'\" t
.\"     Title: submit_bio
.\"    Author: [FIXME: author] [see http://docbook.sf.net/el/author]
.\" Generator: DocBook XSL Stylesheets v1.78.1 <http://docbook.sf.net/>
.\"      Date: May 2018
.\"    Manual: Block Devices
.\"    Source: Kernel Hackers Manual 3.16.56
.\"  Language: English
.\"
.TH "SUBMIT_BIO" "9" "May 2018" "Kernel Hackers Manual 3\&.16\&" "Block Devices"
.\" -----------------------------------------------------------------
.\" * Define some portability stuff
.\" -----------------------------------------------------------------
.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
.\" http://bugs.debian.org/507673
.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html
.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
.ie \n(.g .ds Aq \(aq
.el       .ds Aq '
.\" -----------------------------------------------------------------
.\" * set default formatting
.\" -----------------------------------------------------------------
.\" disable hyphenation
.nh
.\" disable justification (adjust text to left margin only)
.ad l
.\" -----------------------------------------------------------------
.\" * MAIN CONTENT STARTS HERE *
.\" -----------------------------------------------------------------
.SH "NAME"
submit_bio \- submit a bio to the block device layer for I/O
.SH "SYNOPSIS"
.HP \w'void\ submit_bio('u
.BI "void submit_bio(int\ " "rw" ", struct\ bio\ *\ " "bio" ");"
.SH "ARGUMENTS"
.PP
\fIrw\fR
.RS 4
whether to
\fBREAD\fR
or
\fBWRITE\fR, or maybe to
\fBREADA\fR
(read ahead)
.RE
.PP
\fIbio\fR
.RS 4
The
struct bio
which describes the I/O
.RE
.SH "DESCRIPTION"
.PP
\fBsubmit_bio\fR
is very similar in purpose to
\fBgeneric_make_request\fR, and uses that function to do most of the work\&. Both are fairly rough interfaces;
\fIbio\fR
must be presetup and ready for I/O\&.
.SH "COPYRIGHT"
.br