Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
[linux/fpc-iii.git] / fs / xfs / xfs_message.c
blob576c375ce12a8f411a49f75cf6bd72f69c96279c
1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * Copyright (c) 2011 Red Hat, Inc. All Rights Reserved.
4 */
6 #include "xfs.h"
7 #include "xfs_fs.h"
8 #include "xfs_error.h"
9 #include "xfs_format.h"
10 #include "xfs_log_format.h"
11 #include "xfs_trans_resv.h"
12 #include "xfs_mount.h"
15 * XFS logging functions
17 static void
18 __xfs_printk(
19 const char *level,
20 const struct xfs_mount *mp,
21 struct va_format *vaf)
23 if (mp && mp->m_fsname) {
24 printk("%sXFS (%s): %pV\n", level, mp->m_fsname, vaf);
25 return;
27 printk("%sXFS: %pV\n", level, vaf);
30 #define define_xfs_printk_level(func, kern_level) \
31 void func(const struct xfs_mount *mp, const char *fmt, ...) \
32 { \
33 struct va_format vaf; \
34 va_list args; \
35 int level; \
37 va_start(args, fmt); \
39 vaf.fmt = fmt; \
40 vaf.va = &args; \
42 __xfs_printk(kern_level, mp, &vaf); \
43 va_end(args); \
45 if (!kstrtoint(kern_level, 0, &level) && \
46 level <= LOGLEVEL_ERR && \
47 xfs_error_level >= XFS_ERRLEVEL_HIGH) \
48 xfs_stack_trace(); \
49 } \
51 define_xfs_printk_level(xfs_emerg, KERN_EMERG);
52 define_xfs_printk_level(xfs_alert, KERN_ALERT);
53 define_xfs_printk_level(xfs_crit, KERN_CRIT);
54 define_xfs_printk_level(xfs_err, KERN_ERR);
55 define_xfs_printk_level(xfs_warn, KERN_WARNING);
56 define_xfs_printk_level(xfs_notice, KERN_NOTICE);
57 define_xfs_printk_level(xfs_info, KERN_INFO);
58 #ifdef DEBUG
59 define_xfs_printk_level(xfs_debug, KERN_DEBUG);
60 #endif
62 void
63 xfs_alert_tag(
64 const struct xfs_mount *mp,
65 int panic_tag,
66 const char *fmt, ...)
68 struct va_format vaf;
69 va_list args;
70 int do_panic = 0;
72 if (xfs_panic_mask && (xfs_panic_mask & panic_tag)) {
73 xfs_alert(mp, "Transforming an alert into a BUG.");
74 do_panic = 1;
77 va_start(args, fmt);
79 vaf.fmt = fmt;
80 vaf.va = &args;
82 __xfs_printk(KERN_ALERT, mp, &vaf);
83 va_end(args);
85 BUG_ON(do_panic);
88 void
89 asswarn(char *expr, char *file, int line)
91 xfs_warn(NULL, "Assertion failed: %s, file: %s, line: %d",
92 expr, file, line);
93 WARN_ON(1);
96 void
97 assfail(char *expr, char *file, int line)
99 xfs_emerg(NULL, "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);
107 void
108 xfs_hex_dump(void *p, int length)
110 print_hex_dump(KERN_ALERT, "", DUMP_PREFIX_ADDRESS, 16, 1, p, length, 1);