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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 | // 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, const void *buf, size_t bufsize, const char *filename, int linenum, xfs_failaddr_t failaddr); void xfs_buf_corruption_error(struct xfs_buf *bp, xfs_failaddr_t fa); extern void xfs_buf_verifier_error(struct xfs_buf *bp, int error, const char *name, const 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, const 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) #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))) bool xfs_errortag_enabled(struct xfs_mount *mp, unsigned int tag); #define XFS_ERRORTAG_DELAY(mp, tag) \ do { \ might_sleep(); \ if (!xfs_errortag_enabled((mp), (tag))) \ break; \ xfs_warn_ratelimited((mp), \ "Injecting %ums delay at file %s, line %d, on filesystem \"%s\"", \ (mp)->m_errortag[(tag)], __FILE__, __LINE__, \ (mp)->m_super->s_id); \ mdelay((mp)->m_errortag[(tag)]); \ } while (0) 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_DELAY(mp, tag) ((void)0) #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 fs.xfs.panic_mask in a sysctl. */ #define XFS_NO_PTAG 0u #define XFS_PTAG_IFLUSH (1u << 0) #define XFS_PTAG_LOGRES (1u << 1) #define XFS_PTAG_AILDELETE (1u << 2) #define XFS_PTAG_ERROR_REPORT (1u << 3) #define XFS_PTAG_SHUTDOWN_CORRUPT (1u << 4) #define XFS_PTAG_SHUTDOWN_IOERROR (1u << 5) #define XFS_PTAG_SHUTDOWN_LOGERROR (1u << 6) #define XFS_PTAG_FSBLOCK_ZERO (1u << 7) #define XFS_PTAG_VERIFIER_ERROR (1u << 8) #define XFS_PTAG_MASK (XFS_PTAG_IFLUSH | \ XFS_PTAG_LOGRES | \ XFS_PTAG_AILDELETE | \ XFS_PTAG_ERROR_REPORT | \ XFS_PTAG_SHUTDOWN_CORRUPT | \ XFS_PTAG_SHUTDOWN_IOERROR | \ XFS_PTAG_SHUTDOWN_LOGERROR | \ XFS_PTAG_FSBLOCK_ZERO | \ XFS_PTAG_VERIFIER_ERROR) #define XFS_PTAG_STRINGS \ { XFS_NO_PTAG, "none" }, \ { XFS_PTAG_IFLUSH, "iflush" }, \ { XFS_PTAG_LOGRES, "logres" }, \ { XFS_PTAG_AILDELETE, "aildelete" }, \ { XFS_PTAG_ERROR_REPORT , "error_report" }, \ { XFS_PTAG_SHUTDOWN_CORRUPT, "corrupt" }, \ { XFS_PTAG_SHUTDOWN_IOERROR, "ioerror" }, \ { XFS_PTAG_SHUTDOWN_LOGERROR, "logerror" }, \ { XFS_PTAG_FSBLOCK_ZERO, "fsb_zero" }, \ { XFS_PTAG_VERIFIER_ERROR, "verifier" } #endif /* __XFS_ERROR_H__ */ |