Re: [PATCH v2 07/19] btrfs: update num_extent_pages() to support subpage sized extent buffer

Qu Wenruo
2020-09-15T10:08:14Z

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On 2020/9/15 下午4:42, Johannes Thumshirn wrote:
> On 15/09/2020 07:36, Qu Wenruo wrote:
>> + * For sectorsize < PAGE_SIZE case, we only want to support 64K
>> + * PAGE_SIZE, and ensured all tree blocks won't cross page boundary.
>> + * So in that case we always got 1 page.
>
> Just to clarify, does this mean we won't support 512B sector size with 4K pages?
>
At least I don't plan to support sector size smaller than 4K.

Thanks,
Qu

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