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