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

Javier González
2022-03-11T07:53:23Z

On 10.03.2022 23:42, Christoph Hellwig wrote:
>On Fri, Mar 11, 2022 at 04:39:12PM +0900, Damien Le Moal wrote:
>> > (we need to look into it). F2FS will use the emulation layer for now;
>> > only !PO2 devices will pay the price. We will add a knob in the block
>> > layer so that F2FS can force enable the emulation.
>>
>> No. The FS has no business changing the device.

Ok. Then it can be something the user can set.

>
>And nvme will not support any kind of emulation if that wasn't clear.

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?

The emulation is not the goal, but it seems to be a requirement