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Date: Mon, 7 Jan 2013 13:08:19 +0800 From: majianpeng <majianpeng@...il.com> To: axboe <axboe@...nel.dk> Cc: linux-kernel <linux-kernel@...r.kernel.org> Subject: [PATCH] block: Remove judgement for rq_mergeable(rq) in func elv_rqhash_find. Because only mergeable rq can add rqhash.So it does not make sense to judge rq_mergeable(rq) in func elv_rqhash_find. Signed-off-by: Jianpeng Ma <majianpeng@...il.com> --- block/elevator.c | 5 ----- 1 file changed, 5 deletions(-) diff --git a/block/elevator.c b/block/elevator.c index 9edba1b..d5901a4 100644 --- a/block/elevator.c +++ b/block/elevator.c @@ -273,11 +273,6 @@ static struct request *elv_rqhash_find(struct request_queue *q, sector_t offset) hlist_for_each_entry_safe(rq, entry, next, hash_list, hash) { BUG_ON(!ELV_ON_HASH(rq)); - if (unlikely(!rq_mergeable(rq))) { - __elv_rqhash_del(rq); - continue; - } - if (rq_hash_key(rq) == offset) return rq; } -- 1.7.9.5
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