Re: [xfs-masters] [PATCH] xfs: failure mapping nfs fh to inode should return ESTALE

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On Mon, 2011-07-18 at 09:37 -0400, J. Bruce Fields wrote:
> On Fri, Jul 15, 2011 at 09:53:46PM -0400, Christoph Hellwig wrote:
> > On Sat, Jul 16, 2011 at 11:50:14AM +1000, Dave Chinner wrote:
> > > Bulkstat also checks for ENOENT returns from xfs_iget() as the
> > > lookup it does is inherently racy. That is, if the inode is
> > > allocated when it is read from the IBT, but then has been unlinked
> > > before the actual xfs_iget() call, it expects to get back an ENOENT
> > > to tell it the inode has been unlinked and shouldn't be included in
> > > the bulkstat output. Otherwise, it returns the error to userspace.
> > > 
> > > So converting the mode checks to return ESTALE definitely has the
> > > chance of breaking stuff that uses bulkstat (e.g. xfsdump) because
> > > it will return errors now where it previously just skipped the
> > > (unlinked) inode.
> > 
> > Sounds like we should simply go with the original version of the patch
> > then.
> 
> OK.  Let me know if someone needs that resent....
> 
> --b.

No need.  I'll use the original one.  Thanks.	-Alex

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