From mboxrd@z Thu Jan  1 00:00:00 1970
From: Alasdair G Kergon <agk@redhat.com>
Subject: Re: [PATCH] Emulate BLKRRPART on device-mapper
Date: Mon, 20 Jul 2009 19:23:24 +0100
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References: <200907081414.50698.knikanth@suse.de>
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To: Nikanth Karthikesan <knikanth@suse.de>, Hannes Reinecke <hare@suse.de>
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On Wed, Jul 08, 2009 at 02:14:50PM +0530, Nikanth Karthikesan wrote:
> From: Hannes Reinecke <hare@suse.de>
> Subject: Emulate BLKRRPART on device-mapper
> 
> Partitions on device-mapper devices are managed by kpartx (if at
> all). So if we were just to send out a 'change' event if someone
> called BLKRRPART on these devices, kpartx will be triggered via udev
> and can manage the partitions accordingly.
> 
> Signed-off-by: Hannes Reinecke <hare@suse.de>
> Signed-off-by: Nikanth Karthikesan <knikanth@suse.de>
 
Please could I have a 'Tested-by' for this one?

I agree with the idea, but I need some evidence that this specific patch
works correctly.  (The block layer is supposed to handle that class
of ioctls itself and I didn't think dm saw them.)

Alasdair