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authorJames Bottomley <JBottomley@Parallels.com>2014-12-08 07:40:20 -0800
committerJames Bottomley <JBottomley@Parallels.com>2014-12-08 07:40:20 -0800
commitdc843ef00e79ef0466d4d66bb20beeccda92e003 (patch)
tree7491381fdd81b6d40b25fec533e6f249d7823ce3 /block/blk-mq.c
parent009d0431c3914de64666bec0d350e54fdd59df6a (diff)
parent249b15ba6380830881b7863ca5dd3f33320adfdb (diff)
Merge remote-tracking branch 'scsi-queue/core-for-3.19' into for-linus
Diffstat (limited to 'block/blk-mq.c')
-rw-r--r--block/blk-mq.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/block/blk-mq.c b/block/blk-mq.c
index 1d016fc9a8b6..92ceef0d2ab9 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -2049,6 +2049,8 @@ static int blk_mq_alloc_rq_maps(struct blk_mq_tag_set *set)
*/
int blk_mq_alloc_tag_set(struct blk_mq_tag_set *set)
{
+ BUILD_BUG_ON(BLK_MQ_MAX_DEPTH > 1 << BLK_MQ_UNIQUE_TAG_BITS);
+
if (!set->nr_hw_queues)
return -EINVAL;
if (!set->queue_depth)