Re: [RFC] st_nlink after rmdir() and rename()

[Al Viro]

On Thu, Mar 03, 2011 at 10:57:02PM +0000, Al Viro wrote:
> 	* inotify is broken for filesystems that don't get you zero ->i_nlink
> when the last dentry pointing to doomed inode is dropped.  Regardless of what
> you get in fstat().  Excusable for remote fs, but not nice for local ones.
> I'd *LOVE* to get rid of inotife/dnotify/etc., but it's probably not feasible
> now.
> 	* NFS is not hard to handle, actually, especially for directories.
> Regular files may be trickier, but then we have many places in that area
> where NFS is not quite POSIX-compliant, to put it mildly.

To clarify: I don't particulary _care_ if NFS breaks something like inotify,
as long as it can't be used to do nasty things to kernel itself.  And I'm
not at all sure if I care about st_nlink there at all, directory or
non-directory.  Again, NFS has enough weirdness wrt opened-but-unlinked
files anyway and will remain weird by design.
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