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authorChristoph Hellwig <hch@lst.de>2017-06-16 18:15:21 +0200
committerJens Axboe <axboe@kernel.dk>2017-06-18 10:08:55 -0600
commit7b9e93616399638521aafd1f01dfcf474c736393 (patch)
treeb135a4bc68b8c8a8325ae8a0634686f0ddb7f0f8 /block
parentea511e3c28c892f689173c91662437c4ddb2ab38 (diff)
downloadlinux-0-day-7b9e93616399638521aafd1f01dfcf474c736393.tar.gz
blk-mq-sched: unify request finished methods
No need to have two different callouts of bfq vs kyber. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block')
-rw-r--r--block/bfq-iosched.c6
-rw-r--r--block/blk-mq.c11
-rw-r--r--block/kyber-iosched.c8
3 files changed, 10 insertions, 15 deletions
diff --git a/block/bfq-iosched.c b/block/bfq-iosched.c
index ed93da2..4f69e39 100644
--- a/block/bfq-iosched.c
+++ b/block/bfq-iosched.c
@@ -4290,7 +4290,7 @@ static void bfq_put_rq_priv_body(struct bfq_queue *bfqq)
bfq_put_queue(bfqq);
}
-static void bfq_put_rq_private(struct request_queue *q, struct request *rq)
+static void bfq_finish_request(struct request *rq)
{
struct bfq_queue *bfqq = RQ_BFQQ(rq);
struct bfq_data *bfqd = bfqq->bfqd;
@@ -4324,7 +4324,7 @@ static void bfq_put_rq_private(struct request_queue *q, struct request *rq)
*/
if (!RB_EMPTY_NODE(&rq->rb_node))
- bfq_remove_request(q, rq);
+ bfq_remove_request(rq->q, rq);
bfq_put_rq_priv_body(bfqq);
}
@@ -4951,7 +4951,7 @@ static struct elv_fs_entry bfq_attrs[] = {
static struct elevator_type iosched_bfq_mq = {
.ops.mq = {
.get_rq_priv = bfq_get_rq_private,
- .put_rq_priv = bfq_put_rq_private,
+ .finish_request = bfq_finish_request,
.exit_icq = bfq_exit_icq,
.insert_requests = bfq_insert_requests,
.dispatch_request = bfq_dispatch_request,
diff --git a/block/blk-mq.c b/block/blk-mq.c
index 1a45c28..9df7e03 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -437,19 +437,16 @@ void blk_mq_free_request(struct request *rq)
struct request_queue *q = rq->q;
struct elevator_queue *e = q->elevator;
- if (rq->rq_flags & RQF_ELVPRIV) {
- if (e && e->type->ops.mq.put_rq_priv)
- e->type->ops.mq.put_rq_priv(q, rq);
+ if (rq->rq_flags & (RQF_ELVPRIV | RQF_QUEUED)) {
+ if (e && e->type->ops.mq.finish_request)
+ e->type->ops.mq.finish_request(rq);
if (rq->elv.icq) {
put_io_context(rq->elv.icq->ioc);
rq->elv.icq = NULL;
}
}
- if ((rq->rq_flags & RQF_QUEUED) && e && e->type->ops.mq.put_request)
- e->type->ops.mq.put_request(rq);
- else
- blk_mq_finish_request(rq);
+ blk_mq_finish_request(rq);
}
EXPORT_SYMBOL_GPL(blk_mq_free_request);
diff --git a/block/kyber-iosched.c b/block/kyber-iosched.c
index b9faabc..2557b39 100644
--- a/block/kyber-iosched.c
+++ b/block/kyber-iosched.c
@@ -446,13 +446,11 @@ static struct request *kyber_get_request(struct request_queue *q,
return rq;
}
-static void kyber_put_request(struct request *rq)
+static void kyber_finish_request(struct request *rq)
{
- struct request_queue *q = rq->q;
- struct kyber_queue_data *kqd = q->elevator->elevator_data;
+ struct kyber_queue_data *kqd = rq->q->elevator->elevator_data;
rq_clear_domain_token(kqd, rq);
- blk_mq_finish_request(rq);
}
static void kyber_completed_request(struct request *rq)
@@ -816,7 +814,7 @@ static struct elevator_type kyber_sched = {
.init_hctx = kyber_init_hctx,
.exit_hctx = kyber_exit_hctx,
.get_request = kyber_get_request,
- .put_request = kyber_put_request,
+ .finish_request = kyber_finish_request,
.completed_request = kyber_completed_request,
.dispatch_request = kyber_dispatch_request,
.has_work = kyber_has_work,