Re: Patch for a overwriting/corruption of the file system

[Al Viro]

On Wed, Mar 15, 2023 at 02:33:48PM +0530, Kirtikumar Anandrao Ramchandani wrote:
> While I am going through the code at the moment, I think there is one more
> issue. It probably can't just compare "old_dir" and "new_dir", since those
> are just pointers to structs. So, both addresses can be completely
> different, and still represent the same folder, yes?

No, they can not.  We should never have different in-core instances of
struct inode representing the same on-disk object - otherwise all locking
goes to hell, for example.