projects / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 0b61f8a4 | 1 | // SPDX-License-Identifier: GPL-2.0 |
| 1da177e4 | 2 | /* |
| 7b718769 NS |
3 | * Copyright (c) 2000-2002,2005 Silicon Graphics, Inc. |
| 4 | * All Rights Reserved. | |
| 1da177e4 LT |
5 | */ |
| 6 | #ifndef __XFS_ERROR_H__ | |
| 7 | #define __XFS_ERROR_H__ | |
| 8 | ||
| 1da177e4 LT |
9 | struct xfs_mount; |
| 10 | ||
| a0e856b0 | 11 | extern void xfs_error_report(const char *tag, int level, struct xfs_mount *mp, |
| d9418ed0 DW |
12 | const char *filename, int linenum, |
| 13 | xfs_failaddr_t failaddr); | |
| a0e856b0 | 14 | extern void xfs_corruption_error(const char *tag, int level, |
| 2551a530 DW |
15 | struct xfs_mount *mp, void *buf, size_t bufsize, |
| 16 | const char *filename, int linenum, | |
| 17 | xfs_failaddr_t failaddr); | |
| 6edb1810 DW |
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); | |
| bc1a09b8 DW |
21 | extern void xfs_verifier_error(struct xfs_buf *bp, int error, |
| 22 | xfs_failaddr_t failaddr); | |
| 22431bf3 DW |
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); | |
| 1da177e4 | 26 | |
| 1da177e4 LT |
27 | #define XFS_ERROR_REPORT(e, lvl, mp) \ |
| 28 | xfs_error_report(e, lvl, mp, __FILE__, __LINE__, __return_address) | |
| 2551a530 DW |
29 | #define XFS_CORRUPTION_ERROR(e, lvl, mp, buf, bufsize) \ |
| 30 | xfs_corruption_error(e, lvl, mp, buf, bufsize, \ | |
| 1da177e4 LT |
31 | __FILE__, __LINE__, __return_address) |
| 32 | ||
| 33 | #define XFS_ERRLEVEL_OFF 0 | |
| 34 | #define XFS_ERRLEVEL_LOW 1 | |
| 35 | #define XFS_ERRLEVEL_HIGH 5 | |
| 36 | ||
| 9c712a13 DW |
37 | /* Dump 128 bytes of any corrupt buffer */ |
| 38 | #define XFS_CORRUPTION_DUMP_LEN (128) | |
| 39 | ||
| a844f451 NS |
40 | /* |
| 41 | * Macros to set EFSCORRUPTED & return/branch. | |
| 42 | */ | |
| c29aad41 | 43 | #define XFS_WANT_CORRUPTED_GOTO(mp, x, l) \ |
| a844f451 NS |
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", \ | |
| c29aad41 | 49 | XFS_ERRLEVEL_LOW, mp); \ |
| 2451337d | 50 | error = -EFSCORRUPTED; \ |
| a844f451 NS |
51 | goto l; \ |
| 52 | } \ | |
| 53 | } | |
| 54 | ||
| 5fb5aeee | 55 | #define XFS_WANT_CORRUPTED_RETURN(mp, x) \ |
| a844f451 NS |
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", \ | |
| 5fb5aeee | 61 | XFS_ERRLEVEL_LOW, mp); \ |
| 2451337d | 62 | return -EFSCORRUPTED; \ |
| a844f451 NS |
63 | } \ |
| 64 | } | |
| 65 | ||
| 1550d0b0 | 66 | #ifdef DEBUG |
| 31965ef3 DW |
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); | |
| 9e24cfd0 | 71 | #define XFS_TEST_ERROR(expr, mp, tag) \ |
| 31965ef3 | 72 | ((expr) || xfs_errortag_test((mp), #expr, __FILE__, __LINE__, (tag))) |
| 1da177e4 | 73 | |
| c6840101 | 74 | extern int xfs_errortag_get(struct xfs_mount *mp, unsigned int error_tag); |
| 31965ef3 DW |
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); | |
| 1da177e4 | 79 | #else |
| 31965ef3 DW |
80 | #define xfs_errortag_init(mp) (0) |
| 81 | #define xfs_errortag_del(mp) | |
| 9e24cfd0 | 82 | #define XFS_TEST_ERROR(expr, mp, tag) (expr) |
| 31965ef3 DW |
83 | #define xfs_errortag_set(mp, tag, val) (ENOSYS) |
| 84 | #define xfs_errortag_add(mp, tag) (ENOSYS) | |
| 85 | #define xfs_errortag_clearall(mp) (ENOSYS) | |
| 1550d0b0 | 86 | #endif /* DEBUG */ |
| 1da177e4 LT |
87 | |
| 88 | /* | |
| 6a19d939 DC |
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. | |
| 1da177e4 LT |
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 | |
| 572d95f4 | 100 | #define XFS_PTAG_FSBLOCK_ZERO 0x00000080 |
| d519da41 | 101 | #define XFS_PTAG_VERIFIER_ERROR 0x00000100 |
| 1da177e4 | 102 | |
| 1da177e4 | 103 | #endif /* __XFS_ERROR_H__ */ |