On 3/23/26 11:20 AM, Robert Nagy wrote:
> On 23/03/26 10:45 +0100, Claudio Jeker wrote:
>> On Mon, Mar 23, 2026 at 08:32:43AM +0000, Stuart Henderson wrote:
>>> On 2026/03/23 03:45, Thomas de Grivel wrote:
>>>> I did check everything and it did look like ext2fs code with minor
>>>> modifications that I fully understand to support ext4 extents and
>>>> checksums it's not that big of a deal : ext4 is just ext2 with 64 bit,
>>>> different checksums and extents tree walking.
>>>
>>> Why standalone rather than done as diffs to ext2fs?
>>>
>>
>> I wondered about the same. In general I would expect all of this be
>> handled by one set of tools. Similar like we handle UFS and UFS2.
>>   
>> I did not check myself but it seems the Internet thinks that dragonflybsd
>> has ext2/3/4 support all backed into the ext2fs implementation which is
>> probably close to ours. If that is true there may be a place where a lot
>> of the code can be picked up.
> 
> The other question is the usefullness of this. Do we really need ext4 support
> in base?

That's exactly the question I had in mind without daring to post it. 
Besides that, is ext2 actually useful either? Does it still have any 
practical use nowadays?

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