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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>
This commit is contained in:
Tejun Heo 2013-11-29 10:42:58 -05:00
parent ac1e69aa78
commit b9f3cecaba
2 changed files with 0 additions and 5 deletions
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2
include/linux/cgroup.h
View File

@ -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);
};
/*

3
kernel/cgroup.c
View File

@ -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)