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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_types.h"
21#include "xfs_log.h"
22#include "xfs_trans.h"
23#include "xfs_sb.h"
24#include "xfs_ag.h"
25#include "xfs_mount.h"
26
27/*
28 * XFS logging functions
29 */
30static void
31__xfs_printk(
32 const char *level,
33 const struct xfs_mount *mp,
34 struct va_format *vaf)
35{
36 if (mp && mp->m_fsname) {
37 printk("%sXFS (%s): %pV\n", level, mp->m_fsname, vaf);
38 return;
39 }
40 printk("%sXFS: %pV\n", level, vaf);
41}
42
43#define define_xfs_printk_level(func, kern_level) \
44void func(const struct xfs_mount *mp, const char *fmt, ...) \
45{ \
46 struct va_format vaf; \
47 va_list args; \
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
58define_xfs_printk_level(xfs_emerg, KERN_EMERG);
59define_xfs_printk_level(xfs_alert, KERN_ALERT);
60define_xfs_printk_level(xfs_crit, KERN_CRIT);
61define_xfs_printk_level(xfs_err, KERN_ERR);
62define_xfs_printk_level(xfs_warn, KERN_WARNING);
63define_xfs_printk_level(xfs_notice, KERN_NOTICE);
64define_xfs_printk_level(xfs_info, KERN_INFO);
65#ifdef DEBUG
66define_xfs_printk_level(xfs_debug, KERN_DEBUG);
67#endif
68
69void
70xfs_alert_tag(
71 const struct xfs_mount *mp,
72 int panic_tag,
73 const char *fmt, ...)
74{
75 struct va_format vaf;
76 va_list args;
77 int do_panic = 0;
78
79 if (xfs_panic_mask && (xfs_panic_mask & panic_tag)) {
80 xfs_alert(mp, "Transforming an alert into a BUG.");
81 do_panic = 1;
82 }
83
84 va_start(args, fmt);
85
86 vaf.fmt = fmt;
87 vaf.va = &args;
88
89 __xfs_printk(KERN_ALERT, mp, &vaf);
90 va_end(args);
91
92 BUG_ON(do_panic);
93}
94
95void
96assfail(char *expr, char *file, int line)
97{
98 xfs_emerg(NULL, "Assertion failed: %s, file: %s, line: %d",
99 expr, file, line);
100 BUG();
101}
102
103void
104xfs_hex_dump(void *p, int length)
105{
106 print_hex_dump(KERN_ALERT, "", DUMP_PREFIX_ADDRESS, 16, 1, p, length, 1);
107}
1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Copyright (c) 2011 Red Hat, Inc. All Rights Reserved.
4 */
5
6#include "xfs.h"
7#include "xfs_fs.h"
8#include "xfs_error.h"
9#include "xfs_shared.h"
10#include "xfs_format.h"
11#include "xfs_trans_resv.h"
12#include "xfs_mount.h"
13
14/*
15 * XFS logging functions
16 */
17static void
18__xfs_printk(
19 const char *level,
20 const struct xfs_mount *mp,
21 struct va_format *vaf)
22{
23 if (mp && mp->m_super) {
24 printk("%sXFS (%s): %pV\n", level, mp->m_super->s_id, vaf);
25 return;
26 }
27 printk("%sXFS: %pV\n", level, vaf);
28}
29
30void
31xfs_printk_level(
32 const char *kern_level,
33 const struct xfs_mount *mp,
34 const char *fmt, ...)
35{
36 struct va_format vaf;
37 va_list args;
38 int level;
39
40 va_start(args, fmt);
41 vaf.fmt = fmt;
42 vaf.va = &args;
43
44 __xfs_printk(kern_level, mp, &vaf);
45
46 va_end(args);
47
48 if (!kstrtoint(kern_level, 0, &level) &&
49 level <= LOGLEVEL_ERR &&
50 xfs_error_level >= XFS_ERRLEVEL_HIGH)
51 xfs_stack_trace();
52}
53
54void
55_xfs_alert_tag(
56 const struct xfs_mount *mp,
57 uint32_t panic_tag,
58 const char *fmt, ...)
59{
60 struct va_format vaf;
61 va_list args;
62 int do_panic = 0;
63
64 if (xfs_panic_mask && (xfs_panic_mask & panic_tag)) {
65 xfs_alert(mp, "Transforming an alert into a BUG.");
66 do_panic = 1;
67 }
68
69 va_start(args, fmt);
70
71 vaf.fmt = fmt;
72 vaf.va = &args;
73
74 __xfs_printk(KERN_ALERT, mp, &vaf);
75 va_end(args);
76
77 BUG_ON(do_panic);
78}
79
80void
81asswarn(
82 struct xfs_mount *mp,
83 char *expr,
84 char *file,
85 int line)
86{
87 xfs_warn(mp, "Assertion failed: %s, file: %s, line: %d",
88 expr, file, line);
89 WARN_ON(1);
90}
91
92void
93assfail(
94 struct xfs_mount *mp,
95 char *expr,
96 char *file,
97 int line)
98{
99 xfs_emerg(mp, "Assertion failed: %s, file: %s, line: %d",
100 expr, file, line);
101 if (xfs_globals.bug_on_assert)
102 BUG();
103 else
104 WARN_ON(1);
105}
106
107void
108xfs_hex_dump(const void *p, int length)
109{
110 print_hex_dump(KERN_ALERT, "", DUMP_PREFIX_OFFSET, 16, 1, p, length, 1);
111}
112
113void
114xfs_buf_alert_ratelimited(
115 struct xfs_buf *bp,
116 const char *rlmsg,
117 const char *fmt,
118 ...)
119{
120 struct xfs_mount *mp = bp->b_mount;
121 struct va_format vaf;
122 va_list args;
123
124 /* use the more aggressive per-target rate limit for buffers */
125 if (!___ratelimit(&bp->b_target->bt_ioerror_rl, rlmsg))
126 return;
127
128 va_start(args, fmt);
129 vaf.fmt = fmt;
130 vaf.va = &args;
131 __xfs_printk(KERN_ALERT, mp, &vaf);
132 va_end(args);
133}