2 * Copyright (c) 2000-2002,2005 Silicon Graphics, Inc.
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License as
7 * published by the Free Software Foundation.
9 * This program is distributed in the hope that it would be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write the Free Software Foundation,
16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
18 #ifndef __XFS_ERROR_H__
19 #define __XFS_ERROR_H__
21 #define XFS_ERECOVER 1 /* Failure to recover log */
22 #define XFS_ELOGSTAT 2 /* Failure to stat log in user space */
23 #define XFS_ENOLOGSPACE 3 /* Reservation too large */
24 #define XFS_ENOTSUP 4 /* Operation not supported */
25 #define XFS_ENOLSN 5 /* Can't find the lsn you asked for */
26 #define XFS_ENOTFOUND 6
27 #define XFS_ENOTXFS 7 /* Not XFS filesystem */
30 #define XFS_ERROR_NTRAP 10
31 extern int xfs_etrap[XFS_ERROR_NTRAP];
32 extern int xfs_error_trap(int);
33 #define XFS_ERROR(e) xfs_error_trap(e)
35 #define XFS_ERROR(e) (e)
40 extern void xfs_error_report(char *tag, int level, struct xfs_mount *mp,
41 char *fname, int linenum, inst_t *ra);
42 extern void xfs_corruption_error(char *tag, int level, struct xfs_mount *mp,
43 void *p, char *fname, int linenum, inst_t *ra);
45 #define XFS_ERROR_REPORT(e, lvl, mp) \
46 xfs_error_report(e, lvl, mp, __FILE__, __LINE__, __return_address)
47 #define XFS_CORRUPTION_ERROR(e, lvl, mp, mem) \
48 xfs_corruption_error(e, lvl, mp, mem, \
49 __FILE__, __LINE__, __return_address)
51 #define XFS_ERRLEVEL_OFF 0
52 #define XFS_ERRLEVEL_LOW 1
53 #define XFS_ERRLEVEL_HIGH 5
56 * Macros to set EFSCORRUPTED & return/branch.
58 #define XFS_WANT_CORRUPTED_GOTO(x,l) \
62 if (unlikely(!fs_is_ok)) { \
63 XFS_ERROR_REPORT("XFS_WANT_CORRUPTED_GOTO", \
64 XFS_ERRLEVEL_LOW, NULL); \
65 error = XFS_ERROR(EFSCORRUPTED); \
70 #define XFS_WANT_CORRUPTED_RETURN(x) \
74 if (unlikely(!fs_is_ok)) { \
75 XFS_ERROR_REPORT("XFS_WANT_CORRUPTED_RETURN", \
76 XFS_ERRLEVEL_LOW, NULL); \
77 return XFS_ERROR(EFSCORRUPTED); \
82 * error injection tags - the labels can be anything you want
83 * but each tag should have its own unique number
86 #define XFS_ERRTAG_NOERROR 0
87 #define XFS_ERRTAG_IFLUSH_1 1
88 #define XFS_ERRTAG_IFLUSH_2 2
89 #define XFS_ERRTAG_IFLUSH_3 3
90 #define XFS_ERRTAG_IFLUSH_4 4
91 #define XFS_ERRTAG_IFLUSH_5 5
92 #define XFS_ERRTAG_IFLUSH_6 6
93 #define XFS_ERRTAG_DA_READ_BUF 7
94 #define XFS_ERRTAG_BTREE_CHECK_LBLOCK 8
95 #define XFS_ERRTAG_BTREE_CHECK_SBLOCK 9
96 #define XFS_ERRTAG_ALLOC_READ_AGF 10
97 #define XFS_ERRTAG_IALLOC_READ_AGI 11
98 #define XFS_ERRTAG_ITOBP_INOTOBP 12
99 #define XFS_ERRTAG_IUNLINK 13
100 #define XFS_ERRTAG_IUNLINK_REMOVE 14
101 #define XFS_ERRTAG_DIR_INO_VALIDATE 15
102 #define XFS_ERRTAG_BULKSTAT_READ_CHUNK 16
103 #define XFS_ERRTAG_IODONE_IOERR 17
104 #define XFS_ERRTAG_STRATREAD_IOERR 18
105 #define XFS_ERRTAG_STRATCMPL_IOERR 19
106 #define XFS_ERRTAG_DIOWRITE_IOERR 20
107 #define XFS_ERRTAG_BMAPIFORMAT 21
108 #define XFS_ERRTAG_MAX 22
111 * Random factors for above tags, 1 means always, 2 means 1/2 time, etc.
113 #define XFS_RANDOM_DEFAULT 100
114 #define XFS_RANDOM_IFLUSH_1 XFS_RANDOM_DEFAULT
115 #define XFS_RANDOM_IFLUSH_2 XFS_RANDOM_DEFAULT
116 #define XFS_RANDOM_IFLUSH_3 XFS_RANDOM_DEFAULT
117 #define XFS_RANDOM_IFLUSH_4 XFS_RANDOM_DEFAULT
118 #define XFS_RANDOM_IFLUSH_5 XFS_RANDOM_DEFAULT
119 #define XFS_RANDOM_IFLUSH_6 XFS_RANDOM_DEFAULT
120 #define XFS_RANDOM_DA_READ_BUF XFS_RANDOM_DEFAULT
121 #define XFS_RANDOM_BTREE_CHECK_LBLOCK (XFS_RANDOM_DEFAULT/4)
122 #define XFS_RANDOM_BTREE_CHECK_SBLOCK XFS_RANDOM_DEFAULT
123 #define XFS_RANDOM_ALLOC_READ_AGF XFS_RANDOM_DEFAULT
124 #define XFS_RANDOM_IALLOC_READ_AGI XFS_RANDOM_DEFAULT
125 #define XFS_RANDOM_ITOBP_INOTOBP XFS_RANDOM_DEFAULT
126 #define XFS_RANDOM_IUNLINK XFS_RANDOM_DEFAULT
127 #define XFS_RANDOM_IUNLINK_REMOVE XFS_RANDOM_DEFAULT
128 #define XFS_RANDOM_DIR_INO_VALIDATE XFS_RANDOM_DEFAULT
129 #define XFS_RANDOM_BULKSTAT_READ_CHUNK XFS_RANDOM_DEFAULT
130 #define XFS_RANDOM_IODONE_IOERR (XFS_RANDOM_DEFAULT/10)
131 #define XFS_RANDOM_STRATREAD_IOERR (XFS_RANDOM_DEFAULT/10)
132 #define XFS_RANDOM_STRATCMPL_IOERR (XFS_RANDOM_DEFAULT/10)
133 #define XFS_RANDOM_DIOWRITE_IOERR (XFS_RANDOM_DEFAULT/10)
134 #define XFS_RANDOM_BMAPIFORMAT XFS_RANDOM_DEFAULT
136 #if (defined(DEBUG) || defined(INDUCE_IO_ERROR))
137 extern int xfs_error_test(int, int *, char *, int, char *, unsigned long);
138 extern void xfs_error_test_init(void);
140 #define XFS_NUM_INJECT_ERROR 10
143 #define XFS_TEST_ERROR(expr, mp, tag, rf) \
145 xfs_error_test((tag), (mp)->m_fixedfsid, #expr, __LINE__, __FILE__, \
148 #define XFS_TEST_ERROR(expr, mp, tag, rf) \
150 xfs_error_test((tag), (mp)->m_fixedfsid, "expr", __LINE__, __FILE__, \
152 #endif /* __ANSI_CPP__ */
154 extern int xfs_errortag_add(int error_tag, xfs_mount_t *mp);
155 extern int xfs_errortag_clear(int error_tag, xfs_mount_t *mp);
156 extern int xfs_errortag_clearall(xfs_mount_t *mp);
157 extern int xfs_errortag_clearall_umount(int64_t fsid, char *fsname, int loud);
159 #define XFS_TEST_ERROR(expr, mp, tag, rf) (expr)
160 #define xfs_errortag_add(tag, mp) (ENOSYS)
161 #define xfs_errortag_clearall(mp) (ENOSYS)
162 #endif /* (DEBUG || INDUCE_IO_ERROR) */
165 * XFS panic tags -- allow a call to xfs_cmn_err() be turned into
166 * a panic by setting xfs_panic_mask in a
167 * sysctl. update xfs_max[XFS_PARAM] if
170 #define XFS_NO_PTAG 0
171 #define XFS_PTAG_IFLUSH 0x00000001
172 #define XFS_PTAG_LOGRES 0x00000002
173 #define XFS_PTAG_AILDELETE 0x00000004
174 #define XFS_PTAG_ERROR_REPORT 0x00000008
175 #define XFS_PTAG_SHUTDOWN_CORRUPT 0x00000010
176 #define XFS_PTAG_SHUTDOWN_IOERROR 0x00000020
177 #define XFS_PTAG_SHUTDOWN_LOGERROR 0x00000040
181 extern void xfs_cmn_err(int panic_tag, int level, struct xfs_mount *mp,
184 extern void xfs_fs_cmn_err(int level, struct xfs_mount *mp, char *fmt, ...);
186 #define xfs_fs_repair_cmn_err(level, mp, fmt, args...) \
187 xfs_fs_cmn_err(level, mp, fmt " Unmount and run xfs_repair.", ## args)
189 #endif /* __XFS_ERROR_H__ */