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| author | Tejun Heo <tj@kernel.org> | 2012-11-19 08:13:38 -0800 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2012-11-19 08:13:38 -0800 |
| commit | b1929db42f8a649d9a9e397119f628c27fd4021f (patch) | |
| tree | 04c0fa6f056395f8d17b5cd918403547be3f1425 /include/linux/cgroup.h | |
| parent | 4b8b47eb0001a89f271d671d959b235faa8f03e2 (diff) | |
| download | blackbird-op-linux-b1929db42f8a649d9a9e397119f628c27fd4021f.tar.gz blackbird-op-linux-b1929db42f8a649d9a9e397119f628c27fd4021f.zip | |
cgroup: allow ->post_create() to fail
There could be cases where controllers want to do initialization
operations which may fail from ->post_create(). This patch makes
->post_create() return -errno to indicate failure and online_css()
relay such failures.
Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: Li Zefan <lizefan@huawei.com>
Cc: Glauber Costa <glommer@parallels.com>
Diffstat (limited to 'include/linux/cgroup.h')
| -rw-r--r-- | include/linux/cgroup.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h index f4a9c9836906..03d8a92786da 100644 --- a/include/linux/cgroup.h +++ b/include/linux/cgroup.h @@ -440,7 +440,7 @@ int cgroup_taskset_size(struct cgroup_taskset *tset); struct cgroup_subsys { struct cgroup_subsys_state *(*create)(struct cgroup *cgrp); - void (*post_create)(struct cgroup *cgrp); + int (*post_create)(struct cgroup *cgrp); void (*pre_destroy)(struct cgroup *cgrp); void (*destroy)(struct cgroup *cgrp); int (*can_attach)(struct cgroup *cgrp, struct cgroup_taskset *tset); |
