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1/*
2 * Copyright (c) 2011 Red Hat, Inc. All Rights Reserved.
3 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License as
6 * published by the Free Software Foundation.
7 *
8 * This program is distributed in the hope that it would be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
12 *
13 * You should have received a copy of the GNU General Public License
14 * along with this program; if not, write the Free Software Foundation,
15 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
16 */
17
18#include "xfs.h"
19#include "xfs_fs.h"
20#include "xfs_error.h"
21#include "xfs_format.h"
22#include "xfs_log_format.h"
23#include "xfs_trans_resv.h"
24#include "xfs_mount.h"
25
26/*
27 * XFS logging functions
28 */
29static void
30__xfs_printk(
31 const char *level,
32 const struct xfs_mount *mp,
33 struct va_format *vaf)
34{
35 if (mp && mp->m_fsname) {
36 printk("%sXFS (%s): %pV\n", level, mp->m_fsname, vaf);
37 return;
38 }
39 printk("%sXFS: %pV\n", level, vaf);
40}
41
42#define define_xfs_printk_level(func, kern_level) \
43void func(const struct xfs_mount *mp, const char *fmt, ...) \
44{ \
45 struct va_format vaf; \
46 va_list args; \
47 int level; \
48 \
49 va_start(args, fmt); \
50 \
51 vaf.fmt = fmt; \
52 vaf.va = &args; \
53 \
54 __xfs_printk(kern_level, mp, &vaf); \
55 va_end(args); \
56 \
57 if (!kstrtoint(kern_level, 0, &level) && \
58 level <= LOGLEVEL_ERR && \
59 xfs_error_level >= XFS_ERRLEVEL_HIGH) \
60 xfs_stack_trace(); \
61} \
62
63define_xfs_printk_level(xfs_emerg, KERN_EMERG);
64define_xfs_printk_level(xfs_alert, KERN_ALERT);
65define_xfs_printk_level(xfs_crit, KERN_CRIT);
66define_xfs_printk_level(xfs_err, KERN_ERR);
67define_xfs_printk_level(xfs_warn, KERN_WARNING);
68define_xfs_printk_level(xfs_notice, KERN_NOTICE);
69define_xfs_printk_level(xfs_info, KERN_INFO);
70#ifdef DEBUG
71define_xfs_printk_level(xfs_debug, KERN_DEBUG);
72#endif
73
74void
75xfs_alert_tag(
76 const struct xfs_mount *mp,
77 int panic_tag,
78 const char *fmt, ...)
79{
80 struct va_format vaf;
81 va_list args;
82 int do_panic = 0;
83
84 if (xfs_panic_mask && (xfs_panic_mask & panic_tag)) {
85 xfs_alert(mp, "Transforming an alert into a BUG.");
86 do_panic = 1;
87 }
88
89 va_start(args, fmt);
90
91 vaf.fmt = fmt;
92 vaf.va = &args;
93
94 __xfs_printk(KERN_ALERT, mp, &vaf);
95 va_end(args);
96
97 BUG_ON(do_panic);
98}
99
100void
101asswarn(char *expr, char *file, int line)
102{
103 xfs_warn(NULL, "Assertion failed: %s, file: %s, line: %d",
104 expr, file, line);
105 WARN_ON(1);
106}
107
108void
109assfail(char *expr, char *file, int line)
110{
111 xfs_emerg(NULL, "Assertion failed: %s, file: %s, line: %d",
112 expr, file, line);
113 if (xfs_globals.bug_on_assert)
114 BUG();
115 else
116 WARN_ON(1);
117}
118
119void
120xfs_hex_dump(void *p, int length)
121{
122 print_hex_dump(KERN_ALERT, "", DUMP_PREFIX_ADDRESS, 16, 1, p, length, 1);
123}
1/*
2 * Copyright (c) 2011 Red Hat, Inc. All Rights Reserved.
3 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License as
6 * published by the Free Software Foundation.
7 *
8 * This program is distributed in the hope that it would be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
12 *
13 * You should have received a copy of the GNU General Public License
14 * along with this program; if not, write the Free Software Foundation,
15 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
16 */
17
18#include "xfs.h"
19#include "xfs_fs.h"
20#include "xfs_error.h"
21#include "xfs_format.h"
22#include "xfs_log_format.h"
23#include "xfs_trans_resv.h"
24#include "xfs_mount.h"
25
26/*
27 * XFS logging functions
28 */
29static void
30__xfs_printk(
31 const char *level,
32 const struct xfs_mount *mp,
33 struct va_format *vaf)
34{
35 if (mp && mp->m_fsname) {
36 printk("%sXFS (%s): %pV\n", level, mp->m_fsname, vaf);
37 return;
38 }
39 printk("%sXFS: %pV\n", level, vaf);
40}
41
42#define define_xfs_printk_level(func, kern_level) \
43void func(const struct xfs_mount *mp, const char *fmt, ...) \
44{ \
45 struct va_format vaf; \
46 va_list args; \
47 int level; \
48 \
49 va_start(args, fmt); \
50 \
51 vaf.fmt = fmt; \
52 vaf.va = &args; \
53 \
54 __xfs_printk(kern_level, mp, &vaf); \
55 va_end(args); \
56 \
57 if (!kstrtoint(kern_level, 0, &level) && \
58 level <= LOGLEVEL_ERR && \
59 xfs_error_level >= XFS_ERRLEVEL_HIGH) \
60 xfs_stack_trace(); \
61} \
62
63define_xfs_printk_level(xfs_emerg, KERN_EMERG);
64define_xfs_printk_level(xfs_alert, KERN_ALERT);
65define_xfs_printk_level(xfs_crit, KERN_CRIT);
66define_xfs_printk_level(xfs_err, KERN_ERR);
67define_xfs_printk_level(xfs_warn, KERN_WARNING);
68define_xfs_printk_level(xfs_notice, KERN_NOTICE);
69define_xfs_printk_level(xfs_info, KERN_INFO);
70#ifdef DEBUG
71define_xfs_printk_level(xfs_debug, KERN_DEBUG);
72#endif
73
74void
75xfs_alert_tag(
76 const struct xfs_mount *mp,
77 int panic_tag,
78 const char *fmt, ...)
79{
80 struct va_format vaf;
81 va_list args;
82 int do_panic = 0;
83
84 if (xfs_panic_mask && (xfs_panic_mask & panic_tag)) {
85 xfs_alert(mp, "Transforming an alert into a BUG.");
86 do_panic = 1;
87 }
88
89 va_start(args, fmt);
90
91 vaf.fmt = fmt;
92 vaf.va = &args;
93
94 __xfs_printk(KERN_ALERT, mp, &vaf);
95 va_end(args);
96
97 BUG_ON(do_panic);
98}
99
100void
101asswarn(char *expr, char *file, int line)
102{
103 xfs_warn(NULL, "Assertion failed: %s, file: %s, line: %d",
104 expr, file, line);
105 WARN_ON(1);
106}
107
108void
109assfail(char *expr, char *file, int line)
110{
111 xfs_emerg(NULL, "Assertion failed: %s, file: %s, line: %d",
112 expr, file, line);
113 BUG();
114}
115
116void
117xfs_hex_dump(void *p, int length)
118{
119 print_hex_dump(KERN_ALERT, "", DUMP_PREFIX_ADDRESS, 16, 1, p, length, 1);
120}