From 34fe7c05400663e01e23cddd1fea68bb7a2b3d29 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Wed, 8 Feb 2017 14:46:48 +0100 Subject: 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 Signed-off-by: Jens Axboe --- block/cfq-iosched.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'block/cfq-iosched.c') diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c index f0f29ee731e1f..9212627706368 100644 --- a/block/cfq-iosched.c +++ b/block/cfq-iosched.c @@ -2528,7 +2528,7 @@ static void cfq_remove_request(struct request *rq) } } -static int cfq_merge(struct request_queue *q, struct request **req, +static enum elv_merge cfq_merge(struct request_queue *q, struct request **req, struct bio *bio) { struct cfq_data *cfqd = q->elevator->elevator_data; @@ -2544,7 +2544,7 @@ static int cfq_merge(struct request_queue *q, struct request **req, } static void cfq_merged_request(struct request_queue *q, struct request *req, - int type) + enum elv_merge type) { if (type == ELEVATOR_FRONT_MERGE) { struct cfq_queue *cfqq = RQ_CFQQ(req); -- cgit v1.2.3