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From: Christoph Hellwig <hch@infradead.org>
To: Joel Becker <Joel.Becker@oracle.com>
Cc: Mark Fasheh <mfasheh@suse.com>,
	Christoph Hellwig <hch@infradead.org>,
	linux-fsdevel@vger.kernel.org, Andreas Dilger <adilger@shaw.ca>,
	Kalpak Shah <Kalpak.Shah@sun.com>,
	Eric Sandeen <sandeen@redhat.com>,
	Josef Bacik <jbacik@redhat.com>
Subject: Re: [RFC][PATCH 0/5] Fiemap, an extent mapping ioctl
Date: Wed, 28 May 2008 01:14:28 -0400	[thread overview]
Message-ID: <20080528051428.GA24441@infradead.org> (raw)
In-Reply-To: <20080527203124.GC27827@mail.oracle.com>

On Tue, May 27, 2008 at 01:31:24PM -0700, Joel Becker wrote:
> 	Provide generic_fiemap_fiecount() that does the operation in
> terms of ->fiemap().  Then filesystems like ocfs2 can just do .fiecount
> = generic_fiemap_fiecount.

Yes, exactly.  Although I suspect for most filesystems an iterator-based
implementation like the one for ext4 in the patchset would actually be
ceaner.

I like these iterators, they helped cleaning up a lot of messy interface
in XFS.

  parent reply	other threads:[~2008-05-28  5:14 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-05-25  0:01 [RFC][PATCH 0/5] Fiemap, an extent mapping ioctl Mark Fasheh
2008-05-25 19:42 ` Christoph Hellwig
2008-05-25 20:59   ` Brad Boyer
2008-05-26 10:59   ` Andreas Dilger
2008-05-26 18:04     ` Brad Boyer
2008-05-27 16:45     ` Christoph Hellwig
2008-05-27 21:10       ` Mark Fasheh
2008-05-27 13:48   ` Chris Mason
2008-05-27 16:21     ` Eric Sandeen
2008-05-27 16:47       ` Christoph Hellwig
2008-05-27 20:34         ` Joel Becker
2008-05-27 16:52     ` jim owens
2008-05-27 17:19       ` Chris Mason
2008-05-28 16:09         ` Andreas Dilger
2008-05-28 16:33           ` Chris Mason
2008-05-29 22:01             ` Andreas Dilger
2008-05-30 13:37               ` Chris Mason
2008-05-29 13:01           ` Christoph Hellwig
2008-05-29 20:17             ` Andreas Dilger
2008-05-27 18:56   ` Mark Fasheh
2008-05-27 20:31     ` Joel Becker
2008-05-27 20:49       ` Mark Fasheh
2008-05-28  5:14       ` Christoph Hellwig [this message]
2008-05-28 16:02       ` Andreas Dilger
2008-05-28 17:04         ` Joel Becker
2008-05-29  0:51           ` Dave Chinner
2008-05-29 13:02             ` Christoph Hellwig
2008-05-29 15:33               ` jim owens
2008-05-29 15:53                 ` Jamie Lokier
2008-05-29 18:56                 ` Joel Becker
2008-05-29 21:41                   ` Andreas Dilger
2008-05-29 21:47                     ` Joel Becker
2008-05-29 23:20                       ` Andreas Dilger
2008-05-29  1:17           ` Andreas Dilger
2008-05-29  5:55         ` Christoph Hellwig

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