/* * 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(const char *tag, int level, struct xfs_mount *mp, const char *filename, int linenum, inst_t *ra); extern void xfs_corruption_error(const char *tag, int level, struct xfs_mount *mp, void *p, const char *filename, 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 #ifdef DEBUG extern int xfs_error_test_active; extern int xfs_error_test(int, int *, char *, int, char *, unsigned long); #define XFS_NUM_INJECT_ERROR 10 #define XFS_TEST_ERROR(expr, mp, tag, rf) \ ((expr) || (xfs_error_test_active && \ xfs_error_test((tag), (mp)->m_fixedfsid, "expr", __LINE__, __FILE__, \ (rf)))) extern int xfs_errortag_add(int error_tag, struct xfs_mount *mp); extern int xfs_errortag_clearall(struct xfs_mount *mp, int loud); #else #define XFS_TEST_ERROR(expr, mp, tag, rf) (expr) #define xfs_errortag_add(tag, mp) (ENOSYS) #define xfs_errortag_clearall(mp, loud) (ENOSYS) #endif /* DEBUG */ /* * XFS panic tags -- allow a call to xfs_alert_tag() be turned into * a panic by setting xfs_panic_mask in a sysctl. */ #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; extern void xfs_hex_dump(void *p, int length); #endif /* __XFS_ERROR_H__ */