'\" t
.\"     Title: blk_queue_dma_alignment
.\"    Author: [FIXME: author] [see http://docbook.sf.net/el/author]
.\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/>
.\"      Date: July 2017
.\"    Manual: Block Devices
.\"    Source: Kernel Hackers Manual 4.11.6
.\"  Language: English
.\"
.TH "BLK_QUEUE_DMA_ALIGNM" "9" "July 2017" "Kernel Hackers Manual 4\&.11\&" "Block Devices"
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.SH "NAME"
blk_queue_dma_alignment \- set dma length and memory alignment
.SH "SYNOPSIS"
.HP \w'void\ blk_queue_dma_alignment('u
.BI "void blk_queue_dma_alignment(struct\ request_queue\ *\ " "q" ", int\ " "mask" ");"
.SH "ARGUMENTS"
.PP
\fIstruct request_queue * q\fR
.RS 4
the request queue for the device
.RE
.PP
\fIint mask\fR
.RS 4
alignment mask
.RE
.SH "DESCRIPTION"
.PP
set required memory and length alignment for direct dma transactions\&. this is used when building direct io requests for the queue\&.
.SH "COPYRIGHT"
.br