diff options
Diffstat (limited to 'block/blk-mq.c')
| -rw-r--r-- | block/blk-mq.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/block/blk-mq.c b/block/blk-mq.c index 0d4cd39c3d25..58b0d6c7cc34 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -4631,13 +4631,15 @@ int blk_mq_update_nr_requests(struct request_queue *q, unsigned int nr) int ret; unsigned long i; + if (WARN_ON_ONCE(!q->mq_freeze_depth)) + return -EINVAL; + if (!set) return -EINVAL; if (q->nr_requests == nr) return 0; - blk_mq_freeze_queue(q); blk_mq_quiesce_queue(q); ret = 0; @@ -4671,7 +4673,6 @@ int blk_mq_update_nr_requests(struct request_queue *q, unsigned int nr) } blk_mq_unquiesce_queue(q); - blk_mq_unfreeze_queue(q); return ret; } |