author: Jeffle Xu <jefflexu@linux.alibaba.com> 2021-02-22 14:54:52 +0800
committer: Jens Axboe <axboe@kernel.dk> 2021-02-22 06:40:02 -0700
commit: 6b09b4d33bd964f49d07d3cabfb4204d58cf9811
parent: b357e4a694ac4b95096715df253548f7e1f2723f
Commit Summary:
Diffstat:
1 file changed, 5 insertions, 2 deletions
diff --git a/block/blk-sysfs.c b/block/blk-sysfs.c
index ae39c7f3d83d..0f4f0c8a7825 100644
--- a/block/blk-sysfs.c
+++ b/block/blk-sysfs.c
@@ -434,10 +434,13 @@ static ssize_t queue_poll_store(struct request_queue *q, const char *page,
if (ret < 0)
return ret;
- if (poll_on)
+ if (poll_on) {
blk_queue_flag_set(QUEUE_FLAG_POLL, q);
- else
+ } else {
+ blk_mq_freeze_queue(q);
blk_queue_flag_clear(QUEUE_FLAG_POLL, q);
+ blk_mq_unfreeze_queue(q);
+ }
return ret;
}