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Re: mmap() problem on xfs

To: Arkadiusz Miskiewicz <misiek@xxxxxxxxxx>
Subject: Re: mmap() problem on xfs
From: Steve Lord <lord@xxxxxxx>
Date: 17 Jun 2002 09:49:56 -0500
Cc: linux-xfs@xxxxxxxxxxx
In-reply-to: <877kl0ub06.fsf@arm.t19.ds.pwr.wroc.pl>
References: <200206141826.g5EIQe7K022769@oss.sgi.com> <1024088785.20553.334.camel@jen.americas.sgi.com> <877kl0ub06.fsf@arm.t19.ds.pwr.wroc.pl>
Sender: owner-linux-xfs@xxxxxxxxxxx
On Sat, 2002-06-15 at 04:50, Arkadiusz Miskiewicz wrote:
> Steve Lord <lord@xxxxxxx> writes:
> 
> > This test program works here on the current xfs code base. Which
> > suggests this is either something we have fixed, or a problem 
> > with something else in your tree.
> Ok, please do one more test - download ftp://misie.k.pl/xfs/xfs-test.img
> (35MB) and run mmapcat (included in image) on it.
> 
> Our kernel is heavily patched so one of these patches may break things
> but we had one raport on such problem on vanilla 2.4.18 + xfs patch.

This does indeed look like a real problem, it is dependent on which
kernel wrote the files in the first place, so this explains why I did
not see it originally. Moving to a different test box made it happen.

I know what has to change, just not sure how yet. 

Steve


-- 

Steve Lord                                      voice: +1-651-683-3511
Principal Engineer, Filesystem Software         email: lord@xxxxxxx


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