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