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10e38391 DC |
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" | |
847f9f68 | 20 | #include "xfs_error.h" |
4fb6e8ad | 21 | #include "xfs_format.h" |
239880ef DC |
22 | #include "xfs_log_format.h" |
23 | #include "xfs_trans_resv.h" | |
10e38391 DC |
24 | #include "xfs_mount.h" |
25 | ||
26 | /* | |
27 | * XFS logging functions | |
28 | */ | |
957935dc | 29 | static void |
10e38391 DC |
30 | __xfs_printk( |
31 | const char *level, | |
32 | const struct xfs_mount *mp, | |
33 | struct va_format *vaf) | |
34 | { | |
3eff1268 | 35 | if (mp && mp->m_fsname) { |
957935dc | 36 | printk("%sXFS (%s): %pV\n", level, mp->m_fsname, vaf); |
3eff1268 DC |
37 | return; |
38 | } | |
957935dc | 39 | printk("%sXFS: %pV\n", level, vaf); |
10e38391 DC |
40 | } |
41 | ||
10e38391 | 42 | #define define_xfs_printk_level(func, kern_level) \ |
957935dc | 43 | void func(const struct xfs_mount *mp, const char *fmt, ...) \ |
10e38391 DC |
44 | { \ |
45 | struct va_format vaf; \ | |
46 | va_list args; \ | |
847f9f68 | 47 | int level; \ |
10e38391 DC |
48 | \ |
49 | va_start(args, fmt); \ | |
50 | \ | |
51 | vaf.fmt = fmt; \ | |
52 | vaf.va = &args; \ | |
53 | \ | |
957935dc | 54 | __xfs_printk(kern_level, mp, &vaf); \ |
10e38391 | 55 | va_end(args); \ |
847f9f68 ES |
56 | \ |
57 | if (!kstrtoint(kern_level, 0, &level) && \ | |
58 | level <= LOGLEVEL_ERR && \ | |
59 | xfs_error_level >= XFS_ERRLEVEL_HIGH) \ | |
60 | xfs_stack_trace(); \ | |
10e38391 DC |
61 | } \ |
62 | ||
63 | define_xfs_printk_level(xfs_emerg, KERN_EMERG); | |
64 | define_xfs_printk_level(xfs_alert, KERN_ALERT); | |
65 | define_xfs_printk_level(xfs_crit, KERN_CRIT); | |
66 | define_xfs_printk_level(xfs_err, KERN_ERR); | |
67 | define_xfs_printk_level(xfs_warn, KERN_WARNING); | |
68 | define_xfs_printk_level(xfs_notice, KERN_NOTICE); | |
69 | define_xfs_printk_level(xfs_info, KERN_INFO); | |
70 | #ifdef DEBUG | |
71 | define_xfs_printk_level(xfs_debug, KERN_DEBUG); | |
72 | #endif | |
73 | ||
957935dc | 74 | void |
10e38391 DC |
75 | xfs_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; | |
0c9ba973 | 82 | int do_panic = 0; |
10e38391 DC |
83 | |
84 | if (xfs_panic_mask && (xfs_panic_mask & panic_tag)) { | |
e69522a8 | 85 | xfs_alert(mp, "Transforming an alert into a BUG."); |
0c9ba973 | 86 | do_panic = 1; |
10e38391 DC |
87 | } |
88 | ||
89 | va_start(args, fmt); | |
90 | ||
91 | vaf.fmt = fmt; | |
92 | vaf.va = &args; | |
93 | ||
957935dc | 94 | __xfs_printk(KERN_ALERT, mp, &vaf); |
10e38391 DC |
95 | va_end(args); |
96 | ||
0c9ba973 | 97 | BUG_ON(do_panic); |
10e38391 | 98 | } |
9130090b | 99 | |
742ae1e3 DC |
100 | void |
101 | asswarn(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 | ||
9130090b DC |
108 | void |
109 | assfail(char *expr, char *file, int line) | |
110 | { | |
111 | xfs_emerg(NULL, "Assertion failed: %s, file: %s, line: %d", | |
112 | expr, file, line); | |
ccdab3d6 BF |
113 | if (xfs_globals.bug_on_assert) |
114 | BUG(); | |
115 | else | |
116 | WARN_ON(1); | |
9130090b DC |
117 | } |
118 | ||
119 | void | |
120 | xfs_hex_dump(void *p, int length) | |
121 | { | |
122 | print_hex_dump(KERN_ALERT, "", DUMP_PREFIX_ADDRESS, 16, 1, p, length, 1); | |
123 | } |