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OpenCloudOS-Kernel
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cgroup: we can use simple_lookup() now 

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2013-07-14 17:50:23 +04:00
parent 6e8cd2cb46
commit 786e1448d9
1 changed files with 1 additions and 10 deletions
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11
kernel/cgroup.c
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@ -802,7 +802,6 @@ static struct cgroup *task_cgroup_from_root(struct task_struct *task,
*/ */
static int cgroup_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode); static int cgroup_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode);
static struct dentry *cgroup_lookup(struct inode *, struct dentry *, unsigned int);
static int cgroup_rmdir(struct inode *unused_dir, struct dentry *dentry); static int cgroup_rmdir(struct inode *unused_dir, struct dentry *dentry);
static int cgroup_populate_dir(struct cgroup *cgrp, bool base_files, static int cgroup_populate_dir(struct cgroup *cgrp, bool base_files,
unsigned long subsys_mask); unsigned long subsys_mask);
@ -2642,7 +2641,7 @@ static const struct inode_operations cgroup_file_inode_operations = {
}; };
static const struct inode_operations cgroup_dir_inode_operations = { static const struct inode_operations cgroup_dir_inode_operations = {
.lookup = cgroup_lookup, .lookup = simple_lookup,
.mkdir = cgroup_mkdir, .mkdir = cgroup_mkdir,
.rmdir = cgroup_rmdir, .rmdir = cgroup_rmdir,
.rename = cgroup_rename, .rename = cgroup_rename,
@ -2652,14 +2651,6 @@ static const struct inode_operations cgroup_dir_inode_operations = {
.removexattr = cgroup_removexattr, .removexattr = cgroup_removexattr,
}; };
static struct dentry *cgroup_lookup(struct inode *dir, struct dentry *dentry, unsigned int flags)
{
if (dentry->d_name.len > NAME_MAX)
return ERR_PTR(-ENAMETOOLONG);
d_add(dentry, NULL);
return NULL;
}
/* /*
* Check if a file is a control file * Check if a file is a control file
*/ */