4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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.
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).
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
23 * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
24 * Use is subject to license terms.
26 * Copyright (c) 2011, 2015, Intel Corporation.
29 * This file is part of Lustre, http://www.lustre.org/
30 * Lustre is a trademark of Sun Microsystems, Inc.
36 #include <linux/slab.h>
37 #include <linux/sched/signal.h>
39 #include <linux/libcfs/libcfs.h>
40 #include <lustre_compat.h>
41 #include <lprocfs_status.h>
43 /* global variables */
44 extern unsigned int obd_debug_peer_on_timeout;
45 extern unsigned int obd_dump_on_timeout;
46 extern unsigned int obd_dump_on_eviction;
47 /* obd_timeout should only be used for recovery, not for
48 * networking / disk / timings affected by load (use Adaptive Timeouts)
50 extern unsigned int obd_timeout; /* seconds */
51 extern unsigned int obd_timeout_set;
52 extern unsigned int at_min;
53 extern unsigned int at_max;
54 extern unsigned int at_history;
55 extern int at_early_margin;
57 extern unsigned long obd_max_dirty_pages;
58 extern atomic_long_t obd_dirty_pages;
59 extern atomic_long_t obd_dirty_transit_pages;
60 extern char obd_jobid_var[];
62 /* Some hash init argument constants */
63 #define HASH_POOLS_BKT_BITS 3
64 #define HASH_POOLS_CUR_BITS 3
65 #define HASH_POOLS_MAX_BITS 7
66 #define HASH_UUID_BKT_BITS 5
67 #define HASH_UUID_CUR_BITS 7
68 #define HASH_UUID_MAX_BITS 12
69 #define HASH_NID_BKT_BITS 5
70 #define HASH_NID_CUR_BITS 7
71 #define HASH_NID_MAX_BITS 12
72 #define HASH_NID_STATS_BKT_BITS 5
73 #define HASH_NID_STATS_CUR_BITS 7
74 #define HASH_NID_STATS_MAX_BITS 12
75 #define HASH_LQE_BKT_BITS 5
76 #define HASH_LQE_CUR_BITS 7
77 #define HASH_LQE_MAX_BITS 12
78 #define HASH_CONN_BKT_BITS 5
79 #define HASH_CONN_CUR_BITS 5
80 #define HASH_CONN_MAX_BITS 15
81 #define HASH_EXP_LOCK_BKT_BITS 5
82 #define HASH_EXP_LOCK_CUR_BITS 7
83 #define HASH_EXP_LOCK_MAX_BITS 16
84 #define HASH_CL_ENV_BKT_BITS 5
85 #define HASH_CL_ENV_BITS 10
86 #define HASH_JOB_STATS_BKT_BITS 5
87 #define HASH_JOB_STATS_CUR_BITS 7
88 #define HASH_JOB_STATS_MAX_BITS 12
90 /* Timeout definitions */
91 #define OBD_TIMEOUT_DEFAULT 100
92 /* Time to wait for all clients to reconnect during recovery (hard limit) */
93 #define OBD_RECOVERY_TIME_HARD (obd_timeout * 9)
94 /* Time to wait for all clients to reconnect during recovery (soft limit) */
95 /* Should be very conservative; must catch the first reconnect after reboot */
96 #define OBD_RECOVERY_TIME_SOFT (obd_timeout * 3)
97 /* Change recovery-small 26b time if you change this */
98 #define PING_INTERVAL max(obd_timeout / 4, 1U)
99 /* a bit more than maximal journal commit time in seconds */
100 #define PING_INTERVAL_SHORT min(PING_INTERVAL, 7U)
101 /* Client may skip 1 ping; we must wait at least 2.5. But for multiple
102 * failover targets the client only pings one server at a time, and pings
103 * can be lost on a loaded network. Since eviction has serious consequences,
104 * and there's no urgent need to evict a client just because it's idle, we
105 * should be very conservative here.
107 #define PING_EVICT_TIMEOUT (PING_INTERVAL * 6)
108 #define DISK_TIMEOUT 50 /* Beyond this we warn about disk speed */
109 #define CONNECTION_SWITCH_MIN 5U /* Connection switching rate limiter */
110 /* Max connect interval for nonresponsive servers; ~50s to avoid building up
111 * connect requests in the LND queues, but within obd_timeout so we don't
112 * miss the recovery window
114 #define CONNECTION_SWITCH_MAX min(50U, max(CONNECTION_SWITCH_MIN, obd_timeout))
115 #define CONNECTION_SWITCH_INC 5 /* Connection timeout backoff */
116 /* In general this should be low to have quick detection of a system
117 * running on a backup server. (If it's too low, import_select_connection
118 * will increase the timeout anyhow.)
120 #define INITIAL_CONNECT_TIMEOUT max(CONNECTION_SWITCH_MIN, obd_timeout / 20)
121 /* The max delay between connects is SWITCH_MAX + SWITCH_INC + INITIAL */
122 #define RECONNECT_DELAY_MAX (CONNECTION_SWITCH_MAX + CONNECTION_SWITCH_INC + \
123 INITIAL_CONNECT_TIMEOUT)
124 /* The min time a target should wait for clients to reconnect in recovery */
125 #define OBD_RECOVERY_TIME_MIN (2 * RECONNECT_DELAY_MAX)
126 #define OBD_IR_FACTOR_MIN 1
127 #define OBD_IR_FACTOR_MAX 10
128 #define OBD_IR_FACTOR_DEFAULT (OBD_IR_FACTOR_MAX / 2)
129 /* default timeout for the MGS to become IR_FULL */
130 #define OBD_IR_MGS_TIMEOUT (4 * obd_timeout)
131 #define LONG_UNLINK 300 /* Unlink should happen before now */
134 * Time interval of shrink, if the client is "idle" more than this interval,
135 * then the ll_grant thread will return the requested grant space to filter
137 #define GRANT_SHRINK_INTERVAL 1200/*20 minutes*/
139 #define OBD_FAIL_MDS 0x100
140 #define OBD_FAIL_MDS_HANDLE_UNPACK 0x101
141 #define OBD_FAIL_MDS_GETATTR_NET 0x102
142 #define OBD_FAIL_MDS_GETATTR_PACK 0x103
143 #define OBD_FAIL_MDS_READPAGE_NET 0x104
144 #define OBD_FAIL_MDS_READPAGE_PACK 0x105
145 #define OBD_FAIL_MDS_SENDPAGE 0x106
146 #define OBD_FAIL_MDS_REINT_NET 0x107
147 #define OBD_FAIL_MDS_REINT_UNPACK 0x108
148 #define OBD_FAIL_MDS_REINT_SETATTR 0x109
149 #define OBD_FAIL_MDS_REINT_SETATTR_WRITE 0x10a
150 #define OBD_FAIL_MDS_REINT_CREATE 0x10b
151 #define OBD_FAIL_MDS_REINT_CREATE_WRITE 0x10c
152 #define OBD_FAIL_MDS_REINT_UNLINK 0x10d
153 #define OBD_FAIL_MDS_REINT_UNLINK_WRITE 0x10e
154 #define OBD_FAIL_MDS_REINT_LINK 0x10f
155 #define OBD_FAIL_MDS_REINT_LINK_WRITE 0x110
156 #define OBD_FAIL_MDS_REINT_RENAME 0x111
157 #define OBD_FAIL_MDS_REINT_RENAME_WRITE 0x112
158 #define OBD_FAIL_MDS_OPEN_NET 0x113
159 #define OBD_FAIL_MDS_OPEN_PACK 0x114
160 #define OBD_FAIL_MDS_CLOSE_NET 0x115
161 #define OBD_FAIL_MDS_CLOSE_PACK 0x116
162 #define OBD_FAIL_MDS_CONNECT_NET 0x117
163 #define OBD_FAIL_MDS_CONNECT_PACK 0x118
164 #define OBD_FAIL_MDS_REINT_NET_REP 0x119
165 #define OBD_FAIL_MDS_DISCONNECT_NET 0x11a
166 #define OBD_FAIL_MDS_GETSTATUS_NET 0x11b
167 #define OBD_FAIL_MDS_GETSTATUS_PACK 0x11c
168 #define OBD_FAIL_MDS_STATFS_PACK 0x11d
169 #define OBD_FAIL_MDS_STATFS_NET 0x11e
170 #define OBD_FAIL_MDS_GETATTR_NAME_NET 0x11f
171 #define OBD_FAIL_MDS_PIN_NET 0x120
172 #define OBD_FAIL_MDS_UNPIN_NET 0x121
173 #define OBD_FAIL_MDS_ALL_REPLY_NET 0x122
174 #define OBD_FAIL_MDS_ALL_REQUEST_NET 0x123
175 #define OBD_FAIL_MDS_SYNC_NET 0x124
176 #define OBD_FAIL_MDS_SYNC_PACK 0x125
177 /* OBD_FAIL_MDS_DONE_WRITING_NET 0x126 obsolete since 2.8.0 */
178 /* OBD_FAIL_MDS_DONE_WRITING_PACK 0x127 obsolete since 2.8.0 */
179 #define OBD_FAIL_MDS_ALLOC_OBDO 0x128
180 #define OBD_FAIL_MDS_PAUSE_OPEN 0x129
181 #define OBD_FAIL_MDS_STATFS_LCW_SLEEP 0x12a
182 #define OBD_FAIL_MDS_OPEN_CREATE 0x12b
183 #define OBD_FAIL_MDS_OST_SETATTR 0x12c
184 /* OBD_FAIL_MDS_QUOTACHECK_NET 0x12d obsolete since 2.4 */
185 #define OBD_FAIL_MDS_QUOTACTL_NET 0x12e
186 #define OBD_FAIL_MDS_CLIENT_ADD 0x12f
187 #define OBD_FAIL_MDS_GETXATTR_NET 0x130
188 #define OBD_FAIL_MDS_GETXATTR_PACK 0x131
189 #define OBD_FAIL_MDS_SETXATTR_NET 0x132
190 #define OBD_FAIL_MDS_SETXATTR 0x133
191 #define OBD_FAIL_MDS_SETXATTR_WRITE 0x134
192 #define OBD_FAIL_MDS_FS_SETUP 0x135
193 #define OBD_FAIL_MDS_RESEND 0x136
194 #define OBD_FAIL_MDS_LLOG_CREATE_FAILED 0x137
195 #define OBD_FAIL_MDS_LOV_SYNC_RACE 0x138
196 #define OBD_FAIL_MDS_OSC_PRECREATE 0x139
197 #define OBD_FAIL_MDS_LLOG_SYNC_TIMEOUT 0x13a
198 #define OBD_FAIL_MDS_CLOSE_NET_REP 0x13b
199 #define OBD_FAIL_MDS_BLOCK_QUOTA_REQ 0x13c
200 #define OBD_FAIL_MDS_DROP_QUOTA_REQ 0x13d
201 #define OBD_FAIL_MDS_REMOVE_COMMON_EA 0x13e
202 #define OBD_FAIL_MDS_ALLOW_COMMON_EA_SETTING 0x13f
203 #define OBD_FAIL_MDS_FAIL_LOV_LOG_ADD 0x140
204 #define OBD_FAIL_MDS_LOV_PREP_CREATE 0x141
205 #define OBD_FAIL_MDS_REINT_DELAY 0x142
206 #define OBD_FAIL_MDS_READLINK_EPROTO 0x143
207 #define OBD_FAIL_MDS_OPEN_WAIT_CREATE 0x144
208 #define OBD_FAIL_MDS_PDO_LOCK 0x145
209 #define OBD_FAIL_MDS_PDO_LOCK2 0x146
210 #define OBD_FAIL_MDS_OSC_CREATE_FAIL 0x147
211 #define OBD_FAIL_MDS_NEGATIVE_POSITIVE 0x148
212 #define OBD_FAIL_MDS_HSM_STATE_GET_NET 0x149
213 #define OBD_FAIL_MDS_HSM_STATE_SET_NET 0x14a
214 #define OBD_FAIL_MDS_HSM_PROGRESS_NET 0x14b
215 #define OBD_FAIL_MDS_HSM_REQUEST_NET 0x14c
216 #define OBD_FAIL_MDS_HSM_CT_REGISTER_NET 0x14d
217 #define OBD_FAIL_MDS_HSM_CT_UNREGISTER_NET 0x14e
218 #define OBD_FAIL_MDS_SWAP_LAYOUTS_NET 0x14f
219 #define OBD_FAIL_MDS_HSM_ACTION_NET 0x150
220 #define OBD_FAIL_MDS_CHANGELOG_INIT 0x151
223 #define OBD_FAIL_MDS_NO_LL_GETATTR 0x170
224 #define OBD_FAIL_MDS_NO_LL_OPEN 0x171
225 #define OBD_FAIL_MDS_LL_BLOCK 0x172
228 #define OBD_FAIL_MDS_IS_SUBDIR_NET 0x180
229 #define OBD_FAIL_MDS_IS_SUBDIR_PACK 0x181
230 #define OBD_FAIL_MDS_SET_INFO_NET 0x182
231 #define OBD_FAIL_MDS_WRITEPAGE_NET 0x183
232 #define OBD_FAIL_MDS_WRITEPAGE_PACK 0x184
233 #define OBD_FAIL_MDS_RECOVERY_ACCEPTS_GAPS 0x185
234 #define OBD_FAIL_MDS_GET_INFO_NET 0x186
235 #define OBD_FAIL_MDS_DQACQ_NET 0x187
238 #define OBD_FAIL_OSD_SCRUB_DELAY 0x190
239 #define OBD_FAIL_OSD_SCRUB_CRASH 0x191
240 #define OBD_FAIL_OSD_SCRUB_FATAL 0x192
241 #define OBD_FAIL_OSD_FID_MAPPING 0x193
242 #define OBD_FAIL_OSD_LMA_INCOMPAT 0x194
243 #define OBD_FAIL_OSD_COMPAT_INVALID_ENTRY 0x195
245 #define OBD_FAIL_OST 0x200
246 #define OBD_FAIL_OST_CONNECT_NET 0x201
247 #define OBD_FAIL_OST_DISCONNECT_NET 0x202
248 #define OBD_FAIL_OST_GET_INFO_NET 0x203
249 #define OBD_FAIL_OST_CREATE_NET 0x204
250 #define OBD_FAIL_OST_DESTROY_NET 0x205
251 #define OBD_FAIL_OST_GETATTR_NET 0x206
252 #define OBD_FAIL_OST_SETATTR_NET 0x207
253 #define OBD_FAIL_OST_OPEN_NET 0x208
254 #define OBD_FAIL_OST_CLOSE_NET 0x209
255 #define OBD_FAIL_OST_BRW_NET 0x20a
256 #define OBD_FAIL_OST_PUNCH_NET 0x20b
257 #define OBD_FAIL_OST_STATFS_NET 0x20c
258 #define OBD_FAIL_OST_HANDLE_UNPACK 0x20d
259 #define OBD_FAIL_OST_BRW_WRITE_BULK 0x20e
260 #define OBD_FAIL_OST_BRW_READ_BULK 0x20f
261 #define OBD_FAIL_OST_SYNC_NET 0x210
262 #define OBD_FAIL_OST_ALL_REPLY_NET 0x211
263 #define OBD_FAIL_OST_ALL_REQUEST_NET 0x212
264 #define OBD_FAIL_OST_LDLM_REPLY_NET 0x213
265 #define OBD_FAIL_OST_BRW_PAUSE_BULK 0x214
266 #define OBD_FAIL_OST_ENOSPC 0x215
267 #define OBD_FAIL_OST_EROFS 0x216
268 #define OBD_FAIL_OST_ENOENT 0x217
269 /* OBD_FAIL_OST_QUOTACHECK_NET 0x218 obsolete since 2.4 */
270 #define OBD_FAIL_OST_QUOTACTL_NET 0x219
271 #define OBD_FAIL_OST_CHECKSUM_RECEIVE 0x21a
272 #define OBD_FAIL_OST_CHECKSUM_SEND 0x21b
273 #define OBD_FAIL_OST_BRW_SIZE 0x21c
274 #define OBD_FAIL_OST_DROP_REQ 0x21d
275 #define OBD_FAIL_OST_SETATTR_CREDITS 0x21e
276 #define OBD_FAIL_OST_HOLD_WRITE_RPC 0x21f
277 #define OBD_FAIL_OST_BRW_WRITE_BULK2 0x220
278 #define OBD_FAIL_OST_LLOG_RECOVERY_TIMEOUT 0x221
279 #define OBD_FAIL_OST_CANCEL_COOKIE_TIMEOUT 0x222
280 #define OBD_FAIL_OST_PAUSE_CREATE 0x223
281 #define OBD_FAIL_OST_BRW_PAUSE_PACK 0x224
282 #define OBD_FAIL_OST_CONNECT_NET2 0x225
283 #define OBD_FAIL_OST_NOMEM 0x226
284 #define OBD_FAIL_OST_BRW_PAUSE_BULK2 0x227
285 #define OBD_FAIL_OST_MAPBLK_ENOSPC 0x228
286 #define OBD_FAIL_OST_ENOINO 0x229
287 #define OBD_FAIL_OST_DQACQ_NET 0x230
288 #define OBD_FAIL_OST_STATFS_EINPROGRESS 0x231
289 #define OBD_FAIL_OST_SET_INFO_NET 0x232
291 #define OBD_FAIL_LDLM 0x300
292 #define OBD_FAIL_LDLM_NAMESPACE_NEW 0x301
293 #define OBD_FAIL_LDLM_ENQUEUE_NET 0x302
294 #define OBD_FAIL_LDLM_CONVERT_NET 0x303
295 #define OBD_FAIL_LDLM_CANCEL_NET 0x304
296 #define OBD_FAIL_LDLM_BL_CALLBACK_NET 0x305
297 #define OBD_FAIL_LDLM_CP_CALLBACK_NET 0x306
298 #define OBD_FAIL_LDLM_GL_CALLBACK_NET 0x307
299 #define OBD_FAIL_LDLM_ENQUEUE_EXTENT_ERR 0x308
300 #define OBD_FAIL_LDLM_ENQUEUE_INTENT_ERR 0x309
301 #define OBD_FAIL_LDLM_CREATE_RESOURCE 0x30a
302 #define OBD_FAIL_LDLM_ENQUEUE_BLOCKED 0x30b
303 #define OBD_FAIL_LDLM_REPLY 0x30c
304 #define OBD_FAIL_LDLM_RECOV_CLIENTS 0x30d
305 #define OBD_FAIL_LDLM_ENQUEUE_OLD_EXPORT 0x30e
306 #define OBD_FAIL_LDLM_GLIMPSE 0x30f
307 #define OBD_FAIL_LDLM_CANCEL_RACE 0x310
308 #define OBD_FAIL_LDLM_CANCEL_EVICT_RACE 0x311
309 #define OBD_FAIL_LDLM_PAUSE_CANCEL 0x312
310 #define OBD_FAIL_LDLM_CLOSE_THREAD 0x313
311 #define OBD_FAIL_LDLM_CANCEL_BL_CB_RACE 0x314
312 #define OBD_FAIL_LDLM_CP_CB_WAIT 0x315
313 #define OBD_FAIL_LDLM_OST_FAIL_RACE 0x316
314 #define OBD_FAIL_LDLM_INTR_CP_AST 0x317
315 #define OBD_FAIL_LDLM_CP_BL_RACE 0x318
316 #define OBD_FAIL_LDLM_NEW_LOCK 0x319
317 #define OBD_FAIL_LDLM_AGL_DELAY 0x31a
318 #define OBD_FAIL_LDLM_AGL_NOLOCK 0x31b
319 #define OBD_FAIL_LDLM_OST_LVB 0x31c
320 #define OBD_FAIL_LDLM_ENQUEUE_HANG 0x31d
321 #define OBD_FAIL_LDLM_PAUSE_CANCEL2 0x31f
322 #define OBD_FAIL_LDLM_CP_CB_WAIT2 0x320
323 #define OBD_FAIL_LDLM_CP_CB_WAIT3 0x321
324 #define OBD_FAIL_LDLM_CP_CB_WAIT4 0x322
325 #define OBD_FAIL_LDLM_CP_CB_WAIT5 0x323
327 #define OBD_FAIL_LDLM_GRANT_CHECK 0x32a
330 #define OBD_FAIL_LDLM_SET_CONTENTION 0x385
332 #define OBD_FAIL_OSC 0x400
333 #define OBD_FAIL_OSC_BRW_READ_BULK 0x401
334 #define OBD_FAIL_OSC_BRW_WRITE_BULK 0x402
335 #define OBD_FAIL_OSC_LOCK_BL_AST 0x403
336 #define OBD_FAIL_OSC_LOCK_CP_AST 0x404
337 #define OBD_FAIL_OSC_MATCH 0x405
338 #define OBD_FAIL_OSC_BRW_PREP_REQ 0x406
339 #define OBD_FAIL_OSC_SHUTDOWN 0x407
340 #define OBD_FAIL_OSC_CHECKSUM_RECEIVE 0x408
341 #define OBD_FAIL_OSC_CHECKSUM_SEND 0x409
342 #define OBD_FAIL_OSC_BRW_PREP_REQ2 0x40a
343 #define OBD_FAIL_OSC_CONNECT_CKSUM 0x40b
344 #define OBD_FAIL_OSC_CKSUM_ADLER_ONLY 0x40c
345 #define OBD_FAIL_OSC_DIO_PAUSE 0x40d
346 #define OBD_FAIL_OSC_OBJECT_CONTENTION 0x40e
347 #define OBD_FAIL_OSC_CP_CANCEL_RACE 0x40f
348 #define OBD_FAIL_OSC_CP_ENQ_RACE 0x410
349 #define OBD_FAIL_OSC_NO_GRANT 0x411
350 #define OBD_FAIL_OSC_DELAY_SETTIME 0x412
351 #define OBD_FAIL_OSC_DELAY_IO 0x414
353 #define OBD_FAIL_PTLRPC 0x500
354 #define OBD_FAIL_PTLRPC_ACK 0x501
355 #define OBD_FAIL_PTLRPC_RQBD 0x502
356 #define OBD_FAIL_PTLRPC_BULK_GET_NET 0x503
357 #define OBD_FAIL_PTLRPC_BULK_PUT_NET 0x504
358 #define OBD_FAIL_PTLRPC_DROP_RPC 0x505
359 #define OBD_FAIL_PTLRPC_DELAY_SEND 0x506
360 #define OBD_FAIL_PTLRPC_DELAY_RECOV 0x507
361 #define OBD_FAIL_PTLRPC_CLIENT_BULK_CB 0x508
362 #define OBD_FAIL_PTLRPC_PAUSE_REQ 0x50a
363 #define OBD_FAIL_PTLRPC_PAUSE_REP 0x50c
364 #define OBD_FAIL_PTLRPC_IMP_DEACTIVE 0x50d
365 #define OBD_FAIL_PTLRPC_DUMP_LOG 0x50e
366 #define OBD_FAIL_PTLRPC_LONG_REPL_UNLINK 0x50f
367 #define OBD_FAIL_PTLRPC_LONG_BULK_UNLINK 0x510
368 #define OBD_FAIL_PTLRPC_HPREQ_TIMEOUT 0x511
369 #define OBD_FAIL_PTLRPC_HPREQ_NOTIMEOUT 0x512
370 #define OBD_FAIL_PTLRPC_DROP_REQ_OPC 0x513
371 #define OBD_FAIL_PTLRPC_FINISH_REPLAY 0x514
372 #define OBD_FAIL_PTLRPC_CLIENT_BULK_CB2 0x515
373 #define OBD_FAIL_PTLRPC_DELAY_IMP_FULL 0x516
374 #define OBD_FAIL_PTLRPC_CANCEL_RESEND 0x517
375 #define OBD_FAIL_PTLRPC_DROP_BULK 0x51a
376 #define OBD_FAIL_PTLRPC_LONG_REQ_UNLINK 0x51b
377 #define OBD_FAIL_PTLRPC_LONG_BOTH_UNLINK 0x51c
379 #define OBD_FAIL_OBD_PING_NET 0x600
380 #define OBD_FAIL_OBD_LOG_CANCEL_NET 0x601
381 #define OBD_FAIL_OBD_LOGD_NET 0x602
382 /* OBD_FAIL_OBD_QC_CALLBACK_NET 0x603 obsolete since 2.4 */
383 #define OBD_FAIL_OBD_DQACQ 0x604
384 #define OBD_FAIL_OBD_LLOG_SETUP 0x605
385 #define OBD_FAIL_OBD_LOG_CANCEL_REP 0x606
386 #define OBD_FAIL_OBD_IDX_READ_NET 0x607
387 #define OBD_FAIL_OBD_IDX_READ_BREAK 0x608
388 #define OBD_FAIL_OBD_NO_LRU 0x609
390 #define OBD_FAIL_TGT_REPLY_NET 0x700
391 #define OBD_FAIL_TGT_CONN_RACE 0x701
392 #define OBD_FAIL_TGT_FORCE_RECONNECT 0x702
393 #define OBD_FAIL_TGT_DELAY_CONNECT 0x703
394 #define OBD_FAIL_TGT_DELAY_RECONNECT 0x704
395 #define OBD_FAIL_TGT_DELAY_PRECREATE 0x705
396 #define OBD_FAIL_TGT_TOOMANY_THREADS 0x706
397 #define OBD_FAIL_TGT_REPLAY_DROP 0x707
398 #define OBD_FAIL_TGT_FAKE_EXP 0x708
399 #define OBD_FAIL_TGT_REPLAY_DELAY 0x709
400 #define OBD_FAIL_TGT_LAST_REPLAY 0x710
401 #define OBD_FAIL_TGT_CLIENT_ADD 0x711
402 #define OBD_FAIL_TGT_RCVG_FLAG 0x712
403 #define OBD_FAIL_TGT_DELAY_CONDITIONAL 0x713
405 #define OBD_FAIL_MDC_REVALIDATE_PAUSE 0x800
406 #define OBD_FAIL_MDC_ENQUEUE_PAUSE 0x801
407 #define OBD_FAIL_MDC_OLD_EXT_FLAGS 0x802
408 #define OBD_FAIL_MDC_GETATTR_ENQUEUE 0x803
409 #define OBD_FAIL_MDC_RPCS_SEM 0x804
410 #define OBD_FAIL_MDC_LIGHTWEIGHT 0x805
411 #define OBD_FAIL_MDC_CLOSE 0x806
413 #define OBD_FAIL_MGS 0x900
414 #define OBD_FAIL_MGS_ALL_REQUEST_NET 0x901
415 #define OBD_FAIL_MGS_ALL_REPLY_NET 0x902
416 #define OBD_FAIL_MGC_PAUSE_PROCESS_LOG 0x903
417 #define OBD_FAIL_MGS_PAUSE_REQ 0x904
418 #define OBD_FAIL_MGS_PAUSE_TARGET_REG 0x905
419 #define OBD_FAIL_MGS_CONNECT_NET 0x906
420 #define OBD_FAIL_MGS_DISCONNECT_NET 0x907
421 #define OBD_FAIL_MGS_SET_INFO_NET 0x908
422 #define OBD_FAIL_MGS_EXCEPTION_NET 0x909
423 #define OBD_FAIL_MGS_TARGET_REG_NET 0x90a
424 #define OBD_FAIL_MGS_TARGET_DEL_NET 0x90b
425 #define OBD_FAIL_MGS_CONFIG_READ_NET 0x90c
427 #define OBD_FAIL_QUOTA_DQACQ_NET 0xA01
428 #define OBD_FAIL_QUOTA_EDQUOT 0xA02
429 #define OBD_FAIL_QUOTA_DELAY_REINT 0xA03
430 #define OBD_FAIL_QUOTA_RECOVERABLE_ERR 0xA04
432 #define OBD_FAIL_LPROC_REMOVE 0xB00
434 #define OBD_FAIL_SEQ 0x1000
435 #define OBD_FAIL_SEQ_QUERY_NET 0x1001
436 #define OBD_FAIL_SEQ_EXHAUST 0x1002
438 #define OBD_FAIL_FLD 0x1100
439 #define OBD_FAIL_FLD_QUERY_NET 0x1101
440 #define OBD_FAIL_FLD_READ_NET 0x1102
442 #define OBD_FAIL_SEC_CTX 0x1200
443 #define OBD_FAIL_SEC_CTX_INIT_NET 0x1201
444 #define OBD_FAIL_SEC_CTX_INIT_CONT_NET 0x1202
445 #define OBD_FAIL_SEC_CTX_FINI_NET 0x1203
446 #define OBD_FAIL_SEC_CTX_HDL_PAUSE 0x1204
448 #define OBD_FAIL_LLOG 0x1300
449 #define OBD_FAIL_LLOG_ORIGIN_CONNECT_NET 0x1301
450 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_CREATE_NET 0x1302
451 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_DESTROY_NET 0x1303
452 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_READ_HEADER_NET 0x1304
453 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_NEXT_BLOCK_NET 0x1305
454 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_PREV_BLOCK_NET 0x1306
455 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_WRITE_REC_NET 0x1307
456 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_CLOSE_NET 0x1308
457 #define OBD_FAIL_LLOG_CATINFO_NET 0x1309
458 #define OBD_FAIL_MDS_SYNC_CAPA_SL 0x1310
459 #define OBD_FAIL_SEQ_ALLOC 0x1311
461 #define OBD_FAIL_LLITE 0x1400
462 #define OBD_FAIL_LLITE_FAULT_TRUNC_RACE 0x1401
463 #define OBD_FAIL_LOCK_STATE_WAIT_INTR 0x1402
464 #define OBD_FAIL_LOV_INIT 0x1403
465 #define OBD_FAIL_GLIMPSE_DELAY 0x1404
466 #define OBD_FAIL_LLITE_XATTR_ENOMEM 0x1405
467 #define OBD_FAIL_MAKE_LOVEA_HOLE 0x1406
468 #define OBD_FAIL_LLITE_LOST_LAYOUT 0x1407
469 #define OBD_FAIL_GETATTR_DELAY 0x1409
471 #define OBD_FAIL_FID_INDIR 0x1501
472 #define OBD_FAIL_FID_INLMA 0x1502
473 #define OBD_FAIL_FID_IGIF 0x1504
474 #define OBD_FAIL_FID_LOOKUP 0x1505
475 #define OBD_FAIL_FID_NOLMA 0x1506
478 #define OBD_FAIL_LFSCK_DELAY1 0x1600
479 #define OBD_FAIL_LFSCK_DELAY2 0x1601
480 #define OBD_FAIL_LFSCK_DELAY3 0x1602
481 #define OBD_FAIL_LFSCK_LINKEA_CRASH 0x1603
482 #define OBD_FAIL_LFSCK_LINKEA_MORE 0x1604
483 #define OBD_FAIL_LFSCK_LINKEA_MORE2 0x1605
484 #define OBD_FAIL_LFSCK_FATAL1 0x1608
485 #define OBD_FAIL_LFSCK_FATAL2 0x1609
486 #define OBD_FAIL_LFSCK_CRASH 0x160a
487 #define OBD_FAIL_LFSCK_NO_AUTO 0x160b
488 #define OBD_FAIL_LFSCK_NO_DOUBLESCAN 0x160c
489 #define OBD_FAIL_LFSCK_INVALID_PFID 0x1619
490 #define OBD_FAIL_LFSCK_BAD_NAME_HASH 0x1628
493 #define OBD_FAIL_UPDATE_OBJ_NET 0x1700
494 #define OBD_FAIL_UPDATE_OBJ_NET_REP 0x1701
497 #define OBD_FAIL_UNKNOWN_LMV_STRIPE 0x1901
499 /* Assign references to moved code to reduce code changes */
500 #define OBD_FAIL_PRECHECK(id) CFS_FAIL_PRECHECK(id)
501 #define OBD_FAIL_CHECK(id) CFS_FAIL_CHECK(id)
502 #define OBD_FAIL_CHECK_VALUE(id, value) CFS_FAIL_CHECK_VALUE(id, value)
503 #define OBD_FAIL_CHECK_ORSET(id, value) CFS_FAIL_CHECK_ORSET(id, value)
504 #define OBD_FAIL_CHECK_RESET(id, value) CFS_FAIL_CHECK_RESET(id, value)
505 #define OBD_FAIL_RETURN(id, ret) CFS_FAIL_RETURN(id, ret)
506 #define OBD_FAIL_TIMEOUT(id, secs) CFS_FAIL_TIMEOUT(id, secs)
507 #define OBD_FAIL_TIMEOUT_MS(id, ms) CFS_FAIL_TIMEOUT_MS(id, ms)
508 #define OBD_FAIL_TIMEOUT_ORSET(id, value, secs) CFS_FAIL_TIMEOUT_ORSET(id, value, secs)
509 #define OBD_RACE(id) CFS_RACE(id)
510 #define OBD_FAIL_ONCE CFS_FAIL_ONCE
511 #define OBD_FAILED CFS_FAILED
513 #ifdef CONFIG_DEBUG_SLAB
514 #define POISON(ptr, c, s) do {} while (0)
515 #define POISON_PTR(ptr) ((void)0)
517 #define POISON(ptr, c, s) memset(ptr, c, s)
518 #define POISON_PTR(ptr) (ptr) = (void *)0xdeadbeef
522 #define POISON_PAGE(page, val) do { \
523 memset(kmap(page), val, PAGE_SIZE); \
527 #define POISON_PAGE(page, val) do { } while (0)
530 #define OBD_FREE_RCU(ptr, size, handle) \
532 struct portals_handle *__h = (handle); \
534 __h->h_cookie = (unsigned long)(ptr); \
535 __h->h_size = (size); \
536 call_rcu(&__h->h_rcu, class_handle_free_cb); \
540 #define KEY_IS(str) \
541 (keylen >= (sizeof(str) - 1) && \
542 memcmp(key, str, (sizeof(str) - 1)) == 0)