diff options
| author | Tejun Heo <tj@kernel.org> | 2013-11-29 16:42:58 +0100 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2013-11-29 16:42:58 +0100 |
| commit | b9f3cecaba592d4e98cd155c91b1414323ed51e8 (patch) | |
| tree | ac2371d8169482c4d738a84ca337f42221255025 | |
| parent | cgroup: don't skip seq_open on write only opens on pidlist files (diff) | |
| download | linux-b9f3cecaba592d4e98cd155c91b1414323ed51e8.tar.xz linux-b9f3cecaba592d4e98cd155c91b1414323ed51e8.zip | |
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>
| -rw-r--r-- | include/linux/cgroup.h | 2 | ||||
| -rw-r--r-- | kernel/cgroup.c | 3 |
2 files changed, 0 insertions, 5 deletions
diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h index 492fa01ec2d3..5207c28c2402 100644 --- a/include/linux/cgroup.h +++ b/include/linux/cgroup.h @@ -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); }; /* diff --git a/kernel/cgroup.c b/kernel/cgroup.c index 1e09ded0387a..b59e3453eae7 100644 --- a/kernel/cgroup.c +++ b/kernel/cgroup.c @@ -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) |