Re: [PATCH v15 00/13] support zoned block devices with non-power-of-2 zone sizes

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On 9/30/22 08:13, Jens Axboe wrote:
On 9/29/22 12:31 AM, Pankaj Raghav wrote:
Hi Jens,
   Please consider this patch series for the 6.1 release.


Hi Jens, Christoph, and Keith,
  All the patches have a Reviewed-by tag at this point. Can we queue this up
for 6.1?

It's getting pretty late for 6.1 and I'd really like to have both Christoph
and Martin sign off on these changes.

Hi Jens,

Agreed that it's getting late for 6.1.

Since this has not been mentioned in the cover letter, I want to add that in the near future we will need these patches for Android devices. JEDEC is working on supporting zoned storage for UFS devices, the storage devices used in all modern Android phones. Although it would be possible to make the offset between zone starts a power of two by inserting gap zones between data zones, UFS vendors asked not to do this and hence need support for zone sizes that are not a power of two. An advantage of not having to deal with gap zones is better filesystem performance since filesystem extents cannot span gap zones. Having to split filesystem extents because of gap zones reduces filesystem performance.

Thanks,

Bart.


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