linux-kernel - [PATCH 05/14] cgroup: relocate cgroup

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Date:	Fri,  9 Oct 2015 23:29:32 -0400
From:	Tejun Heo <tj@...nel.org>
To:	lizefan@...wei.com, hannes@...xchg.org
Cc:	cgroups@...r.kernel.org, cyphar@...har.com,
	linux-kernel@...r.kernel.org, kernel-team@...com,
	Tejun Heo <tj@...nel.org>
Subject: [PATCH 05/14] 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@...nel.org>
---
 kernel/cgroup.c | 32 ++++++++++++++++----------------
 1 file changed, 16 insertions(+), 16 deletions(-)

diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index 855313d..ab5c9a5 100644
--- 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
-- 
2.4.3

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