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