'\" t
.\"     Title: scsi_kmap_atomic_sg
.\"    Author: 
.\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/>
.\"      Date: April 2019
.\"    Manual: SCSI mid layer
.\"    Source: Kernel Hackers Manual 4.9.168
.\"  Language: English
.\"
.TH "SCSI_KMAP_ATOMIC_SG" "9" "April 2019" "Kernel Hackers Manual 4\&.9\&." "SCSI mid layer"
.\" -----------------------------------------------------------------
.\" * 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"
scsi_kmap_atomic_sg \- find and atomically map an sg\-elemnt
.SH "SYNOPSIS"
.HP \w'void\ *\ scsi_kmap_atomic_sg('u
.BI "void * scsi_kmap_atomic_sg(struct\ scatterlist\ *\ " "sgl" ", int\ " "sg_count" ", size_t\ *\ " "offset" ", size_t\ *\ " "len" ");"
.SH "ARGUMENTS"
.PP
\fIsgl\fR
.RS 4
scatter\-gather list
.RE
.PP
\fIsg_count\fR
.RS 4
number of segments in sg
.RE
.PP
\fIoffset\fR
.RS 4
offset in bytes into sg, on return offset into the mapped area
.RE
.PP
\fIlen\fR
.RS 4
bytes to map, on return number of bytes mapped
.RE
.SH "DESCRIPTION"
.PP
Returns virtual address of the start of the mapped page
.SH "AUTHORS"
.PP
\fBJames Bottomley\fR <\&James.Bottomley@hansenpartnership.com\&>
.RS 4
Author.
.RE
.PP
\fBRob Landley\fR <\&rob@landley.net\&>
.RS 4
Author.
.RE
.SH "COPYRIGHT"
.br