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Date:      Mon, 24 Dec 2001 09:03:19 -0700
From:      Chad David <davidc@acns.ab.ca>
To:        Lamont Granquist <lamont@scriptkiddie.org>
Cc:        Wayne Pascoe <freebsd@molemanarmy.com>, freebsd-hackers@FreeBSD.ORG
Subject:   Re: Repost - f_type value in statfs structure
Message-ID:  <20011224090319.A7670@colnta.acns.ab.ca>
In-Reply-To: <20011224000418.T2506-100000@coredump.scriptkiddie.org>; from lamont@scriptkiddie.org on Mon, Dec 24, 2001 at 12:06:20AM -0800
References:  <20011223023352.A5404@colnta.acns.ab.ca> <20011224000418.T2506-100000@coredump.scriptkiddie.org>

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On Mon, Dec 24, 2001 at 12:06:20AM -0800, Lamont Granquist wrote:
> 
> 
> On Sun, 23 Dec 2001, Chad David wrote:
> > 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?
> 
> try vn_isdisk(vp, &error) where vp is the vnode pointer to the block
> device?
> 

He is trying to do this from userland, I think...?

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

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