18 	int err;  in ovl_copy_up_last()  local
24 	err = ovl_copy_up(parent);  in ovl_copy_up_last()
25 	if (err)  in ovl_copy_up_last()
29 	err = vfs_getattr(&lowerpath, &stat);  in ovl_copy_up_last()
30 	if (err)  in ovl_copy_up_last()
36 	err = ovl_copy_up_one(parent, dentry, &lowerpath, &stat, attr);  in ovl_copy_up_last()
40 	return err;  in ovl_copy_up_last()
45 	int err;  in ovl_setattr()  local
57 	err = inode_change_ok(dentry->d_inode, attr);  in ovl_setattr()
58 	if (err)  in ovl_setattr()
59 		return err;  in ovl_setattr()
61 	err = ovl_want_write(dentry);  in ovl_setattr()
62 	if (err)  in ovl_setattr()
65 	err = ovl_copy_up(dentry);  in ovl_setattr()
66 	if (!err) {  in ovl_setattr()
70 		err = notify_change(upperdentry, attr, NULL);  in ovl_setattr()
71 		if (!err)  in ovl_setattr()
77 	return err;  in ovl_setattr()
96 	int err;  in ovl_permission()  local
120 		err = -ENOENT;  in ovl_permission()
140 		err = -EROFS;  in ovl_permission()
146 	err = __inode_permission(realinode, mask);  in ovl_permission()
149 	return err;  in ovl_permission()
229 	int err;  in ovl_setxattr()  local
232 	err = ovl_want_write(dentry);  in ovl_setxattr()
233 	if (err)  in ovl_setxattr()
236 	err = -EPERM;  in ovl_setxattr()
240 	err = ovl_copy_up(dentry);  in ovl_setxattr()
241 	if (err)  in ovl_setxattr()
245 	err = vfs_setxattr(upperdentry, name, value, size, flags);  in ovl_setxattr()
250 	return err;  in ovl_setxattr()
308 	int err;  in ovl_removexattr()  local
312 	err = ovl_want_write(dentry);  in ovl_removexattr()
313 	if (err)  in ovl_removexattr()
316 	err = -ENODATA;  in ovl_removexattr()
321 		err = vfs_getxattr(realpath.dentry, name, NULL, 0);  in ovl_removexattr()
322 		if (err < 0)  in ovl_removexattr()
325 		err = ovl_copy_up(dentry);  in ovl_removexattr()
326 		if (err)  in ovl_removexattr()
332 	err = vfs_removexattr(realpath.dentry, name);  in ovl_removexattr()
336 	return err;  in ovl_removexattr()
356 	int err;  in ovl_d_select_inode()  local
365 		err = ovl_want_write(dentry);  in ovl_d_select_inode()
366 		if (err)  in ovl_d_select_inode()
367 			return ERR_PTR(err);  in ovl_d_select_inode()
370 			err = ovl_copy_up_last(dentry, NULL, true);  in ovl_d_select_inode()
372 			err = ovl_copy_up(dentry);  in ovl_d_select_inode()
374 		if (err)  in ovl_d_select_inode()
375 			return ERR_PTR(err);  in ovl_d_select_inode()