From: Eric Sandeen <sandeen@redhat.com>
To: Tao Ma <tao.ma@oracle.com>
Cc: linux-ext4@vger.kernel.org, Theodore Tso <tytso@mit.edu>,
linux-kernel@vger.kernel.org
Subject: Re: fiemap is broken for sparse file in ext4?
Date: Fri, 11 Jun 2010 10:46:52 -0500 [thread overview]
Message-ID: <4C125A6C.2090805@redhat.com> (raw)
In-Reply-To: <4C11C41C.9070000@oracle.com>
Tao Ma wrote:
>> What are you using to call fiemap? Here it seems to be working:
> I just wrote a simple test program by calling ioctl. It is attached.
> btw, you need to call it immediately after dd so that we have a chance
> that ext4 don't have time to allocate extents. ;)
OK I take it back, I do see it. *cough* too many different filesystems
on this box ... ;)
Yes, it does look like a bug.
-Eric
next prev parent reply other threads:[~2010-06-11 15:46 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-11 2:15 fiemap is broken for sparse file in ext4? Tao Ma
2010-06-11 4:08 ` Eric Sandeen
2010-06-11 5:05 ` Tao Ma
2010-06-11 13:43 ` Eric Sandeen
2010-06-11 15:46 ` Eric Sandeen [this message]
2010-06-11 16:46 ` Greg Freemyer
2010-06-11 16:46 ` Greg Freemyer
2010-06-11 16:56 ` Eric Sandeen
2010-06-11 23:46 ` Tao Ma
2010-06-11 23:55 ` Eric Sandeen
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