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diff --git a/fs/xfs/xfs_error.h b/fs/xfs/xfs_error.h
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1/*
2 * Copyright (c) 2000-2002 Silicon Graphics, Inc. All Rights Reserved.
3 *
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms of version 2 of the GNU General Public License as
6 * published by the Free Software Foundation.
7 *
8 * This program is distributed in the hope that it would be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
11 *
12 * Further, this software is distributed without any warranty that it is
13 * free of the rightful claim of any third person regarding infringement
14 * or the like. Any license provided herein, whether implied or
15 * otherwise, applies only to this software file. Patent licenses, if
16 * any, provided herein do not apply to combinations of this program with
17 * other software, or any other product whatsoever.
18 *
19 * You should have received a copy of the GNU General Public License along
20 * with this program; if not, write the Free Software Foundation, Inc., 59
21 * Temple Place - Suite 330, Boston MA 02111-1307, USA.
22 *
23 * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
24 * Mountain View, CA 94043, or:
25 *
26 * http://www.sgi.com
27 *
28 * For further information regarding this notice, see:
29 *
30 * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
31 */
32#ifndef __XFS_ERROR_H__
33#define __XFS_ERROR_H__
34
35#define prdev(fmt,targ,args...) \
36 printk("XFS: device %s- " fmt "\n", XFS_BUFTARG_NAME(targ), ## args)
37
38#define XFS_ERECOVER 1 /* Failure to recover log */
39#define XFS_ELOGSTAT 2 /* Failure to stat log in user space */
40#define XFS_ENOLOGSPACE 3 /* Reservation too large */
41#define XFS_ENOTSUP 4 /* Operation not supported */
42#define XFS_ENOLSN 5 /* Can't find the lsn you asked for */
43#define XFS_ENOTFOUND 6
44#define XFS_ENOTXFS 7 /* Not XFS filesystem */
45
46#ifdef DEBUG
47#define XFS_ERROR_NTRAP 10
48extern int xfs_etrap[XFS_ERROR_NTRAP];
49extern int xfs_error_trap(int);
50#define XFS_ERROR(e) xfs_error_trap(e)
51#else
52#define XFS_ERROR(e) (e)
53#endif
54
55struct xfs_mount;
56
57extern void
58xfs_error_report(
59 char *tag,
60 int level,
61 struct xfs_mount *mp,
62 char *fname,
63 int linenum,
64 inst_t *ra);
65
66extern void
67xfs_corruption_error(
68 char *tag,
69 int level,
70 struct xfs_mount *mp,
71 void *p,
72 char *fname,
73 int linenum,
74 inst_t *ra);
75
76extern void
77xfs_hex_dump(void *p, int length);
78
79#define XFS_ERROR_REPORT(e, lvl, mp) \
80 xfs_error_report(e, lvl, mp, __FILE__, __LINE__, __return_address)
81#define XFS_CORRUPTION_ERROR(e, lvl, mp, mem) \
82 xfs_corruption_error(e, lvl, mp, mem, \
83 __FILE__, __LINE__, __return_address)
84
85#define XFS_ERRLEVEL_OFF 0
86#define XFS_ERRLEVEL_LOW 1
87#define XFS_ERRLEVEL_HIGH 5
88
89/*
90 * error injection tags - the labels can be anything you want
91 * but each tag should have its own unique number
92 */
93
94#define XFS_ERRTAG_NOERROR 0
95#define XFS_ERRTAG_IFLUSH_1 1
96#define XFS_ERRTAG_IFLUSH_2 2
97#define XFS_ERRTAG_IFLUSH_3 3
98#define XFS_ERRTAG_IFLUSH_4 4
99#define XFS_ERRTAG_IFLUSH_5 5
100#define XFS_ERRTAG_IFLUSH_6 6
101#define XFS_ERRTAG_DA_READ_BUF 7
102#define XFS_ERRTAG_BTREE_CHECK_LBLOCK 8
103#define XFS_ERRTAG_BTREE_CHECK_SBLOCK 9
104#define XFS_ERRTAG_ALLOC_READ_AGF 10
105#define XFS_ERRTAG_IALLOC_READ_AGI 11
106#define XFS_ERRTAG_ITOBP_INOTOBP 12
107#define XFS_ERRTAG_IUNLINK 13
108#define XFS_ERRTAG_IUNLINK_REMOVE 14
109#define XFS_ERRTAG_DIR_INO_VALIDATE 15
110#define XFS_ERRTAG_BULKSTAT_READ_CHUNK 16
111#define XFS_ERRTAG_IODONE_IOERR 17
112#define XFS_ERRTAG_STRATREAD_IOERR 18
113#define XFS_ERRTAG_STRATCMPL_IOERR 19
114#define XFS_ERRTAG_DIOWRITE_IOERR 20
115#define XFS_ERRTAG_BMAPIFORMAT 21
116#define XFS_ERRTAG_MAX 22
117
118/*
119 * Random factors for above tags, 1 means always, 2 means 1/2 time, etc.
120 */
121#define XFS_RANDOM_DEFAULT 100
122#define XFS_RANDOM_IFLUSH_1 XFS_RANDOM_DEFAULT
123#define XFS_RANDOM_IFLUSH_2 XFS_RANDOM_DEFAULT
124#define XFS_RANDOM_IFLUSH_3 XFS_RANDOM_DEFAULT
125#define XFS_RANDOM_IFLUSH_4 XFS_RANDOM_DEFAULT
126#define XFS_RANDOM_IFLUSH_5 XFS_RANDOM_DEFAULT
127#define XFS_RANDOM_IFLUSH_6 XFS_RANDOM_DEFAULT
128#define XFS_RANDOM_DA_READ_BUF XFS_RANDOM_DEFAULT
129#define XFS_RANDOM_BTREE_CHECK_LBLOCK (XFS_RANDOM_DEFAULT/4)
130#define XFS_RANDOM_BTREE_CHECK_SBLOCK XFS_RANDOM_DEFAULT
131#define XFS_RANDOM_ALLOC_READ_AGF XFS_RANDOM_DEFAULT
132#define XFS_RANDOM_IALLOC_READ_AGI XFS_RANDOM_DEFAULT
133#define XFS_RANDOM_ITOBP_INOTOBP XFS_RANDOM_DEFAULT
134#define XFS_RANDOM_IUNLINK XFS_RANDOM_DEFAULT
135#define XFS_RANDOM_IUNLINK_REMOVE XFS_RANDOM_DEFAULT
136#define XFS_RANDOM_DIR_INO_VALIDATE XFS_RANDOM_DEFAULT
137#define XFS_RANDOM_BULKSTAT_READ_CHUNK XFS_RANDOM_DEFAULT
138#define XFS_RANDOM_IODONE_IOERR (XFS_RANDOM_DEFAULT/10)
139#define XFS_RANDOM_STRATREAD_IOERR (XFS_RANDOM_DEFAULT/10)
140#define XFS_RANDOM_STRATCMPL_IOERR (XFS_RANDOM_DEFAULT/10)
141#define XFS_RANDOM_DIOWRITE_IOERR (XFS_RANDOM_DEFAULT/10)
142#define XFS_RANDOM_BMAPIFORMAT XFS_RANDOM_DEFAULT
143
144#if (defined(DEBUG) || defined(INDUCE_IO_ERROR))
145extern int xfs_error_test(int, int *, char *, int, char *, unsigned long);
146void xfs_error_test_init(void);
147
148#define XFS_NUM_INJECT_ERROR 10
149
150#ifdef __ANSI_CPP__
151#define XFS_TEST_ERROR(expr, mp, tag, rf) \
152 ((expr) || \
153 xfs_error_test((tag), (mp)->m_fixedfsid, #expr, __LINE__, __FILE__, \
154 (rf)))
155#else
156#define XFS_TEST_ERROR(expr, mp, tag, rf) \
157 ((expr) || \
158 xfs_error_test((tag), (mp)->m_fixedfsid, "expr", __LINE__, __FILE__, \
159 (rf)))
160#endif /* __ANSI_CPP__ */
161
162int xfs_errortag_add(int error_tag, xfs_mount_t *mp);
163int xfs_errortag_clear(int error_tag, xfs_mount_t *mp);
164
165int xfs_errortag_clearall(xfs_mount_t *mp);
166int xfs_errortag_clearall_umount(int64_t fsid, char *fsname,
167 int loud);
168#else
169#define XFS_TEST_ERROR(expr, mp, tag, rf) (expr)
170#define xfs_errortag_add(tag, mp) (ENOSYS)
171#define xfs_errortag_clearall(mp) (ENOSYS)
172#endif /* (DEBUG || INDUCE_IO_ERROR) */
173
174/*
175 * XFS panic tags -- allow a call to xfs_cmn_err() be turned into
176 * a panic by setting xfs_panic_mask in a
177 * sysctl. update xfs_max[XFS_PARAM] if
178 * more are added.
179 */
180#define XFS_NO_PTAG 0
181#define XFS_PTAG_IFLUSH 0x00000001
182#define XFS_PTAG_LOGRES 0x00000002
183#define XFS_PTAG_AILDELETE 0x00000004
184#define XFS_PTAG_ERROR_REPORT 0x00000008
185#define XFS_PTAG_SHUTDOWN_CORRUPT 0x00000010
186#define XFS_PTAG_SHUTDOWN_IOERROR 0x00000020
187#define XFS_PTAG_SHUTDOWN_LOGERROR 0x00000040
188
189struct xfs_mount;
190/* PRINTFLIKE4 */
191void xfs_cmn_err(int panic_tag, int level, struct xfs_mount *mp,
192 char *fmt, ...);
193/* PRINTFLIKE3 */
194void xfs_fs_cmn_err(int level, struct xfs_mount *mp, char *fmt, ...);
195
196#endif /* __XFS_ERROR_H__ */
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-28 05:24:41 -0500