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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

struct request_queue * q

the request queue for the device

unsigned int 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

June 2017 Kernel Hackers Manual 4.11