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authorTejun Heo <tj@kernel.org>2013-08-13 11:01:55 -0400
committerTejun Heo <tj@kernel.org>2013-08-13 11:01:55 -0400
commit623f926b050e12b0f5e3a2f4d11c36e4ddd63541 (patch)
treeda5df0064e57432decbe0bf93d01fde2fe013c40 /fs
parent73e80ed8007fc48a6deeb295ba37159fad274bd2 (diff)
downloadlinux-623f926b050e12b0f5e3a2f4d11c36e4ddd63541.tar.bz2
cgroup: reorganize css init / exit paths
css (cgroup_subsys_state) lifetime management is about to be restructured. In prepartion, make the following mostly trivial changes. * init_cgroup_css() is renamed to init_css() so that it's consistent with other css handling functions. * alloc_css_id(), online_css() and offline_css() updated to take @css instead of cgroups and subsys IDs. This patch doesn't make any functional changes. v2: v1 merged two for_each_root_subsys() loops in cgroup_create() but Li Zefan pointed out that it breaks error path. Dropped. Signed-off-by: Tejun Heo <tj@kernel.org> Acked-by: Li Zefan <lizefan@huawei.com>
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