Commit b9f3ceca authored Nov 29, 2013 by Tejun Heo

cgroup: remove cftype->release()



Now that pidlist files don't use cftype->release(), it doesn't have
any user left.  Remove it.

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

parent ac1e69aa

include/linux/cgroup.h

+0 −2

Original line number	Diff line number	Diff line
		@@ -499,8 +499,6 @@ struct cftype {
		* kick type for multiplexing.
		*/
		int (trigger)(struct cgroup_subsys_state css, unsigned int event);

		int (release)(struct inode inode, struct file *file);
		};

		/*

kernel/cgroup.c

+0 −3

Original line number	Diff line number	Diff line
		@@ -2448,12 +2448,9 @@ static int cgroup_file_open(struct inode inode, struct file file)
		static int cgroup_file_release(struct inode inode, struct file file)
		{
		struct cfent *cfe = __d_cfe(file->f_dentry);
		struct cftype *cft = __d_cft(file->f_dentry);
		struct cgroup_subsys_state *css = cfe->css;
		int ret = 0;

		if (cft->release)
		ret = cft->release(inode, file);
		if (css->ss)
		css_put(css);
		if (file->f_op == &cgroup_seqfile_operations)