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- /*
- * Copyright (c) 2000-2002,2005 Silicon Graphics, Inc.
- * All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it would be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- */
- #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, void *ra);
- extern void xfs_corruption_error(const char *tag, int level,
- struct xfs_mount *mp, void *p, const char *filename,
- int linenum, void *ra);
- extern void xfs_verifier_error(struct xfs_buf *bp);
- #define XFS_ERROR_REPORT(e, lvl, mp) \
- xfs_error_report(e, lvl, mp, __FILE__, __LINE__, __return_address)
- #define XFS_CORRUPTION_ERROR(e, lvl, mp, mem) \
- xfs_corruption_error(e, lvl, mp, mem, \
- __FILE__, __LINE__, __return_address)
- #define XFS_ERRLEVEL_OFF 0
- #define XFS_ERRLEVEL_LOW 1
- #define XFS_ERRLEVEL_HIGH 5
- /*
- * 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__ */
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