在 2022/08/13 15:15, Christoph Hellwig 写道:
> On Sat, Aug 13, 2022 at 03:09:58PM +0800, Yu Kuai wrote:
>> Thanks for your reply. Do you think it's better to remove the rename
>> support from dm? Or it's better to add such limit?
> 
> It will probably be hard to entirely remove it.  But documentation
> and a rate limited warning discouraging it seems like a good idea.

Yes, that's a good idea.

Thanks,
Kuai