On Mon, Nov 13, 2023 at 03:59:04PM +0800, kernel test robot wrote:
>
>
> Hello,
>
> kernel test robot noticed "WARNING:possible_recursive_locking_detected" on:
>
> commit: 01b17d53ce197777be701269395edba2fe27069a ("__dentry_kill(): new locking scheme")
> https://git.kernel.org/cgit/linux/kernel/git/viro/vfs.git work.dcache2
*shrug*
False positive, and yes, it needs the spin_lock_nested() when taking
->d_lock on victim after having just acquired it on the parent.
