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1// SPDX-License-Identifier: GPL-2.02/*3 * Copyright (c) 2000-2002,2005 Silicon Graphics, Inc.4 * All Rights Reserved.5 */6#ifndef __XFS_ERROR_H__7#define __XFS_ERROR_H__8 9struct xfs_mount;10 11extern void xfs_error_report(const char *tag, int level, struct xfs_mount *mp,12 const char *filename, int linenum,13 xfs_failaddr_t failaddr);14extern 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);18void xfs_buf_corruption_error(struct xfs_buf *bp, xfs_failaddr_t fa);19extern 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);22extern void xfs_verifier_error(struct xfs_buf *bp, int error,23 xfs_failaddr_t failaddr);24extern 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);27 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)33 34#define XFS_ERRLEVEL_OFF 035#define XFS_ERRLEVEL_LOW 136#define XFS_ERRLEVEL_HIGH 537 38/* Dump 128 bytes of any corrupt buffer */39#define XFS_CORRUPTION_DUMP_LEN (128)40 41#ifdef DEBUG42extern int xfs_errortag_init(struct xfs_mount *mp);43extern void xfs_errortag_del(struct xfs_mount *mp);44extern bool xfs_errortag_test(struct xfs_mount *mp, const char *expression,45 const char *file, int line, unsigned int error_tag);46#define XFS_TEST_ERROR(expr, mp, tag) \47 ((expr) || xfs_errortag_test((mp), #expr, __FILE__, __LINE__, (tag)))48bool 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)60 61extern int xfs_errortag_get(struct xfs_mount *mp, unsigned int error_tag);62extern int xfs_errortag_set(struct xfs_mount *mp, unsigned int error_tag,63 unsigned int tag_value);64extern int xfs_errortag_add(struct xfs_mount *mp, unsigned int error_tag);65extern int xfs_errortag_clearall(struct xfs_mount *mp);66#else67#define xfs_errortag_init(mp) (0)68#define xfs_errortag_del(mp)69#define XFS_TEST_ERROR(expr, mp, tag) (expr)70#define XFS_ERRORTAG_DELAY(mp, tag) ((void)0)71#define xfs_errortag_set(mp, tag, val) (ENOSYS)72#define xfs_errortag_add(mp, tag) (ENOSYS)73#define xfs_errortag_clearall(mp) (ENOSYS)74#endif /* DEBUG */75 76/*77 * XFS panic tags -- allow a call to xfs_alert_tag() be turned into78 * a panic by setting fs.xfs.panic_mask in a sysctl.79 */80#define XFS_NO_PTAG 0u81#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)90 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)100 101#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" }112 113#endif /* __XFS_ERROR_H__ */114