From: Eric Sandeen <sandeen@redhat.com>
To: Andreas Dilger <adilger@sun.com>
Cc: ext4 development <linux-ext4@vger.kernel.org>,
Alex Tomas <alex.tomas@sun.com>
Subject: Re: delalloc fragmenting files?
Date: Fri, 26 Oct 2007 22:08:47 -0500 [thread overview]
Message-ID: <4722ABBF.1030503@redhat.com> (raw)
In-Reply-To: <4722A87F.3070709@redhat.com>
Eric Sandeen wrote:
> but not yet O_DIRECT, will do.
dd if=/dev/zero oflag=direct of=/mnt/test/foobar bs=1024k count=8192
filefrag -v /mnt/test/foobar | grep -i extents
File is stored in extents format
/mnt/test/foobar: 67 extents found
http://people.redhat.com/esandeen/seekwatcher/ext4-dd-write-odirect.png
-Eric
next prev parent reply other threads:[~2007-10-27 3:08 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-26 21:24 delalloc fragmenting files? Eric Sandeen
2007-10-26 22:19 ` Andreas Dilger
2007-10-27 2:54 ` Eric Sandeen
2007-10-27 3:08 ` Eric Sandeen [this message]
2007-10-31 21:01 ` Eric Sandeen
2007-11-01 0:35 ` Alex Tomas
2007-11-01 15:20 ` Eric Sandeen
2007-11-01 19:05 ` Eric Sandeen
2007-11-02 8:56 ` Alex Tomas
2007-11-02 15:41 ` Eric Sandeen
2007-11-04 18:36 ` Alex Tomas
2007-11-05 17:37 ` Eric Sandeen
2007-11-05 17:39 ` Eric Sandeen
2007-11-05 17:45 ` Alex Tomas
2007-11-05 18:51 ` Andreas Dilger
2007-11-05 18:54 ` Eric Sandeen
2007-11-06 19:54 ` Eric Sandeen
2007-11-07 20:37 ` Andreas Dilger
2007-11-07 20:53 ` Eric Sandeen
2007-10-29 19:13 ` Eric Sandeen
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