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.TH "BLK_QUEUE_PREP_RQ" "9" "17 July 2003" "" ""

.SH NAME
blk_queue_prep_rq \- set a prepare_request function for queue
.SH SYNOPSIS
.sp
\fB
.sp
void blk_queue_prep_rq  (request_queue_t * \fIq\fB, prep_rq_fn * \fIpfn\fB);
\fR
.SH "ARGUMENTS"
.TP
\fB\fIq\fB\fR
queue
.TP
\fB\fIpfn\fB\fR
prepare_request function
.SH "DESCRIPTION"
.PP
It's possible for a queue to register a prepare_request callback which
is invoked before the request is handed to the request_fn. The goal of
the function is to prepare a request for I/O, it can be used to build a
cdb from the request data for instance.
.SH "ABOUT THIS DOCUMENT"
.PP
This documentation is free software; you can redistribute
it and/or modify it under the terms of the GNU General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later
version.
.PP
This program is distributed in the hope that it will be
useful, but WITHOUT ANY WARRANTY; without even the implied
warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.
.PP
You should have received a copy of the GNU General Public
License along with this program; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
MA 02111-1307 USA
.PP
For more details see the file COPYING in the source
distribution of Linux.
.PP
If you have comments on the formatting of this manpage, then please contact
Michael Still (mikal@stillhq.com).
.PP
This documentation was generated with kernel version 2.5.73.