projects / linux-block.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, |
| d243b89a | 15 | struct xfs_mount *mp, const void *buf, size_t bufsize, |
| 2551a530 DW |
16 | const char *filename, int linenum, |
| 17 | xfs_failaddr_t failaddr); | |
| e83cf875 | 18 | void xfs_buf_corruption_error(struct xfs_buf *bp, xfs_failaddr_t fa); |
| 6edb1810 | 19 | extern void xfs_buf_verifier_error(struct xfs_buf *bp, int error, |
| d243b89a | 20 | const char *name, const void *buf, size_t bufsz, |
| 6edb1810 | 21 | xfs_failaddr_t failaddr); |
| bc1a09b8 DW |
22 | extern void xfs_verifier_error(struct xfs_buf *bp, int error, |
| 23 | xfs_failaddr_t failaddr); | |
| 22431bf3 | 24 | extern void xfs_inode_verifier_error(struct xfs_inode *ip, int error, |
| d243b89a | 25 | const char *name, const void *buf, size_t bufsz, |
| 22431bf3 | 26 | xfs_failaddr_t failaddr); |
| 1da177e4 | 27 | |
| 1da177e4 LT |
28 | #define XFS_ERROR_REPORT(e, lvl, mp) \ |
| 29 | xfs_error_report(e, lvl, mp, __FILE__, __LINE__, __return_address) | |
| 2551a530 DW |
30 | #define XFS_CORRUPTION_ERROR(e, lvl, mp, buf, bufsize) \ |
| 31 | xfs_corruption_error(e, lvl, mp, buf, bufsize, \ | |
| 1da177e4 LT |
32 | __FILE__, __LINE__, __return_address) |
| 33 | ||
| 34 | #define XFS_ERRLEVEL_OFF 0 | |
| 35 | #define XFS_ERRLEVEL_LOW 1 | |
| 36 | #define XFS_ERRLEVEL_HIGH 5 | |
| 37 | ||
| 9c712a13 DW |
38 | /* Dump 128 bytes of any corrupt buffer */ |
| 39 | #define XFS_CORRUPTION_DUMP_LEN (128) | |
| 40 | ||
| 1550d0b0 | 41 | #ifdef DEBUG |
| 31965ef3 DW |
42 | extern int xfs_errortag_init(struct xfs_mount *mp); |
| 43 | extern void xfs_errortag_del(struct xfs_mount *mp); | |
| 44 | extern bool xfs_errortag_test(struct xfs_mount *mp, const char *expression, | |
| 45 | const char *file, int line, unsigned int error_tag); | |
| 9e24cfd0 | 46 | #define XFS_TEST_ERROR(expr, mp, tag) \ |
| 31965ef3 | 47 | ((expr) || xfs_errortag_test((mp), #expr, __FILE__, __LINE__, (tag))) |
| c2beff99 DW |
48 | bool xfs_errortag_enabled(struct xfs_mount *mp, unsigned int tag); |
| 49 | #define XFS_ERRORTAG_DELAY(mp, tag) \ | |
| 50 | do { \ | |
| 51 | might_sleep(); \ | |
| 52 | if (!xfs_errortag_enabled((mp), (tag))) \ | |
| 53 | break; \ | |
| 54 | xfs_warn_ratelimited((mp), \ | |
| 55 | "Injecting %ums delay at file %s, line %d, on filesystem \"%s\"", \ | |
| 56 | (mp)->m_errortag[(tag)], __FILE__, __LINE__, \ | |
| 57 | (mp)->m_super->s_id); \ | |
| 58 | mdelay((mp)->m_errortag[(tag)]); \ | |
| 59 | } while (0) | |
| 1da177e4 | 60 | |
| c6840101 | 61 | extern int xfs_errortag_get(struct xfs_mount *mp, unsigned int error_tag); |
| 31965ef3 DW |
62 | extern int xfs_errortag_set(struct xfs_mount *mp, unsigned int error_tag, |
| 63 | unsigned int tag_value); | |
| 64 | extern int xfs_errortag_add(struct xfs_mount *mp, unsigned int error_tag); | |
| 65 | extern int xfs_errortag_clearall(struct xfs_mount *mp); | |
| 1da177e4 | 66 | #else |
| 31965ef3 DW |
67 | #define xfs_errortag_init(mp) (0) |
| 68 | #define xfs_errortag_del(mp) | |
| 9e24cfd0 | 69 | #define XFS_TEST_ERROR(expr, mp, tag) (expr) |
| c2beff99 | 70 | #define XFS_ERRORTAG_DELAY(mp, tag) ((void)0) |
| 31965ef3 DW |
71 | #define xfs_errortag_set(mp, tag, val) (ENOSYS) |
| 72 | #define xfs_errortag_add(mp, tag) (ENOSYS) | |
| 73 | #define xfs_errortag_clearall(mp) (ENOSYS) | |
| 1550d0b0 | 74 | #endif /* DEBUG */ |
| 1da177e4 LT |
75 | |
| 76 | /* | |
| 6a19d939 | 77 | * XFS panic tags -- allow a call to xfs_alert_tag() be turned into |
| 167ce4cb | 78 | * a panic by setting fs.xfs.panic_mask in a sysctl. |
| 1da177e4 | 79 | */ |
| 90215d74 DC |
80 | #define XFS_NO_PTAG 0u |
| 81 | #define XFS_PTAG_IFLUSH (1u << 0) | |
| 82 | #define XFS_PTAG_LOGRES (1u << 1) | |
| 83 | #define XFS_PTAG_AILDELETE (1u << 2) | |
| 84 | #define XFS_PTAG_ERROR_REPORT (1u << 3) | |
| 85 | #define XFS_PTAG_SHUTDOWN_CORRUPT (1u << 4) | |
| 86 | #define XFS_PTAG_SHUTDOWN_IOERROR (1u << 5) | |
| 87 | #define XFS_PTAG_SHUTDOWN_LOGERROR (1u << 6) | |
| 88 | #define XFS_PTAG_FSBLOCK_ZERO (1u << 7) | |
| 89 | #define XFS_PTAG_VERIFIER_ERROR (1u << 8) | |
| 1da177e4 | 90 | |
| 167ce4cb DD |
91 | #define XFS_PTAG_MASK (XFS_PTAG_IFLUSH | \ |
| 92 | XFS_PTAG_LOGRES | \ | |
| 93 | XFS_PTAG_AILDELETE | \ | |
| 94 | XFS_PTAG_ERROR_REPORT | \ | |
| 95 | XFS_PTAG_SHUTDOWN_CORRUPT | \ | |
| 96 | XFS_PTAG_SHUTDOWN_IOERROR | \ | |
| 97 | XFS_PTAG_SHUTDOWN_LOGERROR | \ | |
| 98 | XFS_PTAG_FSBLOCK_ZERO | \ | |
| 99 | XFS_PTAG_VERIFIER_ERROR) | |
| 100 | ||
| 7f89c838 DW |
101 | #define XFS_PTAG_STRINGS \ |
| 102 | { XFS_NO_PTAG, "none" }, \ | |
| 103 | { XFS_PTAG_IFLUSH, "iflush" }, \ | |
| 104 | { XFS_PTAG_LOGRES, "logres" }, \ | |
| 105 | { XFS_PTAG_AILDELETE, "aildelete" }, \ | |
| 106 | { XFS_PTAG_ERROR_REPORT , "error_report" }, \ | |
| 107 | { XFS_PTAG_SHUTDOWN_CORRUPT, "corrupt" }, \ | |
| 108 | { XFS_PTAG_SHUTDOWN_IOERROR, "ioerror" }, \ | |
| 109 | { XFS_PTAG_SHUTDOWN_LOGERROR, "logerror" }, \ | |
| 110 | { XFS_PTAG_FSBLOCK_ZERO, "fsb_zero" }, \ | |
| 111 | { XFS_PTAG_VERIFIER_ERROR, "verifier" } | |
| 112 | ||
| 1da177e4 | 113 | #endif /* __XFS_ERROR_H__ */ |