Re: [PATCH 0/3] mmc: Improve block layer requeueing behavior

From: Bart Van Assche
Date: Mon Nov 21 2022 - 14:15:15 EST


On 11/21/22 00:25, Adrian Hunter wrote:
On 18/11/22 19:27, Bart Van Assche wrote:
On 11/18/22 02:47, Adrian Hunter wrote:
Does anyone know why the block layer does not support
(max_hw_sectors << 9) < PAGE_SIZE ?

Does this mean that the following patch series would not only be
useful for UFS but also for MMC? "[PATCH 00/10] Support DMA segments
smaller than the page size"
(https://lore.kernel.org/linux-block/20221019222324.362705-1-bvanassche@xxxxxxx/).

That patchset still does not allow max_hw_sectors = 1 which is
what Christian's case needs.

Hi Adrian,

Why would that patch series not support max_hw_sectors = 1? What am I overlooking?

Thanks,

Bart.