On Tue, Oct 18, 2022 at 09:14:31PM +0800, Yu Kuai wrote: > The return value will be used in later patch to fix uaf for slave_dir > and bd_holder_dir in block layer. Then the user will be incorrect, this is not ok, you should never care if you are the last "put" on an object at all. Hint, what happens right after you call this and get the result? sorry, but NAK. greg k-h