linux-kernel - [PATCH 4/4] block: blk-mq: don't export blk_mq_free

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Date:	Tue, 24 Dec 2013 00:18:59 +0800
From:	Ming Lei <tom.leiming@...il.com>
To:	Jens Axboe <axboe@...nel.dk>, linux-kernel@...r.kernel.org
Cc:	Ming Lei <tom.leiming@...il.com>
Subject: [PATCH 4/4] block: blk-mq: don't export blk_mq_free_queue()

blk_mq_free_queue() is called from release handler of
queue kobject, so it needn't be called from drivers.

Cc: Jens Axboe <axboe@...nel.dk>
Signed-off-by: Ming Lei <tom.leiming@...il.com>
---
 block/blk-mq.c         |    1 -
 block/blk-mq.h         |    1 +
 block/blk-sysfs.c      |    1 +
 include/linux/blk-mq.h |    1 -
 4 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/block/blk-mq.c b/block/blk-mq.c
index 16c046f..a58f103 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -1427,7 +1427,6 @@ void blk_mq_free_queue(struct request_queue *q)
 	list_del_init(&q->all_q_node);
 	mutex_unlock(&all_q_mutex);
 }
-EXPORT_SYMBOL(blk_mq_free_queue);
 
 /* Basically redo blk_mq_init_queue with queue frozen */
 static void blk_mq_queue_reinit(struct request_queue *q)
diff --git a/block/blk-mq.h b/block/blk-mq.h
index 35ff4f7..5c39179 100644
--- a/block/blk-mq.h
+++ b/block/blk-mq.h
@@ -28,6 +28,7 @@ void blk_mq_run_request(struct request *rq, bool run_queue, bool async);
 void blk_mq_run_hw_queue(struct blk_mq_hw_ctx *hctx, bool async);
 void blk_mq_init_flush(struct request_queue *q);
 void blk_mq_drain_queue(struct request_queue *q);
+void blk_mq_free_queue(struct request_queue *q);
 
 /*
  * CPU hotplug helpers
diff --git a/block/blk-sysfs.c b/block/blk-sysfs.c
index 9777952..8095c4a 100644
--- a/block/blk-sysfs.c
+++ b/block/blk-sysfs.c
@@ -11,6 +11,7 @@
 
 #include "blk.h"
 #include "blk-cgroup.h"
+#include "blk-mq.h"
 
 struct queue_sysfs_entry {
 	struct attribute attr;
diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h
index ab0e9b2..851d34b 100644
--- a/include/linux/blk-mq.h
+++ b/include/linux/blk-mq.h
@@ -113,7 +113,6 @@ enum {
 };
 
 struct request_queue *blk_mq_init_queue(struct blk_mq_reg *, void *);
-void blk_mq_free_queue(struct request_queue *);
 int blk_mq_register_disk(struct gendisk *);
 void blk_mq_unregister_disk(struct gendisk *);
 void blk_mq_init_commands(struct request_queue *, void (*init)(void *data, struct blk_mq_hw_ctx *, struct request *, unsigned int), void *data);
-- 
1.7.9.5

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