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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" | |
20 | #include "xfs_types.h" | |
21 | #include "xfs_log.h" | |
22 | #include "xfs_inum.h" | |
23 | #include "xfs_trans.h" | |
24 | #include "xfs_sb.h" | |
25 | #include "xfs_ag.h" | |
26 | #include "xfs_mount.h" | |
27 | ||
28 | /* | |
29 | * XFS logging functions | |
30 | */ | |
31 | static int | |
32 | __xfs_printk( | |
33 | const char *level, | |
34 | const struct xfs_mount *mp, | |
35 | struct va_format *vaf) | |
36 | { | |
37 | if (mp && mp->m_fsname) | |
38 | return printk("%sXFS (%s): %pV\n", level, mp->m_fsname, vaf); | |
39 | return printk("%sXFS: %pV\n", level, vaf); | |
40 | } | |
41 | ||
42 | int xfs_printk( | |
43 | const char *level, | |
44 | const struct xfs_mount *mp, | |
45 | const char *fmt, ...) | |
46 | { | |
47 | struct va_format vaf; | |
48 | va_list args; | |
49 | int r; | |
50 | ||
51 | va_start(args, fmt); | |
52 | ||
53 | vaf.fmt = fmt; | |
54 | vaf.va = &args; | |
55 | ||
56 | r = __xfs_printk(level, mp, &vaf); | |
57 | va_end(args); | |
58 | ||
59 | return r; | |
60 | } | |
61 | ||
62 | #define define_xfs_printk_level(func, kern_level) \ | |
63 | int func(const struct xfs_mount *mp, const char *fmt, ...) \ | |
64 | { \ | |
65 | struct va_format vaf; \ | |
66 | va_list args; \ | |
67 | int r; \ | |
68 | \ | |
69 | va_start(args, fmt); \ | |
70 | \ | |
71 | vaf.fmt = fmt; \ | |
72 | vaf.va = &args; \ | |
73 | \ | |
74 | r = __xfs_printk(kern_level, mp, &vaf); \ | |
75 | va_end(args); \ | |
76 | \ | |
77 | return r; \ | |
78 | } \ | |
79 | ||
80 | define_xfs_printk_level(xfs_emerg, KERN_EMERG); | |
81 | define_xfs_printk_level(xfs_alert, KERN_ALERT); | |
82 | define_xfs_printk_level(xfs_crit, KERN_CRIT); | |
83 | define_xfs_printk_level(xfs_err, KERN_ERR); | |
84 | define_xfs_printk_level(xfs_warn, KERN_WARNING); | |
85 | define_xfs_printk_level(xfs_notice, KERN_NOTICE); | |
86 | define_xfs_printk_level(xfs_info, KERN_INFO); | |
87 | #ifdef DEBUG | |
88 | define_xfs_printk_level(xfs_debug, KERN_DEBUG); | |
89 | #endif | |
90 | ||
91 | int | |
92 | xfs_alert_tag( | |
93 | const struct xfs_mount *mp, | |
94 | int panic_tag, | |
95 | const char *fmt, ...) | |
96 | { | |
97 | struct va_format vaf; | |
98 | va_list args; | |
99 | int panic = 0; | |
100 | int r; | |
101 | ||
102 | if (xfs_panic_mask && (xfs_panic_mask & panic_tag)) { | |
103 | xfs_printk(KERN_ALERT, mp, | |
104 | "XFS: Transforming an alert into a BUG."); | |
105 | panic = 1; | |
106 | } | |
107 | ||
108 | va_start(args, fmt); | |
109 | ||
110 | vaf.fmt = fmt; | |
111 | vaf.va = &args; | |
112 | ||
113 | r = __xfs_printk(KERN_ALERT, mp, &vaf); | |
114 | va_end(args); | |
115 | ||
116 | BUG_ON(panic); | |
117 | ||
118 | return r; | |
119 | } | |
9130090b DC |
120 | |
121 | void | |
122 | assfail(char *expr, char *file, int line) | |
123 | { | |
124 | xfs_emerg(NULL, "Assertion failed: %s, file: %s, line: %d", | |
125 | expr, file, line); | |
126 | BUG(); | |
127 | } | |
128 | ||
129 | void | |
130 | xfs_hex_dump(void *p, int length) | |
131 | { | |
132 | print_hex_dump(KERN_ALERT, "", DUMP_PREFIX_ADDRESS, 16, 1, p, length, 1); | |
133 | } |