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Subject: Re: XFS?
From: Eric Sandeen <sandeen@sgi.com>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Bill Davidsen <davidsen@tmr.com>, Andi Kleen <ak@suse.de>,
       Thunder from the hill <thunder@lightweight.ods.org>,
       linux-kernel@vger.kernel.org
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On Wed, 2002-09-11 at 11:03, Alan Cox wrote:
> Thats never been the big concern. The problem has always been that XFS
> was very invasive code so it might break stuff for people who dont
> choose to use experimental xfs stuff. Thats slowly improving

Alan - 

The last patch Christoph posted against 2.5 is not the least bit 
invasive.  Excluding documentation and configuration files, these are
the changes:

o 1 new process flag:   +#define PF_FSTRANS 0x00100000
o 1 new CTL_VM name:    +       VM_PAGEBUF=18
o 1 new CTL_FS name:    +       FS_XFS=17
o 1 exported symbol:    +EXPORT_SYMBOL(mark_page_accessed);

and of course an addition to fs/Makefile:
+obj-$(CONFIG_XFS_FS)           += xfs/

That's it.  The rest is under fs/xfs.

(2.4 is more invasive, but this thread started out talking about XFS in
2.5).

-Eric
-- 
Eric Sandeen      XFS for Linux     http://oss.sgi.com/projects/xfs
sandeen@sgi.com   SGI, Inc.         651-683-3102

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