--- /dev/null
+/*
+ * 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, inst_t *ra);
+extern void xfs_corruption_error(const char *tag, int level,
+ struct xfs_mount *mp, void *p, const char *filename,
+ int linenum, inst_t *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; \
+ } \
+ }
+
+/*
+ * error injection tags - the labels can be anything you want
+ * but each tag should have its own unique number
+ */
+
+#define XFS_ERRTAG_NOERROR 0
+#define XFS_ERRTAG_IFLUSH_1 1
+#define XFS_ERRTAG_IFLUSH_2 2
+#define XFS_ERRTAG_IFLUSH_3 3
+#define XFS_ERRTAG_IFLUSH_4 4
+#define XFS_ERRTAG_IFLUSH_5 5
+#define XFS_ERRTAG_IFLUSH_6 6
+#define XFS_ERRTAG_DA_READ_BUF 7
+#define XFS_ERRTAG_BTREE_CHECK_LBLOCK 8
+#define XFS_ERRTAG_BTREE_CHECK_SBLOCK 9
+#define XFS_ERRTAG_ALLOC_READ_AGF 10
+#define XFS_ERRTAG_IALLOC_READ_AGI 11
+#define XFS_ERRTAG_ITOBP_INOTOBP 12
+#define XFS_ERRTAG_IUNLINK 13
+#define XFS_ERRTAG_IUNLINK_REMOVE 14
+#define XFS_ERRTAG_DIR_INO_VALIDATE 15
+#define XFS_ERRTAG_BULKSTAT_READ_CHUNK 16
+#define XFS_ERRTAG_IODONE_IOERR 17
+#define XFS_ERRTAG_STRATREAD_IOERR 18
+#define XFS_ERRTAG_STRATCMPL_IOERR 19
+#define XFS_ERRTAG_DIOWRITE_IOERR 20
+#define XFS_ERRTAG_BMAPIFORMAT 21
+#define XFS_ERRTAG_MAX 22
+
+/*
+ * Random factors for above tags, 1 means always, 2 means 1/2 time, etc.
+ */
+#define XFS_RANDOM_DEFAULT 100
+#define XFS_RANDOM_IFLUSH_1 XFS_RANDOM_DEFAULT
+#define XFS_RANDOM_IFLUSH_2 XFS_RANDOM_DEFAULT
+#define XFS_RANDOM_IFLUSH_3 XFS_RANDOM_DEFAULT
+#define XFS_RANDOM_IFLUSH_4 XFS_RANDOM_DEFAULT
+#define XFS_RANDOM_IFLUSH_5 XFS_RANDOM_DEFAULT
+#define XFS_RANDOM_IFLUSH_6 XFS_RANDOM_DEFAULT
+#define XFS_RANDOM_DA_READ_BUF XFS_RANDOM_DEFAULT
+#define XFS_RANDOM_BTREE_CHECK_LBLOCK (XFS_RANDOM_DEFAULT/4)
+#define XFS_RANDOM_BTREE_CHECK_SBLOCK XFS_RANDOM_DEFAULT
+#define XFS_RANDOM_ALLOC_READ_AGF XFS_RANDOM_DEFAULT
+#define XFS_RANDOM_IALLOC_READ_AGI XFS_RANDOM_DEFAULT
+#define XFS_RANDOM_ITOBP_INOTOBP XFS_RANDOM_DEFAULT
+#define XFS_RANDOM_IUNLINK XFS_RANDOM_DEFAULT
+#define XFS_RANDOM_IUNLINK_REMOVE XFS_RANDOM_DEFAULT
+#define XFS_RANDOM_DIR_INO_VALIDATE XFS_RANDOM_DEFAULT
+#define XFS_RANDOM_BULKSTAT_READ_CHUNK XFS_RANDOM_DEFAULT
+#define XFS_RANDOM_IODONE_IOERR (XFS_RANDOM_DEFAULT/10)
+#define XFS_RANDOM_STRATREAD_IOERR (XFS_RANDOM_DEFAULT/10)
+#define XFS_RANDOM_STRATCMPL_IOERR (XFS_RANDOM_DEFAULT/10)
+#define XFS_RANDOM_DIOWRITE_IOERR (XFS_RANDOM_DEFAULT/10)
+#define XFS_RANDOM_BMAPIFORMAT XFS_RANDOM_DEFAULT
+
+#ifdef DEBUG
+extern int xfs_error_test_active;
+extern int xfs_error_test(int, int *, char *, int, char *, unsigned long);
+
+#define XFS_NUM_INJECT_ERROR 10
+#define XFS_TEST_ERROR(expr, mp, tag, rf) \
+ ((expr) || (xfs_error_test_active && \
+ xfs_error_test((tag), (mp)->m_fixedfsid, "expr", __LINE__, __FILE__, \
+ (rf))))
+
+extern int xfs_errortag_add(int error_tag, struct xfs_mount *mp);
+extern int xfs_errortag_clearall(struct xfs_mount *mp, int loud);
+#else
+#define XFS_TEST_ERROR(expr, mp, tag, rf) (expr)
+#define xfs_errortag_add(tag, mp) (ENOSYS)
+#define xfs_errortag_clearall(mp, loud) (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__ */
Code Review / kvmfornfv.git / blobdiff