1 /* 2 * Copyright (c) 2000-2002,2005 Silicon Graphics, Inc. 3 * All Rights Reserved. 4 * 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. 8 * 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. 13 * 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 17 */ 18 #ifndef __XFS_ERROR_H__ 19 #define __XFS_ERROR_H__ 20 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 */ 28 29 #ifdef DEBUG 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) 34 #else 35 #define XFS_ERROR(e) (e) 36 #endif 37 38 struct xfs_mount; 39 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); 44 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) 50 51 #define XFS_ERRLEVEL_OFF 0 52 #define XFS_ERRLEVEL_LOW 1 53 #define XFS_ERRLEVEL_HIGH 5 54 55 /* 56 * Macros to set EFSCORRUPTED & return/branch. 57 */ 58 #define XFS_WANT_CORRUPTED_GOTO(x,l) \ 59 { \ 60 int fs_is_ok = (x); \ 61 ASSERT(fs_is_ok); \ 62 if (unlikely(!fs_is_ok)) { \ 63 XFS_ERROR_REPORT("XFS_WANT_CORRUPTED_GOTO", \ 64 XFS_ERRLEVEL_LOW, NULL); \ 65 error = XFS_ERROR(EFSCORRUPTED); \ 66 goto l; \ 67 } \ 68 } 69 70 #define XFS_WANT_CORRUPTED_RETURN(x) \ 71 { \ 72 int fs_is_ok = (x); \ 73 ASSERT(fs_is_ok); \ 74 if (unlikely(!fs_is_ok)) { \ 75 XFS_ERROR_REPORT("XFS_WANT_CORRUPTED_RETURN", \ 76 XFS_ERRLEVEL_LOW, NULL); \ 77 return XFS_ERROR(EFSCORRUPTED); \ 78 } \ 79 } 80 81 /* 82 * error injection tags - the labels can be anything you want 83 * but each tag should have its own unique number 84 */ 85 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 22 109 110 /* 111 * Random factors for above tags, 1 means always, 2 means 1/2 time, etc. 112 */ 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 135 136 #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); 139 140 #define XFS_NUM_INJECT_ERROR 10 141 142 #ifdef __ANSI_CPP__ 143 #define XFS_TEST_ERROR(expr, mp, tag, rf) \ 144 ((expr) || \ 145 xfs_error_test((tag), (mp)->m_fixedfsid, #expr, __LINE__, __FILE__, \ 146 (rf))) 147 #else 148 #define XFS_TEST_ERROR(expr, mp, tag, rf) \ 149 ((expr) || \ 150 xfs_error_test((tag), (mp)->m_fixedfsid, "expr", __LINE__, __FILE__, \ 151 (rf))) 152 #endif /* __ANSI_CPP__ */ 153 154 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); 158 #else 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) */ 163 164 /* 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 168 * more are added. 169 */ 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 178 179 struct xfs_mount; 180 /* PRINTFLIKE4 */ 181 extern void xfs_cmn_err(int panic_tag, int level, struct xfs_mount *mp, 182 char *fmt, ...); 183 /* PRINTFLIKE3 */ 184 extern void xfs_fs_cmn_err(int level, struct xfs_mount *mp, char *fmt, ...); 185 186 #define xfs_fs_repair_cmn_err(level, mp, fmt, args...) \ 187 xfs_fs_cmn_err(level, mp, fmt " Unmount and run xfs_repair.", ## args) 188 189 #define xfs_fs_mount_cmn_err(f, fmt, args...) \ 190 ((f & XFS_MFSI_QUIET)? cmn_err(CE_WARN, "XFS: " fmt, ## args) : (void)0) 191 192 #endif /* __XFS_ERROR_H__ */ 193