diff options
Diffstat (limited to 'block/blk-mq.c')
| -rw-r--r-- | block/blk-mq.c | 24 |
1 files changed, 2 insertions, 22 deletions
diff --git a/block/blk-mq.c b/block/blk-mq.c index 6f29e6ceecd1..002ed5547bd7 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -1923,16 +1923,6 @@ static void blk_mq_update_dispatch_busy(struct blk_mq_hw_ctx *hctx, bool busy) static void blk_mq_handle_dev_resource(struct request *rq, struct list_head *list) { - struct request *next = - list_first_entry_or_null(list, struct request, queuelist); - - /* - * If an I/O scheduler has been configured and we got a driver tag for - * the next request already, free it. - */ - if (next) - blk_mq_put_driver_tag(next); - list_add(&rq->queuelist, list); __blk_mq_requeue_request(rq); } @@ -2032,7 +2022,7 @@ bool blk_mq_dispatch_rq_list(struct blk_mq_hw_ctx *hctx, struct list_head *list, { enum prep_dispatch prep; struct request_queue *q = hctx->queue; - struct request *rq, *nxt; + struct request *rq; int queued; blk_status_t ret = BLK_STS_OK; LIST_HEAD(zone_list); @@ -2058,17 +2048,7 @@ bool blk_mq_dispatch_rq_list(struct blk_mq_hw_ctx *hctx, struct list_head *list, list_del_init(&rq->queuelist); bd.rq = rq; - - /* - * Flag last if we have no more requests, or if we have more - * but can't assign a driver tag to it. - */ - if (list_empty(list)) - bd.last = true; - else { - nxt = list_first_entry(list, struct request, queuelist); - bd.last = !blk_mq_get_driver_tag(nxt); - } + bd.last = list_empty(list); /* * once the request is queued to lld, no need to cover the |