[Devel] [PATCH v12 04/12] cgroup: exported __put_css_set and wrappers to cgroup.h

[Valeriy Vdovin]

Signed-off-by: Valeriy Vdovin <valeriy.vdovin at virtuozzo.com>
Reviewed-by: Kirill Tkhai <ktkhai at virtuozzo.com>
---
 include/linux/cgroup.h | 20 ++++++++++++++++++++
 kernel/cgroup.c        | 20 +-------------------
 2 files changed, 21 insertions(+), 19 deletions(-)

diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h
index 0239518..0a42f93 100644
--- a/include/linux/cgroup.h
+++ b/include/linux/cgroup.h
@@ -443,6 +443,26 @@ struct css_set {
 };
 
 /*
+ * refcounted get/put for css_set objects
+ */
+extern void __put_css_set(struct css_set *cg, int taskexit);
+
+static inline void get_css_set(struct css_set *cg)
+{
+	atomic_inc(&cg->refcount);
+}
+
+static inline void put_css_set(struct css_set *cg)
+{
+	__put_css_set(cg, 0);
+}
+
+static inline void put_css_set_taskexit(struct css_set *cg)
+{
+	__put_css_set(cg, 1);
+}
+
+/*
  * cgroup_map_cb is an abstract callback API for reporting map-valued
  * control files
  */
diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index b4de572..60a4ca4 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -333,7 +333,7 @@ static unsigned long css_set_hash(struct cgroup_subsys_state *css[])
  * compiled into their kernel but not actually in use */
 static int use_task_css_set_links __read_mostly;
 
-static void __put_css_set(struct css_set *cg, int taskexit)
+void __put_css_set(struct css_set *cg, int taskexit)
 {
 	struct cg_cgroup_link *link;
 	struct cg_cgroup_link *saved_link;
@@ -382,24 +382,6 @@ static void __put_css_set(struct css_set *cg, int taskexit)
 }
 
 /*
- * refcounted get/put for css_set objects
- */
-static inline void get_css_set(struct css_set *cg)
-{
-	atomic_inc(&cg->refcount);
-}
-
-static inline void put_css_set(struct css_set *cg)
-{
-	__put_css_set(cg, 0);
-}
-
-static inline void put_css_set_taskexit(struct css_set *cg)
-{
-	__put_css_set(cg, 1);
-}
-
-/*
  * compare_css_sets - helper function for find_existing_css_set().
  * @cg: candidate css_set being tested
  * @old_cg: existing css_set for a task
-- 
1.8.3.1