On 21/11/22 21:14, Bart Van Assche wrote: > 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? blk_queue_max_hw_sectors() does not allow it.
