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lvm2/lib/Makefile.in
David Teigland 9048565093 devices: rework libudev usage
related to config settings:
  obtain_device_info_from_udev (controls if lvm gets
    a list of devices from readdir /dev or from libudev)
  external_device_info_source (controls if lvm asks
    libudev for device information)

. Make the obtain_device_list_from_udev setting
  affect only the choice of readdir /dev vs libudev.
  The setting no longer controls if udev is used for
  device type checks.

. Change obtain_device_list_from_udev default to 0.
  This helps avoid boot timeouts due to slow libudev
  queries, avoids reported failures from
  udev_enumerate_scan_devices, and avoids delays from
  "device not initialized in udev database" errors.
  Even without errors, for a system booting with 1024 PVs,
  lvm2-pvscan times improve from about 100 sec to 15 sec,
  and the pvscan command from about 64 sec to about 4 sec.

. For external_device_info_source="none", remove all
  libudev device info queries, and use only lvm
  native device info.

. For external_device_info_source="udev", first check
  lvm native device info, then check libudev info.

. Remove sleep/retry loop when attempting libudev
  queries for device info.  udev info will simply
  be skipped if it's not immediately available.

. Only set up a libdev connection if it will be used by
  obtain_device_list_from_udev/external_device_info_source.

. For native multipath component detection, use
  /etc/multipath/wwids.  If a device has a wwid
  matching an entry in the wwids file, then it's
  considered a multipath component.  This is
  necessary to natively detect multipath
  components when the mpath device is not set up.
2021-07-13 11:11:23 -05:00

149 lines
3.3 KiB
Makefile

#
# Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
# Copyright (C) 2004-2014 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 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
srcdir = @srcdir@
top_srcdir = @top_srcdir@
top_builddir = @top_builddir@
abs_srcdir = @abs_srcdir@
SOURCES =\
activate/activate.c \
cache/lvmcache.c \
writecache/writecache.c \
integrity/integrity.c \
cache_segtype/cache.c \
commands/toolcontext.c \
config/config.c \
datastruct/btree.c \
datastruct/str_list.c \
device/bcache.c \
device/bcache-utils.c \
device/dev-cache.c \
device/device_id.c \
device/dev-ext.c \
device/dev-io.c \
device/dev-md.c \
device/dev-mpath.c \
device/dev-swap.c \
device/dev-type.c \
device/dev-luks.c \
device/dev-dasd.c \
device/dev-lvm1-pool.c \
display/display.c \
error/errseg.c \
unknown/unknown.c \
filters/filter-composite.c \
filters/filter-persistent.c \
filters/filter-regex.c \
filters/filter-sysfs.c \
filters/filter-md.c \
filters/filter-fwraid.c \
filters/filter-mpath.c \
filters/filter-partitioned.c \
filters/filter-type.c \
filters/filter-usable.c \
filters/filter-internal.c \
filters/filter-signature.c \
filters/filter-deviceid.c \
format_text/archive.c \
format_text/archiver.c \
format_text/export.c \
format_text/flags.c \
format_text/format-text.c \
format_text/import.c \
format_text/import_vsn1.c \
format_text/text_label.c \
freeseg/freeseg.c \
label/label.c \
label/hints.c \
locking/file_locking.c \
locking/locking.c \
log/log.c \
metadata/cache_manip.c \
metadata/writecache_manip.c \
metadata/integrity_manip.c \
metadata/lv.c \
metadata/lv_manip.c \
metadata/merge.c \
metadata/metadata.c \
metadata/mirror.c \
metadata/pool_manip.c \
metadata/pv.c \
metadata/pv_list.c \
metadata/pv_manip.c \
metadata/pv_map.c \
metadata/raid_manip.c \
metadata/segtype.c \
metadata/snapshot_manip.c \
metadata/thin_manip.c \
metadata/vdo_manip.c \
metadata/vg.c \
mirror/mirrored.c \
misc/crc.c \
misc/lvm-exec.c \
misc/lvm-file.c \
misc/lvm-flock.c \
misc/lvm-globals.c \
misc/lvm-maths.c \
misc/lvm-signal.c \
misc/lvm-string.c \
misc/lvm-wrappers.c \
misc/lvm-percent.c \
misc/sharedlib.c \
mm/memlock.c \
notify/lvmnotify.c \
properties/prop_common.c \
raid/raid.c \
report/properties.c \
report/report.c \
snapshot/snapshot.c \
striped/striped.c \
thin/thin.c \
uuid/uuid.c \
zero/zero.c
ifeq ("@DEVMAPPER@", "yes")
SOURCES +=\
activate/dev_manager.c \
activate/fs.c
endif
ifeq ("@BUILD_LVMPOLLD@", "yes")
SOURCES +=\
lvmpolld/lvmpolld-client.c
endif
ifeq ("@BUILD_LVMLOCKD@", "yes")
SOURCES +=\
locking/lvmlockd.c
endif
ifeq ("@VDO@", "internal")
SOURCES += vdo/vdo.c
endif
LIB_NAME = liblvm-internal
LIB_STATIC = $(LIB_NAME).a
CFLOW_LIST = $(SOURCES)
CFLOW_LIST_TARGET = $(LIB_NAME).cflow
PROGS_CFLAGS = $(BLKID_CFLAGS) $(UDEV_CFLAGS)
include $(top_builddir)/make.tmpl
$(SUBDIRS): $(LIB_STATIC)
CLEAN_TARGETS += misc/configure.h misc/lvm-version.h