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authorTejun Heo <tj@kernel.org>2013-08-26 18:40:56 -0400
committerTejun Heo <tj@kernel.org>2013-08-26 18:40:56 -0400
commit9fa4db334c7d9570aec7a5121e84fae99aae1d04 (patch)
treee9db3a75ec77038f68c1961e947346a33fabafcf /include/linux/cgroup.h
parentca8bdcaff0d77990fb69e0f946018c96a70851cc (diff)
downloadop-kernel-dev-9fa4db334c7d9570aec7a5121e84fae99aae1d04.zip
op-kernel-dev-9fa4db334c7d9570aec7a5121e84fae99aae1d04.tar.gz
cgroup: implement CFTYPE_NO_PREFIX
When cgroup files are created, cgroup core automatically prepends the name of the subsystem as prefix. This patch adds CFTYPE_NO_ which disables the automatic prefix. This is to work around historical baggages and shouldn't be used for new files. This will be used to move "cgroup.event_control" from cgroup core to memcg. Signed-off-by: Tejun Heo <tj@kernel.org> Acked-by: Li Zefan <lizefan@huawei.com> Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: Glauber Costa <glommer@gmail.com>
Diffstat (limited to 'include/linux/cgroup.h')
-rw-r--r--include/linux/cgroup.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h
index 21ba298..3561d30 100644
--- a/include/linux/cgroup.h
+++ b/include/linux/cgroup.h
@@ -411,6 +411,7 @@ enum {
CFTYPE_ONLY_ON_ROOT = (1 << 0), /* only create on root cgrp */
CFTYPE_NOT_ON_ROOT = (1 << 1), /* don't create on root cgrp */
CFTYPE_INSANE = (1 << 2), /* don't create if sane_behavior */
+ CFTYPE_NO_PREFIX = (1 << 3), /* (DON'T USE FOR NEW FILES) no subsys prefix */
};
#define MAX_CFTYPE_NAME 64
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