Makes perfect sense. No wonder some btrfs folks used to work on
reiserfs/4. I hope a solution can be or has been found.
On Sat, Jun 19, 2010 at 4:51 PM, Andi Kleen <andi@firstfloor.org>
wrote:> Zhihui Zhang <zzhsuny@gmail.com> writes:
>
>> I wish Btrfs well, so I would venture an idea for this specific case
>> mentioned by Edward Shishkin today.
>>
>> Everyone knows that B-tree has internal and leaf nodes. Can we make
>> the root as the leaf? In other words, if you
>> create a 2K file, the B-tree will have only one node, which is both
>> the root and the leaf. Of course, you need some flag to
>> say this is a "degenerated" form of B-tree. Please cc me if
you want
>> my response.
>
> You need to copy linux-btrfs to reach btrfs developers.
> Ccs added
>
> The problem with your idea is that on btrfs there''s only
> a single tree for the whole fs (or whole snapshot rather)
> So it would only work for a single file because there''s
> only a single root.
>
> -Andi
> --
> ak@linux.intel.com -- Speaking for myself only.
>
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