cgroup: deal with dummp_top in cgroup_name() and cgroup_path()

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My kernel fails to boot, because blkcg calls cgroup_path() while
cgroupfs is not mounted.

Fix both cgroup_name() and cgroup_path().

Signed-off-by: Li Zefan <lizefan@huawei.com>
Signed-off-by: Tejun Heo <tj@kernel.org>

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Li Zefan 2014-02-14 16:56:04 +08:00 • committed by Tejun Heo

parent 6534fd6c15

commit cc045e3952

1 changed files with 10 additions and 2 deletions

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include/linux/cgroup.h

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