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Huaisheng Ye 62421b3880 dm writecache: add unlikely for getting two block with same LBA 
In function writecache_writeback, entries g and f has same original
sector only happens at entry f has been committed, but entry g has
NOT yet.

The probability of this happening is very low in the following
256 blocks at most of entry e.

Signed-off-by: Huaisheng Ye <yehs1@lenovo.com>
Acked-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
2019-08-26 10:54:41 -04:00
arch
Merge tag 'riscv/for-v5.3-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
2019-08-10 16:31:47 -07:00
block
block, bfq: handle NULL return value by bfq_init_rq()
2019-08-08 07:31:50 -06:00
certs
Revert "Merge tag 'keys-acl-20190703' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs"
2019-07-10 18:43:43 -07:00
crypto
Merge tag 'usb-5.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
2019-07-11 15:40:06 -07:00
Documentation
dm verity: add root hash pkcs#7 signature verification
2019-08-23 10:13:14 -04:00
drivers
dm writecache: add unlikely for getting two block with same LBA
2019-08-26 10:54:41 -04:00
fs
Merge tag 'dax-fixes-5.3-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
2019-08-11 13:15:10 -07:00
include
Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
2019-08-09 15:46:29 -07:00
init
Merge branch 'work.mount0' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2019-07-19 10:42:02 -07:00
ipc
Merge branch 'work.mount0' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2019-07-19 10:42:02 -07:00
kernel
Merge branch 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2019-08-10 15:48:02 -07:00
lib
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2019-08-06 17:11:59 -07:00
LICENSES
LICENSES: Rename other to deprecated
2019-05-03 06:34:32 -06:00
mm
mm/memremap: Fix reuse of pgmap instances with internal references
2019-08-09 14:16:15 -07:00
net
net: dsa: sja1105: Fix memory leak on meta state machine error path
2019-08-06 14:37:02 -07:00
samples
treewide: remove SPDX "WITH Linux-syscall-note" from kernel-space headers again
2019-07-25 11:05:10 +02:00
scripts
kbuild: show hint if subdir-y/m is used to visit module Makefile
2019-08-10 01:45:31 +09:00
security
Merge tag 'selinux-pr-20190801' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux
2019-08-02 18:40:49 -07:00
sound
Merge tag 'sound-5.3-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
2019-08-09 09:21:27 -07:00
tools
Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2019-08-10 16:19:02 -07:00
usr
kbuild: enable arch/s390/include/uapi/asm/zcrypt.h for uapi header test
2019-07-23 10:45:46 +02:00
virt
Merge tag 'kvmarm-fixes-for-5.3-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD
2019-08-09 16:53:50 +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
scripts: add Linux .cocciconfig for coccinelle
2016-07-22 12:13:39 +02:00
.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: Add compilation database file
2019-07-27 12:18:19 +09:00
.mailmap
MAINTAINERS: Update my email address
2019-07-22 14:57:50 +01:00
COPYING
COPYING: use the new text with points to the license files
2018-03-23 12:41:45 -06:00
CREDITS
Remove references to dead website.
2019-07-19 12:22:04 -07:00
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
docs: kbuild: convert docs to ReST and rename to *.rst
2019-06-14 14:21:21 -06:00
MAINTAINERS
Merge tag 'char-misc-5.3-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
2019-08-10 12:24:20 -07:00
Makefile
Linux 5.3-rc4
2019-08-11 13:26:41 -07:00
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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