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block: move req_set_nomerge to blk.h

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This makes it available outside of blk-merge.c, and inlining such a trivial
helper seems pretty useful to start with.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Christoph Hellwig 2017-02-08 14:46:47 +01:00 committed by Jens Axboe
parent 80c6b15732
commit 6cf7677f1a
2 changed files with 7 additions and 7 deletions
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7
block/blk-merge.c
View File

@ -482,13 +482,6 @@ int blk_rq_map_sg(struct request_queue *q, struct request *rq,
}
EXPORT_SYMBOL(blk_rq_map_sg);
static void req_set_nomerge(struct request_queue *q, struct request *req)
{
req->cmd_flags |= REQ_NOMERGE;
if (req == q->last_merge)
q->last_merge = NULL;
}
static inline int ll_new_hw_segment(struct request_queue *q,
struct request *req,
struct bio *bio)

7
block/blk.h
View File

@ -256,6 +256,13 @@ static inline int blk_do_io_stat(struct request *rq)
!blk_rq_is_passthrough(rq);
}
static inline void req_set_nomerge(struct request_queue *q, struct request *req)
{
req->cmd_flags |= REQ_NOMERGE;
if (req == q->last_merge)
q->last_merge = NULL;
}
/*
* Internal io_context interface
*/