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cgroup: remove redundant check in cgroup_ino()

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After we implemented default unified hierarchy, cgrp->kn can never
be NULL.

Signed-off-by: Zefan Li <lizefan@huawei.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
This commit is contained in:
Zefan Li
2014-09-19 16:29:31 +08:00
committed by Tejun Heo
parent 52de4779f2
commit f29374b146
2 changed files with 3 additions and 6 deletions
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7
include/linux/cgroup.h
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@@ -532,13 +532,10 @@ static inline bool cgroup_has_tasks(struct cgroup *cgrp)
return !list_empty(&cgrp->cset_links);
}
/* returns ino associated with a cgroup, 0 indicates unmounted root */
/* returns ino associated with a cgroup */
static inline ino_t cgroup_ino(struct cgroup *cgrp)
{
if (cgrp->kn)
return cgrp->kn->ino;
else
return 0;
return cgrp->kn->ino;
}
/* cft/css accessors for cftype->write() operation */