| /* |
| * Copyright (c) 2000-2002,2005 Silicon Graphics, Inc. |
| * All Rights Reserved. |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License as |
| * published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it would be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| #ifndef __XFS_ERROR_H__ |
| #define __XFS_ERROR_H__ |
| |
| #ifdef DEBUG |
| #define XFS_ERROR_NTRAP 10 |
| extern int xfs_etrap[XFS_ERROR_NTRAP]; |
| extern int xfs_error_trap(int); |
| #define XFS_ERROR(e) xfs_error_trap(e) |
| #else |
| #define XFS_ERROR(e) (e) |
| #endif |
| |
| struct xfs_mount; |
| |
| extern void xfs_error_report(char *tag, int level, struct xfs_mount *mp, |
| char *fname, int linenum, inst_t *ra); |
| extern void xfs_corruption_error(char *tag, int level, struct xfs_mount *mp, |
| void *p, char *fname, int linenum, inst_t *ra); |
| |
| #define XFS_ERROR_REPORT(e, lvl, mp) \ |
| xfs_error_report(e, lvl, mp, __FILE__, __LINE__, __return_address) |
| #define XFS_CORRUPTION_ERROR(e, lvl, mp, mem) \ |
| xfs_corruption_error(e, lvl, mp, mem, \ |
| __FILE__, __LINE__, __return_address) |
| |
| #define XFS_ERRLEVEL_OFF 0 |
| #define XFS_ERRLEVEL_LOW 1 |
| #define XFS_ERRLEVEL_HIGH 5 |
| |
| /* |
| * Macros to set EFSCORRUPTED & return/branch. |
| */ |
| #define XFS_WANT_CORRUPTED_GOTO(x,l) \ |
| { \ |
| int fs_is_ok = (x); \ |
| ASSERT(fs_is_ok); \ |
| if (unlikely(!fs_is_ok)) { \ |
| XFS_ERROR_REPORT("XFS_WANT_CORRUPTED_GOTO", \ |
| XFS_ERRLEVEL_LOW, NULL); \ |
| error = XFS_ERROR(EFSCORRUPTED); \ |
| goto l; \ |
| } \ |
| } |
| |
| #define XFS_WANT_CORRUPTED_RETURN(x) \ |
| { \ |
| int fs_is_ok = (x); \ |
| ASSERT(fs_is_ok); \ |
| if (unlikely(!fs_is_ok)) { \ |
| XFS_ERROR_REPORT("XFS_WANT_CORRUPTED_RETURN", \ |
| XFS_ERRLEVEL_LOW, NULL); \ |
| return XFS_ERROR(EFSCORRUPTED); \ |
| } \ |
| } |
| |
| /* |
| * error injection tags - the labels can be anything you want |
| * but each tag should have its own unique number |
| */ |
| |
| #define XFS_ERRTAG_NOERROR 0 |
| #define XFS_ERRTAG_IFLUSH_1 1 |
| #define XFS_ERRTAG_IFLUSH_2 2 |
| #define XFS_ERRTAG_IFLUSH_3 3 |
| #define XFS_ERRTAG_IFLUSH_4 4 |
| #define XFS_ERRTAG_IFLUSH_5 5 |
| #define XFS_ERRTAG_IFLUSH_6 6 |
| #define XFS_ERRTAG_DA_READ_BUF 7 |
| #define XFS_ERRTAG_BTREE_CHECK_LBLOCK 8 |
| #define XFS_ERRTAG_BTREE_CHECK_SBLOCK 9 |
| #define XFS_ERRTAG_ALLOC_READ_AGF 10 |
| #define XFS_ERRTAG_IALLOC_READ_AGI 11 |
| #define XFS_ERRTAG_ITOBP_INOTOBP 12 |
| #define XFS_ERRTAG_IUNLINK 13 |
| #define XFS_ERRTAG_IUNLINK_REMOVE 14 |
| #define XFS_ERRTAG_DIR_INO_VALIDATE 15 |
| #define XFS_ERRTAG_BULKSTAT_READ_CHUNK 16 |
| #define XFS_ERRTAG_IODONE_IOERR 17 |
| #define XFS_ERRTAG_STRATREAD_IOERR 18 |
| #define XFS_ERRTAG_STRATCMPL_IOERR 19 |
| #define XFS_ERRTAG_DIOWRITE_IOERR 20 |
| #define XFS_ERRTAG_BMAPIFORMAT 21 |
| #define XFS_ERRTAG_MAX 22 |
| |
| /* |
| * Random factors for above tags, 1 means always, 2 means 1/2 time, etc. |
| */ |
| #define XFS_RANDOM_DEFAULT 100 |
| #define XFS_RANDOM_IFLUSH_1 XFS_RANDOM_DEFAULT |
| #define XFS_RANDOM_IFLUSH_2 XFS_RANDOM_DEFAULT |
| #define XFS_RANDOM_IFLUSH_3 XFS_RANDOM_DEFAULT |
| #define XFS_RANDOM_IFLUSH_4 XFS_RANDOM_DEFAULT |
| #define XFS_RANDOM_IFLUSH_5 XFS_RANDOM_DEFAULT |
| #define XFS_RANDOM_IFLUSH_6 XFS_RANDOM_DEFAULT |
| #define XFS_RANDOM_DA_READ_BUF XFS_RANDOM_DEFAULT |
| #define XFS_RANDOM_BTREE_CHECK_LBLOCK (XFS_RANDOM_DEFAULT/4) |
| #define XFS_RANDOM_BTREE_CHECK_SBLOCK XFS_RANDOM_DEFAULT |
| #define XFS_RANDOM_ALLOC_READ_AGF XFS_RANDOM_DEFAULT |
| #define XFS_RANDOM_IALLOC_READ_AGI XFS_RANDOM_DEFAULT |
| #define XFS_RANDOM_ITOBP_INOTOBP XFS_RANDOM_DEFAULT |
| #define XFS_RANDOM_IUNLINK XFS_RANDOM_DEFAULT |
| #define XFS_RANDOM_IUNLINK_REMOVE XFS_RANDOM_DEFAULT |
| #define XFS_RANDOM_DIR_INO_VALIDATE XFS_RANDOM_DEFAULT |
| #define XFS_RANDOM_BULKSTAT_READ_CHUNK XFS_RANDOM_DEFAULT |
| #define XFS_RANDOM_IODONE_IOERR (XFS_RANDOM_DEFAULT/10) |
| #define XFS_RANDOM_STRATREAD_IOERR (XFS_RANDOM_DEFAULT/10) |
| #define XFS_RANDOM_STRATCMPL_IOERR (XFS_RANDOM_DEFAULT/10) |
| #define XFS_RANDOM_DIOWRITE_IOERR (XFS_RANDOM_DEFAULT/10) |
| #define XFS_RANDOM_BMAPIFORMAT XFS_RANDOM_DEFAULT |
| |
| #if (defined(DEBUG) || defined(INDUCE_IO_ERROR)) |
| extern int xfs_error_test(int, int *, char *, int, char *, unsigned long); |
| extern void xfs_error_test_init(void); |
| |
| #define XFS_NUM_INJECT_ERROR 10 |
| |
| #ifdef __ANSI_CPP__ |
| #define XFS_TEST_ERROR(expr, mp, tag, rf) \ |
| ((expr) || \ |
| xfs_error_test((tag), (mp)->m_fixedfsid, #expr, __LINE__, __FILE__, \ |
| (rf))) |
| #else |
| #define XFS_TEST_ERROR(expr, mp, tag, rf) \ |
| ((expr) || \ |
| xfs_error_test((tag), (mp)->m_fixedfsid, "expr", __LINE__, __FILE__, \ |
| (rf))) |
| #endif /* __ANSI_CPP__ */ |
| |
| extern int xfs_errortag_add(int error_tag, xfs_mount_t *mp); |
| extern int xfs_errortag_clear(int error_tag, xfs_mount_t *mp); |
| extern int xfs_errortag_clearall(xfs_mount_t *mp); |
| extern int xfs_errortag_clearall_umount(int64_t fsid, char *fsname, int loud); |
| #else |
| #define XFS_TEST_ERROR(expr, mp, tag, rf) (expr) |
| #define xfs_errortag_add(tag, mp) (ENOSYS) |
| #define xfs_errortag_clearall(mp) (ENOSYS) |
| #endif /* (DEBUG || INDUCE_IO_ERROR) */ |
| |
| /* |
| * XFS panic tags -- allow a call to xfs_cmn_err() be turned into |
| * a panic by setting xfs_panic_mask in a |
| * sysctl. update xfs_max[XFS_PARAM] if |
| * more are added. |
| */ |
| #define XFS_NO_PTAG 0 |
| #define XFS_PTAG_IFLUSH 0x00000001 |
| #define XFS_PTAG_LOGRES 0x00000002 |
| #define XFS_PTAG_AILDELETE 0x00000004 |
| #define XFS_PTAG_ERROR_REPORT 0x00000008 |
| #define XFS_PTAG_SHUTDOWN_CORRUPT 0x00000010 |
| #define XFS_PTAG_SHUTDOWN_IOERROR 0x00000020 |
| #define XFS_PTAG_SHUTDOWN_LOGERROR 0x00000040 |
| #define XFS_PTAG_FSBLOCK_ZERO 0x00000080 |
| |
| struct xfs_mount; |
| /* PRINTFLIKE4 */ |
| extern void xfs_cmn_err(int panic_tag, int level, struct xfs_mount *mp, |
| char *fmt, ...); |
| /* PRINTFLIKE3 */ |
| extern void xfs_fs_cmn_err(int level, struct xfs_mount *mp, char *fmt, ...); |
| |
| #define xfs_fs_repair_cmn_err(level, mp, fmt, args...) \ |
| xfs_fs_cmn_err(level, mp, fmt " Unmount and run xfs_repair.", ## args) |
| |
| #define xfs_fs_mount_cmn_err(f, fmt, args...) \ |
| ((f & XFS_MFSI_QUIET)? (void)0 : cmn_err(CE_WARN, "XFS: " fmt, ## args)) |
| |
| #endif /* __XFS_ERROR_H__ */ |