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Mikulas Patocka 6fbeb0048e dm bufio: implement discard 
Add functions dm_bufio_issue_discard and dm_bufio_discard_buffers.
dm_bufio_issue_discard sends discard request to the underlying device.
dm_bufio_discard_buffers frees buffers in the range and then calls
dm_bufio_issue_discard.

Also, factor out block_to_sector for reuse in dm_bufio_issue_discard.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
2020-05-15 10:29:35 -04:00
arch
Merge tag 'x86-urgent-2020-05-10' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2020-05-10 11:59:53 -07:00
block
bdi: use bdi_dev_name() to get device name
2020-05-09 16:07:39 -06:00
certs
.gitignore: add SPDX License Identifier
2020-03-25 11:50:48 +01:00
crypto
gcc-10: avoid shadowing standard library 'free()' in crypto
2020-05-09 15:58:04 -07:00
Documentation
dm: add emulated block size target
2020-05-15 10:29:35 -04:00
drivers
dm bufio: implement discard
2020-05-15 10:29:35 -04:00
fs
Merge tag 'block-5.7-2020-05-09' of git://git.kernel.dk/linux-block
2020-05-10 11:16:07 -07:00
include
dm bufio: implement discard
2020-05-15 10:29:35 -04:00
init
gcc-10: mark more functions __init to avoid section mismatch warnings
2020-05-09 17:50:03 -07:00
ipc
ipc/mqueue.c: change __do_notify() to bypass check_kill_permission()
2020-05-07 19:27:20 -07:00
kernel
Stop the ad-hoc games with -Wno-maybe-initialized
2020-05-09 13:57:10 -07:00
lib
ubsan: disable UBSAN_ALIGNMENT under COMPILE_TEST
2020-05-07 19:27:21 -07:00
LICENSES
LICENSES: Rename other to deprecated
2019-05-03 06:34:32 -06:00
mm
Merge tag 'block-5.7-2020-05-09' of git://git.kernel.dk/linux-block
2020-05-10 11:16:07 -07:00
net
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2020-05-06 20:53:22 -07:00
samples
tracing: Fix doc mistakes in trace sample
2020-05-07 13:32:57 -04:00
scripts
scripts/gdb: repair rb_first() and rb_last()
2020-05-07 19:27:20 -07:00
security
Merge tag 'selinux-pr-20200430' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux
2020-04-30 16:35:45 -07:00
sound
Merge tag 'sound-5.7-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
2020-05-01 11:05:28 -07:00
tools
Merge tag 'x86-urgent-2020-05-10' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2020-05-10 11:59:53 -07:00
usr
kbuild: fix comment about missing include guard detection
2020-04-11 12:09:48 +09:00
virt
KVM: arm64: Fix 32bit PC wrap-around
2020-05-01 09:51:08 +01:00
.clang-format
clang-format: Update with the latest for_each macro list
2020-04-18 13:49:33 +02:00
.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: use 'dts' diff driver for dts files
2019-12-04 19:44:11 -08:00
.gitignore
.gitignore: add SPDX License Identifier
2020-03-25 11:50:48 +01:00
.mailmap
mailmap: Add Sedat Dilek (replacement for expired email address)
2020-04-11 09:28:34 -07:00
COPYING
COPYING: state that all contributions really are covered by this file
2020-02-10 13:32:20 -08:00
CREDITS
MAINTAINERS: Hand MIPS over to Thomas
2020-02-24 22:43:18 -08:00
Kbuild
kbuild: rename hostprogs-y/always to hostprogs/always-y
2020-02-04 01:53:07 +09:00
Kconfig
docs: kbuild: convert docs to ReST and rename to *.rst
2019-06-14 14:21:21 -06:00
MAINTAINERS
Merge tag 'ceph-for-5.7-rc5' of git://github.com/ceph/ceph-client
2020-05-08 10:27:00 -07:00
Makefile
Linux 5.7-rc5
2020-05-10 15:16:58 -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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