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dm: remove flush_scheduled_work() during local_exit()

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[ Upstream commit 0b22ff5360 ]

Commit acfe0ad74d ("dm: allocate a special workqueue for deferred
device removal") switched from using system workqueue to a single
workqueue local to DM.  But it didn't eliminate the call to
flush_scheduled_work() that was introduced purely for the benefit of
deferred device removal with commit 2c140a246d ("dm: allow remove to
be deferred").

Since DM core uses its own workqueue (and queue_work) there is no need
to call flush_scheduled_work() from local_exit().  local_exit()'s
destroy_workqueue(deferred_remove_workqueue) handles flushing work
started with queue_work().

Fixes: acfe0ad74d ("dm: allocate a special workqueue for deferred device removal")
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Mike Snitzer 2023-02-14 13:06:05 -05:00 committed by Greg Kroah-Hartman
parent f23a4b9bf8
commit c550f65a54
1 changed files with 0 additions and 1 deletions
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drivers/md/dm.c
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@ -265,7 +265,6 @@ static int __init local_init(void)
static void local_exit(void)
{
flush_scheduled_work();
destroy_workqueue(deferred_remove_workqueue);
unregister_blkdev(_major, _name);