dm cache: Fix ABBA deadlock between shrink_slab and dm_cache_metadata_abort

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Same ABBA deadlock pattern fixed in commit 4b60f452ec51 ("dm thin: Fix
ABBA deadlock between shrink_slab and dm_pool_abort_metadata") to
DM-cache's metadata.

Reported-by: Zhihao Cheng <chengzhihao1@huawei.com>
Cc: stable@vger.kernel.org
Fixes: 028ae9f76f ("dm cache: add fail io mode and needs_check flag")
Signed-off-by: Mike Snitzer <snitzer@kernel.org>

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This commit is contained in:

Mike Snitzer 2022-11-30 13:26:32 -05:00

parent 8111964f1b

commit 352b837a55

1 changed files with 47 additions and 7 deletions

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54

drivers/md/dm-cache-metadata.c

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