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18#ifndef __XFS_ERROR_H__
19#define __XFS_ERROR_H__
20
21struct xfs_mount;
22
23extern void xfs_error_report(const char *tag, int level, struct xfs_mount *mp,
24 const char *filename, int linenum, inst_t *ra);
25extern void xfs_corruption_error(const char *tag, int level,
26 struct xfs_mount *mp, void *p, const char *filename,
27 int linenum, inst_t *ra);
28extern void xfs_verifier_error(struct xfs_buf *bp);
29
30#define XFS_ERROR_REPORT(e, lvl, mp) \
31 xfs_error_report(e, lvl, mp, __FILE__, __LINE__, __return_address)
32#define XFS_CORRUPTION_ERROR(e, lvl, mp, mem) \
33 xfs_corruption_error(e, lvl, mp, mem, \
34 __FILE__, __LINE__, __return_address)
35
36#define XFS_ERRLEVEL_OFF 0
37#define XFS_ERRLEVEL_LOW 1
38#define XFS_ERRLEVEL_HIGH 5
39
40
41
42
43#define XFS_WANT_CORRUPTED_GOTO(x,l) \
44 { \
45 int fs_is_ok = (x); \
46 ASSERT(fs_is_ok); \
47 if (unlikely(!fs_is_ok)) { \
48 XFS_ERROR_REPORT("XFS_WANT_CORRUPTED_GOTO", \
49 XFS_ERRLEVEL_LOW, NULL); \
50 error = -EFSCORRUPTED; \
51 goto l; \
52 } \
53 }
54
55#define XFS_WANT_CORRUPTED_RETURN(x) \
56 { \
57 int fs_is_ok = (x); \
58 ASSERT(fs_is_ok); \
59 if (unlikely(!fs_is_ok)) { \
60 XFS_ERROR_REPORT("XFS_WANT_CORRUPTED_RETURN", \
61 XFS_ERRLEVEL_LOW, NULL); \
62 return -EFSCORRUPTED; \
63 } \
64 }
65
66
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68
69
70
71#define XFS_ERRTAG_NOERROR 0
72#define XFS_ERRTAG_IFLUSH_1 1
73#define XFS_ERRTAG_IFLUSH_2 2
74#define XFS_ERRTAG_IFLUSH_3 3
75#define XFS_ERRTAG_IFLUSH_4 4
76#define XFS_ERRTAG_IFLUSH_5 5
77#define XFS_ERRTAG_IFLUSH_6 6
78#define XFS_ERRTAG_DA_READ_BUF 7
79#define XFS_ERRTAG_BTREE_CHECK_LBLOCK 8
80#define XFS_ERRTAG_BTREE_CHECK_SBLOCK 9
81#define XFS_ERRTAG_ALLOC_READ_AGF 10
82#define XFS_ERRTAG_IALLOC_READ_AGI 11
83#define XFS_ERRTAG_ITOBP_INOTOBP 12
84#define XFS_ERRTAG_IUNLINK 13
85#define XFS_ERRTAG_IUNLINK_REMOVE 14
86#define XFS_ERRTAG_DIR_INO_VALIDATE 15
87#define XFS_ERRTAG_BULKSTAT_READ_CHUNK 16
88#define XFS_ERRTAG_IODONE_IOERR 17
89#define XFS_ERRTAG_STRATREAD_IOERR 18
90#define XFS_ERRTAG_STRATCMPL_IOERR 19
91#define XFS_ERRTAG_DIOWRITE_IOERR 20
92#define XFS_ERRTAG_BMAPIFORMAT 21
93#define XFS_ERRTAG_MAX 22
94
95
96
97
98#define XFS_RANDOM_DEFAULT 100
99#define XFS_RANDOM_IFLUSH_1 XFS_RANDOM_DEFAULT
100#define XFS_RANDOM_IFLUSH_2 XFS_RANDOM_DEFAULT
101#define XFS_RANDOM_IFLUSH_3 XFS_RANDOM_DEFAULT
102#define XFS_RANDOM_IFLUSH_4 XFS_RANDOM_DEFAULT
103#define XFS_RANDOM_IFLUSH_5 XFS_RANDOM_DEFAULT
104#define XFS_RANDOM_IFLUSH_6 XFS_RANDOM_DEFAULT
105#define XFS_RANDOM_DA_READ_BUF XFS_RANDOM_DEFAULT
106#define XFS_RANDOM_BTREE_CHECK_LBLOCK (XFS_RANDOM_DEFAULT/4)
107#define XFS_RANDOM_BTREE_CHECK_SBLOCK XFS_RANDOM_DEFAULT
108#define XFS_RANDOM_ALLOC_READ_AGF XFS_RANDOM_DEFAULT
109#define XFS_RANDOM_IALLOC_READ_AGI XFS_RANDOM_DEFAULT
110#define XFS_RANDOM_ITOBP_INOTOBP XFS_RANDOM_DEFAULT
111#define XFS_RANDOM_IUNLINK XFS_RANDOM_DEFAULT
112#define XFS_RANDOM_IUNLINK_REMOVE XFS_RANDOM_DEFAULT
113#define XFS_RANDOM_DIR_INO_VALIDATE XFS_RANDOM_DEFAULT
114#define XFS_RANDOM_BULKSTAT_READ_CHUNK XFS_RANDOM_DEFAULT
115#define XFS_RANDOM_IODONE_IOERR (XFS_RANDOM_DEFAULT/10)
116#define XFS_RANDOM_STRATREAD_IOERR (XFS_RANDOM_DEFAULT/10)
117#define XFS_RANDOM_STRATCMPL_IOERR (XFS_RANDOM_DEFAULT/10)
118#define XFS_RANDOM_DIOWRITE_IOERR (XFS_RANDOM_DEFAULT/10)
119#define XFS_RANDOM_BMAPIFORMAT XFS_RANDOM_DEFAULT
120
121#ifdef DEBUG
122extern int xfs_error_test_active;
123extern int xfs_error_test(int, int *, char *, int, char *, unsigned long);
124
125#define XFS_NUM_INJECT_ERROR 10
126#define XFS_TEST_ERROR(expr, mp, tag, rf) \
127 ((expr) || (xfs_error_test_active && \
128 xfs_error_test((tag), (mp)->m_fixedfsid, "expr", __LINE__, __FILE__, \
129 (rf))))
130
131extern int xfs_errortag_add(int error_tag, struct xfs_mount *mp);
132extern int xfs_errortag_clearall(struct xfs_mount *mp, int loud);
133#else
134#define XFS_TEST_ERROR(expr, mp, tag, rf) (expr)
135#define xfs_errortag_add(tag, mp) (ENOSYS)
136#define xfs_errortag_clearall(mp, loud) (ENOSYS)
137#endif
138
139
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141
142
143#define XFS_NO_PTAG 0
144#define XFS_PTAG_IFLUSH 0x00000001
145#define XFS_PTAG_LOGRES 0x00000002
146#define XFS_PTAG_AILDELETE 0x00000004
147#define XFS_PTAG_ERROR_REPORT 0x00000008
148#define XFS_PTAG_SHUTDOWN_CORRUPT 0x00000010
149#define XFS_PTAG_SHUTDOWN_IOERROR 0x00000020
150#define XFS_PTAG_SHUTDOWN_LOGERROR 0x00000040
151#define XFS_PTAG_FSBLOCK_ZERO 0x00000080
152
153#endif
154