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Date: Mon, 25 Aug 2003 21:39:11 -0700
From: David Schultz <das@freebsd.org>
To: Garrett Wollman <wollman@khavrinen.lcs.mit.edu>
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cc: freebsd-current@freebsd.org
Subject: Re: 64 bit quantities in statfs ?
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On Mon, Aug 25, 2003, Garrett Wollman wrote:
> <<On Sun, 24 Aug 2003 16:04:40 -0700, David Schultz <das@freebsd.org> said:
> 
> > Yep, looks broken.  In the POSIX standard, the functionality of
> > statfs() is provided by statvfs(), so implementing the latter may
> > be a way out that doesn't involve breaking any ABIs.
> 
> statfs() is a lot more useful interface than statvfs().  I'd like to
> keep statvfs() as the ``standard'' interface, rather than extending it
> to cover all of the information that statfs() has.
> 
> In order to grow statfs() we need to rev libc.  It might be
> appropriate to do that in the 5.2 time frame, if we are still
> anticipating that 5.2 will be the -stable crossover point.  RE team?

We can't fix statfs() until 6.0.  statvfs() is potentially just as
useful, and it doesn't suffer from the same problems.  Despite
being underspecified by the standard, many systems, e.g. Solaris,
make it convey at least as much information as statfs().