141     struct vfs_dir_entry_t *parent = vfs_root_sb->root;  in vfs_path_walk()  local
147         return parent;  in vfs_path_walk()
164             dentry = vfs_search_dentry_list(parent, tmpname);  in vfs_path_walk()
179             if (parent->dir_inode->inode_ops->lookup(parent->dir_inode, dentry) == NULL)  in vfs_path_walk()
188             dentry->parent = parent;  in vfs_path_walk()
190             list_add(&parent->subdirs_list, &dentry->child_node_list);  in vfs_path_walk()
200                 return parent;  in vfs_path_walk()
206         parent = dentry;  in vfs_path_walk()
312     subdir_dentry->parent = parent_dir;  in vfs_mkdir()
445         dentry->parent = parent_dentry;  in do_open()
823     if (dentry == NULL || dentry->parent == NULL)  in do_unlink_at()
829     struct vfs_index_node_t *p_inode = dentry->parent->dir_inode;  in do_unlink_at()
833     retval = vfs_unlink(NULL, dentry->parent->dir_inode, dentry, NULL);  in do_unlink_at()