror_log,copy_percent,convert_lv"

lib/datastruct/list.c

@@ -65,6 +65,15 @@ void list_del(struct list *elem)
 	elem->p->n = elem->n;
 }
 
+/*
+ * Remove an element from existing list and insert before 'head'.
+ */
+void list_move(struct list *head, struct list *elem)
+{
+        list_del(elem);
+        list_add(head, elem);
+}
+
 /*
  * Is the list empty?
  */

lib/datastruct/list.h

@@ -55,14 +55,9 @@ void list_add_h(struct list *head, struct list *elem);
 void list_del(struct list *elem);
 
 /*
- * Move an element from an existing list to list 'head'.
- * Insert the element before 'head'.
+ * Remove an element from existing list and insert before 'head'.
  */
-static inline void list_move(struct list *item, struct list *head)
-{
-        list_del(item);
-        list_add(head, item);
-}
+void list_move(struct list *head, struct list *elem);
 
 /*
  * Is the list empty?

lib/datastruct/lvm-types.h

@@ -24,6 +24,7 @@
 /* Define some portable printing types */
 #define PRIsize_t "zu"
 #define PRIptrdiff_t "td"
+#define PRIpid_t PRId32
 
 struct str_list {
 	struct list list;

lib/device/dev-cache.c

@@ -687,7 +687,8 @@ const char *dev_name_confirmed(struct device *dev, int quiet)
 			continue;
 		}
 
-		log_error("Aborting - please provide new pathname for what "
+		/* Scanning issues this inappropriately sometimes. */
+		log_debug("Aborting - please provide new pathname for what "
 			  "used to be %s", name);
 		return NULL;
 	}

lib/device/dev-md.c

@@ -48,18 +48,26 @@ static int _dev_has_md_magic(struct device *dev, uint64_t sb_offset)
  * 1: At start of device
  * 2: 4K from start of device.
  */
-static uint64_t _v1_sb_offset(uint64_t size, unsigned minor_version)
+typedef enum {
+	MD_MINOR_VERSION_MIN,
+	MD_MINOR_V0 = MD_MINOR_VERSION_MIN,
+	MD_MINOR_V1,
+	MD_MINOR_V2,
+	MD_MINOR_VERSION_MAX = MD_MINOR_V2
+} md_minor_version_t;
+
+static uint64_t _v1_sb_offset(uint64_t size, md_minor_version_t minor_version)
 {
-	uint64_t sb_offset;
+	uint64_t uninitialized_var(sb_offset);
 
 	switch(minor_version) {
-	case 0:
+	case MD_MINOR_V0:
 		sb_offset = (size - 8 * 2) & ~(4 * 2 - 1ULL);
 		break;
-	case 1:
+	case MD_MINOR_V1:
 		sb_offset = 0;
 		break;
-	case 2:
+	case MD_MINOR_V2:
 		sb_offset = 4 * 2;
 		break;
 	}
@@ -74,7 +82,7 @@ static uint64_t _v1_sb_offset(uint64_t size, unsigned minor_version)
 int dev_is_md(struct device *dev, uint64_t *sb)
 {
 	int ret = 1;
-	unsigned minor = 0;
+	md_minor_version_t minor;
 	uint64_t size, sb_offset;
 
 	if (!dev_get_size(dev, &size)) {
@@ -96,12 +104,13 @@ int dev_is_md(struct device *dev, uint64_t *sb)
 	if (_dev_has_md_magic(dev, sb_offset))
 		goto out;
 
+	minor = MD_MINOR_VERSION_MIN;
 	/* Version 1, try v1.0 -> v1.2 */
 	do {
 		sb_offset = _v1_sb_offset(size, minor);
 		if (_dev_has_md_magic(dev, sb_offset))
 			goto out;
-	} while (++minor <= 2);
+	} while (++minor <= MD_MINOR_VERSION_MAX);
 
 	ret = 0;
 

lib/device/device.h

@@ -94,11 +94,6 @@ const char *dev_name_confirmed(struct device *dev, int quiet);
 /* Does device contain md superblock?  If so, where? */
 int dev_is_md(struct device *dev, uint64_t *sb);
 
-/* FIXME Check partition type if appropriate */
-
-#define is_lvm_partition(a) 1
-/* int is_lvm_partition(const char *name); */
-
 int is_partitioned_dev(struct device *dev);
 
 #endif

lib/display/display.c

@@ -24,9 +24,9 @@
 
 typedef enum { SIZE_LONG = 0, SIZE_SHORT = 1, SIZE_UNIT = 2 } size_len_t;
 
-static struct {
+static const struct {
 	alloc_policy_t alloc;
-	const char *str;
+	const char str[12]; /* must be changed when size extends 11 chars */
 } _policies[] = {
 	{
 	ALLOC_CONTIGUOUS, "contiguous"}, {
@@ -36,7 +36,7 @@ static struct {
 	ALLOC_INHERIT, "inherit"}
 };
 
-static int _num_policies = sizeof(_policies) / sizeof(*_policies);
+static const int _num_policies = sizeof(_policies) / sizeof(*_policies);
 
 uint64_t units_to_bytes(const char *units, char *unit_type)
 {
@@ -155,7 +155,7 @@ static const char *_display_size(const struct cmd_context *cmd,
 	uint64_t byte = UINT64_C(0);
 	uint64_t units = UINT64_C(1024);
 	char *size_buf = NULL;
-	const char *size_str[][3] = {
+	const char * const size_str[][3] = {
 		{" Exabyte", " EB", "E"},
 		{" Petabyte", " PB", "P"},
 		{" Terabyte", " TB", "T"},
@@ -670,7 +670,7 @@ void vgdisplay_colons(const struct volume_group *vg)
 		active_pvs = vg->pv_count;
 
 	list_iterate_items(lvl, &vg->lvs)
-		if (lv_is_visible(lvl->lv) || (lvl->lv->status & SNAPSHOT))
+		if (lv_is_visible(lvl->lv) && !(lvl->lv->status & SNAPSHOT))
 			lv_count++;
 
 	switch (vg->status & (LVM_READ | LVM_WRITE)) {

lib/format1/disk-rep.c

@@ -356,7 +356,7 @@ static struct disk_list *__read_disk(const struct format_type *fmt,
 	list_init(&dl->lvds);
 
 	if (!_read_pvd(dev, &dl->pvd))
-		goto_bad;
+		goto bad;
 
 	/*
 	 * is it an orphan ?

lib/format1/import-export.c

@@ -284,7 +284,7 @@ int export_vg(struct vg_disk *vgd, struct volume_group *vg)
 		vgd->vg_status |= VG_EXTENDABLE;
 
 	vgd->lv_max = vg->max_lv;
-	vgd->lv_cur = vg->lv_count;
+	vgd->lv_cur = vg->lv_count + vg->snapshot_count;
 
 	vgd->pv_max = vg->max_pv;
 	vgd->pv_cur = vg->pv_count;

lib/format_pool/import_export.c

@@ -36,6 +36,7 @@ int import_pool_vg(struct volume_group *vg, struct dm_pool *mem, struct list *pl
 		vg->extent_count +=
 		    ((pl->pd.pl_blocks) / POOL_PE_SIZE);
 
+		vg->free_count = vg->extent_count;
 		vg->pv_count++;
 
 		if (vg->name)
@@ -45,7 +46,6 @@ int import_pool_vg(struct volume_group *vg, struct dm_pool *mem, struct list *pl
 		get_pool_vg_uuid(&vg->id, &pl->pd);
 		vg->extent_size = POOL_PE_SIZE;
 		vg->status |= LVM_READ | LVM_WRITE | CLUSTERED | SHARED;
-		vg->free_count = vg->extent_count;
 		vg->max_lv = 1;
 		vg->max_pv = POOL_MAX_DEVICES;
 		vg->alloc = ALLOC_NORMAL;
@@ -165,7 +165,8 @@ int import_pool_pv(const struct format_type *fmt, struct dm_pool *mem,
 		log_error("Unable to duplicate vg_name string");
 		return 0;
 	}
-	memcpy(&pv->vgid, &vg->id, sizeof(vg->id));
+	if (vg != NULL)
+		memcpy(&pv->vgid, &vg->id, sizeof(vg->id));
 	pv->status = 0;
 	pv->size = pd->pl_blocks;
 	pv->pe_size = POOL_PE_SIZE;

lib/format_text/export.c

@@ -321,6 +321,20 @@ static int _print_header(struct formatter *f,
 	return 1;
 }
 
+static int _print_flag_config(struct formatter *f, int status, int type)
+{
+	char buffer[4096];
+	if (!print_flags(status, type | STATUS_FLAG, buffer, sizeof(buffer)))
+		return_0;
+	outf(f, "status = %s", buffer);
+
+	if (!print_flags(status, type, buffer, sizeof(buffer)))
+		return_0;
+	outf(f, "flags = %s", buffer);
+
+	return 1;
+}
+
 static int _print_vg(struct formatter *f, struct volume_group *vg)
 {
 	char buffer[4096];
@@ -332,9 +346,8 @@ static int _print_vg(struct formatter *f, struct volume_group *vg)
 
 	outf(f, "seqno = %u", vg->seqno);
 
-	if (!print_flags(vg->status, VG_FLAGS, buffer, sizeof(buffer)))
+	if (!_print_flag_config(f, vg->status, VG_FLAGS))
 		return_0;
-	outf(f, "status = %s", buffer);
 
 	if (!list_empty(&vg->tags)) {
 		if (!print_tags(&vg->tags, buffer, sizeof(buffer)))
@@ -408,9 +421,8 @@ static int _print_pvs(struct formatter *f, struct volume_group *vg)
 			return_0;
 		outnl(f);
 
-		if (!print_flags(pv->status, PV_FLAGS, buffer, sizeof(buffer)))
+		if (!_print_flag_config(f, pv->status, PV_FLAGS))
 			return_0;
-		outf(f, "status = %s", buffer);
 
 		if (!list_empty(&pv->tags)) {
 			if (!print_tags(&pv->tags, buffer, sizeof(buffer)))
@@ -520,9 +532,8 @@ static int _print_lv(struct formatter *f, struct logical_volume *lv)
 
 	outf(f, "id = \"%s\"", buffer);
 
-	if (!print_flags(lv->status, LV_FLAGS, buffer, sizeof(buffer)))
+	if (!_print_flag_config(f, lv->status, LV_FLAGS))
 		return_0;
-	outf(f, "status = %s", buffer);
 
 	if (!list_empty(&lv->tags)) {
 		if (!print_tags(&lv->tags, buffer, sizeof(buffer)))

lib/format_text/flags.c

@@ -25,48 +25,49 @@
 struct flag {
 	const int mask;
 	const char *description;
+	int kind;
 };
 
 static struct flag _vg_flags[] = {
-	{EXPORTED_VG, "EXPORTED"},
-	{RESIZEABLE_VG, "RESIZEABLE"},
-	{PARTIAL_VG, "PARTIAL"},
-	{PVMOVE, "PVMOVE"},
-	{LVM_READ, "READ"},
-	{LVM_WRITE, "WRITE"},
-	{CLUSTERED, "CLUSTERED"},
-	{SHARED, "SHARED"},
-	{PRECOMMITTED, NULL},
-	{0, NULL}
+	{EXPORTED_VG, "EXPORTED", STATUS_FLAG},
+	{RESIZEABLE_VG, "RESIZEABLE", STATUS_FLAG},
+	{PARTIAL_VG, "PARTIAL", STATUS_FLAG},
+	{PVMOVE, "PVMOVE", STATUS_FLAG},
+	{LVM_READ, "READ", STATUS_FLAG},
+	{LVM_WRITE, "WRITE", STATUS_FLAG},
+	{CLUSTERED, "CLUSTERED", STATUS_FLAG},
+	{SHARED, "SHARED", STATUS_FLAG},
+	{PRECOMMITTED, NULL, 0},
+	{0, NULL, 0}
 };
 
 static struct flag _pv_flags[] = {
-	{ALLOCATABLE_PV, "ALLOCATABLE"},
-	{EXPORTED_VG, "EXPORTED"},
-	{0, NULL}
+	{ALLOCATABLE_PV, "ALLOCATABLE", STATUS_FLAG},
+	{EXPORTED_VG, "EXPORTED", STATUS_FLAG},
+	{0, NULL, 0}
 };
 
 static struct flag _lv_flags[] = {
-	{LVM_READ, "READ"},
-	{LVM_WRITE, "WRITE"},
-	{FIXED_MINOR, "FIXED_MINOR"},
-	{VISIBLE_LV, "VISIBLE"},
-	{PVMOVE, "PVMOVE"},
-	{LOCKED, "LOCKED"},
-	{MIRROR_NOTSYNCED, "NOTSYNCED"},
-	{MIRROR_IMAGE, NULL},
-	{MIRROR_LOG, NULL},
-	{MIRRORED, NULL},
-	{VIRTUAL, NULL},
-	{SNAPSHOT, NULL},
-	{ACTIVATE_EXCL, NULL},
-	{CONVERTING, NULL},
-	{0, NULL}
+	{LVM_READ, "READ", STATUS_FLAG},
+	{LVM_WRITE, "WRITE", STATUS_FLAG},
+	{FIXED_MINOR, "FIXED_MINOR", STATUS_FLAG},
+	{VISIBLE_LV, "VISIBLE", STATUS_FLAG},
+	{PVMOVE, "PVMOVE", STATUS_FLAG},
+	{LOCKED, "LOCKED", STATUS_FLAG},
+	{MIRROR_NOTSYNCED, "NOTSYNCED", STATUS_FLAG},
+	{MIRROR_IMAGE, NULL, 0},
+	{MIRROR_LOG, NULL, 0},
+	{MIRRORED, NULL, 0},
+	{VIRTUAL, NULL, 0},
+	{SNAPSHOT, NULL, 0},
+	{ACTIVATE_EXCL, NULL, 0},
+	{CONVERTING, NULL, 0},
+	{0, NULL, 0}
 };
 
 static struct flag *_get_flags(int type)
 {
-	switch (type) {
+	switch (type & ~STATUS_FLAG) {
 	case VG_FLAGS:
 		return _vg_flags;
 
@@ -101,6 +102,9 @@ int print_flags(uint32_t status, int type, char *buffer, size_t size)
 		if (status & flags[f].mask) {
 			status &= ~flags[f].mask;
 
+			if ((type & STATUS_FLAG) != flags[f].kind)
+				continue;
+
 			/* Internal-only flag? */
 			if (!flags[f].description)
 				continue;
@@ -151,7 +155,7 @@ int read_flags(uint32_t *status, int type, struct config_value *cv)
 				break;
 			}
 
-		if (!flags[f].description) {
+		if (!flags[f].description && (type & STATUS_FLAG)) {
 			log_err("Unknown status flag '%s'.", cv->v.str);
 			return 0;
 		}
@@ -160,6 +164,6 @@ int read_flags(uint32_t *status, int type, struct config_value *cv)
 	}
 
       out:
-	*status = s;
+	*status |= s;
 	return 1;
 }

lib/format_text/format-text.c

@@ -139,7 +139,7 @@ static int _pv_analyze_mda_raw (const struct format_type * fmt,
 	struct raw_locn *rlocn;
 	uint64_t area_start;
 	uint64_t area_size;
-	uint64_t prev_sector;
+	uint64_t prev_sector, prev_sector2;
 	uint64_t latest_mrec_offset;
 	int i;
 	uint64_t offset;
@@ -184,8 +184,11 @@ static int _pv_analyze_mda_raw (const struct format_type * fmt,
 	offset2 = size2 = 0;
 	i = 0;
 	while (prev_sector != latest_mrec_offset) {
+		prev_sector2 = prev_sector;
 		prev_sector = _get_prev_sector_circular(area_start, area_size,
 							prev_sector);
+		if (prev_sector > prev_sector2)
+			goto_out;
 		/*
 		 * FIXME: for some reason, the whole metadata region from
 		 * area->start to area->start+area->size is not used.
@@ -343,10 +346,8 @@ static int _raw_write_mda_header(const struct format_type *fmt,
 					     MDA_HEADER_SIZE -
 					     sizeof(mdah->checksum_xl)));
 
-	if (!dev_write(dev, start_byte, MDA_HEADER_SIZE, mdah)) {
-		dm_pool_free(fmt->cmd->mem, mdah);
+	if (!dev_write(dev, start_byte, MDA_HEADER_SIZE, mdah))
 		return_0;
-	}
 
 	return 1;
 }
@@ -667,6 +668,7 @@ static int _vg_commit_raw_rlocn(struct format_instance *fid,
 
 	if (!_raw_write_mda_header(fid->fmt, mdac->area.dev, mdac->area.start,
 				   mdah)) {
+		dm_pool_free(fid->fmt->cmd->mem, mdah);
 		log_error("Failed to write metadata area header");
 		goto out;
 	}
@@ -749,6 +751,7 @@ static int _vg_remove_raw(struct format_instance *fid, struct volume_group *vg,
 
 	if (!_raw_write_mda_header(fid->fmt, mdac->area.dev, mdac->area.start,
 				   mdah)) {
+		dm_pool_free(fid->fmt->cmd->mem, mdah);
 		log_error("Failed to write metadata area header");
 		goto out;
 	}
@@ -1363,7 +1366,10 @@ static int _text_pv_write(const struct format_type *fmt, struct physical_volume
 		}
 	}
 
-	label_write(pv->dev, label);
+	if (!label_write(pv->dev, label)) {
+		dev_close(pv->dev);
+		return_0;
+	}
 
 	if (!dev_close(pv->dev))
 		return_0;
@@ -1393,43 +1399,33 @@ static int _add_raw(struct list *raw_list, struct device_area *dev_area)
 	return 1;
 }
 
-static int _text_pv_read(const struct format_type *fmt, const char *pv_name,
-		    struct physical_volume *pv, struct list *mdas)
+static int _get_pv_if_in_vg(struct lvmcache_info *info,
+			    struct physical_volume *pv)
 {
-	struct label *label;
-	struct device *dev;
-	struct lvmcache_info *info;
-	struct metadata_area *mda, *mda_new;
-	struct mda_context *mdac, *mdac_new;
-	struct data_area_list *da;
-
-	if (!(dev = dev_cache_get(pv_name, fmt->cmd->filter)))
-		return_0;
-
-	/* FIXME Optimise out repeated reading when cache lock held */
-	if (!(label_read(dev, &label, UINT64_C(0))))
-		return_0;
-	info = (struct lvmcache_info *) label->info;
-
-	/* Have we already cached vgname? */
 	if (info->vginfo && info->vginfo->vgname &&
 	    !is_orphan_vg(info->vginfo->vgname) &&
 	    get_pv_from_vg_by_id(info->fmt, info->vginfo->vgname,
-				 info->vginfo->vgid, info->dev->pvid, pv)) {
+				 info->vginfo->vgid, info->dev->pvid, pv))
+		return 1;
+
+	return 0;
+}
+
+static int _populate_pv_fields(struct lvmcache_info *info,
+			       struct physical_volume *pv)
+{
+	struct data_area_list *da;
+
+	/* Have we already cached vgname? */
+	if (_get_pv_if_in_vg(info, pv))
 		return 1;
-	}
 
 	/* Perform full scan (just the first time) and try again */
 	if (!memlock() && !full_scan_done()) {
-		lvmcache_label_scan(fmt->cmd, 2);
+		lvmcache_label_scan(info->fmt->cmd, 2);
 
-		if (info->vginfo && info->vginfo->vgname &&
-		    !is_orphan_vg(info->vginfo->vgname) &&
-		    get_pv_from_vg_by_id(info->fmt, info->vginfo->vgname,
-					 info->vginfo->vgid,
-					 info->dev->pvid, pv)) {
+		if (_get_pv_if_in_vg(info, pv))
 			return 1;
-		}
 	}
 
 	/* Orphan */
@@ -1442,13 +1438,35 @@ static int _text_pv_read(const struct format_type *fmt, const char *pv_name,
 	/* Currently only support exactly one data area */
 	if (list_size(&info->das) != 1) {
 		log_error("Must be exactly one data area (found %d) on PV %s",
-			  list_size(&info->das), dev_name(dev));
+			  list_size(&info->das), dev_name(info->dev));
 		return 0;
 	}
 
 	list_iterate_items(da, &info->das)
 		pv->pe_start = da->disk_locn.offset >> SECTOR_SHIFT;
 
+	return 1;
+}
+
+static int _text_pv_read(const struct format_type *fmt, const char *pv_name,
+		    struct physical_volume *pv, struct list *mdas)
+{
+	struct label *label;
+	struct device *dev;
+	struct lvmcache_info *info;
+	struct metadata_area *mda, *mda_new;
+	struct mda_context *mdac, *mdac_new;
+
+	if (!(dev = dev_cache_get(pv_name, fmt->cmd->filter)))
+		return_0;
+
+	if (!(label_read(dev, &label, UINT64_C(0))))
+		return_0;
+	info = (struct lvmcache_info *) label->info;
+
+	if (!_populate_pv_fields(info, pv))
+		return 0;
+
 	if (!mdas)
 		return 1;
 

lib/format_text/import-export.h

@@ -36,9 +36,11 @@
  * common code for reading and writing them.
  */
 enum {
+	COMPATIBLE_FLAG = 0x0,
 	VG_FLAGS,
 	PV_FLAGS,
-	LV_FLAGS
+	LV_FLAGS,
+	STATUS_FLAG = 0x8,
 };
 
 struct text_vg_version_ops {

lib/format_text/import_vsn1.c

@@ -125,6 +125,31 @@ static int _read_id(struct id *id, struct config_node *cn, const char *path)
 	return 1;
 }
 
+static int _read_flag_config(struct config_node *n, uint32_t *status, int type)
+{
+	struct config_node *cn;
+	*status = 0;
+
+	if (!(cn = find_config_node(n, "status"))) {
+		log_error("Could not find status flags.");
+		return 0;
+	}
+
+	if (!(read_flags(status, type | STATUS_FLAG, cn->v))) {
+		log_error("Could not read status flags.");
+		return 0;
+	}
+
+	if ((cn = find_config_node(n, "flags"))) {
+		if (!(read_flags(status, type, cn->v))) {
+			log_error("Could not read flags.");
+			return 0;
+		}
+	}
+
+	return 1;
+}
+
 static int _read_pv(struct format_instance *fid, struct dm_pool *mem,
 		    struct volume_group *vg, struct config_node *pvn,
 		    struct config_node *vgn __attribute((unused)),
@@ -181,12 +206,7 @@ static int _read_pv(struct format_instance *fid, struct dm_pool *mem,
 
 	memcpy(&pv->vgid, &vg->id, sizeof(vg->id));
 
-	if (!(cn = find_config_node(pvn, "status"))) {
-		log_error("Couldn't find status flags for physical volume.");
-		return 0;
-	}
-
-	if (!(read_flags(&pv->status, PV_FLAGS, cn->v))) {
+	if (!_read_flag_config(pvn, &pv->status, PV_FLAGS)) {
 		log_error("Couldn't read status flags for physical volume.");
 		return 0;
 	}
@@ -493,13 +513,9 @@ static int _read_lvnames(struct format_instance *fid __attribute((unused)),
 		return 0;
 	}
 
-	if (!(cn = find_config_node(lvn, "status"))) {
-		log_error("Couldn't find status flags for logical volume.");
-		return 0;
-	}
-
-	if (!(read_flags(&lv->status, LV_FLAGS, cn->v))) {
-		log_error("Couldn't read status flags for logical volume.");
+	if (!_read_flag_config(lvn, &lv->status, LV_FLAGS)) {
+		log_error("Couldn't read status flags for logical volume %s.",
+			  lv->name);
 		return 0;
 	}
 
@@ -692,14 +708,8 @@ static struct volume_group *_read_vg(struct format_instance *fid,
 		goto bad;
 	}
 
-	if (!(cn = find_config_node(vgn, "status"))) {
-		log_error("Couldn't find status flags for volume group %s.",
-			  vg->name);
-		goto bad;
-	}
-
-	if (!(read_flags(&vg->status, VG_FLAGS, cn->v))) {
-		log_error("Couldn't read status flags for volume group %s.",
+	if (!_read_flag_config(vgn, &vg->status, VG_FLAGS)) {
+		log_error("Error reading flags of volume group %s.",
 			  vg->name);
 		goto bad;
 	}
@@ -826,7 +836,7 @@ static const char *_read_vgname(const struct format_type *fmt,
 				struct config_tree *cft, struct id *vgid,
 				uint32_t *vgstatus, char **creation_host)
 {
-	struct config_node *vgn, *cn;
+	struct config_node *vgn;
 	struct dm_pool *mem = fmt->cmd->mem;
 	char *vgname;
 	int old_suppress;
@@ -855,18 +865,12 @@ static const char *_read_vgname(const struct format_type *fmt,
 		return 0;
 	}
 
-	if (!(cn = find_config_node(vgn, "status"))) {
+	if (!_read_flag_config(vgn, vgstatus, VG_FLAGS)) {
 		log_error("Couldn't find status flags for volume group %s.",
 			  vgname);
 		return 0;
 	}
 
-	if (!(read_flags(vgstatus, VG_FLAGS, cn->v))) {
-		log_error("Couldn't read status flags for volume group %s.",
-			  vgname);
-		return 0;
-	}
-
 	return vgname;
 }
 

lib/freeseg/freeseg.c

@@ -0,0 +1,60 @@
+/*
+ * Copyright (C) 2004-2007 Red Hat, Inc. All rights reserved.
+ *
+ * This file is part of LVM2.
+ *
+ * This copyrighted material is made available to anyone wishing to use,
+ * modify, copy, or redistribute it subject to the terms and conditions
+ * of the GNU Lesser General Public License v.2.1.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include "lib.h"
+#include "toolcontext.h"
+#include "segtype.h"
+#include "display.h"
+#include "text_export.h"
+#include "text_import.h"
+#include "config.h"
+#include "str_list.h"
+#include "targets.h"
+#include "lvm-string.h"
+#include "activate.h"
+#include "str_list.h"
+#include "metadata.h"
+
+static const char *_freeseg_name(const struct lv_segment *seg)
+{
+	return seg->segtype->name;
+}
+
+static void _freeseg_destroy(const struct segment_type *segtype)
+{
+	dm_free((void *)segtype);
+}
+
+static struct segtype_handler _freeseg_ops = {
+	.name = _freeseg_name,
+	.destroy = _freeseg_destroy,
+};
+
+struct segment_type *init_free_segtype(struct cmd_context *cmd)
+{
+	struct segment_type *segtype = dm_malloc(sizeof(*segtype));
+
+	if (!segtype)
+		return_NULL;
+
+	segtype->cmd = cmd;
+	segtype->ops = &_freeseg_ops;
+	segtype->name = "free";
+	segtype->private = NULL;
+	segtype->flags = SEG_VIRTUAL | SEG_CANNOT_BE_ZEROED;
+
+	log_very_verbose("Initialised segtype: %s", segtype->name);
+
+	return segtype;
+}

lib/label/label.c

@@ -284,7 +284,7 @@ int label_read(struct device *dev, struct label **result,
 	}
 
 	if (!(l = _find_labeller(dev, buf, &sector, scan_sector)))
-		goto_out;
+		goto out;
 
 	if ((r = (l->ops->read)(l, dev, buf, result)) && result && *result)
 		(*result)->sector = sector;
@@ -361,7 +361,7 @@ int label_verify(struct device *dev)
 	}
 
 	if (!(l = _find_labeller(dev, buf, &sector, UINT64_C(0))))
-		goto_out;
+		goto out;
 
 	r = l->ops->verify ? l->ops->verify(l, buf, sector) : 1;
 

lib/locking/cluster_locking.c

@@ -387,13 +387,12 @@ int lock_resource(struct cmd_context *cmd, const char *resource, uint32_t flags)
 	switch (flags & LCK_SCOPE_MASK) {
 	case LCK_VG:
 		/* If the VG name is empty then lock the unused PVs */
-		if (!*resource)	/* FIXME Deprecated */
-			dm_snprintf(lockname, sizeof(lockname), "P_orphans");
-		else if (*resource == '#')
-			dm_snprintf(lockname, sizeof(lockname), "P_%s", resource + 1);
+		if (*resource == '#' || (flags & LCK_CACHE))
+			dm_snprintf(lockname, sizeof(lockname), "P_%s",
+				    resource);
 		else
 			dm_snprintf(lockname, sizeof(lockname), "V_%s",
-				     resource);
+				    resource);
 
 		lock_scope = "VG";
 		cluster_cmd = CLVMD_CMD_LOCK_VG;
@@ -438,8 +437,10 @@ int lock_resource(struct cmd_context *cmd, const char *resource, uint32_t flags)
 		return 0;
 	}
 
-	/* If we are unlocking a VG, then trigger remote metadata backups */
-	if (cluster_cmd == CLVMD_CMD_LOCK_VG && ((flags & LCK_TYPE_MASK) == LCK_UNLOCK)) {
+	/* If we are unlocking a clustered VG, then trigger remote metadata backups */
+	if (cluster_cmd == CLVMD_CMD_LOCK_VG &&
+	    ((flags & LCK_TYPE_MASK) == LCK_UNLOCK) &&
+	    (flags & LCK_CLUSTER_VG)) {
 		log_very_verbose("Requesing backup of VG metadata for %s", resource);
 		_lock_for_cluster(CLVMD_CMD_VG_BACKUP, LCK_CLUSTER_VG, resource);
 	}

lib/locking/file_locking.c

@@ -21,6 +21,7 @@
 #include "defaults.h"
 #include "lvm-file.h"
 #include "lvm-string.h"
+#include "lvmcache.h"
 
 #include <limits.h>
 #include <unistd.h>
@@ -209,10 +210,15 @@ static int _file_lock_resource(struct cmd_context *cmd, const char *resource,
 
 	switch (flags & LCK_SCOPE_MASK) {
 	case LCK_VG:
-		if (!*resource)	/* FIXME Deprecated */
-			dm_snprintf(lockfile, sizeof(lockfile),
-				     "%s/P_orphans", _lock_dir);
-		else if (*resource == '#')
+		/* Skip cache refresh for VG_GLOBAL - the caller handles it */
+		if (strcmp(resource, VG_GLOBAL))
+			lvmcache_drop_metadata(resource);
+
+		/* LCK_CACHE does not require a real lock */
+		if (flags & LCK_CACHE)
+			break;
+
+		if (*resource == '#')
 			dm_snprintf(lockfile, sizeof(lockfile),
 				     "%s/P_%s", _lock_dir, resource + 1);
 		else

lib/locking/locking.c

@@ -292,6 +292,10 @@ int check_lvm1_vg_inactive(struct cmd_context *cmd, const char *vgname)
 	if (is_orphan_vg(vgname))
 		return 1;
 
+	/* LVM1 is only present in 2.4 kernels. */
+	if (strncmp(cmd->kernel_vsn, "2.4.", 4))
+		return 1;
+
 	if (dm_snprintf(path, sizeof(path), "%s/lvm/VGs/%s", cmd->proc_dir,
 			 vgname) < 0) {
 		log_error("LVM1 proc VG pathname too long for %s", vgname);
@@ -323,8 +327,19 @@ static int _lock_vol(struct cmd_context *cmd, const char *resource, uint32_t fla
 
 	assert(resource);
 
+	if (!*resource) {
+		log_error("Internal error: Use of P_orphans is deprecated.");
+		return 0;
+	}
+
+	if (*resource == '#' && (flags & LCK_CACHE)) {
+		log_error("Internal error: P_%s referenced", resource);
+		return 0;
+	}
+
 	if ((ret = _locking.lock_resource(cmd, resource, flags))) {
-		if ((flags & LCK_SCOPE_MASK) == LCK_VG) {
+		if ((flags & LCK_SCOPE_MASK) == LCK_VG &&
+		    !(flags & LCK_CACHE)) {
 			if ((flags & LCK_TYPE_MASK) == LCK_UNLOCK)
 				lvmcache_unlock_vgname(resource);
 			else
@@ -369,8 +384,12 @@ int lock_vol(struct cmd_context *cmd, const char *vol, uint32_t flags)
 	if (!_lock_vol(cmd, resource, flags))
 		return 0;
 
-	/* Perform immediate unlock unless LCK_HOLD set */
-	if (!(flags & LCK_HOLD) && ((flags & LCK_TYPE_MASK) != LCK_UNLOCK)) {
+	/*
+	 * If a real lock was acquired (i.e. not LCK_CACHE),
+	 * perform an immediate unlock unless LCK_HOLD was requested.
+	 */
+	if (!(flags & LCK_CACHE) && !(flags & LCK_HOLD) &&
+	    ((flags & LCK_TYPE_MASK) != LCK_UNLOCK)) {
 		if (!_lock_vol(cmd, resource,
 			       (flags & ~LCK_TYPE_MASK) | LCK_UNLOCK))
 			return 0;

lib/locking/locking.h

@@ -27,9 +27,11 @@ int locking_is_clustered(void);
 
 /*
  * LCK_VG:
- *   Lock/unlock on-disk volume group data
- *   Use VG_ORPHANS to lock orphan PVs
- *   char *vol holds volume group name
+ *   Lock/unlock on-disk volume group data.
+ *   Use VG_ORPHANS to lock all orphan PVs.
+ *   Use VG_GLOBAL as a global lock and to wipe the internal cache.
+ *   char *vol holds volume group name.
+ *   Set the LCK_CACHE flag to invalidate 'vol' in the internal cache.
  *
  * LCK_LV:
  *   Lock/unlock an individual logical volume
@@ -37,6 +39,13 @@ int locking_is_clustered(void);
  */
 int lock_vol(struct cmd_context *cmd, const char *vol, uint32_t flags);
 
+/*
+ * Internal locking representation.
+ *   LCK_VG: Uses prefix V_ unless the vol begins with # (i.e. #global or #orphans)
+ *           or the LCK_CACHE flag is set when it uses the prefix P_.
+ * If LCK_CACHE is set, we do not take out a real lock.
+ */
+
 /*
  * Does the LVM1 driver have this VG active?
  */
@@ -69,6 +78,7 @@ int check_lvm1_vg_inactive(struct cmd_context *cmd, const char *vgname);
 #define LCK_HOLD	0x00000020U	/* Hold lock when lock_vol returns? */
 #define LCK_LOCAL	0x00000040U	/* Don't propagate to other nodes */
 #define LCK_CLUSTER_VG	0x00000080U	/* VG is clustered */
+#define LCK_CACHE	0x00000100U	/* Operation on cache only using P_ lock */
 
 /*
  * Additional lock bits for cluster communication
@@ -91,6 +101,7 @@ int check_lvm1_vg_inactive(struct cmd_context *cmd, const char *vgname);
 #define LCK_VG_READ		(LCK_VG | LCK_READ | LCK_HOLD)
 #define LCK_VG_WRITE		(LCK_VG | LCK_WRITE | LCK_HOLD)
 #define LCK_VG_UNLOCK		(LCK_VG | LCK_UNLOCK)
+#define LCK_VG_DROP_CACHE	(LCK_VG | LCK_WRITE | LCK_CACHE)
 
 #define LCK_LV_EXCLUSIVE	(LCK_LV | LCK_EXCL | LCK_NONBLOCK)
 #define LCK_LV_SUSPEND		(LCK_LV | LCK_WRITE | LCK_NONBLOCK)
@@ -116,6 +127,8 @@ int check_lvm1_vg_inactive(struct cmd_context *cmd, const char *vgname);
 	lock_lv_vol(cmd, lv, LCK_LV_ACTIVATE | LCK_HOLD | LCK_LOCAL)
 #define deactivate_lv_local(cmd, lv)	\
 	lock_lv_vol(cmd, lv, LCK_LV_DEACTIVATE | LCK_LOCAL)
+#define drop_cached_metadata(vg)	\
+	lock_vol((vg)->cmd, (vg)->name, LCK_VG_DROP_CACHE)
 
 /* Process list of LVs */
 int suspend_lvs(struct cmd_context *cmd, struct list *lvs);

lib/log/log.c

@@ -51,6 +51,7 @@ static int _already_logging = 0;
 static int _mirror_in_sync = 0;
 static int _dmeventd_monitor = DEFAULT_DMEVENTD_MONITOR;
 static int _ignore_suspended_devices = 0;
+static int _error_message_produced = 0;
 
 static lvm2_log_fn_t _lvm2_log_fn = NULL;
 
@@ -238,6 +239,16 @@ void init_indent(int indent)
 	_indent = indent;
 }
 
+void init_error_message_produced(int value)
+{
+	_error_message_produced = value;
+}
+
+int error_message_produced(void)
+{
+	return _error_message_produced;
+}
+
 int test_mode()
 {
 	return _test;
@@ -322,6 +333,9 @@ void print_log(int level, const char *file, int line, const char *format, ...)
 	if (_log_suppress == 2)
 		return;
 
+	if (level <= _LOG_ERR)
+		_error_message_produced = 1;
+
 	trformat = _(format);
 
 	if (_lvm2_log_fn) {

lib/log/log.h

@@ -79,6 +79,7 @@ void init_security_level(int level);
 void init_mirror_in_sync(int in_sync);
 void init_dmeventd_monitor(int reg);
 void init_ignore_suspended_devices(int ignore);
+void init_error_message_produced(int error_message_produced);
 
 void set_cmd_name(const char *cmd_name);
 
@@ -94,6 +95,7 @@ int lockingfailed(void);
 int security_level(void);
 int mirror_in_sync(void);
 int ignore_suspended_devices(void);
+int error_message_produced(void);
 
 #define DMEVENTD_MONITOR_IGNORE -1
 int dmeventd_monitor_mode(void);

lib/metadata/lv_manip.c

@@ -439,7 +439,8 @@ static int _lv_reduce(struct logical_volume *lv, uint32_t extents, int delete)
 
 		list_del(&lvl->list);
 
-		lv->vg->lv_count--;
+		if (!(lv->status & SNAPSHOT))
+			lv->vg->lv_count--;
 	} else if (lv->vg->fid->fmt->ops->lv_setup &&
 		   !lv->vg->fid->fmt->ops->lv_setup(lv->vg->fid, lv))
 		return_0;
@@ -2047,6 +2048,27 @@ int lv_remove_single(struct cmd_context *cmd, struct logical_volume *lv,
 	return 1;
 }
 
+/*
+ * remove LVs with its dependencies - LV leaf nodes should be removed first
+ */
+int lv_remove_with_dependencies(struct cmd_context *cmd, struct logical_volume *lv,
+				const force_t force)
+{
+	struct list *snh, *snht;
+
+        if (lv_is_origin(lv)) {
+		/* remove snapshot LVs first */
+		list_iterate_safe(snh, snht, &lv->snapshot_segs) {
+			if (!lv_remove_with_dependencies(cmd, list_struct_base(snh, struct lv_segment,
+									       origin_list)->cow,
+							 force))
+				return 0;
+		}
+	}
+
+        return lv_remove_single(cmd, lv, force);
+}
+
 /*
  * insert_layer_for_segments_on_pv() inserts a layer segment for a segment area.
  * However, layer modification could split the underlying layer segment.

lib/metadata/metadata-exported.h

@@ -202,7 +202,23 @@ struct volume_group {
 	uint32_t pv_count;
 	struct list pvs;
 
-	/* logical volumes */
+	/*
+	 * logical volumes
+	 * The following relationship should always hold:
+	 * list_size(lvs) = lv_count + 2 * snapshot_count
+	 *
+	 * Snapshots consist of 2 instances of "struct logical_volume":
+	 * - cow (lv_name is visible to the user)
+	 * - snapshot (lv_name is 'snapshotN')
+	 * Neither of these instances is reflected in lv_count, but we
+	 * multiply the snapshot_count by 2.
+	 *
+	 * Mirrors consist of multiple instances of "struct logical_volume":
+	 * - one for the mirror log
+	 * - one for each mirror leg
+	 * - one for the user-visible mirror LV
+	 * all of the instances are reflected in lv_count.
+	 */
 	uint32_t lv_count;
 	uint32_t snapshot_count;
 	struct list lvs;
@@ -331,7 +347,7 @@ vg_t *vg_lock_and_read(struct cmd_context *cmd, const char *vg_name,
 
 /* pe_start and pe_end relate to any existing data so that new metadata
 * areas can avoid overlap */
-pv_t *pv_create(const struct format_type *fmt,
+pv_t *pv_create(const struct cmd_context *cmd,
 		      struct device *dev,
 		      struct id *id,
 		      uint64_t size,
@@ -400,6 +416,9 @@ int lv_remove(struct logical_volume *lv);
 int lv_remove_single(struct cmd_context *cmd, struct logical_volume *lv,
 		     force_t force);
 
+int lv_remove_with_dependencies(struct cmd_context *cmd, struct logical_volume *lv,
+				force_t force);
+
 int lv_rename(struct cmd_context *cmd, struct logical_volume *lv,
 	      const char *new_name);
 
@@ -513,6 +532,7 @@ int add_mirror_log(struct cmd_context *cmd, struct logical_volume *lv,
 int reconfigure_mirror_images(struct lv_segment *mirrored_seg, uint32_t num_mirrors,
 			      struct list *removable_pvs, unsigned remove_log);
 int collapse_mirrored_lv(struct logical_volume *lv);
+int shift_mirror_images(struct lv_segment *mirrored_seg, unsigned mimage);
 
 struct logical_volume *find_pvmove_lv(struct volume_group *vg,
 				      struct device *dev, uint32_t lv_type);

lib/metadata/metadata.c

@@ -296,11 +296,14 @@ static int remove_lvs_in_vg(struct cmd_context *cmd,
 			    struct volume_group *vg,
 			    force_t force)
 {
+	struct list *lst;
 	struct lv_list *lvl;
 
-	list_iterate_items(lvl, &vg->lvs)
-		if (!lv_remove_single(cmd, lvl->lv, force))
-			return 0;
+	while ((lst = list_first(&vg->lvs))) {
+		lvl = list_item(lst, struct lv_list);
+		if (!lv_remove_with_dependencies(cmd, lvl->lv, force))
+		    return 0;
+	}
 
 	return 1;
 }
@@ -716,7 +719,7 @@ int vg_split_mdas(struct cmd_context *cmd __attribute((unused)),
 			if (is_orphan_vg(vg_to->name))
 				list_del(&mda->list);
 			else
-				list_move(&mda->list, mdas_to);
+				list_move(mdas_to, &mda->list);
 		}
 	}
 
@@ -747,7 +750,7 @@ int vg_split_mdas(struct cmd_context *cmd __attribute((unused)),
  * Note:
  *   FIXME - liblvm todo - tidy up arguments for external use (fmt, mdas, etc)
  */
-pv_t *pv_create(const struct format_type *fmt,
+pv_t *pv_create(const struct cmd_context *cmd,
 		struct device *dev,
 		struct id *id, uint64_t size,
 		uint64_t pe_start,
@@ -756,7 +759,7 @@ pv_t *pv_create(const struct format_type *fmt,
 		int pvmetadatacopies,
 		uint64_t pvmetadatasize, struct list *mdas)
 {
-	return _pv_create(fmt, dev, id, size, pe_start,
+	return _pv_create(cmd->fmt, dev, id, size, pe_start,
 			  existing_extent_count,
 			  existing_extent_size,
 			  pvmetadatacopies,
@@ -885,6 +888,7 @@ struct pv_list *find_pv_in_pv_list(const struct list *pl,
 	list_iterate_items(pvl, pl)
 		if (pvl->pv == pv)
 			return pvl;
+
 	return NULL;
 }
 
@@ -957,6 +961,7 @@ struct lv_list *find_lv_in_lv_list(const struct list *ll,
 	list_iterate_items(lvl, ll)
 		if (lvl->lv == lv)
 			return lvl;
+
 	return NULL;
 }
 
@@ -1175,6 +1180,7 @@ int vg_validate(struct volume_group *vg)
 	struct lv_list *lvl, *lvl2;
 	char uuid[64] __attribute((aligned(8)));
 	int r = 1;
+	uint32_t lv_count;
 
 	/* FIXME Also check there's no data/metadata overlap */
 
@@ -1208,6 +1214,15 @@ int vg_validate(struct volume_group *vg)
 		r = 0;
 	}
 
+	if ((lv_count = (uint32_t) list_size(&vg->lvs)) !=
+	    vg->lv_count + 2 * vg->snapshot_count) {
+		log_error("Internal error: #internal LVs (%u) != #LVs (%"
+			  PRIu32 ") + 2 * #snapshots (%" PRIu32 ") in VG %s",
+			  list_size(&vg->lvs), vg->lv_count,
+			  vg->snapshot_count, vg->name);
+		r = 0;
+	}
+
 	list_iterate_items(lvl, &vg->lvs) {
 		list_iterate_items(lvl2, &vg->lvs) {
 			if (lvl == lvl2)
@@ -1240,6 +1255,13 @@ int vg_validate(struct volume_group *vg)
 		}
 	}
 
+	if (!(vg->fid->fmt->features & FMT_UNLIMITED_VOLS) &&
+	    (!vg->max_lv || !vg->max_pv)) {
+		log_error("Internal error: Volume group %s has limited PV/LV count"
+			  " but limit is not set.", vg->name);
+		r = 0;
+	}
+
 	return r;
 }
 
@@ -1266,6 +1288,11 @@ int vg_write(struct volume_group *vg)
 		return 0;
 	}
 
+	if (!drop_cached_metadata(vg)) {
+		log_error("Unable to drop cached metadata for VG %s.", vg->name);
+		return 0;
+	}
+
 	vg->seqno++;
 
 	/* Write to each copy of the metadata area */
@@ -1346,6 +1373,11 @@ int vg_commit(struct volume_group *vg)
 		}
 	}
 
+	/* If update failed, remove any cached precommitted metadata. */
+	if (!cache_updated && !drop_cached_metadata(vg))
+		log_error("Attempt to drop cached metadata failed "
+			  "after commit for VG %s.", vg->name);
+
 	/* If at least one mda commit succeeded, it was committed */
 	return cache_updated;
 }
@@ -1362,6 +1394,10 @@ int vg_revert(struct volume_group *vg)
 		}
 	}
 
+	if (!drop_cached_metadata(vg))
+		log_error("Attempt to drop cached metadata failed "
+			  "after reverted update for VG %s.", vg->name);
+
 	return 1;
 }
 
@@ -1450,6 +1486,8 @@ static int _update_pv_list(struct list *all_pvs, struct volume_group *vg)
  * and call vg_read again).
  *
  * If precommitted is set, use precommitted metadata if present.
+ *
+ * Either of vgname or vgid may be NULL.
  */
 static struct volume_group *_vg_read(struct cmd_context *cmd,
 				     const char *vgname,
@@ -1460,8 +1498,10 @@ static struct volume_group *_vg_read(struct cmd_context *cmd,
 	const struct format_type *fmt;
 	struct volume_group *vg, *correct_vg = NULL;
 	struct metadata_area *mda;
+	struct lvmcache_info *info;
 	int inconsistent = 0;
 	int inconsistent_vgid = 0;
+	int inconsistent_pvs = 0;
 	unsigned use_precommitted = precommitted;
 	struct list *pvids;
 	struct pv_list *pvl, *pvl2;
@@ -1496,19 +1536,23 @@ static struct volume_group *_vg_read(struct cmd_context *cmd,
 		}
 	}
 
+	/* Now determine the correct vgname if none was supplied */
+	if (!vgname && !(vgname = vgname_from_vgid(cmd->mem, vgid)))
+		return_NULL;
+
 	if (use_precommitted && !(fmt->features & FMT_PRECOMMIT))
 		use_precommitted = 0;
 
-	/* Store pvids for later so we can check if any are missing */
-	if (!(pvids = lvmcache_get_pvids(cmd, vgname, vgid)))
-		return_NULL;
-
 	/* create format instance with appropriate metadata area */
 	if (!(fid = fmt->ops->create_instance(fmt, vgname, vgid, NULL))) {
 		log_error("Failed to create format instance");
 		return NULL;
 	}
 
+	/* Store pvids for later so we can check if any are missing */
+	if (!(pvids = lvmcache_get_pvids(cmd, vgname, vgid)))
+		return_NULL;
+
 	/* Ensure contents of all metadata areas match - else do recovery */
 	list_iterate_items(mda, &fid->metadata_areas) {
 		if ((use_precommitted &&
@@ -1532,6 +1576,44 @@ static struct volume_group *_vg_read(struct cmd_context *cmd,
 
 	/* Ensure every PV in the VG was in the cache */
 	if (correct_vg) {
+		/*
+		 * If the VG has PVs without mdas, they may still be
+		 * orphans in the cache: update the cache state here.
+		 */
+		if (!inconsistent &&
+		    list_size(&correct_vg->pvs) > list_size(pvids)) {
+			list_iterate_items(pvl, &correct_vg->pvs) {
+				if (!pvl->pv->dev) {
+					inconsistent_pvs = 1;
+					break;
+				}
+
+				if (str_list_match_item(pvids, pvl->pv->dev->pvid))
+					continue;
+
+				/*
+				 * PV not marked as belonging to this VG in cache.
+				 * Check it's an orphan without metadata area.
+				 */
+				if (!(info = info_from_pvid(pvl->pv->dev->pvid, 1)) ||
+				   !info->vginfo || !is_orphan_vg(info->vginfo->vgname) ||
+				   list_size(&info->mdas)) {
+					inconsistent_pvs = 1;
+					break;
+				}
+			}
+
+			/* If the check passed, let's update VG and recalculate pvids */
+			if (!inconsistent_pvs) {
+				log_debug("Updating cache for PVs without mdas "
+					  "in VG %s.", vgname);
+				lvmcache_update_vg(correct_vg, use_precommitted);
+
+				if (!(pvids = lvmcache_get_pvids(cmd, vgname, vgid)))
+					return_NULL;
+			}
+		}
+
 		if (list_size(&correct_vg->pvs) != list_size(pvids)) {
 			log_debug("Cached VG %s had incorrect PV list",
 				  vgname);
@@ -1726,12 +1808,12 @@ static struct volume_group *_vg_read_by_vgid(struct cmd_context *cmd,
 	/* Is corresponding vgname already cached? */
 	if ((vginfo = vginfo_from_vgid(vgid)) &&
 	    vginfo->vgname && !is_orphan_vg(vginfo->vgname)) {
-		if ((vg = _vg_read(cmd, vginfo->vgname, vgid,
+		if ((vg = _vg_read(cmd, NULL, vgid,
 				   &consistent, precommitted)) &&
 		    !strncmp((char *)vg->id.uuid, vgid, ID_LEN)) {
 			if (!consistent) {
 				log_error("Volume group %s metadata is "
-					  "inconsistent", vginfo->vgname);
+					  "inconsistent", vg->name);
 				if (!partial_mode())
 					return NULL;
 			}
@@ -1888,7 +1970,7 @@ struct list *get_vgids(struct cmd_context *cmd, int full_scan)
 static int _get_pvs(struct cmd_context *cmd, struct list **pvslist)
 {
 	struct str_list *strl;
-	struct list *results;
+	struct list * uninitialized_var(results);
 	const char *vgname, *vgid;
 	struct list *pvh, *tmp;
 	struct list *vgids;

lib/metadata/mirror.c

@@ -1,6 +1,6 @@
 /*
  * Copyright (C) 2003-2004 Sistina Software, Inc. All rights reserved.
- * Copyright (C) 2004-2007 Red Hat, Inc. All rights reserved.
+ * Copyright (C) 2004-2008 Red Hat, Inc. All rights reserved.
  *
  * This file is part of LVM2.
  *
@@ -135,6 +135,53 @@ uint32_t adjusted_mirror_region_size(uint32_t extent_size, uint32_t extents,
 	return region_size;
 }
 
+/*
+ * shift_mirror_images
+ * @mirrored_seg
+ * @mimage:  The position (index) of the image to move to the end
+ *
+ * When dealing with removal of legs, we often move a 'removable leg'
+ * to the back of the 'areas' array.  It is critically important not
+ * to simply swap it for the last area in the array.  This would have
+ * the affect of reordering the remaining legs - altering position of
+ * the primary.  So, we must shuffle all of the areas in the array
+ * to maintain their relative position before moving the 'removable
+ * leg' to the end.
+ *
+ * Short illustration of the problem:
+ *   - Mirror consists of legs A, B, C and we want to remove A
+ *   - We swap A and C and then remove A, leaving C, B
+ * This scenario is problematic in failure cases where A dies, because
+ * B becomes the primary.  If the above happens, we effectively throw
+ * away any changes made between the time of failure and the time of
+ * restructuring the mirror.
+ *
+ * So, any time we want to move areas to the end to be removed, use
+ * this function.
+ */
+int shift_mirror_images(struct lv_segment *mirrored_seg, unsigned mimage)
+{
+	int i;
+	struct lv_segment_area area;
+
+	if (mimage >= mirrored_seg->area_count) {
+		log_error("Invalid index (%u) of mirror image supplied "
+			  "to shift_mirror_images()", mimage);
+		return 0;
+	}
+
+	area = mirrored_seg->areas[mimage];
+
+	/* Shift remaining images down to fill the hole */
+	for (i = mimage + 1; i < mirrored_seg->area_count; i++)
+		mirrored_seg->areas[i-1] = mirrored_seg->areas[i];
+
+	/* Place this one at the end */
+	mirrored_seg->areas[i-1] = area;
+
+	return 0;
+}
+
 /*
  * This function writes a new header to the mirror log header to the lv
  *
@@ -469,13 +516,12 @@ static int _remove_mirror_images(struct logical_volume *lv,
 		for (s = 0; s < mirrored_seg->area_count &&
 			    old_area_count - new_area_count < num_removed; s++) {
 			sub_lv = seg_lv(mirrored_seg, s);
+
 			if (!is_temporary_mirror_layer(sub_lv) &&
 			    _is_mirror_image_removable(sub_lv, removable_pvs)) {
-				/* Swap segment to end */
+				if (!shift_mirror_images(mirrored_seg, s))
+					return_0;
 				new_area_count--;
-				area = mirrored_seg->areas[new_area_count];
-				mirrored_seg->areas[new_area_count] = mirrored_seg->areas[s];
-				mirrored_seg->areas[s] = area;
 			}
 		}
 		if (num_removed && old_area_count == new_area_count)
@@ -552,6 +598,17 @@ static int _remove_mirror_images(struct logical_volume *lv,
 
 	log_very_verbose("Updating \"%s\" in kernel", mirrored_seg->lv->name);
 
+	/*
+	 * Avoid having same mirror target loaded twice simultaneouly by first
+	 * activating the removed LV which now contains an error segment.
+	 * As it's now detached from mirrored_seg->lv we must activate it
+	 * explicitly.
+	 */
+	if (lv1 && !activate_lv(lv1->vg->cmd, lv1)) {
+		log_error("Problem reactivating removed %s", lv1->name);
+		return 0;
+	}
+
 	if (!resume_lv(mirrored_seg->lv->vg->cmd, mirrored_seg->lv)) {
 		log_error("Problem reactivating %s", mirrored_seg->lv->name);
 		return 0;
@@ -1140,6 +1197,8 @@ int remove_mirror_log(struct cmd_context *cmd,
 		      struct list *removable_pvs)
 {
 	float sync_percent;
+	struct lvinfo info;
+	struct volume_group *vg = lv->vg;
 
 	/* Unimplemented features */
 	if (list_size(&lv->segments) != 1) {
@@ -1148,10 +1207,21 @@ int remove_mirror_log(struct cmd_context *cmd,
 	}
 
 	/* Had disk log, switch to core. */
-	if (!lv_mirror_percent(cmd, lv, 0, &sync_percent, NULL)) {
-		log_error("Unable to determine mirror sync status.");
+	if (lv_info(cmd, lv, &info, 0, 0) && info.exists) {
+		if (!lv_mirror_percent(cmd, lv, 0, &sync_percent, NULL)) {
+			log_error("Unable to determine mirror sync status.");
+			return 0;
+		}
+	} else if (vg_is_clustered(vg)) {
+		log_error("Unable to convert the log of inactive "
+			  "cluster mirror %s", lv->name);
+		return 0;
+	} else if (yes_no_prompt("Full resync required to convert "
+				 "inactive mirror %s to core log. "
+				 "Proceed? [y/n]: "))
+		sync_percent = 0;
+	else
 		return 0;
-	}
 
 	if (sync_percent >= 100.0)
 		init_mirror_in_sync(1);
@@ -1269,12 +1339,9 @@ int attach_mirror_log(struct lv_segment *seg, struct logical_volume *log_lv)
 	return add_seg_to_segs_using_this_lv(log_lv, seg);
 }
 
-int add_mirror_log(struct cmd_context *cmd,
-		   struct logical_volume *lv,
-		   uint32_t log_count,
-		   uint32_t region_size,
-		   struct list *allocatable_pvs,
-		   alloc_policy_t alloc)
+int add_mirror_log(struct cmd_context *cmd, struct logical_volume *lv,
+		   uint32_t log_count, uint32_t region_size,
+		   struct list *allocatable_pvs, alloc_policy_t alloc)
 {
 	struct alloc_handle *ah;
 	const struct segment_type *segtype;
@@ -1282,17 +1349,31 @@ int add_mirror_log(struct cmd_context *cmd,
 	float sync_percent;
 	int in_sync;
 	struct logical_volume *log_lv;
+	struct lvinfo info;
 
 	/* Unimplemented features */
 	if (log_count > 1) {
 		log_error("log_count > 1 is not supported");
 		return 0;
 	}
+
 	if (list_size(&lv->segments) != 1) {
 		log_error("Multiple-segment mirror is not supported");
 		return 0;
 	}
 
+	/*
+	 * We are unable to convert the log of inactive cluster mirrors
+	 * due to the inability to detect whether the mirror is active
+	 * on remote nodes (even though it is inactive on this node)
+	 */
+	if (vg_is_clustered(lv->vg) &&
+	    !(lv_info(cmd, lv, &info, 0, 0) && info.exists)) {
+		log_error("Unable to convert the log of inactive "
+			  "cluster mirror %s", lv->name);
+		return 0;
+	}
+
 	if (!(parallel_areas = build_parallel_areas_from_lv(cmd, lv)))
 		return_0;
 
@@ -1344,7 +1425,8 @@ int add_mirror_images(struct cmd_context *cmd, struct logical_volume *lv,
 	struct alloc_handle *ah;
 	const struct segment_type *segtype;
 	struct list *parallel_areas;
-	struct logical_volume **img_lvs, *log_lv;
+	struct logical_volume **img_lvs;
+	struct logical_volume *log_lv = NULL;
 
 	if (stripes > 1) {
 		log_error("stripes > 1 is not supported");
@@ -1416,8 +1498,8 @@ int add_mirror_images(struct cmd_context *cmd, struct logical_volume *lv,
 	return 1;
 
   out_remove_log:
-	if (!lv_remove(log_lv) || !vg_write(log_lv->vg) ||
-	    (backup(log_lv->vg), !vg_commit(log_lv->vg)))
+	if (log_lv && (!lv_remove(log_lv) || !vg_write(log_lv->vg) ||
+		       (backup(log_lv->vg), !vg_commit(log_lv->vg))))
 		log_error("Manual intervention may be required to remove "
 			  "abandoned log LV before retrying.");
 

lib/metadata/segtype.h

@@ -77,7 +77,7 @@ struct segtype_handler {
 			       struct cmd_context *cmd,
 			       struct lv_segment *seg, char *params,
 			       uint64_t *total_numerator,
-			       uint64_t *total_denominator, float *percent);
+			       uint64_t *total_denominator);
 	int (*target_present) (const struct lv_segment *seg,
 			       unsigned *attributes);
 	int (*modules_needed) (struct dm_pool *mem,
@@ -95,6 +95,7 @@ struct segment_type *get_segtype_from_string(struct cmd_context *cmd,
 struct segment_type *init_striped_segtype(struct cmd_context *cmd);
 struct segment_type *init_zero_segtype(struct cmd_context *cmd);
 struct segment_type *init_error_segtype(struct cmd_context *cmd);
+struct segment_type *init_free_segtype(struct cmd_context *cmd);
 
 #ifdef SNAPSHOT_INTERNAL
 struct segment_type *init_snapshot_segtype(struct cmd_context *cmd);

lib/mirror/mirrored.c

@@ -176,8 +176,7 @@ static struct mirror_state *_mirrored_init_target(struct dm_pool *mem,
 static int _mirrored_target_percent(void **target_state, struct dm_pool *mem,
 			   struct cmd_context *cmd, struct lv_segment *seg,
 			   char *params, uint64_t *total_numerator,
-			   uint64_t *total_denominator,
-			   float *percent __attribute((unused)))
+			   uint64_t *total_denominator)
 {
 	struct mirror_state *mirr_state;
 	uint64_t numerator, denominator;
@@ -373,10 +372,10 @@ static int _mirrored_target_present(const struct lv_segment *seg __attribute((un
 
 	/*
 	 * Check only for modules if atttributes requested and no previous check.
-	 * FIXME: need better check
+	 * FIXME: Fails incorrectly if cmirror was built into kernel.
 	 */
 	if (attributes) {
-		if (!_mirror_attributes && module_present("cmirror"))
+		if (!_mirror_attributes && module_present("log-clustered"))
 			_mirror_attributes |= MIRROR_LOG_CLUSTERED;
 		*attributes = _mirror_attributes;
 	}

lib/misc/configure.h.in

@@ -36,8 +36,7 @@
 /* Define to 1 if you have the <ctype.h> header file. */
 #undef HAVE_CTYPE_H
 
-/* Define to 1 if you have the <dirent.h> header file, and it defines `DIR'.
-   */
+/* Define to 1 if you have the <dirent.h> header file. */
 #undef HAVE_DIRENT_H
 
 /* Define to 1 if you have the <dlfcn.h> header file. */
@@ -49,6 +48,9 @@
 /* Define to 1 if you have the `dup2' function. */
 #undef HAVE_DUP2
 
+/* Define to 1 if you have the <errno.h> header file. */
+#undef HAVE_ERRNO_H
+
 /* Define to 1 if you have the <fcntl.h> header file. */
 #undef HAVE_FCNTL_H
 
@@ -61,7 +63,7 @@
 /* Define to 1 if you have the `getmntent' function. */
 #undef HAVE_GETMNTENT
 
-/* Define to 1 to if getopt_long is available. */
+/* Define to 1 if getopt_long is available. */
 #undef HAVE_GETOPTLONG
 
 /* Define to 1 if you have the <getopt.h> header file. */
@@ -171,6 +173,9 @@
 /* Define to 1 if you have the <selinux/selinux.h> header file. */
 #undef HAVE_SELINUX_SELINUX_H
 
+/* Define to 1 if sepol_check_context is available. */
+#undef HAVE_SEPOL
+
 /* Define to 1 if you have the `setlocale' function. */
 #undef HAVE_SETLOCALE
 
@@ -184,6 +189,9 @@
    zero-length file name argument. */
 #undef HAVE_STAT_EMPTY_STRING_BUG
 
+/* Define to 1 if you have the <stdarg.h> header file. */
+#undef HAVE_STDARG_H
+
 /* Define to 1 if you have the <stddef.h> header file. */
 #undef HAVE_STDDEF_H
 
@@ -270,6 +278,9 @@
 /* Define to 1 if you have the <sys/socket.h> header file. */
 #undef HAVE_SYS_SOCKET_H
 
+/* Define to 1 if you have the <sys/statvfs.h> header file. */
+#undef HAVE_SYS_STATVFS_H
+
 /* Define to 1 if you have the <sys/stat.h> header file. */
 #undef HAVE_SYS_STAT_H
 
@@ -291,6 +302,9 @@
 /* Define to 1 if you have the <sys/wait.h> header file. */
 #undef HAVE_SYS_WAIT_H
 
+/* Define to 1 if you have the <termios.h> header file. */
+#undef HAVE_TERMIOS_H
+
 /* Define to 1 if you have the <time.h> header file. */
 #undef HAVE_TIME_H
 

lib/misc/last-path-component.h

@@ -21,7 +21,8 @@
 
 static inline char *last_path_component(char const *name)
 {
-	char const *slash = strrchr (name, '/');
+	char const *slash = strrchr(name, '/');
 	char const *res = slash ? slash + 1 : name;
-	return (char *) res;
+
+	return (char *)res;
 }

lib/misc/util.h

@@ -25,4 +25,6 @@
 		     (void) (&_a == &_b); \
 		     _a > _b ? _a : _b; })
 
+#define uninitialized_var(x) x = x
+
 #endif

lib/mm/memlock.c

@@ -105,7 +105,7 @@ static void _lock_mem(void)
 		log_sys_error("getpriority", "");
 	else
 		if (setpriority(PRIO_PROCESS, 0, _default_priority))
-			log_error("setpriority %u failed: %s",
+			log_error("setpriority %d failed: %s",
 				  _default_priority, strerror(errno));
 }
 

lib/report/report.c

@@ -303,6 +303,10 @@ static int _lvstatus_disp(struct dm_report *rh __attribute((unused)), struct dm_
 		return 0;
 	}
 
+	/* Blank if this is a "free space" LV. */
+	if (!*lv->name)
+		goto out;
+
 	if (lv->status & PVMOVE)
 		repstr[0] = 'p';
 	else if (lv->status & CONVERTING)
@@ -332,8 +336,10 @@ static int _lvstatus_disp(struct dm_report *rh __attribute((unused)), struct dm_
 		repstr[1] = '-';
 	else if (lv->status & LVM_WRITE)
 		repstr[1] = 'w';
-	else
+	else if (lv->status & LVM_READ)
 		repstr[1] = 'r';
+	else
+		repstr[1] = '-';
 
 	repstr[2] = _alloc_policy_char(lv->alloc);
 
@@ -375,6 +381,7 @@ static int _lvstatus_disp(struct dm_report *rh __attribute((unused)), struct dm_
 		repstr[5] = '-';
 	}
 
+out:
 	dm_report_field_set_value(field, repstr, NULL);
 	return 1;
 }
@@ -386,7 +393,7 @@ static int _pvstatus_disp(struct dm_report *rh __attribute((unused)), struct dm_
 	const uint32_t status = *(const uint32_t *) data;
 	char *repstr;
 
-	if (!(repstr = dm_pool_zalloc(mem, 4))) {
+	if (!(repstr = dm_pool_zalloc(mem, 3))) {
 		log_error("dm_pool_alloc failed");
 		return 0;
 	}
@@ -1077,9 +1084,11 @@ static struct dm_report_field_type _fields[] = {
 
 void *report_init(struct cmd_context *cmd, const char *format, const char *keys,
 		  report_type_t *report_type, const char *separator,
-		  int aligned, int buffered, int headings)
+		  int aligned, int buffered, int headings, int field_prefixes,
+		  int quoted, int columns_as_rows)
 {
 	uint32_t report_flags = 0;
+	void *rh;
 
 	if (aligned)
 		report_flags |= DM_REPORT_OUTPUT_ALIGNED;
@@ -1090,8 +1099,22 @@ void *report_init(struct cmd_context *cmd, const char *format, const char *keys,
 	if (headings)
 		report_flags |= DM_REPORT_OUTPUT_HEADINGS;
 
-	return dm_report_init(report_type, _report_types, _fields, format,
-			      separator, report_flags, keys, cmd);
+	if (field_prefixes)
+		report_flags |= DM_REPORT_OUTPUT_FIELD_NAME_PREFIX;
+
+	if (!quoted)
+		report_flags |= DM_REPORT_OUTPUT_FIELD_UNQUOTED;
+
+	if (columns_as_rows)
+		report_flags |= DM_REPORT_OUTPUT_COLUMNS_AS_ROWS;
+
+	rh = dm_report_init(report_type, _report_types, _fields, format,
+			    separator, report_flags, keys, cmd);
+
+	if (field_prefixes)
+		dm_report_set_output_field_name_prefix(rh, "lvm2_");
+
+	return rh;
 }
 
 /*

lib/report/report.h

@@ -28,7 +28,8 @@ typedef int (*field_report_fn) (struct report_handle * dh, struct field * field,
 
 void *report_init(struct cmd_context *cmd, const char *format, const char *keys,
 		  report_type_t *report_type, const char *separator,
-		  int aligned, int buffered, int headings);
+		  int aligned, int buffered, int headings, int field_prefixes,
+		  int quoted, int columns_as_rows);
 void report_free(void *handle);
 int report_object(void *handle, struct volume_group *vg,
 		  struct logical_volume *lv, struct physical_volume *pv,

lib/snapshot/snapshot.c

@@ -95,20 +95,14 @@ static int _snap_target_percent(void **target_state __attribute((unused)),
 			   struct cmd_context *cmd __attribute((unused)),
 			   struct lv_segment *seg __attribute((unused)),
 			   char *params, uint64_t *total_numerator,
-			   uint64_t *total_denominator, float *percent)
+			   uint64_t *total_denominator)
 {
-	float percent2;
 	uint64_t numerator, denominator;
 
-	if (strchr(params, '/')) {
-		if (sscanf(params, "%" PRIu64 "/%" PRIu64,
-			   &numerator, &denominator) == 2) {
-			*total_numerator += numerator;
-			*total_denominator += denominator;
-		}
-	} else if (sscanf(params, "%f", &percent2) == 1) {
-		*percent += percent2;
-		*percent /= 2;
+	if (sscanf(params, "%" PRIu64 "/%" PRIu64,
+		   &numerator, &denominator) == 2) {
+		*total_numerator += numerator;
+		*total_denominator += denominator;
 	}
 
 	return 1;

lib/uuid/uuid.c

@@ -19,8 +19,9 @@
 #include <sys/stat.h>
 #include <fcntl.h>
 #include <unistd.h>
+#include <ctype.h>
 
-static char _c[] =
+static const char _c[] =
     "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ!#";
 
 static int _built_inverse;
@@ -67,11 +68,29 @@ int lvnum_from_lvid(union lvid *lvid)
 		lv_num *= sizeof(_c) - 1;
 		if ((c = strchr(_c, lvid->id[1].uuid[i])))
 			lv_num += (int) (c - _c);
+		if (lv_num < 0)
+			lv_num = 0;
 	}
 
 	return lv_num;
 }
 
+int lvid_in_restricted_range(union lvid *lvid)
+{
+	int i;
+
+	for (i = 0; i < ID_LEN - 3; i++)
+		if (lvid->id[1].uuid[i] != '0')
+			return 0;
+
+	for (i = ID_LEN - 3; i < ID_LEN; i++)
+		if (!isdigit(lvid->id[1].uuid[i]))
+			return 0;
+
+	return 1;
+}
+
+
 int id_create(struct id *id)
 {
 	int randomfile;
@@ -110,7 +129,7 @@ int id_create(struct id *id)
  */
 static void _build_inverse(void)
 {
-	char *ptr;
+	const char *ptr;
 
 	if (_built_inverse)
 		return;

lib/uuid/uuid.h

@@ -34,6 +34,7 @@ union lvid {
 
 int lvid_from_lvnum(union lvid *lvid, struct id *vgid, uint32_t lv_num);
 int lvnum_from_lvid(union lvid *lvid);
+int lvid_in_restricted_range(union lvid *lvid);
 
 void uuid_from_num(char *uuid, uint32_t num);
 

libdm/.exported_symbols

@@ -132,5 +132,6 @@ dm_report_field_int32
 dm_report_field_uint32
 dm_report_field_uint64
 dm_report_field_set_value
+dm_report_set_output_field_name_prefix
 dm_regex_create
 dm_regex_match

libdm/Makefile.in

@@ -43,8 +43,8 @@ else
 endif
 VERSIONED_SHLIB = libdevmapper.$(LIB_SUFFIX).$(LIB_VERSION)
 
-DEFS += -DDEVICE_UID=@DEVICE_UID@ -DDEVICE_GID=@DEVICE_GID@ \
-	-DDEVICE_MODE=@DEVICE_MODE@
+DEFS += -DDM_DEVICE_UID=@DM_DEVICE_UID@ -DDM_DEVICE_GID=@DM_DEVICE_GID@ \
+	-DDM_DEVICE_MODE=@DM_DEVICE_MODE@
 
 include ../make.tmpl
 

libdm/datastruct/hash.c

@@ -215,12 +215,14 @@ unsigned dm_hash_get_num_entries(struct dm_hash_table *t)
 
 void dm_hash_iter(struct dm_hash_table *t, dm_hash_iterate_fn f)
 {
-	struct dm_hash_node *c;
+	struct dm_hash_node *c, *n;
 	unsigned i;
 
 	for (i = 0; i < t->num_slots; i++)
-		for (c = t->slots[i]; c; c = c->next)
+		for (c = t->slots[i]; c; c = n) {
+			n = c->next;
 			f(c->data);
+		}
 }
 
 void dm_hash_wipe(struct dm_hash_table *t)

libdm/datastruct/list.c

@@ -65,6 +65,15 @@ void list_del(struct list *elem)
 	elem->p->n = elem->n;
 }
 
+/*
+ * Remove an element from existing list and insert before 'head'.
+ */
+void list_move(struct list *head, struct list *elem)
+{
+        list_del(elem);
+        list_add(head, elem);
+}
+
 /*
  * Is the list empty?
  */

libdm/datastruct/list.h

@@ -55,14 +55,9 @@ void list_add_h(struct list *head, struct list *elem);
 void list_del(struct list *elem);
 
 /*
- * Move an element from an existing list to list 'head'.
- * Insert the element before 'head'.
+ * Remove an element from existing list and insert before 'head'.
  */
-static inline void list_move(struct list *item, struct list *head)
-{
-        list_del(item);
-        list_add(head, item);
-}
+void list_move(struct list *head, struct list *elem);
 
 /*
  * Is the list empty?

libdm/ioctl/libdm-iface.c

@@ -1501,6 +1501,11 @@ static int _create_and_load_v4(struct dm_task *dmt)
 	return r;
 }
 
+uint64_t dm_task_get_existing_table_size(struct dm_task *dmt)
+{
+	return dmt->existing_table_size;
+}
+
 static int _reload_with_suppression_v4(struct dm_task *dmt)
 {
 	struct dm_task *task;
@@ -1534,6 +1539,12 @@ static int _reload_with_suppression_v4(struct dm_task *dmt)
 		return r;
 	}
 
+	/* Store existing table size */
+	t2 = task->head;
+	while (t2 && t2->next)
+		t2 = t2->next;
+	dmt->existing_table_size = t2 ? t2->start + t2->length : 0;
+
 	if ((task->dmi.v4->flags & DM_READONLY_FLAG) ? 1 : 0 != dmt->read_only)
 		goto no_match;
 
@@ -1690,8 +1701,10 @@ repeat_ioctl:
 
 	switch (dmt->type) {
 	case DM_DEVICE_CREATE:
-		add_dev_node(dmt->dev_name, MAJOR(dmi->dev), MINOR(dmi->dev),
-			     dmt->uid, dmt->gid, dmt->mode);
+		if (dmt->dev_name && *dmt->dev_name)
+			add_dev_node(dmt->dev_name, MAJOR(dmi->dev),
+				     MINOR(dmi->dev), dmt->uid, dmt->gid,
+				     dmt->mode);
 		break;
 
 	case DM_DEVICE_REMOVE:

libdm/ioctl/libdm-targets.h

@@ -58,6 +58,7 @@ struct dm_task {
 	int no_open_count;
 	int skip_lockfs;
 	int suppress_identical_reload;
+	uint64_t existing_table_size;
 
 	char *uuid;
 };
@@ -69,5 +70,6 @@ struct cmd_data {
 };
 
 int dm_check_version(void);
+uint64_t dm_task_get_existing_table_size(struct dm_task *dmt);
 
 #endif

libdm/libdevmapper.h

@@ -181,8 +181,9 @@ int dm_task_add_target(struct dm_task *dmt,
 		       uint64_t size, const char *ttype, const char *params);
 
 /*
- * Format major/minor numbers correctly for input to driver
+ * Format major/minor numbers correctly for input to driver.
  */
+#define DM_FORMAT_DEV_BUFSIZE	13	/* Minimum bufsize to handle worst case. */
 int dm_format_dev(char *buf, int bufsize, uint32_t dev_major, uint32_t dev_minor);
 
 /* Use this to retrive target information returned from a STATUS call */
@@ -500,7 +501,7 @@ void dm_pool_free(struct dm_pool *p, void *ptr);
  *
  *      for (i = 0; i < 50; i++) {
  *              snprintf(buffer, sizeof(buffer), "%d, ", i);
- *              if (!dm_pool_grow_object(mem, buffer, strlen(buffer)))
+ *              if (!dm_pool_grow_object(mem, buffer, 0))
  *                      goto bad;
  *      }
  *
@@ -524,6 +525,7 @@ void dm_pool_free(struct dm_pool *p, void *ptr);
  * dm_pool_grow_object.  Finally get your object with
  * a call to dm_pool_end_object.
  *
+ * Setting delta to 0 means it will use strlen(extra).
  */
 int dm_pool_begin_object(struct dm_pool *p, size_t hint);
 int dm_pool_grow_object(struct dm_pool *p, const void *extra, size_t delta);
@@ -734,10 +736,13 @@ struct dm_report_field_type {
 /*
  * dm_report_init output_flags
  */
-#define DM_REPORT_OUTPUT_MASK		0x000000FF
-#define DM_REPORT_OUTPUT_ALIGNED	0x00000001
-#define DM_REPORT_OUTPUT_BUFFERED	0x00000002
-#define DM_REPORT_OUTPUT_HEADINGS	0x00000004
+#define DM_REPORT_OUTPUT_MASK			0x000000FF
+#define DM_REPORT_OUTPUT_ALIGNED		0x00000001
+#define DM_REPORT_OUTPUT_BUFFERED		0x00000002
+#define DM_REPORT_OUTPUT_HEADINGS		0x00000004
+#define DM_REPORT_OUTPUT_FIELD_NAME_PREFIX	0x00000008
+#define DM_REPORT_OUTPUT_FIELD_UNQUOTED		0x00000010
+#define DM_REPORT_OUTPUT_COLUMNS_AS_ROWS	0x00000020
 
 struct dm_report *dm_report_init(uint32_t *report_types,
 				 const struct dm_report_object_type *types,
@@ -751,6 +756,12 @@ int dm_report_object(struct dm_report *rh, void *object);
 int dm_report_output(struct dm_report *rh);
 void dm_report_free(struct dm_report *rh);
 
+/*
+ * Prefix added to each field name with DM_REPORT_OUTPUT_FIELD_NAME_PREFIX
+ */
+int dm_report_set_output_field_name_prefix(struct dm_report *rh,
+					   const char *report_prefix);
+
 /*
  * Report functions are provided for simple data types.
  * They take care of allocating copies of the data.

libdm/libdm-common.c

@@ -120,9 +120,9 @@ struct dm_task *dm_task_create(int type)
 	dmt->type = type;
 	dmt->minor = -1;
 	dmt->major = -1;
-	dmt->uid = DEVICE_UID;
-	dmt->gid = DEVICE_GID;
-	dmt->mode = DEVICE_MODE;
+	dmt->uid = DM_DEVICE_UID;
+	dmt->gid = DM_DEVICE_GID;
+	dmt->mode = DM_DEVICE_MODE;
 	dmt->no_open_count = 0;
 	dmt->read_ahead = DM_READ_AHEAD_AUTO;
 	dmt->read_ahead_flags = 0;

libdm/libdm-deptree.c

@@ -99,6 +99,7 @@ struct load_properties {
 	uint32_t read_ahead_flags;
 
 	unsigned segment_count;
+	unsigned size_changed;
 	struct list segs;
 
 	const char *new_name;
@@ -603,6 +604,7 @@ struct dm_tree_node *dm_tree_add_new_dev(struct dm_tree *dtree,
 		dnode->props.major = major;
 		dnode->props.minor = minor;
 		dnode->props.new_name = NULL;
+		dnode->props.size_changed = 0;
 	} else if (strcmp(name, dnode->name)) {
 		/* Do we need to rename node? */
 		if (!(dnode->props.new_name = dm_pool_strdup(dtree->mem, name))) {
@@ -937,7 +939,7 @@ static int _suspend_node(const char *name, uint32_t major, uint32_t minor,
 	log_verbose("Suspending %s (%" PRIu32 ":%" PRIu32 ")%s%s",
 		    name, major, minor,
 		    skip_lockfs ? "" : " with filesystem sync",
-		    no_flush ? "" : " without device flush");
+		    no_flush ? "" : " with device flush");
 
 	if (!(dmt = dm_task_create(DM_DEVICE_SUSPEND))) {
 		log_error("Suspend dm_task creation failed for %s", name);
@@ -1243,7 +1245,7 @@ static int _emit_areas_line(struct dm_task *dmt __attribute((unused)),
 			    size_t paramsize, int *pos)
 {
 	struct seg_area *area;
-	char devbuf[10];
+	char devbuf[DM_FORMAT_DEV_BUFSIZE];
 	int tw;
 	const char *prefix = "";
 
@@ -1270,13 +1272,13 @@ static int _emit_segment_line(struct dm_task *dmt, struct load_segment *seg, uin
         int pos = 0;
 	int tw;
         int r;
-	char originbuf[10], cowbuf[10], logbuf[10];
+	char originbuf[DM_FORMAT_DEV_BUFSIZE], cowbuf[DM_FORMAT_DEV_BUFSIZE];
+	char logbuf[DM_FORMAT_DEV_BUFSIZE];
 	const char *logtype;
 
 	switch(seg->type) {
 	case SEG_ERROR:
 	case SEG_ZERO:
-		params[0] = '\0';
 	case SEG_LINEAR:
 		break;
 	case SEG_MIRRORED:
@@ -1434,6 +1436,7 @@ static int _emit_segment(struct dm_task *dmt, struct load_segment *seg,
 			return 0;
 		}
 
+		params[0] = '\0';
 		ret = _emit_segment_line(dmt, seg, seg_start, params, paramsize);
 		dm_free(params);
 
@@ -1493,6 +1496,13 @@ static int _load_node(struct dm_tree_node *dnode)
 		if (r && !dnode->info.inactive_table)
 			log_verbose("Suppressed %s identical table reload.",
 				    dnode->name);
+
+		if ((dnode->props.size_changed =
+		     (dm_task_get_existing_table_size(dmt) == seg_start) ? 0 : 1))
+			log_debug("Table size changed from %" PRIu64 " to %"
+				  PRIu64 " for %s",
+				  dm_task_get_existing_table_size(dmt),
+				  seg_start, dnode->name);
 	}
 
 	dnode->props.segment_count = 0;
@@ -1504,8 +1514,8 @@ out:
 }
 
 int dm_tree_preload_children(struct dm_tree_node *dnode,
-				 const char *uuid_prefix,
-				 size_t uuid_prefix_len)
+			     const char *uuid_prefix,
+			     size_t uuid_prefix_len)
 {
 	void *handle = NULL;
 	struct dm_tree_node *child;
@@ -1540,8 +1550,8 @@ int dm_tree_preload_children(struct dm_tree_node *dnode,
 			}
 		}
 
-		/* Resume device immediately if it has parents */
-		if (!dm_tree_node_num_children(child, 1))
+		/* Resume device immediately if it has parents and its size changed */
+		if (!dm_tree_node_num_children(child, 1) || !child->props.size_changed)
 			continue;
 
 		if (!child->info.inactive_table && !child->info.suspended)

libdm/libdm-report.c

@@ -17,6 +17,8 @@
 #include "list.h"
 #include "log.h"
 
+#include <ctype.h>
+
 /*
  * Internal flags
  */
@@ -27,6 +29,7 @@ struct dm_report {
 	struct dm_pool *mem;
 
 	uint32_t report_types;
+	const char *output_field_name_prefix;
 	const char *field_prefix;
 	uint32_t flags;
 	const char *separator;
@@ -264,8 +267,7 @@ static void _display_fields(struct dm_report *rh)
 			log_warn("%s Fields", desc);
 			log_warn("%*.*s", (int) strlen(desc) + 7,
 				 (int) strlen(desc) + 7,
-				 "------------------------------------------");
-				  
+				 "-------------------------------------------------------------------------------");
 		}
 
 		/* FIXME Add line-wrapping at terminal width (or 80 cols) */
@@ -510,6 +512,14 @@ struct dm_report *dm_report_init(uint32_t *report_types,
 
 	rh->flags |= output_flags & DM_REPORT_OUTPUT_MASK;
 
+	/* With columns_as_rows we must buffer and not align. */
+	if (output_flags & DM_REPORT_OUTPUT_COLUMNS_AS_ROWS) {
+		if (!(output_flags & DM_REPORT_OUTPUT_BUFFERED))
+			rh->flags |= DM_REPORT_OUTPUT_BUFFERED;
+		if (output_flags & DM_REPORT_OUTPUT_ALIGNED)
+			rh->flags &= ~DM_REPORT_OUTPUT_ALIGNED;
+	}
+
 	if (output_flags & DM_REPORT_OUTPUT_BUFFERED)
 		rh->flags |= RH_SORT_REQUIRED;
 
@@ -551,6 +561,31 @@ void dm_report_free(struct dm_report *rh)
 	dm_free(rh);
 }
 
+static char *_toupperstr(char *str)
+{
+	char *u = str;
+
+	do
+		*u = toupper(*u);
+	while (*u++);
+
+	return str;
+}
+
+int dm_report_set_output_field_name_prefix(struct dm_report *rh, const char *output_field_name_prefix)
+{
+	char *prefix;
+
+	if (!(prefix = dm_pool_strdup(rh->mem, output_field_name_prefix))) {
+		log_error("dm_report_set_output_field_name_prefix: dm_pool_strdup failed");
+		return 0;
+	}
+
+	rh->output_field_name_prefix = _toupperstr(prefix);
+	
+	return 1;
+}
+
 /*
  * Create a row of data for an object
  */
@@ -668,15 +703,13 @@ static int _report_headings(struct dm_report *rh)
 				log_error("dm_report: Failed to generate report headings for printing");
 				goto bad;
 			}
-		} else if (!dm_pool_grow_object(rh->mem, heading,
-						strlen(heading))) {
+		} else if (!dm_pool_grow_object(rh->mem, heading, 0)) {
 			log_error("dm_report: Failed to generate report headings for printing");
 			goto bad;
 		}
 
 		if (!list_end(&rh->field_props, &fp->list))
-			if (!dm_pool_grow_object(rh->mem, rh->separator,
-					      strlen(rh->separator))) {
+			if (!dm_pool_grow_object(rh->mem, rh->separator, 0)) {
 				log_error("dm_report: Failed to generate report headings for printing");
 				goto bad;
 			}
@@ -767,22 +800,152 @@ static int _sort_rows(struct dm_report *rh)
 /*
  * Produce report output
  */
-int dm_report_output(struct dm_report *rh)
+static int _output_field(struct dm_report *rh, struct dm_report_field *field)
+{
+	char *field_id;
+	int32_t width;
+	uint32_t align;
+	const char *repstr;
+	char buf[4096];
+
+	if (rh->flags & DM_REPORT_OUTPUT_FIELD_NAME_PREFIX) {
+		if (!(field_id = strdup(rh->fields[field->props->field_num].id))) {
+			log_error("dm_report: Failed to copy field name");
+			return 0;
+		}
+
+		if (!dm_pool_grow_object(rh->mem, rh->output_field_name_prefix, 0)) {
+			log_error("dm_report: Unable to extend output line");
+			return 0;
+		}
+
+		if (!dm_pool_grow_object(rh->mem, _toupperstr(field_id), 0)) {
+			log_error("dm_report: Unable to extend output line");
+			return 0;
+		}
+
+		free(field_id);
+
+		if (!dm_pool_grow_object(rh->mem, "=", 1)) {
+			log_error("dm_report: Unable to extend output line");
+			return 0;
+		}
+
+		if (!(rh->flags & DM_REPORT_OUTPUT_FIELD_UNQUOTED) &&
+		    !dm_pool_grow_object(rh->mem, "\'", 1)) {
+			log_error("dm_report: Unable to extend output line");
+			return 0;
+		}
+	}
+
+	repstr = field->report_string;
+	width = field->props->width;
+	if (!(rh->flags & DM_REPORT_OUTPUT_ALIGNED)) {
+		if (!dm_pool_grow_object(rh->mem, repstr, 0)) {
+			log_error("dm_report: Unable to extend output line");
+			return 0;
+		}
+	} else {
+		if (!(align = field->props->flags & DM_REPORT_FIELD_ALIGN_MASK))
+			align = (field->props->flags & DM_REPORT_FIELD_TYPE_NUMBER) ? 
+				DM_REPORT_FIELD_ALIGN_RIGHT : DM_REPORT_FIELD_ALIGN_LEFT;
+		if (align & DM_REPORT_FIELD_ALIGN_LEFT) {
+			if (dm_snprintf(buf, sizeof(buf), "%-*.*s",
+					 width, width, repstr) < 0) {
+				log_error("dm_report: left-aligned snprintf() failed");
+				return 0;
+			}
+			if (!dm_pool_grow_object(rh->mem, buf, width)) {
+				log_error("dm_report: Unable to extend output line");
+				return 0;
+			}
+		} else if (align & DM_REPORT_FIELD_ALIGN_RIGHT) {
+			if (dm_snprintf(buf, sizeof(buf), "%*.*s",
+					 width, width, repstr) < 0) {
+				log_error("dm_report: right-aligned snprintf() failed");
+				return 0;
+			}
+			if (!dm_pool_grow_object(rh->mem, buf, width)) {
+				log_error("dm_report: Unable to extend output line");
+				return 0;
+			}
+		}
+	}
+
+	if ((rh->flags & DM_REPORT_OUTPUT_FIELD_NAME_PREFIX) &&
+	    !(rh->flags & DM_REPORT_OUTPUT_FIELD_UNQUOTED))
+		if (!dm_pool_grow_object(rh->mem, "\'", 1)) {
+			log_error("dm_report: Unable to extend output line");
+			return 0;
+		}
+
+	return 1;
+}
+
+static int _output_as_rows(struct dm_report *rh)
+{
+	struct field_properties *fp;
+	struct dm_report_field *field;
+	struct row *row;
+
+	if (!dm_pool_begin_object(rh->mem, 512)) {
+		log_error("dm_report: Unable to allocate output line");
+		return 0;
+	}
+
+	list_iterate_items(fp, &rh->field_props) {
+		if (fp->flags & FLD_HIDDEN) {
+			list_iterate_items(row, &rh->rows) {
+				field = list_item(list_first(&row->fields), struct dm_report_field);
+				list_del(&field->list);
+			}
+			continue;
+		}
+
+		if ((rh->flags & DM_REPORT_OUTPUT_HEADINGS)) {
+			if (!dm_pool_grow_object(rh->mem, rh->fields[fp->field_num].heading, 0)) {
+				log_error("dm_report: Failed to extend row for field name");
+				goto bad;
+			}
+			if (!dm_pool_grow_object(rh->mem, rh->separator, 0)) {
+				log_error("dm_report: Failed to extend row with separator");
+				goto bad;
+			}
+		}
+
+		list_iterate_items(row, &rh->rows) {
+			if ((field = list_item(list_first(&row->fields), struct dm_report_field))) {
+				if (!_output_field(rh, field))
+					goto bad;
+				list_del(&field->list);
+			}
+
+			if (!list_end(&rh->rows, &row->list))
+				if (!dm_pool_grow_object(rh->mem, rh->separator, 0)) {
+					log_error("dm_report: Unable to extend output line");
+					goto bad;
+				}
+		}
+
+		if (!dm_pool_grow_object(rh->mem, "\0", 1)) {
+			log_error("dm_report: Failed to terminate row");
+			goto bad;
+		}
+		log_print("%s", (char *) dm_pool_end_object(rh->mem));
+	}
+
+	return 1;
+
+      bad:
+	dm_pool_abandon_object(rh->mem);
+	return 0;
+}
+
+static int _output_as_columns(struct dm_report *rh)
 {
 	struct list *fh, *rowh, *ftmp, *rtmp;
 	struct row *row = NULL;
 	struct dm_report_field *field;
-	const char *repstr;
-	char buf[4096];
-	int32_t width;
-	uint32_t align;
-
-	if (list_empty(&rh->rows))
-		return 1;
-
-	/* Sort rows */
-	if ((rh->flags & RH_SORT_REQUIRED))
-		_sort_rows(rh);
 
 	/* If headings not printed yet, calculate field widths and print them */
 	if (!(rh->flags & RH_HEADINGS_PRINTED))
@@ -800,47 +963,15 @@ int dm_report_output(struct dm_report *rh)
 			if (field->props->flags & FLD_HIDDEN)
 				continue;
 
-			repstr = field->report_string;
-			width = field->props->width;
-			if (!(rh->flags & DM_REPORT_OUTPUT_ALIGNED)) {
-				if (!dm_pool_grow_object(rh->mem, repstr,
-						      strlen(repstr))) {
-					log_error("dm_report: Unable to extend output line");
-					goto bad;
-				}
-			} else {
-				if (!(align = field->props->flags & DM_REPORT_FIELD_ALIGN_MASK))
-					align = (field->props->flags & DM_REPORT_FIELD_TYPE_NUMBER) ? 
-						DM_REPORT_FIELD_ALIGN_RIGHT : DM_REPORT_FIELD_ALIGN_LEFT;
-				if (align & DM_REPORT_FIELD_ALIGN_LEFT) {
-					if (dm_snprintf(buf, sizeof(buf), "%-*.*s",
-							 width, width, repstr) < 0) {
-						log_error("dm_report: left-aligned snprintf() failed");
-						goto bad;
-					}
-					if (!dm_pool_grow_object(rh->mem, buf, width)) {
-						log_error("dm_report: Unable to extend output line");
-						goto bad;
-					}
-				} else if (align & DM_REPORT_FIELD_ALIGN_RIGHT) {
-					if (dm_snprintf(buf, sizeof(buf), "%*.*s",
-							 width, width, repstr) < 0) {
-						log_error("dm_report: right-aligned snprintf() failed");
-						goto bad;
-					}
-					if (!dm_pool_grow_object(rh->mem, buf, width)) {
-						log_error("dm_report: Unable to extend output line");
-						goto bad;
-					}
-				}
-			}
+			if (!_output_field(rh, field))
+				goto bad;
 
 			if (!list_end(&row->fields, fh))
-				if (!dm_pool_grow_object(rh->mem, rh->separator,
-						      strlen(rh->separator))) {
+				if (!dm_pool_grow_object(rh->mem, rh->separator, 0)) {
 					log_error("dm_report: Unable to extend output line");
 					goto bad;
 				}
+
 			list_del(&field->list);
 		}
 		if (!dm_pool_grow_object(rh->mem, "\0", 1)) {
@@ -860,3 +991,17 @@ int dm_report_output(struct dm_report *rh)
 	dm_pool_abandon_object(rh->mem);
 	return 0;
 }
+
+int dm_report_output(struct dm_report *rh)
+{
+	if (list_empty(&rh->rows))
+		return 1;
+
+	if ((rh->flags & RH_SORT_REQUIRED))
+		_sort_rows(rh);
+
+	if ((rh->flags & DM_REPORT_OUTPUT_COLUMNS_AS_ROWS))
+		return _output_as_rows(rh);
+	else
+		return _output_as_columns(rh);
+}

libdm/mm/dbg_malloc.c

@@ -40,7 +40,7 @@ struct memblock {
 	const char *file;	/* File that allocated */
 	int line;		/* Line that allocated */
 	void *magic;		/* Address of this block */
-};
+} __attribute__((aligned(8)));
 
 static struct {
 	unsigned block_serialno;/* Non-decreasing serialno of block */

libdm/mm/dbg_malloc.h

@@ -36,7 +36,7 @@ void bounds_check(void);
 
 #else
 
-#  define dm_free(p) free(p)
+#  define dm_free(p) do {if (p) free(p); } while (0)
 #  define dbg_realloc(p, s) realloc(p, s)
 #  define dump_memory()
 #  define bounds_check()

libdm/mm/pool-debug.c

@@ -216,10 +216,10 @@ int dm_pool_begin_object(struct dm_pool *p, size_t init_size)
 	return 1;
 }
 
-int dm_pool_grow_object(struct dm_pool *p, const void *buffer, size_t delta)
+int dm_pool_grow_object(struct dm_pool *p, const void *extra, size_t delta)
 {
 	struct block *new;
-	size_t size = delta;
+	size_t size = delta ? : strlen(extra);
 
 	assert(p->begun);
 
@@ -238,7 +238,7 @@ int dm_pool_grow_object(struct dm_pool *p, const void *buffer, size_t delta)
 	}
 	p->object = new;
 
-	memcpy(new->data + size - delta, buffer, delta);
+	memcpy(new->data + size - delta, extra, delta);
 
 	return 1;
 }

libdm/mm/pool-fast.c

@@ -162,14 +162,17 @@ int dm_pool_begin_object(struct dm_pool *p, size_t hint)
 	return 1;
 }
 
-int dm_pool_grow_object(struct dm_pool *p, const void *extra, size_t n)
+int dm_pool_grow_object(struct dm_pool *p, const void *extra, size_t delta)
 {
 	struct chunk *c = p->chunk, *nc;
 
-	if (c->end - (c->begin + p->object_len) < n) {
+	if (!delta)
+		delta = strlen(extra);
+
+	if (c->end - (c->begin + p->object_len) < delta) {
 		/* move into a new chunk */
-		if (p->object_len + n > (p->chunk_size / 2))
-			nc = _new_chunk(p, (p->object_len + n) * 2);
+		if (p->object_len + delta > (p->chunk_size / 2))
+			nc = _new_chunk(p, (p->object_len + delta) * 2);
 		else
 			nc = _new_chunk(p, p->chunk_size);
 
@@ -181,8 +184,8 @@ int dm_pool_grow_object(struct dm_pool *p, const void *extra, size_t n)
 		c = p->chunk;
 	}
 
-	memcpy(c->begin + p->object_len, extra, n);
-	p->object_len += n;
+	memcpy(c->begin + p->object_len, extra, delta);
+	p->object_len += delta;
 	return 1;
 }
 

make.tmpl.in

@@ -1,7 +1,7 @@
 # @configure_input@
 #
 # Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
-# Copyright (C) 2004 Red Hat, Inc. All rights reserved.
+# Copyright (C) 2004, 2008 Red Hat, Inc. All rights reserved.
 #
 # This file is part of LVM2.
 #
@@ -21,7 +21,10 @@ CC = @CC@
 RANLIB = @RANLIB@
 SHELL = /bin/sh
 INSTALL = @INSTALL@
+MKDIR_P = @MKDIR_P@
 MSGFMT = @MSGFMT@
+LCOV = @LCOV@
+GENHTML = @GENHTML@
 LN_S = @LN_S@
 LIBS = @LIBS@
 DEFS += @DEFS@
@@ -204,11 +207,15 @@ $(LIB_STATIC): $(OBJECTS)
 
 clean: $(SUBDIRS.clean)
 	$(RM) $(OBJECTS) $(TARGETS) $(CLEAN_TARGETS) $(SOURCES:%.c=%.d) \
-	      $(SOURCES:%.c=%.pot) $(LDDEPS)
+	      $(SOURCES:%.c=%.pot) $(SOURCES:%.c=%.gcno) \
+	      $(SOURCES:%.c=%.gcda) $(LDDEPS)
 
 distclean: $(SUBDIRS.distclean)
-	$(RM) $(OBJECTS) $(TARGETS) $(CLEAN_TARGETS) $(DISTCLEAN_TARGETS) \
-	      $(SOURCES:%.c=%.d) $(SOURCES:%.c=%.pot) $(LDDEPS) \
+	$(RM) -rf $(DISTCLEAN_DIRS)
+	$(RM) $(DISTCLEAN_TARGETS) \
+	      $(OBJECTS) $(TARGETS) $(CLEAN_TARGETS) $(SOURCES:%.c=%.d) \
+	      $(SOURCES:%.c=%.pot) $(SOURCES:%.c=%.gcno) \
+	      $(SOURCES:%.c=%.gcda) $(LDDEPS) \
 	      config.cache config.log config.status \
 	      Makefile make.tmpl core \
 	      version.h lvm2.po

man/lvchange.8

@@ -30,7 +30,7 @@ Communicates with the kernel device-mapper driver via
 libdevmapper to activate (-ay) or deactivate (-an) the 
 logical volumes.
 .IP
-If clustered locking is enabled, -ae will activate exclusively
+If clustered locking is enabled, -aey will activate exclusively
 on one node and -aly will activate only on the local node.
 To deactivate only on the local node use -aln.
 Logical volumes with single-host snapshots are always activated 

man/lvcreate.8

@@ -11,7 +11,7 @@ lvcreate \- create a logical volume in an existing volume group
 {\-l/\-\-extents LogicalExtentsNumber[%{VG|PVS|FREE}] |
  \-L/\-\-size LogicalVolumeSize[kKmMgGtT]}
 [\-M/\-\-persistent y/n] [\-\-minor minor]
-[\-m/\-\-mirrors Mirrors [\-\-nosync] [\-\-mirrorlog {disk|log}] [\-\-corelog]
+[\-m/\-\-mirrors Mirrors [\-\-nosync] [\-\-mirrorlog {disk|core}] [\-\-corelog]
 [\-R/\-\-regionsize MirrorLogRegionSize]]
 [\-n/\-\-name LogicalVolumeName]
 [\-p/\-\-permission r/rw] [\-r/\-\-readahead ReadAheadSectors|auto|none]

man/lvm.conf.5

@@ -84,7 +84,7 @@ Defaults to "/dev".
 \fBpreferred_names\fP \(em List of patterns compared in turn against
 all the pathnames referencing the same device in in the scanned directories.
 The pathname that matches the earliest pattern in the list is the
-one used in any output.  As an example, if device mapper multipathing
+one used in any output.  As an example, if device-mapper multipathing
 is used, the following will select multipath device names:
 .br
 \fBdevices { preferred_names = [ "^/dev/mapper/mpath" ] }\fP

man/pvcreate.8

@@ -126,5 +126,5 @@ SCSI disk for later use by LVM:
 .sp
 .SH SEE ALSO
 .BR lvm "(8), " vgcreate "(8), " vgextend "(8), " lvcreate "(8), "
-.BR cfdisk "(8), " fdisk "(8), " losetup "(8), " mdadd "(8), "
+.BR cfdisk "(8), " fdisk "(8), " losetup "(8), " mdadm "(8), "
 .BR vgcfgrestore "(8), " vgconvert "(8)"

scripts/fsadm.sh

@@ -43,7 +43,9 @@ RMDIR=rmdir
 BLOCKDEV=blockdev
 BLKID=blkid
 GREP=grep
+CUT=cut
 READLINK=readlink
+READLINK_E="-e"
 FSCK=fsck
 XFS_CHECK=xfs_check
 
@@ -154,9 +156,10 @@ decode_size() {
 # dereference device name if it is symbolic link
 detect_fs() {
         VOLUME=${1#/dev/}
-	VOLUME=$($READLINK -e -n "/dev/$VOLUME") || error "Cannot get readlink $1"
+	VOLUME=$($READLINK $READLINK_E -n "/dev/$VOLUME") || error "Cannot get readlink $1"
 	# use /dev/null as cache file to be sure about the result
-	FSTYPE=$($BLKID -c /dev/null -o value -s TYPE "$VOLUME") || error "Cannot get FSTYPE of \"$VOLUME\""
+	# use 'cut' to be compatible with older version of blkid that does not provide option '-o value'
+	FSTYPE=$($BLKID -c /dev/null -s TYPE "$VOLUME" | $CUT -d \" -f 2) || error "Cannot get FSTYPE of \"$VOLUME\""
 	verbose "\"$FSTYPE\" filesystem found on \"$VOLUME\""
 }
 
@@ -171,7 +174,15 @@ detect_mounted()  {
 
 # get the full size of device in bytes
 detect_device_size() {
-	DEVSIZE=$($BLOCKDEV --getsize64 "$VOLUME") || error "Cannot read device \"$VOLUME\""
+	# check if blockdev supports getsize64
+	$BLOCKDEV 2>&1 | $GREP getsize64 >/dev/null 
+	if test $? -eq 0; then 
+		DEVSIZE=$($BLOCKDEV --getsize64 "$VOLUME") || error "Cannot read size of device \"$VOLUME\""
+	else
+		DEVSIZE=$($BLOCKDEV --getsize "$VOLUME") || error "Cannot read size of device \"$VOLUME\""
+		SSSIZE=$($BLOCKDEV --getss "$VOLUME") || error "Cannot block size read device \"$VOLUME\""
+		DEVSIZE=$(($DEVSIZE * $SSSIZE))
+	fi
 }
 
 # round up $1 / $2
@@ -349,9 +360,10 @@ test -n "$FSADM_RUNNING" && exit 0
 test -n "$TUNE_EXT" -a -n "$RESIZE_EXT" -a -n "$TUNE_REISER" -a -n "$RESIZE_REISER" \
   -a -n "$TUNE_XFS" -a -n "$RESIZE_XFS" -a -n "$MOUNT" -a -n "$UMOUNT" -a -n "$MKDIR" \
   -a -n "$RMDIR" -a -n "$BLOCKDEV" -a -n "$BLKID" -a -n "$GREP" -a -n "$READLINK" \
-  -a -n "$FSCK" -a -n "$XFS_CHECK" -a -n "LVRESIZE" \
+  -a -n "$FSCK" -a -n "$XFS_CHECK" -a -n "LVRESIZE" -a -n "$CUT" \
   || error "Required command definitions in the script are missing!"
-$($READLINK -e -n / >/dev/null 2>&1) || error "$READLINK does not support options -e -n"
+
+$($READLINK -e -n / >/dev/null 2>&1) || READLINK_E="-f"
 TEST64BIT=$(( 1000 * 1000000000000 ))
 test $TEST64BIT -eq 1000000000000000 || error "Shell does not handle 64bit arithmetic"
 $(echo Y | $GREP Y >/dev/null) || error "Grep does not work properly"

scripts/lvm_dump.sh

@@ -206,7 +206,7 @@ if (( $metadata )); then
 
 	pvs="$("$LVM" pvs --separator , --noheadings --units s --nosuffix -o \
 	    name,pe_start 2>> "$log" | $SED -e 's/^ *//')"
-	for line in "$pvs"
+	for line in $pvs
 	do
 		test -z "$line" && continue
 		pv="$(echo $line | $CUT -d, -f1)"

test/Makefile.in

@@ -48,7 +48,7 @@ Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
 
 $(T): init.sh
 	@echo "*** $@ ***"; '$(SHELL_PATH_SQ)' \
-	  $(TESTS_ENVIRONMENT) $@ $(GIT_TEST_OPTS)
+	  $(TESTS_ENVIRONMENT) $@ $(LVM_TEST_OPTS)
 
 .bin-dir-stamp: lvm-wrapper
 	rm -rf bin
@@ -63,7 +63,7 @@ lvm-wrapper: Makefile
 	rm -f $@-t $@
 	echo '#!/bin/sh'                                          >  $@-t
 	test -n "@DMDIR@" \
-	  && echo 'export LD_LIBRARY_PATH="@DMDIR@/lib"'          >> $@-t
+	  && echo 'export LD_LIBRARY_PATH="@DMDIR@/lib:@DMDIR@/dmeventd"' >> $@-t
 	echo 'cmd=$$(echo ./$$0|sed "s,.*/,,")'                   >> $@-t
 	echo 'test "$$cmd" = lvm &&'                              >> $@-t
 	echo 'exec "$(abs_top_builddir)/tools/lvm" "$$@"'         >> $@-t
@@ -74,6 +74,8 @@ lvm-wrapper: Makefile
 clean:
 	rm -rf init.sh lvm-wrapper bin .bin-dir-stamp
 
+distclean: clean
+
 all: $(T)
-.PHONY: $(T) clean
+.PHONY: $(T) clean distclean
 .NOTPARALLEL:

test/lvm-utils.sh

@@ -1,7 +1,7 @@
 # Put lvm-related utilities here.
 # This file is sourced from test-lib.sh.
 
-# Copyright (C) 2007 Red Hat, Inc. All rights reserved.
+# Copyright (C) 2007, 2008 Red Hat, Inc. All rights reserved.
 #
 # This copyrighted material is made available to anyone wishing to use,
 # modify, copy, or redistribute it subject to the terms and conditions
@@ -52,38 +52,76 @@ loop_setup_()
 
 compare_vg_field_()
 {
+    local vg1=$1;
+    local vg2=$2;
+    local field=$3;
+    local val1;
+    local val2;
+
+    val1=$(vgs --noheadings -o $field $vg1)
+    val2=$(vgs --noheadings -o $field $vg2)
 if test "$verbose" = "t"
 then
-  echo "compare_vg_field_ VG1: `vgs --noheadings -o $3 $1` VG2: `vgs --noheadings -o $3 $2`"
+  echo "compare_vg_field_ VG1: $val1 VG2: $val2"
 fi
-  return $(test $(vgs --noheadings -o $3 $1) == $(vgs --noheadings -o $3 $2) )
+  return $(test $val1 == $val2 )
 }
 
 check_vg_field_()
 {
+    local vg=$1;
+    local field=$2;
+    local expected=$3;
+    local actual;
+
+    actual=$(vgs --noheadings -o $field $vg)
 if test "$verbose" = "t"
 then
-  echo "check_vg_field_ VG: $1 actual: `vgs --noheadings -o $2 $1` expected $3"
+  echo "check_vg_field_ VG=$vg, field=$field, actual=$actual, expected=$expected"
 fi
-  return $(test $(vgs --noheadings -o $2 $1) == $3)
+  return $(test $actual == $expected)
 }
 
 check_pv_field_()
 {
+    local pv=$1;
+    local field=$2;
+    local expected=$3;
+    local actual;
+
+    actual=$(pvs --noheadings -o $field $pv)
 if test "$verbose" = "t"
 then
-  echo "check_pv_field_ PV: $1 actual: `pvs --noheadings -o $2 $1` expected $3"
+  echo "check_pv_field_ PV=$pv, field=$field, actual=$actual, expected=$expected"
 fi
-  return $(test $(pvs --noheadings -o $2 $1) == $3)
+  return $(test $actual == $expected)
 }
 
 check_lv_field_()
 {
+    local lv=$1;
+    local field=$2;
+    local expected=$3;
+    local actual;
+
+    actual=$(lvs --noheadings -o $field $lv)
 if test "$verbose" = "t"
 then
-  echo "check_lv_field_ LV: $1 actual: `lvs --noheadings -o $2 $1` expected $3"
+  echo "check_lv_field_ LV=$lv, field=$field, actual=$actual, expected=$expected"
 fi
-  return $(test $(lvs --noheadings -o $2 $1) == $3)
+  return $(test $actual == $expected)
+}
+
+vg_validate_pvlv_counts_()
+{
+	local local_vg=$1
+	local num_pvs=$2
+	local num_lvs=$3
+	local num_snaps=$4
+
+	check_vg_field_ $local_vg pv_count $num_pvs &&
+	check_vg_field_ $local_vg lv_count $num_lvs &&
+	check_vg_field_ $local_vg snap_count $num_snaps
 }
 
 dmsetup_has_dm_devdir_support_()
@@ -100,7 +138,7 @@ init_root_dir_()
 {
   test -n "$test_dir_rand_" \
     || error "Internal error: called init_root_dir_ before" \
-      " defining $test_dir_rand_"
+      "defining \$test_dir_rand_"
 
   # Define these two globals.
   G_root_=$test_dir_rand_/root
@@ -110,10 +148,20 @@ init_root_dir_()
   export DM_DEV_DIR=$G_dev_
 
   # Only the first caller does anything.
-  mkdir -p $G_root_/etc $G_dev_ $G_dev_/mapper
+  mkdir -p $G_root_/etc $G_dev_ $G_dev_/mapper $G_root_/lib
   for i in 0 1 2 3 4 5 6 7; do
     mknod $G_root_/dev/loop$i b 7 $i
   done
+  for i in $abs_top_builddir/dmeventd/mirror/*.so $abs_top_builddir/dmeventd/snapshot/*.so
+  do
+    # NOTE: This check is necessary because the loop above will give us the value
+    # "$abs_top_builddir/dmeventd/mirror/*.so" if no files ending in 'so' exist.
+    # This is the best way I could quickly determine to skip over this bogus value.
+    if [ -f $i ]; then
+      echo Setting up symlink from $i to $G_root_/lib
+      ln -s $i $G_root_/lib
+    fi
+  done
   cat > $G_root_/etc/lvm.conf <<-EOF
   devices {
     dir = "$G_dev_"
@@ -122,6 +170,18 @@ init_root_dir_()
     cache_dir = "$G_root_/etc"
     sysfs_scan = 0
   }
+  log {
+    verbose = $verboselevel
+    syslog = 0
+    indent = 1
+  }
+  backup {
+    backup = 0
+    archive = 0
+  }
+  global {
+    library_dir = "$G_root_/lib"
+  }
 EOF
 }
 

test/t-000-basic.sh

@@ -32,4 +32,9 @@ test_expect_success \
   'ensure they are the same' \
   'diff -u actual expected'
 
+# Need mdadm for some pvcreate tests
+test_expect_success \
+  'verify mdadm is installed and in path (needed for pvcreate tests)' \
+  'which mdadm'
+
 test_done

test/t-covercmd.sh

@@ -0,0 +1,99 @@
+#!/bin/sh
+# Copyright (C) 2007 Red Hat, Inc. All rights reserved.
+#
+# This copyrighted material is made available to anyone wishing to use,
+# modify, copy, or redistribute it subject to the terms and conditions
+# of the GNU General Public License v.2.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+#
+# tests basic functionality of read-ahead and ra regressions
+#
+
+test_description='Test coverage'
+privileges_required_=1
+
+. ./test-lib.sh
+
+cleanup_()
+{
+  vgremove -f "$vg" 2>/dev/null || true
+  test -n "$d1" && losetup -d "$d1"
+  test -n "$d2" && losetup -d "$d2"
+  test -n "$d3" && losetup -d "$d3"
+  test -n "$d4" && losetup -d "$d4"
+  test -n "$d5" && losetup -d "$d5"
+  rm -f "$f1" "$f2" "$f3" "$f4" "$f5"
+}
+
+get_lvs_()
+{
+  case $(lvs --units s --nosuffix --noheadings -o $1_read_ahead "$vg"/"$lv") in
+    *$2) true ;;
+    *) false ;;
+  esac
+}
+
+test_expect_success "set up temp files, loopback devices" \
+  'f1=$(pwd)/1 && d1=$(loop_setup_ "$f1") &&
+   f2=$(pwd)/2 && d2=$(loop_setup_ "$f2") &&
+   f3=$(pwd)/3 && d3=$(loop_setup_ "$f3") &&
+   f4=$(pwd)/4 && d4=$(loop_setup_ "$f4") &&
+   f5=$(pwd)/5 && d5=$(loop_setup_ "$f5") &&
+   vg=$(this_test_)-test-vg-$$            &&
+   lv=$(this_test_)-test-lv-$$
+   pvcreate "$d1"                                    &&
+   pvcreate --metadatacopies 0 "$d2"                 &&
+   pvcreate --metadatacopies 0 "$d3"                 &&
+   pvcreate "$d4"                                    &&
+   pvcreate --metadatacopies 0 "$d5"                 &&
+   vgcreate -c n "$vg" "$d1" "$d2" "$d3" "$d4" "$d5" &&
+   lvcreate -n "$lv" -l 1%FREE -i5 -I256 "$vg"'
+
+test_expect_success "test *scan and *display tools" \
+  'pvscan              &&
+   vgscan              &&
+   lvscan              &&
+   lvmdiskscan         &&
+   vgdisplay --units k &&
+   lvdisplay --units g &&
+   for i in b k m g t p e H B K M G T P E ; do \
+     pvdisplay --units "$i" "$d1" || return $? ; done'
+
+test_expect_success "test vgexport vgimport tools" \
+  'vgchange -an "$vg"  &&
+   vgexport "$vg"      &&
+   vgimport "$vg"      &&
+   vgchange -ay "$vg"'
+
+# "-persistent y --major 254 --minor 20"
+# "-persistent n"
+test_expect_success "test various lvm utils" \
+  'for i in dumpconfig formats segtypes 
+     do lvm "$i" || return $? ; done                 &&
+   for i in pr "p rw" an ay "-monitor y" "-monitor n" \
+     -resync -refresh "-addtag MYTAG" "-deltag MYETAG"
+     do lvchange -$i "$vg"/"$lv" || return $? ; done &&
+   pvck "$d1"                                        &&
+   vgck "$vg"                                        &&
+   lvrename "$vg" "$lv" "$lv-rename"                 &&
+   vgcfgbackup -f "$(pwd)/backup.$$" "$vg"           &&
+   vgchange -an "$vg"                                &&
+   vgcfgrestore  -f "$(pwd)/backup.$$" "$vg"         &&
+   vgremove -f "$vg"                                 &&
+   pvresize --setphysicalvolumesize 10M "$d1"'
+
+test_expect_failure "test various errors and obsoleted tools" \
+  'lvmchange          ||
+   lvrename "$vg"     ||
+   lvrename "$vg-xxx" ||
+   lvrename "$vg"  "$vg"/"$lv-rename" "$vg"/"$lv"'
+
+test_done
+
+# Local Variables:
+# indent-tabs-mode: nil
+# End:

test/t-lvcreate-usage.sh

@@ -36,6 +36,15 @@ test_expect_success \
 
 lv=lvcreate-usage-$$
 
+test_expect_success \
+  "lvcreate rejects repeated invocation (run 2 times)" '
+   lvcreate -n $lv -l 4 $vg && 
+   { lvcreate -n $lv -l 4 $vg;
+     status=$?; echo status=$status; test $status = 5 &&
+     lvremove -ff $vg/$lv
+   }
+'
+
 test_expect_success \
   'lvcreate rejects a negative stripe_size' \
   'lvcreate -L 64M -n $lv -i2 --stripesize -4 $vg 2>err;

test/t-lvmcache-exercise.sh

@@ -0,0 +1,61 @@
+#!/bin/sh
+# Copyright (C) 2007 Red Hat, Inc. All rights reserved.
+#
+# This copyrighted material is made available to anyone wishing to use,
+# modify, copy, or redistribute it subject to the terms and conditions
+# of the GNU General Public License v.2.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+test_description='Test lvmcache operation'
+privileges_required_=1
+
+. ./test-lib.sh
+
+cleanup_()
+{
+  test -n "$d1" && losetup -d "$d1"
+  test -n "$d2" && losetup -d "$d2"
+  test -n "$d3" && losetup -d "$d3"
+  test -n "$d4" && losetup -d "$d4"
+  test -n "$d5" && losetup -d "$d5"
+  rm -f "$f1" "$f2" "$f3" "$f4" "$f5"
+}
+
+# FIXME: paramaterize lvm1 vs lvm2 metadata; most of these tests should run
+# fine with lvm1 metadata as well; for now, just add disks 5 and 6 as lvm1
+# metadata
+test_expect_success \
+  'set up temp files, loopback devices, PVs, vgnames' \
+  'f1=$(pwd)/1 && d1=$(loop_setup_ "$f1") &&
+   f2=$(pwd)/2 && d2=$(loop_setup_ "$f2") &&
+   f3=$(pwd)/3 && d3=$(loop_setup_ "$f3") &&
+   f4=$(pwd)/4 && d4=$(loop_setup_ "$f4") &&
+   f5=$(pwd)/5 && d5=$(loop_setup_ "$f5") &&
+   vg1=$(this_test_)-test-vg1-$$          &&
+   vg2=$(this_test_)-test-vg2-$$          &&
+   lv1=$(this_test_)-test-lv1-$$          &&
+   lv2=$(this_test_)-test-lv2-$$          &&
+   lv3=$(this_test_)-test-lv3-$$          &&
+   pvcreate $d1 $d2 $d3 $d4 $d5'
+
+#
+# Duplicate vg name should cause warnings (but not segfault!)
+#
+test_expect_success \
+  "Duplicate vg name might cause warnings but should succeed" \
+  'vgcreate $vg1 $d1 &&
+   vgcreate $vg2 $d3 &&
+   losetup -d $d1 &&
+   vgcreate $vg1 $d2 &&
+   losetup $d1 $f1 &&
+   pvs &&
+   pvs'
+
+test_done
+
+# Local Variables:
+# indent-tabs-mode: nil
+# End:

test/t-lvresize-usage.sh

@@ -1,5 +1,5 @@
 #!/bin/sh
-# Copyright (C) 2007 Red Hat, Inc. All rights reserved.
+# Copyright (C) 2007-2008 Red Hat, Inc. All rights reserved.
 #
 # This copyrighted material is made available to anyone wishing to use,
 # modify, copy, or redistribute it subject to the terms and conditions

test/t-metadata.sh

@@ -0,0 +1,68 @@
+#!/bin/sh
+# Copyright (C) 2007 Red Hat, Inc. All rights reserved.
+#
+# This copyrighted material is made available to anyone wishing to use,
+# modify, copy, or redistribute it subject to the terms and conditions
+# of the GNU General Public License v.2.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+#
+# tests basic functionality of read-ahead and ra regressions
+#
+
+test_description='Test --metadatatype 1'
+privileges_required_=1
+
+. ./test-lib.sh
+
+cleanup_()
+{
+   vgremove -f "$vg"
+   test -n "$d1" && losetup -d "$d1"
+   test -n "$d2" && losetup -d "$d2"
+   test -n "$d3" && losetup -d "$d3"
+   test -n "$d4" && losetup -d "$d4"
+   test -n "$d5" && losetup -d "$d5"
+   rm -f "$f1" "$f2" "$f3" "$f4" "$f5"
+}
+
+test_expect_success "set up temp files, loopback devices" \
+  'f1=$(pwd)/1 && d1=$(loop_setup_ "$f1") &&
+   f2=$(pwd)/2 && d2=$(loop_setup_ "$f2") &&
+   f3=$(pwd)/3 && d3=$(loop_setup_ "$f3") &&
+   f4=$(pwd)/4 && d4=$(loop_setup_ "$f4") &&
+   f5=$(pwd)/5 && d5=$(loop_setup_ "$f5") &&
+   vg=$(this_test_)-test-vg-$$            &&
+   lv=$(this_test_)-test-lv-$$
+   pvcreate "$d1"                                    &&
+   pvcreate --metadatacopies 0 "$d2"                 &&
+   pvcreate --metadatacopies 0 "$d3"                 &&
+   pvcreate "$d4"                                    &&
+   pvcreate --metadatacopies 0 "$d5"                 &&
+   vgcreate -c n "$vg" "$d1" "$d2" "$d3" "$d4" "$d5" &&
+   lvcreate -n "$lv" -l 1%FREE -i5 -I256 "$vg"'
+
+test_expect_success "test medatasize 0" \
+  'pvchange -x n "$d1"   &&
+   pvchange -x y "$d1"   &&
+   vgchange -a n "$vg"   &&
+   pvchange --uuid "$d1" &&
+   pvchange --uuid "$d2" &&
+   vgremove -f "$vg"'
+
+
+test_expect_success "test metadatatype 1" \
+  'pvcreate -M1 "$d1"    &&
+   pvcreate -M1 "$d2"    &&
+   pvcreate -M1 "$d3"    &&
+   vgcreate -M1 "$vg" "$d1" "$d2" "$d3" &&
+   pvchange --uuid "$d1"'
+
+test_done
+
+# Local Variables:
+# indent-tabs-mode: nil
+# End:

test/t-mirror-lvconvert.sh

@@ -387,6 +387,16 @@ test_expect_success "remove from original mirror (the original becomes linear)"
    mirrorlog_is_on_ $vg/$lv1 $(pv_ 3) &&
    check_and_cleanup_lvs_'
 
+test_expect_success "rhbz440405: lvconvert -m0 incorrectly fails if all PEs allocated" \
+  'prepare_lvs_ &&
+   lvcreate -l`pvs --noheadings -ope_count $(pv_ 1)` -m1 -n $lv1 $vg $(pv_ 1) $(pv_ 2) $(pv_ 3):0 &&
+   check_mirror_count_ $vg/$lv1 2 &&
+   check_mirror_log_ $vg/$lv1 &&
+   lvconvert -m0 $vg/$lv1 $(pv_ 1) &&
+   check_no_tmplvs_ $vg/$lv1 &&
+   check_mirror_count_ $vg/$lv1 1 &&
+   check_and_cleanup_lvs_'
+
 # ---------------------------------------------------------------------
 
 test_done