From: Olaf Kirch <okir@suse.de>
To: Christoph Hellwig <hch@infradead.org>
Cc: nfs@lists.sourceforge.net
Subject: Re: [PATCH] statfs fails with EOVERFLOW
Date: Tue, 23 Mar 2004 14:30:19 +0100 [thread overview]
Message-ID: <20040323133019.GD30984@suse.de> (raw)
In-Reply-To: <20040323132127.A322@infradead.org>
On Tue, Mar 23, 2004 at 01:21:27PM +0000, Christoph Hellwig wrote:
> On Tue, Mar 23, 2004 at 02:05:13PM +0100, Olaf Kirch wrote:
> > I am currently dealing with a 2.6 bug report concerning statfs failing
> > with EOVERFLOW. This happens on very large NFS file systems, and the
> > problem is obviously that by default, we set s_blocksize to the wtmult
> > value advertised by the server. If tbytes / wtmult exceeds 31 bits, statfs
> > will fail with EOVERFLOW (on 2.4 it would silently produce crap values).
>
> that's why we have statfs64 in 2.6, a program with the right LFS magic
> and a recentish glibc should use if for you.
The glibc maintainers at suse tell me it's broken at the moment.
Second, not all apps can easily be converted to LFS support. One of the
apps that barfed was OpenOffice... be my guest and make it LFS clean :)
And finally, I think it's really an NFS bug. A local statfs on the file
system on the server works fine; it's just that the NFS client barfs
because it uses wtmult as the block size (and if it's a v2 mount, things
are even worse because it picks a totally arbitrary wtmult value of 512).
Olaf
--
Olaf Kirch | Stop wasting entropy - start using predictable
okir@suse.de | tempfile names today!
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next prev parent reply other threads:[~2004-03-23 13:30 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-03-23 13:05 [PATCH] statfs fails with EOVERFLOW Olaf Kirch
2004-03-23 13:21 ` Christoph Hellwig
2004-03-23 13:30 ` Olaf Kirch [this message]
2004-03-23 13:36 ` Christoph Hellwig
2004-03-23 16:25 ` Trond Myklebust
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