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Message-ID: <1481152201-27461-4-git-send-email-axboe@fb.com>
Date: Wed, 7 Dec 2016 16:09:57 -0700
From: Jens Axboe <axboe@...com>
To: <axboe@...nel.dk>, <linux-block@...r.kernel.org>,
<linux-kernel@...r.kernel.org>
CC: <paolo.valente@...aro.org>, <osandov@...com>,
Jens Axboe <axboe@...com>
Subject: [PATCH 3/7] elevator: make the rqhash helpers exported
Signed-off-by: Jens Axboe <axboe@...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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