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  * Lustre is a trademark of Sun Microsystems, Inc.
  31  */
  32
  33 #ifndef _OBD_SUPPORT
  34 #define _OBD_SUPPORT
  35
  36 #include <linux/atomic.h>
  37 #include <linux/ctype.h>
  38 #include <linux/highmem.h>
  39 #include <linux/slab.h>
  40 #include <linux/types.h>
  41
  42 #include <libcfs/libcfs.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 obd_timeout_set;
  62 extern unsigned int ldlm_timeout_set;
  63 extern unsigned int bulk_timeout;
  64 extern unsigned int at_min;
  65 extern unsigned int at_max;
  66 extern unsigned int at_history;
  67 extern int at_early_margin;
  68 extern int at_extra;
  69 extern unsigned long obd_max_dirty_pages;
  70 extern atomic_long_t obd_dirty_pages;
  71 extern atomic_long_t obd_dirty_transit_pages;
  72 extern char obd_jobid_var[];
  73
  74 /* Some hash init argument constants */
  75 #define HASH_POOLS_BKT_BITS 3
  76 #define HASH_POOLS_CUR_BITS 3
  77 #define HASH_POOLS_MAX_BITS 7
  78 #define HASH_UUID_BKT_BITS 5
  79 #define HASH_UUID_CUR_BITS 7
  80 #define HASH_UUID_MAX_BITS 12
  81 #define HASH_NID_BKT_BITS 5
  82 #define HASH_NID_CUR_BITS 7
  83 #define HASH_NID_MAX_BITS 12
  84 #define HASH_NID_STATS_BKT_BITS 5
  85 #define HASH_NID_STATS_CUR_BITS 7
  86 #define HASH_NID_STATS_MAX_BITS 12
  87 #define HASH_GEN_BKT_BITS 5
  88 #define HASH_GEN_CUR_BITS 7
  89 #define HASH_GEN_MAX_BITS 12
  90 #define HASH_LQE_BKT_BITS 5
  91 #define HASH_LQE_CUR_BITS 7
  92 #define HASH_LQE_MAX_BITS 12
  93 #define HASH_EXP_LOCK_BKT_BITS  5
  94 #define HASH_EXP_LOCK_CUR_BITS  7
  95 #define HASH_EXP_LOCK_MAX_BITS  16
  96 #define HASH_CL_ENV_BKT_BITS    5
  97 #define HASH_CL_ENV_BITS        10
  98 #define HASH_JOB_STATS_BKT_BITS 5
  99 #define HASH_JOB_STATS_CUR_BITS 7
 100 #define HASH_JOB_STATS_MAX_BITS 12
 101
 102 /* Timeout definitions */
 103 #define OBD_TIMEOUT_DEFAULT             100
 104 #define LDLM_TIMEOUT_DEFAULT            20
 105 #define MDS_LDLM_TIMEOUT_DEFAULT        6
 106 /* Time to wait for all clients to reconnect during recovery (hard limit) */
 107 #define OBD_RECOVERY_TIME_HARD          (obd_timeout * 9)
 108 /* Time to wait for all clients to reconnect during recovery (soft limit) */
 109 /* Should be very conservative; must catch the first reconnect after reboot */
 110 #define OBD_RECOVERY_TIME_SOFT          (obd_timeout * 3)
 111 /* Change recovery-small 26b time if you change this */
 112 #define PING_INTERVAL max(obd_timeout / 4, 1U)
 113 /* a bit more than maximal journal commit time in seconds */
 114 #define PING_INTERVAL_SHORT min(PING_INTERVAL, 7U)
 115 /* Client may skip 1 ping; we must wait at least 2.5. But for multiple
 116  * failover targets the client only pings one server at a time, and pings
 117  * can be lost on a loaded network. Since eviction has serious consequences,
 118  * and there's no urgent need to evict a client just because it's idle, we
 119  * should be very conservative here. */
 120 #define PING_EVICT_TIMEOUT (PING_INTERVAL * 6)
 121 #define DISK_TIMEOUT 50          /* Beyond this we warn about disk speed */
 122 #define CONNECTION_SWITCH_MIN 5U /* Connection switching rate limiter */
 123  /* Max connect interval for nonresponsive servers; ~50s to avoid building up
 124     connect requests in the LND queues, but within obd_timeout so we don't
 125     miss the recovery window */
 126 #define CONNECTION_SWITCH_MAX min(50U, max(CONNECTION_SWITCH_MIN,obd_timeout))
 127 #define CONNECTION_SWITCH_INC 5  /* Connection timeout backoff */
 128 /* In general this should be low to have quick detection of a system
 129    running on a backup server. (If it's too low, import_select_connection
 130    will increase the timeout anyhow.)  */
 131 #define INITIAL_CONNECT_TIMEOUT max(CONNECTION_SWITCH_MIN,obd_timeout/20)
 132 /* The max delay between connects is SWITCH_MAX + SWITCH_INC + INITIAL */
 133 #define RECONNECT_DELAY_MAX (CONNECTION_SWITCH_MAX + CONNECTION_SWITCH_INC + \
 134                              INITIAL_CONNECT_TIMEOUT)
 135 /* The min time a target should wait for clients to reconnect in recovery */
 136 #define OBD_RECOVERY_TIME_MIN    (2*RECONNECT_DELAY_MAX)
 137 #define OBD_IR_FACTOR_MIN         1
 138 #define OBD_IR_FACTOR_MAX         10
 139 #define OBD_IR_FACTOR_DEFAULT    (OBD_IR_FACTOR_MAX/2)
 140 /* default timeout for the MGS to become IR_FULL */
 141 #define OBD_IR_MGS_TIMEOUT       (4*obd_timeout)
 142 #define LONG_UNLINK 300          /* Unlink should happen before now */
 143
 144 /**
 145  * Time interval of shrink, if the client is "idle" more than this interval,
 146  * then the ll_grant thread will return the requested grant space to filter
 147  */
 148 #define GRANT_SHRINK_INTERVAL            1200/*20 minutes*/
 149
 150 #define OBD_FAIL_MDS                     0x100
 151 #define OBD_FAIL_MDS_HANDLE_UNPACK       0x101
 152 #define OBD_FAIL_MDS_GETATTR_NET         0x102
 153 #define OBD_FAIL_MDS_GETATTR_PACK        0x103
 154 #define OBD_FAIL_MDS_READPAGE_NET        0x104
 155 #define OBD_FAIL_MDS_READPAGE_PACK       0x105
 156 #define OBD_FAIL_MDS_SENDPAGE            0x106
 157 #define OBD_FAIL_MDS_REINT_NET           0x107
 158 #define OBD_FAIL_MDS_REINT_UNPACK        0x108
 159 #define OBD_FAIL_MDS_REINT_SETATTR       0x109
 160 #define OBD_FAIL_MDS_REINT_SETATTR_WRITE 0x10a
 161 #define OBD_FAIL_MDS_REINT_CREATE        0x10b
 162 #define OBD_FAIL_MDS_REINT_CREATE_WRITE  0x10c
 163 #define OBD_FAIL_MDS_REINT_UNLINK        0x10d
 164 #define OBD_FAIL_MDS_REINT_UNLINK_WRITE  0x10e
 165 #define OBD_FAIL_MDS_REINT_LINK          0x10f
 166 #define OBD_FAIL_MDS_REINT_LINK_WRITE    0x110
 167 #define OBD_FAIL_MDS_REINT_RENAME        0x111
 168 #define OBD_FAIL_MDS_REINT_RENAME_WRITE  0x112
 169 #define OBD_FAIL_MDS_OPEN_NET            0x113
 170 #define OBD_FAIL_MDS_OPEN_PACK           0x114
 171 #define OBD_FAIL_MDS_CLOSE_NET           0x115
 172 #define OBD_FAIL_MDS_CLOSE_PACK          0x116
 173 #define OBD_FAIL_MDS_CONNECT_NET         0x117
 174 #define OBD_FAIL_MDS_CONNECT_PACK        0x118
 175 #define OBD_FAIL_MDS_REINT_NET_REP       0x119
 176 #define OBD_FAIL_MDS_DISCONNECT_NET      0x11a
 177 #define OBD_FAIL_MDS_GET_ROOT_NET        0x11b
 178 #define OBD_FAIL_MDS_GET_ROOT_PACK       0x11c
 179 #define OBD_FAIL_MDS_STATFS_PACK         0x11d
 180 #define OBD_FAIL_MDS_STATFS_SUM_PACK     0x11d
 181 #define OBD_FAIL_MDS_STATFS_NET          0x11e
 182 #define OBD_FAIL_MDS_STATFS_SUM_NET      0x11e
 183 #define OBD_FAIL_MDS_GETATTR_NAME_NET    0x11f
 184 #define OBD_FAIL_MDS_PIN_NET             0x120
 185 #define OBD_FAIL_MDS_UNPIN_NET           0x121
 186 #define OBD_FAIL_MDS_ALL_REPLY_NET       0x122
 187 #define OBD_FAIL_MDS_ALL_REQUEST_NET     0x123
 188 #define OBD_FAIL_MDS_SYNC_NET            0x124
 189 #define OBD_FAIL_MDS_SYNC_PACK           0x125
 190 /*      OBD_FAIL_MDS_DONE_WRITING_NET    0x126 obsolete since 2.8.0 */
 191 /*      OBD_FAIL_MDS_DONE_WRITING_PACK   0x127 obsolete since 2.8.0 */
 192 #define OBD_FAIL_MDS_ALLOC_OBDO          0x128
 193 #define OBD_FAIL_MDS_PAUSE_OPEN          0x129
 194 #define OBD_FAIL_MDS_STATFS_LCW_SLEEP    0x12a
 195 #define OBD_FAIL_MDS_OPEN_CREATE         0x12b
 196 #define OBD_FAIL_MDS_OST_SETATTR         0x12c
 197 /*      OBD_FAIL_MDS_QUOTACHECK_NET      0x12d obsolete since 2.4 */
 198 #define OBD_FAIL_MDS_QUOTACTL_NET        0x12e
 199 #define OBD_FAIL_MDS_CLIENT_ADD          0x12f
 200 #define OBD_FAIL_MDS_GETXATTR_NET        0x130
 201 #define OBD_FAIL_MDS_GETXATTR_PACK       0x131
 202 #define OBD_FAIL_MDS_SETXATTR_NET        0x132
 203 #define OBD_FAIL_MDS_SETXATTR            0x133
 204 #define OBD_FAIL_MDS_SETXATTR_WRITE      0x134
 205 #define OBD_FAIL_MDS_FS_SETUP            0x135
 206 #define OBD_FAIL_MDS_RESEND              0x136
 207 #define OBD_FAIL_MDS_LLOG_CREATE_FAILED  0x137
 208 #define OBD_FAIL_MDS_LOV_SYNC_RACE       0x138
 209 #define OBD_FAIL_MDS_OSC_PRECREATE       0x139
 210 #define OBD_FAIL_MDS_LLOG_SYNC_TIMEOUT   0x13a
 211 #define OBD_FAIL_MDS_CLOSE_NET_REP       0x13b
 212 #define OBD_FAIL_MDS_BLOCK_QUOTA_REQ     0x13c
 213 #define OBD_FAIL_MDS_DROP_QUOTA_REQ      0x13d
 214 #define OBD_FAIL_MDS_REMOVE_COMMON_EA    0x13e
 215 #define OBD_FAIL_MDS_ALLOW_COMMON_EA_SETTING   0x13f
 216 #define OBD_FAIL_MDS_FAIL_LOV_LOG_ADD    0x140
 217 #define OBD_FAIL_MDS_LOV_PREP_CREATE     0x141
 218 #define OBD_FAIL_MDS_REINT_DELAY         0x142
 219 #define OBD_FAIL_MDS_READLINK_EPROTO     0x143
 220 #define OBD_FAIL_MDS_OPEN_WAIT_CREATE    0x144
 221 #define OBD_FAIL_MDS_PDO_LOCK            0x145
 222 #define OBD_FAIL_MDS_PDO_LOCK2           0x146
 223 #define OBD_FAIL_MDS_OSC_CREATE_FAIL     0x147
 224 #define OBD_FAIL_MDS_NEGATIVE_POSITIVE   0x148
 225 #define OBD_FAIL_MDS_HSM_STATE_GET_NET          0x149
 226 #define OBD_FAIL_MDS_HSM_STATE_SET_NET          0x14a
 227 #define OBD_FAIL_MDS_HSM_PROGRESS_NET           0x14b
 228 #define OBD_FAIL_MDS_HSM_REQUEST_NET            0x14c
 229 #define OBD_FAIL_MDS_HSM_CT_REGISTER_NET        0x14d
 230 #define OBD_FAIL_MDS_HSM_CT_UNREGISTER_NET      0x14e
 231 #define OBD_FAIL_MDS_SWAP_LAYOUTS_NET           0x14f
 232 #define OBD_FAIL_MDS_HSM_ACTION_NET             0x150
 233 #define OBD_FAIL_MDS_CHANGELOG_INIT             0x151
 234 #define OBD_FAIL_MDS_HSM_SWAP_LAYOUTS           0x152
 235 #define OBD_FAIL_MDS_RENAME              0x153
 236 #define OBD_FAIL_MDS_RENAME2             0x154
 237 #define OBD_FAIL_MDS_RENAME3             0x155
 238 #define OBD_FAIL_MDS_RENAME4             0x156
 239 #define OBD_FAIL_MDS_LDLM_REPLY_NET      0x157
 240 #define OBD_FAIL_MDS_STALE_DIR_LAYOUT    0x158
 241 #define OBD_FAIL_MDS_REINT_MULTI_NET     0x159
 242 #define OBD_FAIL_MDS_REINT_MULTI_NET_REP 0x15a
 243 #define OBD_FAIL_MDS_LLOG_CREATE_FAILED2 0x15b
 244 #define OBD_FAIL_MDS_FLD_LOOKUP                 0x15c
 245 #define OBD_FAIL_MDS_INTENT_DELAY               0x160
 246 #define OBD_FAIL_MDS_XATTR_REP                  0x161
 247 #define OBD_FAIL_MDS_TRACK_OVERFLOW      0x162
 248 #define OBD_FAIL_MDS_LOV_CREATE_RACE     0x163
 249 #define OBD_FAIL_MDS_HSM_CDT_DELAY       0x164
 250
 251 /* layout lock */
 252 #define OBD_FAIL_MDS_NO_LL_GETATTR       0x170
 253 #define OBD_FAIL_MDS_NO_LL_OPEN          0x171
 254 #define OBD_FAIL_MDS_LL_BLOCK            0x172
 255
 256 /* CMD */
 257 #define OBD_FAIL_MDS_IS_SUBDIR_NET       0x180
 258 #define OBD_FAIL_MDS_IS_SUBDIR_PACK      0x181
 259 #define OBD_FAIL_MDS_SET_INFO_NET        0x182
 260 #define OBD_FAIL_MDS_WRITEPAGE_NET       0x183
 261 #define OBD_FAIL_MDS_WRITEPAGE_PACK      0x184
 262 #define OBD_FAIL_MDS_RECOVERY_ACCEPTS_GAPS 0x185
 263 #define OBD_FAIL_MDS_GET_INFO_NET        0x186
 264 #define OBD_FAIL_MDS_DQACQ_NET           0x187
 265
 266 /* OI scrub */
 267 #define OBD_FAIL_OSD_SCRUB_DELAY                        0x190
 268 #define OBD_FAIL_OSD_SCRUB_CRASH                        0x191
 269 #define OBD_FAIL_OSD_SCRUB_FATAL                        0x192
 270 #define OBD_FAIL_OSD_FID_MAPPING                        0x193
 271 #define OBD_FAIL_OSD_LMA_INCOMPAT                       0x194
 272 #define OBD_FAIL_OSD_COMPAT_INVALID_ENTRY               0x195
 273 #define OBD_FAIL_OSD_COMPAT_NO_ENTRY                    0x196
 274 #define OBD_FAIL_OSD_OST_EA_FID_SET                     0x197
 275 #define OBD_FAIL_OSD_NO_OI_ENTRY                        0x198
 276 #define OBD_FAIL_OSD_INDEX_CRASH                        0x199
 277
 278 #define OBD_FAIL_OFD_SET_OID                            0x1e0
 279
 280 #define OBD_FAIL_OST                     0x200
 281 #define OBD_FAIL_OST_CONNECT_NET         0x201
 282 #define OBD_FAIL_OST_DISCONNECT_NET      0x202
 283 #define OBD_FAIL_OST_GET_INFO_NET        0x203
 284 #define OBD_FAIL_OST_CREATE_NET          0x204
 285 #define OBD_FAIL_OST_DESTROY_NET         0x205
 286 #define OBD_FAIL_OST_GETATTR_NET         0x206
 287 #define OBD_FAIL_OST_SETATTR_NET         0x207
 288 #define OBD_FAIL_OST_OPEN_NET            0x208
 289 #define OBD_FAIL_OST_CLOSE_NET           0x209
 290 #define OBD_FAIL_OST_BRW_NET             0x20a
 291 #define OBD_FAIL_OST_PUNCH_NET           0x20b
 292 #define OBD_FAIL_OST_STATFS_NET          0x20c
 293 #define OBD_FAIL_OST_HANDLE_UNPACK       0x20d
 294 #define OBD_FAIL_OST_BRW_WRITE_BULK      0x20e
 295 #define OBD_FAIL_OST_BRW_READ_BULK       0x20f
 296 #define OBD_FAIL_OST_SYNC_NET            0x210
 297 #define OBD_FAIL_OST_ALL_REPLY_NET       0x211
 298 #define OBD_FAIL_OST_ALL_REQUEST_NET     0x212
 299 #define OBD_FAIL_OST_LDLM_REPLY_NET      0x213
 300 #define OBD_FAIL_OST_BRW_PAUSE_BULK      0x214
 301 #define OBD_FAIL_OST_ENOSPC              0x215
 302 #define OBD_FAIL_OST_EROFS               0x216
 303 #define OBD_FAIL_SRV_ENOENT              0x217
 304 /*      OBD_FAIL_OST_QUOTACHECK_NET      0x218 obsolete since 2.4 */
 305 #define OBD_FAIL_OST_QUOTACTL_NET        0x219
 306 #define OBD_FAIL_OST_CHECKSUM_RECEIVE    0x21a
 307 #define OBD_FAIL_OST_CHECKSUM_SEND       0x21b
 308 #define OBD_FAIL_OST_BRW_SIZE            0x21c
 309 #define OBD_FAIL_OST_DROP_REQ            0x21d
 310 #define OBD_FAIL_OST_SETATTR_CREDITS     0x21e
 311 #define OBD_FAIL_OST_HOLD_WRITE_RPC      0x21f
 312 #define OBD_FAIL_OST_BRW_WRITE_BULK2     0x220
 313 #define OBD_FAIL_OST_LLOG_RECOVERY_TIMEOUT 0x221
 314 #define OBD_FAIL_OST_CANCEL_COOKIE_TIMEOUT 0x222
 315 #define OBD_FAIL_OST_PAUSE_CREATE        0x223
 316 #define OBD_FAIL_OST_BRW_PAUSE_PACK      0x224
 317 #define OBD_FAIL_OST_CONNECT_NET2        0x225
 318 #define OBD_FAIL_OST_NOMEM               0x226
 319 #define OBD_FAIL_OST_BRW_PAUSE_BULK2     0x227
 320 #define OBD_FAIL_OST_MAPBLK_ENOSPC       0x228
 321 #define OBD_FAIL_OST_ENOINO              0x229
 322 #define OBD_FAIL_OST_DQACQ_NET           0x230
 323 #define OBD_FAIL_OST_STATFS_EINPROGRESS  0x231
 324 #define OBD_FAIL_OST_SET_INFO_NET        0x232
 325 #define OBD_FAIL_OST_NODESTROY           0x233
 326 #define OBD_FAIL_OST_READ_SIZE           0x234
 327 #define OBD_FAIL_OST_LADVISE_NET         0x235
 328 #define OBD_FAIL_OST_PAUSE_PUNCH         0x236
 329 #define OBD_FAIL_OST_LADVISE_PAUSE       0x237
 330 #define OBD_FAIL_OST_FAKE_RW             0x238
 331 #define OBD_FAIL_OST_LIST_ASSERT         0x239
 332 #define OBD_FAIL_OST_GL_WORK_ALLOC       0x240
 333 #define OBD_FAIL_OST_SKIP_LV_CHECK       0x241
 334 #define OBD_FAIL_OST_STATFS_DELAY        0x242
 335 #define OBD_FAIL_OST_INTEGRITY_FAULT     0x243
 336
 337 #define OBD_FAIL_LDLM                    0x300
 338 #define OBD_FAIL_LDLM_NAMESPACE_NEW      0x301
 339 #define OBD_FAIL_LDLM_ENQUEUE_NET                       0x302
 340 #define OBD_FAIL_LDLM_CONVERT_NET                       0x303
 341 #define OBD_FAIL_LDLM_CANCEL_NET                        0x304
 342 #define OBD_FAIL_LDLM_BL_CALLBACK_NET                   0x305
 343 #define OBD_FAIL_LDLM_CP_CALLBACK_NET                   0x306
 344 #define OBD_FAIL_LDLM_GL_CALLBACK_NET                   0x307
 345 #define OBD_FAIL_LDLM_ENQUEUE_EXTENT_ERR 0x308
 346 #define OBD_FAIL_LDLM_ENQUEUE_INTENT_ERR 0x309
 347 #define OBD_FAIL_LDLM_CREATE_RESOURCE    0x30a
 348 #define OBD_FAIL_LDLM_ENQUEUE_BLOCKED    0x30b
 349 #define OBD_FAIL_LDLM_REPLY              0x30c
 350 #define OBD_FAIL_LDLM_RECOV_CLIENTS      0x30d
 351 #define OBD_FAIL_LDLM_ENQUEUE_OLD_EXPORT 0x30e
 352 #define OBD_FAIL_LDLM_GLIMPSE            0x30f
 353 #define OBD_FAIL_LDLM_CANCEL_RACE        0x310
 354 #define OBD_FAIL_LDLM_CANCEL_EVICT_RACE  0x311
 355 #define OBD_FAIL_LDLM_PAUSE_CANCEL       0x312
 356 #define OBD_FAIL_LDLM_CLOSE_THREAD       0x313
 357 #define OBD_FAIL_LDLM_CANCEL_BL_CB_RACE  0x314
 358 #define OBD_FAIL_LDLM_CP_CB_WAIT         0x315
 359 #define OBD_FAIL_LDLM_OST_FAIL_RACE      0x316
 360 #define OBD_FAIL_LDLM_INTR_CP_AST        0x317
 361 #define OBD_FAIL_LDLM_CP_BL_RACE         0x318
 362 #define OBD_FAIL_LDLM_NEW_LOCK           0x319
 363 #define OBD_FAIL_LDLM_AGL_DELAY          0x31a
 364 #define OBD_FAIL_LDLM_AGL_NOLOCK         0x31b
 365 #define OBD_FAIL_LDLM_OST_LVB            0x31c
 366 #define OBD_FAIL_LDLM_ENQUEUE_HANG       0x31d
 367 #define OBD_FAIL_LDLM_BL_EVICT           0x31e
 368 #define OBD_FAIL_LDLM_PAUSE_CANCEL2      0x31f
 369 #define OBD_FAIL_LDLM_CP_CB_WAIT2        0x320
 370 #define OBD_FAIL_LDLM_CP_CB_WAIT3        0x321
 371 #define OBD_FAIL_LDLM_CP_CB_WAIT4        0x322
 372 #define OBD_FAIL_LDLM_CP_CB_WAIT5        0x323
 373 #define OBD_FAIL_LDLM_SRV_BL_AST         0x324
 374 #define OBD_FAIL_LDLM_SRV_CP_AST         0x325
 375 #define OBD_FAIL_LDLM_SRV_GL_AST         0x326
 376 #define OBD_FAIL_LDLM_WATERMARK_LOW      0x327
 377 #define OBD_FAIL_LDLM_WATERMARK_HIGH     0x328
 378
 379 #define OBD_FAIL_LDLM_GRANT_CHECK        0x32a
 380 #define OBD_FAIL_LDLM_PROLONG_PAUSE      0x32b
 381
 382 /* LOCKLESS IO */
 383 #define OBD_FAIL_LDLM_SET_CONTENTION     0x385
 384
 385 #define OBD_FAIL_OSC                     0x400
 386 #define OBD_FAIL_OSC_BRW_READ_BULK       0x401
 387 #define OBD_FAIL_OSC_BRW_WRITE_BULK      0x402
 388 #define OBD_FAIL_OSC_LOCK_BL_AST         0x403
 389 #define OBD_FAIL_OSC_LOCK_CP_AST         0x404
 390 #define OBD_FAIL_OSC_MATCH               0x405
 391 #define OBD_FAIL_OSC_BRW_PREP_REQ        0x406
 392 #define OBD_FAIL_OSC_SHUTDOWN            0x407
 393 #define OBD_FAIL_OSC_CHECKSUM_RECEIVE    0x408
 394 #define OBD_FAIL_OSC_CHECKSUM_SEND       0x409
 395 #define OBD_FAIL_OSC_BRW_PREP_REQ2       0x40a
 396 /* #define OBD_FAIL_OSC_CONNECT_CKSUM       0x40b Obsolete since 2.9 */
 397 #define OBD_FAIL_OSC_CKSUM_ADLER_ONLY    0x40c
 398 #define OBD_FAIL_OSC_DIO_PAUSE           0x40d
 399 #define OBD_FAIL_OSC_OBJECT_CONTENTION   0x40e
 400 #define OBD_FAIL_OSC_CP_CANCEL_RACE      0x40f
 401 #define OBD_FAIL_OSC_CP_ENQ_RACE         0x410
 402 #define OBD_FAIL_OSC_NO_GRANT            0x411
 403 #define OBD_FAIL_OSC_DELAY_SETTIME       0x412
 404 #define OBD_FAIL_OSC_CONNECT_GRANT_PARAM 0x413
 405 #define OBD_FAIL_OSC_DELAY_IO            0x414
 406
 407 #define OBD_FAIL_PTLRPC                  0x500
 408 #define OBD_FAIL_PTLRPC_ACK              0x501
 409 #define OBD_FAIL_PTLRPC_RQBD             0x502
 410 #define OBD_FAIL_PTLRPC_BULK_GET_NET     0x503
 411 #define OBD_FAIL_PTLRPC_BULK_PUT_NET     0x504
 412 #define OBD_FAIL_PTLRPC_DROP_RPC         0x505
 413 #define OBD_FAIL_PTLRPC_DELAY_SEND       0x506
 414 #define OBD_FAIL_PTLRPC_DELAY_RECOV      0x507
 415 #define OBD_FAIL_PTLRPC_CLIENT_BULK_CB   0x508
 416 #define OBD_FAIL_PTLRPC_PAUSE_REQ        0x50a
 417 #define OBD_FAIL_PTLRPC_PAUSE_REP        0x50c
 418 #define OBD_FAIL_PTLRPC_IMP_DEACTIVE     0x50d
 419 #define OBD_FAIL_PTLRPC_DUMP_LOG         0x50e
 420 #define OBD_FAIL_PTLRPC_LONG_REPL_UNLINK 0x50f
 421 #define OBD_FAIL_PTLRPC_LONG_BULK_UNLINK 0x510
 422 #define OBD_FAIL_PTLRPC_HPREQ_TIMEOUT    0x511
 423 #define OBD_FAIL_PTLRPC_HPREQ_NOTIMEOUT  0x512
 424 #define OBD_FAIL_PTLRPC_DROP_REQ_OPC     0x513
 425 #define OBD_FAIL_PTLRPC_FINISH_REPLAY    0x514
 426 #define OBD_FAIL_PTLRPC_CLIENT_BULK_CB2  0x515
 427 #define OBD_FAIL_PTLRPC_DELAY_IMP_FULL   0x516
 428 #define OBD_FAIL_PTLRPC_CANCEL_RESEND    0x517
 429 #define OBD_FAIL_PTLRPC_DROP_BULK        0x51a
 430 #define OBD_FAIL_PTLRPC_LONG_REQ_UNLINK  0x51b
 431 #define OBD_FAIL_PTLRPC_LONG_BOTH_UNLINK 0x51c
 432 #define OBD_FAIL_PTLRPC_CLIENT_BULK_CB3  0x520
 433 #define OBD_FAIL_PTLRPC_BULK_ATTACH      0x521
 434
 435 #define OBD_FAIL_OBD_PING_NET            0x600
 436 /*      OBD_FAIL_OBD_LOG_CANCEL_NET      0x601 obsolete since 1.5 */
 437 #define OBD_FAIL_OBD_LOGD_NET            0x602
 438 /*      OBD_FAIL_OBD_QC_CALLBACK_NET     0x603 obsolete since 2.4 */
 439 #define OBD_FAIL_OBD_DQACQ               0x604
 440 #define OBD_FAIL_OBD_LLOG_SETUP          0x605
 441 /*      OBD_FAIL_OBD_LOG_CANCEL_REP      0x606 obsolete since 1.5 */
 442 #define OBD_FAIL_OBD_IDX_READ_NET        0x607
 443 #define OBD_FAIL_OBD_IDX_READ_BREAK      0x608
 444 #define OBD_FAIL_OBD_NO_LRU              0x609
 445 #define OBD_FAIL_OBDCLASS_MODULE_LOAD    0x60a
 446
 447 #define OBD_FAIL_TGT_REPLY_NET           0x700
 448 #define OBD_FAIL_TGT_CONN_RACE           0x701
 449 #define OBD_FAIL_TGT_FORCE_RECONNECT     0x702
 450 #define OBD_FAIL_TGT_DELAY_CONNECT       0x703
 451 #define OBD_FAIL_TGT_DELAY_RECONNECT     0x704
 452 #define OBD_FAIL_TGT_DELAY_PRECREATE     0x705
 453 #define OBD_FAIL_TGT_TOOMANY_THREADS     0x706
 454 #define OBD_FAIL_TGT_REPLAY_DROP         0x707
 455 #define OBD_FAIL_TGT_FAKE_EXP            0x708
 456 #define OBD_FAIL_TGT_REPLAY_DELAY        0x709
 457 /* #define OBD_FAIL_TGT_LAST_REPLAY         0x710 (obsoleted) */
 458 #define OBD_FAIL_TGT_CLIENT_ADD          0x711
 459 #define OBD_FAIL_TGT_RCVG_FLAG           0x712
 460 #define OBD_FAIL_TGT_DELAY_CONDITIONAL   0x713
 461 #define OBD_FAIL_TGT_REPLAY_DELAY2       0x714
 462 #define OBD_FAIL_TGT_REPLAY_RECONNECT    0x715
 463 #define OBD_FAIL_TGT_MOUNT_RACE          0x716
 464 #define OBD_FAIL_TGT_REPLAY_TIMEOUT      0x717
 465 #define OBD_FAIL_TGT_CLIENT_DEL          0x718
 466 #define OBD_FAIL_TGT_SLUGGISH_NET        0x719
 467 #define OBD_FAIL_TGT_RCVD_EIO            0x720
 468 #define OBD_FAIL_TGT_RECOVERY_REQ_RACE   0x721
 469 #define OBD_FAIL_TGT_REPLY_DATA_RACE     0x722
 470
 471 #define OBD_FAIL_MDC_REVALIDATE_PAUSE    0x800
 472 #define OBD_FAIL_MDC_ENQUEUE_PAUSE       0x801
 473 #define OBD_FAIL_MDC_OLD_EXT_FLAGS       0x802
 474 #define OBD_FAIL_MDC_GETATTR_ENQUEUE     0x803
 475 #define OBD_FAIL_MDC_RPCS_SEM            0x804 /* deprecated */
 476 #define OBD_FAIL_MDC_LIGHTWEIGHT         0x805
 477 #define OBD_FAIL_MDC_CLOSE               0x806
 478 #define OBD_FAIL_MDC_MERGE               0x807
 479
 480 #define OBD_FAIL_MGS                     0x900
 481 #define OBD_FAIL_MGS_ALL_REQUEST_NET     0x901
 482 #define OBD_FAIL_MGS_ALL_REPLY_NET       0x902
 483 #define OBD_FAIL_MGC_PAUSE_PROCESS_LOG   0x903
 484 #define OBD_FAIL_MGS_PAUSE_REQ           0x904
 485 #define OBD_FAIL_MGS_PAUSE_TARGET_REG    0x905
 486 #define OBD_FAIL_MGS_CONNECT_NET         0x906
 487 #define OBD_FAIL_MGS_DISCONNECT_NET      0x907
 488 #define OBD_FAIL_MGS_SET_INFO_NET        0x908
 489 #define OBD_FAIL_MGS_EXCEPTION_NET       0x909
 490 #define OBD_FAIL_MGS_TARGET_REG_NET      0x90a
 491 #define OBD_FAIL_MGS_TARGET_DEL_NET      0x90b
 492 #define OBD_FAIL_MGS_CONFIG_READ_NET     0x90c
 493 #define OBD_FAIL_MGS_LDLM_REPLY_NET      0x90d
 494 #define OBD_FAIL_MGS_WRITE_TARGET_DELAY  0x90e
 495
 496 #define OBD_FAIL_QUOTA_DQACQ_NET                        0xA01
 497 #define OBD_FAIL_QUOTA_EDQUOT            0xA02
 498 #define OBD_FAIL_QUOTA_DELAY_REINT       0xA03
 499 #define OBD_FAIL_QUOTA_RECOVERABLE_ERR   0xA04
 500
 501 #define OBD_FAIL_LPROC_REMOVE            0xB00
 502
 503 #define OBD_FAIL_SEQ                     0x1000
 504 #define OBD_FAIL_SEQ_QUERY_NET           0x1001
 505 #define OBD_FAIL_SEQ_EXHAUST             0x1002
 506
 507 #define OBD_FAIL_FLD                     0x1100
 508 #define OBD_FAIL_FLD_QUERY_NET           0x1101
 509 #define OBD_FAIL_FLD_READ_NET            0x1102
 510
 511 #define OBD_FAIL_SEC_CTX                 0x1200
 512 #define OBD_FAIL_SEC_CTX_INIT_NET        0x1201
 513 #define OBD_FAIL_SEC_CTX_INIT_CONT_NET   0x1202
 514 #define OBD_FAIL_SEC_CTX_FINI_NET        0x1203
 515 #define OBD_FAIL_SEC_CTX_HDL_PAUSE       0x1204
 516
 517 #define OBD_FAIL_LLOG                               0x1300
 518 /* was  OBD_FAIL_LLOG_ORIGIN_CONNECT_NET            0x1301 until 2.4 */
 519 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_CREATE_NET      0x1302
 520 /* was  OBD_FAIL_LLOG_ORIGIN_HANDLE_DESTROY_NET     0x1303 until 2.11 */
 521 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_READ_HEADER_NET 0x1304
 522 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_NEXT_BLOCK_NET  0x1305
 523 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_PREV_BLOCK_NET  0x1306
 524 /* was  OBD_FAIL_LLOG_ORIGIN_HANDLE_WRITE_REC_NET   0x1307 until 2.1 */
 525 /* was  OBD_FAIL_LLOG_ORIGIN_HANDLE_CLOSE_NET       0x1308 until 1.8 */
 526 /* was  OBD_FAIL_LLOG_CATINFO_NET                   0x1309 until 2.3 */
 527 #define OBD_FAIL_MDS_SYNC_CAPA_SL                   0x1310
 528 #define OBD_FAIL_SEQ_ALLOC                          0x1311
 529 #define OBD_FAIL_CAT_RECORDS                        0x1312
 530 #define OBD_FAIL_CAT_FREE_RECORDS                   0x1313
 531 #define OBD_FAIL_TIME_IN_CHLOG_USER                 0x1314
 532 #define CFS_FAIL_CHLOG_USER_REG_UNREG_RACE          0x1315
 533 #define OBD_FAIL_FORCE_GC_THREAD                    0x1316
 534 #define OBD_FAIL_LLOG_PROCESS_TIMEOUT               0x1317
 535
 536 #define OBD_FAIL_LLITE                              0x1400
 537 #define OBD_FAIL_LLITE_FAULT_TRUNC_RACE             0x1401
 538 #define OBD_FAIL_LOCK_STATE_WAIT_INTR               0x1402
 539 #define OBD_FAIL_LOV_INIT                           0x1403
 540 #define OBD_FAIL_GLIMPSE_DELAY                      0x1404
 541 #define OBD_FAIL_LLITE_XATTR_ENOMEM                 0x1405
 542 #define OBD_FAIL_MAKE_LOVEA_HOLE                    0x1406
 543 #define OBD_FAIL_LLITE_LOST_LAYOUT                  0x1407
 544 #define OBD_FAIL_LLITE_NO_CHECK_DEAD                0x1408
 545 #define OBD_FAIL_GETATTR_DELAY                      0x1409
 546 #define OBD_FAIL_LLITE_CREATE_FILE_PAUSE            0x1409
 547 #define OBD_FAIL_LLITE_NEWNODE_PAUSE                0x140a
 548 #define OBD_FAIL_LLITE_SETDIRSTRIPE_PAUSE           0x140b
 549 #define OBD_FAIL_LLITE_CREATE_NODE_PAUSE            0x140c
 550 #define OBD_FAIL_LLITE_PTASK_IO_FAIL                0x140d
 551 #define OBD_FAIL_LLITE_IMUTEX_SEC                   0x140e
 552 #define OBD_FAIL_LLITE_IMUTEX_NOSEC                 0x140f
 553
 554 #define OBD_FAIL_FID_INDIR      0x1501
 555 #define OBD_FAIL_FID_INLMA      0x1502
 556 #define OBD_FAIL_FID_IGIF       0x1504
 557 #define OBD_FAIL_FID_LOOKUP     0x1505
 558 #define OBD_FAIL_FID_NOLMA      0x1506
 559
 560 /* LFSCK */
 561 #define OBD_FAIL_LFSCK_DELAY1           0x1600
 562 #define OBD_FAIL_LFSCK_DELAY2           0x1601
 563 #define OBD_FAIL_LFSCK_DELAY3           0x1602
 564 #define OBD_FAIL_LFSCK_LINKEA_CRASH     0x1603
 565 #define OBD_FAIL_LFSCK_LINKEA_MORE      0x1604
 566 #define OBD_FAIL_LFSCK_LINKEA_MORE2     0x1605
 567 #define OBD_FAIL_LFSCK_FATAL1           0x1608
 568 #define OBD_FAIL_LFSCK_FATAL2           0x1609
 569 #define OBD_FAIL_LFSCK_CRASH            0x160a
 570 #define OBD_FAIL_LFSCK_NO_AUTO          0x160b
 571 #define OBD_FAIL_LFSCK_NO_DOUBLESCAN    0x160c
 572 #define OBD_FAIL_LFSCK_SKIP_LASTID      0x160d
 573 #define OBD_FAIL_LFSCK_DELAY4           0x160e
 574 #define OBD_FAIL_LFSCK_BAD_LMMOI        0x160f
 575 #define OBD_FAIL_LFSCK_DANGLING         0x1610
 576 #define OBD_FAIL_LFSCK_UNMATCHED_PAIR1  0x1611
 577 #define OBD_FAIL_LFSCK_UNMATCHED_PAIR2  0x1612
 578 #define OBD_FAIL_LFSCK_BAD_OWNER        0x1613
 579 #define OBD_FAIL_LFSCK_MULTIPLE_REF     0x1614
 580 #define OBD_FAIL_LFSCK_LOST_STRIPE      0x1615
 581 #define OBD_FAIL_LFSCK_LOST_MDTOBJ      0x1616
 582 #define OBD_FAIL_LFSCK_NOPFID           0x1617
 583 #define OBD_FAIL_LFSCK_CHANGE_STRIPE    0x1618
 584 #define OBD_FAIL_LFSCK_INVALID_PFID     0x1619
 585 #define OBD_FAIL_LFSCK_LOST_SPEOBJ      0x161a
 586 #define OBD_FAIL_LFSCK_DELAY5           0x161b
 587 #define OBD_FAIL_LFSCK_BAD_NETWORK      0x161c
 588 #define OBD_FAIL_LFSCK_NO_LINKEA        0x161d
 589 #define OBD_FAIL_LFSCK_BAD_PARENT       0x161e
 590 #define OBD_FAIL_LFSCK_DANGLING2        0x1620
 591 #define OBD_FAIL_LFSCK_DANGLING3        0x1621
 592 #define OBD_FAIL_LFSCK_MUL_REF          0x1622
 593 #define OBD_FAIL_LFSCK_BAD_TYPE         0x1623
 594 #define OBD_FAIL_LFSCK_NO_NAMEENTRY     0x1624
 595 #define OBD_FAIL_LFSCK_LESS_NLINK       0x1626
 596 #define OBD_FAIL_LFSCK_BAD_NAME_HASH    0x1628
 597 #define OBD_FAIL_LFSCK_LOST_MASTER_LMV  0x1629
 598 #define OBD_FAIL_LFSCK_LOST_SLAVE_LMV   0x162a
 599 #define OBD_FAIL_LFSCK_BAD_SLAVE_LMV    0x162b
 600 #define OBD_FAIL_LFSCK_BAD_SLAVE_NAME   0x162c
 601 #define OBD_FAIL_LFSCK_ENGINE_DELAY     0x162d
 602 #define OBD_FAIL_LFSCK_LOST_MDTOBJ2     0x162e
 603 #define OBD_FAIL_LFSCK_BAD_PFL_RANGE    0x162f
 604 #define OBD_FAIL_LFSCK_NO_AGENTOBJ      0x1630
 605 #define OBD_FAIL_LFSCK_NO_AGENTENT      0x1631
 606
 607 #define OBD_FAIL_LFSCK_NOTIFY_NET       0x16f0
 608 #define OBD_FAIL_LFSCK_QUERY_NET        0x16f1
 609
 610 /* UPDATE */
 611 #define OBD_FAIL_OUT_UPDATE_NET         0x1700
 612 #define OBD_FAIL_OUT_UPDATE_NET_REP     0x1701
 613 #define OBD_FAIL_SPLIT_UPDATE_REC       0x1702
 614 #define OBD_FAIL_LARGE_STRIPE           0x1703
 615 #define OBD_FAIL_OUT_ENOSPC             0x1704
 616 #define OBD_FAIL_INVALIDATE_UPDATE      0x1705
 617
 618 /* MIGRATE */
 619 #define OBD_FAIL_MIGRATE_ENTRIES                0x1801
 620
 621 /* LMV */
 622 #define OBD_FAIL_UNKNOWN_LMV_STRIPE             0x1901
 623
 624 /* FLR */
 625 #define OBD_FAIL_FLR_GLIMPSE_IMMUTABLE          0x1A00
 626 #define OBD_FAIL_FLR_LV_DELAY                   0x1A01
 627 #define OBD_FAIL_FLR_LV_INC                     0x1A02
 628 #define OBD_FAIL_FLR_RANDOM_PICK_MIRROR 0x1A03
 629
 630 /* DT */
 631 #define OBD_FAIL_DT_DECLARE_ATTR_GET            0x2000
 632 #define OBD_FAIL_DT_ATTR_GET                    0x2001
 633 #define OBD_FAIL_DT_DECLARE_ATTR_SET            0x2002
 634 #define OBD_FAIL_DT_ATTR_SET                    0x2003
 635 #define OBD_FAIL_DT_DECLARE_XATTR_GET           0x2004
 636 #define OBD_FAIL_DT_XATTR_GET                   0x2005
 637 #define OBD_FAIL_DT_DECLARE_XATTR_SET           0x2006
 638 #define OBD_FAIL_DT_XATTR_SET                   0x2007
 639 #define OBD_FAIL_DT_DECLARE_XATTR_DEL           0x2008
 640 #define OBD_FAIL_DT_XATTR_DEL                   0x2009
 641 #define OBD_FAIL_DT_XATTR_LIST                  0x200a
 642 #define OBD_FAIL_DT_DECLARE_CREATE              0x200b
 643 #define OBD_FAIL_DT_CREATE                      0x200c
 644 #define OBD_FAIL_DT_DECLARE_DESTROY             0x200d
 645 #define OBD_FAIL_DT_DESTROY                     0x200e
 646 #define OBD_FAIL_DT_INDEX_TRY                   0x200f
 647 #define OBD_FAIL_DT_DECLARE_REF_ADD             0x2010
 648 #define OBD_FAIL_DT_REF_ADD                     0x2011
 649 #define OBD_FAIL_DT_DECLARE_REF_DEL             0x2012
 650 #define OBD_FAIL_DT_REF_DEL                     0x2013
 651 #define OBD_FAIL_DT_DECLARE_INSERT              0x2014
 652 #define OBD_FAIL_DT_INSERT                      0x2015
 653 #define OBD_FAIL_DT_DECLARE_DELETE              0x2016
 654 #define OBD_FAIL_DT_DELETE                      0x2017
 655 #define OBD_FAIL_DT_LOOKUP                      0x2018
 656 #define OBD_FAIL_DT_TXN_STOP                    0x2019
 657
 658 #define OBD_FAIL_OSP_CHECK_INVALID_REC          0x2100
 659 #define OBD_FAIL_OSP_CHECK_ENOMEM               0x2101
 660 #define OBD_FAIL_OSP_FAKE_PRECREATE             0x2102
 661 #define OBD_FAIL_OSP_RPCS_SEM                   0x2104
 662
 663  /* barrier */
 664 #define OBD_FAIL_MGS_BARRIER_READ_NET           0x2200
 665 #define OBD_FAIL_MGS_BARRIER_NOTIFY_NET         0x2201
 666
 667 #define OBD_FAIL_BARRIER_DELAY                  0x2202
 668 #define OBD_FAIL_BARRIER_FAILURE                0x2203
 669
 670 #define OBD_FAIL_OSD_FAIL_AT_TRUNCATE           0x2301
 671
 672 /* Assign references to moved code to reduce code changes */
 673 #define OBD_FAIL_PRECHECK(id)                   CFS_FAIL_PRECHECK(id)
 674 #define OBD_FAIL_CHECK(id)                      CFS_FAIL_CHECK(id)
 675 #define OBD_FAIL_CHECK_VALUE(id, value)         CFS_FAIL_CHECK_VALUE(id, value)
 676 #define OBD_FAIL_CHECK_ORSET(id, value)         CFS_FAIL_CHECK_ORSET(id, value)
 677 #define OBD_FAIL_CHECK_RESET(id, value)         CFS_FAIL_CHECK_RESET(id, value)
 678 #define OBD_FAIL_RETURN(id, ret)                CFS_FAIL_RETURN(id, ret)
 679 #define OBD_FAIL_TIMEOUT(id, secs)              CFS_FAIL_TIMEOUT(id, secs)
 680 #define OBD_FAIL_TIMEOUT_MS(id, ms)             CFS_FAIL_TIMEOUT_MS(id, ms)
 681 #define OBD_FAIL_TIMEOUT_ORSET(id, value, secs) CFS_FAIL_TIMEOUT_ORSET(id, value, secs)
 682 #define OBD_RACE(id)                            CFS_RACE(id)
 683 #define OBD_FAIL_ONCE                           CFS_FAIL_ONCE
 684 #define OBD_FAILED                              CFS_FAILED
 685
 686 #define LUT_FAIL_CLASS(fail_id)                 (((fail_id) >> 8) << 16)
 687 #define LUT_FAIL_MGT                            LUT_FAIL_CLASS(OBD_FAIL_MGS)
 688 #define LUT_FAIL_MDT                            LUT_FAIL_CLASS(OBD_FAIL_MDS)
 689 #define LUT_FAIL_OST                            LUT_FAIL_CLASS(OBD_FAIL_OST)
 690
 691 extern atomic_t libcfs_kmemory;
 692
 693 #ifdef CONFIG_PROC_FS
 694 #define obd_memory_add(size)                                                  \
 695         lprocfs_counter_add(obd_memory, OBD_MEMORY_STAT, (long)(size))
 696 #define obd_memory_sub(size)                                                  \
 697         lprocfs_counter_sub(obd_memory, OBD_MEMORY_STAT, (long)(size))
 698 #define obd_memory_sum()                                                      \
 699         lprocfs_stats_collector(obd_memory, OBD_MEMORY_STAT,                  \
 700                                 LPROCFS_FIELDS_FLAGS_SUM)
 701
 702 extern void obd_update_maxusage(void);
 703 extern __u64 obd_memory_max(void);
 704
 705 #else /* CONFIG_PROC_FS */
 706
 707 extern __u64 obd_alloc;
 708
 709 extern __u64 obd_max_alloc;
 710
 711 static inline void obd_memory_add(long size)
 712 {
 713         obd_alloc += size;
 714         if (obd_alloc > obd_max_alloc)
 715                 obd_max_alloc = obd_alloc;
 716 }
 717
 718 static inline void obd_memory_sub(long size)
 719 {
 720         obd_alloc -= size;
 721 }
 722
 723 #define obd_memory_sum() (obd_alloc)
 724
 725 #define obd_memory_max() (obd_max_alloc)
 726
 727 #endif /* !CONFIG_PROC_FS */
 728
 729 #define OBD_DEBUG_MEMUSAGE (1)
 730
 731 #if OBD_DEBUG_MEMUSAGE
 732 #define OBD_ALLOC_POST(ptr, size, name)                                 \
 733                 obd_memory_add(size);                                   \
 734                 CDEBUG(D_MALLOC, name " '" #ptr "': %d at %p.\n",       \
 735                        (int)(size), ptr)
 736
 737 #define OBD_FREE_PRE(ptr, size, name)                                   \
 738         LASSERT(ptr);                                                   \
 739         obd_memory_sub(size);                                           \
 740         CDEBUG(D_MALLOC, name " '" #ptr "': %d at %p.\n",               \
 741                (int)(size), ptr);                                       \
 742         POISON(ptr, 0x5a, size)
 743
 744 #else /* !OBD_DEBUG_MEMUSAGE */
 745
 746 #define OBD_ALLOC_POST(ptr, size, name) ((void)0)
 747 #define OBD_FREE_PRE(ptr, size, name)   ((void)0)
 748
 749 #endif /* !OBD_DEBUG_MEMUSAGE */
 750
 751 #define __OBD_MALLOC_VERBOSE(ptr, cptab, cpt, size, flags)                    \
 752 do {                                                                          \
 753         (ptr) = (cptab) == NULL ?                                             \
 754                 kmalloc(size, (flags) | __GFP_ZERO) :                         \
 755                 cfs_cpt_malloc(cptab, cpt, size, (flags) | __GFP_ZERO);       \
 756         if (likely((ptr) != NULL))                                            \
 757                 OBD_ALLOC_POST(ptr, size, "kmalloced");                       \
 758 } while (0)
 759
 760 #define OBD_ALLOC_GFP(ptr, size, gfp_mask)                                    \
 761         __OBD_MALLOC_VERBOSE(ptr, NULL, 0, size, gfp_mask)
 762
 763 #define OBD_ALLOC(ptr, size) OBD_ALLOC_GFP(ptr, size, GFP_NOFS)
 764 #define OBD_ALLOC_WAIT(ptr, size) OBD_ALLOC_GFP(ptr, size, GFP_KERNEL)
 765 #define OBD_ALLOC_PTR(ptr) OBD_ALLOC(ptr, sizeof *(ptr))
 766 #define OBD_ALLOC_PTR_WAIT(ptr) OBD_ALLOC_WAIT(ptr, sizeof *(ptr))
 767
 768 #define OBD_CPT_ALLOC_GFP(ptr, cptab, cpt, size, gfp_mask)                    \
 769         __OBD_MALLOC_VERBOSE(ptr, cptab, cpt, size, gfp_mask)
 770
 771 #define OBD_CPT_ALLOC(ptr, cptab, cpt, size)                                  \
 772         OBD_CPT_ALLOC_GFP(ptr, cptab, cpt, size, GFP_NOFS)
 773
 774 #define OBD_CPT_ALLOC_PTR(ptr, cptab, cpt)                                    \
 775         OBD_CPT_ALLOC(ptr, cptab, cpt, sizeof *(ptr))
 776
 777 /* Direct use of __vmalloc() allows for protection flag specification
 778  * (and particularly to not set __GFP_FS, which is likely to cause some
 779  * deadlock situations in our code).
 780  */
 781 #define __OBD_VMALLOC_VERBOSE(ptr, cptab, cpt, size)                          \
 782 do {                                                                          \
 783         (ptr) = cptab == NULL ?                                               \
 784                 __vmalloc(size, GFP_NOFS | __GFP_HIGHMEM | __GFP_ZERO,        \
 785                           PAGE_KERNEL) :                                      \
 786                 cfs_cpt_vzalloc(cptab, cpt, size);                            \
 787         if (unlikely((ptr) == NULL)) {                                        \
 788                 CERROR("vmalloc of '" #ptr "' (%d bytes) failed\n",           \
 789                        (int)(size));                                          \
 790                 CERROR("%llu total bytes allocated by Lustre, %d by LNET\n", \
 791                        obd_memory_sum(), atomic_read(&libcfs_kmemory));       \
 792         } else {                                                              \
 793                 OBD_ALLOC_POST(ptr, size, "vmalloced");                       \
 794         }                                                                     \
 795 } while(0)
 796
 797 #define OBD_VMALLOC(ptr, size)                                                \
 798          __OBD_VMALLOC_VERBOSE(ptr, NULL, 0, size)
 799 #define OBD_CPT_VMALLOC(ptr, cptab, cpt, size)                                \
 800          __OBD_VMALLOC_VERBOSE(ptr, cptab, cpt, size)
 801
 802 #define OBD_ALLOC_LARGE(ptr, size)                                            \
 803 do {                                                                          \
 804         /* LU-8196 - force large allocations to use vmalloc, not kmalloc */   \
 805         if ((size) > KMALLOC_MAX_SIZE)                                          \
 806                 ptr = NULL;                                                   \
 807         else                                                                  \
 808                 OBD_ALLOC_GFP(ptr, size, GFP_NOFS | __GFP_NOWARN);            \
 809         if (ptr == NULL)                                                      \
 810                 OBD_VMALLOC(ptr, size);                                       \
 811 } while (0)
 812
 813 #define OBD_CPT_ALLOC_LARGE(ptr, cptab, cpt, size)                            \
 814 do {                                                                          \
 815         OBD_CPT_ALLOC_GFP(ptr, cptab, cpt, size, GFP_NOFS | __GFP_NOWARN);    \
 816         if (ptr == NULL)                                                      \
 817                 OBD_CPT_VMALLOC(ptr, cptab, cpt, size);                       \
 818 } while (0)
 819
 820 #ifdef CONFIG_DEBUG_SLAB
 821 #define POISON(ptr, c, s) do {} while (0)
 822 #define POISON_PTR(ptr)  ((void)0)
 823 #else
 824 #define POISON(ptr, c, s) memset(ptr, c, s)
 825 #define POISON_PTR(ptr)  (ptr) = (void *)0xdeadbeef
 826 #endif
 827
 828 #ifdef POISON_BULK
 829 #define POISON_PAGE(page, val) do { memset(kmap(page), val, PAGE_SIZE); \
 830                                     kunmap(page); } while (0)
 831 #else
 832 #define POISON_PAGE(page, val) do { } while (0)
 833 #endif
 834
 835 #define OBD_FREE(ptr, size)                                                   \
 836 do {                                                                          \
 837         OBD_FREE_PRE(ptr, size, "kfreed");                                    \
 838         kfree(ptr);                                                           \
 839         POISON_PTR(ptr);                                                      \
 840 } while (0)
 841
 842 #define OBD_FREE_LARGE(ptr, size)                                             \
 843 do {                                                                          \
 844         if (is_vmalloc_addr(ptr)) {                                           \
 845                 OBD_FREE_PRE(ptr, size, "vfreed");                            \
 846                 vfree(ptr);                                                   \
 847                 POISON_PTR(ptr);                                              \
 848         } else {                                                              \
 849                 OBD_FREE(ptr, size);                                          \
 850         }                                                                     \
 851 } while (0)
 852
 853 #define OBD_FREE_RCU(ptr, size, handle)                                       \
 854 do {                                                                          \
 855         struct portals_handle *__h = (handle);                                \
 856                                                                               \
 857         LASSERT(handle != NULL);                                              \
 858         __h->h_cookie = (unsigned long)(ptr);                                 \
 859         __h->h_size = (size);                                                 \
 860         call_rcu(&__h->h_rcu, class_handle_free_cb);                          \
 861         POISON_PTR(ptr);                                                      \
 862 } while(0)
 863
 864 /* we memset() the slab object to 0 when allocation succeeds, so DO NOT
 865  * HAVE A CTOR THAT DOES ANYTHING.  its work will be cleared here.  we'd
 866  * love to assert on that, but slab.c keeps kmem_cache_s all to itself. */
 867 #define OBD_SLAB_FREE_RTN0(ptr, slab)                                         \
 868 ({                                                                            \
 869         kmem_cache_free((slab), (ptr));                                    \
 870         (ptr) = NULL;                                                         \
 871         0;                                                                    \
 872 })
 873
 874 #define __OBD_SLAB_ALLOC_VERBOSE(ptr, slab, cptab, cpt, size, type)           \
 875 do {                                                                          \
 876         LASSERT(ergo((type) != GFP_ATOMIC, !in_interrupt()));                 \
 877         (ptr) = (cptab) == NULL ?                                             \
 878                 kmem_cache_alloc(slab, (type) | __GFP_ZERO) :                 \
 879                 cfs_mem_cache_cpt_alloc(slab, cptab, cpt, (type) | __GFP_ZERO); \
 880         if (likely((ptr)))                                                    \
 881                 OBD_ALLOC_POST(ptr, size, "slab-alloced");                    \
 882 } while(0)
 883
 884 #define OBD_SLAB_ALLOC_GFP(ptr, slab, size, flags)                            \
 885         __OBD_SLAB_ALLOC_VERBOSE(ptr, slab, NULL, 0, size, flags)
 886 #define OBD_SLAB_CPT_ALLOC_GFP(ptr, slab, cptab, cpt, size, flags)            \
 887         __OBD_SLAB_ALLOC_VERBOSE(ptr, slab, cptab, cpt, size, flags)
 888
 889 #define OBD_FREE_PTR(ptr) OBD_FREE(ptr, sizeof *(ptr))
 890
 891 #define OBD_SLAB_FREE(ptr, slab, size)                                        \
 892 do {                                                                          \
 893         OBD_FREE_PRE(ptr, size, "slab-freed");                                \
 894         kmem_cache_free(slab, ptr);                                        \
 895         POISON_PTR(ptr);                                                      \
 896 } while(0)
 897
 898 #define OBD_SLAB_ALLOC(ptr, slab, size)                                       \
 899         OBD_SLAB_ALLOC_GFP(ptr, slab, size, GFP_NOFS)
 900
 901 #define OBD_SLAB_CPT_ALLOC(ptr, slab, cptab, cpt, size)                       \
 902         OBD_SLAB_CPT_ALLOC_GFP(ptr, slab, cptab, cpt, size, GFP_NOFS)
 903
 904 #define OBD_SLAB_ALLOC_PTR(ptr, slab)                                         \
 905         OBD_SLAB_ALLOC(ptr, slab, sizeof *(ptr))
 906
 907 #define OBD_SLAB_CPT_ALLOC_PTR(ptr, slab, cptab, cpt)                         \
 908         OBD_SLAB_CPT_ALLOC(ptr, slab, cptab, cpt, sizeof *(ptr))
 909
 910 #define OBD_SLAB_ALLOC_PTR_GFP(ptr, slab, flags)                              \
 911         OBD_SLAB_ALLOC_GFP(ptr, slab, sizeof *(ptr), flags)
 912
 913 #define OBD_SLAB_CPT_ALLOC_PTR_GFP(ptr, slab, cptab, cpt, flags)                      \
 914         OBD_SLAB_CPT_ALLOC_GFP(ptr, slab, cptab, cpt, sizeof *(ptr), flags)
 915
 916 #define OBD_SLAB_FREE_PTR(ptr, slab)                                          \
 917         OBD_SLAB_FREE((ptr), (slab), sizeof *(ptr))
 918
 919 #define KEY_IS(str) \
 920         (keylen >= (sizeof(str)-1) && memcmp(key, str, (sizeof(str)-1)) == 0)
 921
 922 /* LUSTRE_LMA_FL_MASKS defines which flags will be stored in LMA */
 923
 924 static inline int lma_to_lustre_flags(__u32 lma_flags)
 925 {
 926         return (lma_flags & LMAI_ORPHAN) ? LUSTRE_ORPHAN_FL : 0;
 927 }
 928
 929 static inline int lustre_to_lma_flags(__u32 la_flags)
 930 {
 931         return (la_flags & LUSTRE_ORPHAN_FL) ? LMAI_ORPHAN : 0;
 932 }
 933
 934 #endif