[PATCH] block: Remove judgement for rq_mergeable(rq) in func elv_rqhash_find.

[majianpeng]

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 <majianp...@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