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      1 /*
      2  * blktrace output analysis: generate a timeline & gather statistics
      3  *
      4  * Copyright (C) 2006 Alan D. Brunelle <Alan.Brunelle (at) hp.com>
      5  *
      6  *  This program is free software; you can redistribute it and/or modify
      7  *  it under the terms of the GNU General Public License as published by
      8  *  the Free Software Foundation; either version 2 of the License, or
      9  *  (at your option) any later version.
     10  *
     11  *  This program is distributed in the hope that it will be useful,
     12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
     13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     14  *  GNU General Public License for more details.
     15  *
     16  *  You should have received a copy of the GNU General Public License
     17  *  along with this program; if not, write to the Free Software
     18  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
     19  *
     20  */
     21 #include "globals.h"
     22 
     23 static void handle_requeue(struct io *r_iop)
     24 {
     25 	r_iop->dip->n_qs++;
     26 	r_iop->dip->t_act_q += r_iop->dip->n_act_q;
     27 	r_iop->dip->n_act_q++;
     28 }
     29 
     30 void trace_requeue(struct io *r_iop)
     31 {
     32 	if (io_setup(r_iop, IOP_R))
     33 		handle_requeue(r_iop);
     34 	io_release(r_iop);
     35 }
     36