From: Al Viro <viro@ZenIV.linux.org.uk>
To: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [RFC] st_nlink after rmdir() and rename()
Date: Thu, 3 Mar 2011 23:12:34 +0000 [thread overview]
Message-ID: <20110303231234.GS22723@ZenIV.linux.org.uk> (raw)
In-Reply-To: <87hbbj96yh.fsf@devron.myhome.or.jp>
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.
next prev parent reply other threads:[~2011-03-03 23:12 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-03 3:24 [RFC] st_nlink after rmdir() and rename() Al Viro
2011-03-03 4:42 ` Al Viro
2011-03-03 5:17 ` Linus Torvalds
2011-03-03 6:03 ` Al Viro
2011-03-03 20:05 ` Linus Torvalds
2011-03-03 20:46 ` OGAWA Hirofumi
2011-03-03 20:50 ` OGAWA Hirofumi
2011-03-03 21:02 ` Linus Torvalds
2011-03-03 21:30 ` Al Viro
2011-03-03 21:37 ` OGAWA Hirofumi
2011-03-03 21:52 ` Linus Torvalds
2011-03-03 22:26 ` OGAWA Hirofumi
2011-03-03 22:37 ` Linus Torvalds
2011-03-03 23:14 ` OGAWA Hirofumi
2011-03-03 23:12 ` Al Viro [this message]
2011-03-03 22:57 ` Al Viro
2011-03-03 23:07 ` Al Viro
2011-03-04 6:55 ` omfs fixes Al Viro
2011-03-04 15:24 ` Bob Copeland
2011-03-03 21:23 ` [RFC] st_nlink after rmdir() and rename() Al Viro
2011-03-03 14:34 ` Theodore Tso
2011-03-03 16:17 ` Andreas Schwab
2011-03-03 19:16 ` Al Viro
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