On Thu, 2018-12-06 at 07:52 -0800, Christoph Hellwig wrote: +AD4 This allows the host driver to indicate the maximum supported +AD4 segment size in a nice an easy way, so that the driver doesn't +AD4 have to worry about DMA-layer imposed limitations. Reviewed-by: Bart Van Assche +ADw-bvanassche+AEA-acm.org+AD4