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095181f2 JA |
1 | /* |
2 | * blktrace output analysis: generate a timeline & gather statistics | |
3 | * | |
4 | * Copyright (C) 2006 Alan D. Brunelle <Alan.Brunelle@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 | void trace_requeue(struct io *r_iop) | |
24 | { | |
d76c5b81 AB |
25 | LIST_HEAD(rmhd); |
26 | struct io *d_iop; | |
27 | ||
28 | if ((io_setup(r_iop, IOP_R) == 0) || | |
29 | (d_iop = dip_find_sec(r_iop->dip, IOP_D, | |
30 | BIT_START(r_iop))) == NULL) { | |
095181f2 JA |
31 | io_release(r_iop); |
32 | return; | |
33 | } | |
d76c5b81 | 34 | dip_rem(d_iop); |
095181f2 | 35 | |
d76c5b81 AB |
36 | #if defined(DEBUG) |
37 | ASSERT(ready_issue(d_iop, r_iop) != 0); | |
38 | #else | |
39 | (void)ready_issue(d_iop, r_iop); | |
40 | #endif | |
095181f2 | 41 | |
d76c5b81 AB |
42 | run_unissue(d_iop, &rmhd); |
43 | list_add_tail(&r_iop->f_head, &rmhd); | |
44 | release_iops(&rmhd); | |
095181f2 | 45 | } |