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From: Andreas Dilger <adilger@sun.com>
To: Mike Waychison <mikew@google.com>
Cc: Chris Mason <chris.mason@oracle.com>,
	Anton Altaparmakov <aia21@cam.ac.uk>,
	linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
	Kalpak Shah <Kalpak.Shah@Sun.COM>
Subject: Re: [patch 0/6][RFC] Cleanup FIBMAP
Date: Mon, 29 Oct 2007 13:47:20 -0600	[thread overview]
Message-ID: <20071029194720.GC3042@webber.adilger.int> (raw)
In-Reply-To: <47263187.5070106@google.com>

On Oct 29, 2007  12:16 -0700, Mike Waychison wrote:
> Chris Mason wrote:
>> Reiserfs and Btrfs also use 0 to mean packed.  It would be nice if there
>> was a way to indicate your-data-is-here-but-isn't-alone.  But that's
>> more of a feature for the FIEMAP stuff.
>
> I hadn't heard of FIEMAP, so I went back and read the thread from 
> April/May.  It seems that this is a much better approach than introducing a 
> FIBMAP64.
>
> What ever happened with this proposal?

We made a patch for ext4 that we need to update and push upstream.  I've
just resent the spec we used in a separate email (attached to old thread)
for reference.

Cheers, Andreas
--
Andreas Dilger
Sr. Software Engineer, Lustre Group
Sun Microsystems of Canada, Inc.

  reply	other threads:[~2007-10-29 19:47 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-10-26 23:37 [patch 0/6][RFC] Cleanup FIBMAP Mike Waychison
2007-10-26 23:37 ` [patch 1/6][RFC] Keep FIBMAP from looking at negative block nrs Mike Waychison
2007-10-26 23:37 ` [patch 2/6][RFC] Allow FIBMAP to return EFBIG on large filesystems Mike Waychison
2007-10-26 23:37 ` [patch 3/6][RFC] Move FIBMAP logic Mike Waychison
2007-10-26 23:37 ` [patch 4/6][RFC] Attempt to plug race with truncate Mike Waychison
2007-10-29 13:36   ` Chris Mason
2007-10-26 23:37 ` [patch 5/6][RFC] Introduce FIBMAP64 Mike Waychison
2007-10-29 13:45   ` Chris Mason
2007-10-26 23:37 ` [patch 6/6][RFC] Drop CAP_SYS_RAWIO requirement on FIBMAP Mike Waychison
2007-10-27 17:57 ` [patch 0/6][RFC] Cleanup FIBMAP Anton Altaparmakov
2007-10-27 21:45   ` Szabolcs Szakacsits
2007-10-29 14:10   ` Chris Mason
2007-10-29 16:30     ` Zach Brown
2007-10-29 19:18       ` Mike Waychison
2007-10-29 19:46         ` Chris Mason
2007-10-29 20:01           ` Zach Brown
2007-10-29 20:00         ` Zach Brown
2007-10-31 11:06           ` Ric Wheeler
2007-10-31 16:16             ` Zach Brown
2007-10-31 17:17               ` Ric Wheeler
2007-10-29 19:16     ` Mike Waychison
2007-10-29 19:47       ` Andreas Dilger [this message]
2007-10-28  0:43 ` H. Peter Anvin

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