BLK_QUEUE_DMA_ALIGNM(9)                   Block Devices                   BLK_QUEUE_DMA_ALIGNM(9)



NAME
       blk_queue_dma_alignment - set dma length and memory alignment

SYNOPSIS
       void blk_queue_dma_alignment(struct request_queue * q, int mask);

ARGUMENTS
       q
           the request queue for the device

       mask
           alignment mask

DESCRIPTION
       set required memory and length alignment for direct dma transactions. this is used when
       building direct io requests for the queue.

COPYRIGHT
Kernel Hackers Manual 4.8.                 January 2017                   BLK_QUEUE_DMA_ALIGNM(9)