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Ming Lei 81ea1222f2 Revert "block: Merge bio before checking ->cached_rq" 
This reverts commit 23f3e3272e.

blk-mq sched bio merge still needs request to grab queue usage counter,
so we can't simply call blk_mq_attempt_bio_merge() when queue usage
counter isn't held.

Fixes: 23f3e3272e ("block: Merge bio before checking ->cached_rq")
Cc: Xiao Ni <xni@redhat.com>
Reported-by: Yi Zhang <yi.zhang@redhat.com>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20230420112018.1108058-1-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2023-04-20 06:54:17 -06:00
arch
cpumask: re-introduce constant-sized cpumask optimizations
2023-03-05 14:30:34 -08:00
block
Revert "block: Merge bio before checking ->cached_rq"
2023-04-20 06:54:17 -06:00
certs
Merge tag 'kbuild-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
2023-02-26 11:53:25 -08:00
crypto
Merge tag 'net-next-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
2023-02-21 18:24:12 -08:00
Documentation
docs: sysfs-block: document hidden sysfs entry
2023-03-07 16:40:52 -07:00
drivers
nvme-pci: add NVME_QUIRK_BOGUS_NID for T-FORCE Z330 SSD
2023-04-14 07:13:48 +02:00
fs
Merge tag 'mm-hotfixes-stable-2023-03-04-13-12' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2023-03-04 13:32:50 -08:00
include
nvme-tcp: fix nvme_tcp_term_pdu to match spec
2023-03-22 09:19:56 +01:00
init
Merge tag 'kbuild-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
2023-02-26 11:53:25 -08:00
io_uring
block/io_uring: pass in issue_flags for uring_cmd task_work handling
2023-03-20 20:01:25 -06:00
ipc
Merge branch 'work.namespace' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2023-02-24 19:20:07 -08:00
kernel
Merge tag 'irq-urgent-2023-03-05' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2023-03-05 11:19:16 -08:00
lib
cpumask: re-introduce constant-sized cpumask optimizations
2023-03-05 14:30:34 -08:00
LICENSES
LICENSES: Add the copyleft-next-0.3.1 license
2022-11-08 15:44:01 +01:00
mm
mm: avoid gcc complaint about pointer casting
2023-03-04 14:03:27 -08:00
net
Merge tag 'nfsd-6.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux
2023-03-01 11:03:44 -08:00
rust
Merge tag 'rust-fixes-6.3-rc1' of https://github.com/Rust-for-Linux/linux
2023-03-03 14:51:15 -08:00
samples
Merge tag 'loongarch-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
2023-03-01 09:27:00 -08:00
scripts
Remove Intel compiler support
2023-03-05 10:49:37 -08:00
security
capability: just use a 'u64' instead of a 'u32[2]' array
2023-03-01 10:01:22 -08:00
sound
Merge tag 'sound-fix-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
2023-03-04 10:53:59 -08:00
tools
Merge tag 'objtool-core-2023-03-02' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2023-03-02 09:45:34 -08:00
usr
usr/gen_init_cpio.c: remove unnecessary -1 values from int file
2022-10-03 14:21:44 -07:00
virt
Merge tag 'kvm-riscv-6.3-1' of https://github.com/kvm-riscv/linux into HEAD
2023-02-15 12:33:28 -05:00
.clang-format
cpumask: re-introduce constant-sized cpumask optimizations
2023-03-05 14:30:34 -08:00
.cocciconfig
…
.get_maintainer.ignore
get_maintainer: add Alan to .get_maintainer.ignore
2022-08-20 15:17:44 -07:00
.gitattributes
.gitattributes: use 'dts' diff driver for *.dtso files
2023-02-26 15:28:23 +09:00
.gitignore
.gitignore: ignore *.cover and *.mbx
2023-02-05 18:51:22 +09:00
.mailmap
mailmap: map Dikshita Agarwal's old address to his current one
2023-03-02 21:54:24 -08:00
.rustfmt.toml
rust: add .rustfmt.toml
2022-09-28 09:02:20 +02:00
COPYING
COPYING: state that all contributions really are covered by this file
2020-02-10 13:32:20 -08:00
CREDITS
Merge tag 'mm-nonmm-stable-2023-02-20-15-29' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2023-02-23 17:55:40 -08:00
Kbuild
Merge tag 'kbuild-v6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
2022-10-10 12:00:45 -07:00
Kconfig
kbuild: ensure full rebuild when the compiler is updated
2020-05-12 13:28:33 +09:00
MAINTAINERS
MAINTAINERS: repair malformed T: entries in NVM EXPRESS DRIVERS
2023-03-15 14:43:46 +01:00
Makefile
Linux 6.3-rc1
2023-03-05 14:52:03 -08:00
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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