From: Aditya Kali <adityakali@xxxxxxxxxx>
move cgroup_get() and cgroup_put() into cgroup.h so that
they can be called from other places.
Signed-off-by: Aditya Kali <adityakali@xxxxxxxxxx>
Acked-by: Serge Hallyn <serge.hallyn@xxxxxxxxxxxxx>
---
include/linux/cgroup.h | 21 +++++++++++++++++++++
kernel/cgroup.c | 22 ----------------------
2 files changed, 21 insertions(+), 22 deletions(-)
diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h
index 29f0b02..99096be 100644
--- a/include/linux/cgroup.h
+++ b/include/linux/cgroup.h
@@ -231,6 +231,27 @@ void css_task_iter_end(struct css_task_iter *it);
#define css_for_each_descendant_post(pos, css) \
for ((pos) = css_next_descendant_post(NULL, (css)); (pos); \
(pos) = css_next_descendant_post((pos), (css)))
+/* convenient tests for these bits */
+static inline bool cgroup_is_dead(const struct cgroup *cgrp)
+{
+ return !(cgrp->self.flags & CSS_ONLINE);
+}
+
+static inline void cgroup_get(struct cgroup *cgrp)
+{
+ WARN_ON_ONCE(cgroup_is_dead(cgrp));
+ css_get(&cgrp->self);
+}
+
+static inline bool cgroup_tryget(struct cgroup *cgrp)
+{
+ return css_tryget(&cgrp->self);
+}
+
+static inline void cgroup_put(struct cgroup *cgrp)
+{
+ css_put(&cgrp->self);
+}
/**
* cgroup_taskset_for_each - iterate cgroup_taskset
diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index e29c346..e972259 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -417,28 +417,6 @@ out_unlock:
return css;
}
-/* convenient tests for these bits */
-static inline bool cgroup_is_dead(const struct cgroup *cgrp)
-{
- return !(cgrp->self.flags & CSS_ONLINE);
-}
-
-static void cgroup_get(struct cgroup *cgrp)
-{
- WARN_ON_ONCE(cgroup_is_dead(cgrp));
- css_get(&cgrp->self);
-}
-
-static bool cgroup_tryget(struct cgroup *cgrp)
-{
- return css_tryget(&cgrp->self);
-}
-
-static void cgroup_put(struct cgroup *cgrp)
-{
- css_put(&cgrp->self);
-}
-
struct cgroup_subsys_state *of_css(struct kernfs_open_file *of)
{
struct cgroup *cgrp = of->kn->parent->priv;
--
1.7.9.5
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