From: Dave Chinner <david@fromorbit.com>
To: "Aneesh Kumar K. V" <aneesh.kumar@linux.vnet.ibm.com>
Cc: Andreas Dilger <adilger@sun.com>,
hch@infradead.org, viro@zeniv.linux.org.uk,
linux-fsdevel@vger.kernel.org
Subject: Re: [RFC PATCH 2/3] vfs: Add open by file handle support
Date: Mon, 22 Feb 2010 17:31:16 +1100 [thread overview]
Message-ID: <20100222063116.GA22370@discord.disaster> (raw)
In-Reply-To: <87tyt9n6g8.fsf@linux.vnet.ibm.com>
On Mon, Feb 22, 2010 at 11:43:43AM +0530, Aneesh Kumar K. V wrote:
> On Sat, 20 Feb 2010 11:58:34 -0700, Andreas Dilger <adilger@sun.com> wrote:
> > Without the handle identifying the filesystem in some way this is
> > mostly useless. Encoding the device number would be a simple (though
> > non-robust) way to do this, a better way would be with the filesystem
> > UUID and adding an in-kernel UUID->sb mapping function (which is
> > useful for other things as well).
> >
>
> But i understand this is an good requirement. I will see what best I
> can do.
For better or worse, the xfs_handle_t contains a fsid derived from
the UUID if the filesystem.
Cheers,
Dave.
--
Dave Chinner
david@fromorbit.com
next prev parent reply other threads:[~2010-02-22 6:31 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-02-19 5:42 [RFC PATCH] Generic name to handle and open by handle syscalls Aneesh Kumar K.V
2010-02-19 5:42 ` [RFC PATCH 1/3] vfs: Add name to file handle conversion support Aneesh Kumar K.V
2010-02-20 18:15 ` Andreas Dilger
2010-02-22 5:15 ` Aneesh Kumar K. V
2010-02-19 5:42 ` [RFC PATCH 2/3] vfs: Add open by file handle support Aneesh Kumar K.V
2010-02-20 18:58 ` Andreas Dilger
2010-02-20 20:13 ` Brad Boyer
[not found] ` <FB88A140-C2EB-4E62-9769-D2524C874C8C@sun.com>
2010-02-22 2:46 ` Brad Boyer
2010-02-26 19:21 ` J. Bruce Fields
2010-02-28 17:55 ` Andreas Dilger
2010-02-28 19:00 ` J. Bruce Fields
2010-03-01 18:25 ` Oleg Drokin
2010-03-01 21:25 ` J. Bruce Fields
2010-02-22 6:13 ` Aneesh Kumar K. V
2010-02-22 6:31 ` Dave Chinner [this message]
2010-02-26 19:24 ` J. Bruce Fields
2010-02-19 5:42 ` [RFC PATCH 3/3] x86: Add new syscalls for x86_32 Aneesh Kumar K.V
2010-02-19 9:34 ` [RFC PATCH] Generic name to handle and open by handle syscalls Andreas Dilger
2010-02-19 9:49 ` Aneesh Kumar K. V
2010-02-20 19:01 ` Andreas Dilger
2010-02-22 6:27 ` Aneesh Kumar K. V
2010-02-22 23:06 ` Jonathan Corbet
2010-02-23 0:56 ` James Morris
2010-02-23 8:58 ` Aneesh Kumar K. V
2010-02-23 19:46 ` Jonathan Corbet
2010-02-24 0:49 ` Dave Chinner
2010-02-25 4:53 ` Serge E. Hallyn
2010-02-25 14:30 ` Jonathan Corbet
2010-02-25 15:19 ` Serge E. Hallyn
2010-02-25 17:55 ` Aneesh Kumar K. V
2010-02-25 18:11 ` Serge E. Hallyn
2010-02-25 18:20 ` Aneesh Kumar K. V
2010-02-25 19:05 ` Serge E. Hallyn
2010-02-26 9:12 ` Andreas Dilger
2010-02-26 19:56 ` Serge E. Hallyn
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