Re: booting btrfs

[Vladimir 'φ-coder/phcoder' Serbinenko]

On 19.12.2013 17:13, Andrey Borzenkov wrote:
> В Mon, 28 Oct 2013 01:44:26 +0100
> Vladimir 'φ-coder/phcoder' Serbinenko <address@hidden> пишет:
> 
>> I changed in trunk to make / refer to real root and modified
>> grub-mkrelpath to follow the same convention, even if disk is mounted
>> with subvolid.
>>
> 
> Can it cause compatibility issues? It means if config file that works
> for grub before this change will stop working after. So e.g. attempt to
> "configfile /file/from/partition/with/old/grub-mkconfig" will fail.
> 
Normally I'd consider this a problem but the current behaviour is the
intended one, just back when the code was written thre were no changing
default yes
> May be subvolume support should use different syntax. Something like
> 
> (hd0,1){sv=subvolume}/xxx
> (hd0,1){svid=NNN}/yyy
> 
This would complicate the code a lot and commit us to maintaining it
long-term. Given that btrfs isn't clasified as stable, I consider this
behaviour change acceptable and it's better to handle this now rather
than perpetuating the issue.
> And continue to interpret old syntax as relative to default.
> 
> 
> 
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