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| author | Mike Christie <mchristi@redhat.com> | 2016-06-05 21:32:15 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2016-06-07 21:41:38 +0200 |
| commit | 8fe0d473f5477e9916d3ac581a226acfe83142be (patch) | |
| tree | a433795d1ad57cd0b2fdf64e6d3b7ae579abfd78 /block/blk-merge.c | |
| parent | blkg_rwstat: separate op from flags (diff) | |
| download | linux-8fe0d473f5477e9916d3ac581a226acfe83142be.tar.xz linux-8fe0d473f5477e9916d3ac581a226acfe83142be.zip | |
block: convert merge/insert code to check for REQ_OPs.
This patch converts the block layer merging code to use separate variables
for the operation and flags, and to check req_op for the REQ_OP.
Signed-off-by: Mike Christie <mchristi@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'block/blk-merge.c')
| -rw-r--r-- | block/blk-merge.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/block/blk-merge.c b/block/blk-merge.c index 5a03f967557a..c265348b75d1 100644 --- a/block/blk-merge.c +++ b/block/blk-merge.c @@ -649,7 +649,8 @@ static int attempt_merge(struct request_queue *q, struct request *req, if (!rq_mergeable(req) || !rq_mergeable(next)) return 0; - if (!blk_check_merge_flags(req->cmd_flags, next->cmd_flags)) + if (!blk_check_merge_flags(req->cmd_flags, req_op(req), next->cmd_flags, + req_op(next))) return 0; /* @@ -663,7 +664,7 @@ static int attempt_merge(struct request_queue *q, struct request *req, || req_no_special_merge(next)) return 0; - if (req->cmd_flags & REQ_WRITE_SAME && + if (req_op(req) == REQ_OP_WRITE_SAME && !blk_write_same_mergeable(req->bio, next->bio)) return 0; @@ -751,7 +752,8 @@ bool blk_rq_merge_ok(struct request *rq, struct bio *bio) if (!rq_mergeable(rq) || !bio_mergeable(bio)) return false; - if (!blk_check_merge_flags(rq->cmd_flags, bio->bi_rw)) + if (!blk_check_merge_flags(rq->cmd_flags, req_op(rq), bio->bi_rw, + bio_op(bio))) return false; /* different data direction or already started, don't merge */ @@ -767,7 +769,7 @@ bool blk_rq_merge_ok(struct request *rq, struct bio *bio) return false; /* must be using the same buffer */ - if (rq->cmd_flags & REQ_WRITE_SAME && + if (req_op(rq) == REQ_OP_WRITE_SAME && !blk_write_same_mergeable(rq->bio, bio)) return false; |