2 * blktrace output analysis: generate a timeline & gather statistics
4 * Copyright (C) 2006 Alan D. Brunelle <Alan.Brunelle@hp.com>
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.
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.
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
23 static void handle_remap(struct io *a_iop)
25 struct blk_io_trace_remap *rp = a_iop->pdu;
28 q_iop = dip_find_sec(a_iop->dip, IOP_Q, be64_to_cpu(rp->sector));
30 update_q2a(q_iop, tdelta(q_iop->t.time, a_iop->t.time));
33 void trace_remap(struct io *a_iop)
35 struct blk_io_trace_remap *rp = a_iop->pdu;
37 a_iop->t.device = be32_to_cpu(rp->device_from);
38 if (io_setup(a_iop, IOP_A))