Messages in this thread Patch in this message | | | From | Ming Lei <> | Subject | [PATCH V7 1/6] blk-mq: only run hw queues for blk-mq | Date | Sat, 30 Sep 2017 14:12:09 +0800 |
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This patch just makes it explicitely.
Tested-by: Oleksandr Natalenko <oleksandr@natalenko.name> Tested-by: Martin Steigerwald <martin@lichtvoll.de> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Cc: Bart Van Assche <Bart.VanAssche@wdc.com> Signed-off-by: Ming Lei <ming.lei@redhat.com> --- block/blk-mq.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/block/blk-mq.c b/block/blk-mq.c index 98a18609755e..6fd9f86fc86d 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -125,7 +125,8 @@ void blk_freeze_queue_start(struct request_queue *q) freeze_depth = atomic_inc_return(&q->mq_freeze_depth); if (freeze_depth == 1) { percpu_ref_kill(&q->q_usage_counter); - blk_mq_run_hw_queues(q, false); + if (q->mq_ops) + blk_mq_run_hw_queues(q, false); } } EXPORT_SYMBOL_GPL(blk_freeze_queue_start); -- 2.9.5
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