blk_queue_dma_pad

Langue: en

Autres versions - même langue

Version: June 2009 (debian - 07/07/09)

Section: 9 (Appels noyau Linux)

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 pad mask. Direct IO requests are padded to the mask specified.

Appending pad buffer to a request modifies ->data_len such that it includes the pad buffer. The original requested data length can be obtained using blk_rq_raw_data_len.