1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Copyright (c) 2000-2002,2005 Silicon Graphics, Inc.
4  * Copyright (C) 2017 Oracle.
5  * All Rights Reserved.
6  */
7 #ifndef __XFS_ERRORTAG_H_
8 #define __XFS_ERRORTAG_H_
9 
10 /*
11  * error injection tags - the labels can be anything you want
12  * but each tag should have its own unique number
13  */
14 
15 #define XFS_ERRTAG_NOERROR				0
16 #define XFS_ERRTAG_IFLUSH_1				1
17 #define XFS_ERRTAG_IFLUSH_2				2
18 #define XFS_ERRTAG_IFLUSH_3				3
19 #define XFS_ERRTAG_IFLUSH_4				4
20 #define XFS_ERRTAG_IFLUSH_5				5
21 #define XFS_ERRTAG_IFLUSH_6				6
22 #define XFS_ERRTAG_DA_READ_BUF				7
23 #define XFS_ERRTAG_BTREE_CHECK_LBLOCK			8
24 #define XFS_ERRTAG_BTREE_CHECK_SBLOCK			9
25 #define XFS_ERRTAG_ALLOC_READ_AGF			10
26 #define XFS_ERRTAG_IALLOC_READ_AGI			11
27 #define XFS_ERRTAG_ITOBP_INOTOBP			12
28 #define XFS_ERRTAG_IUNLINK				13
29 #define XFS_ERRTAG_IUNLINK_REMOVE			14
30 #define XFS_ERRTAG_DIR_INO_VALIDATE			15
31 #define XFS_ERRTAG_BULKSTAT_READ_CHUNK			16
32 #define XFS_ERRTAG_IODONE_IOERR				17
33 #define XFS_ERRTAG_STRATREAD_IOERR			18
34 #define XFS_ERRTAG_STRATCMPL_IOERR			19
35 #define XFS_ERRTAG_DIOWRITE_IOERR			20
36 #define XFS_ERRTAG_BMAPIFORMAT				21
37 #define XFS_ERRTAG_FREE_EXTENT				22
38 #define XFS_ERRTAG_RMAP_FINISH_ONE			23
39 #define XFS_ERRTAG_REFCOUNT_CONTINUE_UPDATE		24
40 #define XFS_ERRTAG_REFCOUNT_FINISH_ONE			25
41 #define XFS_ERRTAG_BMAP_FINISH_ONE			26
42 #define XFS_ERRTAG_AG_RESV_CRITICAL			27
43 /*
44  * DEBUG mode instrumentation to test and/or trigger delayed allocation
45  * block killing in the event of failed writes. When enabled, all
46  * buffered writes are silenty dropped and handled as if they failed.
47  * All delalloc blocks in the range of the write (including pre-existing
48  * delalloc blocks!) are tossed as part of the write failure error
49  * handling sequence.
50  */
51 #define XFS_ERRTAG_DROP_WRITES				28
52 #define XFS_ERRTAG_LOG_BAD_CRC				29
53 #define XFS_ERRTAG_LOG_ITEM_PIN				30
54 #define XFS_ERRTAG_BUF_LRU_REF				31
55 #define XFS_ERRTAG_FORCE_SCRUB_REPAIR			32
56 #define XFS_ERRTAG_FORCE_SUMMARY_RECALC			33
57 #define XFS_ERRTAG_MAX					34
58 
59 /*
60  * Random factors for above tags, 1 means always, 2 means 1/2 time, etc.
61  */
62 #define XFS_RANDOM_DEFAULT				100
63 #define XFS_RANDOM_IFLUSH_1				XFS_RANDOM_DEFAULT
64 #define XFS_RANDOM_IFLUSH_2				XFS_RANDOM_DEFAULT
65 #define XFS_RANDOM_IFLUSH_3				XFS_RANDOM_DEFAULT
66 #define XFS_RANDOM_IFLUSH_4				XFS_RANDOM_DEFAULT
67 #define XFS_RANDOM_IFLUSH_5				XFS_RANDOM_DEFAULT
68 #define XFS_RANDOM_IFLUSH_6				XFS_RANDOM_DEFAULT
69 #define XFS_RANDOM_DA_READ_BUF				XFS_RANDOM_DEFAULT
70 #define XFS_RANDOM_BTREE_CHECK_LBLOCK			(XFS_RANDOM_DEFAULT/4)
71 #define XFS_RANDOM_BTREE_CHECK_SBLOCK			XFS_RANDOM_DEFAULT
72 #define XFS_RANDOM_ALLOC_READ_AGF			XFS_RANDOM_DEFAULT
73 #define XFS_RANDOM_IALLOC_READ_AGI			XFS_RANDOM_DEFAULT
74 #define XFS_RANDOM_ITOBP_INOTOBP			XFS_RANDOM_DEFAULT
75 #define XFS_RANDOM_IUNLINK				XFS_RANDOM_DEFAULT
76 #define XFS_RANDOM_IUNLINK_REMOVE			XFS_RANDOM_DEFAULT
77 #define XFS_RANDOM_DIR_INO_VALIDATE			XFS_RANDOM_DEFAULT
78 #define XFS_RANDOM_BULKSTAT_READ_CHUNK			XFS_RANDOM_DEFAULT
79 #define XFS_RANDOM_IODONE_IOERR				(XFS_RANDOM_DEFAULT/10)
80 #define XFS_RANDOM_STRATREAD_IOERR			(XFS_RANDOM_DEFAULT/10)
81 #define XFS_RANDOM_STRATCMPL_IOERR			(XFS_RANDOM_DEFAULT/10)
82 #define XFS_RANDOM_DIOWRITE_IOERR			(XFS_RANDOM_DEFAULT/10)
83 #define XFS_RANDOM_BMAPIFORMAT				XFS_RANDOM_DEFAULT
84 #define XFS_RANDOM_FREE_EXTENT				1
85 #define XFS_RANDOM_RMAP_FINISH_ONE			1
86 #define XFS_RANDOM_REFCOUNT_CONTINUE_UPDATE		1
87 #define XFS_RANDOM_REFCOUNT_FINISH_ONE			1
88 #define XFS_RANDOM_BMAP_FINISH_ONE			1
89 #define XFS_RANDOM_AG_RESV_CRITICAL			4
90 #define XFS_RANDOM_DROP_WRITES				1
91 #define XFS_RANDOM_LOG_BAD_CRC				1
92 #define XFS_RANDOM_LOG_ITEM_PIN				1
93 #define XFS_RANDOM_BUF_LRU_REF				2
94 #define XFS_RANDOM_FORCE_SCRUB_REPAIR			1
95 #define XFS_RANDOM_FORCE_SUMMARY_RECALC			1
96 
97 #endif /* __XFS_ERRORTAG_H_ */
98