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Groups > linux.kernel > #1538854

[PATCH 3/7] elevator: make the rqhash helpers exported

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Signed-off-by: Jens Axboe <axboe@fb.com>
---
 block/elevator.c         | 8 ++++----
 include/linux/elevator.h | 5 +++++
 2 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/block/elevator.c b/block/elevator.c
index a18a5db274e4..40f0c04e5ad3 100644
--- a/block/elevator.c
+++ b/block/elevator.c
@@ -248,13 +248,13 @@ static inline void __elv_rqhash_del(struct request *rq)
 	rq->rq_flags &= ~RQF_HASHED;
 }
 
-static void elv_rqhash_del(struct request_queue *q, struct request *rq)
+void elv_rqhash_del(struct request_queue *q, struct request *rq)
 {
 	if (ELV_ON_HASH(rq))
 		__elv_rqhash_del(rq);
 }
 
-static void elv_rqhash_add(struct request_queue *q, struct request *rq)
+void elv_rqhash_add(struct request_queue *q, struct request *rq)
 {
 	struct elevator_queue *e = q->elevator;
 
@@ -263,13 +263,13 @@ static void elv_rqhash_add(struct request_queue *q, struct request *rq)
 	rq->rq_flags |= RQF_HASHED;
 }
 
-static void elv_rqhash_reposition(struct request_queue *q, struct request *rq)
+void elv_rqhash_reposition(struct request_queue *q, struct request *rq)
 {
 	__elv_rqhash_del(rq);
 	elv_rqhash_add(q, rq);
 }
 
-static struct request *elv_rqhash_find(struct request_queue *q, sector_t offset)
+struct request *elv_rqhash_find(struct request_queue *q, sector_t offset)
 {
 	struct elevator_queue *e = q->elevator;
 	struct hlist_node *next;
diff --git a/include/linux/elevator.h b/include/linux/elevator.h
index f219c9aed360..b276e9ef0e0b 100644
--- a/include/linux/elevator.h
+++ b/include/linux/elevator.h
@@ -108,6 +108,11 @@ struct elevator_type
 
 #define ELV_HASH_BITS 6
 
+void elv_rqhash_del(struct request_queue *q, struct request *rq);
+void elv_rqhash_add(struct request_queue *q, struct request *rq);
+void elv_rqhash_reposition(struct request_queue *q, struct request *rq);
+struct request *elv_rqhash_find(struct request_queue *q, sector_t offset);
+
 /*
  * each queue has an elevator_queue associated with it
  */
-- 
2.7.4

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[PATCHSET/RFC v2] blk-mq scheduling framework Jens Axboe <axboe@fb.com> - 2016-12-08 21:20 +0100
  [PATCH 4/7] blk-flush: run the queue when inserting blk-mq flush Jens Axboe <axboe@fb.com> - 2016-12-08 21:20 +0100
    Re: [PATCH 4/7] blk-flush: run the queue when inserting blk-mq flush Hannes Reinecke <hare@suse.de> - 2016-12-09 07:50 +0100
  [PATCH 3/7] elevator: make the rqhash helpers exported Jens Axboe <axboe@fb.com> - 2016-12-08 21:20 +0100
    Re: [PATCH 3/7] elevator: make the rqhash helpers exported Hannes Reinecke <hare@suse.de> - 2016-12-09 07:50 +0100
  [PATCH 6/7] mq-deadline: add blk-mq adaptation of the deadline IO scheduler Jens Axboe <axboe@fb.com> - 2016-12-08 21:20 +0100
  [PATCH 7/7] blk-mq-sched: allow setting of default IO scheduler Jens Axboe <axboe@fb.com> - 2016-12-08 21:20 +0100

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