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authorTejun Heo2012-04-01 12:09:55 -0700
committerTejun Heo2012-04-01 12:09:55 -0700
commit6e6ff25bd548a0c5bf5163e4f63e2793dcefbdcb (patch)
treef2c3adbac3286559e88771c714333733e0422760 /kernel/cgroup.c
parent8e3f6541d45e1a002801e56a19530a90f775deba (diff)
cgroup: merge cft_release_agent cftype array into the base files array
Now that cftype can express whether a file should only be on root, cft_release_agent can be merged into the base files cftypes array. Signed-off-by: Tejun Heo <tj@kernel.org> Acked-by: Li Zefan <lizf@cn.fujitsu.com>
Diffstat (limited to 'kernel/cgroup.c')
-rw-r--r--kernel/cgroup.c19
1 files changed, 7 insertions, 12 deletions
diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index df8fb82ef350..66c1e3b5c0f2 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -3732,13 +3732,13 @@ static struct cftype files[] = {
.read_u64 = cgroup_clone_children_read,
.write_u64 = cgroup_clone_children_write,
},
-};
-
-static struct cftype cft_release_agent = {
- .name = "release_agent",
- .read_seq_string = cgroup_release_agent_show,
- .write_string = cgroup_release_agent_write,
- .max_write_len = PATH_MAX,
+ {
+ .name = "release_agent",
+ .flags = CFTYPE_ONLY_ON_ROOT,
+ .read_seq_string = cgroup_release_agent_show,
+ .write_string = cgroup_release_agent_write,
+ .max_write_len = PATH_MAX,
+ },
};
static int cgroup_populate_dir(struct cgroup *cgrp)
@@ -3750,11 +3750,6 @@ static int cgroup_populate_dir(struct cgroup *cgrp)
if (err < 0)
return err;
- if (cgrp == cgrp->top_cgroup) {
- if ((err = cgroup_add_file(cgrp, NULL, &cft_release_agent)) < 0)
- return err;
- }
-
/* process cftsets of each subsystem */
for_each_subsys(cgrp->root, ss) {
struct cftype_set *set;