summaryrefslogtreecommitdiffstats
path: root/fs/xfs/linux-2.6/xfs_message.c
blob: 508e06fd7d1e67451402424eb4251408c04e6010 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
/*
 * Copyright (c) 2011 Red Hat, Inc.  All Rights Reserved.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it would be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write the Free Software Foundation,
 * Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */

#include "xfs.h"
#include "xfs_fs.h"
#include "xfs_types.h"
#include "xfs_log.h"
#include "xfs_inum.h"
#include "xfs_trans.h"
#include "xfs_sb.h"
#include "xfs_ag.h"
#include "xfs_mount.h"

/*
 * XFS logging functions
 */
static int
__xfs_printk(
	const char		*level,
	const struct xfs_mount	*mp,
	struct va_format	*vaf)
{
	if (mp && mp->m_fsname)
		return printk("%sXFS (%s): %pV\n", level, mp->m_fsname, vaf);
	return printk("%sXFS: %pV\n", level, vaf);
}

int xfs_printk(
	const char		*level,
	const struct xfs_mount	*mp,
	const char		*fmt, ...)
{
	struct va_format	vaf;
	va_list			args;
	int			 r;

	va_start(args, fmt);

	vaf.fmt = fmt;
	vaf.va = &args;

	r = __xfs_printk(level, mp, &vaf);
	va_end(args);

	return r;
}

#define define_xfs_printk_level(func, kern_level)		\
int func(const struct xfs_mount *mp, const char *fmt, ...)	\
{								\
	struct va_format	vaf;				\
	va_list			args;				\
	int			r;				\
								\
	va_start(args, fmt);					\
								\
	vaf.fmt = fmt;						\
	vaf.va = &args;						\
								\
	r = __xfs_printk(kern_level, mp, &vaf);			\
	va_end(args);						\
								\
	return r;						\
}								\

define_xfs_printk_level(xfs_emerg, KERN_EMERG);
define_xfs_printk_level(xfs_alert, KERN_ALERT);
define_xfs_printk_level(xfs_crit, KERN_CRIT);
define_xfs_printk_level(xfs_err, KERN_ERR);
define_xfs_printk_level(xfs_warn, KERN_WARNING);
define_xfs_printk_level(xfs_notice, KERN_NOTICE);
define_xfs_printk_level(xfs_info, KERN_INFO);
#ifdef DEBUG
define_xfs_printk_level(xfs_debug, KERN_DEBUG);
#endif

int
xfs_alert_tag(
	const struct xfs_mount	*mp,
	int			panic_tag,
	const char		*fmt, ...)
{
	struct va_format	vaf;
	va_list			args;
	int			do_panic = 0;
	int			r;

	if (xfs_panic_mask && (xfs_panic_mask & panic_tag)) {
		xfs_printk(KERN_ALERT, mp,
			"XFS: Transforming an alert into a BUG.");
		do_panic = 1;
	}

	va_start(args, fmt);

	vaf.fmt = fmt;
	vaf.va = &args;

	r = __xfs_printk(KERN_ALERT, mp, &vaf);
	va_end(args);

	BUG_ON(do_panic);

	return r;
}

void
assfail(char *expr, char *file, int line)
{
	xfs_emerg(NULL, "Assertion failed: %s, file: %s, line: %d",
		expr, file, line);
	BUG();
}

void
xfs_hex_dump(void *p, int length)
{
	print_hex_dump(KERN_ALERT, "", DUMP_PREFIX_ADDRESS, 16, 1, p, length, 1);
}
OpenPOWER on IntegriCloud