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Alasdair G Kergon 366493a1d1 device: Suppress repeated reads of the same data.
If the data being requested is present in last_[extra_]devbuf,
return that directly instead of reading it from disk again.

Typical LVM2 access patterns request data within two adjacent 4k blocks
so we eliminate some read() system calls by always reading at least 8k.
2018-01-10 15:52:03 +00:00
autoconf autoconf: Fix py-compile permissions 2016-02-18 01:05:05 +00:00
conf regenerate man and conf 2017-11-15 01:05:07 +00:00
coverity coverity: model few more functions 2017-06-27 12:17:16 +02:00
daemons lvmdbusd: Make lvmdbusd executable 2017-12-14 16:45:53 +01:00
doc docs: Refresh kernel target docs 2017-07-12 18:59:52 +01:00
include replicator: remove the code 2017-10-13 16:20:42 -05:00
lib device: Suppress repeated reads of the same data. 2018-01-10 15:52:03 +00:00
libdaemon tidy: Add missing underscores to statics. 2017-10-18 15:58:13 +01:00
libdm libdm: Introduce dm_malloc_aligned 2018-01-10 15:48:03 +00:00
liblvm lvm2app: Suppress deprecation warnings for our builds 2017-12-14 16:45:53 +01:00
man man lvmlockd: remove lv resizing comment 2018-01-10 09:17:57 -06:00
nix lockd: Clean up spec 2015-07-04 14:36:57 +02:00
old-tests doc: change fsf address 2016-01-21 12:11:37 +01:00
po doc: change fsf address 2016-01-21 12:11:37 +01:00
python lvm2app: Suppress deprecation warnings for our builds 2017-12-14 16:45:53 +01:00
report-generators doc: change fsf address 2016-01-21 12:11:37 +01:00
reports [REPORT-GENERATORS] cut down stylsheet.css to what we actually use 2010-07-21 10:00:38 +00:00
scripts shellcheck: fsadm cleanup 2017-11-07 21:26:11 +01:00
spec spec: Enable notify-dbus in builds with dbus 2017-05-26 07:40:09 +02:00
test tests: sleep first 2017-12-19 15:28:07 +01:00
tools lvmlockd: print warning when skipping locking 2018-01-09 11:46:00 -06:00
udev udev: also create /dev/disk/by-part{label,uuid} and gpt-auto-root symlinks 2017-07-10 12:36:39 +02:00
unit-tests doc: change fsf address 2016-01-21 12:11:37 +01:00
.gitignore lvmdbus: Add new daemon. 2016-02-17 23:53:35 +00:00
acinclude.m4 configure: just move new macro to right file 2016-12-13 22:49:59 +01:00
aclocal.m4 configure: just move new macro to right file 2016-12-13 22:49:59 +01:00
configure lvmdbusd: All tools use detected python3 2017-12-12 13:17:07 +01:00
configure.in lvmdbusd: All tools use detected python3 2017-12-12 13:17:07 +01:00
COPYING doc: change fsf address 2016-01-21 12:11:37 +01:00
COPYING.LIB Fix inconsistent licence notices: executables are GPLv2; libraries LGPLv2.1. 2007-08-20 20:55:30 +00:00
INSTALL quick review of docs 2008-11-04 17:49:22 +00:00
make.tmpl.in lvm2app: Suppress deprecation warnings for our builds 2017-12-14 16:45:53 +01:00
Makefile.in man: Revise internal man page generation process. 2017-03-14 00:47:46 +00:00
README README: Include new github links 2017-09-13 20:20:04 +01:00
TESTING docs: Add TESTING file 2017-12-14 16:45:47 +01:00
VERSION post-release 2017-12-18 20:43:09 +00:00
VERSION_DM post-release 2017-12-18 20:43:09 +00:00
WHATS_NEW device: Suppress repeated reads of the same data. 2018-01-10 15:52:03 +00:00
WHATS_NEW_DM libdm: Introduce dm_malloc_aligned 2018-01-10 15:48:03 +00:00

This tree contains the LVM2 and device-mapper tools and libraries.

For more information about LVM2 read the changelog in the WHATS_NEW file.
Installation instructions are in INSTALL.

There is no warranty - see COPYING and COPYING.LIB.

Tarballs are available from:
  ftp://sourceware.org/pub/lvm2/
  ftp://sources.redhat.com/pub/lvm2/
  https://github.com/lvmteam/lvm2/releases

The source code is stored in git:
  https://sourceware.org/git/?p=lvm2.git
  git clone git://sourceware.org/git/lvm2.git
mirrored to:
  https://github.com/lvmteam/lvm2
  git clone https://github.com/lvmteam/lvm2.git
  git clone git@github.com:lvmteam/lvm2.git

Mailing list for general discussion related to LVM2:
  linux-lvm@redhat.com
  Subscribe from https://www.redhat.com/mailman/listinfo/linux-lvm

Mailing lists for LVM2 development, patches and commits:
  lvm-devel@redhat.com
  Subscribe from https://www.redhat.com/mailman/listinfo/lvm-devel

  lvm2-commits@lists.fedorahosted.org (Read-only archive of commits)
  Subscribe from https://fedorahosted.org/mailman/listinfo/lvm2-commits

Mailing list for device-mapper development, including kernel patches
and multipath-tools:
  dm-devel@redhat.com
  Subscribe from https://www.redhat.com/mailman/listinfo/dm-devel

Website:
  https://sourceware.org/lvm2/

Report upstream bugs at:
  https://bugzilla.redhat.com/enter_bug.cgi?product=LVM%20and%20device-mapper
or open issues at:
  https://github.com/lvmteam/lvm2/issues

The source code repository used until 7th June 2012 is accessible here:
  http://sources.redhat.com/cgi-bin/cvsweb.cgi/LVM2/?cvsroot=lvm2.