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authorChristoph Hellwig <hch@lst.de>2021-11-26 13:17:59 +0100
committerJens Axboe <axboe@kernel.dk>2021-11-29 06:41:29 -0700
commit79bb1dbd12005f2143670a9a4f13d91e64725717 (patch)
treecb7f63ebec6c739016761e886323c7a23ddd8722 /block/blk-merge.c
parent82baa324dc41005ab8afc5afee5bfe9cc54f12c4 (diff)
block: don't check ->rq_disk in merges
There is a 1:1 relationship between request_queues and gendisks now, so no need for these extra checks. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com> Link: https://lore.kernel.org/r/20211126121802.2090656-3-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/blk-merge.c')
-rw-r--r--block/blk-merge.c7
1 files changed, 1 insertions, 6 deletions
diff --git a/block/blk-merge.c b/block/blk-merge.c
index e07f5a1ae86e..4de34a332c9f 100644
--- a/block/blk-merge.c
+++ b/block/blk-merge.c
@@ -777,8 +777,7 @@ static struct request *attempt_merge(struct request_queue *q,
if (req_op(req) != req_op(next))
return NULL;
- if (rq_data_dir(req) != rq_data_dir(next)
- || req->rq_disk != next->rq_disk)
+ if (rq_data_dir(req) != rq_data_dir(next))
return NULL;
if (req_op(req) == REQ_OP_WRITE_SAME &&
@@ -905,10 +904,6 @@ bool blk_rq_merge_ok(struct request *rq, struct bio *bio)
if (bio_data_dir(bio) != rq_data_dir(rq))
return false;
- /* must be same device */
- if (rq->rq_disk != bio->bi_bdev->bd_disk)
- return false;
-
/* only merge integrity protected bio into ditto rq */
if (blk_integrity_merge_bio(rq->q, rq, bio) == false)
return false;