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Hyeongseok Kim 41ae3e574c dm verity: skip verity work if I/O error when system is shutting down 
[ Upstream commit 252bd12563 ]

If emergency system shutdown is called, like by thermal shutdown,
a dm device could be alive when the block device couldn't process
I/O requests anymore. In this state, the handling of I/O errors
by new dm I/O requests or by those already in-flight can lead to
a verity corruption state, which is a misjudgment.

So, skip verity work in response to I/O error when system is shutting
down.

Signed-off-by: Hyeongseok Kim <hyeongseok@gmail.com>
Reviewed-by: Sami Tolvanen <samitolvanen@google.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
 		2021-01-06 14:48:41 +01:00
..
bcache bcache: fix a lost wake-up problem caused by mca_cannibalize_lock 2020-10-01 13:17:18 +02:00
persistent-data dm thin metadata: Fix use-after-free in dm_bm_set_read_only 2020-09-09 19:12:36 +02:00
Kconfig dm: add clone target 2019-09-12 09:32:31 -04:00
Makefile dm: add clone target 2019-09-12 09:32:31 -04:00
dm-bio-prison-v1.c dm: adjust structure members to improve alignment 2018-06-08 11:53:14 -04:00
dm-bio-prison-v1.h block: switch bios to blk_status_t 2017-06-09 09:27:32 -06:00
dm-bio-prison-v2.c dm: adjust structure members to improve alignment 2018-06-08 11:53:14 -04:00
dm-bio-prison-v2.h
…
dm-bio-record.h dm bio record: save/restore bi_end_io and bi_integrity 2020-03-25 08:25:48 +01:00
dm-bufio.c dm bufio: introduce a global cache replacement 2019-09-13 17:00:21 -04:00
dm-builtin.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
dm-cache-background-tracker.c dm cache background tracker: fix sparse warning 2018-04-30 15:40:40 -04:00
dm-cache-background-tracker.h
…
dm-cache-block-types.h
…
dm-cache-metadata.c dm cache metadata: Avoid returning cmd->bm wild pointer on error 2020-09-09 19:12:35 +02:00
dm-cache-metadata.h
…
dm-cache-policy-internal.h
…
dm-cache-policy-smq.c dm: remove unnecessary unlikely() around WARN_ON_ONCE() 2018-10-16 14:34:59 -04:00
dm-cache-policy.c
…
dm-cache-policy.h
…
dm-cache-target.c dm cache: fix a crash due to incorrect work item cancelling 2020-03-12 13:00:23 +01:00
dm-clone-metadata.c dm clone: Fix handling of partial region discards 2020-04-17 10:50:24 +02:00
dm-clone-metadata.h dm clone: replace spin_lock_irqsave with spin_lock_irq 2020-04-17 10:50:23 +02:00
dm-clone-target.c dm clone: Add missing casts to prevent overflows and data corruption 2020-04-17 10:50:24 +02:00
dm-core.h dm: disable DISCARD if the underlying storage no longer supports it 2019-04-04 15:33:59 -04:00
dm-crypt.c dm crypt: Initialize crypto wait structures 2020-09-09 19:12:35 +02:00
dm-delay.c dm delay: fix a crash when invalid device is specified 2019-04-26 11:29:32 -04:00
dm-dust.c dm dust: use dust block size for badblocklist index 2019-08-21 11:27:17 -04:00
dm-era-target.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
dm-exception-store.c
…
dm-exception-store.h - Improve DM snapshot target's scalability by using finer grained 2019-05-16 15:55:48 -07:00
dm-flakey.c block: Kill gfp_t argument of blkdev_report_zones() 2019-07-11 20:04:37 -06:00
dm-init.c docs: device-mapper: move it to the admin-guide 2019-07-15 11:03:01 -03:00
dm-integrity.c dm integrity: fix error reporting in bitmap mode after creation 2020-09-09 19:12:35 +02:00
dm-io.c dm: Use kzalloc for all structs with embedded biosets/mempools 2018-06-05 08:47:43 -06:00
dm-ioctl.c dm ioctl: fix error return code in target_message 2020-12-30 11:51:18 +01:00
dm-kcopyd.c dm kcopyd: always complete failed jobs 2019-08-15 15:57:39 -04:00
dm-linear.c block: Kill gfp_t argument of blkdev_report_zones() 2019-07-11 20:04:37 -06:00
dm-log-userspace-base.c dm: convert to bioset_init()/mempool_init() 2018-05-30 15:33:32 -06:00
dm-log-userspace-transfer.c
…
dm-log-userspace-transfer.h
…
dm-log-writes.c dm log writes: fix incorrect comment about the logged sequence example 2019-07-09 14:13:33 -04:00
dm-log.c
…
dm-mpath.c dm mpath: fix racey management of PG initialization 2020-09-09 19:12:35 +02:00
dm-mpath.h
…
dm-path-selector.c
…
dm-path-selector.h
…
dm-queue-length.c dm mpath selector: more evenly distribute ties 2018-01-29 13:44:58 -05:00
dm-raid.c dm raid: fix updating of max_discard_sectors limit 2019-09-11 16:18:23 -04:00
dm-raid1.c dm raid1: use struct_size() with kzalloc() 2019-08-26 11:05:32 -04:00
dm-region-hash.c - Error path bug fix for overflow tests (Dan) 2018-06-12 18:28:00 -07:00
dm-round-robin.c
…
dm-rq.c dm rq: don't call blk_mq_queue_stopped() in dm_stop_queue() 2020-08-21 13:05:33 +02:00
dm-rq.h dm: remove unused _rq_tio_cache and _rq_cache 2019-03-05 14:48:50 -05:00
dm-service-time.c dm mpath selector: more evenly distribute ties 2018-01-29 13:44:58 -05:00
dm-snap-persistent.c block: fix an integer overflow in logical block size 2020-01-23 08:22:32 +01:00
dm-snap-transient.c
…
dm-snap.c dm snapshot: rework COW throttling to fix deadlock 2019-10-10 09:46:05 -04:00
dm-stats.c dm stats: use struct_size() helper 2019-09-04 09:39:22 -04:00
dm-stats.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
dm-stripe.c dax: Introduce a ->copy_to_iter dax operation 2018-05-22 23:18:31 -07:00
dm-switch.c dm switch: use struct_size() in kzalloc() 2019-03-05 14:48:51 -05:00
dm-sysfs.c dm: remove legacy request-based IO path 2018-10-11 11:36:09 -04:00
dm-table.c dm table: Remove BUG_ON(in_interrupt()) 2020-12-30 11:50:57 +01:00
dm-target.c dm mpath: fix missing call of path selector type->end_io 2019-04-25 15:38:52 -04:00
dm-thin-metadata.c dm thin metadata: Fix use-after-free in dm_bm_set_read_only 2020-09-09 19:12:36 +02:00
dm-thin-metadata.h dm thin metadata: Add support for a pre-commit callback 2019-12-21 11:05:01 +01:00
dm-thin.c dm thin: don't allow changing data device during thin-pool reload 2020-02-24 08:36:49 +01:00
dm-uevent.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
dm-uevent.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
dm-unstripe.c dm: Check for device sector overflow if CONFIG_LBDAF is not set 2018-12-18 09:02:26 -05:00
dm-verity-fec.c dm verity fec: fix hash block number in verity_fec_decode 2020-05-06 08:15:10 +02:00
dm-verity-fec.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
dm-verity-target.c dm verity: skip verity work if I/O error when system is shutting down 2021-01-06 14:48:41 +01:00
dm-verity-verify-sig.c dm verity: add root hash pkcs#7 signature verification 2019-08-23 10:13:14 -04:00
dm-verity-verify-sig.h dm verity: add root hash pkcs#7 signature verification 2019-08-23 10:13:14 -04:00
dm-verity.h dm verity: add root hash pkcs#7 signature verification 2019-08-23 10:13:14 -04:00
dm-writecache.c dm writecache: remove BUG() and fail gracefully instead 2020-12-11 13:23:33 +01:00
dm-zero.c dm: don't return errnos from ->map 2017-06-09 09:27:32 -06:00
dm-zoned-metadata.c dm zoned: return NULL if dmz_get_zone_for_reclaim() fails to find a zone 2020-06-24 17:50:31 +02:00
dm-zoned-reclaim.c dm zoned: return NULL if dmz_get_zone_for_reclaim() fails to find a zone 2020-06-24 17:50:31 +02:00
dm-zoned-target.c dm zoned: assign max_io_len correctly 2020-07-09 09:37:57 +02:00
dm-zoned.h dm zoned: reduce overhead of backing device checks 2019-12-17 19:56:12 +01:00
dm.c dm: remove invalid sparse __acquires and __releases annotations 2020-12-11 13:23:30 +01:00
dm.h dm: make dm_table_find_target return NULL 2019-08-23 10:13:12 -04:00
md-bitmap.c md/bitmap: md_bitmap_get_counter returns wrong blocks 2020-11-05 11:43:20 +01:00
md-bitmap.h md: Avoid namespace collision with bitmap API 2018-08-01 15:49:39 -07:00
md-cluster.c md/cluster: fix deadlock when node is doing resync job 2020-12-30 11:51:45 +01:00
md-cluster.h md-cluster: introduce resync_info_get interface for sanity check 2018-10-18 09:36:35 -07:00
md-faulty.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 47 2019-05-24 17:27:13 +02:00
md-linear.c md: improve handling of bio with REQ_PREFLUSH in md_flush_request() 2019-12-17 19:56:14 +01:00
md-linear.h Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/shli/md 2017-11-14 16:07:26 -08:00
md-multipath.c md: improve handling of bio with REQ_PREFLUSH in md_flush_request() 2019-12-17 19:56:14 +01:00
md-multipath.h md: convert to bioset_init()/mempool_init() 2018-05-30 15:33:32 -06:00
md.c md/cluster: fix deadlock when node is doing resync job 2020-12-30 11:51:45 +01:00
md.h md: improve handling of bio with REQ_PREFLUSH in md_flush_request() 2019-12-17 19:56:14 +01:00
raid0.c block: fix an integer overflow in logical block size 2020-01-23 08:22:32 +01:00
raid0.h md/raid0: avoid RAID0 data corruption due to layout confusion. 2019-09-13 13:10:05 -07:00
raid1-10.c md: raid1-10: Unify r{1,10}bio_pool_free 2019-06-15 01:37:35 -06:00
raid1.c md: raid1: check rdev before reference in raid1_sync_request func 2020-01-09 10:19:48 +01:00
raid1.h md: convert to bioset_init()/mempool_init() 2018-05-30 15:33:32 -06:00
raid5-cache.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 288 2019-06-05 17:36:37 +02:00
raid5-log.h raid5: set write hint for PPL 2019-03-12 10:15:18 -07:00
raid5-ppl.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 288 2019-06-05 17:36:37 +02:00
raid5.c md/raid5: fix oops during stripe resizing 2020-11-05 11:43:22 +01:00
raid5.h raid5: use bio_end_sector in r5_next_bio 2019-09-13 13:14:43 -07:00
raid10.c md/raid10: initialize r10_bio->read_slot before use. 2021-01-06 14:48:35 +01:00
raid10.h md: convert to bioset_init()/mempool_init() 2018-05-30 15:33:32 -06:00