[PATCH U-BOOT 00/26] fs: btrfs: Re-implement btrfs support using the more widely used extent buffer base code

Qu Wenruo
2020-04-22T07:56:05Z

On 2020/4/22 ??3:52, Qu Wenruo wrote:
>
>
> On 2020/4/22 ??3:46, Marek Behun wrote:
>> On Wed, 22 Apr 2020 14:49:43 +0800
>> Qu Wenruo <wqu@suse.com> wrote:
>>
>> Hi Qu,
>>
>>> The current btrfs code in U-boot is using a creative way to read on-disk
>>> data.
>>> It's pretty simple, involving the least amount of code, but pretty
>>> different from btrfs-progs nor kernel, making it pretty hard to sync
>>> code between different projects.
>>
>> do you think maybe btrfs-progs / kernel would be interested if I
>> tried to convert their code to this "simpler to use" implementation of
>> conversion functions?
>
> I don't think so, the problem is kernel and btrfs-progs all need to
> modify extent buffer, which make the read time conversion become a
> burden in write path.
>
>>
>>> Thus only the following 5 patches need extra review attention:
>>> - Patch 0017
>>> - Patch 0018
>>> - Patch 0022
>>> - Patch 0023
>>> - Patch 0024
>>
>> Anyway, this patch series does not apply cleanly on u-boot/master. I
>> tried with the first 3 patches and then gave up :(
>> Sorry about this but I will review and test if you send a series that
>> applies cleanly.
>
> That's strange, the branch is originally based on an older master, as
> you can find in the github.
>
> I guess there are some more btrfs related code change since then, I'll
> rebase them to latest master, and update the github repo then.

Git repo updated.
You can fetch that branch.

Only two small conflicts during rebase, and since it compiles I haven't
re-done the full test, but it looks pretty OK.

Thanks,
Qu

>
> Thanks,
> Qu
>
>>
>> Marek
>>
>

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