drivers/staging/lustre/lustre/include/obd_support.h

   1 /*
   2  * GPL HEADER START
   3  *
   4  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 2 only,
   8  * as published by the Free Software Foundation.
   9  *
  10  * This program is distributed in the hope that it will be useful, but
  11  * WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * General Public License version 2 for more details (a copy is included
  14  * in the LICENSE file that accompanied this code).
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * version 2 along with this program; If not, see
  18  * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
  19  *
  20  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
  21  * CA 95054 USA or visit www.sun.com if you need additional information or
  22  * have any questions.
  23  *
  24  * GPL HEADER END
  25  */
  26 /*
  27  * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
  28  * Use is subject to license terms.
  29  *
  30  * Copyright (c) 2011, 2015, Intel Corporation.
  31  */
  32 /*
  33  * This file is part of Lustre, http://www.lustre.org/
  34  * Lustre is a trademark of Sun Microsystems, Inc.
  35  */
  36
  37 #ifndef _OBD_SUPPORT
  38 #define _OBD_SUPPORT
  39
  40 #include <linux/slab.h>
  41 #include "../../include/linux/libcfs/libcfs.h"
  42 #include "linux/lustre_compat25.h"
  43 #include "lprocfs_status.h"
  44
  45 /* global variables */
  46 extern unsigned int obd_debug_peer_on_timeout;
  47 extern unsigned int obd_dump_on_timeout;
  48 extern unsigned int obd_dump_on_eviction;
  49 /* obd_timeout should only be used for recovery, not for
  50  * networking / disk / timings affected by load (use Adaptive Timeouts)
  51  */
  52 extern unsigned int obd_timeout;          /* seconds */
  53 extern unsigned int obd_timeout_set;
  54 extern unsigned int at_min;
  55 extern unsigned int at_max;
  56 extern unsigned int at_history;
  57 extern int at_early_margin;
  58 extern int at_extra;
  59 extern unsigned int obd_sync_filter;
  60 extern unsigned int obd_max_dirty_pages;
  61 extern atomic_t obd_dirty_pages;
  62 extern atomic_t obd_dirty_transit_pages;
  63 extern char obd_jobid_var[];
  64
  65 /* Some hash init argument constants */
  66 #define HASH_POOLS_BKT_BITS 3
  67 #define HASH_POOLS_CUR_BITS 3
  68 #define HASH_POOLS_MAX_BITS 7
  69 #define HASH_UUID_BKT_BITS 5
  70 #define HASH_UUID_CUR_BITS 7
  71 #define HASH_UUID_MAX_BITS 12
  72 #define HASH_NID_BKT_BITS 5
  73 #define HASH_NID_CUR_BITS 7
  74 #define HASH_NID_MAX_BITS 12
  75 #define HASH_NID_STATS_BKT_BITS 5
  76 #define HASH_NID_STATS_CUR_BITS 7
  77 #define HASH_NID_STATS_MAX_BITS 12
  78 #define HASH_LQE_BKT_BITS 5
  79 #define HASH_LQE_CUR_BITS 7
  80 #define HASH_LQE_MAX_BITS 12
  81 #define HASH_CONN_BKT_BITS 5
  82 #define HASH_CONN_CUR_BITS 5
  83 #define HASH_CONN_MAX_BITS 15
  84 #define HASH_EXP_LOCK_BKT_BITS  5
  85 #define HASH_EXP_LOCK_CUR_BITS  7
  86 #define HASH_EXP_LOCK_MAX_BITS  16
  87 #define HASH_CL_ENV_BKT_BITS    5
  88 #define HASH_CL_ENV_BITS        10
  89 #define HASH_JOB_STATS_BKT_BITS 5
  90 #define HASH_JOB_STATS_CUR_BITS 7
  91 #define HASH_JOB_STATS_MAX_BITS 12
  92
  93 /* Timeout definitions */
  94 #define OBD_TIMEOUT_DEFAULT          100
  95 /* Time to wait for all clients to reconnect during recovery (hard limit) */
  96 #define OBD_RECOVERY_TIME_HARD    (obd_timeout * 9)
  97 /* Time to wait for all clients to reconnect during recovery (soft limit) */
  98 /* Should be very conservative; must catch the first reconnect after reboot */
  99 #define OBD_RECOVERY_TIME_SOFT    (obd_timeout * 3)
 100 /* Change recovery-small 26b time if you change this */
 101 #define PING_INTERVAL max(obd_timeout / 4, 1U)
 102 /* a bit more than maximal journal commit time in seconds */
 103 #define PING_INTERVAL_SHORT min(PING_INTERVAL, 7U)
 104 /* Client may skip 1 ping; we must wait at least 2.5. But for multiple
 105  * failover targets the client only pings one server at a time, and pings
 106  * can be lost on a loaded network. Since eviction has serious consequences,
 107  * and there's no urgent need to evict a client just because it's idle, we
 108  * should be very conservative here.
 109  */
 110 #define PING_EVICT_TIMEOUT (PING_INTERVAL * 6)
 111 #define DISK_TIMEOUT 50   /* Beyond this we warn about disk speed */
 112 #define CONNECTION_SWITCH_MIN 5U /* Connection switching rate limiter */
 113 /* Max connect interval for nonresponsive servers; ~50s to avoid building up
 114  * connect requests in the LND queues, but within obd_timeout so we don't
 115  * miss the recovery window
 116  */
 117 #define CONNECTION_SWITCH_MAX min(50U, max(CONNECTION_SWITCH_MIN, obd_timeout))
 118 #define CONNECTION_SWITCH_INC 5  /* Connection timeout backoff */
 119 /* In general this should be low to have quick detection of a system
 120  * running on a backup server. (If it's too low, import_select_connection
 121  * will increase the timeout anyhow.)
 122  */
 123 #define INITIAL_CONNECT_TIMEOUT max(CONNECTION_SWITCH_MIN, obd_timeout/20)
 124 /* The max delay between connects is SWITCH_MAX + SWITCH_INC + INITIAL */
 125 #define RECONNECT_DELAY_MAX (CONNECTION_SWITCH_MAX + CONNECTION_SWITCH_INC + \
 126                              INITIAL_CONNECT_TIMEOUT)
 127 /* The min time a target should wait for clients to reconnect in recovery */
 128 #define OBD_RECOVERY_TIME_MIN    (2*RECONNECT_DELAY_MAX)
 129 #define OBD_IR_FACTOR_MIN        1
 130 #define OBD_IR_FACTOR_MAX        10
 131 #define OBD_IR_FACTOR_DEFAULT    (OBD_IR_FACTOR_MAX/2)
 132 /* default timeout for the MGS to become IR_FULL */
 133 #define OBD_IR_MGS_TIMEOUT       (4*obd_timeout)
 134 #define LONG_UNLINK 300   /* Unlink should happen before now */
 135
 136 /**
 137  * Time interval of shrink, if the client is "idle" more than this interval,
 138  * then the ll_grant thread will return the requested grant space to filter
 139  */
 140 #define GRANT_SHRINK_INTERVAL       1200/*20 minutes*/
 141
 142 #define OBD_FAIL_MDS                 0x100
 143 #define OBD_FAIL_MDS_HANDLE_UNPACK       0x101
 144 #define OBD_FAIL_MDS_GETATTR_NET         0x102
 145 #define OBD_FAIL_MDS_GETATTR_PACK       0x103
 146 #define OBD_FAIL_MDS_READPAGE_NET       0x104
 147 #define OBD_FAIL_MDS_READPAGE_PACK       0x105
 148 #define OBD_FAIL_MDS_SENDPAGE       0x106
 149 #define OBD_FAIL_MDS_REINT_NET     0x107
 150 #define OBD_FAIL_MDS_REINT_UNPACK       0x108
 151 #define OBD_FAIL_MDS_REINT_SETATTR       0x109
 152 #define OBD_FAIL_MDS_REINT_SETATTR_WRITE 0x10a
 153 #define OBD_FAIL_MDS_REINT_CREATE       0x10b
 154 #define OBD_FAIL_MDS_REINT_CREATE_WRITE  0x10c
 155 #define OBD_FAIL_MDS_REINT_UNLINK       0x10d
 156 #define OBD_FAIL_MDS_REINT_UNLINK_WRITE  0x10e
 157 #define OBD_FAIL_MDS_REINT_LINK   0x10f
 158 #define OBD_FAIL_MDS_REINT_LINK_WRITE    0x110
 159 #define OBD_FAIL_MDS_REINT_RENAME       0x111
 160 #define OBD_FAIL_MDS_REINT_RENAME_WRITE  0x112
 161 #define OBD_FAIL_MDS_OPEN_NET       0x113
 162 #define OBD_FAIL_MDS_OPEN_PACK     0x114
 163 #define OBD_FAIL_MDS_CLOSE_NET     0x115
 164 #define OBD_FAIL_MDS_CLOSE_PACK   0x116
 165 #define OBD_FAIL_MDS_CONNECT_NET         0x117
 166 #define OBD_FAIL_MDS_CONNECT_PACK       0x118
 167 #define OBD_FAIL_MDS_REINT_NET_REP       0x119
 168 #define OBD_FAIL_MDS_DISCONNECT_NET      0x11a
 169 #define OBD_FAIL_MDS_GETSTATUS_NET       0x11b
 170 #define OBD_FAIL_MDS_GETSTATUS_PACK      0x11c
 171 #define OBD_FAIL_MDS_STATFS_PACK         0x11d
 172 #define OBD_FAIL_MDS_STATFS_NET   0x11e
 173 #define OBD_FAIL_MDS_GETATTR_NAME_NET    0x11f
 174 #define OBD_FAIL_MDS_PIN_NET         0x120
 175 #define OBD_FAIL_MDS_UNPIN_NET     0x121
 176 #define OBD_FAIL_MDS_ALL_REPLY_NET       0x122
 177 #define OBD_FAIL_MDS_ALL_REQUEST_NET     0x123
 178 #define OBD_FAIL_MDS_SYNC_NET       0x124
 179 #define OBD_FAIL_MDS_SYNC_PACK     0x125
 180 #define OBD_FAIL_MDS_DONE_WRITING_NET    0x126
 181 #define OBD_FAIL_MDS_DONE_WRITING_PACK   0x127
 182 #define OBD_FAIL_MDS_ALLOC_OBDO   0x128
 183 #define OBD_FAIL_MDS_PAUSE_OPEN   0x129
 184 #define OBD_FAIL_MDS_STATFS_LCW_SLEEP    0x12a
 185 #define OBD_FAIL_MDS_OPEN_CREATE         0x12b
 186 #define OBD_FAIL_MDS_OST_SETATTR         0x12c
 187 #define OBD_FAIL_MDS_QUOTACHECK_NET      0x12d
 188 #define OBD_FAIL_MDS_QUOTACTL_NET       0x12e
 189 #define OBD_FAIL_MDS_CLIENT_ADD   0x12f
 190 #define OBD_FAIL_MDS_GETXATTR_NET       0x130
 191 #define OBD_FAIL_MDS_GETXATTR_PACK       0x131
 192 #define OBD_FAIL_MDS_SETXATTR_NET       0x132
 193 #define OBD_FAIL_MDS_SETXATTR       0x133
 194 #define OBD_FAIL_MDS_SETXATTR_WRITE      0x134
 195 #define OBD_FAIL_MDS_FS_SETUP       0x135
 196 #define OBD_FAIL_MDS_RESEND           0x136
 197 #define OBD_FAIL_MDS_LLOG_CREATE_FAILED  0x137
 198 #define OBD_FAIL_MDS_LOV_SYNC_RACE       0x138
 199 #define OBD_FAIL_MDS_OSC_PRECREATE       0x139
 200 #define OBD_FAIL_MDS_LLOG_SYNC_TIMEOUT   0x13a
 201 #define OBD_FAIL_MDS_CLOSE_NET_REP       0x13b
 202 #define OBD_FAIL_MDS_BLOCK_QUOTA_REQ     0x13c
 203 #define OBD_FAIL_MDS_DROP_QUOTA_REQ      0x13d
 204 #define OBD_FAIL_MDS_REMOVE_COMMON_EA    0x13e
 205 #define OBD_FAIL_MDS_ALLOW_COMMON_EA_SETTING   0x13f
 206 #define OBD_FAIL_MDS_FAIL_LOV_LOG_ADD    0x140
 207 #define OBD_FAIL_MDS_LOV_PREP_CREATE     0x141
 208 #define OBD_FAIL_MDS_REINT_DELAY         0x142
 209 #define OBD_FAIL_MDS_READLINK_EPROTO     0x143
 210 #define OBD_FAIL_MDS_OPEN_WAIT_CREATE    0x144
 211 #define OBD_FAIL_MDS_PDO_LOCK       0x145
 212 #define OBD_FAIL_MDS_PDO_LOCK2     0x146
 213 #define OBD_FAIL_MDS_OSC_CREATE_FAIL     0x147
 214 #define OBD_FAIL_MDS_NEGATIVE_POSITIVE   0x148
 215 #define OBD_FAIL_MDS_HSM_STATE_GET_NET          0x149
 216 #define OBD_FAIL_MDS_HSM_STATE_SET_NET          0x14a
 217 #define OBD_FAIL_MDS_HSM_PROGRESS_NET           0x14b
 218 #define OBD_FAIL_MDS_HSM_REQUEST_NET            0x14c
 219 #define OBD_FAIL_MDS_HSM_CT_REGISTER_NET        0x14d
 220 #define OBD_FAIL_MDS_HSM_CT_UNREGISTER_NET      0x14e
 221 #define OBD_FAIL_MDS_SWAP_LAYOUTS_NET           0x14f
 222 #define OBD_FAIL_MDS_HSM_ACTION_NET             0x150
 223 #define OBD_FAIL_MDS_CHANGELOG_INIT             0x151
 224
 225 /* layout lock */
 226 #define OBD_FAIL_MDS_NO_LL_GETATTR       0x170
 227 #define OBD_FAIL_MDS_NO_LL_OPEN          0x171
 228 #define OBD_FAIL_MDS_LL_BLOCK            0x172
 229
 230 /* CMD */
 231 #define OBD_FAIL_MDS_IS_SUBDIR_NET       0x180
 232 #define OBD_FAIL_MDS_IS_SUBDIR_PACK      0x181
 233 #define OBD_FAIL_MDS_SET_INFO_NET       0x182
 234 #define OBD_FAIL_MDS_WRITEPAGE_NET       0x183
 235 #define OBD_FAIL_MDS_WRITEPAGE_PACK      0x184
 236 #define OBD_FAIL_MDS_RECOVERY_ACCEPTS_GAPS 0x185
 237 #define OBD_FAIL_MDS_GET_INFO_NET       0x186
 238 #define OBD_FAIL_MDS_DQACQ_NET     0x187
 239
 240 /* OI scrub */
 241 #define OBD_FAIL_OSD_SCRUB_DELAY                        0x190
 242 #define OBD_FAIL_OSD_SCRUB_CRASH                        0x191
 243 #define OBD_FAIL_OSD_SCRUB_FATAL                        0x192
 244 #define OBD_FAIL_OSD_FID_MAPPING                        0x193
 245 #define OBD_FAIL_OSD_LMA_INCOMPAT                       0x194
 246 #define OBD_FAIL_OSD_COMPAT_INVALID_ENTRY               0x195
 247
 248 #define OBD_FAIL_OST                 0x200
 249 #define OBD_FAIL_OST_CONNECT_NET         0x201
 250 #define OBD_FAIL_OST_DISCONNECT_NET      0x202
 251 #define OBD_FAIL_OST_GET_INFO_NET       0x203
 252 #define OBD_FAIL_OST_CREATE_NET   0x204
 253 #define OBD_FAIL_OST_DESTROY_NET         0x205
 254 #define OBD_FAIL_OST_GETATTR_NET         0x206
 255 #define OBD_FAIL_OST_SETATTR_NET         0x207
 256 #define OBD_FAIL_OST_OPEN_NET       0x208
 257 #define OBD_FAIL_OST_CLOSE_NET     0x209
 258 #define OBD_FAIL_OST_BRW_NET         0x20a
 259 #define OBD_FAIL_OST_PUNCH_NET     0x20b
 260 #define OBD_FAIL_OST_STATFS_NET   0x20c
 261 #define OBD_FAIL_OST_HANDLE_UNPACK       0x20d
 262 #define OBD_FAIL_OST_BRW_WRITE_BULK      0x20e
 263 #define OBD_FAIL_OST_BRW_READ_BULK       0x20f
 264 #define OBD_FAIL_OST_SYNC_NET       0x210
 265 #define OBD_FAIL_OST_ALL_REPLY_NET       0x211
 266 #define OBD_FAIL_OST_ALL_REQUEST_NET     0x212
 267 #define OBD_FAIL_OST_LDLM_REPLY_NET      0x213
 268 #define OBD_FAIL_OST_BRW_PAUSE_BULK      0x214
 269 #define OBD_FAIL_OST_ENOSPC           0x215
 270 #define OBD_FAIL_OST_EROFS             0x216
 271 #define OBD_FAIL_OST_ENOENT           0x217
 272 #define OBD_FAIL_OST_QUOTACHECK_NET      0x218
 273 #define OBD_FAIL_OST_QUOTACTL_NET       0x219
 274 #define OBD_FAIL_OST_CHECKSUM_RECEIVE    0x21a
 275 #define OBD_FAIL_OST_CHECKSUM_SEND       0x21b
 276 #define OBD_FAIL_OST_BRW_SIZE       0x21c
 277 #define OBD_FAIL_OST_DROP_REQ       0x21d
 278 #define OBD_FAIL_OST_SETATTR_CREDITS     0x21e
 279 #define OBD_FAIL_OST_HOLD_WRITE_RPC      0x21f
 280 #define OBD_FAIL_OST_BRW_WRITE_BULK2     0x220
 281 #define OBD_FAIL_OST_LLOG_RECOVERY_TIMEOUT 0x221
 282 #define OBD_FAIL_OST_CANCEL_COOKIE_TIMEOUT 0x222
 283 #define OBD_FAIL_OST_PAUSE_CREATE       0x223
 284 #define OBD_FAIL_OST_BRW_PAUSE_PACK      0x224
 285 #define OBD_FAIL_OST_CONNECT_NET2       0x225
 286 #define OBD_FAIL_OST_NOMEM             0x226
 287 #define OBD_FAIL_OST_BRW_PAUSE_BULK2     0x227
 288 #define OBD_FAIL_OST_MAPBLK_ENOSPC       0x228
 289 #define OBD_FAIL_OST_ENOINO           0x229
 290 #define OBD_FAIL_OST_DQACQ_NET     0x230
 291 #define OBD_FAIL_OST_STATFS_EINPROGRESS  0x231
 292
 293 #define OBD_FAIL_LDLM               0x300
 294 #define OBD_FAIL_LDLM_NAMESPACE_NEW      0x301
 295 #define OBD_FAIL_LDLM_ENQUEUE_NET                       0x302
 296 #define OBD_FAIL_LDLM_CONVERT_NET                       0x303
 297 #define OBD_FAIL_LDLM_CANCEL_NET                        0x304
 298 #define OBD_FAIL_LDLM_BL_CALLBACK_NET                   0x305
 299 #define OBD_FAIL_LDLM_CP_CALLBACK_NET                   0x306
 300 #define OBD_FAIL_LDLM_GL_CALLBACK_NET                   0x307
 301 #define OBD_FAIL_LDLM_ENQUEUE_EXTENT_ERR 0x308
 302 #define OBD_FAIL_LDLM_ENQUEUE_INTENT_ERR 0x309
 303 #define OBD_FAIL_LDLM_CREATE_RESOURCE    0x30a
 304 #define OBD_FAIL_LDLM_ENQUEUE_BLOCKED    0x30b
 305 #define OBD_FAIL_LDLM_REPLY           0x30c
 306 #define OBD_FAIL_LDLM_RECOV_CLIENTS      0x30d
 307 #define OBD_FAIL_LDLM_ENQUEUE_OLD_EXPORT 0x30e
 308 #define OBD_FAIL_LDLM_GLIMPSE       0x30f
 309 #define OBD_FAIL_LDLM_CANCEL_RACE       0x310
 310 #define OBD_FAIL_LDLM_CANCEL_EVICT_RACE  0x311
 311 #define OBD_FAIL_LDLM_PAUSE_CANCEL       0x312
 312 #define OBD_FAIL_LDLM_CLOSE_THREAD       0x313
 313 #define OBD_FAIL_LDLM_CANCEL_BL_CB_RACE  0x314
 314 #define OBD_FAIL_LDLM_CP_CB_WAIT         0x315
 315 #define OBD_FAIL_LDLM_OST_FAIL_RACE      0x316
 316 #define OBD_FAIL_LDLM_INTR_CP_AST       0x317
 317 #define OBD_FAIL_LDLM_CP_BL_RACE         0x318
 318 #define OBD_FAIL_LDLM_NEW_LOCK     0x319
 319 #define OBD_FAIL_LDLM_AGL_DELAY   0x31a
 320 #define OBD_FAIL_LDLM_AGL_NOLOCK         0x31b
 321 #define OBD_FAIL_LDLM_OST_LVB            0x31c
 322
 323 /* LOCKLESS IO */
 324 #define OBD_FAIL_LDLM_SET_CONTENTION     0x385
 325
 326 #define OBD_FAIL_OSC                 0x400
 327 #define OBD_FAIL_OSC_BRW_READ_BULK       0x401
 328 #define OBD_FAIL_OSC_BRW_WRITE_BULK      0x402
 329 #define OBD_FAIL_OSC_LOCK_BL_AST         0x403
 330 #define OBD_FAIL_OSC_LOCK_CP_AST         0x404
 331 #define OBD_FAIL_OSC_MATCH             0x405
 332 #define OBD_FAIL_OSC_BRW_PREP_REQ       0x406
 333 #define OBD_FAIL_OSC_SHUTDOWN       0x407
 334 #define OBD_FAIL_OSC_CHECKSUM_RECEIVE    0x408
 335 #define OBD_FAIL_OSC_CHECKSUM_SEND       0x409
 336 #define OBD_FAIL_OSC_BRW_PREP_REQ2       0x40a
 337 #define OBD_FAIL_OSC_CONNECT_CKSUM       0x40b
 338 #define OBD_FAIL_OSC_CKSUM_ADLER_ONLY    0x40c
 339 #define OBD_FAIL_OSC_DIO_PAUSE     0x40d
 340 #define OBD_FAIL_OSC_OBJECT_CONTENTION   0x40e
 341 #define OBD_FAIL_OSC_CP_CANCEL_RACE      0x40f
 342 #define OBD_FAIL_OSC_CP_ENQ_RACE         0x410
 343 #define OBD_FAIL_OSC_NO_GRANT       0x411
 344 #define OBD_FAIL_OSC_DELAY_SETTIME       0x412
 345
 346 #define OBD_FAIL_PTLRPC           0x500
 347 #define OBD_FAIL_PTLRPC_ACK           0x501
 348 #define OBD_FAIL_PTLRPC_RQBD         0x502
 349 #define OBD_FAIL_PTLRPC_BULK_GET_NET     0x503
 350 #define OBD_FAIL_PTLRPC_BULK_PUT_NET     0x504
 351 #define OBD_FAIL_PTLRPC_DROP_RPC         0x505
 352 #define OBD_FAIL_PTLRPC_DELAY_SEND       0x506
 353 #define OBD_FAIL_PTLRPC_DELAY_RECOV      0x507
 354 #define OBD_FAIL_PTLRPC_CLIENT_BULK_CB   0x508
 355 #define OBD_FAIL_PTLRPC_PAUSE_REQ       0x50a
 356 #define OBD_FAIL_PTLRPC_PAUSE_REP       0x50c
 357 #define OBD_FAIL_PTLRPC_IMP_DEACTIVE     0x50d
 358 #define OBD_FAIL_PTLRPC_DUMP_LOG         0x50e
 359 #define OBD_FAIL_PTLRPC_LONG_REPL_UNLINK 0x50f
 360 #define OBD_FAIL_PTLRPC_LONG_BULK_UNLINK 0x510
 361 #define OBD_FAIL_PTLRPC_HPREQ_TIMEOUT    0x511
 362 #define OBD_FAIL_PTLRPC_HPREQ_NOTIMEOUT  0x512
 363 #define OBD_FAIL_PTLRPC_DROP_REQ_OPC     0x513
 364 #define OBD_FAIL_PTLRPC_FINISH_REPLAY    0x514
 365 #define OBD_FAIL_PTLRPC_CLIENT_BULK_CB2  0x515
 366 #define OBD_FAIL_PTLRPC_DELAY_IMP_FULL   0x516
 367 #define OBD_FAIL_PTLRPC_CANCEL_RESEND    0x517
 368
 369 #define OBD_FAIL_OBD_PING_NET       0x600
 370 #define OBD_FAIL_OBD_LOG_CANCEL_NET      0x601
 371 #define OBD_FAIL_OBD_LOGD_NET       0x602
 372 #define OBD_FAIL_OBD_QC_CALLBACK_NET     0x603
 373 #define OBD_FAIL_OBD_DQACQ             0x604
 374 #define OBD_FAIL_OBD_LLOG_SETUP   0x605
 375 #define OBD_FAIL_OBD_LOG_CANCEL_REP      0x606
 376 #define OBD_FAIL_OBD_IDX_READ_NET       0x607
 377 #define OBD_FAIL_OBD_IDX_READ_BREAK      0x608
 378 #define OBD_FAIL_OBD_NO_LRU              0x609
 379
 380 #define OBD_FAIL_TGT_REPLY_NET     0x700
 381 #define OBD_FAIL_TGT_CONN_RACE     0x701
 382 #define OBD_FAIL_TGT_FORCE_RECONNECT     0x702
 383 #define OBD_FAIL_TGT_DELAY_CONNECT       0x703
 384 #define OBD_FAIL_TGT_DELAY_RECONNECT     0x704
 385 #define OBD_FAIL_TGT_DELAY_PRECREATE     0x705
 386 #define OBD_FAIL_TGT_TOOMANY_THREADS     0x706
 387 #define OBD_FAIL_TGT_REPLAY_DROP         0x707
 388 #define OBD_FAIL_TGT_FAKE_EXP       0x708
 389 #define OBD_FAIL_TGT_REPLAY_DELAY       0x709
 390 #define OBD_FAIL_TGT_LAST_REPLAY         0x710
 391 #define OBD_FAIL_TGT_CLIENT_ADD   0x711
 392 #define OBD_FAIL_TGT_RCVG_FLAG     0x712
 393 #define OBD_FAIL_TGT_DELAY_CONDITIONAL   0x713
 394
 395 #define OBD_FAIL_MDC_REVALIDATE_PAUSE    0x800
 396 #define OBD_FAIL_MDC_ENQUEUE_PAUSE       0x801
 397 #define OBD_FAIL_MDC_OLD_EXT_FLAGS       0x802
 398 #define OBD_FAIL_MDC_GETATTR_ENQUEUE     0x803
 399 #define OBD_FAIL_MDC_RPCS_SEM            0x804
 400 #define OBD_FAIL_MDC_LIGHTWEIGHT         0x805
 401
 402 #define OBD_FAIL_MGS                 0x900
 403 #define OBD_FAIL_MGS_ALL_REQUEST_NET     0x901
 404 #define OBD_FAIL_MGS_ALL_REPLY_NET       0x902
 405 #define OBD_FAIL_MGC_PAUSE_PROCESS_LOG   0x903
 406 #define OBD_FAIL_MGS_PAUSE_REQ     0x904
 407 #define OBD_FAIL_MGS_PAUSE_TARGET_REG    0x905
 408 #define OBD_FAIL_MGS_CONNECT_NET         0x906
 409 #define OBD_FAIL_MGS_DISCONNECT_NET      0x907
 410 #define OBD_FAIL_MGS_SET_INFO_NET        0x908
 411 #define OBD_FAIL_MGS_EXCEPTION_NET       0x909
 412 #define OBD_FAIL_MGS_TARGET_REG_NET      0x90a
 413 #define OBD_FAIL_MGS_TARGET_DEL_NET      0x90b
 414 #define OBD_FAIL_MGS_CONFIG_READ_NET     0x90c
 415
 416 #define OBD_FAIL_QUOTA_DQACQ_NET                        0xA01
 417 #define OBD_FAIL_QUOTA_EDQUOT       0xA02
 418 #define OBD_FAIL_QUOTA_DELAY_REINT       0xA03
 419 #define OBD_FAIL_QUOTA_RECOVERABLE_ERR   0xA04
 420
 421 #define OBD_FAIL_LPROC_REMOVE       0xB00
 422
 423 #define OBD_FAIL_SEQ                 0x1000
 424 #define OBD_FAIL_SEQ_QUERY_NET     0x1001
 425 #define OBD_FAIL_SEQ_EXHAUST             0x1002
 426
 427 #define OBD_FAIL_FLD                 0x1100
 428 #define OBD_FAIL_FLD_QUERY_NET     0x1101
 429
 430 #define OBD_FAIL_SEC_CTX                 0x1200
 431 #define OBD_FAIL_SEC_CTX_INIT_NET       0x1201
 432 #define OBD_FAIL_SEC_CTX_INIT_CONT_NET   0x1202
 433 #define OBD_FAIL_SEC_CTX_FINI_NET       0x1203
 434 #define OBD_FAIL_SEC_CTX_HDL_PAUSE       0x1204
 435
 436 #define OBD_FAIL_LLOG                          0x1300
 437 #define OBD_FAIL_LLOG_ORIGIN_CONNECT_NET            0x1301
 438 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_CREATE_NET      0x1302
 439 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_DESTROY_NET     0x1303
 440 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_READ_HEADER_NET 0x1304
 441 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_NEXT_BLOCK_NET  0x1305
 442 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_PREV_BLOCK_NET  0x1306
 443 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_WRITE_REC_NET   0x1307
 444 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_CLOSE_NET       0x1308
 445 #define OBD_FAIL_LLOG_CATINFO_NET                  0x1309
 446 #define OBD_FAIL_MDS_SYNC_CAPA_SL                  0x1310
 447 #define OBD_FAIL_SEQ_ALLOC                        0x1311
 448
 449 #define OBD_FAIL_LLITE                        0x1400
 450 #define OBD_FAIL_LLITE_FAULT_TRUNC_RACE      0x1401
 451 #define OBD_FAIL_LOCK_STATE_WAIT_INTR          0x1402
 452 #define OBD_FAIL_LOV_INIT                           0x1403
 453 #define OBD_FAIL_GLIMPSE_DELAY                      0x1404
 454 #define OBD_FAIL_LLITE_XATTR_ENOMEM                 0x1405
 455
 456 #define OBD_FAIL_FID_INDIR      0x1501
 457 #define OBD_FAIL_FID_INLMA      0x1502
 458 #define OBD_FAIL_FID_IGIF       0x1504
 459 #define OBD_FAIL_FID_LOOKUP     0x1505
 460 #define OBD_FAIL_FID_NOLMA      0x1506
 461
 462 /* LFSCK */
 463 #define OBD_FAIL_LFSCK_DELAY1           0x1600
 464 #define OBD_FAIL_LFSCK_DELAY2           0x1601
 465 #define OBD_FAIL_LFSCK_DELAY3           0x1602
 466 #define OBD_FAIL_LFSCK_LINKEA_CRASH     0x1603
 467 #define OBD_FAIL_LFSCK_LINKEA_MORE      0x1604
 468 #define OBD_FAIL_LFSCK_LINKEA_MORE2     0x1605
 469 #define OBD_FAIL_LFSCK_FATAL1           0x1608
 470 #define OBD_FAIL_LFSCK_FATAL2           0x1609
 471 #define OBD_FAIL_LFSCK_CRASH            0x160a
 472 #define OBD_FAIL_LFSCK_NO_AUTO          0x160b
 473 #define OBD_FAIL_LFSCK_NO_DOUBLESCAN    0x160c
 474
 475 /* UPDATE */
 476 #define OBD_FAIL_UPDATE_OBJ_NET                 0x1700
 477 #define OBD_FAIL_UPDATE_OBJ_NET_REP             0x1701
 478
 479 /* Assign references to moved code to reduce code changes */
 480 #define OBD_FAIL_PRECHECK(id)              CFS_FAIL_PRECHECK(id)
 481 #define OBD_FAIL_CHECK(id)                    CFS_FAIL_CHECK(id)
 482 #define OBD_FAIL_CHECK_VALUE(id, value)  CFS_FAIL_CHECK_VALUE(id, value)
 483 #define OBD_FAIL_CHECK_ORSET(id, value)  CFS_FAIL_CHECK_ORSET(id, value)
 484 #define OBD_FAIL_CHECK_RESET(id, value)  CFS_FAIL_CHECK_RESET(id, value)
 485 #define OBD_FAIL_RETURN(id, ret)                CFS_FAIL_RETURN(id, ret)
 486 #define OBD_FAIL_TIMEOUT(id, secs)            CFS_FAIL_TIMEOUT(id, secs)
 487 #define OBD_FAIL_TIMEOUT_MS(id, ms)          CFS_FAIL_TIMEOUT_MS(id, ms)
 488 #define OBD_FAIL_TIMEOUT_ORSET(id, value, secs) CFS_FAIL_TIMEOUT_ORSET(id, value, secs)
 489 #define OBD_RACE(id)                        CFS_RACE(id)
 490 #define OBD_FAIL_ONCE                      CFS_FAIL_ONCE
 491 #define OBD_FAILED                            CFS_FAILED
 492
 493 #ifdef CONFIG_DEBUG_SLAB
 494 #define POISON(ptr, c, s) do {} while (0)
 495 #define POISON_PTR(ptr)  ((void)0)
 496 #else
 497 #define POISON(ptr, c, s) memset(ptr, c, s)
 498 #define POISON_PTR(ptr)  (ptr) = (void *)0xdeadbeef
 499 #endif
 500
 501 #ifdef POISON_BULK
 502 #define POISON_PAGE(page, val) do {               \
 503         memset(kmap(page), val, PAGE_SIZE); \
 504         kunmap(page);                             \
 505 } while (0)
 506 #else
 507 #define POISON_PAGE(page, val) do { } while (0)
 508 #endif
 509
 510 #define OBD_FREE_RCU(ptr, size, handle)                                       \
 511 do {                                                                          \
 512         struct portals_handle *__h = (handle);                                \
 513                                                                               \
 514         __h->h_cookie = (unsigned long)(ptr);                                 \
 515         __h->h_size = (size);                                                 \
 516         call_rcu(&__h->h_rcu, class_handle_free_cb);                          \
 517         POISON_PTR(ptr);                                                      \
 518 } while (0)
 519
 520 #define KEY_IS(str) \
 521         (keylen >= (sizeof(str)-1) && memcmp(key, str, (sizeof(str)-1)) == 0)
 522
 523 #endif