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192.168.1.100 / T108 / e958203796650e3959a43708d67534bf36f4c83b / . / marvell / linux / fs / xfs / xfs_error.h
blob: c6bb7d7a216181a6fe0183c1c627501c5e2145fc [file] [log] [blame]
b.liue9582032025-04-17 19:18:16 +0800[diff] [blame^]1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Copyright (c) 2000-2002,2005 Silicon Graphics, Inc.
4 * All Rights Reserved.
5 */
6#ifndef __XFS_ERROR_H__
7#define __XFS_ERROR_H__
8
9struct xfs_mount;
10
11extern void xfs_error_report(const char *tag, int level, struct xfs_mount *mp,
12 const char *filename, int linenum,
13 xfs_failaddr_t failaddr);
14extern void xfs_corruption_error(const char *tag, int level,
15 struct xfs_mount *mp, const void *buf, size_t bufsize,
16 const char *filename, int linenum,
17 xfs_failaddr_t failaddr);
18void xfs_buf_corruption_error(struct xfs_buf *bp, xfs_failaddr_t fa);
19extern void xfs_buf_verifier_error(struct xfs_buf *bp, int error,
20 const char *name, const void *buf, size_t bufsz,
21 xfs_failaddr_t failaddr);
22extern void xfs_verifier_error(struct xfs_buf *bp, int error,
23 xfs_failaddr_t failaddr);
24extern void xfs_inode_verifier_error(struct xfs_inode *ip, int error,
25 const char *name, const void *buf, size_t bufsz,
26 xfs_failaddr_t failaddr);
27
28#define XFS_ERROR_REPORT(e, lvl, mp) \
29 xfs_error_report(e, lvl, mp, __FILE__, __LINE__, __return_address)
30#define XFS_CORRUPTION_ERROR(e, lvl, mp, buf, bufsize) \
31 xfs_corruption_error(e, lvl, mp, buf, bufsize, \
32 __FILE__, __LINE__, __return_address)
33
34#define XFS_ERRLEVEL_OFF 0
35#define XFS_ERRLEVEL_LOW 1
36#define XFS_ERRLEVEL_HIGH 5
37
38/* Dump 128 bytes of any corrupt buffer */
39#define XFS_CORRUPTION_DUMP_LEN (128)
40
41/*
42 * Macros to set EFSCORRUPTED & return/branch.
43 */
44#define XFS_WANT_CORRUPTED_GOTO(mp, x, l) \
45 { \
46 int fs_is_ok = (x); \
47 ASSERT(fs_is_ok); \
48 if (unlikely(!fs_is_ok)) { \
49 XFS_ERROR_REPORT("XFS_WANT_CORRUPTED_GOTO", \
50 XFS_ERRLEVEL_LOW, mp); \
51 error = -EFSCORRUPTED; \
52 goto l; \
53 } \
54 }
55
56#define XFS_WANT_CORRUPTED_RETURN(mp, x) \
57 { \
58 int fs_is_ok = (x); \
59 ASSERT(fs_is_ok); \
60 if (unlikely(!fs_is_ok)) { \
61 XFS_ERROR_REPORT("XFS_WANT_CORRUPTED_RETURN", \
62 XFS_ERRLEVEL_LOW, mp); \
63 return -EFSCORRUPTED; \
64 } \
65 }
66
67#ifdef DEBUG
68extern int xfs_errortag_init(struct xfs_mount *mp);
69extern void xfs_errortag_del(struct xfs_mount *mp);
70extern bool xfs_errortag_test(struct xfs_mount *mp, const char *expression,
71 const char *file, int line, unsigned int error_tag);
72#define XFS_TEST_ERROR(expr, mp, tag) \
73 ((expr) || xfs_errortag_test((mp), #expr, __FILE__, __LINE__, (tag)))
74
75extern int xfs_errortag_get(struct xfs_mount *mp, unsigned int error_tag);
76extern int xfs_errortag_set(struct xfs_mount *mp, unsigned int error_tag,
77 unsigned int tag_value);
78extern int xfs_errortag_add(struct xfs_mount *mp, unsigned int error_tag);
79extern int xfs_errortag_clearall(struct xfs_mount *mp);
80#else
81#define xfs_errortag_init(mp) (0)
82#define xfs_errortag_del(mp)
83#define XFS_TEST_ERROR(expr, mp, tag) (expr)
84#define xfs_errortag_set(mp, tag, val) (ENOSYS)
85#define xfs_errortag_add(mp, tag) (ENOSYS)
86#define xfs_errortag_clearall(mp) (ENOSYS)
87#endif /* DEBUG */
88
89/*
90 * XFS panic tags -- allow a call to xfs_alert_tag() be turned into
91 * a panic by setting xfs_panic_mask in a sysctl.
92 */
93#define XFS_NO_PTAG 0
94#define XFS_PTAG_IFLUSH 0x00000001
95#define XFS_PTAG_LOGRES 0x00000002
96#define XFS_PTAG_AILDELETE 0x00000004
97#define XFS_PTAG_ERROR_REPORT 0x00000008
98#define XFS_PTAG_SHUTDOWN_CORRUPT 0x00000010
99#define XFS_PTAG_SHUTDOWN_IOERROR 0x00000020
100#define XFS_PTAG_SHUTDOWN_LOGERROR 0x00000040
101#define XFS_PTAG_FSBLOCK_ZERO 0x00000080
102#define XFS_PTAG_VERIFIER_ERROR 0x00000100
103
104#endif /* __XFS_ERROR_H__ */