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Date: Wed, 14 May 2014 21:40:00 +0800
From: Fam Zheng <famz@redhat.com>
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Subject: Re: [Qemu-devel] [PULL 03/17] qemu-img: sort block formats in help
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To: Mike Day <ncmike@ncultra.org>
Cc: Peter Maydell <peter.maydell@linaro.org>, Stefan Hajnoczi <stefanha@gmail.com>, Jeff Cody <jcody@redhat.com>, "qemu-devel@nongnu.org" <qemu-devel@nongnu.org>, Stefan Hajnoczi <stefanha@redhat.com>, Cornelia Huck <cornelia.huck@de.ibm.com>

On Wed, 05/14 09:27, Mike Day wrote:
> On Wed, May 14, 2014 at 8:35 AM, Stefan Hajnoczi <stefanha@gmail.com> wrote:
> > Jeff Cody recently wanted to eliminate duplicate entries in the list.  I
> > thought part of your intention was to address the duplicates with your
> > patch.
> >
> > We can back out the sequence API if it's not supported on older glib but
> > it would be nice to eliminate duplicates later, too.
> 
> I agree. I can submit an additional patch that uses an older API.
> What, exactly is the cause of duplicate entries in the list?

For example in protocol drivers, multiple BlockDrivers are registered with the
same format name, although the protocol names are different:

    nbd
    gluster
    sheepdog

In my build I see 3 nbd's.

Fam