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Re: booting btrfs

From: Andrey Borzenkov
Subject: Re: booting btrfs
Date: Mon, 13 Jan 2014 17:08:49 +0400

On Mon, Jan 13, 2014 at 1:12 PM, Michael Chang <address@hidden> wrote:
> OK. To be more verbose, the question of mine is that I'm uncertain if
> we don't explicitly install to a partition using blocklists, the
> /fs/core.img would still automatically get blocklists of itself
> updated on it's own diskboot.S header or stay with default?

On i386-pc you boot core.img by using "multiboot". It bypasses
blocklists completely so it is irrelevant. On EFI you get standard EFI
binary that you can "chainload".

>>>> BTW 30_os-prober will happily fetch boot entries from every existing
>>>> snapshot, presenting them all with identical names and "merging" all
>>>> boot entries from all snapshots because it generates the same menu id
>>>> (it includes only fs UUID, but no subvolume information).
>>> Are you suggesting to use os-prober, instead sourced by master config
>>> directly for inclusion of boot entries of snapshots ? Or I've
>>> misinterpreted it?
>> Oh, sorry for confusion. I simply meant that current 30_os-prober is
>> buggy and needs fixing. I think I have an idea how.
> You meant fixing 30_os-prober or getting btrfs snapshot booting to
> work ?

I mean fixing 30_os-prober

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