[Libguestfs] [PATCH 2/2] launch: Add add_drive 'label' option.

Olaf Hering olaf at aepfle.de
Fri Oct 5 12:03:44 UTC 2012


On Fri, Oct 05, Richard W.M. Jones wrote:

> On Fri, Oct 05, 2012 at 12:32:58PM +0200, Olaf Hering wrote:
> > No support for digits etc.?
> The underlying serial field supports digits and more (in fact it's
> really an arbitrary 20 byte buffer).  However I excluded digits in
> this case because the usual Linux naming scheme for partitions is
> either:
> 
>   /dev/<name><partnum>
> 
> where <name> ends in an alphabetic character (eg. /dev/sda) , else:
> 
>   /dev/<name>p<partnum>
> 
> where <name> ends in a digit (eg. /dev/mmcblk0p1).
> 
> If we allow people to use a label that ends in a digit then we'd
> (probably) need to abide by this convention too, which makes things
> complicated.  I agree this is not ideal, but also we can relax this
> restriction later.

Isnt the above true only for kernel names, but not for persistant
devicenames in /dev/disk/by-{id,name,label,foo}. I think the latter get
"-partN" appended by udev.

Olaf




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