blob: 9163dc14053244c7ff6a70f60e91271995bbe87c [file] [log] [blame]
Dave Chinner10e38392011-03-02 14:20:59 +11001/*
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"
Dave Chinner10e38392011-03-02 14:20:59 +110022#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 */
Christoph Hellwig957935d2011-04-02 18:13:40 +000030static void
Dave Chinner10e38392011-03-02 14:20:59 +110031__xfs_printk(
32 const char *level,
33 const struct xfs_mount *mp,
34 struct va_format *vaf)
35{
Dave Chinner3eff1262011-04-12 13:34:20 +000036 if (mp && mp->m_fsname) {
Christoph Hellwig957935d2011-04-02 18:13:40 +000037 printk("%sXFS (%s): %pV\n", level, mp->m_fsname, vaf);
Dave Chinner3eff1262011-04-12 13:34:20 +000038 return;
39 }
Christoph Hellwig957935d2011-04-02 18:13:40 +000040 printk("%sXFS: %pV\n", level, vaf);
Dave Chinner10e38392011-03-02 14:20:59 +110041}
42
Dave Chinner10e38392011-03-02 14:20:59 +110043#define define_xfs_printk_level(func, kern_level) \
Christoph Hellwig957935d2011-04-02 18:13:40 +000044void func(const struct xfs_mount *mp, const char *fmt, ...) \
Dave Chinner10e38392011-03-02 14:20:59 +110045{ \
46 struct va_format vaf; \
47 va_list args; \
Dave Chinner10e38392011-03-02 14:20:59 +110048 \
49 va_start(args, fmt); \
50 \
51 vaf.fmt = fmt; \
52 vaf.va = &args; \
53 \
Christoph Hellwig957935d2011-04-02 18:13:40 +000054 __xfs_printk(kern_level, mp, &vaf); \
Dave Chinner10e38392011-03-02 14:20:59 +110055 va_end(args); \
Dave Chinner10e38392011-03-02 14:20:59 +110056} \
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
Christoph Hellwig957935d2011-04-02 18:13:40 +000069void
Dave Chinner10e38392011-03-02 14:20:59 +110070xfs_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;
Alex Elder0c9ba972011-03-11 12:39:51 +000077 int do_panic = 0;
Dave Chinner10e38392011-03-02 14:20:59 +110078
79 if (xfs_panic_mask && (xfs_panic_mask & panic_tag)) {
Joe Perchese69522a2011-05-03 20:14:44 +000080 xfs_alert(mp, "Transforming an alert into a BUG.");
Alex Elder0c9ba972011-03-11 12:39:51 +000081 do_panic = 1;
Dave Chinner10e38392011-03-02 14:20:59 +110082 }
83
84 va_start(args, fmt);
85
86 vaf.fmt = fmt;
87 vaf.va = &args;
88
Christoph Hellwig957935d2011-04-02 18:13:40 +000089 __xfs_printk(KERN_ALERT, mp, &vaf);
Dave Chinner10e38392011-03-02 14:20:59 +110090 va_end(args);
91
Alex Elder0c9ba972011-03-11 12:39:51 +000092 BUG_ON(do_panic);
Dave Chinner10e38392011-03-02 14:20:59 +110093}
Dave Chinner91300902011-03-07 10:09:35 +110094
95void
Dave Chinner742ae1e2013-04-30 21:39:34 +100096asswarn(char *expr, char *file, int line)
97{
98 xfs_warn(NULL, "Assertion failed: %s, file: %s, line: %d",
99 expr, file, line);
100 WARN_ON(1);
101}
102
103void
Dave Chinner91300902011-03-07 10:09:35 +1100104assfail(char *expr, char *file, int line)
105{
106 xfs_emerg(NULL, "Assertion failed: %s, file: %s, line: %d",
107 expr, file, line);
108 BUG();
109}
110
111void
112xfs_hex_dump(void *p, int length)
113{
114 print_hex_dump(KERN_ALERT, "", DUMP_PREFIX_ADDRESS, 16, 1, p, length, 1);
115}