xref: /openbmc/linux/fs/xfs/libxfs/xfs_errortag.h (revision 160b8e75)
1 /*
2  * Copyright (c) 2000-2002,2005 Silicon Graphics, Inc.
3  * Copyright (C) 2017 Oracle.
4  * All Rights Reserved.
5  *
6  * This program is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU General Public License
8  * as published by the Free Software Foundation; either version 2
9  * of the License, or (at your option) any later version.
10  *
11  * This program is distributed in the hope that it would be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, write the Free Software Foundation,
18  * Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301, USA.
19  */
20 #ifndef __XFS_ERRORTAG_H_
21 #define __XFS_ERRORTAG_H_
22 
23 /*
24  * error injection tags - the labels can be anything you want
25  * but each tag should have its own unique number
26  */
27 
28 #define XFS_ERRTAG_NOERROR				0
29 #define XFS_ERRTAG_IFLUSH_1				1
30 #define XFS_ERRTAG_IFLUSH_2				2
31 #define XFS_ERRTAG_IFLUSH_3				3
32 #define XFS_ERRTAG_IFLUSH_4				4
33 #define XFS_ERRTAG_IFLUSH_5				5
34 #define XFS_ERRTAG_IFLUSH_6				6
35 #define XFS_ERRTAG_DA_READ_BUF				7
36 #define XFS_ERRTAG_BTREE_CHECK_LBLOCK			8
37 #define XFS_ERRTAG_BTREE_CHECK_SBLOCK			9
38 #define XFS_ERRTAG_ALLOC_READ_AGF			10
39 #define XFS_ERRTAG_IALLOC_READ_AGI			11
40 #define XFS_ERRTAG_ITOBP_INOTOBP			12
41 #define XFS_ERRTAG_IUNLINK				13
42 #define XFS_ERRTAG_IUNLINK_REMOVE			14
43 #define XFS_ERRTAG_DIR_INO_VALIDATE			15
44 #define XFS_ERRTAG_BULKSTAT_READ_CHUNK			16
45 #define XFS_ERRTAG_IODONE_IOERR				17
46 #define XFS_ERRTAG_STRATREAD_IOERR			18
47 #define XFS_ERRTAG_STRATCMPL_IOERR			19
48 #define XFS_ERRTAG_DIOWRITE_IOERR			20
49 #define XFS_ERRTAG_BMAPIFORMAT				21
50 #define XFS_ERRTAG_FREE_EXTENT				22
51 #define XFS_ERRTAG_RMAP_FINISH_ONE			23
52 #define XFS_ERRTAG_REFCOUNT_CONTINUE_UPDATE		24
53 #define XFS_ERRTAG_REFCOUNT_FINISH_ONE			25
54 #define XFS_ERRTAG_BMAP_FINISH_ONE			26
55 #define XFS_ERRTAG_AG_RESV_CRITICAL			27
56 /*
57  * DEBUG mode instrumentation to test and/or trigger delayed allocation
58  * block killing in the event of failed writes. When enabled, all
59  * buffered writes are silenty dropped and handled as if they failed.
60  * All delalloc blocks in the range of the write (including pre-existing
61  * delalloc blocks!) are tossed as part of the write failure error
62  * handling sequence.
63  */
64 #define XFS_ERRTAG_DROP_WRITES				28
65 #define XFS_ERRTAG_LOG_BAD_CRC				29
66 #define XFS_ERRTAG_LOG_ITEM_PIN				30
67 #define XFS_ERRTAG_BUF_LRU_REF				31
68 #define XFS_ERRTAG_MAX					32
69 
70 /*
71  * Random factors for above tags, 1 means always, 2 means 1/2 time, etc.
72  */
73 #define XFS_RANDOM_DEFAULT				100
74 #define XFS_RANDOM_IFLUSH_1				XFS_RANDOM_DEFAULT
75 #define XFS_RANDOM_IFLUSH_2				XFS_RANDOM_DEFAULT
76 #define XFS_RANDOM_IFLUSH_3				XFS_RANDOM_DEFAULT
77 #define XFS_RANDOM_IFLUSH_4				XFS_RANDOM_DEFAULT
78 #define XFS_RANDOM_IFLUSH_5				XFS_RANDOM_DEFAULT
79 #define XFS_RANDOM_IFLUSH_6				XFS_RANDOM_DEFAULT
80 #define XFS_RANDOM_DA_READ_BUF				XFS_RANDOM_DEFAULT
81 #define XFS_RANDOM_BTREE_CHECK_LBLOCK			(XFS_RANDOM_DEFAULT/4)
82 #define XFS_RANDOM_BTREE_CHECK_SBLOCK			XFS_RANDOM_DEFAULT
83 #define XFS_RANDOM_ALLOC_READ_AGF			XFS_RANDOM_DEFAULT
84 #define XFS_RANDOM_IALLOC_READ_AGI			XFS_RANDOM_DEFAULT
85 #define XFS_RANDOM_ITOBP_INOTOBP			XFS_RANDOM_DEFAULT
86 #define XFS_RANDOM_IUNLINK				XFS_RANDOM_DEFAULT
87 #define XFS_RANDOM_IUNLINK_REMOVE			XFS_RANDOM_DEFAULT
88 #define XFS_RANDOM_DIR_INO_VALIDATE			XFS_RANDOM_DEFAULT
89 #define XFS_RANDOM_BULKSTAT_READ_CHUNK			XFS_RANDOM_DEFAULT
90 #define XFS_RANDOM_IODONE_IOERR				(XFS_RANDOM_DEFAULT/10)
91 #define XFS_RANDOM_STRATREAD_IOERR			(XFS_RANDOM_DEFAULT/10)
92 #define XFS_RANDOM_STRATCMPL_IOERR			(XFS_RANDOM_DEFAULT/10)
93 #define XFS_RANDOM_DIOWRITE_IOERR			(XFS_RANDOM_DEFAULT/10)
94 #define XFS_RANDOM_BMAPIFORMAT				XFS_RANDOM_DEFAULT
95 #define XFS_RANDOM_FREE_EXTENT				1
96 #define XFS_RANDOM_RMAP_FINISH_ONE			1
97 #define XFS_RANDOM_REFCOUNT_CONTINUE_UPDATE		1
98 #define XFS_RANDOM_REFCOUNT_FINISH_ONE			1
99 #define XFS_RANDOM_BMAP_FINISH_ONE			1
100 #define XFS_RANDOM_AG_RESV_CRITICAL			4
101 #define XFS_RANDOM_DROP_WRITES				1
102 #define XFS_RANDOM_LOG_BAD_CRC				1
103 #define XFS_RANDOM_LOG_ITEM_PIN				1
104 #define XFS_RANDOM_BUF_LRU_REF				2
105 
106 #endif /* __XFS_ERRORTAG_H_ */
107