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.gnu.org/licenses/gpl-2.0.html
  19  *
  20  * GPL HEADER END
  21  */
  22 /*
  23  * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
  24  * Use is subject to license terms.
  25  *
  26  * Copyright (c) 2011, 2017, Intel Corporation.
  27  */
  28 /*
  29  * This file is part of Lustre, http://www.lustre.org/
  30  */
  31
  32 #ifndef _OBD_SUPPORT
  33 #define _OBD_SUPPORT
  34
  35 #include <linux/atomic.h>
  36 #include <linux/ctype.h>
  37 #include <linux/highmem.h>
  38 #include <linux/slab.h>
  39 #include <linux/types.h>
  40
  41 #include <libcfs/libcfs.h>
  42 #include <lnet/lib-cpt.h>
  43 #include <lprocfs_status.h>
  44 #include <lustre_handles.h>
  45
  46 /* global variables */
  47 extern struct lprocfs_stats *obd_memory;
  48 enum {
  49         OBD_MEMORY_STAT = 0,
  50         OBD_STATS_NUM,
  51 };
  52
  53 extern unsigned int obd_debug_peer_on_timeout;
  54 extern unsigned int obd_dump_on_timeout;
  55 extern unsigned int obd_dump_on_eviction;
  56 extern unsigned int obd_lbug_on_eviction;
  57 /* obd_timeout should only be used for recovery, not for
  58  * networking / disk / timings affected by load (use Adaptive Timeouts) */
  59 extern unsigned int obd_timeout;          /* seconds */
  60 extern unsigned int ldlm_timeout;         /* seconds */
  61 extern unsigned int ping_interval;        /* seconds */
  62 extern unsigned int ping_evict_timeout_multiplier;
  63 extern unsigned int obd_timeout_set;
  64 extern unsigned int ldlm_timeout_set;
  65 extern unsigned int bulk_timeout;
  66 extern unsigned int at_min;
  67 extern unsigned int at_max;
  68 extern unsigned int at_history;
  69 extern int at_early_margin;
  70 extern int at_extra;
  71 extern unsigned long obd_max_dirty_pages;
  72 extern atomic_long_t obd_dirty_pages;
  73 extern char obd_jobid_var[];
  74 extern bool obd_enable_health_write;
  75
  76 /* Some hash init argument constants */
  77 #define HASH_NID_STATS_BKT_BITS 5
  78 #define HASH_NID_STATS_CUR_BITS 7
  79 #define HASH_NID_STATS_MAX_BITS 12
  80 #define HASH_GEN_BKT_BITS 5
  81 #define HASH_GEN_CUR_BITS 7
  82 #define HASH_GEN_MAX_BITS 12
  83 #define HASH_LQE_BKT_BITS 5
  84 #define HASH_LQE_CUR_BITS 7
  85 #define HASH_LQE_MAX_BITS 12
  86 #define HASH_EXP_LOCK_BKT_BITS  5
  87 #define HASH_EXP_LOCK_CUR_BITS  7
  88 #define HASH_EXP_LOCK_MAX_BITS  16
  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 #define LDLM_TIMEOUT_DEFAULT            20
  96 #define MDS_LDLM_TIMEOUT_DEFAULT        6
  97 /* Time to wait for all clients to reconnect during recovery (hard limit) */
  98 #define OBD_RECOVERY_TIME_HARD          (obd_timeout * 9)
  99 /* Time to wait for all clients to reconnect during recovery (soft limit) */
 100 /* Should be very conservative; must catch the first reconnect after reboot */
 101 #define OBD_RECOVERY_TIME_SOFT          (obd_timeout * 3)
 102 /* Change recovery-small 26b time if you change this */
 103 #define PING_INTERVAL ping_interval
 104 /* a bit more than maximal journal commit time in seconds */
 105 #define PING_INTERVAL_SHORT min(PING_INTERVAL, 7U)
 106 /* Client may skip 1 ping; we must wait at least 2.5. But for multiple
 107  * failover targets the client only pings one server at a time, and pings
 108  * can be lost on a loaded network. Since eviction has serious consequences,
 109  * and there's no urgent need to evict a client just because it's idle, we
 110  * should be very conservative here. */
 111 #define PING_EVICT_TIMEOUT (PING_INTERVAL * ping_evict_timeout_multiplier)
 112 #define DISK_TIMEOUT 50          /* Beyond this we warn about disk speed */
 113 #define CONNECTION_SWITCH_MIN 5U /* Connection switching rate limiter */
 114  /* Max connect interval for nonresponsive servers; ~50s to avoid building up
 115     connect requests in the LND queues, but within obd_timeout so we don't
 116     miss the recovery window */
 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 #define INITIAL_CONNECT_TIMEOUT max(CONNECTION_SWITCH_MIN,obd_timeout/20)
 123 /* The max delay between connects is SWITCH_MAX + SWITCH_INC + INITIAL */
 124 #define RECONNECT_DELAY_MAX (CONNECTION_SWITCH_MAX + CONNECTION_SWITCH_INC + \
 125                              INITIAL_CONNECT_TIMEOUT)
 126 /* The min time a target should wait for clients to reconnect in recovery */
 127 #define OBD_RECOVERY_TIME_MIN   (2*RECONNECT_DELAY_MAX)
 128 #define OBD_IR_FACTOR_MIN       1
 129 #define OBD_IR_FACTOR_MAX       10
 130 #define OBD_IR_FACTOR_DEFAULT   (OBD_IR_FACTOR_MAX/2)
 131 /* default timeout for the MGS to become IR_FULL */
 132 #define OBD_IR_MGS_TIMEOUT      (4*obd_timeout)
 133 /* Unlink should happen within this many seconds. */
 134 #define PTLRPC_REQ_LONG_UNLINK  300
 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_GET_ROOT_NET        0x11b
 170 #define OBD_FAIL_MDS_GET_ROOT_PACK       0x11c
 171 #define OBD_FAIL_MDS_STATFS_PACK         0x11d
 172 #define OBD_FAIL_MDS_STATFS_SUM_PACK     0x11d
 173 #define OBD_FAIL_MDS_STATFS_NET          0x11e
 174 #define OBD_FAIL_MDS_STATFS_SUM_NET      0x11e
 175 #define OBD_FAIL_MDS_GETATTR_NAME_NET    0x11f
 176 #define OBD_FAIL_MDS_PIN_NET             0x120
 177 #define OBD_FAIL_MDS_UNPIN_NET           0x121
 178 #define OBD_FAIL_MDS_ALL_REPLY_NET       0x122
 179 #define OBD_FAIL_MDS_ALL_REQUEST_NET     0x123
 180 #define OBD_FAIL_MDS_SYNC_NET            0x124
 181 #define OBD_FAIL_MDS_SYNC_PACK           0x125
 182 /*      OBD_FAIL_MDS_DONE_WRITING_NET    0x126 obsolete since 2.8.0 */
 183 /*      OBD_FAIL_MDS_DONE_WRITING_PACK   0x127 obsolete since 2.8.0 */
 184 #define OBD_FAIL_MDS_ALLOC_OBDO          0x128
 185 #define OBD_FAIL_MDS_PAUSE_OPEN          0x129
 186 #define OBD_FAIL_MDS_STATFS_LCW_SLEEP    0x12a
 187 #define OBD_FAIL_MDS_OPEN_CREATE         0x12b
 188 #define OBD_FAIL_MDS_OST_SETATTR         0x12c
 189 /*      OBD_FAIL_MDS_QUOTACHECK_NET      0x12d obsolete since 2.4 */
 190 #define OBD_FAIL_MDS_QUOTACTL_NET        0x12e
 191 #define OBD_FAIL_MDS_CLIENT_ADD          0x12f
 192 #define OBD_FAIL_MDS_GETXATTR_NET        0x130
 193 #define OBD_FAIL_MDS_GETXATTR_PACK       0x131
 194 #define OBD_FAIL_MDS_SETXATTR_NET        0x132
 195 #define OBD_FAIL_MDS_SETXATTR            0x133
 196 #define OBD_FAIL_MDS_SETXATTR_WRITE      0x134
 197 #define OBD_FAIL_MDS_FS_SETUP            0x135
 198 #define OBD_FAIL_MDS_RESEND              0x136
 199 #define OBD_FAIL_MDS_LLOG_CREATE_FAILED  0x137
 200 #define OBD_FAIL_MDS_LOV_SYNC_RACE       0x138
 201 #define OBD_FAIL_MDS_OSC_PRECREATE       0x139
 202 #define OBD_FAIL_MDS_LLOG_SYNC_TIMEOUT   0x13a
 203 #define OBD_FAIL_MDS_CLOSE_NET_REP       0x13b
 204 #define OBD_FAIL_MDS_BLOCK_QUOTA_REQ     0x13c
 205 #define OBD_FAIL_MDS_DROP_QUOTA_REQ      0x13d
 206 #define OBD_FAIL_MDS_REMOVE_COMMON_EA    0x13e
 207 #define OBD_FAIL_MDS_ALLOW_COMMON_EA_SETTING   0x13f
 208 #define OBD_FAIL_MDS_FAIL_LOV_LOG_ADD    0x140
 209 #define OBD_FAIL_MDS_LOV_PREP_CREATE     0x141
 210 #define OBD_FAIL_MDS_REINT_DELAY         0x142
 211 #define OBD_FAIL_MDS_READLINK_EPROTO     0x143
 212 #define OBD_FAIL_MDS_OPEN_WAIT_CREATE    0x144
 213 #define OBD_FAIL_MDS_PDO_LOCK            0x145
 214 #define OBD_FAIL_MDS_PDO_LOCK2           0x146
 215 #define OBD_FAIL_MDS_OSC_CREATE_FAIL     0x147
 216 #define OBD_FAIL_MDS_NEGATIVE_POSITIVE   0x148
 217 #define OBD_FAIL_MDS_HSM_STATE_GET_NET          0x149
 218 #define OBD_FAIL_MDS_HSM_STATE_SET_NET          0x14a
 219 #define OBD_FAIL_MDS_HSM_PROGRESS_NET           0x14b
 220 #define OBD_FAIL_MDS_HSM_REQUEST_NET            0x14c
 221 #define OBD_FAIL_MDS_HSM_CT_REGISTER_NET        0x14d
 222 #define OBD_FAIL_MDS_HSM_CT_UNREGISTER_NET      0x14e
 223 #define OBD_FAIL_MDS_SWAP_LAYOUTS_NET           0x14f
 224 #define OBD_FAIL_MDS_HSM_ACTION_NET             0x150
 225 #define OBD_FAIL_MDS_CHANGELOG_INIT             0x151
 226 #define OBD_FAIL_MDS_HSM_SWAP_LAYOUTS           0x152
 227 #define OBD_FAIL_MDS_RENAME                     0x153
 228 #define OBD_FAIL_MDS_RENAME2                    0x154
 229 #define OBD_FAIL_MDS_RENAME3                    0x155
 230 #define OBD_FAIL_MDS_RENAME4                    0x156
 231 #define OBD_FAIL_MDS_LDLM_REPLY_NET             0x157
 232 #define OBD_FAIL_MDS_STALE_DIR_LAYOUT           0x158
 233 #define OBD_FAIL_MDS_REINT_MULTI_NET            0x159
 234 #define OBD_FAIL_MDS_REINT_MULTI_NET_REP        0x15a
 235 #define OBD_FAIL_MDS_LLOG_CREATE_FAILED2        0x15b
 236 #define OBD_FAIL_MDS_FLD_LOOKUP                 0x15c
 237 #define OBD_FAIL_MDS_CHANGELOG_REORDER          0x15d
 238 #define OBD_FAIL_MDS_LLOG_UMOUNT_RACE           0x15e
 239 #define OBD_FAIL_MDS_CHANGELOG_RACE             0x15f
 240 #define OBD_FAIL_MDS_INTENT_DELAY               0x160
 241 #define OBD_FAIL_MDS_XATTR_REP                  0x161
 242 #define OBD_FAIL_MDS_TRACK_OVERFLOW             0x162
 243 #define OBD_FAIL_MDS_LOV_CREATE_RACE            0x163
 244 #define OBD_FAIL_MDS_HSM_CDT_DELAY              0x164
 245 #define OBD_FAIL_MDS_ORPHAN_DELETE              0x165
 246 #define OBD_FAIL_MDS_RMFID_NET                  0x166
 247 #define OBD_FAIL_MDS_CREATE_RACE                0x167
 248 #define OBD_FAIL_MDS_STATFS_SPOOF               0x168
 249 #define OBD_FAIL_MDS_REINT_OPEN                 0x169
 250 #define OBD_FAIL_MDS_REINT_OPEN2                0x16a
 251 #define OBD_FAIL_MDS_COMMITRW_DELAY             0x16b
 252 #define OBD_FAIL_MDS_CHANGELOG_DEL              0x16c
 253 #define OBD_FAIL_MDS_CHANGELOG_IDX_PUMP         0x16d
 254 #define OBD_FAIL_MDS_DELAY_DELORPHAN            0x16e
 255 #define OBD_FAIL_MDS_DIR_PAGE_WALK              0x16f
 256 /* continue at 0x2400, see below */
 257
 258 /* layout lock */
 259 #define OBD_FAIL_MDS_NO_LL_GETATTR       0x170
 260 #define OBD_FAIL_MDS_NO_LL_OPEN          0x171
 261 #define OBD_FAIL_MDS_LL_BLOCK            0x172
 262 #define OBD_FAIL_MDS_LOD_CREATE_PAUSE    0x173
 263 #define OBD_FAIL_MDS_CONNECT_VS_EVICT    0x174
 264 #define OBD_FAIL_MDS_DELAY_OPEN          0x175
 265
 266 /* CMD */
 267 #define OBD_FAIL_MDS_IS_SUBDIR_NET       0x180
 268 #define OBD_FAIL_MDS_IS_SUBDIR_PACK      0x181
 269 #define OBD_FAIL_MDS_SET_INFO_NET        0x182
 270 #define OBD_FAIL_MDS_WRITEPAGE_NET       0x183
 271 #define OBD_FAIL_MDS_WRITEPAGE_PACK      0x184
 272 #define OBD_FAIL_MDS_RECOVERY_ACCEPTS_GAPS 0x185
 273 #define OBD_FAIL_MDS_GET_INFO_NET        0x186
 274 #define OBD_FAIL_MDS_DQACQ_NET           0x187
 275 #define OBD_FAIL_MDS_STRIPE_CREATE       0x188
 276 #define OBD_FAIL_MDS_STRIPE_FID          0x189
 277 #define OBD_FAIL_MDS_LINK_RENAME_RACE    0x18a
 278 #define OBD_FAIL_MDS_HSM_RESTORE_RACE    0x18b
 279 #define OBD_FAIL_MDS_CHANGELOG_ENOSPC    0x18c
 280 #define OBD_FAIL_MDS_BATCH_NET           0x18d
 281
 282 /* OI scrub */
 283 #define OBD_FAIL_OSD_SCRUB_DELAY                        0x190
 284 #define OBD_FAIL_OSD_SCRUB_CRASH                        0x191
 285 #define OBD_FAIL_OSD_SCRUB_FATAL                        0x192
 286 #define OBD_FAIL_OSD_FID_MAPPING                        0x193
 287 #define OBD_FAIL_OSD_LMA_INCOMPAT                       0x194
 288 #define OBD_FAIL_OSD_COMPAT_INVALID_ENTRY               0x195
 289 #define OBD_FAIL_OSD_COMPAT_NO_ENTRY                    0x196
 290 #define OBD_FAIL_OSD_OST_EA_FID_SET                     0x197
 291 #define OBD_FAIL_OSD_NO_OI_ENTRY                        0x198
 292 #define OBD_FAIL_OSD_INDEX_CRASH                        0x199
 293 #define OBD_FAIL_OSD_TXN_START                          0x19a
 294 #define OBD_FAIL_OSD_DUPLICATE_MAP                      0x19b
 295 #define OBD_FAIL_OSD_REF_DEL                            0x19c
 296 #define OBD_FAIL_OSD_OI_ENOSPC                          0x19d
 297 #define OBD_FAIL_OSD_DOTDOT_ENOSPC                      0x19e
 298 #define OBD_FAIL_OSD_SCRUB_STALE                        0x19f
 299 #define OBD_FAIL_OSD_FID_REUSE                          0x1a0
 300
 301 #define OBD_FAIL_OFD_SET_OID                            0x1e0
 302 #define OBD_FAIL_OFD_COMMITRW_DELAY                     0x1e1
 303
 304 #define OBD_FAIL_OST                     0x200
 305 #define OBD_FAIL_OST_CONNECT_NET         0x201
 306 #define OBD_FAIL_OST_DISCONNECT_NET      0x202
 307 #define OBD_FAIL_OST_GET_INFO_NET        0x203
 308 #define OBD_FAIL_OST_CREATE_NET          0x204
 309 #define OBD_FAIL_OST_DESTROY_NET         0x205
 310 #define OBD_FAIL_OST_GETATTR_NET         0x206
 311 #define OBD_FAIL_OST_SETATTR_NET         0x207
 312 #define OBD_FAIL_OST_OPEN_NET            0x208
 313 #define OBD_FAIL_OST_CLOSE_NET           0x209
 314 #define OBD_FAIL_OST_BRW_NET             0x20a
 315 #define OBD_FAIL_OST_PUNCH_NET           0x20b
 316 #define OBD_FAIL_OST_STATFS_NET          0x20c
 317 #define OBD_FAIL_OST_HANDLE_UNPACK       0x20d
 318 #define OBD_FAIL_OST_BRW_WRITE_BULK      0x20e
 319 #define OBD_FAIL_OST_BRW_READ_BULK       0x20f
 320 #define OBD_FAIL_OST_SYNC_NET            0x210
 321 #define OBD_FAIL_OST_ALL_REPLY_NET       0x211
 322 #define OBD_FAIL_OST_ALL_REQUEST_NET     0x212
 323 #define OBD_FAIL_OST_LDLM_REPLY_NET      0x213
 324 #define OBD_FAIL_OST_BRW_PAUSE_BULK      0x214
 325 #define OBD_FAIL_OST_ENOSPC              0x215
 326 #define OBD_FAIL_OST_EROFS               0x216
 327 #define OBD_FAIL_SRV_ENOENT              0x217
 328 /*      OBD_FAIL_OST_QUOTACHECK_NET      0x218 obsolete since 2.4 */
 329 #define OBD_FAIL_OST_QUOTACTL_NET        0x219
 330 #define OBD_FAIL_OST_CHECKSUM_RECEIVE    0x21a
 331 #define OBD_FAIL_OST_CHECKSUM_SEND       0x21b
 332 #define OBD_FAIL_OST_BRW_SIZE            0x21c
 333 #define OBD_FAIL_OST_DROP_REQ            0x21d
 334 #define OBD_FAIL_OST_SETATTR_CREDITS     0x21e
 335 #define OBD_FAIL_OST_HOLD_WRITE_RPC      0x21f
 336 #define OBD_FAIL_OST_BRW_WRITE_BULK2     0x220
 337 #define OBD_FAIL_OST_LLOG_RECOVERY_TIMEOUT 0x221
 338 #define OBD_FAIL_OST_CANCEL_COOKIE_TIMEOUT 0x222
 339 #define OBD_FAIL_OST_PAUSE_CREATE        0x223
 340 #define OBD_FAIL_OST_BRW_PAUSE_PACK      0x224
 341 #define OBD_FAIL_OST_CONNECT_NET2        0x225
 342 #define OBD_FAIL_OST_NOMEM               0x226
 343 #define OBD_FAIL_OST_BRW_PAUSE_BULK2     0x227
 344 #define OBD_FAIL_OST_MAPBLK_ENOSPC       0x228
 345 #define OBD_FAIL_OST_ENOINO              0x229
 346 #define OBD_FAIL_OST_DQACQ_NET           0x230
 347 #define OBD_FAIL_OST_STATFS_EINPROGRESS  0x231
 348 #define OBD_FAIL_OST_SET_INFO_NET        0x232
 349 #define OBD_FAIL_OST_NODESTROY           0x233
 350 /*      OBD_FAIL_OST_READ_SIZE           0x234 obsolete since 2.14 */
 351 #define OBD_FAIL_OST_LADVISE_NET         0x235
 352 #define OBD_FAIL_OST_PAUSE_PUNCH         0x236
 353 #define OBD_FAIL_OST_LADVISE_PAUSE       0x237
 354 #define OBD_FAIL_OST_FAKE_RW             0x238
 355 #define OBD_FAIL_OST_LIST_ASSERT         0x239
 356 #define OBD_FAIL_OST_GL_WORK_ALLOC       0x240
 357 #define OBD_FAIL_OST_SKIP_LV_CHECK       0x241
 358 #define OBD_FAIL_OST_STATFS_DELAY        0x242
 359 #define OBD_FAIL_OST_INTEGRITY_FAULT     0x243
 360 #define OBD_FAIL_OST_INTEGRITY_CMP       0x244
 361 #define OBD_FAIL_OST_DISCONNECT_DELAY    0x245
 362 #define OBD_FAIL_OST_PREPARE_DELAY       0x247
 363 #define OBD_FAIL_OST_2BIG_NIOBUF         0x248
 364 #define OBD_FAIL_OST_FALLOCATE_NET       0x249
 365 #define OBD_FAIL_OST_SEEK_NET            0x24a
 366 #define OBD_FAIL_OST_WR_ATTR_DELAY       0x250
 367 #define OBD_FAIL_OST_RESTART_IO          0x251
 368 #define OBD_FAIL_OST_OPCODE              0x253
 369 #define OBD_FAIL_OST_DELORPHAN_DELAY     0x254
 370
 371 #define OBD_FAIL_LDLM                    0x300
 372 #define OBD_FAIL_LDLM_NAMESPACE_NEW      0x301
 373 #define OBD_FAIL_LDLM_ENQUEUE_NET        0x302
 374 #define OBD_FAIL_LDLM_CONVERT_NET        0x303
 375 #define OBD_FAIL_LDLM_CANCEL_NET         0x304
 376 #define OBD_FAIL_LDLM_BL_CALLBACK_NET    0x305
 377 #define OBD_FAIL_LDLM_CP_CALLBACK_NET    0x306
 378 #define OBD_FAIL_LDLM_GL_CALLBACK_NET    0x307
 379 #define OBD_FAIL_LDLM_ENQUEUE_EXTENT_ERR 0x308
 380 #define OBD_FAIL_LDLM_ENQUEUE_INTENT_ERR 0x309
 381 #define OBD_FAIL_LDLM_CREATE_RESOURCE    0x30a
 382 #define OBD_FAIL_LDLM_ENQUEUE_BLOCKED    0x30b
 383 #define OBD_FAIL_LDLM_REPLY              0x30c
 384 #define OBD_FAIL_LDLM_RECOV_CLIENTS      0x30d
 385 #define OBD_FAIL_LDLM_ENQUEUE_OLD_EXPORT 0x30e
 386 #define OBD_FAIL_LDLM_GLIMPSE            0x30f
 387 #define OBD_FAIL_LDLM_CANCEL_RACE        0x310
 388 #define OBD_FAIL_LDLM_CANCEL_EVICT_RACE  0x311
 389 #define OBD_FAIL_LDLM_PAUSE_CANCEL       0x312
 390 #define OBD_FAIL_LDLM_CLOSE_THREAD       0x313
 391 #define OBD_FAIL_LDLM_CANCEL_BL_CB_RACE  0x314
 392 #define OBD_FAIL_LDLM_CP_CB_WAIT         0x315
 393 #define OBD_FAIL_LDLM_OST_FAIL_RACE      0x316
 394 #define OBD_FAIL_LDLM_INTR_CP_AST        0x317
 395 #define OBD_FAIL_LDLM_CP_BL_RACE         0x318
 396 #define OBD_FAIL_LDLM_NEW_LOCK           0x319
 397 #define OBD_FAIL_LDLM_AGL_DELAY          0x31a
 398 #define OBD_FAIL_LDLM_AGL_NOLOCK         0x31b
 399 #define OBD_FAIL_LDLM_OST_LVB            0x31c
 400 #define OBD_FAIL_LDLM_ENQUEUE_HANG       0x31d
 401 #define OBD_FAIL_LDLM_BL_EVICT           0x31e
 402 #define OBD_FAIL_LDLM_PAUSE_CANCEL2      0x31f
 403 #define OBD_FAIL_LDLM_CP_CB_WAIT2        0x320
 404 #define OBD_FAIL_LDLM_CP_CB_WAIT3        0x321
 405 #define OBD_FAIL_LDLM_CP_CB_WAIT4        0x322
 406 #define OBD_FAIL_LDLM_CP_CB_WAIT5        0x323
 407 #define OBD_FAIL_LDLM_SRV_BL_AST         0x324
 408 #define OBD_FAIL_LDLM_SRV_CP_AST         0x325
 409 #define OBD_FAIL_LDLM_SRV_GL_AST         0x326
 410 #define OBD_FAIL_LDLM_WATERMARK_LOW      0x327
 411 #define OBD_FAIL_LDLM_WATERMARK_HIGH     0x328
 412 #define OBD_FAIL_LDLM_PAUSE_CANCEL_LOCAL 0x329
 413
 414 #define OBD_FAIL_LDLM_GRANT_CHECK        0x32a
 415 #define OBD_FAIL_LDLM_PROLONG_PAUSE      0x32b
 416 #define OBD_FAIL_LDLM_LOCAL_CANCEL_PAUSE 0x32c
 417 #define OBD_FAIL_LDLM_LOCK_REPLAY        0x32d
 418 #define OBD_FAIL_LDLM_REPLAY_PAUSE       0x32e
 419
 420 /* LOCKLESS IO */
 421 #define OBD_FAIL_LDLM_SET_CONTENTION     0x385
 422
 423 #define OBD_FAIL_OSC                     0x400
 424 #define OBD_FAIL_OSC_BRW_READ_BULK       0x401
 425 #define OBD_FAIL_OSC_BRW_WRITE_BULK      0x402
 426 #define OBD_FAIL_OSC_LOCK_BL_AST         0x403
 427 #define OBD_FAIL_OSC_LOCK_CP_AST         0x404
 428 #define OBD_FAIL_OSC_MATCH               0x405
 429 #define OBD_FAIL_OSC_BRW_PREP_REQ        0x406
 430 #define OBD_FAIL_OSC_SHUTDOWN            0x407
 431 #define OBD_FAIL_OSC_CHECKSUM_RECEIVE    0x408
 432 #define OBD_FAIL_OSC_CHECKSUM_SEND       0x409
 433 #define OBD_FAIL_OSC_BRW_PREP_REQ2       0x40a
 434 /* #define OBD_FAIL_OSC_CONNECT_CKSUM       0x40b Obsolete since 2.9 */
 435 #define OBD_FAIL_OSC_CKSUM_ADLER_ONLY    0x40c
 436 /*#define OBD_FAIL_OSC_DIO_PAUSE           0x40d removed in 2.0 */
 437 #define OBD_FAIL_OSC_OBJECT_CONTENTION   0x40e
 438 #define OBD_FAIL_OSC_CP_CANCEL_RACE      0x40f
 439 #define OBD_FAIL_OSC_CP_ENQ_RACE         0x410
 440 #define OBD_FAIL_OSC_NO_GRANT            0x411
 441 #define OBD_FAIL_OSC_DELAY_SETTIME       0x412
 442 #define OBD_FAIL_OSC_CONNECT_GRANT_PARAM 0x413
 443 #define OBD_FAIL_OSC_DELAY_IO            0x414
 444 #define OBD_FAIL_OSC_NO_SIZE_DATA        0x415
 445 #define OBD_FAIL_OSC_DELAY_CANCEL        0x416
 446 #define OBD_FAIL_OSC_SLOW_PAGE_EVICT     0x417
 447 #define OBD_FAIL_OSC_MARK_COMPRESSED     0x419
 448
 449 #define OBD_FAIL_PTLRPC                  0x500
 450 #define OBD_FAIL_PTLRPC_ACK              0x501
 451 #define OBD_FAIL_PTLRPC_RQBD             0x502
 452 #define OBD_FAIL_PTLRPC_BULK_GET_NET     0x503
 453 #define OBD_FAIL_PTLRPC_BULK_PUT_NET     0x504
 454 #define OBD_FAIL_PTLRPC_DROP_RPC         0x505
 455 #define OBD_FAIL_PTLRPC_DELAY_SEND       0x506
 456 #define OBD_FAIL_PTLRPC_DELAY_RECOV      0x507
 457 #define OBD_FAIL_PTLRPC_CLIENT_BULK_CB   0x508
 458 #define OBD_FAIL_PTLRPC_PAUSE_REQ        0x50a
 459 #define OBD_FAIL_PTLRPC_PAUSE_REP        0x50c
 460 #define OBD_FAIL_PTLRPC_IMP_DEACTIVE     0x50d
 461 #define OBD_FAIL_PTLRPC_DUMP_LOG         0x50e
 462 #define OBD_FAIL_PTLRPC_LONG_REPL_UNLINK 0x50f
 463 #define OBD_FAIL_PTLRPC_LONG_BULK_UNLINK 0x510
 464 #define OBD_FAIL_PTLRPC_HPREQ_TIMEOUT    0x511
 465 #define OBD_FAIL_PTLRPC_HPREQ_NOTIMEOUT  0x512
 466 #define OBD_FAIL_PTLRPC_DROP_REQ_OPC     0x513
 467 #define OBD_FAIL_PTLRPC_FINISH_REPLAY    0x514
 468 #define OBD_FAIL_PTLRPC_CLIENT_BULK_CB2  0x515
 469 #define OBD_FAIL_PTLRPC_DELAY_IMP_FULL   0x516
 470 #define OBD_FAIL_PTLRPC_CANCEL_RESEND    0x517
 471 #define OBD_FAIL_PTLRPC_DROP_BULK        0x51a
 472 #define OBD_FAIL_PTLRPC_LONG_REQ_UNLINK  0x51b
 473 #define OBD_FAIL_PTLRPC_LONG_BOTH_UNLINK 0x51c
 474 #define OBD_FAIL_PTLRPC_DROP_MGS         0x51d
 475 #define OBD_FAIL_PTLRPC_CLIENT_BULK_CB3  0x520
 476 #define OBD_FAIL_PTLRPC_BULK_ATTACH      0x521
 477 #define OBD_FAIL_PTLRPC_BULK_REPLY_ATTACH      0x522
 478 #define OBD_FAIL_PTLRPC_RESEND_RACE      0x525
 479 #define OBD_FAIL_PTLRPC_ROUND_XID        0x530
 480 #define OBD_FAIL_PTLRPC_CONNECT_RACE     0x531
 481 #define OBD_FAIL_PTLRPC_IDLE_RACE        0x533
 482 #define OBD_FAIL_PTLRPC_ENQ_RESEND       0x534
 483 #define OBD_FAIL_PTLRPC_DELAY_SEND_FAIL  0x535
 484 #define OBD_FAIL_PTLRPC_REPLAY_PAUSE     0x536
 485
 486 #define OBD_FAIL_OBD_PING_NET            0x600
 487 /*      OBD_FAIL_OBD_LOG_CANCEL_NET      0x601 obsolete since 1.5 */
 488 #define OBD_FAIL_OBD_LOGD_NET            0x602
 489 /*      OBD_FAIL_OBD_QC_CALLBACK_NET     0x603 obsolete since 2.4 */
 490 #define OBD_FAIL_OBD_DQACQ               0x604
 491 #define OBD_FAIL_OBD_LLOG_SETUP          0x605
 492 /*      OBD_FAIL_OBD_LOG_CANCEL_REP      0x606 obsolete since 1.5 */
 493 #define OBD_FAIL_OBD_IDX_READ_NET        0x607
 494 #define OBD_FAIL_OBD_IDX_READ_BREAK      0x608
 495 #define OBD_FAIL_OBD_NO_LRU              0x609
 496 #define OBD_FAIL_OBDCLASS_MODULE_LOAD    0x60a
 497 #define OBD_FAIL_OBD_ZERO_NLINK_RACE     0x60b
 498 #define OBD_FAIL_OBD_STOP_MDS_RACE       0x60c
 499 #define OBD_FAIL_OBD_SETUP               0x60d
 500 #define OBD_FAIL_OBD_CLEANUP             0x60e
 501
 502 #define OBD_FAIL_TGT_REPLY_NET           0x700
 503 #define OBD_FAIL_TGT_CONN_RACE           0x701
 504 #define OBD_FAIL_TGT_FORCE_RECONNECT     0x702
 505 #define OBD_FAIL_TGT_DELAY_CONNECT       0x703
 506 #define OBD_FAIL_TGT_DELAY_RECONNECT     0x704
 507 #define OBD_FAIL_TGT_DELAY_PRECREATE     0x705
 508 #define OBD_FAIL_TGT_TOOMANY_THREADS     0x706
 509 #define OBD_FAIL_TGT_REPLAY_DROP         0x707
 510 #define OBD_FAIL_TGT_FAKE_EXP            0x708
 511 #define OBD_FAIL_TGT_REPLAY_DELAY        0x709
 512 /* #define OBD_FAIL_TGT_LAST_REPLAY         0x710 (obsoleted) */
 513 #define OBD_FAIL_TGT_CLIENT_ADD          0x711
 514 #define OBD_FAIL_TGT_RCVG_FLAG           0x712
 515 #define OBD_FAIL_TGT_DELAY_CONDITIONAL   0x713
 516 #define OBD_FAIL_TGT_REPLAY_DELAY2       0x714
 517 #define OBD_FAIL_TGT_REPLAY_RECONNECT    0x715
 518 #define OBD_FAIL_TGT_MOUNT_RACE          0x716
 519 #define OBD_FAIL_TGT_REPLAY_TIMEOUT      0x717
 520 #define OBD_FAIL_TGT_CLIENT_DEL          0x718
 521 #define OBD_FAIL_TGT_SLUGGISH_NET        0x719
 522 #define OBD_FAIL_TGT_RCVD_EIO            0x720
 523 #define OBD_FAIL_TGT_RECOVERY_REQ_RACE   0x721
 524 #define OBD_FAIL_TGT_REPLY_DATA_RACE     0x722
 525 #define OBD_FAIL_TGT_RECOVERY_CONNECT    0x724
 526 #define OBD_FAIL_TGT_NO_GRANT            0x725
 527 #define OBD_FAIL_TGT_TXN_NO_CANCEL       0x726
 528
 529 #define OBD_FAIL_MDC_REVALIDATE_PAUSE    0x800
 530 #define OBD_FAIL_MDC_ENQUEUE_PAUSE       0x801
 531 #define OBD_FAIL_MDC_OLD_EXT_FLAGS       0x802
 532 #define OBD_FAIL_MDC_GETATTR_ENQUEUE     0x803
 533 #define OBD_FAIL_MDC_RPCS_SEM            0x804 /* deprecated */
 534 #define OBD_FAIL_MDC_LIGHTWEIGHT         0x805
 535 #define OBD_FAIL_MDC_CLOSE               0x806
 536 #define OBD_FAIL_MDC_MERGE               0x807
 537 #define OBD_FAIL_MDC_GLIMPSE_DDOS        0x808
 538
 539 #define OBD_FAIL_MGS                     0x900
 540 #define OBD_FAIL_MGS_ALL_REQUEST_NET     0x901
 541 #define OBD_FAIL_MGS_ALL_REPLY_NET       0x902
 542 #define OBD_FAIL_MGC_PAUSE_PROCESS_LOG   0x903
 543 #define OBD_FAIL_MGS_PAUSE_REQ           0x904
 544 #define OBD_FAIL_MGS_PAUSE_TARGET_REG    0x905
 545 #define OBD_FAIL_MGS_CONNECT_NET         0x906
 546 #define OBD_FAIL_MGS_DISCONNECT_NET      0x907
 547 #define OBD_FAIL_MGS_SET_INFO_NET        0x908
 548 #define OBD_FAIL_MGS_EXCEPTION_NET       0x909
 549 #define OBD_FAIL_MGS_TARGET_REG_NET      0x90a
 550 #define OBD_FAIL_MGS_TARGET_DEL_NET      0x90b
 551 #define OBD_FAIL_MGS_CONFIG_READ_NET     0x90c
 552 #define OBD_FAIL_MGS_LDLM_REPLY_NET      0x90d
 553 #define OBD_FAIL_MGS_WRITE_TARGET_DELAY  0x90e
 554
 555 #define OBD_FAIL_QUOTA_DQACQ_NET         0xA01
 556 #define OBD_FAIL_QUOTA_EDQUOT            0xA02
 557 #define OBD_FAIL_QUOTA_DELAY_REINT       0xA03
 558 #define OBD_FAIL_QUOTA_RECOVERABLE_ERR   0xA04
 559 #define OBD_FAIL_QUOTA_INIT              0xA05
 560 #define OBD_FAIL_QUOTA_PREACQ            0xA06
 561 #define OBD_FAIL_QUOTA_RECALC            0xA07
 562 #define OBD_FAIL_QUOTA_GRANT             0xA08
 563 #define OBD_FAIL_QUOTA_NOSYNC            0xA09
 564
 565 #define OBD_FAIL_LPROC_REMOVE            0xB00
 566
 567 #define OBD_FAIL_SEQ                     0x1000
 568 #define OBD_FAIL_SEQ_QUERY_NET           0x1001
 569 #define OBD_FAIL_SEQ_EXHAUST             0x1002
 570
 571 #define OBD_FAIL_FLD                     0x1100
 572 #define OBD_FAIL_FLD_QUERY_NET           0x1101
 573 #define OBD_FAIL_FLD_READ_NET            0x1102
 574 #define OBD_FAIL_FLD_QUERY_REQ           0x1103
 575
 576 #define OBD_FAIL_SEC_CTX                 0x1200
 577 #define OBD_FAIL_SEC_CTX_INIT_NET        0x1201
 578 #define OBD_FAIL_SEC_CTX_INIT_CONT_NET   0x1202
 579 #define OBD_FAIL_SEC_CTX_FINI_NET        0x1203
 580 #define OBD_FAIL_SEC_CTX_HDL_PAUSE       0x1204
 581
 582 #define OBD_FAIL_LLOG                               0x1300
 583 /* was  OBD_FAIL_LLOG_ORIGIN_CONNECT_NET            0x1301 until 2.4 */
 584 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_CREATE_NET      0x1302
 585 /* was  OBD_FAIL_LLOG_ORIGIN_HANDLE_DESTROY_NET     0x1303 until 2.11 */
 586 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_READ_HEADER_NET 0x1304
 587 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_NEXT_BLOCK_NET  0x1305
 588 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_PREV_BLOCK_NET  0x1306
 589 /* was  OBD_FAIL_LLOG_ORIGIN_HANDLE_WRITE_REC_NET   0x1307 until 2.1 */
 590 /* was  OBD_FAIL_LLOG_ORIGIN_HANDLE_CLOSE_NET       0x1308 until 1.8 */
 591 /* was  OBD_FAIL_LLOG_CATINFO_NET                   0x1309 until 2.3 */
 592 #define OBD_FAIL_MDS_SYNC_CAPA_SL                   0x1310
 593 #define OBD_FAIL_SEQ_ALLOC                          0x1311
 594 #define OBD_FAIL_CAT_RECORDS                        0x1312
 595 #define OBD_FAIL_CAT_FREE_RECORDS                   0x1313
 596 #define OBD_FAIL_TIME_IN_CHLOG_USER                 0x1314
 597 #define CFS_FAIL_CHLOG_USER_REG_UNREG_RACE          0x1315
 598 #define OBD_FAIL_FORCE_GC_THREAD                    0x1316
 599 #define OBD_FAIL_LLOG_PROCESS_TIMEOUT               0x1317
 600 #define OBD_FAIL_LLOG_PURGE_DELAY                   0x1318
 601 #define OBD_FAIL_PLAIN_RECORDS                      0x1319
 602 #define OBD_FAIL_CATALOG_FULL_CHECK                 0x131a
 603 #define OBD_FAIL_CATLIST                            0x131b
 604 #define OBD_FAIL_LLOG_PAUSE_AFTER_PAD               0x131c
 605 #define OBD_FAIL_LLOG_ADD_GAP                       0x131d
 606
 607 #define OBD_FAIL_LLITE                              0x1400
 608 #define OBD_FAIL_LLITE_FAULT_TRUNC_RACE             0x1401
 609 #define OBD_FAIL_LOCK_STATE_WAIT_INTR               0x1402
 610 #define OBD_FAIL_LOV_INIT                           0x1403
 611 #define OBD_FAIL_GLIMPSE_DELAY                      0x1404
 612 #define OBD_FAIL_LLITE_XATTR_ENOMEM                 0x1405
 613 #define OBD_FAIL_MAKE_LOVEA_HOLE                    0x1406
 614 #define OBD_FAIL_LLITE_LOST_LAYOUT                  0x1407
 615 #define OBD_FAIL_LLITE_NO_CHECK_DEAD                0x1408
 616 #define OBD_FAIL_GETATTR_DELAY                      0x1409
 617 #define OBD_FAIL_LLITE_CREATE_FILE_PAUSE            0x1409
 618 #define OBD_FAIL_LLITE_NEWNODE_PAUSE                0x140a
 619 #define OBD_FAIL_LLITE_SETDIRSTRIPE_PAUSE           0x140b
 620 #define OBD_FAIL_LLITE_CREATE_NODE_PAUSE            0x140c
 621 #define OBD_FAIL_LLITE_IMUTEX_SEC                   0x140e
 622 #define OBD_FAIL_LLITE_IMUTEX_NOSEC                 0x140f
 623 #define OBD_FAIL_LLITE_OPEN_BY_NAME                 0x1410
 624 #define OBD_FAIL_LLITE_PCC_FAKE_ERROR               0x1411
 625 #define OBD_FAIL_LLITE_PCC_DETACH_MKWRITE           0x1412
 626 #define OBD_FAIL_LLITE_PCC_MKWRITE_PAUSE            0x1413
 627 #define OBD_FAIL_LLITE_PCC_ATTACH_PAUSE             0x1414
 628 #define OBD_FAIL_LLITE_SHORT_COMMIT                 0x1415
 629 #define OBD_FAIL_LLITE_CREATE_FILE_PAUSE2           0x1416
 630 #define OBD_FAIL_LLITE_RACE_MOUNT                   0x1417
 631 #define OBD_FAIL_LLITE_PAGE_ALLOC                   0x1418
 632 #define OBD_FAIL_LLITE_OPEN_DELAY                   0x1419
 633 #define OBD_FAIL_LLITE_XATTR_PAUSE                  0x1420
 634 #define OBD_FAIL_LLITE_PAGE_INVALIDATE_PAUSE        0x1421
 635 #define OBD_FAIL_LLITE_READPAGE_PAUSE               0x1422
 636 #define OBD_FAIL_LLITE_PANIC_ON_ESTALE              0x1423
 637 #define OBD_FAIL_LLITE_READPAGE_PAUSE2              0x1424
 638 #define OBD_FAIL_LOV_MIRROR_INIT                    0x1425
 639 #define OBD_FAIL_LOV_COMP_MAGIC                     0x1426
 640 #define OBD_FAIL_LOV_COMP_PATTERN                   0x1427
 641 #define OBD_FAIL_LOV_INVALID_OSTIDX                 0x1428
 642 #define OBD_FAIL_LLITE_DELAY_TRUNCATE               0x1430
 643 #define OBD_FAIL_LLITE_READ_PAUSE                   0x1431
 644 #define OBD_FAIL_LLITE_FAULT_PAUSE                  0x1432
 645
 646 #define OBD_FAIL_FID_INDIR      0x1501
 647 #define OBD_FAIL_FID_INLMA      0x1502
 648 #define OBD_FAIL_FID_IGIF       0x1504
 649 #define OBD_FAIL_FID_LOOKUP     0x1505
 650 #define OBD_FAIL_FID_NOLMA      0x1506
 651
 652 /* LFSCK */
 653 #define OBD_FAIL_LFSCK_DELAY1           0x1600
 654 #define OBD_FAIL_LFSCK_DELAY2           0x1601
 655 #define OBD_FAIL_LFSCK_DELAY3           0x1602
 656 #define OBD_FAIL_LFSCK_LINKEA_CRASH     0x1603
 657 #define OBD_FAIL_LFSCK_LINKEA_MORE      0x1604
 658 #define OBD_FAIL_LFSCK_LINKEA_MORE2     0x1605
 659 #define OBD_FAIL_LFSCK_FATAL1           0x1608
 660 #define OBD_FAIL_LFSCK_FATAL2           0x1609
 661 #define OBD_FAIL_LFSCK_CRASH            0x160a
 662 #define OBD_FAIL_LFSCK_NO_AUTO          0x160b
 663 #define OBD_FAIL_LFSCK_NO_DOUBLESCAN    0x160c
 664 #define OBD_FAIL_LFSCK_SKIP_LASTID      0x160d
 665 #define OBD_FAIL_LFSCK_DELAY4           0x160e
 666 #define OBD_FAIL_LFSCK_BAD_LMMOI        0x160f
 667 #define OBD_FAIL_LFSCK_DANGLING         0x1610
 668 #define OBD_FAIL_LFSCK_UNMATCHED_PAIR1  0x1611
 669 #define OBD_FAIL_LFSCK_UNMATCHED_PAIR2  0x1612
 670 #define OBD_FAIL_LFSCK_BAD_OWNER        0x1613
 671 #define OBD_FAIL_LFSCK_MULTIPLE_REF     0x1614
 672 #define OBD_FAIL_LFSCK_LOST_STRIPE      0x1615
 673 #define OBD_FAIL_LFSCK_LOST_MDTOBJ      0x1616
 674 #define OBD_FAIL_LFSCK_NOPFID           0x1617
 675 #define OBD_FAIL_LFSCK_CHANGE_STRIPE    0x1618
 676 #define OBD_FAIL_LFSCK_INVALID_PFID     0x1619
 677 #define OBD_FAIL_LFSCK_LOST_SPEOBJ      0x161a
 678 #define OBD_FAIL_LFSCK_DELAY5           0x161b
 679 #define OBD_FAIL_LFSCK_BAD_NETWORK      0x161c
 680 #define OBD_FAIL_LFSCK_NO_LINKEA        0x161d
 681 #define OBD_FAIL_LFSCK_BAD_PARENT       0x161e
 682 #define OBD_FAIL_LFSCK_DANGLING2        0x1620
 683 #define OBD_FAIL_LFSCK_DANGLING3        0x1621
 684 #define OBD_FAIL_LFSCK_MUL_REF          0x1622
 685 #define OBD_FAIL_LFSCK_BAD_TYPE         0x1623
 686 #define OBD_FAIL_LFSCK_NO_NAMEENTRY     0x1624
 687 #define OBD_FAIL_LFSCK_LESS_NLINK       0x1626
 688 #define OBD_FAIL_LFSCK_BAD_NAME_HASH    0x1628
 689 #define OBD_FAIL_LFSCK_LOST_MASTER_LMV  0x1629
 690 #define OBD_FAIL_LFSCK_LOST_SLAVE_LMV   0x162a
 691 #define OBD_FAIL_LFSCK_BAD_SLAVE_LMV    0x162b
 692 #define OBD_FAIL_LFSCK_BAD_SLAVE_NAME   0x162c
 693 #define OBD_FAIL_LFSCK_ENGINE_DELAY     0x162d
 694 #define OBD_FAIL_LFSCK_LOST_MDTOBJ2     0x162e
 695 #define OBD_FAIL_LFSCK_BAD_PFL_RANGE    0x162f
 696 #define OBD_FAIL_LFSCK_NO_AGENTOBJ      0x1630
 697 #define OBD_FAIL_LFSCK_NO_AGENTENT      0x1631
 698 #define OBD_FAIL_LFSCK_NO_ENCFLAG       0x1632
 699
 700 #define OBD_FAIL_LFSCK_NOTIFY_NET       0x16f0
 701 #define OBD_FAIL_LFSCK_QUERY_NET        0x16f1
 702
 703 /* UPDATE */
 704 #define OBD_FAIL_OUT_UPDATE_NET         0x1700
 705 #define OBD_FAIL_OUT_UPDATE_NET_REP     0x1701
 706 #define OBD_FAIL_SPLIT_UPDATE_REC       0x1702
 707 #define OBD_FAIL_LARGE_STRIPE           0x1703
 708 #define OBD_FAIL_OUT_ENOSPC             0x1704
 709 #define OBD_FAIL_INVALIDATE_UPDATE      0x1705
 710 #define OBD_FAIL_OUT_UPDATE_DROP        0x1707
 711 #define OBD_FAIL_OUT_OBJECT_MISS        0x1708
 712 #define OBD_FAIL_OUT_EIO                0x1709
 713 #define OBD_FAIL_BUT_UPDATE_NET_REP     0x170a
 714 #define OBD_FAIL_OUT_DROP_DESTROY       0x170b
 715
 716 /* MIGRATE */
 717 #define OBD_FAIL_MIGRATE_ENTRIES                0x1801
 718 #define OBD_FAIL_MIGRATE_BAD_HASH               0x1802
 719
 720 /* LMV */
 721 #define OBD_FAIL_LMV_UNKNOWN_STRIPE             0x1901
 722
 723 /* FLR */
 724 #define OBD_FAIL_FLR_LV_DELAY                   0x1A01
 725 #define OBD_FAIL_FLR_LV_INC                     0x1A02 /* unused since 2.15 */
 726 #define OBD_FAIL_FLR_RANDOM_PICK_MIRROR         0x1A03
 727
 728 /* DT */
 729 #define OBD_FAIL_DT_DECLARE_ATTR_GET            0x2000
 730 #define OBD_FAIL_DT_ATTR_GET                    0x2001
 731 #define OBD_FAIL_DT_DECLARE_ATTR_SET            0x2002
 732 #define OBD_FAIL_DT_ATTR_SET                    0x2003
 733 #define OBD_FAIL_DT_DECLARE_XATTR_GET           0x2004
 734 #define OBD_FAIL_DT_XATTR_GET                   0x2005
 735 #define OBD_FAIL_DT_DECLARE_XATTR_SET           0x2006
 736 #define OBD_FAIL_DT_XATTR_SET                   0x2007
 737 #define OBD_FAIL_DT_DECLARE_XATTR_DEL           0x2008
 738 #define OBD_FAIL_DT_XATTR_DEL                   0x2009
 739 #define OBD_FAIL_DT_XATTR_LIST                  0x200a
 740 #define OBD_FAIL_DT_DECLARE_CREATE              0x200b
 741 #define OBD_FAIL_DT_CREATE                      0x200c
 742 #define OBD_FAIL_DT_DECLARE_DESTROY             0x200d
 743 #define OBD_FAIL_DT_DESTROY                     0x200e
 744 #define OBD_FAIL_DT_INDEX_TRY                   0x200f
 745 #define OBD_FAIL_DT_DECLARE_REF_ADD             0x2010
 746 #define OBD_FAIL_DT_REF_ADD                     0x2011
 747 #define OBD_FAIL_DT_DECLARE_REF_DEL             0x2012
 748 #define OBD_FAIL_DT_REF_DEL                     0x2013
 749 #define OBD_FAIL_DT_DECLARE_INSERT              0x2014
 750 #define OBD_FAIL_DT_INSERT                      0x2015
 751 #define OBD_FAIL_DT_DECLARE_DELETE              0x2016
 752 #define OBD_FAIL_DT_DELETE                      0x2017
 753 #define OBD_FAIL_DT_LOOKUP                      0x2018
 754 #define OBD_FAIL_DT_TXN_STOP                    0x2019
 755
 756 #define OBD_FAIL_OSP_CHECK_INVALID_REC          0x2100
 757 #define OBD_FAIL_OSP_CHECK_ENOMEM               0x2101
 758 #define OBD_FAIL_OSP_FAKE_PRECREATE             0x2102
 759 #define OBD_FAIL_OSP_RPCS_SEM                   0x2104
 760 #define OBD_FAIL_OSP_CANT_PROCESS_LLOG          0x2105
 761 #define OBD_FAIL_OSP_INVALID_LOGID              0x2106
 762 #define OBD_FAIL_OSP_CON_EVENT_DELAY            0x2107
 763 #define OBD_FAIL_OSP_FAIL_SEQ_ALLOC             0x2109
 764
 765 /* barrier */
 766 #define OBD_FAIL_MGS_BARRIER_READ_NET           0x2200
 767 #define OBD_FAIL_MGS_BARRIER_NOTIFY_NET         0x2201
 768
 769 #define OBD_FAIL_BARRIER_DELAY                  0x2202
 770 #define OBD_FAIL_BARRIER_FAILURE                0x2203
 771
 772 #define OBD_FAIL_OSD_FAIL_AT_TRUNCATE           0x2301
 773 #define OBD_FAIL_OSD_MARK_COMPRESSED            0x2302
 774
 775 /* continuation of MDS related constants */
 776 #define OBD_FAIL_MDS_PAUSE_CREATE_AFTER_LOOKUP  0x2401
 777
 778 /* PLEASE, KEEP NUMBERS UP TO 0x3000 RESERVED FOR OBD_FAIL_MDS_* */
 779
 780 #define LUT_FAIL_CLASS(fail_id)                 (((fail_id) >> 8) << 16)
 781 #define LUT_FAIL_MGT                            LUT_FAIL_CLASS(OBD_FAIL_MGS)
 782 #define LUT_FAIL_MDT                            LUT_FAIL_CLASS(OBD_FAIL_MDS)
 783 #define LUT_FAIL_OST                            LUT_FAIL_CLASS(OBD_FAIL_OST)
 784
 785 extern atomic64_t libcfs_kmem;
 786
 787 #ifdef CONFIG_PROC_FS
 788 #define obd_memory_add(size)                                                  \
 789         lprocfs_counter_add(obd_memory, OBD_MEMORY_STAT, (long)(size))
 790 #define obd_memory_sub(size)                                                  \
 791         lprocfs_counter_sub(obd_memory, OBD_MEMORY_STAT, (long)(size))
 792 #define obd_memory_sum()                                                      \
 793         lprocfs_stats_collector(obd_memory, OBD_MEMORY_STAT,                  \
 794                                 LPROCFS_FIELDS_FLAGS_SUM)
 795
 796 extern void obd_update_maxusage(void);
 797 extern __u64 obd_memory_max(void);
 798
 799 #else /* CONFIG_PROC_FS */
 800
 801 extern __u64 obd_alloc;
 802
 803 extern __u64 obd_max_alloc;
 804
 805 static inline void obd_memory_add(long size)
 806 {
 807         obd_alloc += size;
 808         if (obd_alloc > obd_max_alloc)
 809                 obd_max_alloc = obd_alloc;
 810 }
 811
 812 static inline void obd_memory_sub(long size)
 813 {
 814         obd_alloc -= size;
 815 }
 816
 817 #define obd_memory_sum() (obd_alloc)
 818
 819 #define obd_memory_max() (obd_max_alloc)
 820
 821 #endif /* !CONFIG_PROC_FS */
 822
 823 #define OBD_DEBUG_MEMUSAGE (1)
 824
 825 #if OBD_DEBUG_MEMUSAGE
 826 /* message format here needs to match regexp in lustre/tests/leak_finder.pl */
 827 #define OBD_ALLOC_POST(ptr, size, name)                                 \
 828         obd_memory_add(size);                                           \
 829         LIBCFS_MEM_MSG(ptr, size, name)
 830
 831 /* message format here needs to match regexp in lustre/tests/leak_finder.pl */
 832 #define OBD_FREE_PRE(ptr, size, name)                                   \
 833 do {                                                                    \
 834         if (likely(ptr)) {                                              \
 835                 obd_memory_sub(size);                                   \
 836                 LIBCFS_MEM_MSG(ptr, size, name);                        \
 837         }                                                               \
 838 } while (0)
 839
 840 #else /* !OBD_DEBUG_MEMUSAGE */
 841
 842 #define OBD_ALLOC_POST(ptr, size, name) ((void)0)
 843 #define OBD_FREE_PRE(ptr, size, name)   ((void)0)
 844
 845 #endif /* !OBD_DEBUG_MEMUSAGE */
 846
 847 #define __OBD_MALLOC_VERBOSE(ptr, cptab, cpt, size, flags)                    \
 848 do {                                                                          \
 849         if (cptab)                                                            \
 850                 ptr = cfs_cpt_malloc((cptab), (cpt), (size),                  \
 851                                      (flags) | __GFP_ZERO | __GFP_NOWARN);    \
 852         if (!(cptab) || unlikely(!(ptr))) /* retry without CPT if failure */  \
 853                 ptr = kmalloc(size, (flags) | __GFP_ZERO);                    \
 854         if (likely((ptr) != NULL))                                            \
 855                 OBD_ALLOC_POST((ptr), (size), "kmalloced");                   \
 856 } while (0)
 857
 858 #define OBD_ALLOC_GFP(ptr, size, gfp_mask)                                    \
 859         __OBD_MALLOC_VERBOSE(ptr, NULL, 0, size, gfp_mask)
 860
 861 #define OBD_ALLOC(ptr, size) OBD_ALLOC_GFP(ptr, size, GFP_NOFS)
 862 #define OBD_ALLOC_WAIT(ptr, size) OBD_ALLOC_GFP(ptr, size, GFP_KERNEL)
 863 #define OBD_ALLOC_PTR(ptr) OBD_ALLOC(ptr, sizeof(*(ptr)))
 864 #define OBD_ALLOC_PTR_WAIT(ptr) OBD_ALLOC_WAIT(ptr, sizeof(*(ptr)))
 865 #define OBD_ALLOC_PTR_ARRAY(ptr, n) OBD_ALLOC(ptr, (n) * sizeof(*(ptr)))
 866 #define OBD_ALLOC_PTR_ARRAY_WAIT(ptr, n)                                      \
 867                 OBD_ALLOC_WAIT(ptr, (n) * sizeof(*(ptr)))
 868
 869 #define OBD_CPT_ALLOC_GFP(ptr, cptab, cpt, size, gfp_mask)                    \
 870         __OBD_MALLOC_VERBOSE(ptr, cptab, cpt, size, gfp_mask)
 871
 872 #define OBD_CPT_ALLOC(ptr, cptab, cpt, size)                                  \
 873         OBD_CPT_ALLOC_GFP(ptr, cptab, cpt, size, GFP_NOFS)
 874
 875 #define OBD_CPT_ALLOC_PTR(ptr, cptab, cpt)                                    \
 876         OBD_CPT_ALLOC(ptr, cptab, cpt, sizeof(*(ptr)))
 877
 878 /* Direct use of __vmalloc() allows for protection flag specification
 879  * (and particularly to not set __GFP_FS, which is likely to cause some
 880  * deadlock situations in our code).
 881  */
 882 #define __OBD_VMALLOC_VERBOSE(ptr, cptab, cpt, size)                          \
 883 do {                                                                          \
 884         (ptr) = cptab == NULL ?                                               \
 885                 __ll_vmalloc(size, GFP_NOFS | __GFP_HIGHMEM | __GFP_ZERO) :   \
 886                 cfs_cpt_vzalloc(cptab, cpt, size);                            \
 887         if (unlikely((ptr) == NULL)) {                                        \
 888                 CERROR("vmalloc of '" #ptr "' (%d bytes) failed\n",           \
 889                        (int)(size));                                          \
 890                 CERROR("%llu total bytes allocated by Lustre, %lld by LNET\n",\
 891                        obd_memory_sum(), libcfs_kmem_read());\
 892         } else {                                                              \
 893                 OBD_ALLOC_POST(ptr, size, "vmalloced");                       \
 894         }                                                                     \
 895 } while(0)
 896
 897 #define OBD_VMALLOC(ptr, size)                                                \
 898          __OBD_VMALLOC_VERBOSE(ptr, NULL, 0, size)
 899 #define OBD_CPT_VMALLOC(ptr, cptab, cpt, size)                                \
 900          __OBD_VMALLOC_VERBOSE(ptr, cptab, cpt, size)
 901
 902 #define OBD_ALLOC_LARGE(ptr, size)                                            \
 903 do {                                                                          \
 904         /* LU-8196 - force large allocations to use vmalloc, not kmalloc */   \
 905         if ((size) > KMALLOC_MAX_SIZE)                                        \
 906                 ptr = NULL;                                                   \
 907         else                                                                  \
 908                 OBD_ALLOC_GFP(ptr, size, GFP_NOFS | __GFP_NOWARN |            \
 909                               (((size) > PAGE_SIZE) ? __GFP_NORETRY : 0));    \
 910         if (ptr == NULL)                                                      \
 911                 OBD_VMALLOC(ptr, size);                                       \
 912 } while (0)
 913
 914 #define OBD_ALLOC_PTR_ARRAY_LARGE(ptr, n)                               \
 915         OBD_ALLOC_LARGE(ptr, (n) * sizeof(*(ptr)))
 916
 917 #define OBD_CPT_ALLOC_LARGE(ptr, cptab, cpt, size)                            \
 918 do {                                                                          \
 919         OBD_CPT_ALLOC_GFP(ptr, cptab, cpt, size, GFP_NOFS | __GFP_NOWARN);    \
 920         if (ptr == NULL)                                                      \
 921                 OBD_CPT_VMALLOC(ptr, cptab, cpt, size);                       \
 922 } while (0)
 923
 924 #ifdef CONFIG_DEBUG_SLAB
 925 #define POISON(ptr, c, s) do {} while (0)
 926 #define POISON_PTR(ptr)  ((void)0)
 927 #else
 928 #ifdef __underlying_memset
 929 #define POISON(ptr, c, s) __underlying_memset(ptr, c, s)
 930 #else
 931 #define POISON(ptr, c, s) memset(ptr, c, s)
 932 #endif
 933 #define POISON_PTR(ptr)  (ptr) = (void *)0xdeadbeef
 934 #endif
 935
 936 #ifdef POISON_BULK
 937 #define POISON_PAGE(page, val) do { memset(kmap(page), val, PAGE_SIZE); \
 938                                     kunmap(page); } while (0)
 939 #else
 940 #define POISON_PAGE(page, val) do { } while (0)
 941 #endif
 942
 943 #define OBD_FREE(ptr, size)                                                   \
 944 do {                                                                          \
 945         if (likely(ptr)) {                                                    \
 946                 OBD_FREE_PRE(ptr, size, "kfreed");                            \
 947                 POISON(ptr, 0x5a, size);                                      \
 948                 kfree(ptr);                                                   \
 949                 POISON_PTR(ptr);                                              \
 950         }                                                                     \
 951 } while (0)
 952
 953 #define OBD_FREE_LARGE(ptr, size)                                             \
 954 do {                                                                          \
 955         if (is_vmalloc_addr(ptr)) {                                           \
 956                 OBD_FREE_PRE(ptr, size, "vfreed");                            \
 957                 POISON(ptr, 0x5a, size);                                      \
 958                 libcfs_vfree_atomic(ptr);                                     \
 959                 POISON_PTR(ptr);                                              \
 960         } else {                                                              \
 961                 OBD_FREE(ptr, size);                                          \
 962         }                                                                     \
 963 } while (0)
 964
 965 #define OBD_FREE_PTR_ARRAY_LARGE(ptr, n)                        \
 966         OBD_FREE_LARGE(ptr, (n) * sizeof(*(ptr)))
 967
 968 /* we memset() the slab object to 0 when allocation succeeds, so DO NOT
 969  * HAVE A CTOR THAT DOES ANYTHING.  its work will be cleared here.  we'd
 970  * love to assert on that, but slab.c keeps kmem_cache_s all to itself. */
 971 #define OBD_SLAB_FREE_RTN0(ptr, slab)                                         \
 972 ({                                                                            \
 973         kmem_cache_free((slab), (ptr));                                       \
 974         (ptr) = NULL;                                                         \
 975         0;                                                                    \
 976 })
 977
 978 #define __OBD_SLAB_ALLOC_VERBOSE(ptr, slab, cptab, cpt, size, type)           \
 979 do {                                                                          \
 980         LASSERT(ergo((type) != GFP_ATOMIC, !in_interrupt()));                 \
 981         (ptr) = (cptab) == NULL ?                                             \
 982                 kmem_cache_zalloc(slab, (type)) :                             \
 983                 cfs_mem_cache_cpt_alloc(slab, cptab, cpt, (type) | __GFP_ZERO); \
 984         if (likely((ptr)))                                                    \
 985                 OBD_ALLOC_POST(ptr, size, "slab-alloced");                    \
 986 } while(0)
 987
 988 #define OBD_SLAB_ALLOC_GFP(ptr, slab, size, flags)                            \
 989         __OBD_SLAB_ALLOC_VERBOSE(ptr, slab, NULL, 0, size, flags)
 990 #define OBD_SLAB_CPT_ALLOC_GFP(ptr, slab, cptab, cpt, size, flags)            \
 991         __OBD_SLAB_ALLOC_VERBOSE(ptr, slab, cptab, cpt, size, flags)
 992
 993 #define OBD_FREE_PTR(ptr) OBD_FREE(ptr, sizeof(*(ptr)))
 994 #define OBD_FREE_PTR_ARRAY(ptr, n) OBD_FREE(ptr, (n) * sizeof(*(ptr)))
 995
 996 #define OBD_SLAB_FREE(ptr, slab, size)                                        \
 997 do {                                                                          \
 998         if (likely(ptr)) {                                                    \
 999                 OBD_FREE_PRE(ptr, size, "slab-freed");                        \
1000                 POISON(ptr, 0x5a, size);                                      \
1001                 kmem_cache_free(slab, ptr);                                   \
1002                 POISON_PTR(ptr);                                              \
1003         }                                                                     \
1004 } while(0)
1005
1006 #define OBD_SLAB_ALLOC(ptr, slab, size)                                       \
1007         OBD_SLAB_ALLOC_GFP(ptr, slab, size, GFP_NOFS)
1008
1009 #define OBD_SLAB_CPT_ALLOC(ptr, slab, cptab, cpt, size)                       \
1010         OBD_SLAB_CPT_ALLOC_GFP(ptr, slab, cptab, cpt, size, GFP_NOFS)
1011
1012 #define OBD_SLAB_ALLOC_PTR(ptr, slab)                                         \
1013         OBD_SLAB_ALLOC(ptr, slab, sizeof(*(ptr)))
1014
1015 #define OBD_SLAB_CPT_ALLOC_PTR(ptr, slab, cptab, cpt)                         \
1016         OBD_SLAB_CPT_ALLOC(ptr, slab, cptab, cpt, sizeof(*(ptr)))
1017
1018 #define OBD_SLAB_ALLOC_PTR_GFP(ptr, slab, flags)                              \
1019         OBD_SLAB_ALLOC_GFP(ptr, slab, sizeof(*(ptr)), flags)
1020
1021 #define OBD_SLAB_CPT_ALLOC_PTR_GFP(ptr, slab, cptab, cpt, flags)              \
1022         OBD_SLAB_CPT_ALLOC_GFP(ptr, slab, cptab, cpt, sizeof(*(ptr)), flags)
1023
1024 #define OBD_SLAB_FREE_PTR(ptr, slab)                                          \
1025         OBD_SLAB_FREE((ptr), (slab), sizeof(*(ptr)))
1026
1027 #define KEY_IS(str) \
1028         (keylen >= (sizeof(str)-1) && memcmp(key, str, (sizeof(str)-1)) == 0)
1029
1030 #ifdef HAVE_SERVER_SUPPORT
1031 /* LUSTRE_LMA_FL_MASKS defines which flags will be stored in LMA */
1032
1033 static inline int lma_to_lustre_flags(__u32 lma_flags)
1034 {
1035         return (((lma_flags & LMAI_ORPHAN) ? LUSTRE_ORPHAN_FL : 0) |
1036                 ((lma_flags & LMAI_ENCRYPT) ? LUSTRE_ENCRYPT_FL : 0));
1037 }
1038
1039 static inline int lustre_to_lma_flags(__u32 la_flags)
1040 {
1041         return (((la_flags & LUSTRE_ORPHAN_FL) ? LMAI_ORPHAN : 0) |
1042                 ((la_flags & LUSTRE_ENCRYPT_FL) ? LMAI_ENCRYPT : 0));
1043 }
1044 #endif /* HAVE_SERVER_SUPPORT */
1045
1046 /* Convert wire LUSTRE_*_FL to corresponding client local VFS S_* values
1047  * for the client inode i_flags.  The LUSTRE_*_FL are the Lustre wire
1048  * protocol equivalents of LDISKFS_*_FL values stored on disk, while
1049  * the S_* flags are kernel-internal values that change between kernel
1050  * versions. These are set/cleared via FS_IOC_GETFLAGS/FS_IOC_SETFLAGS.
1051  * See b=16526 for a full history.
1052  */
1053 static inline int ll_ext_to_inode_flags(int ext_flags)
1054 {
1055         return (((ext_flags & LUSTRE_SYNC_FL)      ? S_SYNC      : 0) |
1056                 ((ext_flags & LUSTRE_NOATIME_FL)   ? S_NOATIME   : 0) |
1057                 ((ext_flags & LUSTRE_APPEND_FL)    ? S_APPEND    : 0) |
1058                 ((ext_flags & LUSTRE_DIRSYNC_FL)   ? S_DIRSYNC   : 0) |
1059 #if defined(S_ENCRYPTED)
1060                 ((ext_flags & LUSTRE_ENCRYPT_FL)   ? S_ENCRYPTED : 0) |
1061 #endif
1062                 ((ext_flags & LUSTRE_IMMUTABLE_FL) ? S_IMMUTABLE : 0));
1063 }
1064
1065 static inline int ll_inode_to_ext_flags(int inode_flags)
1066 {
1067         return (((inode_flags & S_SYNC)      ? LUSTRE_SYNC_FL      : 0) |
1068                 ((inode_flags & S_NOATIME)   ? LUSTRE_NOATIME_FL   : 0) |
1069                 ((inode_flags & S_APPEND)    ? LUSTRE_APPEND_FL    : 0) |
1070                 ((inode_flags & S_DIRSYNC)   ? LUSTRE_DIRSYNC_FL   : 0) |
1071 #if defined(S_ENCRYPTED)
1072                 ((inode_flags & S_ENCRYPTED) ? LUSTRE_ENCRYPT_FL   : 0) |
1073 #endif
1074                 ((inode_flags & S_IMMUTABLE) ? LUSTRE_IMMUTABLE_FL : 0));
1075 }
1076
1077 struct obd_heat_instance {
1078         __u64 ohi_heat;
1079         __u64 ohi_time_second;
1080         __u64 ohi_count;
1081 };
1082
1083 /* Define a fixed 4096-byte encryption unit size */
1084 #define LUSTRE_ENCRYPTION_BLOCKBITS   12
1085 #define LUSTRE_ENCRYPTION_UNIT_SIZE   ((size_t)1 << LUSTRE_ENCRYPTION_BLOCKBITS)
1086 #define LUSTRE_ENCRYPTION_MASK        (~(LUSTRE_ENCRYPTION_UNIT_SIZE - 1))
1087
1088 #endif