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authorJens Axboe <axboe@fb.com>2017-02-17 11:37:14 -0700
committerJens Axboe <axboe@fb.com>2017-02-17 11:37:14 -0700
commitaaf7b0044625d9e6b4fb59c8ddb519753dcdb4a3 (patch)
tree6e144cd49cba4952cfe0f4508ffb4b00a7670130
parent11e3c3dddd649e1d94dbeaa3b47a0b5861a16c67 (diff)
blk-mq-sched: don't add flushes to the head of requeue queue
If we are currently out of driver tags, we don't want to add a new flush (without a tag) to the head of the requeue list. We want to add it to the back, behind the others that are potentially also waiting for a tag. Signed-off-by: Jens Axboe <axboe@fb.com>
-rw-r--r--block/blk-mq-sched.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/block/blk-mq-sched.c b/block/blk-mq-sched.c
index 97fe904f0a04..4ee7cb043812 100644
--- a/block/blk-mq-sched.c
+++ b/block/blk-mq-sched.c
@@ -351,7 +351,7 @@ static void blk_mq_sched_insert_flush(struct blk_mq_hw_ctx *hctx,
blk_insert_flush(rq);
blk_mq_run_hw_queue(hctx, true);
} else
- blk_mq_add_to_requeue_list(rq, true, true);
+ blk_mq_add_to_requeue_list(rq, false, true);
}
void blk_mq_sched_insert_request(struct request *rq, bool at_head,