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 struct xfs_mount; 22 23 extern void xfs_error_report(const char *tag, int level, struct xfs_mount *mp, 24 const char *filename, int linenum, void *ra); 25 extern void xfs_corruption_error(const char *tag, int level, 26 struct xfs_mount *mp, void *p, const char *filename, 27 int linenum, void *ra); 28 extern void xfs_verifier_error(struct xfs_buf *bp); 29 30 #define XFS_ERROR_REPORT(e, lvl, mp) \ 31 xfs_error_report(e, lvl, mp, __FILE__, __LINE__, __return_address) 32 #define XFS_CORRUPTION_ERROR(e, lvl, mp, mem) \ 33 xfs_corruption_error(e, lvl, mp, mem, \ 34 __FILE__, __LINE__, __return_address) 35 36 #define XFS_ERRLEVEL_OFF 0 37 #define XFS_ERRLEVEL_LOW 1 38 #define XFS_ERRLEVEL_HIGH 5 39 40 /* 41 * Macros to set EFSCORRUPTED & return/branch. 42 */ 43 #define XFS_WANT_CORRUPTED_GOTO(mp, x, l) \ 44 { \ 45 int fs_is_ok = (x); \ 46 ASSERT(fs_is_ok); \ 47 if (unlikely(!fs_is_ok)) { \ 48 XFS_ERROR_REPORT("XFS_WANT_CORRUPTED_GOTO", \ 49 XFS_ERRLEVEL_LOW, mp); \ 50 error = -EFSCORRUPTED; \ 51 goto l; \ 52 } \ 53 } 54 55 #define XFS_WANT_CORRUPTED_RETURN(mp, x) \ 56 { \ 57 int fs_is_ok = (x); \ 58 ASSERT(fs_is_ok); \ 59 if (unlikely(!fs_is_ok)) { \ 60 XFS_ERROR_REPORT("XFS_WANT_CORRUPTED_RETURN", \ 61 XFS_ERRLEVEL_LOW, mp); \ 62 return -EFSCORRUPTED; \ 63 } \ 64 } 65 66 #ifdef DEBUG 67 extern int xfs_errortag_init(struct xfs_mount *mp); 68 extern void xfs_errortag_del(struct xfs_mount *mp); 69 extern bool xfs_errortag_test(struct xfs_mount *mp, const char *expression, 70 const char *file, int line, unsigned int error_tag); 71 #define XFS_TEST_ERROR(expr, mp, tag) \ 72 ((expr) || xfs_errortag_test((mp), #expr, __FILE__, __LINE__, (tag))) 73 74 extern int xfs_errortag_get(struct xfs_mount *mp, unsigned int error_tag); 75 extern int xfs_errortag_set(struct xfs_mount *mp, unsigned int error_tag, 76 unsigned int tag_value); 77 extern int xfs_errortag_add(struct xfs_mount *mp, unsigned int error_tag); 78 extern int xfs_errortag_clearall(struct xfs_mount *mp); 79 #else 80 #define xfs_errortag_init(mp) (0) 81 #define xfs_errortag_del(mp) 82 #define XFS_TEST_ERROR(expr, mp, tag) (expr) 83 #define xfs_errortag_set(mp, tag, val) (ENOSYS) 84 #define xfs_errortag_add(mp, tag) (ENOSYS) 85 #define xfs_errortag_clearall(mp) (ENOSYS) 86 #endif /* DEBUG */ 87 88 /* 89 * XFS panic tags -- allow a call to xfs_alert_tag() be turned into 90 * a panic by setting xfs_panic_mask in a sysctl. 91 */ 92 #define XFS_NO_PTAG 0 93 #define XFS_PTAG_IFLUSH 0x00000001 94 #define XFS_PTAG_LOGRES 0x00000002 95 #define XFS_PTAG_AILDELETE 0x00000004 96 #define XFS_PTAG_ERROR_REPORT 0x00000008 97 #define XFS_PTAG_SHUTDOWN_CORRUPT 0x00000010 98 #define XFS_PTAG_SHUTDOWN_IOERROR 0x00000020 99 #define XFS_PTAG_SHUTDOWN_LOGERROR 0x00000040 100 #define XFS_PTAG_FSBLOCK_ZERO 0x00000080 101 102 #endif /* __XFS_ERROR_H__ */ 103