cgroup: relocate cgroup_[try]get/put()

Relocate cgroup_get(), cgroup_tryget() and cgroup_put() upwards.  This
is pure code reorganization to prepare for future changes.

Signed-off-by: Tejun Heo <tj@kernel.org>

diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index 855313d01e85806f3c685e4dbd4feef8a857169f..ab5c9a5a059627e2be100becf7c351e200e082da 100644 (file)
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -428,6 +428,22 @@ 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;
@@ -1177,22 +1193,6 @@ static umode_t cgroup_file_mode(const struct cftype *cft)
        return mode;
 }
 
-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);
-}
-
 /**
  * cgroup_calc_child_subsys_mask - calculate child_subsys_mask
  * @cgrp: the target cgroup