libxfs/xfs_errortag.h

   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_ */