2 * Copyright (c) 2000-2002,2005 Silicon Graphics, Inc.
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.
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.
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
18 #ifndef __XFS_ERROR_H__
19 #define __XFS_ERROR_H__
23 extern void xfs_error_report(const char *tag, int level, struct xfs_mount *mp,
24 const char *filename, int linenum,
25 xfs_failaddr_t failaddr);
26 extern void xfs_corruption_error(const char *tag, int level,
27 struct xfs_mount *mp, void *p, const char *filename,
28 int linenum, xfs_failaddr_t failaddr);
29 extern void xfs_buf_verifier_error(struct xfs_buf *bp, int error,
30 const char *name, void *buf, size_t bufsz,
31 xfs_failaddr_t failaddr);
32 extern void xfs_verifier_error(struct xfs_buf *bp, int error,
33 xfs_failaddr_t failaddr);
34 extern void xfs_inode_verifier_error(struct xfs_inode *ip, int error,
35 const char *name, void *buf, size_t bufsz,
36 xfs_failaddr_t failaddr);
38 #define XFS_ERROR_REPORT(e, lvl, mp) \
39 xfs_error_report(e, lvl, mp, __FILE__, __LINE__, __return_address)
40 #define XFS_CORRUPTION_ERROR(e, lvl, mp, mem) \
41 xfs_corruption_error(e, lvl, mp, mem, \
42 __FILE__, __LINE__, __return_address)
44 #define XFS_ERRLEVEL_OFF 0
45 #define XFS_ERRLEVEL_LOW 1
46 #define XFS_ERRLEVEL_HIGH 5
48 /* Dump 128 bytes of any corrupt buffer */
49 #define XFS_CORRUPTION_DUMP_LEN (128)
52 * Macros to set EFSCORRUPTED & return/branch.
54 #define XFS_WANT_CORRUPTED_GOTO(mp, x, l) \
58 if (unlikely(!fs_is_ok)) { \
59 XFS_ERROR_REPORT("XFS_WANT_CORRUPTED_GOTO", \
60 XFS_ERRLEVEL_LOW, mp); \
61 error = -EFSCORRUPTED; \
66 #define XFS_WANT_CORRUPTED_RETURN(mp, x) \
70 if (unlikely(!fs_is_ok)) { \
71 XFS_ERROR_REPORT("XFS_WANT_CORRUPTED_RETURN", \
72 XFS_ERRLEVEL_LOW, mp); \
73 return -EFSCORRUPTED; \
78 extern int xfs_errortag_init(struct xfs_mount *mp);
79 extern void xfs_errortag_del(struct xfs_mount *mp);
80 extern bool xfs_errortag_test(struct xfs_mount *mp, const char *expression,
81 const char *file, int line, unsigned int error_tag);
82 #define XFS_TEST_ERROR(expr, mp, tag) \
83 ((expr) || xfs_errortag_test((mp), #expr, __FILE__, __LINE__, (tag)))
85 extern int xfs_errortag_get(struct xfs_mount *mp, unsigned int error_tag);
86 extern int xfs_errortag_set(struct xfs_mount *mp, unsigned int error_tag,
87 unsigned int tag_value);
88 extern int xfs_errortag_add(struct xfs_mount *mp, unsigned int error_tag);
89 extern int xfs_errortag_clearall(struct xfs_mount *mp);
91 #define xfs_errortag_init(mp) (0)
92 #define xfs_errortag_del(mp)
93 #define XFS_TEST_ERROR(expr, mp, tag) (expr)
94 #define xfs_errortag_set(mp, tag, val) (ENOSYS)
95 #define xfs_errortag_add(mp, tag) (ENOSYS)
96 #define xfs_errortag_clearall(mp) (ENOSYS)
100 * XFS panic tags -- allow a call to xfs_alert_tag() be turned into
101 * a panic by setting xfs_panic_mask in a sysctl.
103 #define XFS_NO_PTAG 0
104 #define XFS_PTAG_IFLUSH 0x00000001
105 #define XFS_PTAG_LOGRES 0x00000002
106 #define XFS_PTAG_AILDELETE 0x00000004
107 #define XFS_PTAG_ERROR_REPORT 0x00000008
108 #define XFS_PTAG_SHUTDOWN_CORRUPT 0x00000010
109 #define XFS_PTAG_SHUTDOWN_IOERROR 0x00000020
110 #define XFS_PTAG_SHUTDOWN_LOGERROR 0x00000040
111 #define XFS_PTAG_FSBLOCK_ZERO 0x00000080
113 #endif /* __XFS_ERROR_H__ */