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| author | Christoph Hellwig <hch@lst.de> | 2017-02-08 14:46:48 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2017-02-08 13:43:06 -0700 |
| commit | 34fe7c05400663e01e23cddd1fea68bb7a2b3d29 (patch) | |
| tree | c03679f3bf7602925ecd9cbd6849af412b06d959 /block/blk-merge.c | |
| parent | 6cf7677f1a94546e472658290b3b8bdbb16cc045 (diff) | |
| download | linux-0-day-34fe7c05400663e01e23cddd1fea68bb7a2b3d29.tar.gz linux-0-day-34fe7c05400663e01e23cddd1fea68bb7a2b3d29.tar.xz | |
block: enumify ELEVATOR_*_MERGE
Switch these constants to an enum, and make let the compiler ensure that
all callers of blk_try_merge and elv_merge handle all potential values.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'block/blk-merge.c')
| -rw-r--r-- | block/blk-merge.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/block/blk-merge.c b/block/blk-merge.c index c956d9e7aafdb..6cbd90ad5f903 100644 --- a/block/blk-merge.c +++ b/block/blk-merge.c @@ -801,7 +801,7 @@ bool blk_rq_merge_ok(struct request *rq, struct bio *bio) return true; } -int blk_try_merge(struct request *rq, struct bio *bio) +enum elv_merge blk_try_merge(struct request *rq, struct bio *bio) { if (blk_rq_pos(rq) + blk_rq_sectors(rq) == bio->bi_iter.bi_sector) return ELEVATOR_BACK_MERGE; |