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SubjectRe: [RFC] st_nlink after rmdir() and rename()
On Fri, Mar 04, 2011 at 07:26:14AM +0900, OGAWA Hirofumi wrote:
> Linus Torvalds <torvalds@linux-foundation.org> writes:
>
> > On Thu, Mar 3, 2011 at 1:37 PM, OGAWA Hirofumi
> > <hirofumi@mail.parknet.co.jp> wrote:
> >>
> >> And I can't only see is why you refuse to make consistent behavior (if
> >> you are saying it). It's why I said if it's _really easy_.
> >
> > The thing is, it really isn't really easy. As mentioned, it's actually
> > impossible on NFS, and it's possibly impossible on other filesystems
> > too.
>
> I don't know much about NFS though, I imaged the NFS just fill the
> stat.st_nlink to return to userland by 0 if sillyrenamed dentry? (of
> course, I'm not saying let's emulate "i_nlink >= 1" on all
> filesystems. just about i_nlink == 0) I was thinking Al is working for
> it...

No. I don't really care much about what NFS does with st_nlink. It might
be possible to fake for directories, but you'll have a hell of a time doing
that accurately for regular files. Not worth doing.


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