Annotation of sys/xfs/xfs_common-bsd.c, Revision 1.1.1.1
1.1 nbrk 1: /*
2: * Copyright (c) 1995 - 2002 Kungliga Tekniska Högskolan
3: * (Royal Institute of Technology, Stockholm, Sweden).
4: * All rights reserved.
5: *
6: * Redistribution and use in source and binary forms, with or without
7: * modification, are permitted provided that the following conditions
8: * are met:
9: *
10: * 1. Redistributions of source code must retain the above copyright
11: * notice, this list of conditions and the following disclaimer.
12: *
13: * 2. Redistributions in binary form must reproduce the above copyright
14: * notice, this list of conditions and the following disclaimer in the
15: * documentation and/or other materials provided with the distribution.
16: *
17: * 3. Neither the name of the Institute nor the names of its contributors
18: * may be used to endorse or promote products derived from this software
19: * without specific prior written permission.
20: *
21: * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
22: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24: * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
25: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31: * SUCH DAMAGE.
32: */
33:
34: #include <xfs/xfs_locl.h>
35: #include <xfs/xfs_common.h>
36: #include <xfs/xfs_deb.h>
37:
38: RCSID("$arla: xfs_common-bsd.c,v 1.25 2002/12/18 16:32:03 lha Exp $");
39:
40: #ifdef MALLOC_DEFINE
41: MALLOC_DEFINE(M_NNPFS, "xfs-misc", "xfs misc");
42: MALLOC_DEFINE(M_NNPFS_NODE, "xfs-node", "xfs node");
43: MALLOC_DEFINE(M_NNPFS_LINK, "xfs-link", "xfs link");
44: MALLOC_DEFINE(M_NNPFS_MSG, "xfs-msg", "xfs msg");
45: #endif
46:
47: #ifdef NNPFS_DEBUG
48: static u_int xfs_allocs;
49: static u_int xfs_frees;
50:
51: void *
52: xfs_alloc(u_int size, xfs_malloc_type type)
53: {
54: void *ret;
55:
56: xfs_allocs++;
57: NNPFSDEB(XDEBMEM, ("xfs_alloc: xfs_allocs - xfs_frees %d\n",
58: xfs_allocs - xfs_frees));
59:
60: MALLOC(ret, void *, size, type, M_WAITOK);
61: return ret;
62: }
63:
64: void
65: xfs_free(void *ptr, u_int size, xfs_malloc_type type)
66: {
67: xfs_frees++;
68: FREE(ptr, type);
69: }
70:
71: #endif /* NNPFS_DEBUG */
72:
73: int
74: xfs_suser(d_thread_t *p)
75: {
76: #if defined(HAVE_TWO_ARGUMENT_SUSER)
77: #ifdef __OpenBSD__
78: return suser (p, SUSER_NOACCT);
79: #else
80: return suser (xfs_proc_to_cred(p), NULL);
81: #endif
82: #else
83: return suser (p);
84: #endif
85: }
86:
87: /*
88: * Print a `dev_t' in some readable format
89: */
90:
91: #ifdef HAVE_KERNEL_DEVTONAME
92:
93: const char *
94: xfs_devtoname_r (dev_t dev, char *buf, size_t sz)
95: {
96: return devtoname (dev);
97: }
98:
99: #else /* !HAVE_KERNEL_DEVTONAME */
100:
101: const char *
102: xfs_devtoname_r (dev_t dev, char *buf, size_t sz)
103: {
104: #ifdef HAVE_KERNEL_SNPRINTF
105: snprintf (buf, sz, "%u/%u", major(dev), minor(dev));
106: return buf;
107: #else
108: return "<unknown device>";
109: #endif
110: }
111:
112: #endif /* HAVE_KERNEL_DEVTONAME */
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