cgroup: make cgroup_write_event_control() use css_from_dir() instead of __d_cgrp()

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cgroup_event will be moved to its only user - memcg.  Replace
__d_cgrp() usage with css_from_dir(), which is already exported.  This
also simplifies the code a bit.

Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: Li Zefan <lizefan@huawei.com>
Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>

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Tejun Heo 2013-08-26 18:40:56 -04:00

parent 7941cb027d

commit 7c918cbbd8

1 changed files with 5 additions and 13 deletions

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kernel/cgroup.c

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