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Date:      Sun, 23 Dec 2001 02:33:52 -0700
From:      Chad David <davidc@acns.ab.ca>
To:        Wayne Pascoe <freebsd@molemanarmy.com>
Cc:        freebsd-hackers@FreeBSD.ORG
Subject:   Re: Repost - f_type value in statfs structure
Message-ID:  <20011223023352.A5404@colnta.acns.ab.ca>
In-Reply-To: <86y9ju97fz.fsf@pan.home.penguinpowered.org.uk>; from freebsd@molemanarmy.com on Sat, Dec 22, 2001 at 11:11:12PM %2B0000
References:  <86wv01tijn.fsf@pan.home.penguinpowered.org.uk> <20011205160251.A20136@colnta.acns.ab.ca> <86y9ju97fz.fsf@pan.home.penguinpowered.org.uk>

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On Sat, Dec 22, 2001 at 11:11:12PM +0000, Wayne Pascoe wrote:
> Chad David <davidc@acns.ab.ca> writes:
> 
> > > The issue that I am having is detecting valid filesystems to do
> > > further checks on. I am only interested in checking local filesystems
> > > such as UFS. 
> > 
> > Check for the MNT_LOCAL flag in f_flags.
> > 
> -- code example snipped --
> 
> Thanks for that. I've tried it and the problem with it is that it
> reports things like procfs and devfs as being local. The only things
> that don't appear local are things like nfs mounts.
> 
> I guess I need a way to check only filesystems mounted off of
> disks. Is there any way of doing this ? 

They are local :).  Local means that the fs originates on the local
machine.

I think you should be able to call getvfsbyname() and check the flags in
the resulting vfsconf struct for VFCF_SYNTHETIC, but I'm not sure how
reliable that is.  I'm pretty sure devfs is ok, but procfs might not be?

Good luck.

-- 
Chad David        davidc@acns.ab.ca
ACNS Inc.         Calgary, Alberta Canada

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