| // SPDX-License-Identifier: GPL-2.0 |
| /* |
| * Copyright (c) 2000-2002,2005 Silicon Graphics, Inc. |
| * All Rights Reserved. |
| */ |
| #ifndef __XFS_ERROR_H__ |
| #define __XFS_ERROR_H__ |
| |
| struct xfs_mount; |
| |
| extern void xfs_error_report(const char *tag, int level, struct xfs_mount *mp, |
| const char *filename, int linenum, |
| xfs_failaddr_t failaddr); |
| extern void xfs_corruption_error(const char *tag, int level, |
| struct xfs_mount *mp, void *buf, size_t bufsize, |
| const char *filename, int linenum, |
| xfs_failaddr_t failaddr); |
| extern void xfs_buf_verifier_error(struct xfs_buf *bp, int error, |
| const char *name, void *buf, size_t bufsz, |
| xfs_failaddr_t failaddr); |
| extern void xfs_verifier_error(struct xfs_buf *bp, int error, |
| xfs_failaddr_t failaddr); |
| extern void xfs_inode_verifier_error(struct xfs_inode *ip, int error, |
| const char *name, void *buf, size_t bufsz, |
| xfs_failaddr_t failaddr); |
| |
| #define XFS_ERROR_REPORT(e, lvl, mp) \ |
| xfs_error_report(e, lvl, mp, __FILE__, __LINE__, __return_address) |
| #define XFS_CORRUPTION_ERROR(e, lvl, mp, buf, bufsize) \ |
| xfs_corruption_error(e, lvl, mp, buf, bufsize, \ |
| __FILE__, __LINE__, __return_address) |
| |
| #define XFS_ERRLEVEL_OFF 0 |
| #define XFS_ERRLEVEL_LOW 1 |
| #define XFS_ERRLEVEL_HIGH 5 |
| |
| /* Dump 128 bytes of any corrupt buffer */ |
| #define XFS_CORRUPTION_DUMP_LEN (128) |
| |
| /* |
| * Macros to set EFSCORRUPTED & return/branch. |
| */ |
| #define XFS_WANT_CORRUPTED_GOTO(mp, x, l) \ |
| { \ |
| int fs_is_ok = (x); \ |
| ASSERT(fs_is_ok); \ |
| if (unlikely(!fs_is_ok)) { \ |
| XFS_ERROR_REPORT("XFS_WANT_CORRUPTED_GOTO", \ |
| XFS_ERRLEVEL_LOW, mp); \ |
| error = -EFSCORRUPTED; \ |
| goto l; \ |
| } \ |
| } |
| |
| #define XFS_WANT_CORRUPTED_RETURN(mp, x) \ |
| { \ |
| int fs_is_ok = (x); \ |
| ASSERT(fs_is_ok); \ |
| if (unlikely(!fs_is_ok)) { \ |
| XFS_ERROR_REPORT("XFS_WANT_CORRUPTED_RETURN", \ |
| XFS_ERRLEVEL_LOW, mp); \ |
| return -EFSCORRUPTED; \ |
| } \ |
| } |
| |
| #ifdef DEBUG |
| extern int xfs_errortag_init(struct xfs_mount *mp); |
| extern void xfs_errortag_del(struct xfs_mount *mp); |
| extern bool xfs_errortag_test(struct xfs_mount *mp, const char *expression, |
| const char *file, int line, unsigned int error_tag); |
| #define XFS_TEST_ERROR(expr, mp, tag) \ |
| ((expr) || xfs_errortag_test((mp), #expr, __FILE__, __LINE__, (tag))) |
| |
| extern int xfs_errortag_get(struct xfs_mount *mp, unsigned int error_tag); |
| extern int xfs_errortag_set(struct xfs_mount *mp, unsigned int error_tag, |
| unsigned int tag_value); |
| extern int xfs_errortag_add(struct xfs_mount *mp, unsigned int error_tag); |
| extern int xfs_errortag_clearall(struct xfs_mount *mp); |
| #else |
| #define xfs_errortag_init(mp) (0) |
| #define xfs_errortag_del(mp) |
| #define XFS_TEST_ERROR(expr, mp, tag) (expr) |
| #define xfs_errortag_set(mp, tag, val) (ENOSYS) |
| #define xfs_errortag_add(mp, tag) (ENOSYS) |
| #define xfs_errortag_clearall(mp) (ENOSYS) |
| #endif /* DEBUG */ |
| |
| /* |
| * XFS panic tags -- allow a call to xfs_alert_tag() be turned into |
| * a panic by setting xfs_panic_mask in a sysctl. |
| */ |
| #define XFS_NO_PTAG 0 |
| #define XFS_PTAG_IFLUSH 0x00000001 |
| #define XFS_PTAG_LOGRES 0x00000002 |
| #define XFS_PTAG_AILDELETE 0x00000004 |
| #define XFS_PTAG_ERROR_REPORT 0x00000008 |
| #define XFS_PTAG_SHUTDOWN_CORRUPT 0x00000010 |
| #define XFS_PTAG_SHUTDOWN_IOERROR 0x00000020 |
| #define XFS_PTAG_SHUTDOWN_LOGERROR 0x00000040 |
| #define XFS_PTAG_FSBLOCK_ZERO 0x00000080 |
| |
| #endif /* __XFS_ERROR_H__ */ |