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Re: [Qemu-devel] Online resize of virtio-blk device does not emit udev e
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From: |
Milos Vyletel |
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Subject: |
Re: [Qemu-devel] Online resize of virtio-blk device does not emit udev event |
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Date: |
Fri, 22 Feb 2013 18:32:49 +0100 (CET) |
----- Original Message -----
> On Wed, Feb 20, 2013 at 09:34:45PM +0100, Milos Vyletel wrote:
> > It looks like none of the block drivers handle this.
>
> drivers/md/dm*.c is a block driver and you showed that LVM
> (device-mapper) does raise a uevent when the device is resized. That
> would be the place to look.
>
Thanks. That's where I was looking. Device mapper likes to use
uevents and they are all over place. However I found drivers/md/md.c
that uses uevents in same way as my proof of concept patch. I've
posted my patch to LKML to see what they think about it. In case
anyone is interested here's the link
https://patchwork.kernel.org/patch/2172791/
Milos