mounting per serial number or UUID (was: Re: AHCI driver update - initial PM support in.)

["Simon 'corecode' Schubert" <corecode@xxxxxxxxxxxx>]

Matthew Dillon wrote:
>     We also really, really need to start making the device mounts available
>     by disk serial number as the probe ordering will change the 'daXXX'
>     assigned to any given drive, but that's another issue.

I think we should have that in any case, and devfs should make this really 
easy.

However I think we should also consider mounting via UUID/labels instead 
of device node.  What I mean is that file systems assign a label or UUID, 
and on mount they could scan all available block devices for (a) 
containing this type of file system and (b) having that UUID.

cheers
  simon

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