Re: [PATCH v15.1 00/13] Btrfs In-band De-duplication

[Lu Fengqi <lufq.fnst@cn.fujitsu.com>]

On Tue, Nov 13, 2018 at 02:45:45PM +0100, David Sterba wrote:
>On Tue, Nov 06, 2018 at 02:41:09PM +0800, Lu Fengqi wrote:
>> This patchset can be fetched from github:
>> https://github.com/littleroad/linux.git dedupe_latest
>> 
>> Now the new base is v4.20-rc1.
>
>Before anybody spends more time with this patchset: this is a big
>feature and quite intrusive to several btrfs subsystems. Currently it's
>on hold as it requires finishing the design phase, it's still only the
>in-memory backend and before we claim in-band dedupe, the persistent
>hash tree needs to be at least drafted or prototyped.

Thanks for your explanation. However, I'm not sure why we need to draft
a prototype of the persistent hash tree first when we are talking about
the memory backend.

-- 
Thanks,
Lu

>
>At this point there are several features that are in a more complete
>state so they get preferred when it comes to merging. I would have to
>look up what was agreed long time ago as merging plan, but at this point
>this series would require a lot of work.
>
>