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Mikulas Patocka e50f83061a dm snapshot: fix lockup in dm_exception_table_exit 
[ Upstream commit 6e7132ed3c07bd8a6ce3db4bb307ef2852b322dc ]

There was reported lockup when we exit a snapshot with many exceptions.
Fix this by adding "cond_resched" to the loop that frees the exceptions.

Reported-by: John Pittman <jpittman@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-04-03 15:28:37 +02:00
..
bcache
bcache: avoid NULL checking to c->root in run_cache_set()
2023-12-20 17:01:56 +01:00
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: 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 io: Support IO priority
2024-03-26 18:20:13 -04:00
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
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
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
2024-02-23 09:25:27 +01:00
dm-crypt.c
dm-verity, dm-crypt: align "struct bvec_iter" correctly
2024-03-26 18:19:12 -04:00
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: 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
dm flakey: introduce random_read_corrupt and random_write_corrupt options
2023-06-16 18:24:13 -04:00
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: align the outgoing bio in integrity_recheck
2024-03-26 18:20:13 -04:00
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: limit the number of targets and parameter size area
2024-02-23 09:25:27 +01:00
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: add helper macro for simple DM target module init and exit
2023-04-11 12:09:08 -04:00
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: 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 io: Support IO priority
2024-03-26 18:20:13 -04:00
dm-raid.c
dm-raid: fix lockdep waring in "pers->hot_add_disk"
2024-04-03 15:28:26 +02:00
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 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 lockup in dm_exception_table_exit
2024-04-03 15:28:37 +02:00
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: limit the number of targets and parameter size area
2024-02-23 09:25:27 +01:00
dm-target.c
dm: push error reporting down to dm_register_target()
2023-04-11 12:01:01 -04:00
dm-thin-metadata.c
- 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
2023-12-08 08:52:16 +01:00
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 io: Support IO priority
2024-03-26 18:20:13 -04:00
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-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 kcopyd: avoid useless atomic operations
2021-06-04 12:07:24 -04:00
dm-zoned-target.c
dm zoned: free dmz->ddev array in dmz_put_zoned_devices
2023-09-20 13:48:06 -04:00
dm-zoned.h
dm/dm-zoned: Use the enum req_op type
2022-07-14 12:14:31 -06:00
dm.c
dm: call the resume method on internal suspend
2024-03-26 18:19:41 -04:00
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
hardening updates for v5.20-rc1
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 incorrect usage for sb_index
2024-04-03 15:28:21 +02:00
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: Hold mddev->reconfig_mutex when trying to get mddev->sync_thread
2023-08-15 09:40:26 -07:00
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/raid1: Replace zero-length array with flexible-array
2020-05-13 12:02:23 -07:00
md-multipath.c
md/md-multipath: enable io accounting
2023-07-27 00:13:29 -07:00
md-multipath.h
…
md.c
md: Don't clear MD_CLOSING when the raid is about to stop
2024-03-26 18:19:17 -04:00
md.h
md: fix warning for holder mismatch from export_rdev()
2023-09-08 13:16:40 -07:00
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: Use blk_opf_t for read and write operations
2024-01-25 15:35:46 -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-cache: fix null-ptr-deref for r5l_flush_stripe_to_raid()
2023-08-15 09:40:27 -07:00
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 atomicity violation in raid5_cache_count
2024-04-03 15:28:22 +02:00
raid5.h
hardening updates for v6.5-rc1
2023-06-27 21:24:18 -07:00
raid10.c
md: Hold mddev->reconfig_mutex when trying to get mddev->sync_thread
2023-08-15 09:40:26 -07:00
raid10.h
md/raid10: switch to use md_account_bio() for io accounting
2023-07-27 00:13:29 -07:00