1/*-
2 * Copyright (c) 1999-2002 Poul-Henning Kamp
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

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18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD: head/sys/kern/kern_conf.c 111760 2003-03-02 19:46:45Z phk $
27 */
28
29#include <sys/param.h>
30#include <sys/kernel.h>
31#include <sys/systm.h>
32#include <sys/bio.h>
33#include <sys/lock.h>
34#include <sys/mutex.h>

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90 biofinish(bp, NULL, ENXIO);
91}
92
93#define dead_dump (dumper_t *)enxio
94
95#define dead_kqfilter (d_kqfilter_t *)enxio
96
97static struct cdevsw dead_cdevsw = {
98 /* open */ dead_open,
99 /* close */ dead_close,
100 /* read */ dead_read,
101 /* write */ dead_write,
102 /* ioctl */ dead_ioctl,
103 /* poll */ dead_poll,
104 /* mmap */ dead_mmap,
105 /* strategy */ dead_strategy,
106 /* name */ "dead",
107 /* maj */ 255,
108 /* dump */ dead_dump,
109 /* psize */ nopsize,
110 /* flags */ 0,
111 /* kqfilter */ dead_kqfilter
112};
113
114
115struct cdevsw *
116devsw(dev_t dev)
117{
118 if (dev->si_devsw)
119 return (dev->si_devsw);

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