From: Andries Brouwer <aebr@win.tue.nl>
To: "H. Peter Anvin" <hpa@zytor.com>
Cc: linux-fsdevel@vger.kernel.org
Subject: Re: [Fwd: [Bug 136] New: FSID returned from statvfs always 0]
Date: Tue, 10 Dec 2002 00:04:18 +0100 [thread overview]
Message-ID: <20021209230418.GA9444@win.tue.nl> (raw)
In-Reply-To: <at34lg$gck$1@cesium.transmeta.com>
On Mon, Dec 09, 2002 at 02:15:12PM -0800, H. Peter Anvin wrote:
> > The general idea is that f_fsid contains some random stuff such that
> > the pair (f_fsid,ino) uniquely determines a file.
> This, of course, is the exact POSIX definition of the st_dev part of
> struct stat: (st_dev, st_ino) uniquely identifies the file.
Yes, but the difference is that (st_dev, st_ino) only identifies
the file within a single machine, and may stop working when you
have NFS mounts.
The traditional implementations use st_dev and NFS filehandles
and a hash of the filesystem type.
Andries
next prev parent reply other threads:[~2002-12-09 23:04 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-12-03 23:53 [Fwd: [Bug 136] New: FSID returned from statvfs always 0] Andrew Morton
2002-12-04 3:11 ` Stephen Lord
2002-12-04 3:25 ` Andries Brouwer
2002-12-04 4:09 ` Andrew Morton
2002-12-04 18:00 ` Bryan Henderson
2002-12-09 22:15 ` H. Peter Anvin
2002-12-09 23:04 ` Andries Brouwer [this message]
2002-12-18 5:15 ` Andrew Morton
2002-12-18 16:25 ` Bryan Henderson
2002-12-18 20:18 ` H. Peter Anvin
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