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Yu Kuai a1fd37f978 md: Don't wait for MD_RECOVERY_NEEDED for HOT_REMOVE_DISK ioctl 
Commit 90f5f7ad4f ("md: Wait for md_check_recovery before attempting
device removal.") explained in the commit message that failed device
must be reomoved from the personality first by md_check_recovery(),
before it can be removed from the array. That's the reason the commit
add the code to wait for MD_RECOVERY_NEEDED.

However, this is not the case now, because remove_and_add_spares() is
called directly from hot_remove_disk() from ioctl path, hence failed
device(marked faulty) can be removed from the personality by ioctl.

On the other hand, the commit introduced a performance problem that
if MD_RECOVERY_NEEDED is set and the array is not running, ioctl will
wait for 5s before it can return failure to user.

Since the waiting is not needed now, fix the problem by removing the
waiting.

Fixes: 90f5f7ad4f ("md: Wait for md_check_recovery before attempting device removal.")
Reported-by: Mateusz Kusiak <mateusz.kusiak@linux.intel.com>
Closes: https://lore.kernel.org/all/814ff6ee-47a2-4ba0-963e-cf256ee4ecfa@linux.intel.com/
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Signed-off-by: Song Liu <song@kernel.org>
Link: https://lore.kernel.org/r/20240627112321.3044744-1-yukuai1@huaweicloud.com
History 2024-07-04 06:32:03 +00:00
arch block: move the nonrot flag to queue_limits 2024-06-19 07:58:28 -06:00
block block/mq-deadline: Fix the tag reservation code 2024-07-02 08:47:45 -06:00
certs kbuild: use $(src) instead of $(srctree)/$(src) for source directory 2024-05-10 04:34:52 +09:00
crypto This push fixes a bug in the new ecc P521 code as well as a buggy 2024-05-20 08:47:54 -07:00
Documentation block: Add core atomic write support 2024-06-20 15:19:17 -06:00
drivers md: Don't wait for MD_RECOVERY_NEEDED for HOT_REMOVE_DISK ioctl 2024-07-04 06:32:03 +00:00
fs block: Add atomic write support for statx 2024-06-20 15:19:17 -06:00
include block: simplify queue_logical_block_size 2024-06-28 15:06:16 -06:00
init Driver core changes for 6.10-rc1 2024-05-22 12:13:40 -07:00
io_uring fs: Initial atomic write support 2024-06-20 15:19:17 -06:00
ipc Mainly singleton patches, documented in their respective changelogs. 2024-05-19 14:02:03 -07:00
kernel Fix race between perf_event_free_task() and perf_event_release_kernel() 2024-06-08 09:26:59 -07:00
lib Including fixes from BPF and big collection of fixes for WiFi core 2024-06-06 09:55:27 -07:00
LICENSES LICENSES: Add the copyleft-next-0.3.1 license 2022-11-08 15:44:01 +01:00
mm mm: fix xyz_noprof functions calling profiled functions 2024-06-05 19:19:26 -07:00
net nfsd-6.10 fixes: 2024-06-07 15:07:57 -07:00
rust rust: block: fix generated bindings after refactoring of features 2024-06-28 14:27:45 -06:00
samples tracing/treewide: Remove second parameter of __assign_str() 2024-05-22 20:14:47 -04:00
scripts Kbuild fixes for v6.10 (second) 2024-06-08 10:12:33 -07:00
security tomoyo: update project links 2024-06-03 22:43:11 +09:00
sound ALSA: seq: ump: Fix swapped song position pointer data 2024-05-31 09:51:44 +02:00
tools perf tools fixes for v6.10: 2nd batch 2024-06-09 09:04:51 -07:00
usr kbuild: use $(src) instead of $(srctree)/$(src) for source directory 2024-05-10 04:34:52 +09:00
virt The usual shower of singleton fixes and minor series all over MM, 2024-05-19 09:21:03 -07:00
.clang-format clang-format: Update with v6.7-rc4's for_each macro list 2023-12-08 23:54:38 +01:00
.cocciconfig scripts: add Linux .cocciconfig for coccinelle 2016-07-22 12:13:39 +02:00
.editorconfig Add .editorconfig file for basic formatting 2023-12-28 16:22:47 +09:00
.get_maintainer.ignore Add Jeff Kirsher to .get_maintainer.ignore 2024-03-08 11:36:54 +00:00
.gitattributes .gitattributes: set diff driver for Rust source code files 2023-05-31 17:48:25 +02:00
.gitignore kbuild: create a list of all built DTB files 2024-02-19 18:20:39 +09:00
.mailmap mailmap: update entry for Kees Cook 2024-05-31 08:58:36 -07:00
.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: Drop Gustavo Pimentel as PCI DWC Maintainer 2024-03-27 13:41:02 -05:00
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 MAINTAINERS: add entry for Rust block device driver API 2024-06-14 07:45:04 -06:00
Makefile Linux 6.10-rc3 2024-06-09 14:19:43 -07:00
README README: Fix spelling 2024-03-18 03:36:32 -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 reStructuredText 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.