From e0c723000966ae285295caaa8cda914dfa177fa4 Mon Sep 17 00:00:00 2001 From: Ritesh Harjani Date: Thu, 1 Dec 2016 08:36:16 -0700 Subject: [PATCH] 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: Ritesh Harjani Get rid of the inline. Signed-off-by: Jens Axboe --- block/blk-merge.c | 19 ++++++++++--------- 1 file changed, 10 insertions(+), 9 deletions(-) diff --git a/block/blk-merge.c b/block/blk-merge.c index cf2848cb91d80..1002afdfee99f 100644 --- a/block/blk-merge.c +++ b/block/blk-merge.c @@ -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))