[PATCH v3 7/8] blk-mq: Pair blk_mq_hctx_kobj_init() with blk_mq_hctx_kobj_put()

From: Alexander Gordeev
Date: Sun Oct 09 2016 - 17:31:33 EST


CC: linux-block@xxxxxxxxxxxxxxx
Signed-off-by: Alexander Gordeev <agordeev@xxxxxxxxxx>
---
block/blk-mq-sysfs.c | 5 +++++
block/blk-mq.c | 2 +-
block/blk-mq.h | 1 +
3 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/block/blk-mq-sysfs.c b/block/blk-mq-sysfs.c
index 01fb455..11846d0 100644
--- a/block/blk-mq-sysfs.c
+++ b/block/blk-mq-sysfs.c
@@ -429,6 +429,11 @@ void blk_mq_hctx_kobj_init(struct blk_mq_hw_ctx *hctx)
kobject_init(&hctx->kobj, &blk_mq_hw_ktype);
}

+void blk_mq_hctx_kobj_put(struct blk_mq_hw_ctx *hctx)
+{
+ kobject_put(&hctx->kobj);
+}
+
static void blk_mq_sysfs_init(struct request_queue *q)
{
struct blk_mq_ctx *ctx;
diff --git a/block/blk-mq.c b/block/blk-mq.c
index d2c11fc..53f8663 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -1928,7 +1928,7 @@ static void blk_mq_realloc_hw_ctxs(struct blk_mq_tag_set *set,
continue;

hctxs[j] = NULL;
- kobject_put(&hctx->kobj);
+ blk_mq_hctx_kobj_put(hctx);

if (hctx->tags) {
blk_mq_free_rq_map(set, hctx->tags, j);
diff --git a/block/blk-mq.h b/block/blk-mq.h
index e5d2524..3d53818 100644
--- a/block/blk-mq.h
+++ b/block/blk-mq.h
@@ -53,6 +53,7 @@ static inline struct blk_mq_hw_ctx *blk_mq_map_queue(struct request_queue *q,
extern int blk_mq_sysfs_register(struct request_queue *q);
extern void blk_mq_sysfs_unregister(struct request_queue *q);
extern void blk_mq_hctx_kobj_init(struct blk_mq_hw_ctx *hctx);
+extern void blk_mq_hctx_kobj_put(struct blk_mq_hw_ctx *hctx);

extern void blk_mq_rq_timed_out(struct request *req, bool reserved);

--
1.8.3.1