static __always_inline void set_root(struct nameidata *nd)
{
- if (!nd->root.mnt) {
- struct fs_struct *fs = current->fs;
- read_lock(&fs->lock);
- nd->root = fs->root;
- path_get(&nd->root);
- read_unlock(&fs->lock);
- }
+ if (!nd->root.mnt)
+ get_fs_root(current->fs, &nd->root);
}
static int link_path_walk(const char *, struct nameidata *);
dentry = __d_lookup(nd->path.dentry, name);
if (!dentry)
goto need_lookup;
+found:
if (dentry->d_op && dentry->d_op->d_revalidate)
goto need_revalidate;
done:
* we waited on the semaphore. Need to revalidate.
*/
mutex_unlock(&dir->i_mutex);
- if (dentry->d_op && dentry->d_op->d_revalidate) {
- dentry = do_revalidate(dentry, nd);
- if (!dentry)
- dentry = ERR_PTR(-ENOENT);
- }
- if (IS_ERR(dentry))
- goto fail;
- goto done;
+ goto found;
need_revalidate:
dentry = do_revalidate(dentry, nd);
nd->path = nd->root;
path_get(&nd->root);
} else if (dfd == AT_FDCWD) {
- struct fs_struct *fs = current->fs;
- read_lock(&fs->lock);
- nd->path = fs->pwd;
- path_get(&fs->pwd);
- read_unlock(&fs->lock);
+ get_fs_pwd(current->fs, &nd->path);
} else {
struct dentry *dentry;
{
int error;
int is_dir = S_ISDIR(old_dentry->d_inode->i_mode);
- const char *old_name;
+ const unsigned char *old_name;
if (old_dentry->d_inode == new_dentry->d_inode)
return 0;