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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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e83cf875d6
Add a xfs_failaddr_t parameter to this function so that callers can potentially pass in (and therefore report) the exact point in the code where we decided that a metadata buffer was corrupt. This enables us to wire it up to checking functions that have to run outside of verifiers. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Dave Chinner <dchinner@redhat.com>
79 lines
2.9 KiB
C
79 lines
2.9 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (c) 2000-2002,2005 Silicon Graphics, Inc.
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* All Rights Reserved.
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*/
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#ifndef __XFS_ERROR_H__
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#define __XFS_ERROR_H__
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struct xfs_mount;
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extern void xfs_error_report(const char *tag, int level, struct xfs_mount *mp,
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const char *filename, int linenum,
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xfs_failaddr_t failaddr);
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extern void xfs_corruption_error(const char *tag, int level,
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struct xfs_mount *mp, const void *buf, size_t bufsize,
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const char *filename, int linenum,
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xfs_failaddr_t failaddr);
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void xfs_buf_corruption_error(struct xfs_buf *bp, xfs_failaddr_t fa);
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extern void xfs_buf_verifier_error(struct xfs_buf *bp, int error,
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const char *name, const void *buf, size_t bufsz,
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xfs_failaddr_t failaddr);
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extern void xfs_verifier_error(struct xfs_buf *bp, int error,
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xfs_failaddr_t failaddr);
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extern void xfs_inode_verifier_error(struct xfs_inode *ip, int error,
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const char *name, const void *buf, size_t bufsz,
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xfs_failaddr_t failaddr);
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#define XFS_ERROR_REPORT(e, lvl, mp) \
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xfs_error_report(e, lvl, mp, __FILE__, __LINE__, __return_address)
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#define XFS_CORRUPTION_ERROR(e, lvl, mp, buf, bufsize) \
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xfs_corruption_error(e, lvl, mp, buf, bufsize, \
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__FILE__, __LINE__, __return_address)
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#define XFS_ERRLEVEL_OFF 0
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#define XFS_ERRLEVEL_LOW 1
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#define XFS_ERRLEVEL_HIGH 5
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/* Dump 128 bytes of any corrupt buffer */
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#define XFS_CORRUPTION_DUMP_LEN (128)
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#ifdef DEBUG
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extern int xfs_errortag_init(struct xfs_mount *mp);
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extern void xfs_errortag_del(struct xfs_mount *mp);
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extern bool xfs_errortag_test(struct xfs_mount *mp, const char *expression,
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const char *file, int line, unsigned int error_tag);
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#define XFS_TEST_ERROR(expr, mp, tag) \
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((expr) || xfs_errortag_test((mp), #expr, __FILE__, __LINE__, (tag)))
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extern int xfs_errortag_get(struct xfs_mount *mp, unsigned int error_tag);
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extern int xfs_errortag_set(struct xfs_mount *mp, unsigned int error_tag,
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unsigned int tag_value);
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extern int xfs_errortag_add(struct xfs_mount *mp, unsigned int error_tag);
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extern int xfs_errortag_clearall(struct xfs_mount *mp);
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#else
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#define xfs_errortag_init(mp) (0)
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#define xfs_errortag_del(mp)
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#define XFS_TEST_ERROR(expr, mp, tag) (expr)
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#define xfs_errortag_set(mp, tag, val) (ENOSYS)
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#define xfs_errortag_add(mp, tag) (ENOSYS)
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#define xfs_errortag_clearall(mp) (ENOSYS)
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#endif /* DEBUG */
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/*
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* XFS panic tags -- allow a call to xfs_alert_tag() be turned into
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* a panic by setting xfs_panic_mask in a sysctl.
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*/
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#define XFS_NO_PTAG 0
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#define XFS_PTAG_IFLUSH 0x00000001
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#define XFS_PTAG_LOGRES 0x00000002
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#define XFS_PTAG_AILDELETE 0x00000004
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#define XFS_PTAG_ERROR_REPORT 0x00000008
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#define XFS_PTAG_SHUTDOWN_CORRUPT 0x00000010
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#define XFS_PTAG_SHUTDOWN_IOERROR 0x00000020
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#define XFS_PTAG_SHUTDOWN_LOGERROR 0x00000040
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#define XFS_PTAG_FSBLOCK_ZERO 0x00000080
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#define XFS_PTAG_VERIFIER_ERROR 0x00000100
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#endif /* __XFS_ERROR_H__ */
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