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Hou Tao 6930ca3f5e md: don't update recovery_cp when curr_resync is ACTIVE 
commit 1d1f25bfda upstream.

Don't update recovery_cp when curr_resync is MD_RESYNC_ACTIVE, otherwise
md may skip the resync of the first 3 sectors if the resync procedure is
interrupted before the first calling of ->sync_request() as shown below:

md_do_sync thread          control thread
  // setup resync
  mddev->recovery_cp = 0
  j = 0
  mddev->curr_resync = MD_RESYNC_ACTIVE

                             // e.g., set array as idle
                             set_bit(MD_RECOVERY_INTR, &&mddev_recovery)
  // resync loop
  // check INTR before calling sync_request
  !test_bit(MD_RECOVERY_INTR, &mddev->recovery

  // resync interrupted
  // update recovery_cp from 0 to 3
  // the resync of three 3 sectors will be skipped
  mddev->recovery_cp = 3

Fixes: eac58d08d4 ("md: Use enum for overloaded magic numbers used by mddev->curr_resync")
Cc: stable@vger.kernel.org # 6.0+
Signed-off-by: Hou Tao <houtao1@huawei.com>
Reviewed-by: Logan Gunthorpe <logang@deltatee.com>
Signed-off-by: Song Liu <song@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2023-03-10 09:29:32 +01:00
arch ARM: dts: exynos: correct HDMI phy compatible in Exynos4 2023-03-10 09:29:28 +01:00
block block: be a bit more careful in checking for NULL bdev while polling 2023-03-10 09:29:22 +01:00
certs certs: Fix build error when PKCS#11 URI contains semicolon 2023-01-31 17:53:01 +09:00
crypto crypto: rsa-pkcs1pad - Use akcipher_request_complete 2023-03-10 09:28:18 +01:00
Documentation KVM: s390: disable migration mode when dirty tracking is disabled 2023-03-10 09:29:25 +01:00
drivers md: don't update recovery_cp when curr_resync is ACTIVE 2023-03-10 09:29:32 +01:00
fs udf: Fix file corruption when appending just after end of preallocated extent 2023-03-10 09:29:32 +01:00
include io_uring: Replace 0-length array with flexible array 2023-03-10 09:29:23 +01:00
init Kbuild fixes for v6.2 (3rd) 2023-01-21 10:56:37 -08:00
io_uring io_uring: mark task TASK_RUNNING before handling resume/task work 2023-03-10 09:29:28 +01:00
ipc Non-MM patches for 6.2-rc1. 2022-12-12 17:28:58 -08:00
kernel torture: Fix hang during kthread shutdown phase 2023-03-10 09:29:28 +01:00
lib cpuidle: lib/bug: Disable rcu_is_watching() during WARN/BUG 2023-03-10 09:29:06 +01:00
LICENSES LICENSES: Add the copyleft-next-0.3.1 license 2022-11-08 15:44:01 +01:00
mm sysctl: fix proc_dobool() usability 2023-03-10 09:28:46 +01:00
net scm: add user copy checks to put_cmsg() 2023-03-10 09:29:13 +01:00
rust rust: print: avoid evaluating arguments in pr_* macros in unsafe blocks 2023-01-16 00:54:35 +01:00
samples ftrace: Export ftrace_free_filter() to modules 2023-01-24 11:20:58 -05:00
scripts gcc-plugins: drop -std=gnu++11 to fix GCC 13 build 2023-03-10 09:29:11 +01:00
security randstruct: disable Clang 15 support 2023-02-25 11:13:30 +01:00
sound ASoC: kirkwood: Iterate over array indexes instead of using pointer math 2023-03-10 09:29:18 +01:00
tools selftests/landlock: Test ptrace as much as possible with Yama 2023-03-10 09:29:31 +01:00
usr usr/gen_init_cpio.c: remove unnecessary -1 values from int file 2022-10-03 14:21:44 -07:00
virt VFIO fixes for v6.2-rc6 2023-01-23 11:56:07 -08:00
.clang-format iommufd for 6.2 2022-12-14 09:15:43 -08:00
.cocciconfig scripts: add Linux .cocciconfig for coccinelle 2016-07-22 12:13:39 +02:00
.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 dts files 2019-12-04 19:44:11 -08:00
.gitignore .gitignore: ignore *.rpm 2022-12-30 17:22:14 +09:00
.mailmap 12 hotfixes, mostly against mm/. Five of these fixes are cc:stable. 2023-02-13 14:09:20 -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 MAINTAINERS: update SCTP maintainers 2023-02-02 11:35:33 -08:00
Kbuild Kbuild updates for v6.1 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 audit: update the mailing list in MAINTAINERS 2023-02-25 11:13:29 +01:00
Makefile Linux 6.2.2 2023-03-03 11:56:18 +01:00
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.