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v6.6.121
linux/drivers/md
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Mikulas Patocka af4fc583fd dm-snapshot: fix 'scheduling while atomic' on real-time kernels 
[ Upstream commit 8581b19eb2 ]

There is reported 'scheduling while atomic' bug when using dm-snapshot on
real-time kernels. The reason for the bug is that the hlist_bl code does
preempt_disable() when taking the lock and the kernel attempts to take
other spinlocks while holding the hlist_bl lock.

Fix this by converting a hlist_bl spinlock into a regular spinlock.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Reported-by: Jiping Ma <jiping.ma2@windriver.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2026-01-17 16:29:55 +01:00
..
bcache
bcache: fix NULL pointer in cache_set_flush()
2025-07-06 11:00:07 +02:00
persistent-data
dm array: fix cursor index when skipping across block boundaries
2025-01-17 13:36:10 +01:00
dm-audit.c
dm: add missing SPDX-License-Indentifiers
2023-02-14 14:23:06 -05:00
dm-audit.h
…
dm-bio-prison-v1.c
dm: improve hash_locks sizing and hash function
2023-03-30 15:57:51 -04:00
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
dm-bufio: align write boundary on physical block size
2026-01-11 15:22:14 +01:00
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-cache: fix warnings about duplicate slab caches
2024-12-09 10:32:40 +01:00
dm-cache-background-tracker.h
dm-cache: fix warnings about duplicate slab caches
2024-12-09 10:32:40 +01:00
dm-cache-block-types.h
dm: add missing SPDX-License-Indentifiers
2023-02-14 14:23:06 -05:00
dm-cache-metadata.c
Revert "mm: shrinkers: convert shrinker_rwsem to mutex"
2023-06-19 13:19:33 -07:00
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
dm cache: prevent BUG_ON by blocking retries on failed device resumes
2025-06-04 14:42:02 +02:00
dm-clone-metadata.c
bitmap: introduce generic optimized bitmap_size()
2024-08-29 17:33:14 +02:00
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: fix queue start/stop imbalance under suspend/load/resume races
2025-10-15 11:58:08 +02:00
dm-crypt.c
dm-crypt: track tag_offset in convert_context
2025-02-17 09:40:25 +01:00
dm-delay.c
dm-delay: fix a race between delay_presuspend and delay_bio
2023-12-03 07:33:09 +01:00
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-ebs: Mark full buffer dirty even on partial write
2026-01-11 15:22:14 +01:00
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-snapshot: fix 'scheduling while atomic' on real-time kernels
2026-01-17 16:29:55 +01:00
dm-flakey.c
dm-flakey: make corrupting read bios work
2025-06-19 15:28:26 +02:00
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 init: Handle minors larger than 255
2024-09-12 11:11:35 +02:00
dm-integrity.c
dm-integrity: limit MAX_TAG_SIZE to 255
2025-10-12 12:56:21 +02:00
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 io: Support IO priority
2024-03-26 18:20:13 -04:00
dm-ioctl.c
dm resume: don't return EINVAL when signalled
2024-08-29 17:33:13 +02:00
dm-kcopyd.c
dm io: Support IO priority
2024-03-26 18:20:13 -04:00
dm-linear.c
dm: remove unnecessary (void*) conversions
2023-04-11 12:01:01 -04:00
dm-log-userspace-base.c
dm: avoid void function return statements
2023-02-14 14:23:07 -05:00
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 log-writes: Add missing set_freezable() for freezable kthread
2026-01-11 15:21:39 +01:00
dm-log.c
dm io: Support IO priority
2024-03-26 18:20:13 -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-mpath: don't print the "loaded" message if registering fails
2025-08-28 16:28:28 +02:00
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-mpath: don't print the "loaded" message if registering fails
2025-08-28 16:28:28 +02:00
dm-ps-round-robin.c
dm-mpath: don't print the "loaded" message if registering fails
2025-08-28 16:28:28 +02:00
dm-ps-service-time.c
dm-mpath: don't print the "loaded" message if registering fails
2025-08-28 16:28:28 +02:00
dm-raid1.c
dm-mirror: fix a tiny race condition
2025-06-27 11:08:49 +01:00
dm-raid.c
dm-raid: fix possible NULL dereference with undefined raid type
2026-01-11 15:21:39 +01:00
dm-region-hash.c
dm: correct block comments format.
2023-02-14 14:23:06 -05:00
dm-rq.c
Revert "dm: requeue IO if mapping table not yet available"
2024-10-04 16:29:40 +02:00
dm-rq.h
dm: change "unsigned" to "unsigned int"
2023-02-14 14:23:06 -05:00
dm-snap-persistent.c
dm io: Support IO priority
2024-03-26 18:20:13 -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
dm-snapshot: fix 'scheduling while atomic' on real-time kernels
2026-01-17 16:29:55 +01:00
dm-stats.c
dm stats: check for and propagate alloc_percpu failure
2023-03-16 13:37:06 -04:00
dm-stats.h
dm stats: check for and propagate alloc_percpu failure
2023-03-16 13:37:06 -04:00
dm-stripe.c
dm: remove unnecessary (void*) conversions
2023-04-11 12:01:01 -04:00
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-table: fix checking for rq stackable devices
2025-08-28 16:28:28 +02:00
dm-target.c
dm: push error reporting down to dm_register_target()
2023-04-11 12:01:01 -04:00
dm-thin-metadata.c
Merge tag 'for-6.5/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
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
dm thin: make get_first_thin use rcu-safe list first function
2025-01-17 13:36:17 +01:00
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-unstriped: cast an operand to sector_t to prevent potential uint32_t overflow
2024-11-14 13:19:37 +01:00
dm-verity-fec.c
dm-verity: fix unreliable memory allocation
2025-12-07 06:18:51 +09:00
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-verity: fix a memory leak if some arguments are specified multiple times
2025-06-27 11:08:49 +01:00
dm-verity-verify-sig.c
dm-verity: fix a memory leak if some arguments are specified multiple times
2025-06-27 11:08:49 +01:00
dm-verity-verify-sig.h
dm: add missing SPDX-License-Indentifiers
2023-02-14 14:23:06 -05:00
dm-verity.h
dm-verity, dm-crypt: align "struct bvec_iter" correctly
2024-03-26 18:19:12 -04:00
dm-writecache.c
dm io: Support IO priority
2024-03-26 18:20:13 -04:00
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
dm: dm-zoned: use __bio_add_page for adding single metadata page
2023-05-31 09:50:02 -06:00
dm-zoned-reclaim.c
…
dm-zoned-target.c
md: dm-zoned-target: Initialize return variable r to avoid uninitialized use
2025-08-28 16:28:28 +02:00
dm-zoned.h
dm/dm-zoned: Use the enum req_op type
2022-07-14 12:14:31 -06:00
dm.c
dm: fix NULL pointer dereference in __dm_suspend()
2025-10-15 11:58:08 +02:00
dm.h
dm: remove stale/redundant dm_internal_{suspend,resume} prototypes in dm.h
2023-06-16 18:24:14 -04:00
Kconfig
dm audit: fix Kconfig so DM_AUDIT depends on BLK_DEV_DM
2024-01-20 11:51:45 +01:00
Makefile
Merge tag 'hardening-v5.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
2022-08-02 14:38:59 -07:00
md-autodetect.c
init: improve the name_to_dev_t interface
2023-06-05 10:56:46 -06:00
md-bitmap.c
md/md-bitmap: fix GPF in bitmap_get_stats()
2025-07-17 18:35:13 +02:00
md-bitmap.h
md/md-bitmap: add 'sync_size' into struct md_bitmap_stats
2025-02-27 04:10:44 -08:00
md-cluster.c
md/md-bitmap: add 'sync_size' into struct md_bitmap_stats
2025-02-27 04:10:44 -08:00
md-cluster.h
…
md-faulty.c
md/md-faulty: enable io accounting
2023-07-27 00:13:30 -07:00
md-linear.c
md/md-linear: enable io accounting
2023-07-27 00:13:30 -07:00
md-linear.h
…
md-multipath.c
md/md-multipath: enable io accounting
2023-07-27 00:13:29 -07:00
md-multipath.h
…
md.c
md/md-cluster: handle REMOVE message earlier
2025-08-15 12:09:02 +02:00
md.h
md: use separate work_struct for md_start_sync()
2025-02-27 04:10:44 -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/raid1-10: fix casting from randomized structure in raid1_submit_write()
2023-06-23 09:33:16 -07:00
raid1.c
md/raid1: Fix stack memory use after return in raid1_reshape
2025-07-17 18:35:18 +02:00
raid1.h
md/md-bitmap: remove the last parameter for bimtap_ops->endwrite()
2025-02-21 13:57:26 +01:00
raid5-cache.c
md/md-bitmap: move bitmap_{start, end}write to md upper layer
2025-02-21 13:57:26 +01:00
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: use __bio_add_page to add single page to new bio
2023-05-31 09:50:02 -06:00
raid5.c
md/raid5: fix IO hang when array is broken with IO inflight
2026-01-11 15:21:35 +01:00
raid5.h
md/md-bitmap: move bitmap_{start, end}write to md upper layer
2025-02-21 13:57:26 +01:00
raid10.c
raid10: cleanup memleak at raid10_make_request
2025-07-17 18:35:18 +02:00
raid10.h
md/md-bitmap: remove the last parameter for bimtap_ops->endwrite()
2025-02-21 13:57:26 +01:00