dm: use unlocked variants of queue flag check/set
dm.c already provides mutual exclusion through ->map_lock.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c
index 73326e7..94116ea 100644
--- a/drivers/md/dm-table.c
+++ b/drivers/md/dm-table.c
@@ -873,13 +873,11 @@
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);
}