Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit b4f6f38d authored by huhai's avatar huhai Committed by Jens Axboe
Browse files

blk-mq: remove wrong 'unlikely' check 



When dispatch_rq_from_ctx is called, in the vast majority of cases
the ctx->rq_list is not empty.

Signed-off-by: default avatarhuhai <huhai@kylinos.cn>
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 68fa9dbe

block/blk-mq.c

+1 −1
Original line number Diff line number Diff line
@@ -1036,7 +1036,7 @@ static bool dispatch_rq_from_ctx(struct sbitmap *sb, unsigned int bitnr, 
	struct blk_mq_ctx *ctx = hctx->ctxs[bitnr];



	spin_lock(&ctx->lock);

	if (unlikely(!list_empty(&ctx->rq_list))) {

	if (!list_empty(&ctx->rq_list)) {

		dispatch_data->rq = list_entry_rq(ctx->rq_list.next);

		list_del_init(&dispatch_data->rq->queuelist);

		if (list_empty(&ctx->rq_list))