From 14b83e172f0bc83b8dcf78ee8b1844beeffb418d Mon Sep 17 00:00:00 2001 From: Ming Lei Date: Thu, 5 Jun 2014 00:23:55 +0800 Subject: block: mq flush: clear flush_rq's tag in flush_end_io() blk_mq_tag_to_rq() needs to be able to tell if it should return the original request, or the flush request if we are doing a flush sequence. Clear the flush tag when IO completes for a flush, since that is what we are comparing against. Signed-off-by: Ming Lei Signed-off-by: Jens Axboe --- block/blk-flush.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'block/blk-flush.c') diff --git a/block/blk-flush.c b/block/blk-flush.c index ff87c664b7df6..8ffee4b5f93de 100644 --- a/block/blk-flush.c +++ b/block/blk-flush.c @@ -225,7 +225,7 @@ static void flush_end_io(struct request *flush_rq, int error) if (q->mq_ops) { spin_lock_irqsave(&q->mq_flush_lock, flags); - q->flush_rq->cmd_flags = 0; + q->flush_rq->tag = -1; } running = &q->flush_queue[q->flush_running_idx]; -- cgit v1.2.3