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From: Karel Zak <kzak@redhat.com>
To: util-linux@vger.kernel.org
Cc: Jeff Mahoney <jeffm@suse.com>
Subject: Re: loopdev regression with v2.23
Date: Mon, 13 May 2013 11:07:28 +0200	[thread overview]
Message-ID: <20130513090728.GB26163@x2.net.home> (raw)
In-Reply-To: <20130511233910.GO494@rampage>

On Sat, May 11, 2013 at 07:39:10PM -0400, Dave Reisner wrote:
> I have a bug report that points out that v2.23 has disallowed losetup of
> a block device with an offset:
> 
> https://bugs.archlinux.org/task/35193
> 
> As I also note in the bug report, I've bisected this to commit 293714c0d15.
> 
> I'm not clear on what the proper fix is here -- "expected_size" is set
> to 0 since the fstat call is performed on a special file which has a 0
> size. Is the right thing to do simply return 0 if the size of the
> "backing file" is 0?

The right thing is to use size of the block device if the backing file
is a block device. Fixed. Git pull.

All this is workaround for kernel bug (already fixed in v3.9). I hope
that one day we will use KERNEL_VERSION macro to exclude all this
painful thing :-)

Thanks!

    Karel

-- 
 Karel Zak  <kzak@redhat.com>
 http://karelzak.blogspot.com

      reply	other threads:[~2013-05-13  9:07 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-05-11 23:39 loopdev regression with v2.23 Dave Reisner
2013-05-13  9:07 ` Karel Zak [this message]

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