Commit c9a3f6d6 authored by Jens Axboe's avatar Jens Axboe Committed by Linus Torvalds
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dm: use unlocked variants of queue flag check/set 



dm.c already provides mutual exclusion through ->map_lock.

Signed-off-by: default avatarJens Axboe <jens.axboe@oracle.com>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent a217656c

drivers/md/dm-table.c

+3 −5
Original line number Diff line number Diff line
@@ -873,13 +873,11 @@ void dm_table_set_restrictions(struct dm_table *t, struct request_queue *q) 
	q->max_hw_sectors = t->limits.max_hw_sectors;

	q->seg_boundary_mask = t->limits.seg_boundary_mask;

	q->bounce_pfn = t->limits.bounce_pfn;

	/* XXX: the below will probably go bug. must ensure there can be no

	 * concurrency on queue_flags, and use the unlocked versions...

	 */



	if (t->limits.no_cluster)

		queue_flag_clear(QUEUE_FLAG_CLUSTER, q);

		queue_flag_clear_unlocked(QUEUE_FLAG_CLUSTER, q);

	else

		queue_flag_set(QUEUE_FLAG_CLUSTER, q);

		queue_flag_set_unlocked(QUEUE_FLAG_CLUSTER, q);



}