Re: [Qemu-devel] [PATCH] Modify qemu-img to mount locally disk image using NBD (v2)

[Fabrice Bellard]

Laurent Vivier wrote:
> This patch is a new version of qemu-img using NBD device to mount Qemu
> disk image.
> 
> To not hang on UP system, it needs following patch:
> http://article.gmane.org/gmane.linux.drivers.nbd.general/42
> If you want to use loop to see partitions, you need this patch:
> http://article.gmane.org/gmane.linux.kernel/651269
> otherwise use kpartx (see kpartx package of your distro).
> 
> This patch implements in qemu-img the client and the server of the nbd 
> protocol.
> Moreover, to avoid to specify a port to use, it creates a UNIX socket instead 
> of
> a INET socket.
> 
> It adds two actions to qemu-img:
> - bind, to bind a disk image to a NBD device,
> 
>   qemu-img bind [-d] [-f fmt] device filename
> 
>      ('-d' to daemonize)
> 
> - unbind, to unbind it.
> 
>   qemu-img unbind device
> [...]

Perhaps adding a new specialized tool would be better as there is no
direct relation with qemu-img.

Fabrice.