Messages in this thread | | | Date | Thu, 3 Mar 2011 23:12:34 +0000 | From | Al Viro <> | Subject | Re: [RFC] st_nlink after rmdir() and rename() |
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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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