Re: [PATCH 0/2] Submit split bios in LBA order

[Bart Van Assche <bvanassche@acm.org>]

On 3/26/23 16:44, Christoph Hellwig wrote:
> On Fri, Mar 24, 2023 at 10:05:48AM -0700, Bart Van Assche wrote:
>> If someone else wants to work on this that would be great. I do not plan to
>> work on this because I do not expect that a SCSI zone append command would
>> be standardized by the time we need it. Although there are references to
>> T10 drafts in the UFS standard, since a few months JEDEC strongly prefers
>> to refer to finalized external standards in its own standards. Hence,
>> standardizing zoned storage for UFS would have to wait until T10 has
>> published a standard that supports a zone append command. INCITS published
>> ZBC-1 in 2016, two years after the first ZBC-1 draft was uploaded to the
>> T10 servers. INCITS approved ZBC-2 this month, six years after the first
>> ZBC-2 draft was uploaded to the T10 servers. Because of the long time it
>> takes to complete new versions of T10 standards we plan not to wait until
>> T10 has standardized a zone append operation.
> 
> Which is why we need to start the work now.  Note that I don't think
> your time frames matter too much - the first draft of zbc2 is where
> people opened up the process again.  The more relevant time frame is
> between getting the main new feature in and publusing, which is way
> shorter.

Hi Christoph,

If you help with the npo2 zone size patch series making progress towards 
being integrated in the upstream kernel I will help with the 
standardization of a write append command in the T10 ZBC standard.

Thanks,

Bart.