1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * Copyright (c) 2011 Red Hat, Inc. All Rights Reserved.
4*4882a593Smuzhiyun */
5*4882a593Smuzhiyun
6*4882a593Smuzhiyun #include "xfs.h"
7*4882a593Smuzhiyun #include "xfs_fs.h"
8*4882a593Smuzhiyun #include "xfs_error.h"
9*4882a593Smuzhiyun #include "xfs_shared.h"
10*4882a593Smuzhiyun #include "xfs_format.h"
11*4882a593Smuzhiyun #include "xfs_trans_resv.h"
12*4882a593Smuzhiyun #include "xfs_mount.h"
13*4882a593Smuzhiyun
14*4882a593Smuzhiyun /*
15*4882a593Smuzhiyun * XFS logging functions
16*4882a593Smuzhiyun */
17*4882a593Smuzhiyun static void
__xfs_printk(const char * level,const struct xfs_mount * mp,struct va_format * vaf)18*4882a593Smuzhiyun __xfs_printk(
19*4882a593Smuzhiyun const char *level,
20*4882a593Smuzhiyun const struct xfs_mount *mp,
21*4882a593Smuzhiyun struct va_format *vaf)
22*4882a593Smuzhiyun {
23*4882a593Smuzhiyun if (mp && mp->m_super) {
24*4882a593Smuzhiyun printk("%sXFS (%s): %pV\n", level, mp->m_super->s_id, vaf);
25*4882a593Smuzhiyun return;
26*4882a593Smuzhiyun }
27*4882a593Smuzhiyun printk("%sXFS: %pV\n", level, vaf);
28*4882a593Smuzhiyun }
29*4882a593Smuzhiyun
30*4882a593Smuzhiyun #define define_xfs_printk_level(func, kern_level) \
31*4882a593Smuzhiyun void func(const struct xfs_mount *mp, const char *fmt, ...) \
32*4882a593Smuzhiyun { \
33*4882a593Smuzhiyun struct va_format vaf; \
34*4882a593Smuzhiyun va_list args; \
35*4882a593Smuzhiyun int level; \
36*4882a593Smuzhiyun \
37*4882a593Smuzhiyun va_start(args, fmt); \
38*4882a593Smuzhiyun \
39*4882a593Smuzhiyun vaf.fmt = fmt; \
40*4882a593Smuzhiyun vaf.va = &args; \
41*4882a593Smuzhiyun \
42*4882a593Smuzhiyun __xfs_printk(kern_level, mp, &vaf); \
43*4882a593Smuzhiyun va_end(args); \
44*4882a593Smuzhiyun \
45*4882a593Smuzhiyun if (!kstrtoint(kern_level, 0, &level) && \
46*4882a593Smuzhiyun level <= LOGLEVEL_ERR && \
47*4882a593Smuzhiyun xfs_error_level >= XFS_ERRLEVEL_HIGH) \
48*4882a593Smuzhiyun xfs_stack_trace(); \
49*4882a593Smuzhiyun } \
50*4882a593Smuzhiyun
51*4882a593Smuzhiyun define_xfs_printk_level(xfs_emerg, KERN_EMERG);
52*4882a593Smuzhiyun define_xfs_printk_level(xfs_alert, KERN_ALERT);
53*4882a593Smuzhiyun define_xfs_printk_level(xfs_crit, KERN_CRIT);
54*4882a593Smuzhiyun define_xfs_printk_level(xfs_err, KERN_ERR);
55*4882a593Smuzhiyun define_xfs_printk_level(xfs_warn, KERN_WARNING);
56*4882a593Smuzhiyun define_xfs_printk_level(xfs_notice, KERN_NOTICE);
57*4882a593Smuzhiyun define_xfs_printk_level(xfs_info, KERN_INFO);
58*4882a593Smuzhiyun #ifdef DEBUG
59*4882a593Smuzhiyun define_xfs_printk_level(xfs_debug, KERN_DEBUG);
60*4882a593Smuzhiyun #endif
61*4882a593Smuzhiyun
62*4882a593Smuzhiyun void
xfs_alert_tag(const struct xfs_mount * mp,int panic_tag,const char * fmt,...)63*4882a593Smuzhiyun xfs_alert_tag(
64*4882a593Smuzhiyun const struct xfs_mount *mp,
65*4882a593Smuzhiyun int panic_tag,
66*4882a593Smuzhiyun const char *fmt, ...)
67*4882a593Smuzhiyun {
68*4882a593Smuzhiyun struct va_format vaf;
69*4882a593Smuzhiyun va_list args;
70*4882a593Smuzhiyun int do_panic = 0;
71*4882a593Smuzhiyun
72*4882a593Smuzhiyun if (xfs_panic_mask && (xfs_panic_mask & panic_tag)) {
73*4882a593Smuzhiyun xfs_alert(mp, "Transforming an alert into a BUG.");
74*4882a593Smuzhiyun do_panic = 1;
75*4882a593Smuzhiyun }
76*4882a593Smuzhiyun
77*4882a593Smuzhiyun va_start(args, fmt);
78*4882a593Smuzhiyun
79*4882a593Smuzhiyun vaf.fmt = fmt;
80*4882a593Smuzhiyun vaf.va = &args;
81*4882a593Smuzhiyun
82*4882a593Smuzhiyun __xfs_printk(KERN_ALERT, mp, &vaf);
83*4882a593Smuzhiyun va_end(args);
84*4882a593Smuzhiyun
85*4882a593Smuzhiyun BUG_ON(do_panic);
86*4882a593Smuzhiyun }
87*4882a593Smuzhiyun
88*4882a593Smuzhiyun void
asswarn(struct xfs_mount * mp,char * expr,char * file,int line)89*4882a593Smuzhiyun asswarn(
90*4882a593Smuzhiyun struct xfs_mount *mp,
91*4882a593Smuzhiyun char *expr,
92*4882a593Smuzhiyun char *file,
93*4882a593Smuzhiyun int line)
94*4882a593Smuzhiyun {
95*4882a593Smuzhiyun xfs_warn(mp, "Assertion failed: %s, file: %s, line: %d",
96*4882a593Smuzhiyun expr, file, line);
97*4882a593Smuzhiyun WARN_ON(1);
98*4882a593Smuzhiyun }
99*4882a593Smuzhiyun
100*4882a593Smuzhiyun void
assfail(struct xfs_mount * mp,char * expr,char * file,int line)101*4882a593Smuzhiyun assfail(
102*4882a593Smuzhiyun struct xfs_mount *mp,
103*4882a593Smuzhiyun char *expr,
104*4882a593Smuzhiyun char *file,
105*4882a593Smuzhiyun int line)
106*4882a593Smuzhiyun {
107*4882a593Smuzhiyun xfs_emerg(mp, "Assertion failed: %s, file: %s, line: %d",
108*4882a593Smuzhiyun expr, file, line);
109*4882a593Smuzhiyun if (xfs_globals.bug_on_assert)
110*4882a593Smuzhiyun BUG();
111*4882a593Smuzhiyun else
112*4882a593Smuzhiyun WARN_ON(1);
113*4882a593Smuzhiyun }
114*4882a593Smuzhiyun
115*4882a593Smuzhiyun void
xfs_hex_dump(const void * p,int length)116*4882a593Smuzhiyun xfs_hex_dump(const void *p, int length)
117*4882a593Smuzhiyun {
118*4882a593Smuzhiyun print_hex_dump(KERN_ALERT, "", DUMP_PREFIX_OFFSET, 16, 1, p, length, 1);
119*4882a593Smuzhiyun }
120*4882a593Smuzhiyun
121*4882a593Smuzhiyun void
xfs_buf_alert_ratelimited(struct xfs_buf * bp,const char * rlmsg,const char * fmt,...)122*4882a593Smuzhiyun xfs_buf_alert_ratelimited(
123*4882a593Smuzhiyun struct xfs_buf *bp,
124*4882a593Smuzhiyun const char *rlmsg,
125*4882a593Smuzhiyun const char *fmt,
126*4882a593Smuzhiyun ...)
127*4882a593Smuzhiyun {
128*4882a593Smuzhiyun struct xfs_mount *mp = bp->b_mount;
129*4882a593Smuzhiyun struct va_format vaf;
130*4882a593Smuzhiyun va_list args;
131*4882a593Smuzhiyun
132*4882a593Smuzhiyun /* use the more aggressive per-target rate limit for buffers */
133*4882a593Smuzhiyun if (!___ratelimit(&bp->b_target->bt_ioerror_rl, rlmsg))
134*4882a593Smuzhiyun return;
135*4882a593Smuzhiyun
136*4882a593Smuzhiyun va_start(args, fmt);
137*4882a593Smuzhiyun vaf.fmt = fmt;
138*4882a593Smuzhiyun vaf.va = &args;
139*4882a593Smuzhiyun __xfs_printk(KERN_ALERT, mp, &vaf);
140*4882a593Smuzhiyun va_end(args);
141*4882a593Smuzhiyun }
142