diff options
Diffstat (limited to 'block/blk-mq-sched.c')
| -rw-r--r-- | block/blk-mq-sched.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/block/blk-mq-sched.c b/block/blk-mq-sched.c index e26898128a7e..97c3c8f45a9b 100644 --- a/block/blk-mq-sched.c +++ b/block/blk-mq-sched.c @@ -390,13 +390,14 @@ static void blk_mq_sched_tags_teardown(struct request_queue *q, unsigned int fla void blk_mq_sched_reg_debugfs(struct request_queue *q) { struct blk_mq_hw_ctx *hctx; + unsigned int memflags; unsigned long i; - mutex_lock(&q->debugfs_mutex); + memflags = blk_debugfs_lock(q); blk_mq_debugfs_register_sched(q); queue_for_each_hw_ctx(q, hctx, i) blk_mq_debugfs_register_sched_hctx(q, hctx); - mutex_unlock(&q->debugfs_mutex); + blk_debugfs_unlock(q, memflags); } void blk_mq_sched_unreg_debugfs(struct request_queue *q) @@ -404,11 +405,11 @@ void blk_mq_sched_unreg_debugfs(struct request_queue *q) struct blk_mq_hw_ctx *hctx; unsigned long i; - mutex_lock(&q->debugfs_mutex); + blk_debugfs_lock_nomemsave(q); queue_for_each_hw_ctx(q, hctx, i) blk_mq_debugfs_unregister_sched_hctx(hctx); blk_mq_debugfs_unregister_sched(q); - mutex_unlock(&q->debugfs_mutex); + blk_debugfs_unlock_nomemrestore(q); } void blk_mq_free_sched_tags(struct elevator_tags *et, |