1 | // SPDX-License-Identifier: GPL-2.0 |
2 | /* |
3 | * Copyright (c) 2011 Red Hat, Inc. All Rights Reserved. |
4 | */ |
5 | |
6 | #include "xfs.h" |
7 | #include "xfs_fs.h" |
8 | #include "xfs_error.h" |
9 | #include "xfs_shared.h" |
10 | #include "xfs_format.h" |
11 | #include "xfs_trans_resv.h" |
12 | #include "xfs_mount.h" |
13 | |
14 | /* |
15 | * XFS logging functions |
16 | */ |
17 | static void |
18 | __xfs_printk( |
19 | const char *level, |
20 | const struct xfs_mount *mp, |
21 | struct va_format *vaf) |
22 | { |
23 | if (mp && mp->m_super) { |
24 | printk("%sXFS (%s): %pV\n" , level, mp->m_super->s_id, vaf); |
25 | return; |
26 | } |
27 | printk("%sXFS: %pV\n" , level, vaf); |
28 | } |
29 | |
30 | void |
31 | xfs_printk_level( |
32 | const char *kern_level, |
33 | const struct xfs_mount *mp, |
34 | const char *fmt, ...) |
35 | { |
36 | struct va_format vaf; |
37 | va_list args; |
38 | int level; |
39 | |
40 | va_start(args, fmt); |
41 | vaf.fmt = fmt; |
42 | vaf.va = &args; |
43 | |
44 | __xfs_printk(level: kern_level, mp, vaf: &vaf); |
45 | |
46 | va_end(args); |
47 | |
48 | if (!kstrtoint(s: kern_level, base: 0, res: &level) && |
49 | level <= LOGLEVEL_ERR && |
50 | xfs_error_level >= XFS_ERRLEVEL_HIGH) |
51 | xfs_stack_trace(); |
52 | } |
53 | |
54 | void |
55 | _xfs_alert_tag( |
56 | const struct xfs_mount *mp, |
57 | uint32_t panic_tag, |
58 | const char *fmt, ...) |
59 | { |
60 | struct va_format vaf; |
61 | va_list args; |
62 | int do_panic = 0; |
63 | |
64 | if (xfs_panic_mask && (xfs_panic_mask & panic_tag)) { |
65 | xfs_alert(mp, "Transforming an alert into a BUG." ); |
66 | do_panic = 1; |
67 | } |
68 | |
69 | va_start(args, fmt); |
70 | |
71 | vaf.fmt = fmt; |
72 | vaf.va = &args; |
73 | |
74 | __xfs_printk(KERN_ALERT, mp, vaf: &vaf); |
75 | va_end(args); |
76 | |
77 | BUG_ON(do_panic); |
78 | } |
79 | |
80 | void |
81 | asswarn( |
82 | struct xfs_mount *mp, |
83 | char *expr, |
84 | char *file, |
85 | int line) |
86 | { |
87 | xfs_warn(mp, "Assertion failed: %s, file: %s, line: %d" , |
88 | expr, file, line); |
89 | WARN_ON(1); |
90 | } |
91 | |
92 | void |
93 | assfail( |
94 | struct xfs_mount *mp, |
95 | char *expr, |
96 | char *file, |
97 | int line) |
98 | { |
99 | xfs_emerg(mp, "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); |
105 | } |
106 | |
107 | void |
108 | xfs_hex_dump(const void *p, int length) |
109 | { |
110 | print_hex_dump(KERN_ALERT, prefix_str: "" , prefix_type: DUMP_PREFIX_OFFSET, rowsize: 16, groupsize: 1, buf: p, len: length, ascii: 1); |
111 | } |
112 | |
113 | void |
114 | xfs_buf_alert_ratelimited( |
115 | struct xfs_buf *bp, |
116 | const char *rlmsg, |
117 | const char *fmt, |
118 | ...) |
119 | { |
120 | struct xfs_mount *mp = bp->b_mount; |
121 | struct va_format vaf; |
122 | va_list args; |
123 | |
124 | /* use the more aggressive per-target rate limit for buffers */ |
125 | if (!___ratelimit(rs: &bp->b_target->bt_ioerror_rl, func: rlmsg)) |
126 | return; |
127 | |
128 | va_start(args, fmt); |
129 | vaf.fmt = fmt; |
130 | vaf.va = &args; |
131 | __xfs_printk(KERN_ALERT, mp, vaf: &vaf); |
132 | va_end(args); |
133 | } |
134 | |