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Re: xfs and reiserfs

To: Jason Walker <unseen@xxxxxxxxx>
Subject: Re: xfs and reiserfs
From: Christoph Hellwig <hch@xxxxxxxxxx>
Date: Mon, 22 Jan 2001 20:12:43 +0100
Cc: Mark Hounschell <markh@xxxxxxxxxx>, Florin Andrei <florin@xxxxxxx>, linux-xfs@xxxxxxxxxxx
In-reply-to: <Pine.LNX.4.10.10101221349150.31116-100000@xxxxxxxxxxxxxxxxxxx>; from unseen@xxxxxxxxx on Mon, Jan 22, 2001 at 01:54:17PM -0500
References: <3A6C7E32.F5854394@xxxxxxxxxx> <Pine.LNX.4.10.10101221349150.31116-100000@xxxxxxxxxxxxxxxxxxx>
Sender: owner-linux-xfs@xxxxxxxxxxx
On Mon, Jan 22, 2001 at 01:54:17PM -0500, Jason Walker wrote:
> On Mon, 22 Jan 2001, Mark Hounschell wrote:
> 
> >   While I'm here does anyone know anything about the 2 problems I
> > descibed above.
> > 
> > 1. No LFS support in reiser  ( I know this ain't a reiser list. Sorry)
> > 2. On an XFS fs, doing an ls in a directory that has a file larger then
> >    2+gb gives a message about to large to stat.
> 
>       If I remember correctly, on linux x86, i.e. 32-bit linux, the VFS layer
> is still 32 bit. this means that no matter XFS's or reisers limits, you are
> limited to 2gb for files. Redhat has released a fix to increase that limit
> to 4 or 8gb, I *think* in their "professional" kernels or whatever.  I also
> believe that SGI's development team is working with kernel developers for a
> workaround so we can have a 64-bit VFS layer, thus truely being able to
> exploit XFS's (and other fs's) ability.  I have heard from friends (very
> smart friends with nice boxes) that even old ext2's limit is not 2gb, that
> it's a VFS thing. they claim that on a 64-bit arch. they can exceed the 2gb
> file size limit no problem. Ponder that. :)

Linux 2.4 has a '64bit VFS'.

        Christoph

-- 
Whip me.  Beat me.  Make me maintain AIX.

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