korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-11-11 04:18:39 +08:00
Code Issues Packages Projects Releases Wiki Activity

blk-mq: return when hctx is stopped in blk_mq_run_work_fn

Browse Source 
If a hardware queue is stopped, it should not be run again before
explicitly started. Ignore stopped queues in blk_mq_run_work_fn(),
fixing a regression recently introduced when the START_ON_RUN bit
was removed.

Fixes: 15fe8a90bb ("blk-mq: remove blk_mq_delay_queue()")
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: Bart Van Assche <bart.vanassche@wdc.com>
Signed-off-by: Jianchao Wang <jianchao.w.wang@oracle.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Jianchao Wang 2018-06-04 17:03:55 +08:00 committed by Jens Axboe
parent f956d08a56
commit 0196d6b408
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
block/blk-mq.c
View File

@ -1475,7 +1475,7 @@ static void blk_mq_run_work_fn(struct work_struct *work)
* If we are stopped, don't run the queue.
*/
if (test_bit(BLK_MQ_S_STOPPED, &hctx->state))
clear_bit(BLK_MQ_S_STOPPED, &hctx->state);
return;
__blk_mq_run_hw_queue(hctx);
}