BLK_QUEUE_UPDATE_DMA(9)                   Block Devices                   BLK_QUEUE_UPDATE_DMA(9)



NAME
       blk_queue_update_dma_pad - update pad mask

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

ARGUMENTS
       q
           the request queue for the device

       mask
           pad mask

DESCRIPTION
       Update dma pad mask.

       Appending pad buffer to a request modifies the last entry of a scatter list such that it
       includes the pad buffer.

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