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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@gmail.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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