Re: [LSF/MM/BPF BoF] BoF for Zoned Storage

Damien Le Moal
2022-03-12T08:03:19Z

On 3/11/22 17:59, Javier González wrote:
> On 11.03.2022 00:46, Christoph Hellwig wrote:
>> On Fri, Mar 11, 2022 at 08:53:17AM +0100, Javier González wrote:
>>> How do you propose we meed the request from Damien to support _all_
>>> existing users if we remove the PO2 constraint from the block layer?
>>
>> By actually making the users support it. Not by adding crap to
>> block drivers to pretend that they are exposing something totally
>> different than what they actually are.
>
> Ok. Is it reasonable for you that we start removing the PO2 check in the
> block layer and then add btrfs support? This will mean that some
> applications that assume PO2 will not work.
>
> Damien: Are you OK with this?

See my answer to Luis's email.

>
> We can then work on other parts as needed (e.g., ZoneFS)

--
Damien Le Moal
Western Digital Research