1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (c) 2000-2002,2005 Silicon Graphics, Inc.
6 #ifndef __XFS_ERROR_H__
7 #define __XFS_ERROR_H__
11 extern void xfs_error_report(const char *tag, int level, struct xfs_mount *mp,
12 const char *filename, int linenum,
13 xfs_failaddr_t failaddr);
14 extern void xfs_corruption_error(const char *tag, int level,
15 struct xfs_mount *mp, void *buf, size_t bufsize,
16 const char *filename, int linenum,
17 xfs_failaddr_t failaddr);
18 extern void xfs_buf_verifier_error(struct xfs_buf *bp, int error,
19 const char *name, void *buf, size_t bufsz,
20 xfs_failaddr_t failaddr);
21 extern void xfs_verifier_error(struct xfs_buf *bp, int error,
22 xfs_failaddr_t failaddr);
23 extern void xfs_inode_verifier_error(struct xfs_inode *ip, int error,
24 const char *name, void *buf, size_t bufsz,
25 xfs_failaddr_t failaddr);
27 #define XFS_ERROR_REPORT(e, lvl, mp) \
28 xfs_error_report(e, lvl, mp, __FILE__, __LINE__, __return_address)
29 #define XFS_CORRUPTION_ERROR(e, lvl, mp, buf, bufsize) \
30 xfs_corruption_error(e, lvl, mp, buf, bufsize, \
31 __FILE__, __LINE__, __return_address)
33 #define XFS_ERRLEVEL_OFF 0
34 #define XFS_ERRLEVEL_LOW 1
35 #define XFS_ERRLEVEL_HIGH 5
37 /* Dump 128 bytes of any corrupt buffer */
38 #define XFS_CORRUPTION_DUMP_LEN (128)
41 * Macros to set EFSCORRUPTED & return/branch.
43 #define XFS_WANT_CORRUPTED_GOTO(mp, x, l) \
47 if (unlikely(!fs_is_ok)) { \
48 XFS_ERROR_REPORT("XFS_WANT_CORRUPTED_GOTO", \
49 XFS_ERRLEVEL_LOW, mp); \
50 error = -EFSCORRUPTED; \
55 #define XFS_WANT_CORRUPTED_RETURN(mp, x) \
59 if (unlikely(!fs_is_ok)) { \
60 XFS_ERROR_REPORT("XFS_WANT_CORRUPTED_RETURN", \
61 XFS_ERRLEVEL_LOW, mp); \
62 return -EFSCORRUPTED; \
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)))
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);
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)
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.
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 #define XFS_PTAG_VERIFIER_ERROR 0x00000100
103 #endif /* __XFS_ERROR_H__ */