summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorChristoph Hellwig <hch@lst.de>2020-05-29 15:53:08 +0200
committerJens Axboe <axboe@kernel.dk>2020-05-29 10:23:24 -0600
commit5d9c305b8ea3fbc95bedfde01f7dd91e68082098 (patch)
tree29fefd8b88e0570c56e907067d281f98679f9e87
parent3382a567efd4015697f087f2e91ac08b90577876 (diff)
downloadlinux-5d9c305b8ea3fbc95bedfde01f7dd91e68082098.tar.gz
linux-5d9c305b8ea3fbc95bedfde01f7dd91e68082098.tar.bz2
linux-5d9c305b8ea3fbc95bedfde01f7dd91e68082098.zip
blk-mq: remove the bio argument to ->prepare_request
None of the I/O schedulers actually needs it. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Ming Lei <ming.lei@redhat.com> Reviewed-by: Hannes Reinecke <hare@suse.de> Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com> Reviewed-by: Bart Van Assche <bvanassche@acm.org> Reviewed-by: Daniel Wagner <dwagner@suse.de> Signed-off-by: Jens Axboe <axboe@kernel.dk>
-rw-r--r--block/bfq-iosched.c2
-rw-r--r--block/blk-mq.c2
-rw-r--r--block/kyber-iosched.c2
-rw-r--r--block/mq-deadline.c2
-rw-r--r--include/linux/elevator.h2
5 files changed, 5 insertions, 5 deletions
diff --git a/block/bfq-iosched.c b/block/bfq-iosched.c
index 3d411716d7ee..50c8f034c01c 100644
--- a/block/bfq-iosched.c
+++ b/block/bfq-iosched.c
@@ -6073,7 +6073,7 @@ static struct bfq_queue *bfq_get_bfqq_handle_split(struct bfq_data *bfqd,
* comments on bfq_init_rq for the reason behind this delayed
* preparation.
*/
-static void bfq_prepare_request(struct request *rq, struct bio *bio)
+static void bfq_prepare_request(struct request *rq)
{
/*
* Regardless of whether we have an icq attached, we have to
diff --git a/block/blk-mq.c b/block/blk-mq.c
index c6dcd390be2d..f15722cbfac6 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -387,7 +387,7 @@ static struct request *blk_mq_get_request(struct request_queue *q,
if (e->type->icq_cache)
blk_mq_sched_assign_ioc(rq);
- e->type->ops.prepare_request(rq, bio);
+ e->type->ops.prepare_request(rq);
rq->rq_flags |= RQF_ELVPRIV;
}
}
diff --git a/block/kyber-iosched.c b/block/kyber-iosched.c
index 34dcea0ef637..a38c5ab103d1 100644
--- a/block/kyber-iosched.c
+++ b/block/kyber-iosched.c
@@ -579,7 +579,7 @@ static bool kyber_bio_merge(struct blk_mq_hw_ctx *hctx, struct bio *bio,
return merged;
}
-static void kyber_prepare_request(struct request *rq, struct bio *bio)
+static void kyber_prepare_request(struct request *rq)
{
rq_set_domain_token(rq, -1);
}
diff --git a/block/mq-deadline.c b/block/mq-deadline.c
index b490f47fd553..b57470e154c8 100644
--- a/block/mq-deadline.c
+++ b/block/mq-deadline.c
@@ -541,7 +541,7 @@ static void dd_insert_requests(struct blk_mq_hw_ctx *hctx,
* Nothing to do here. This is defined only to ensure that .finish_request
* method is called upon request completion.
*/
-static void dd_prepare_request(struct request *rq, struct bio *bio)
+static void dd_prepare_request(struct request *rq)
{
}
diff --git a/include/linux/elevator.h b/include/linux/elevator.h
index 901bda352dcb..bacc40a0bdf3 100644
--- a/include/linux/elevator.h
+++ b/include/linux/elevator.h
@@ -39,7 +39,7 @@ struct elevator_mq_ops {
void (*request_merged)(struct request_queue *, struct request *, enum elv_merge);
void (*requests_merged)(struct request_queue *, struct request *, struct request *);
void (*limit_depth)(unsigned int, struct blk_mq_alloc_data *);
- void (*prepare_request)(struct request *, struct bio *bio);
+ void (*prepare_request)(struct request *);
void (*finish_request)(struct request *);
void (*insert_requests)(struct blk_mq_hw_ctx *, struct list_head *, bool);
struct request *(*dispatch_request)(struct blk_mq_hw_ctx *);