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Shan Hai d1a265da7b bcache: release dc->writeback_lock properly in bch_writeback_thread()

commit 3943b040f1 upstream.

The writeback thread would exit with a lock held when the cache device
is detached via sysfs interface, fix it by releasing the held lock
before exiting the while-loop.

Fixes: fadd94e05c (bcache: quit dc->writeback_thread when BCACHE_DEV_DETACHING is set)
Signed-off-by: Shan Hai <shan.hai@oracle.com>
Signed-off-by: Coly Li <colyli@suse.de>
Tested-by: Shenghui Wang <shhuiw@foxmail.com>
Cc: stable@vger.kernel.org #4.17+
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2018-09-09 19:56:01 +02:00

arch

sys: don't hold uts_sem while accessing userspace memory

2018-09-09 19:56:00 +02:00

block

block, bfq: return nbytes and not zero from struct cftype .write() method

2018-09-09 19:55:59 +02:00

certs

Replace magic for trusting the secondary keyring with #define

2018-09-09 19:55:54 +02:00

crypto

Replace magic for trusting the secondary keyring with #define

2018-09-09 19:55:54 +02:00

Documentation

kbuild: verify that $DEPMOD is installed

2018-08-17 21:01:10 +02:00

drivers

bcache: release dc->writeback_lock properly in bch_writeback_thread()

2018-09-09 19:56:01 +02:00

firmware

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

getxattr: use correct xattr length

2018-09-09 19:56:01 +02:00

include

udlfb: set optimal write delay

2018-09-09 19:56:01 +02:00

init

init: rename and re-order boot_cpu_state_init()

2018-08-15 18:12:48 +02:00

ipc

ipc/sem.c: prevent queue.status tearing in semop

2018-09-05 09:26:30 +02:00

kernel

userns: move user access out of the mutex

2018-09-09 19:56:00 +02:00

lib

printk/nmi: Prevent deadlock when accessing the main log buffer in NMI

2018-09-05 09:26:35 +02:00

mm/tlb: Remove tlb_remove_table() non-concurrent condition

2018-09-09 19:55:59 +02:00

net

NFSv4 client live hangs after live data migration recovery

2018-09-09 19:55:59 +02:00

samples

samples/bpf: Check the error of write() and read()

2018-08-24 13:09:12 +02:00

scripts

gcc-plugins: Use dynamic initializers

2018-09-05 09:26:42 +02:00

security

Smack: Mark inode instant in smack_task_to_inode

2018-08-24 13:09:04 +02:00

sound

ASoC: sirf: Fix potential NULL pointer dereference

2018-09-05 09:26:39 +02:00

tools

tools/power turbostat: Read extended processor family from CPUID

2018-09-05 09:26:30 +02:00

usr

initramfs: fix initramfs rebuilds w/ compression after disabling

2017-11-03 07:39:19 -07:00

virt

KVM: arm/arm64: Skip updating PTE entry if no change

2018-09-05 09:26:36 +02:00

.cocciconfig

scripts: add Linux .cocciconfig for coccinelle

2016-07-22 12:13:39 +02:00

.get_maintainer.ignore

…

.gitattributes

.gitattributes: set git diff driver for C source code files

2016-10-07 18:46:30 -07:00

.gitignore

kbuild: rpm-pkg: keep spec file until make mrproper

2018-02-13 10:19:46 +01:00

.mailmap

.mailmap: Add Maciej W. Rozycki's Imagination e-mail address

2017-11-10 12:16:15 -08:00

COPYING

…

CREDITS

MAINTAINERS: update TPM driver infrastructure changes

2017-11-09 17:58:40 -08:00

Kbuild

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

Kconfig

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

MAINTAINERS

dt-bindings: Document mti,mips-cpc binding

2018-03-15 10:54:35 +01:00

Makefile

Linux 4.14.68

2018-09-05 09:26:42 +02:00

README

README: add a new README file, pointing to the Documentation/

2016-10-24 08:12:35 -02:00

README

Linux kernel
============

This file was moved to Documentation/admin-guide/README.rst

Please notice that there are several guides for kernel developers and users.
These guides can be rendered in a number of formats, like HTML and PDF.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
See Documentation/00-INDEX for a list of what is contained in each file.

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.