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authorTejun Heo <tj@kernel.org>2015-01-06 12:02:46 -0500
committerTejun Heo <tj@kernel.org>2015-01-06 12:02:46 -0500
commitf3ba53802eff25e3eedb60d7afe5262710e20bd5 (patch)
tree0b03a5bb27e414a5df2299168f7dda25b08ee763 /include/linux/cgroup.h
parentcgroup: reorder SUBSYS(blkio) in cgroup_subsys.h (diff)
downloadlinux-dev-f3ba53802eff25e3eedb60d7afe5262710e20bd5.tar.xz
linux-dev-f3ba53802eff25e3eedb60d7afe5262710e20bd5.zip
cgroup: add dummy css_put() for !CONFIG_CGROUPS
This will later be depended upon by the scheduled cgroup writeback support. Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'include/linux/cgroup.h')
-rw-r--r--include/linux/cgroup.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h
index da0dae0600e6..b9cb94c3102a 100644
--- a/include/linux/cgroup.h
+++ b/include/linux/cgroup.h
@@ -943,6 +943,8 @@ struct cgroup_subsys_state *css_tryget_online_from_dir(struct dentry *dentry,
#else /* !CONFIG_CGROUPS */
+struct cgroup_subsys_state;
+
static inline int cgroup_init_early(void) { return 0; }
static inline int cgroup_init(void) { return 0; }
static inline void cgroup_fork(struct task_struct *p) {}
@@ -955,6 +957,8 @@ static inline int cgroupstats_build(struct cgroupstats *stats,
return -EINVAL;
}
+static inline void css_put(struct cgroup_subsys_state *css) {}
+
/* No cgroups - nothing to do */
static inline int cgroup_attach_task_all(struct task_struct *from,
struct task_struct *t)