Commit e0c72300 authored by Ritesh Harjani's avatar Ritesh Harjani Committed by Jens Axboe

block: factor out req_set_nomerge

Factor out common code for setting REQ_NOMERGE flag which is being used
out at certain places and make it a helper instead, req_set_nomerge().
Signed-off-by: default avatarRitesh Harjani <riteshh@codeaurora.org>

Get rid of the inline.
Signed-off-by: default avatarJens Axboe <axboe@fb.com>
parent af309226
......@@ -501,6 +501,13 @@ 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)
......@@ -521,9 +528,7 @@ static inline int ll_new_hw_segment(struct request_queue *q,
return 1;
no_merge:
req->cmd_flags |= REQ_NOMERGE;
if (req == q->last_merge)
q->last_merge = NULL;
req_set_nomerge(q, req);
return 0;
}
......@@ -537,9 +542,7 @@ int ll_back_merge_fn(struct request_queue *q, struct request *req,
return 0;
if (blk_rq_sectors(req) + bio_sectors(bio) >
blk_rq_get_max_sectors(req, blk_rq_pos(req))) {
req->cmd_flags |= REQ_NOMERGE;
if (req == q->last_merge)
q->last_merge = NULL;
req_set_nomerge(q, req);
return 0;
}
if (!bio_flagged(req->biotail, BIO_SEG_VALID))
......@@ -561,9 +564,7 @@ int ll_front_merge_fn(struct request_queue *q, struct request *req,
return 0;
if (blk_rq_sectors(req) + bio_sectors(bio) >
blk_rq_get_max_sectors(req, bio->bi_iter.bi_sector)) {
req->cmd_flags |= REQ_NOMERGE;
if (req == q->last_merge)
q->last_merge = NULL;
req_set_nomerge(q, req);
return 0;
}
if (!bio_flagged(bio, BIO_SEG_VALID))
......
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