Merge branch 'x86/vt-d' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu...

[pandora-kernel.git] / block / blk-mq.c

diff --git a/block/blk-mq.c b/block/blk-mq.c
index 1d016fc..92ceef0 100644 (file)
--- 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)