diff options
Diffstat (limited to 'block/elevator.c')
| -rw-r--r-- | block/elevator.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/block/elevator.c b/block/elevator.c index 7e4f5880dd648..27ff1ed5a6faf 100644 --- a/block/elevator.c +++ b/block/elevator.c @@ -427,11 +427,11 @@ void elv_dispatch_add_tail(struct request_queue *q, struct request *rq) } EXPORT_SYMBOL(elv_dispatch_add_tail); -int elv_merge(struct request_queue *q, struct request **req, struct bio *bio) +enum elv_merge elv_merge(struct request_queue *q, struct request **req, + struct bio *bio) { struct elevator_queue *e = q->elevator; struct request *__rq; - int ret; /* * Levels of merges: @@ -446,7 +446,8 @@ int elv_merge(struct request_queue *q, struct request **req, struct bio *bio) * First try one-hit cache. */ if (q->last_merge && elv_bio_merge_ok(q->last_merge, bio)) { - ret = blk_try_merge(q->last_merge, bio); + enum elv_merge ret = blk_try_merge(q->last_merge, bio); + if (ret != ELEVATOR_NO_MERGE) { *req = q->last_merge; return ret; @@ -514,7 +515,8 @@ bool elv_attempt_insert_merge(struct request_queue *q, struct request *rq) return ret; } -void elv_merged_request(struct request_queue *q, struct request *rq, int type) +void elv_merged_request(struct request_queue *q, struct request *rq, + enum elv_merge type) { struct elevator_queue *e = q->elevator; |