From: Christoph Hellwig <hch@infradead.org>
To: Eric Blake <eblake@redhat.com>
Cc: Eric Sandeen <sandeen@sandeen.net>,
Jim Meyering <jim@meyering.net>, xfs-oss <xfs@oss.sgi.com>,
Christoph Hellwig <hch@infradead.org>,
coreutils@gnu.org, linux-ext4@vger.kernel.org,
Markus Trippelsdorf <markus@trippelsdorf.de>
Subject: Re: Files full of zeros with coreutils-8.11 and xfs (FIEMAP related?)
Date: Fri, 15 Apr 2011 13:26:03 -0400 [thread overview]
Message-ID: <20110415172603.GA20086@infradead.org> (raw)
In-Reply-To: <4DA87F43.5040807@redhat.com>
On Fri, Apr 15, 2011 at 11:24:19AM -0600, Eric Blake wrote:
> Would it be worth borrowing from Solaris' semantics and adding SEEK_HOLE
> and SEEK_DATA to lseek(2), as a higher level (less-detailed, but easier
> to define and easier to use) interface for discovering the regions of a
> file that only contain NUL bytes?
Yes, I've already suggested that both in this thread and on IRC.
For efficient copies it's the only usable interface.
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next prev parent reply other threads:[~2011-04-15 17:22 UTC|newest]
Thread overview: 61+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-14 10:26 Files full of zeros with coreutils-8.11 and xfs (FIEMAP related?) Markus Trippelsdorf
2011-04-14 12:06 ` Markus Trippelsdorf
2011-04-14 14:02 ` Markus Trippelsdorf
2011-04-14 14:59 ` Pádraig Brady
2011-04-14 15:50 ` Eric Sandeen
2011-04-14 15:52 ` Pádraig Brady
2011-04-14 15:56 ` Eric Sandeen
2011-04-14 16:03 ` Markus Trippelsdorf
2011-04-14 16:14 ` Eric Sandeen
2011-04-14 16:21 ` Yongqiang Yang
2011-04-14 16:28 ` Markus Trippelsdorf
2011-04-14 16:31 ` Eric Sandeen
2011-04-14 16:48 ` Markus Trippelsdorf
2011-04-14 16:49 ` Eric Sandeen
2011-04-14 16:04 ` Yongqiang Yang
2011-04-14 16:10 ` Yongqiang Yang
2011-05-05 11:29 ` Pádraig Brady
2011-05-05 11:47 ` Yongqiang Yang
2011-04-14 17:27 ` Jim Meyering
2011-04-14 19:13 ` Pádraig Brady
2011-04-14 19:39 ` Jim Meyering
2011-04-14 22:59 ` Dave Chinner
2011-04-14 23:29 ` Pádraig Brady
2011-04-15 0:09 ` Dave Chinner
2011-04-15 5:01 ` Andreas Dilger
2011-04-16 0:50 ` Dave Chinner
2011-04-16 5:11 ` Andreas Dilger
2011-04-16 12:21 ` Theodore Tso
2011-04-18 0:40 ` Dave Chinner
2011-04-18 2:45 ` Andreas Dilger
2011-04-19 1:58 ` Yongqiang Yang
2011-04-19 2:59 ` Ted Ts'o
2011-04-19 3:05 ` Eric Sandeen
2011-04-21 20:12 ` Jim Meyering
2011-04-19 3:30 ` Yongqiang Yang
2011-04-19 4:14 ` Dave Chinner
2011-04-19 5:27 ` Christoph Hellwig
2011-04-19 3:44 ` Dave Chinner
2011-04-19 6:53 ` Yongqiang Yang
2011-04-19 7:45 ` Dave Chinner
2011-04-19 8:11 ` Yongqiang Yang
2011-04-19 14:05 ` Eric Sandeen
2011-04-19 14:09 ` Ted Ts'o
2011-04-19 14:13 ` Eric Sandeen
2011-04-19 16:01 ` Ted Ts'o
2011-04-20 1:53 ` Yongqiang Yang
2011-04-20 15:21 ` Christoph Hellwig
2011-04-20 17:21 ` Ted Ts'o
2011-04-19 21:08 ` Dave Chinner
2011-04-20 15:29 ` Christoph Hellwig
2011-04-16 6:05 ` Yongqiang Yang
2011-04-18 0:35 ` Dave Chinner
2011-04-15 8:53 ` Jim Meyering
2011-04-15 17:16 ` Christoph Hellwig
2011-04-15 17:24 ` Eric Blake
2011-04-15 17:26 ` Christoph Hellwig [this message]
2011-04-15 22:28 ` Andreas Dilger
2011-04-16 0:25 ` Dave Chinner
2011-04-14 14:39 ` Eric Sandeen
2011-04-20 14:39 ` Jim Meyering
2011-04-21 20:01 ` Jim Meyering
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