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Pavel Begunkov b600455d84 block: optimise blk_flush_plug_list

Don't call flush_plug_callbacks if there are no plug callbacks.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
[hch: split from a larger patch]
Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20211020144119.142582-4-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>

2021-10-20 09:56:11 -06:00

arch

block: switch polling to be bio based

2021-10-18 06:17:36 -06:00

block

block: optimise blk_flush_plug_list

2021-10-20 09:56:11 -06:00

certs

certs: Add support for using elliptic curve keys for signing modules

2021-08-23 19:55:42 +03:00

crypto

Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6

2021-08-30 12:57:10 -07:00

Documentation

Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost

2021-10-17 18:17:19 -10:00

drivers

nvme: loop: clear NVME_CTRL_ADMIN_Q_STOPPED after admin queue is reallocated

2021-10-19 18:27:58 -06:00

io_uring: utilize the io batching infrastructure for more efficient polled IO

2021-10-18 14:40:46 -06:00

include

blk-mq: move blk_mq_flush_plug_list to block/blk-mq.h

2021-10-20 09:56:11 -06:00

init

block: move elevator.h to block/

2021-10-18 06:17:01 -06:00

ipc

ipc: remove memcg accounting for sops objects in do_semtimedop()

2021-09-14 10:22:11 -07:00

kernel

block: don't call blk_status_to_errno in blk_update_request

2021-10-19 05:54:57 -06:00

lib

sbitmap: add helper to clear a batch of tags

2021-10-18 14:40:42 -06:00

LICENSES

LICENSES/dual/CC-BY-4.0: Git rid of "smart quotes"

2021-07-15 06:31:24 -06:00

block: add a struct io_comp_batch argument to fops->iopoll()

2021-10-18 14:40:40 -06:00

net

icmp: fix icmp_ext_echo_iio parsing in icmp_build_probe

2021-10-14 07:54:47 -07:00

samples

samples/bpf: Relicense bpf_insn.h as GPL-2.0-only OR BSD-2-Clause

2021-09-29 16:03:55 +02:00

scripts

Merge tag 'trace-v5.15-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace

2021-10-16 10:51:41 -07:00

security

Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/

2021-10-07 12:44:41 +01:00

sound

ALSA: usb-audio: Add quirk for VF0770

2021-10-12 22:13:11 +02:00

tools

Merge tag 'objtool_urgent_for_v5.15_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

2021-10-17 17:41:39 -10:00

usr

.gitignore: prefix local generated files with a slash

2021-05-02 00:43:35 +09:00

virt

KVM: Remove tlbs_dirty

2021-09-23 11:01:12 -04:00

.clang-format

clang-format: Update with the latest for_each macro list

2021-05-12 23:32:39 +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: ignore only top-level modules.builtin

2021-05-02 00:43:35 +09:00

.mailmap

mailmap: update email address of Matthias Fuchs and Thomas Körper

2021-08-19 09:39:44 +02:00

COPYING

COPYING: state that all contributions really are covered by this file

2020-02-10 13:32:20 -08:00

CREDITS

MAINTAINERS: Move Daniel Drake to credits

2021-09-21 08:34:58 +03:00

Kbuild

kbuild: rename hostprogs-y/always to hostprogs/always-y

2020-02-04 01:53:07 +09:00

Kconfig

kbuild: ensure full rebuild when the compiler is updated

2020-05-12 13:28:33 +09:00

MAINTAINERS

Merge tag 'char-misc-5.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

2021-10-17 17:14:00 -10:00

Makefile

block: move CONFIG_BLOCK guard to top Makefile

2021-10-18 06:17:35 -06:00

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.