centos man page for blk_queue_dma_pad

BLK_QUEUE_DMA_PAD(9)						   Block Devices					      BLK_QUEUE_DMA_PAD(9)

NAME
       blk_queue_dma_pad - set pad mask

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

ARGUMENTS
       q
	   the request queue for the device

       mask
	   pad mask

DESCRIPTION
       Set 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 3.10					     June 2014						      BLK_QUEUE_DMA_PAD(9)