cgroup: unexport cgroup_css() and remove __file_cft()

[platform/adaptation/renesas_rcar/renesas_kernel.git] / kernel / cgroup.c

diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index feda7c5..c0248e1 100644 (file)
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -202,8 +202,8 @@ static int cgroup_addrm_files(struct cgroup *cgrp, struct cftype cfts[],
  * keep accessing it outside the said locks.  This function may return
  * %NULL if @cgrp doesn't have @subsys_id enabled.
  */
-struct cgroup_subsys_state *cgroup_css(struct cgroup *cgrp,
-                                      struct cgroup_subsys *ss)
+static struct cgroup_subsys_state *cgroup_css(struct cgroup *cgrp,
+                                             struct cgroup_subsys *ss)
 {
        if (ss)
                return rcu_dereference_check(cgrp->subsys[ss->subsys_id],
@@ -2625,16 +2625,6 @@ static const struct inode_operations cgroup_dir_inode_operations = {
        .removexattr = cgroup_removexattr,
 };
 
-/*
- * Check if a file is a control file
- */
-struct cftype *__file_cft(struct file *file)
-{
-       if (file_inode(file)->i_fop != &cgroup_file_operations)
-               return ERR_PTR(-EINVAL);
-       return __d_cft(file->f_dentry);
-}
-
 static int cgroup_create_file(struct dentry *dentry, umode_t mode,
                                struct super_block *sb)
 {