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Pankaj Raghav 110fdb4486 block: add rationale for not using blk_mq_plug() when applicable
There are two places in the block layer at the moment where
blk_mq_plug() helper could be used instead of directly accessing the
plug from struct current. In both these cases, directly accessing the plug
should not have any consequences for zoned devices.

Make the intent explicit by adding comments instead of introducing unwanted
checks with blk_mq_plug() helper.[1]

[1] https://lore.kernel.org/linux-block/f6e54907-1035-2b2c-6387-ed178be05ccb@kernel.dk/

Signed-off-by: Pankaj Raghav <p.raghav@samsung.com>
Suggested-by: Jens Axboe <axboe@kernel.dk>
Link: https://lore.kernel.org/r/20220929144141.140077-1-p.raghav@samsung.com
[axboe: fixup multi-line comment style]
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2022-09-29 09:02:49 -06:00
arch s390/dasd: suppress generic error messages for PPRC secondary devices 2022-09-21 08:32:51 -06:00
block block: add rationale for not using blk_mq_plug() when applicable 2022-09-29 09:02:49 -06:00
certs Kbuild updates for v5.20 2022-08-10 10:40:41 -07:00
crypto crypto: blake2b: effectively disable frame size warning 2022-08-10 17:59:11 -07:00
Documentation asm goto: eradicate CC_HAS_ASM_GOTO 2022-08-21 10:06:28 -07:00
drivers nvme updates for Linux 6.1 2022-09-28 11:11:16 -06:00
fs block: remove PSI accounting from the bio layer 2022-09-20 08:24:38 -06:00
include block: adapt blk_mq_plug() to not plug for writes that require a zone lock 2022-09-29 07:45:47 -06:00
init asm goto: eradicate CC_HAS_ASM_GOTO 2022-08-21 10:06:28 -07:00
io_uring block: replace blk_queue_nowait with bdev_nowait 2022-09-27 09:57:58 -06:00
ipc Updates to various subsystems which I help look after. lib, ocfs2, 2022-08-07 10:03:24 -07:00
kernel sched/psi: export psi_memstall_{enter,leave} 2022-09-20 08:24:38 -06:00
lib sbitmap: fix batched wait_cnt accounting 2022-09-12 00:10:34 -06:00
LICENSES LICENSES/LGPL-2.1: Add LGPL-2.1-or-later as valid identifiers 2021-12-16 14:33:10 +01:00
mm blk-cgroup: pass a gendisk to blkcg_schedule_throttle 2022-09-26 19:17:28 -06:00
net tcp: handle pure FIN case correctly 2022-08-18 11:04:56 -07:00
samples Tracing updates for 5.20 / 6.0 2022-08-05 09:41:12 -07:00
scripts asm goto: eradicate CC_HAS_ASM_GOTO 2022-08-21 10:06:28 -07:00
security hardening fixes for v6.0-rc2 2022-08-19 13:56:14 -07:00
sound sound fixes for 6.0-rc2 2022-08-19 09:46:11 -07:00
tools asm goto: eradicate CC_HAS_ASM_GOTO 2022-08-21 10:06:28 -07:00
usr Not a lot of material this cycle. Many singleton patches against various 2022-05-27 11:22:03 -07:00
virt KVM: Drop unnecessary initialization of "ops" in kvm_ioctl_create_device() 2022-08-19 04:05:43 -04:00
.clang-format PCI/DOE: Add DOE mailbox support functions 2022-07-19 15:38:04 -07:00
.cocciconfig
.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 kbuild: split the second line of *.mod into *.usyms 2022-05-08 03:16:59 +09:00
.mailmap Updates to various subsystems which I help look after. lib, ocfs2, 2022-08-07 10:03:24 -07:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS drm for 5.20/6.0 2022-08-03 19:52:08 -07:00
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 nvme-auth: add a MAINTAINERS entry 2022-09-27 14:44:03 +02:00
Makefile Linux 6.0-rc2 2022-08-21 17:32:54 -07:00
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.