diff options
| author | Tejun Heo | 2014-03-19 10:23:55 -0400 |
|---|---|---|
| committer | Tejun Heo | 2014-03-19 10:23:55 -0400 |
| commit | 8cbbf2c972c4444cad36f61cd571714c39b8cf04 (patch) | |
| tree | fe3f24371e5f48023b319e217951fe48b66fc3ee /kernel | |
| parent | a2dd424750807f83632a2a70293961086fd8f870 (diff) | |
cgroup: implement CFTYPE_ONLY_ON_DFL
This cftype flag makes the file only appear on the default hierarchy.
This will later be used for cgroup.controllers file.
Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: Li Zefan <lizefan@huawei.com>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/cgroup.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/cgroup.c b/kernel/cgroup.c index 69b4939e9f6d..37b6d534b0ca 100644 --- a/kernel/cgroup.c +++ b/kernel/cgroup.c @@ -2356,6 +2356,8 @@ static int cgroup_addrm_files(struct cgroup *cgrp, struct cftype cfts[], for (cft = cfts; cft->name[0] != '\0'; cft++) { /* does cft->flags tell us to skip this file on @cgrp? */ + if ((cft->flags & CFTYPE_ONLY_ON_DFL) && !cgroup_on_dfl(cgrp)) + continue; if ((cft->flags & CFTYPE_INSANE) && cgroup_sane_behavior(cgrp)) continue; if ((cft->flags & CFTYPE_NOT_ON_ROOT) && !cgrp->parent) |