Commit 9ed8a659 authored by Li Zefan's avatar Li Zefan Committed by Tejun Heo
Browse files

cgroup: remove bogus comments in cgroup_diput() 



Since commit 48ddbe19
("cgroup: make css->refcnt clearing on cgroup removal optional"),
each css holds a ref on cgroup's dentry, so cgroup_diput() won't be
called until all css' refs go down to 0, which invalids the comments.

Signed-off-by: default avatarLi Zefan <lizefan@huawei.com>
Signed-off-by: default avatarTejun Heo <tj@kernel.org>
parent be445626

kernel/cgroup.c

+0 −6
Original line number Diff line number Diff line
@@ -899,12 +899,6 @@ static void cgroup_diput(struct dentry *dentry, struct inode *inode) 
		struct cgroup *cgrp = dentry->d_fsdata;



		BUG_ON(!(cgroup_is_removed(cgrp)));

		/* It's possible for external users to be holding css

		 * reference counts on a cgroup; css_put() needs to

		 * be able to access the cgroup after decrementing

		 * the reference count in order to know if it needs to

		 * queue the cgroup to be handled by the release

		 * agent */

		call_rcu(&cgrp->rcu_head, cgroup_free_rcu);

	} else {

		struct cfent *cfe = __d_cfe(dentry);