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6edb181053
When the inode buffer verifier encounters an error, it's much more helpful to print a buffer from the offending inode instead of just the start of the inode chunk buffer. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Brian Foster <bfoster@redhat.com>
114 lines
3.8 KiB
C
114 lines
3.8 KiB
C
/*
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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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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it would be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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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, void *p, const char *filename,
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int linenum, xfs_failaddr_t failaddr);
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extern void xfs_buf_verifier_error(struct xfs_buf *bp, int error,
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const char *name, 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, 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, mem) \
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xfs_corruption_error(e, lvl, mp, mem, \
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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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/*
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* Macros to set EFSCORRUPTED & return/branch.
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*/
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#define XFS_WANT_CORRUPTED_GOTO(mp, x, l) \
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{ \
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int fs_is_ok = (x); \
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ASSERT(fs_is_ok); \
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if (unlikely(!fs_is_ok)) { \
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XFS_ERROR_REPORT("XFS_WANT_CORRUPTED_GOTO", \
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XFS_ERRLEVEL_LOW, mp); \
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error = -EFSCORRUPTED; \
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goto l; \
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} \
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}
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#define XFS_WANT_CORRUPTED_RETURN(mp, x) \
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{ \
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int fs_is_ok = (x); \
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ASSERT(fs_is_ok); \
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if (unlikely(!fs_is_ok)) { \
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XFS_ERROR_REPORT("XFS_WANT_CORRUPTED_RETURN", \
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XFS_ERRLEVEL_LOW, mp); \
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return -EFSCORRUPTED; \
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} \
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}
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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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#endif /* __XFS_ERROR_H__ */
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