'\" t
.\"     Title: ata_sg_init
.\"    Author: 
.\" Generator: DocBook XSL Stylesheets v1.78.1 <http://docbook.sf.net/>
.\"      Date: January 2017
.\"    Manual: libata Library
.\"    Source: Kernel Hackers Manual 4.8.15
.\"  Language: English
.\"
.TH "ATA_SG_INIT" "9" "January 2017" "Kernel Hackers Manual 4\&.8\&." "libata Library"
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.SH "NAME"
ata_sg_init \- Associate command with scatter\-gather table\&.
.SH "SYNOPSIS"
.HP \w'void\ ata_sg_init('u
.BI "void ata_sg_init(struct\ ata_queued_cmd\ *\ " "qc" ", struct\ scatterlist\ *\ " "sg" ", unsigned\ int\ " "n_elem" ");"
.SH "ARGUMENTS"
.PP
\fIqc\fR
.RS 4
Command to be associated
.RE
.PP
\fIsg\fR
.RS 4
Scatter\-gather table\&.
.RE
.PP
\fIn_elem\fR
.RS 4
Number of elements in s/g table\&.
.RE
.SH "DESCRIPTION"
.PP
Initialize the data\-related elements of queued_cmd
\fIqc\fR
to point to a scatter\-gather table
\fIsg\fR, containing
\fIn_elem\fR
elements\&.
.PP
LOCKING: spin_lock_irqsave(host lock)
.SH "AUTHOR"
.PP
\fBJeff Garzik\fR
.RS 4
Author.
.RE
.SH "COPYRIGHT"
.br