1741 int vfs_rename_dir(struct inode *old_dir, struct dentry *old_dentry,  in vfs_rename_dir()  argument
1750 	error = may_delete(old_dir, old_dentry, 1);  in vfs_rename_dir()
1754 	if (new_dir->i_dev != old_dir->i_dev)  in vfs_rename_dir()
1764 	if (!old_dir->i_op || !old_dir->i_op->rename)  in vfs_rename_dir()
1771 	if (new_dir != old_dir) {  in vfs_rename_dir()
1777 	DQUOT_INIT(old_dir);  in vfs_rename_dir()
1779 	down(&old_dir->i_sb->s_vfs_rename_sem);  in vfs_rename_dir()
1789 		triple_down(&old_dir->i_zombie,  in vfs_rename_dir()
1794 		double_down(&old_dir->i_zombie,  in vfs_rename_dir()
1799 		error = old_dir->i_op->rename(old_dir, old_dentry, new_dir, new_dentry);  in vfs_rename_dir()
1803 		triple_up(&old_dir->i_zombie,  in vfs_rename_dir()
1810 		double_up(&old_dir->i_zombie,  in vfs_rename_dir()
1816 	up(&old_dir->i_sb->s_vfs_rename_sem);  in vfs_rename_dir()
1820 int vfs_rename_other(struct inode *old_dir, struct dentry *old_dentry,  in vfs_rename_other()  argument
1828 	error = may_delete(old_dir, old_dentry, 0);  in vfs_rename_other()
1832 	if (new_dir->i_dev != old_dir->i_dev)  in vfs_rename_other()
1842 	if (!old_dir->i_op || !old_dir->i_op->rename)  in vfs_rename_other()
1845 	DQUOT_INIT(old_dir);  in vfs_rename_other()
1847 	double_down(&old_dir->i_zombie, &new_dir->i_zombie);  in vfs_rename_other()
1851 		error = old_dir->i_op->rename(old_dir, old_dentry, new_dir, new_dentry);  in vfs_rename_other()
1852 	double_up(&old_dir->i_zombie, &new_dir->i_zombie);  in vfs_rename_other()
1856 	if (!(old_dir->i_sb->s_type->fs_flags & FS_ODD_RENAME)) {  in vfs_rename_other()
1862 int vfs_rename(struct inode *old_dir, struct dentry *old_dentry,  in vfs_rename()  argument
1867 		error = vfs_rename_dir(old_dir,old_dentry,new_dir,new_dentry);  in vfs_rename()
1869 		error = vfs_rename_other(old_dir,old_dentry,new_dir,new_dentry);  in vfs_rename()
1871 		if (old_dir == new_dir)  in vfs_rename()
1872 			inode_dir_notify(old_dir, DN_RENAME);  in vfs_rename()
1874 			inode_dir_notify(old_dir, DN_DELETE);  in vfs_rename()
1884 	struct dentry * old_dir, * new_dir;  in do_rename()  local
1900 	old_dir = oldnd.dentry;  in do_rename()
1909 	double_lock(new_dir, old_dir);  in do_rename()
1911 	old_dentry = lookup_hash(&oldnd.last, old_dir);  in do_rename()
1933 	error = vfs_rename(old_dir->d_inode, old_dentry,  in do_rename()
1941 	double_up(&new_dir->d_inode->i_sem, &old_dir->d_inode->i_sem);  in do_rename()