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, const void *buf, size_t bufsize,
16 const char *filename, int linenum,
17 xfs_failaddr_t failaddr);
18 void xfs_buf_corruption_error(struct xfs_buf *bp, xfs_failaddr_t fa);
19 extern void xfs_buf_verifier_error(struct xfs_buf *bp, int error,
20 const char *name, const void *buf, size_t bufsz,
21 xfs_failaddr_t failaddr);
22 extern void xfs_verifier_error(struct xfs_buf *bp, int error,
23 xfs_failaddr_t failaddr);
24 extern void xfs_inode_verifier_error(struct xfs_inode *ip, int error,
25 const char *name, const void *buf, size_t bufsz,
26 xfs_failaddr_t failaddr);
28 #define XFS_ERROR_REPORT(e, lvl, mp) \
29 xfs_error_report(e, lvl, mp, __FILE__, __LINE__, __return_address)
30 #define XFS_CORRUPTION_ERROR(e, lvl, mp, buf, bufsize) \
31 xfs_corruption_error(e, lvl, mp, buf, bufsize, \
32 __FILE__, __LINE__, __return_address)
34 #define XFS_ERRLEVEL_OFF 0
35 #define XFS_ERRLEVEL_LOW 1
36 #define XFS_ERRLEVEL_HIGH 5
38 /* Dump 128 bytes of any corrupt buffer */
39 #define XFS_CORRUPTION_DUMP_LEN (128)
42 * Macros to set EFSCORRUPTED & return/branch.
44 #define XFS_WANT_CORRUPTED_GOTO(mp, x, l) \
48 if (unlikely(!fs_is_ok)) { \
49 XFS_ERROR_REPORT("XFS_WANT_CORRUPTED_GOTO", \
50 XFS_ERRLEVEL_LOW, mp); \
51 error = -EFSCORRUPTED; \
56 #define XFS_WANT_CORRUPTED_RETURN(mp, x) \
60 if (unlikely(!fs_is_ok)) { \
61 XFS_ERROR_REPORT("XFS_WANT_CORRUPTED_RETURN", \
62 XFS_ERRLEVEL_LOW, mp); \
63 return -EFSCORRUPTED; \
68 extern int xfs_errortag_init(struct xfs_mount *mp);
69 extern void xfs_errortag_del(struct xfs_mount *mp);
70 extern bool xfs_errortag_test(struct xfs_mount *mp, const char *expression,
71 const char *file, int line, unsigned int error_tag);
72 #define XFS_TEST_ERROR(expr, mp, tag) \
73 ((expr) || xfs_errortag_test((mp), #expr, __FILE__, __LINE__, (tag)))
75 extern int xfs_errortag_get(struct xfs_mount *mp, unsigned int error_tag);
76 extern int xfs_errortag_set(struct xfs_mount *mp, unsigned int error_tag,
77 unsigned int tag_value);
78 extern int xfs_errortag_add(struct xfs_mount *mp, unsigned int error_tag);
79 extern int xfs_errortag_clearall(struct xfs_mount *mp);
81 #define xfs_errortag_init(mp) (0)
82 #define xfs_errortag_del(mp)
83 #define XFS_TEST_ERROR(expr, mp, tag) (expr)
84 #define xfs_errortag_set(mp, tag, val) (ENOSYS)
85 #define xfs_errortag_add(mp, tag) (ENOSYS)
86 #define xfs_errortag_clearall(mp) (ENOSYS)
90 * XFS panic tags -- allow a call to xfs_alert_tag() be turned into
91 * a panic by setting xfs_panic_mask in a sysctl.
94 #define XFS_PTAG_IFLUSH 0x00000001
95 #define XFS_PTAG_LOGRES 0x00000002
96 #define XFS_PTAG_AILDELETE 0x00000004
97 #define XFS_PTAG_ERROR_REPORT 0x00000008
98 #define XFS_PTAG_SHUTDOWN_CORRUPT 0x00000010
99 #define XFS_PTAG_SHUTDOWN_IOERROR 0x00000020
100 #define XFS_PTAG_SHUTDOWN_LOGERROR 0x00000040
101 #define XFS_PTAG_FSBLOCK_ZERO 0x00000080
102 #define XFS_PTAG_VERIFIER_ERROR 0x00000100
104 #endif /* __XFS_ERROR_H__ */