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Li Lingfeng 570b9147de md: use RCU lock to protect traversal in md_spares_need_change() 
Since md_start_sync() will be called without the protect of mddev_lock,
and it can run concurrently with array reconfiguration, traversal of rdev
in it should be protected by RCU lock.
Commit bc08041b32ab ("md: suspend array in md_start_sync() if array need
reconfiguration") added md_spares_need_change() to md_start_sync(),
casusing use of rdev without any protection.
Fix this by adding RCU lock in md_spares_need_change().

Fixes: bc08041b32ab ("md: suspend array in md_start_sync() if array need reconfiguration")
Cc: stable@vger.kernel.org # 6.7+
Signed-off-by: Li Lingfeng <lilingfeng3@huawei.com>
Signed-off-by: Song Liu <song@kernel.org>
Link: https://lore.kernel.org/r/20240104133629.1277517-1-lilingfeng@huaweicloud.com
2024-02-05 15:23:59 -08:00
..
bcache
for-6.8/block-2024-01-08
2024-01-11 13:58:04 -08:00
persistent-data
dm thin metadata: Fix ABBA deadlock by resetting dm_bufio_client
2023-06-16 18:24:13 -04:00
dm-audit.c
dm: add missing SPDX-License-Indentifiers
2023-02-14 14:23:06 -05:00
dm-audit.h
dm: introduce audit event module for device mapper
2021-10-27 16:53:47 -04:00
dm-bio-prison-v1.c
dm: Annotate struct dm_bio_prison with __counted_by
2023-10-02 09:48:53 -07:00
dm-bio-prison-v1.h
dm bio prison v1: add dm_cell_key_has_valid_range
2023-03-30 15:57:51 -04:00
dm-bio-prison-v2.c
dm: address space issues relative to switch/while/for/...
2023-02-14 14:23:06 -05:00
dm-bio-prison-v2.h
dm: change "unsigned" to "unsigned int"
2023-02-14 14:23:06 -05:00
dm-bio-record.h
dm: add missing SPDX-License-Indentifiers
2023-02-14 14:23:06 -05:00
dm-bufio.c
mm, treewide: rename MAX_ORDER to MAX_PAGE_ORDER
2024-01-08 15:27:15 -08:00
dm-builtin.c
dm: adjust EXPORT_SYMBOL() to follow functions immediately
2023-02-14 14:23:07 -05:00
dm-cache-background-tracker.c
dm: change "unsigned" to "unsigned int"
2023-02-14 14:23:06 -05:00
dm-cache-background-tracker.h
dm: change "unsigned" to "unsigned int"
2023-02-14 14:23:06 -05:00
dm-cache-block-types.h
dm: add missing SPDX-License-Indentifiers
2023-02-14 14:23:06 -05:00
dm-cache-metadata.c
Many singleton patches against the MM code. The patch series which are
2023-11-02 19:38:47 -10:00
dm-cache-metadata.h
dm: change "unsigned" to "unsigned int"
2023-02-14 14:23:06 -05:00
dm-cache-policy-internal.h
dm: add missing empty lines
2023-02-14 14:23:06 -05:00
dm-cache-policy-smq.c
dm cache policy smq: ensure IO doesn't prevent cleaner policy progress
2023-07-25 11:55:50 -04:00
dm-cache-policy.c
dm: change "unsigned" to "unsigned int"
2023-02-14 14:23:06 -05:00
dm-cache-policy.h
dm: address indent/space issues
2023-02-14 14:23:06 -05:00
dm-cache-target.c
block: replace fmode_t with a block-specific type for block open flags
2023-06-12 08:04:05 -06:00
dm-clone-metadata.c
dm clone metadata: remove unused function
2021-04-19 13:20:31 -04:00
dm-clone-metadata.h
…
dm-clone-target.c
block: replace fmode_t with a block-specific type for block open flags
2023-06-12 08:04:05 -06:00
dm-core.h
dm: limit the number of targets and parameter size area
2024-01-30 14:05:02 -05:00
dm-crypt.c
dm-crypt, dm-verity: disable tasklets
2024-02-02 12:33:50 -05:00
dm-delay.c
dm-delay: avoid duplicate logic
2023-11-17 14:41:14 -05:00
dm-dust.c
dm: add helper macro for simple DM target module init and exit
2023-04-11 12:09:08 -04:00
dm-ebs-target.c
dm: add helper macro for simple DM target module init and exit
2023-04-11 12:09:08 -04:00
dm-era-target.c
block: replace fmode_t with a block-specific type for block open flags
2023-06-12 08:04:05 -06:00
dm-exception-store.c
dm: change "unsigned" to "unsigned int"
2023-02-14 14:23:06 -05:00
dm-exception-store.h
dm: avoid spaces before function arguments or in favour of tabs
2023-02-14 14:23:06 -05:00
dm-flakey.c
mm, treewide: rename MAX_ORDER to MAX_PAGE_ORDER
2024-01-08 15:27:15 -08:00
dm-ima.c
dm: avoid inline filenames
2023-02-14 14:23:07 -05:00
dm-ima.h
dm: avoid inline filenames
2023-02-14 14:23:07 -05:00
dm-init.c
dm: open code dm_get_dev_t in dm_init_init
2023-06-05 10:57:40 -06:00
dm-integrity.c
dm-integrity: don't modify bio's immutable bio_vec in integrity_metadata()
2023-12-18 13:11:05 -05:00
dm-io-rewind.c
dm: avoid void function return statements
2023-02-14 14:23:07 -05:00
dm-io-tracker.h
dm: add missing SPDX-License-Indentifiers
2023-02-14 14:23:06 -05:00
dm-io.c
dm: remove unnecessary (void*) conversions
2023-04-11 12:01:01 -04:00
dm-ioctl.c
dm: limit the number of targets and parameter size area
2024-01-30 14:05:02 -05:00
dm-kcopyd.c
block: remove support for the host aware zone model
2023-12-19 20:17:43 -07:00
dm-linear.c
dm: shortcut the calls to linear_map and stripe_map
2023-10-06 19:09:25 -04:00
dm-log-userspace-base.c
dm log userspace: replace deprecated strncpy with strscpy
2023-10-23 13:02:48 -04:00
dm-log-userspace-transfer.c
dm: avoid split of quoted strings where possible
2023-02-14 14:23:07 -05:00
dm-log-userspace-transfer.h
dm: add missing SPDX-License-Indentifiers
2023-02-14 14:23:06 -05:00
dm-log-writes.c
dm: add helper macro for simple DM target module init and exit
2023-04-11 12:09:08 -04:00
dm-log.c
dm: remove unnecessary (void*) conversions
2023-04-11 12:01:01 -04:00
dm-mpath.c
dm: push error reporting down to dm_register_target()
2023-04-11 12:01:01 -04:00
dm-mpath.h
dm: change "unsigned" to "unsigned int"
2023-02-14 14:23:06 -05:00
dm-path-selector.c
dm: adjust EXPORT_SYMBOL() to follow functions immediately
2023-02-14 14:23:07 -05:00
dm-path-selector.h
dm: avoid spaces before function arguments or in favour of tabs
2023-02-14 14:23:06 -05:00
dm-ps-historical-service-time.c
dm: add missing SPDX-License-Indentifiers
2023-02-14 14:23:06 -05:00
dm-ps-io-affinity.c
dm: address space issues relative to switch/while/for/...
2023-02-14 14:23:06 -05:00
dm-ps-queue-length.c
dm: avoid spaces before function arguments or in favour of tabs
2023-02-14 14:23:06 -05:00
dm-ps-round-robin.c
dm: correct block comments format.
2023-02-14 14:23:06 -05:00
dm-ps-service-time.c
dm: avoid spaces before function arguments or in favour of tabs
2023-02-14 14:23:06 -05:00
dm-raid1.c
dm: remove unnecessary (void*) conversions
2023-04-11 12:01:01 -04:00
dm-raid.c
dm-raid: delay flushing event_work() after reconfig_mutex is released
2023-12-18 13:05:21 -05:00
dm-region-hash.c
dm: correct block comments format.
2023-02-14 14:23:06 -05:00
dm-rq.c
dm: avoid using symbolic permissions
2023-02-14 14:23:07 -05:00
dm-rq.h
dm: change "unsigned" to "unsigned int"
2023-02-14 14:23:06 -05:00
dm-snap-persistent.c
dm: remove unnecessary (void*) conversions
2023-04-11 12:01:01 -04:00
dm-snap-transient.c
dm: avoid split of quoted strings where possible
2023-02-14 14:23:07 -05:00
dm-snap.c
block: replace fmode_t with a block-specific type for block open flags
2023-06-12 08:04:05 -06:00
dm-stats.c
dm stats: limit the number of entries
2024-01-30 14:06:44 -05:00
dm-stats.h
dm stats: check for and propagate alloc_percpu failure
2023-03-16 13:37:06 -04:00
dm-stripe.c
- Update DM core to directly call the map function for both the linear
2023-11-01 12:55:54 -10:00
dm-switch.c
dm: add helper macro for simple DM target module init and exit
2023-04-11 12:09:08 -04:00
dm-sysfs.c
dm sysfs: make kobj_type structure constant
2023-02-14 14:23:08 -05:00
dm-table.c
dm: limit the number of targets and parameter size area
2024-01-30 14:05:02 -05:00
dm-target.c
dm error: Add support for zoned block devices
2023-10-31 11:06:21 -04:00
dm-thin-metadata.c
- Update DM crypt to allocate compound pages if possible.
2023-06-30 12:16:00 -07:00
dm-thin-metadata.h
dm: add missing SPDX-License-Indentifiers
2023-02-14 14:23:06 -05:00
dm-thin.c
- Update DM crypt to allocate compound pages if possible.
2023-06-30 12:16:00 -07:00
dm-uevent.c
dm: avoid spaces before function arguments or in favour of tabs
2023-02-14 14:23:06 -05:00
dm-uevent.h
dm: fix undue/missing spaces
2023-02-14 14:23:06 -05:00
dm-unstripe.c
dm: add helper macro for simple DM target module init and exit
2023-04-11 12:09:08 -04:00
dm-verity-fec.c
dm-verity: align struct dm_verity_fec_io properly
2023-11-29 12:58:06 -05:00
dm-verity-fec.h
dm: change "unsigned" to "unsigned int"
2023-02-14 14:23:06 -05:00
dm-verity-loadpin.c
dm: verity-loadpin: Add NULL pointer check for 'bdev' parameter
2023-06-28 10:43:04 -07:00
dm-verity-target.c
dm-crypt, dm-verity: disable tasklets
2024-02-02 12:33:50 -05:00
dm-verity-verify-sig.c
dm: add missing SPDX-License-Indentifiers
2023-02-14 14:23:06 -05:00
dm-verity-verify-sig.h
dm: add missing SPDX-License-Indentifiers
2023-02-14 14:23:06 -05:00
dm-verity.h
dm-crypt, dm-verity: disable tasklets
2024-02-02 12:33:50 -05:00
dm-writecache.c
dm writecache: allow allocations larger than 2GiB
2024-01-30 14:07:30 -05:00
dm-zero.c
dm: add helper macro for simple DM target module init and exit
2023-04-11 12:09:08 -04:00
dm-zone.c
dm zone: Use the bitmap API to allocate bitmaps
2023-06-16 18:24:13 -04:00
dm-zoned-metadata.c
block: remove support for the host aware zone model
2023-12-19 20:17:43 -07:00
dm-zoned-reclaim.c
dm kcopyd: avoid useless atomic operations
2021-06-04 12:07:24 -04:00
dm-zoned-target.c
block: remove support for the host aware zone model
2023-12-19 20:17:43 -07:00
dm-zoned.h
dm/dm-zoned: Use the enum req_op type
2022-07-14 12:14:31 -06:00
dm.c
bdev: rename freeze and thaw helpers
2023-11-18 14:59:23 +01:00
dm.h
dm: shortcut the calls to linear_map and stripe_map
2023-10-06 19:09:25 -04:00
Kconfig
for-6.8/block-2024-01-08
2024-01-11 13:58:04 -08:00
Makefile
md: Remove deprecated CONFIG_MD_FAULTY
2023-12-19 10:37:50 -08:00
md-autodetect.c
md: Remove deprecated CONFIG_MD_LINEAR
2023-12-19 10:16:51 -08:00
md-bitmap.c
md: cleanup mddev_create/destroy_serial_pool()
2023-10-10 18:49:51 -07:00
md-bitmap.h
md-bitmap: don't use ->index for pages backing the bitmap file
2023-07-27 00:13:29 -07:00
md-cluster.c
md-cluster: check for timeout while a new disk adding
2023-10-12 09:16:19 -07:00
md-cluster.h
…
md-linear.h
md/md-linear: Annotate struct linear_conf with __counted_by
2023-09-22 11:23:01 -07:00
md-multipath.h
…
md.c
md: use RCU lock to protect traversal in md_spares_need_change()
2024-02-05 15:23:59 -08:00
md.h
md: remove flag RemoveSynchronized
2023-11-27 15:49:04 -08:00
raid0.c
md: raid0: account for split bio in iostat accounting
2023-08-17 21:11:31 -07:00
raid0.h
md/raid0: add discard support for the 'original' layout
2023-06-30 15:43:50 -07:00
raid1-10.c
md: factor out a helper exceed_read_errors() to check read_errors
2023-12-15 15:22:15 -08:00
raid1.c
md: fix a suspicious RCU usage warning
2024-01-24 22:58:00 -08:00
raid1.h
md/raid1: switch to use md_account_bio() for io accounting
2023-07-27 00:13:29 -07:00
raid5-cache.c
md/raid5: remove rcu protection to access rdev from conf
2023-11-27 15:49:05 -08:00
raid5-log.h
md/raid5-ppl: Drop unused argument from ppl_handle_flush_request()
2022-08-02 17:14:31 -06:00
raid5-ppl.c
md/raid5: remove rcu protection to access rdev from conf
2023-11-27 15:49:05 -08:00
raid5.c
md: remove redundant check of 'mddev->sync_thread'
2024-02-05 15:23:58 -08:00
raid5.h
md/raid5: remove rcu protection to access rdev from conf
2023-11-27 15:49:05 -08:00
raid10.c
md: factor out a helper exceed_read_errors() to check read_errors
2023-12-15 15:22:15 -08:00
raid10.h
md/raid10: switch to use md_account_bio() for io accounting
2023-07-27 00:13:29 -07:00