xref: /aosp_15_r20/external/blktrace/btt/trace_requeue.c (revision 1a3d31e37cc95e9919fd86900a2b6a555f55952c)

/*
 * blktrace output analysis: generate a timeline & gather statistics
 *
 * Copyright (C) 2006 Alan D. Brunelle <[email protected]>
 *
 *  This program 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.
 *
 *  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.
 *
 *  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
 *
 */
#include "globals.h"

static void handle_requeue(struct io *r_iop)
{
	r_iop->dip->n_qs++;
	r_iop->dip->t_act_q += r_iop->dip->n_act_q;
	r_iop->dip->n_act_q++;
}

void trace_requeue(struct io *r_iop)
{
	if (io_setup(r_iop, IOP_R))
		handle_requeue(r_iop);
	io_release(r_iop);
}