linux-kernel - Re: Solved - How to change the FSINFO for nfsd?

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Message-ID: <20080519172412.GL7622@fieldses.org>
Date:	Mon, 19 May 2008 13:24:12 -0400
From:	"J. Bruce Fields" <bfields@...ldses.org>
To:	Trond Myklebust <trond.myklebust@....uio.no>
Cc:	"P.V.Anthony" <pvantony@...gnet.com.sg>,
	linux-kernel@...r.kernel.org
Subject: Re: Solved - How to change the FSINFO for nfsd?

On Sat, May 17, 2008 at 02:36:42PM -0400, Trond Myklebust wrote:
> On Sat, 2008-05-17 at 20:25 +0200, Jan Engelhardt wrote:
> > On Saturday 2008-05-17 19:57, P.V.Anthony wrote:
> > > resp->f_properties = NFS3_FSF_DEFAULT;
> > >
> > > nfserr = fh_verify(rqstp, &argp->fh, 0, MAY_NOP);
> > > @@ -570,7 +570,7 @@
> > > if (sb->s_magic == 0x4d44 /* MSDOS_SUPER_MAGIC */) {
> > > resp->f_properties = NFS3_FSF_BILLYBOY;
> > > }
> > > - resp->f_maxfilesize = sb->s_maxbytes;
> > > + resp->f_maxfilesize = 0xffffffffffffffff;
> 
>    This is plain wrong! Pretending that your filesystem supports 64-bit
> files won't magically make it so.

Yes.  Could you tell us what filesystem you're using?

It's a bit bizarre that this would fix anything; I'd think the more
likely result would be errors on write and/or some kind of file
corruption.

--b.
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