linux-kernel - Re: Failure to fallback to nfsd-v3 (?)

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Date:	Sun, 7 Feb 2010 03:31:03 -0500
From:	Christoph Hellwig <hch@...radead.org>
To:	OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>
Cc:	"J. Bruce Fields" <bfields@...ldses.org>,
	Neil Brown <neilb@...e.de>, linux-nfs@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: Failure to fallback to nfsd-v3 (?)

On Sun, Feb 07, 2010 at 05:23:49PM +0900, OGAWA Hirofumi wrote:
> "J. Bruce Fields" <bfields@...ldses.org> writes:
> 
> >> And the following commit seems to change the behavior.
> >> 
> >> [nfsd4: fix error return when pseudoroot missing]
> >> f39bde24b275ddc45df1ed835725b609e178c7a0
> >> 
> >> Well, anyway, is this a expected behavior change, or something bug?
> >
> > It's expected.  I'd recommend turning off nfsv4 on the server (add "-N4"
> > to the rpc.nfsd commandline) for now.
> 
> This looks like the silent user visible change. So, it would be better
> to add more comment at least in changelog.

Or rather it should be fixed.  We should not silently break existing
and probably rather common setups.

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