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authorTejun Heo <tj@kernel.org>2012-11-19 08:13:38 -0800
committerTejun Heo <tj@kernel.org>2012-11-19 08:13:38 -0800
commitb1929db42f8a649d9a9e397119f628c27fd4021f (patch)
tree04c0fa6f056395f8d17b5cd918403547be3f1425 /block
parent4b8b47eb0001a89f271d671d959b235faa8f03e2 (diff)
downloadlinaro-lsk-b1929db42f8a649d9a9e397119f628c27fd4021f.tar.gz
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>
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