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Diffstat (limited to 'fs/xfs/xfs_error.h')
| -rw-r--r-- | fs/xfs/xfs_error.h | 196 |
1 files changed, 196 insertions, 0 deletions
diff --git a/fs/xfs/xfs_error.h b/fs/xfs/xfs_error.h new file mode 100644 index 000000000000..6bc0535c0a65 --- /dev/null +++ b/fs/xfs/xfs_error.h @@ -0,0 +1,196 @@ +/* + * Copyright (c) 2000-2002 Silicon Graphics, Inc. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of version 2 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. + * + * Further, this software is distributed without any warranty that it is + * free of the rightful claim of any third person regarding infringement + * or the like. Any license provided herein, whether implied or + * otherwise, applies only to this software file. Patent licenses, if + * any, provided herein do not apply to combinations of this program with + * other software, or any other product whatsoever. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write the Free Software Foundation, Inc., 59 + * Temple Place - Suite 330, Boston MA 02111-1307, USA. + * + * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy, + * Mountain View, CA 94043, or: + * + * http://www.sgi.com + * + * For further information regarding this notice, see: + * + * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/ + */ +#ifndef __XFS_ERROR_H__ +#define __XFS_ERROR_H__ + +#define prdev(fmt,targ,args...) \ + printk("XFS: device %s- " fmt "\n", XFS_BUFTARG_NAME(targ), ## args) + +#define XFS_ERECOVER 1 /* Failure to recover log */ +#define XFS_ELOGSTAT 2 /* Failure to stat log in user space */ +#define XFS_ENOLOGSPACE 3 /* Reservation too large */ +#define XFS_ENOTSUP 4 /* Operation not supported */ +#define XFS_ENOLSN 5 /* Can't find the lsn you asked for */ +#define XFS_ENOTFOUND 6 +#define XFS_ENOTXFS 7 /* Not XFS filesystem */ + +#ifdef DEBUG +#define XFS_ERROR_NTRAP 10 +extern int xfs_etrap[XFS_ERROR_NTRAP]; +extern int xfs_error_trap(int); +#define XFS_ERROR(e) xfs_error_trap(e) +#else +#define XFS_ERROR(e) (e) +#endif + +struct xfs_mount; + +extern void +xfs_error_report( + char *tag, + int level, + struct xfs_mount *mp, + char *fname, + int linenum, + inst_t *ra); + +extern void +xfs_corruption_error( + char *tag, + int level, + struct xfs_mount *mp, + void *p, + char *fname, + int linenum, + inst_t *ra); + +extern void +xfs_hex_dump(void *p, int length); + +#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 + +/* + * 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 + +#if (defined(DEBUG) || defined(INDUCE_IO_ERROR)) +extern int xfs_error_test(int, int *, char *, int, char *, unsigned long); +void xfs_error_test_init(void); + +#define XFS_NUM_INJECT_ERROR 10 + +#ifdef __ANSI_CPP__ +#define XFS_TEST_ERROR(expr, mp, tag, rf) \ + ((expr) || \ + xfs_error_test((tag), (mp)->m_fixedfsid, #expr, __LINE__, __FILE__, \ + (rf))) +#else +#define XFS_TEST_ERROR(expr, mp, tag, rf) \ + ((expr) || \ + xfs_error_test((tag), (mp)->m_fixedfsid, "expr", __LINE__, __FILE__, \ + (rf))) +#endif /* __ANSI_CPP__ */ + +int xfs_errortag_add(int error_tag, xfs_mount_t *mp); +int xfs_errortag_clear(int error_tag, xfs_mount_t *mp); + +int xfs_errortag_clearall(xfs_mount_t *mp); +int xfs_errortag_clearall_umount(int64_t fsid, char *fsname, + int loud); +#else +#define XFS_TEST_ERROR(expr, mp, tag, rf) (expr) +#define xfs_errortag_add(tag, mp) (ENOSYS) +#define xfs_errortag_clearall(mp) (ENOSYS) +#endif /* (DEBUG || INDUCE_IO_ERROR) */ + +/* + * XFS panic tags -- allow a call to xfs_cmn_err() be turned into + * a panic by setting xfs_panic_mask in a + * sysctl. update xfs_max[XFS_PARAM] if + * more are added. + */ +#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 + +struct xfs_mount; +/* PRINTFLIKE4 */ +void xfs_cmn_err(int panic_tag, int level, struct xfs_mount *mp, + char *fmt, ...); +/* PRINTFLIKE3 */ +void xfs_fs_cmn_err(int level, struct xfs_mount *mp, char *fmt, ...); + +#endif /* __XFS_ERROR_H__ */ |