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Mike Snitzer 3ee25485ba dm snapshot: fix oversights in optional discard support 
__find_snapshots_sharing_cow() should always be used with _origins_lock
held so fix snapshot_io_hints() accordingly.  Also, once a snapshot is
being merged discards must not be allowed -- otherwise incorrect or
duplicate work will be performed.

Fixes: 2e6023850e ("dm snapshot: add optional discard support features")
Reported-by: Nikos Tsironis <ntsironis@arrikto.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
2019-07-17 11:12:30 -04:00
arch
Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2019-06-16 07:28:14 -10:00
block
blk-mq: remove WARN_ON(!q->elevator) from blk_mq_sched_free_requests
2019-06-13 03:05:58 -06:00
certs
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 36
2019-05-24 17:27:11 +02:00
crypto
Merge tag 'spdx-5.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
2019-06-08 12:52:42 -07:00
Documentation
dm snapshot: add optional discard support features
2019-07-12 09:59:36 -04:00
drivers
dm snapshot: fix oversights in optional discard support
2019-07-17 11:12:30 -04:00
fs
Merge tag 'gfs2-v5.2.fixes2' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2
2019-06-14 17:27:12 -10:00
include
Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2019-06-16 07:28:14 -10:00
init
Merge tag 'char-misc-5.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
2019-06-08 12:50:36 -07:00
ipc
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 441
2019-06-05 17:37:17 +02:00
kernel
Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2019-06-16 07:22:56 -10:00
lib
lib/genalloc: introduce chunk owners
2019-06-13 17:34:56 -10:00
LICENSES
LICENSES: Rename other to deprecated
2019-05-03 06:34:32 -06:00
mm
Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2019-06-16 07:28:14 -10:00
net
Merge tag 'spdx-5.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
2019-06-08 12:52:42 -07:00
samples
Merge tag 'spdx-5.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
2019-06-08 12:52:42 -07:00
scripts
scripts/decode_stacktrace.sh: prefix addr2line with $CROSS_COMPILE
2019-06-13 17:34:56 -10:00
security
Smack: Restore the smackfsdef mount option and add missing prefixes
2019-06-14 14:25:04 -10:00
sound
Merge tag 'sound-5.2-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
2019-06-14 05:37:06 -10:00
tools
mm/devm_memremap_pages: fix final page put race
2019-06-13 17:34:56 -10:00
usr
user/Makefile: Fix typo and capitalization in comment section
2018-12-11 00:18:03 +09:00
virt
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 333
2019-06-05 17:37:06 +02:00
.clang-format
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2019-04-17 11:26:25 -07:00
.cocciconfig
…
.get_maintainer.ignore
Opt out of scripts/get_maintainer.pl
2019-05-16 10:53:40 -07:00
.gitattributes
.gitattributes: set git diff driver for C source code files
2016-10-07 18:46:30 -07:00
.gitignore
.gitignore: exclude .get_maintainer.ignore and .gitattributes
2019-05-18 11:49:54 +09:00
.mailmap
Merge tag 'docs-5.2' of git://git.lwn.net/linux
2019-05-08 12:42:50 -07:00
COPYING
COPYING: use the new text with points to the license files
2018-03-23 12:41:45 -06:00
CREDITS
MAINTAINERS: Farewell Martin Schwidefsky
2019-05-31 10:14:11 +02:00
Kbuild
Merge tag 'kbuild-v5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
2019-03-10 17:48:21 -07:00
Kconfig
kconfig: move the "Executable file formats" menu to fs/Kconfig.binfmt
2018-08-02 08:06:55 +09:00
MAINTAINERS
Merge branch 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
2019-06-08 12:48:49 -07:00
Makefile
Linux 5.2-rc5
2019-06-16 08:49:45 -10:00
README
Drop all 00-INDEX files from Documentation/
2018-09-09 15:08:58 -06:00

README 

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.
Description
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