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Alex Lyakas fd9a2c7003 md: Whenassemble the array, consult the superblock of the freshest device 
[ Upstream commit dc1cc22ed58f11d58d8553c5ec5f11cbfc3e3039 ]

Upon assembling the array, both kernel and mdadm allow the devices to have event
counter difference of 1, and still consider them as up-to-date.
However, a device whose event count is behind by 1, may in fact not be up-to-date,
and array resync with such a device may cause data corruption.
To avoid this, consult the superblock of the freshest device about the status
of a device, whose event counter is behind by 1.

Signed-off-by: Alex Lyakas <alex.lyakas@zadara.com>
Signed-off-by: Song Liu <song@kernel.org>
Link: https://lore.kernel.org/r/1702470271-16073-1-git-send-email-alex.lyakas@zadara.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-02-05 20:12:53 +00:00
..
bcache
bcache: avoid NULL checking to c->root in run_cache_set()
2023-12-20 17:00:22 +01:00
persistent-data
dm thin metadata: Fix ABBA deadlock by resetting dm_bufio_client
2024-01-01 12:39:05 +00:00
dm-audit.c
…
dm-audit.h
…
dm-bio-prison-v1.c
dm: change "unsigned" to "unsigned int"
2023-04-13 16:55:17 +02:00
dm-bio-prison-v1.h
…
dm-bio-prison-v2.c
dm: change "unsigned" to "unsigned int"
2023-04-13 16:55:17 +02:00
dm-bio-prison-v2.h
dm: change "unsigned" to "unsigned int"
2023-04-13 16:55:17 +02:00
dm-bio-record.h
…
dm-bufio.c
dm thin metadata: Fix ABBA deadlock by resetting dm_bufio_client
2024-01-01 12:39:05 +00:00
dm-builtin.c
…
dm-cache-background-tracker.c
dm: change "unsigned" to "unsigned int"
2023-04-13 16:55:17 +02:00
dm-cache-background-tracker.h
dm: change "unsigned" to "unsigned int"
2023-04-13 16:55:17 +02:00
dm-cache-block-types.h
…
dm-cache-metadata.c
dm: change "unsigned" to "unsigned int"
2023-04-13 16:55:17 +02:00
dm-cache-metadata.h
dm: change "unsigned" to "unsigned int"
2023-04-13 16:55:17 +02:00
dm-cache-policy-internal.h
dm: change "unsigned" to "unsigned int"
2023-04-13 16:55:17 +02:00
dm-cache-policy-smq.c
dm cache policy smq: ensure IO doesn't prevent cleaner policy progress
2023-08-03 10:24:17 +02:00
dm-cache-policy.c
dm: change "unsigned" to "unsigned int"
2023-04-13 16:55:17 +02:00
dm-cache-policy.h
dm: change "unsigned" to "unsigned int"
2023-04-13 16:55:17 +02:00
dm-cache-target.c
dm: change "unsigned" to "unsigned int"
2023-04-13 16:55:17 +02:00
dm-clone-metadata.c
…
dm-clone-metadata.h
…
dm-clone-target.c
dm clone: call kmem_cache_destroy() in dm_clone_init() error path
2023-05-11 23:03:41 +09:00
dm-core.h
dm: fix a race condition in retrieve_deps
2023-10-06 14:56:32 +02:00
dm-crypt.c
dm: avoid split of quoted strings where possible
2023-07-19 16:22:07 +02:00
dm-delay.c
dm-delay: fix a race between delay_presuspend and delay_bio
2023-12-03 07:32:11 +01:00
dm-dust.c
…
dm-ebs-target.c
dm: change "unsigned" to "unsigned int"
2023-04-13 16:55:17 +02:00
dm-era-target.c
dm: change "unsigned" to "unsigned int"
2023-04-13 16:55:17 +02:00
dm-exception-store.c
dm: change "unsigned" to "unsigned int"
2023-04-13 16:55:17 +02:00
dm-exception-store.h
dm: change "unsigned" to "unsigned int"
2023-04-13 16:55:17 +02:00
dm-flakey.c
dm flakey: fix a crash with invalid table line
2023-05-11 23:03:41 +09:00
dm-ima.c
dm table: audit all dm_table_get_target() callers
2022-07-07 11:49:34 -04:00
dm-ima.h
…
dm-init.c
dm init: add dm-mod.waitfor to wait for asynchronously probed block devices
2023-07-23 13:49:38 +02:00
dm-integrity.c
dm-integrity: don't modify bio's immutable bio_vec in integrity_metadata()
2024-01-01 12:39:07 +00:00
dm-io-rewind.c
dm: change "unsigned" to "unsigned int"
2023-04-13 16:55:17 +02:00
dm-io-tracker.h
…
dm-io.c
dm: change "unsigned" to "unsigned int"
2023-04-13 16:55:17 +02:00
dm-ioctl.c
dm: fix a race condition in retrieve_deps
2023-10-06 14:56:32 +02:00
dm-kcopyd.c
dm: change "unsigned" to "unsigned int"
2023-04-13 16:55:17 +02:00
dm-linear.c
dm: change "unsigned" to "unsigned int"
2023-04-13 16:55:17 +02:00
dm-log-userspace-base.c
dm: change "unsigned" to "unsigned int"
2023-04-13 16:55:17 +02:00
dm-log-userspace-transfer.c
dm: avoid split of quoted strings where possible
2023-07-19 16:22:07 +02:00
dm-log-userspace-transfer.h
…
dm-log-writes.c
dm: change "unsigned" to "unsigned int"
2023-04-13 16:55:17 +02:00
dm-log.c
dm: avoid split of quoted strings where possible
2023-07-19 16:22:07 +02:00
dm-mpath.c
dm: fix undue/missing spaces
2023-07-19 16:22:07 +02:00
dm-mpath.h
dm: change "unsigned" to "unsigned int"
2023-04-13 16:55:17 +02:00
dm-path-selector.c
…
dm-path-selector.h
dm: change "unsigned" to "unsigned int"
2023-04-13 16:55:17 +02:00
dm-ps-historical-service-time.c
dm mpath: provide high-resolution timer to HST for bio-based
2022-05-09 15:39:23 -04:00
dm-ps-io-affinity.c
dm: change "unsigned" to "unsigned int"
2023-04-13 16:55:17 +02:00
dm-ps-queue-length.c
dm: change "unsigned" to "unsigned int"
2023-04-13 16:55:17 +02:00
dm-ps-round-robin.c
dm: change "unsigned" to "unsigned int"
2023-04-13 16:55:17 +02:00
dm-ps-service-time.c
dm: fix undue/missing spaces
2023-07-19 16:22:07 +02:00
dm-raid1.c
dm: avoid split of quoted strings where possible
2023-07-19 16:22:07 +02:00
dm-raid.c
dm raid: protect md_stop() with 'reconfig_mutex'
2023-08-03 10:24:05 +02:00
dm-region-hash.c
dm: change "unsigned" to "unsigned int"
2023-04-13 16:55:17 +02:00
dm-rq.c
dm: change "unsigned" to "unsigned int"
2023-04-13 16:55:17 +02:00
dm-rq.h
dm: change "unsigned" to "unsigned int"
2023-04-13 16:55:17 +02:00
dm-snap-persistent.c
dm: avoid split of quoted strings where possible
2023-07-19 16:22:07 +02:00
dm-snap-transient.c
dm: avoid split of quoted strings where possible
2023-07-19 16:22:07 +02:00
dm-snap.c
dm: avoid split of quoted strings where possible
2023-07-19 16:22:07 +02:00
dm-stats.c
dm: change "unsigned" to "unsigned int"
2023-04-13 16:55:17 +02:00
dm-stats.h
dm: change "unsigned" to "unsigned int"
2023-04-13 16:55:17 +02:00
dm-stripe.c
dm: avoid split of quoted strings where possible
2023-07-19 16:22:07 +02:00
dm-switch.c
dm: change "unsigned" to "unsigned int"
2023-04-13 16:55:17 +02:00
dm-sysfs.c
dm sysfs: use default_groups in kobj_type
2022-01-06 09:48:55 -05:00
dm-table.c
dm: fix a race condition in retrieve_deps
2023-10-06 14:56:32 +02:00
dm-target.c
dax: introduce DAX_RECOVERY_WRITE dax access mode
2022-05-16 13:35:56 -07:00
dm-thin-metadata.c
dm thin metadata: Fix ABBA deadlock by resetting dm_bufio_client
2024-01-01 12:39:05 +00:00
dm-thin-metadata.h
dm thin metadata: remove unused dm_thin_remove_block and __remove
2022-02-22 13:55:50 -05:00
dm-thin.c
dm thin: fix issue_discard to pass GFP_NOIO to __blkdev_issue_discard
2023-06-21 16:00:55 +02:00
dm-uevent.c
dm: change "unsigned" to "unsigned int"
2023-04-13 16:55:17 +02:00
dm-uevent.h
dm: fix undue/missing spaces
2023-07-19 16:22:07 +02:00
dm-unstripe.c
…
dm-verity-fec.c
dm-verity: align struct dm_verity_fec_io properly
2023-12-08 08:51:14 +01:00
dm-verity-fec.h
dm: change "unsigned" to "unsigned int"
2023-04-13 16:55:17 +02:00
dm-verity-loadpin.c
dm: verity-loadpin: Add NULL pointer check for 'bdev' parameter
2023-07-23 13:49:43 +02:00
dm-verity-target.c
dm verity: don't perform FEC for failed readahead IO
2023-12-08 08:51:14 +01:00
dm-verity-verify-sig.c
…
dm-verity-verify-sig.h
…
dm-verity.h
dm-verity: align struct dm_verity_fec_io properly
2023-12-08 08:51:14 +01:00
dm-writecache.c
dm: fix undue/missing spaces
2023-07-19 16:22:07 +02:00
dm-zero.c
…
dm-zone.c
- Refactor DM core's mempool allocation so that it clearer by not
2022-08-02 14:21:25 -07:00
dm-zoned-metadata.c
dm: avoid split of quoted strings where possible
2023-07-19 16:22:07 +02:00
dm-zoned-reclaim.c
…
dm-zoned-target.c
dm zoned: free dmz->ddev array in dmz_put_zoned_devices
2023-10-10 22:00:44 +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: don't attempt to queue IO under RCU protection
2023-09-23 11:11:10 +02:00
dm.h
dm: change "unsigned" to "unsigned int"
2023-04-13 16:55:17 +02:00
Kconfig
dm audit: fix Kconfig so DM_AUDIT depends on BLK_DEV_DM
2024-01-20 11:50:08 +01:00
Makefile
hardening updates for v5.20-rc1
2022-08-02 14:38:59 -07:00
md-autodetect.c
md: return the allocated devices from md_alloc
2022-08-02 17:22:46 -06:00
md-bitmap.c
md/md-bitmap: hold 'reconfig_mutex' in backlog_store()
2023-09-13 09:42:41 +02:00
md-bitmap.h
md/raid1-10: submit write io directly if bitmap is not enabled
2023-07-19 16:20:58 +02:00
md-cluster.c
fs: dlm: remove DLM_LSFL_FS from uapi
2022-08-23 14:54:54 -05:00
md-cluster.h
…
md-faulty.c
block: pass a block_device to bio_clone_fast
2022-02-04 07:43:18 -07:00
md-linear.c
md: add error_handlers for raid0 and linear
2023-09-13 09:42:44 +02:00
md-linear.h
…
md-multipath.c
md: remove most calls to bdevname
2022-05-22 23:07:21 -07:00
md-multipath.h
…
md.c
md: Whenassemble the array, consult the superblock of the freshest device
2024-02-05 20:12:53 +00:00
md.h
md: add error_handlers for raid0 and linear
2023-09-13 09:42:44 +02:00
raid0.c
md: raid0: account for split bio in iostat accounting
2023-09-13 09:42:44 +02:00
raid0.h
md/raid0: add discard support for the 'original' layout
2023-07-23 13:49:37 +02:00
raid1-10.c
md/raid1-10: fix casting from randomized structure in raid1_submit_write()
2023-07-19 16:21:45 +02:00
raid1.c
md/raid1: Use blk_opf_t for read and write operations
2024-01-25 15:27:43 -08:00
raid1.h
md: raid1/raid10: drop pending_cnt
2022-03-08 15:16:54 -08:00
raid5-cache.c
md/raid5-cache: fix null-ptr-deref for r5l_flush_stripe_to_raid()
2023-09-13 09:42:44 +02:00
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-ppl: Drop unused argument from ppl_handle_flush_request()
2022-08-02 17:14:31 -06:00
raid5.c
Revert "Revert "md/raid5: Wait for MD_SB_CHANGE_PENDING in raid5d""
2024-01-25 15:27:52 -08:00
raid5.h
md/raid5: Cleanup prototype of raid5_get_active_stripe()
2022-09-22 00:05:04 -07:00
raid10.c
md/raid10: use dereference_rdev_and_rrdev() to get devices
2023-09-13 09:42:41 +02:00
raid10.h
md/raid10: convert resync_lock to use seqlock
2022-09-22 00:05:05 -07:00