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

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
...@@ -1036,7 +1036,7 @@ static bool dispatch_rq_from_ctx(struct sbitmap *sb, unsigned int bitnr, ...@@ -1036,7 +1036,7 @@ static bool dispatch_rq_from_ctx(struct sbitmap *sb, unsigned int bitnr,
struct blk_mq_ctx *ctx = hctx->ctxs[bitnr]; struct blk_mq_ctx *ctx = hctx->ctxs[bitnr];
spin_lock(&ctx->lock); 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); dispatch_data->rq = list_entry_rq(ctx->rq_list.next);
list_del_init(&dispatch_data->rq->queuelist); list_del_init(&dispatch_data->rq->queuelist);
if (list_empty(&ctx->rq_list)) if (list_empty(&ctx->rq_list))
......
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