linux-kernel - Re: 2.6.24-rc2 XFS nfsd hang

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Date:	Wed, 21 Nov 2007 14:03:50 -0500
From:	"J. Bruce Fields" <bfields@...ldses.org>
To:	Christoph Hellwig <hch@...radead.org>
Cc:	Chris Wedgwood <cw@...f.org>, linux-xfs@....sgi.com,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: 2.6.24-rc2 XFS nfsd hang

On Wed, Nov 21, 2007 at 03:07:46PM +0000, Christoph Hellwig wrote:
> On Wed, Nov 14, 2007 at 01:08:38PM -0500, J. Bruce Fields wrote:
> > > Personally I'd prefer it to only grow a struct stat or rather it's members
> > > But the nfsd code currently expects a dentry so this might require some
> > > major refactoring.
> > 
> > Well, we need to check for mountpoints, for example, so I don't see any
> > way out of needing a dentry.  What's the drawback?
> 
> You're right - we'd probably need the dentry.  The drawback is that
> we need to always get it in the dcache.  Which might be a good thing
> depending on the workload.

In any case, if the new api were only used by nfsd for now, then there'd
be no change here.

Seems like it might be worth a try.

--b.
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