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Date: Tue, 30 Sep 2003 16:25:06 -0700
From: Steve Kargl <sgk@troutmask.apl.washington.edu>
To: Lukas Ertl <l.ertl@univie.ac.at>
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	<20030930194544.H94686@ganymede.hub.org> <20031001010119.M592@korben.in.tern>
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cc: freebsd-current@freebsd.org
Subject: Re: Improvements to fsck performance in -current ...?
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On Wed, Oct 01, 2003 at 01:04:51AM +0200, Lukas Ertl wrote:
> >
> > are either of these enhancements back-patchable to the 4.x fsck, or do
> > they require some non-4.x compatible changes to work?
> 
> It's not just the fsck application itself, background fsck basically needs
> file system snapshots, which are only available on UFS2, and I'm not sure
> if they can be backported to UFS1 at all.
> 

As soon as Kirk committed the snapshot capability, snapshot became available
on UFS1.  The only requirement is softupdates and softupdates pre-dates
UFS2. 

-- 
Steve