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(parent: 0ca44fc) | patch
dm: add cond_resched() to dm_wq_requeue_work()
authorMike Snitzer <snitzer@kernel.org>
Thu, 16 Feb 2023 17:10:05 +0000 (12:10 -0500)
committerMike Snitzer <snitzer@kernel.org>
Thu, 16 Feb 2023 17:10:05 +0000 (12:10 -0500)
commitf77692d65d54665d81815349cc727baa85e8b71d
tree5a3a18362f53370945bcc13289af5e91ea3cbe56tree | snapshot
parent0ca44fcef241768fd25ee763b3d203b9852f269bcommit | diff
dm: add cond_resched() to dm_wq_requeue_work()

Otherwise the while() loop in dm_wq_requeue_work() can result in a
"dead loop" on systems that have preemption disabled. This is
particularly problematic on single cpu systems.

Fixes: 8b211aaccb915 ("dm: add two stage requeue mechanism")
Cc: stable@vger.kernel.org
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
drivers/md/dm.c diff | blob | history
Domain: System / Kernel;