1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
2 * vim:expandtab:shiftwidth=8:tabstop=8:
6 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 only,
10 * as published by the Free Software Foundation.
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License version 2 for more details (a copy is included
16 * in the LICENSE file that accompanied this code).
18 * You should have received a copy of the GNU General Public License
19 * version 2 along with this program; If not, see
20 * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
22 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
23 * CA 95054 USA or visit www.sun.com if you need additional information or
29 * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
30 * Use is subject to license terms.
33 * This file is part of Lustre, http://www.lustre.org/
34 * Lustre is a trademark of Sun Microsystems, Inc.
40 #include <libcfs/libcfs.h>
42 #include <lprocfs_status.h>
44 #if defined(__linux__)
45 #include <linux/obd_support.h>
46 #elif defined(__APPLE__)
47 #include <darwin/obd_support.h>
48 #elif defined(__WINNT__)
49 #include <winnt/obd_support.h>
51 #error Unsupported operating system.
54 /* global variables */
55 extern struct lprocfs_stats *obd_memory;
58 OBD_MEMORY_PAGES_STAT = 1,
62 extern unsigned int obd_debug_peer_on_timeout;
63 extern unsigned int obd_dump_on_timeout;
64 extern unsigned int obd_dump_on_eviction;
65 /* obd_timeout should only be used for recovery, not for
66 networking / disk / timings affected by load (use Adaptive Timeouts) */
67 extern unsigned int obd_timeout; /* seconds */
68 extern unsigned int ldlm_timeout; /* seconds */
69 extern unsigned int at_min;
70 extern unsigned int at_max;
71 extern unsigned int at_history;
72 extern int at_early_margin;
74 extern unsigned int obd_sync_filter;
75 extern unsigned int obd_max_dirty_pages;
76 extern cfs_atomic_t obd_dirty_pages;
77 extern cfs_atomic_t obd_dirty_transit_pages;
78 extern unsigned int obd_alloc_fail_rate;
81 int obd_alloc_fail(const void *ptr, const char *name, const char *type,
82 size_t size, const char *file, int line);
84 /* Some hash init argument constants */
85 #define HASH_POOLS_BKT_BITS 3
86 #define HASH_POOLS_CUR_BITS 3
87 #define HASH_POOLS_MAX_BITS 7
88 #define HASH_UUID_BKT_BITS 5
89 #define HASH_UUID_CUR_BITS 7
90 #define HASH_UUID_MAX_BITS 12
91 #define HASH_NID_BKT_BITS 5
92 #define HASH_NID_CUR_BITS 7
93 #define HASH_NID_MAX_BITS 12
94 #define HASH_NID_STATS_BKT_BITS 5
95 #define HASH_NID_STATS_CUR_BITS 7
96 #define HASH_NID_STATS_MAX_BITS 12
97 #define HASH_LQS_BKT_BITS 5
98 #define HASH_LQS_CUR_BITS 7
99 #define HASH_LQS_MAX_BITS 12
100 #define HASH_CONN_BKT_BITS 5
101 #define HASH_CONN_CUR_BITS 5
102 #define HASH_CONN_MAX_BITS 15
103 #define HASH_EXP_LOCK_BKT_BITS 5
104 #define HASH_EXP_LOCK_CUR_BITS 7
105 #define HASH_EXP_LOCK_MAX_BITS 16
106 #define HASH_CL_ENV_BKT_BITS 5
107 #define HASH_CL_ENV_BITS 10
109 /* Timeout definitions */
110 #define OBD_TIMEOUT_DEFAULT 100
111 #define LDLM_TIMEOUT_DEFAULT 20
112 #define MDS_LDLM_TIMEOUT_DEFAULT 6
113 /* Time to wait for all clients to reconnect during recovery (hard limit) */
114 #define OBD_RECOVERY_TIME_HARD (obd_timeout * 9)
115 /* Time to wait for all clients to reconnect during recovery (soft limit) */
116 /* Should be very conservative; must catch the first reconnect after reboot */
117 #define OBD_RECOVERY_TIME_SOFT (obd_timeout * 3)
118 /* Change recovery-small 26b time if you change this */
119 #define PING_INTERVAL max(obd_timeout / 4, 1U)
120 /* a bit more than maximal journal commit time in seconds */
121 #define PING_INTERVAL_SHORT min(PING_INTERVAL, 7U)
122 /* Client may skip 1 ping; we must wait at least 2.5. But for multiple
123 * failover targets the client only pings one server at a time, and pings
124 * can be lost on a loaded network. Since eviction has serious consequences,
125 * and there's no urgent need to evict a client just because it's idle, we
126 * should be very conservative here. */
127 #define PING_EVICT_TIMEOUT (PING_INTERVAL * 6)
128 #define DISK_TIMEOUT 50 /* Beyond this we warn about disk speed */
129 #define CONNECTION_SWITCH_MIN 5U /* Connection switching rate limiter */
130 /* Max connect interval for nonresponsive servers; ~50s to avoid building up
131 connect requests in the LND queues, but within obd_timeout so we don't
132 miss the recovery window */
133 #define CONNECTION_SWITCH_MAX min(50U, max(CONNECTION_SWITCH_MIN,obd_timeout))
134 #define CONNECTION_SWITCH_INC 5 /* Connection timeout backoff */
136 /* In general this should be low to have quick detection of a system
137 running on a backup server. (If it's too low, import_select_connection
138 will increase the timeout anyhow.) */
139 #define INITIAL_CONNECT_TIMEOUT max(CONNECTION_SWITCH_MIN,obd_timeout/20)
141 /* ...but for very large systems (e.g. CRAY) we need to keep the initial
142 connect t.o. high (bz 10803), because they will nearly ALWAYS be doing the
143 connects for the first time (clients "reboot" after every process, so no
144 chance to generate adaptive timeout data. */
145 #define INITIAL_CONNECT_TIMEOUT max(CONNECTION_SWITCH_MIN,obd_timeout/2)
147 /* The max delay between connects is SWITCH_MAX + SWITCH_INC + INITIAL */
148 #define RECONNECT_DELAY_MAX (CONNECTION_SWITCH_MAX + CONNECTION_SWITCH_INC + \
149 INITIAL_CONNECT_TIMEOUT)
150 /* The min time a target should wait for clients to reconnect in recovery */
151 #define OBD_RECOVERY_TIME_MIN (2*RECONNECT_DELAY_MAX)
152 #define OBD_IR_FACTOR_MIN 1
153 #define OBD_IR_FACTOR_MAX 10
154 #define OBD_IR_FACTOR_DEFAULT (OBD_IR_FACTOR_MAX/2)
155 /* default timeout for the MGS to become IR_FULL */
156 #define OBD_IR_MGS_TIMEOUT (4*obd_timeout)
157 #define LONG_UNLINK 300 /* Unlink should happen before now */
160 * Time interval of shrink, if the client is "idle" more than this interval,
161 * then the ll_grant thread will return the requested grant space to filter
163 #define GRANT_SHRINK_INTERVAL 1200/*20 minutes*/
165 #define OBD_FAIL_MDS 0x100
166 #define OBD_FAIL_MDS_HANDLE_UNPACK 0x101
167 #define OBD_FAIL_MDS_GETATTR_NET 0x102
168 #define OBD_FAIL_MDS_GETATTR_PACK 0x103
169 #define OBD_FAIL_MDS_READPAGE_NET 0x104
170 #define OBD_FAIL_MDS_READPAGE_PACK 0x105
171 #define OBD_FAIL_MDS_SENDPAGE 0x106
172 #define OBD_FAIL_MDS_REINT_NET 0x107
173 #define OBD_FAIL_MDS_REINT_UNPACK 0x108
174 #define OBD_FAIL_MDS_REINT_SETATTR 0x109
175 #define OBD_FAIL_MDS_REINT_SETATTR_WRITE 0x10a
176 #define OBD_FAIL_MDS_REINT_CREATE 0x10b
177 #define OBD_FAIL_MDS_REINT_CREATE_WRITE 0x10c
178 #define OBD_FAIL_MDS_REINT_UNLINK 0x10d
179 #define OBD_FAIL_MDS_REINT_UNLINK_WRITE 0x10e
180 #define OBD_FAIL_MDS_REINT_LINK 0x10f
181 #define OBD_FAIL_MDS_REINT_LINK_WRITE 0x110
182 #define OBD_FAIL_MDS_REINT_RENAME 0x111
183 #define OBD_FAIL_MDS_REINT_RENAME_WRITE 0x112
184 #define OBD_FAIL_MDS_OPEN_NET 0x113
185 #define OBD_FAIL_MDS_OPEN_PACK 0x114
186 #define OBD_FAIL_MDS_CLOSE_NET 0x115
187 #define OBD_FAIL_MDS_CLOSE_PACK 0x116
188 #define OBD_FAIL_MDS_CONNECT_NET 0x117
189 #define OBD_FAIL_MDS_CONNECT_PACK 0x118
190 #define OBD_FAIL_MDS_REINT_NET_REP 0x119
191 #define OBD_FAIL_MDS_DISCONNECT_NET 0x11a
192 #define OBD_FAIL_MDS_GETSTATUS_NET 0x11b
193 #define OBD_FAIL_MDS_GETSTATUS_PACK 0x11c
194 #define OBD_FAIL_MDS_STATFS_PACK 0x11d
195 #define OBD_FAIL_MDS_STATFS_NET 0x11e
196 #define OBD_FAIL_MDS_GETATTR_NAME_NET 0x11f
197 #define OBD_FAIL_MDS_PIN_NET 0x120
198 #define OBD_FAIL_MDS_UNPIN_NET 0x121
199 #define OBD_FAIL_MDS_ALL_REPLY_NET 0x122
200 #define OBD_FAIL_MDS_ALL_REQUEST_NET 0x123
201 #define OBD_FAIL_MDS_SYNC_NET 0x124
202 #define OBD_FAIL_MDS_SYNC_PACK 0x125
203 #define OBD_FAIL_MDS_DONE_WRITING_NET 0x126
204 #define OBD_FAIL_MDS_DONE_WRITING_PACK 0x127
205 #define OBD_FAIL_MDS_ALLOC_OBDO 0x128
206 #define OBD_FAIL_MDS_PAUSE_OPEN 0x129
207 #define OBD_FAIL_MDS_STATFS_LCW_SLEEP 0x12a
208 #define OBD_FAIL_MDS_OPEN_CREATE 0x12b
209 #define OBD_FAIL_MDS_OST_SETATTR 0x12c
210 #define OBD_FAIL_MDS_QUOTACHECK_NET 0x12d
211 #define OBD_FAIL_MDS_QUOTACTL_NET 0x12e
212 #define OBD_FAIL_MDS_CLIENT_ADD 0x12f
213 #define OBD_FAIL_MDS_GETXATTR_NET 0x130
214 #define OBD_FAIL_MDS_GETXATTR_PACK 0x131
215 #define OBD_FAIL_MDS_SETXATTR_NET 0x132
216 #define OBD_FAIL_MDS_SETXATTR 0x133
217 #define OBD_FAIL_MDS_SETXATTR_WRITE 0x134
218 #define OBD_FAIL_MDS_FS_SETUP 0x135
219 #define OBD_FAIL_MDS_RESEND 0x136
220 #define OBD_FAIL_MDS_LLOG_CREATE_FAILED 0x137
221 #define OBD_FAIL_MDS_LOV_SYNC_RACE 0x138
222 #define OBD_FAIL_MDS_OSC_PRECREATE 0x139
223 #define OBD_FAIL_MDS_LLOG_SYNC_TIMEOUT 0x13a
224 #define OBD_FAIL_MDS_CLOSE_NET_REP 0x13b
225 #define OBD_FAIL_MDS_BLOCK_QUOTA_REQ 0x13c
226 #define OBD_FAIL_MDS_DROP_QUOTA_REQ 0x13d
227 #define OBD_FAIL_MDS_REMOVE_COMMON_EA 0x13e
228 #define OBD_FAIL_MDS_ALLOW_COMMON_EA_SETTING 0x13f
229 #define OBD_FAIL_MDS_FAIL_LOV_LOG_ADD 0x140
230 #define OBD_FAIL_MDS_LOV_PREP_CREATE 0x141
231 #define OBD_FAIL_MDS_REINT_DELAY 0x142
232 #define OBD_FAIL_MDS_READLINK_EPROTO 0x143
233 #define OBD_FAIL_MDS_OPEN_WAIT_CREATE 0x144
234 #define OBD_FAIL_MDS_PDO_LOCK 0x145
235 #define OBD_FAIL_MDS_PDO_LOCK2 0x146
236 #define OBD_FAIL_MDS_OSC_CREATE_FAIL 0x147
239 #define OBD_FAIL_MDS_IS_SUBDIR_NET 0x180
240 #define OBD_FAIL_MDS_IS_SUBDIR_PACK 0x181
241 #define OBD_FAIL_MDS_SET_INFO_NET 0x182
242 #define OBD_FAIL_MDS_WRITEPAGE_NET 0x183
243 #define OBD_FAIL_MDS_WRITEPAGE_PACK 0x184
244 #define OBD_FAIL_MDS_RECOVERY_ACCEPTS_GAPS 0x185
245 #define OBD_FAIL_MDS_GET_INFO_NET 0x186
247 #define OBD_FAIL_OST 0x200
248 #define OBD_FAIL_OST_CONNECT_NET 0x201
249 #define OBD_FAIL_OST_DISCONNECT_NET 0x202
250 #define OBD_FAIL_OST_GET_INFO_NET 0x203
251 #define OBD_FAIL_OST_CREATE_NET 0x204
252 #define OBD_FAIL_OST_DESTROY_NET 0x205
253 #define OBD_FAIL_OST_GETATTR_NET 0x206
254 #define OBD_FAIL_OST_SETATTR_NET 0x207
255 #define OBD_FAIL_OST_OPEN_NET 0x208
256 #define OBD_FAIL_OST_CLOSE_NET 0x209
257 #define OBD_FAIL_OST_BRW_NET 0x20a
258 #define OBD_FAIL_OST_PUNCH_NET 0x20b
259 #define OBD_FAIL_OST_STATFS_NET 0x20c
260 #define OBD_FAIL_OST_HANDLE_UNPACK 0x20d
261 #define OBD_FAIL_OST_BRW_WRITE_BULK 0x20e
262 #define OBD_FAIL_OST_BRW_READ_BULK 0x20f
263 #define OBD_FAIL_OST_SYNC_NET 0x210
264 #define OBD_FAIL_OST_ALL_REPLY_NET 0x211
265 #define OBD_FAIL_OST_ALL_REQUEST_NET 0x212
266 #define OBD_FAIL_OST_LDLM_REPLY_NET 0x213
267 #define OBD_FAIL_OST_BRW_PAUSE_BULK 0x214
268 #define OBD_FAIL_OST_ENOSPC 0x215
269 #define OBD_FAIL_OST_EROFS 0x216
270 #define OBD_FAIL_OST_ENOENT 0x217
271 #define OBD_FAIL_OST_QUOTACHECK_NET 0x218
272 #define OBD_FAIL_OST_QUOTACTL_NET 0x219
273 #define OBD_FAIL_OST_CHECKSUM_RECEIVE 0x21a
274 #define OBD_FAIL_OST_CHECKSUM_SEND 0x21b
275 #define OBD_FAIL_OST_BRW_SIZE 0x21c
276 #define OBD_FAIL_OST_DROP_REQ 0x21d
277 #define OBD_FAIL_OST_SETATTR_CREDITS 0x21e
278 #define OBD_FAIL_OST_HOLD_WRITE_RPC 0x21f
279 #define OBD_FAIL_OST_BRW_WRITE_BULK2 0x220
280 #define OBD_FAIL_OST_LLOG_RECOVERY_TIMEOUT 0x221
281 #define OBD_FAIL_OST_CANCEL_COOKIE_TIMEOUT 0x222
282 #define OBD_FAIL_OST_PAUSE_CREATE 0x223
283 #define OBD_FAIL_OST_BRW_PAUSE_PACK 0x224
284 #define OBD_FAIL_OST_CONNECT_NET2 0x225
285 #define OBD_FAIL_OST_NOMEM 0x226
286 #define OBD_FAIL_OST_BRW_PAUSE_BULK2 0x227
287 #define OBD_FAIL_OST_MAPBLK_ENOSPC 0x228
288 #define OBD_FAIL_OST_ENOINO 0x229
290 #define OBD_FAIL_LDLM 0x300
291 #define OBD_FAIL_LDLM_NAMESPACE_NEW 0x301
292 #define OBD_FAIL_LDLM_ENQUEUE 0x302
293 #define OBD_FAIL_LDLM_CONVERT 0x303
294 #define OBD_FAIL_LDLM_CANCEL 0x304
295 #define OBD_FAIL_LDLM_BL_CALLBACK 0x305
296 #define OBD_FAIL_LDLM_CP_CALLBACK 0x306
297 #define OBD_FAIL_LDLM_GL_CALLBACK 0x307
298 #define OBD_FAIL_LDLM_ENQUEUE_EXTENT_ERR 0x308
299 #define OBD_FAIL_LDLM_ENQUEUE_INTENT_ERR 0x309
300 #define OBD_FAIL_LDLM_CREATE_RESOURCE 0x30a
301 #define OBD_FAIL_LDLM_ENQUEUE_BLOCKED 0x30b
302 #define OBD_FAIL_LDLM_REPLY 0x30c
303 #define OBD_FAIL_LDLM_RECOV_CLIENTS 0x30d
304 #define OBD_FAIL_LDLM_ENQUEUE_OLD_EXPORT 0x30e
305 #define OBD_FAIL_LDLM_GLIMPSE 0x30f
306 #define OBD_FAIL_LDLM_CANCEL_RACE 0x310
307 #define OBD_FAIL_LDLM_CANCEL_EVICT_RACE 0x311
308 #define OBD_FAIL_LDLM_PAUSE_CANCEL 0x312
309 #define OBD_FAIL_LDLM_CLOSE_THREAD 0x313
310 #define OBD_FAIL_LDLM_CANCEL_BL_CB_RACE 0x314
311 #define OBD_FAIL_LDLM_CP_CB_WAIT 0x315
312 #define OBD_FAIL_LDLM_OST_FAIL_RACE 0x316
313 #define OBD_FAIL_LDLM_INTR_CP_AST 0x317
314 #define OBD_FAIL_LDLM_CP_BL_RACE 0x318
315 #define OBD_FAIL_LDLM_NEW_LOCK 0x319
318 #define OBD_FAIL_LDLM_SET_CONTENTION 0x385
320 #define OBD_FAIL_OSC 0x400
321 #define OBD_FAIL_OSC_BRW_READ_BULK 0x401
322 #define OBD_FAIL_OSC_BRW_WRITE_BULK 0x402
323 #define OBD_FAIL_OSC_LOCK_BL_AST 0x403
324 #define OBD_FAIL_OSC_LOCK_CP_AST 0x404
325 #define OBD_FAIL_OSC_MATCH 0x405
326 #define OBD_FAIL_OSC_BRW_PREP_REQ 0x406
327 #define OBD_FAIL_OSC_SHUTDOWN 0x407
328 #define OBD_FAIL_OSC_CHECKSUM_RECEIVE 0x408
329 #define OBD_FAIL_OSC_CHECKSUM_SEND 0x409
330 #define OBD_FAIL_OSC_BRW_PREP_REQ2 0x40a
331 #define OBD_FAIL_OSC_CONNECT_CKSUM 0x40b
332 #define OBD_FAIL_OSC_CKSUM_ADLER_ONLY 0x40c
333 #define OBD_FAIL_OSC_DIO_PAUSE 0x40d
334 #define OBD_FAIL_OSC_OBJECT_CONTENTION 0x40e
335 #define OBD_FAIL_OSC_CP_CANCEL_RACE 0x40f
336 #define OBD_FAIL_OSC_CP_ENQ_RACE 0x410
337 #define OBD_FAIL_OSC_NO_GRANT 0x411
339 #define OBD_FAIL_PTLRPC 0x500
340 #define OBD_FAIL_PTLRPC_ACK 0x501
341 #define OBD_FAIL_PTLRPC_RQBD 0x502
342 #define OBD_FAIL_PTLRPC_BULK_GET_NET 0x503
343 #define OBD_FAIL_PTLRPC_BULK_PUT_NET 0x504
344 #define OBD_FAIL_PTLRPC_DROP_RPC 0x505
345 #define OBD_FAIL_PTLRPC_DELAY_SEND 0x506
346 #define OBD_FAIL_PTLRPC_DELAY_RECOV 0x507
347 #define OBD_FAIL_PTLRPC_CLIENT_BULK_CB 0x508
348 #define OBD_FAIL_PTLRPC_PAUSE_REQ 0x50a
349 #define OBD_FAIL_PTLRPC_PAUSE_REP 0x50c
350 #define OBD_FAIL_PTLRPC_IMP_DEACTIVE 0x50d
351 #define OBD_FAIL_PTLRPC_DUMP_LOG 0x50e
352 #define OBD_FAIL_PTLRPC_LONG_REPL_UNLINK 0x50f
353 #define OBD_FAIL_PTLRPC_LONG_BULK_UNLINK 0x510
354 #define OBD_FAIL_PTLRPC_HPREQ_TIMEOUT 0x511
355 #define OBD_FAIL_PTLRPC_HPREQ_NOTIMEOUT 0x512
356 #define OBD_FAIL_PTLRPC_DROP_REQ_OPC 0x513
357 #define OBD_FAIL_PTLRPC_FINISH_REPLAY 0x514
359 #define OBD_FAIL_OBD_PING_NET 0x600
360 #define OBD_FAIL_OBD_LOG_CANCEL_NET 0x601
361 #define OBD_FAIL_OBD_LOGD_NET 0x602
362 #define OBD_FAIL_OBD_QC_CALLBACK_NET 0x603
363 #define OBD_FAIL_OBD_DQACQ 0x604
364 #define OBD_FAIL_OBD_LLOG_SETUP 0x605
365 #define OBD_FAIL_OBD_LOG_CANCEL_REP 0x606
367 #define OBD_FAIL_TGT_REPLY_NET 0x700
368 #define OBD_FAIL_TGT_CONN_RACE 0x701
369 #define OBD_FAIL_TGT_FORCE_RECONNECT 0x702
370 #define OBD_FAIL_TGT_DELAY_CONNECT 0x703
371 #define OBD_FAIL_TGT_DELAY_RECONNECT 0x704
372 #define OBD_FAIL_TGT_DELAY_PRECREATE 0x705
373 #define OBD_FAIL_TGT_TOOMANY_THREADS 0x706
374 #define OBD_FAIL_TGT_REPLAY_DROP 0x707
375 #define OBD_FAIL_TGT_FAKE_EXP 0x708
376 #define OBD_FAIL_TGT_REPLAY_DELAY 0x709
377 #define OBD_FAIL_TGT_LAST_REPLAY 0x710
378 #define OBD_FAIL_TGT_CLIENT_ADD 0x711
379 #define OBD_FAIL_TGT_RCVG_FLAG 0x712
381 #define OBD_FAIL_MDC_REVALIDATE_PAUSE 0x800
382 #define OBD_FAIL_MDC_ENQUEUE_PAUSE 0x801
383 #define OBD_FAIL_MDC_OLD_EXT_FLAGS 0x802
384 #define OBD_FAIL_MDC_GETATTR_ENQUEUE 0x803
386 #define OBD_FAIL_MGS 0x900
387 #define OBD_FAIL_MGS_ALL_REQUEST_NET 0x901
388 #define OBD_FAIL_MGS_ALL_REPLY_NET 0x902
389 #define OBD_FAIL_MGC_PAUSE_PROCESS_LOG 0x903
390 #define OBD_FAIL_MGS_PAUSE_REQ 0x904
391 #define OBD_FAIL_MGS_PAUSE_TARGET_REG 0x905
393 #define OBD_FAIL_QUOTA_RET_QDATA 0xA02
394 #define OBD_FAIL_QUOTA_DELAY_REL 0xA03
395 #define OBD_FAIL_QUOTA_DELAY_SD 0xA04
397 #define OBD_FAIL_LPROC_REMOVE 0xB00
399 #define OBD_FAIL_GENERAL_ALLOC 0xC00
401 #define OBD_FAIL_SEQ 0x1000
402 #define OBD_FAIL_SEQ_QUERY_NET 0x1001
404 #define OBD_FAIL_FLD 0x1100
405 #define OBD_FAIL_FLD_QUERY_NET 0x1101
407 #define OBD_FAIL_SEC_CTX 0x1200
408 #define OBD_FAIL_SEC_CTX_INIT_NET 0x1201
409 #define OBD_FAIL_SEC_CTX_INIT_CONT_NET 0x1202
410 #define OBD_FAIL_SEC_CTX_FINI_NET 0x1203
411 #define OBD_FAIL_SEC_CTX_HDL_PAUSE 0x1204
413 #define OBD_FAIL_LLOG 0x1300
414 #define OBD_FAIL_LLOG_ORIGIN_CONNECT_NET 0x1301
415 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_CREATE_NET 0x1302
416 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_DESTROY_NET 0x1303
417 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_READ_HEADER_NET 0x1304
418 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_NEXT_BLOCK_NET 0x1305
419 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_PREV_BLOCK_NET 0x1306
420 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_WRITE_REC_NET 0x1307
421 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_CLOSE_NET 0x1308
422 #define OBD_FAIL_LLOG_CATINFO_NET 0x1309
423 #define OBD_FAIL_MDS_SYNC_CAPA_SL 0x1310
424 #define OBD_FAIL_SEQ_ALLOC 0x1311
426 #define OBD_FAIL_LLITE 0x1400
427 #define OBD_FAIL_LLITE_FAULT_TRUNC_RACE 0x1401
429 /* Assign references to moved code to reduce code changes */
430 #define OBD_FAIL_PRECHECK(id) CFS_FAIL_PRECHECK(id)
431 #define OBD_FAIL_CHECK(id) CFS_FAIL_CHECK(id)
432 #define OBD_FAIL_CHECK_VALUE(id, value) CFS_FAIL_CHECK_VALUE(id, value)
433 #define OBD_FAIL_CHECK_ORSET(id, value) CFS_FAIL_CHECK_ORSET(id, value)
434 #define OBD_FAIL_CHECK_RESET(id, value) CFS_FAIL_CHECK_RESET(id, value)
435 #define OBD_FAIL_RETURN(id, ret) CFS_FAIL_RETURN(id, ret)
436 #define OBD_FAIL_TIMEOUT(id, secs) CFS_FAIL_TIMEOUT(id, secs)
437 #define OBD_FAIL_TIMEOUT_MS(id, ms) CFS_FAIL_TIMEOUT_MS(id, ms)
438 #define OBD_FAIL_TIMEOUT_ORSET(id, value, secs) CFS_FAIL_TIMEOUT_ORSET(id, value, secs)
439 #define OBD_RACE(id) CFS_RACE(id)
440 #define OBD_FAIL_ONCE CFS_FAIL_ONCE
441 #define OBD_FAILED CFS_FAILED
444 static inline void obd_fail_write(int id, struct super_block *sb)
446 /* We set FAIL_ONCE because we never "un-fail" a device */
447 if (OBD_FAIL_CHECK_ORSET(id & ~OBD_FAIL_ONCE, OBD_FAIL_ONCE)) {
449 BDEVNAME_DECLARE_STORAGE(tmp);
450 CERROR("cfs_fail_loc=%x, fail write operation on %s\n",
451 id, ll_bdevname(sb, tmp));
453 /* TODO-CMD: fix getting jdev */
454 __lvfs_set_rdonly(lvfs_sbdev(sb), (lvfs_sbdev_type)0);
457 #define OBD_FAIL_WRITE(id, sb) obd_fail_write(id, sb)
460 extern cfs_atomic_t libcfs_kmemory;
463 #define obd_memory_add(size) \
464 lprocfs_counter_add(obd_memory, OBD_MEMORY_STAT, (long)(size))
465 #define obd_memory_sub(size) \
466 lprocfs_counter_sub(obd_memory, OBD_MEMORY_STAT, (long)(size))
467 #define obd_memory_sum() \
468 lprocfs_stats_collector(obd_memory, OBD_MEMORY_STAT, \
469 LPROCFS_FIELDS_FLAGS_SUM)
470 #define obd_pages_add(order) \
471 lprocfs_counter_add(obd_memory, OBD_MEMORY_PAGES_STAT, \
472 (long)(1 << (order)))
473 #define obd_pages_sub(order) \
474 lprocfs_counter_sub(obd_memory, OBD_MEMORY_PAGES_STAT, \
475 (long)(1 << (order)))
476 #define obd_pages_sum() \
477 lprocfs_stats_collector(obd_memory, OBD_MEMORY_PAGES_STAT, \
478 LPROCFS_FIELDS_FLAGS_SUM)
480 extern void obd_update_maxusage(void);
481 extern __u64 obd_memory_max(void);
482 extern __u64 obd_pages_max(void);
486 extern __u64 obd_alloc;
487 extern __u64 obd_pages;
489 extern __u64 obd_max_alloc;
490 extern __u64 obd_max_pages;
492 static inline void obd_memory_add(long size)
495 if (obd_alloc > obd_max_alloc)
496 obd_max_alloc = obd_alloc;
499 static inline void obd_memory_sub(long size)
504 static inline void obd_pages_add(int order)
506 obd_pages += 1<< order;
507 if (obd_pages > obd_max_pages)
508 obd_max_pages = obd_pages;
511 static inline void obd_pages_sub(int order)
513 obd_pages -= 1<< order;
516 #define obd_memory_sum() (obd_alloc)
517 #define obd_pages_sum() (obd_pages)
519 #define obd_memory_max() (obd_max_alloc)
520 #define obd_pages_max() (obd_max_pages)
524 #define OBD_DEBUG_MEMUSAGE (1)
526 #if OBD_DEBUG_MEMUSAGE
527 #define OBD_ALLOC_POST(ptr, size, name) \
528 obd_memory_add(size); \
529 CDEBUG(D_MALLOC, name " '" #ptr "': %d at %p.\n", \
532 #define OBD_FREE_PRE(ptr, size, name) \
534 obd_memory_sub(size); \
535 CDEBUG(D_MALLOC, name " '" #ptr "': %d at %p.\n", \
537 POISON(ptr, 0x5a, size)
539 #else /* !OBD_DEBUG_MEMUSAGE */
541 #define OBD_ALLOC_POST(ptr, size, name) ((void)0)
542 #define OBD_FREE_PRE(ptr, size, name) ((void)0)
544 #endif /* !OBD_DEBUG_MEMUSAGE */
546 #ifdef RANDOM_FAIL_ALLOC
547 #define HAS_FAIL_ALLOC_FLAG OBD_FAIL_CHECK(OBD_FAIL_GENERAL_ALLOC)
549 #define HAS_FAIL_ALLOC_FLAG 0
552 #define OBD_ALLOC_FAIL_BITS 24
553 #define OBD_ALLOC_FAIL_MASK ((1 << OBD_ALLOC_FAIL_BITS) - 1)
554 #define OBD_ALLOC_FAIL_MULT (OBD_ALLOC_FAIL_MASK / 100)
556 #if defined(LUSTRE_UTILS) /* this version is for utils only */
557 #define OBD_ALLOC_GFP(ptr, size, gfp_mask) \
559 (ptr) = cfs_alloc(size, (gfp_mask)); \
560 if (unlikely((ptr) == NULL)) { \
561 CERROR("kmalloc of '" #ptr "' (%d bytes) failed at %s:%d\n", \
562 (int)(size), __FILE__, __LINE__); \
564 memset(ptr, 0, size); \
565 CDEBUG(D_MALLOC, "kmalloced '" #ptr "': %d at %p\n", \
569 #else /* this version is for the kernel and liblustre */
570 #define OBD_FREE_RTN0(ptr) \
576 #define OBD_ALLOC_GFP(ptr, size, gfp_mask) \
578 (ptr) = cfs_alloc(size, (gfp_mask)); \
579 if (likely((ptr) != NULL && \
580 (!HAS_FAIL_ALLOC_FLAG || obd_alloc_fail_rate == 0 || \
581 !obd_alloc_fail(ptr, #ptr, "km", size, \
582 __FILE__, __LINE__) || \
583 OBD_FREE_RTN0(ptr)))){ \
584 memset(ptr, 0, size); \
585 OBD_ALLOC_POST(ptr, size, "kmalloced"); \
590 #ifndef OBD_ALLOC_MASK
591 # define OBD_ALLOC_MASK CFS_ALLOC_IO
594 #define OBD_ALLOC(ptr, size) OBD_ALLOC_GFP(ptr, size, OBD_ALLOC_MASK)
595 #define OBD_ALLOC_WAIT(ptr, size) OBD_ALLOC_GFP(ptr, size, CFS_ALLOC_STD)
596 #define OBD_ALLOC_PTR(ptr) OBD_ALLOC(ptr, sizeof *(ptr))
597 #define OBD_ALLOC_PTR_WAIT(ptr) OBD_ALLOC_WAIT(ptr, sizeof *(ptr))
600 # define OBD_VMALLOC(ptr, size) OBD_ALLOC(ptr, size)
602 # define OBD_VMALLOC(ptr, size) \
604 (ptr) = cfs_alloc_large(size); \
605 if (unlikely((ptr) == NULL)) { \
606 CERROR("vmalloc of '" #ptr "' (%d bytes) failed\n", \
608 CERROR(LPU64" total bytes allocated by Lustre, %d by LNET\n", \
609 obd_memory_sum(), cfs_atomic_read(&libcfs_kmemory)); \
611 memset(ptr, 0, size); \
612 OBD_ALLOC_POST(ptr, size, "vmalloced"); \
619 /* Allocations above this size are considered too big and could not be done
622 * Be very careful when changing this value, especially when decreasing it,
623 * since vmalloc in Linux doesn't perform well on multi-cores system, calling
624 * vmalloc in critical path would hurt peformance badly. See LU-66.
626 #define OBD_ALLOC_BIG (4 * CFS_PAGE_SIZE)
628 #define OBD_ALLOC_LARGE(ptr, size) \
630 if (size > OBD_ALLOC_BIG) \
631 OBD_VMALLOC(ptr, size); \
633 OBD_ALLOC(ptr, size); \
636 #define OBD_FREE_LARGE(ptr, size) \
638 if (size > OBD_ALLOC_BIG) \
639 OBD_VFREE(ptr, size); \
641 OBD_FREE(ptr, size); \
644 #define OBD_ALLOC_LARGE(ptr, size) OBD_ALLOC(ptr, size)
645 #define OBD_FREE_LARGE(ptr, size) OBD_FREE(ptr,size)
648 #ifdef CONFIG_DEBUG_SLAB
649 #define POISON(ptr, c, s) do {} while (0)
650 #define POISON_PTR(ptr) ((void)0)
652 #define POISON(ptr, c, s) memset(ptr, c, s)
653 #define POISON_PTR(ptr) (ptr) = (void *)0xdeadbeef
657 #define POISON_PAGE(page, val) do { memset(kmap(page), val, CFS_PAGE_SIZE); \
658 kunmap(page); } while (0)
660 #define POISON_PAGE(page, val) do { } while (0)
664 #define OBD_FREE(ptr, size) \
666 OBD_FREE_PRE(ptr, size, "kfreed"); \
673 # ifdef HAVE_CALL_RCU_PARAM
674 # define my_call_rcu(rcu, cb) call_rcu(rcu, cb, rcu)
676 # define my_call_rcu(rcu, cb) call_rcu(rcu, cb)
679 # define my_call_rcu(rcu, cb) (cb)(rcu)
682 #define OBD_FREE_RCU_CB(ptr, size, handle, free_cb) \
684 struct portals_handle *__h = (handle); \
686 __h->h_ptr = (ptr); \
687 __h->h_size = (size); \
688 __h->h_free_cb = (void (*)(void *, size_t))(free_cb); \
689 my_call_rcu(&__h->h_rcu, class_handle_free_cb); \
692 #define OBD_FREE_RCU(ptr, size, handle) OBD_FREE_RCU_CB(ptr, size, handle, NULL)
695 #define OBD_FREE(ptr, size) ((void)(size), free((ptr)))
696 #define OBD_FREE_RCU(ptr, size, handle) (OBD_FREE(ptr, size))
697 #define OBD_FREE_RCU_CB(ptr, size, handle, cb) ((*(cb))(ptr, size))
698 #endif /* ifdef __KERNEL__ */
701 # define OBD_VFREE(ptr, size) OBD_FREE(ptr, size)
703 # define OBD_VFREE(ptr, size) \
705 OBD_FREE_PRE(ptr, size, "vfreed"); \
706 cfs_free_large(ptr); \
711 /* we memset() the slab object to 0 when allocation succeeds, so DO NOT
712 * HAVE A CTOR THAT DOES ANYTHING. its work will be cleared here. we'd
713 * love to assert on that, but slab.c keeps kmem_cache_s all to itself. */
714 #define OBD_SLAB_FREE_RTN0(ptr, slab) \
716 cfs_mem_cache_free((slab), (ptr)); \
720 #define OBD_SLAB_ALLOC(ptr, slab, type, size) \
722 LASSERT(ergo(type != CFS_ALLOC_ATOMIC, !cfs_in_interrupt())); \
723 (ptr) = cfs_mem_cache_alloc(slab, (type)); \
724 if (likely((ptr) != NULL && \
725 (!HAS_FAIL_ALLOC_FLAG || obd_alloc_fail_rate == 0 || \
726 !obd_alloc_fail(ptr, #ptr, "slab-", size, \
727 __FILE__, __LINE__) || \
728 OBD_SLAB_FREE_RTN0(ptr, slab)))) { \
729 memset(ptr, 0, size); \
730 OBD_ALLOC_POST(ptr, size, "slab-alloced"); \
734 #define OBD_FREE_PTR(ptr) OBD_FREE(ptr, sizeof *(ptr))
736 #define OBD_SLAB_FREE(ptr, slab, size) \
738 OBD_FREE_PRE(ptr, size, "slab-freed"); \
739 cfs_mem_cache_free(slab, ptr); \
743 #define OBD_SLAB_ALLOC_PTR(ptr, slab) \
744 OBD_SLAB_ALLOC((ptr), (slab), CFS_ALLOC_STD, sizeof *(ptr))
745 #define OBD_SLAB_FREE_PTR(ptr, slab) \
746 OBD_SLAB_FREE((ptr), (slab), sizeof *(ptr))
747 #define OBD_SLAB_ALLOC_PTR_GFP(ptr, slab, gfp) \
748 OBD_SLAB_ALLOC((ptr), (slab), (gfp), sizeof *(ptr))
750 #define KEY_IS(str) \
751 (keylen >= (sizeof(str)-1) && memcmp(key, str, (sizeof(str)-1)) == 0)
753 /* Wrapper for contiguous page frame allocation */
754 #define OBD_PAGE_ALLOC(ptr, gfp_mask) \
756 (ptr) = cfs_alloc_page(gfp_mask); \
757 if (unlikely((ptr) == NULL)) { \
758 CERROR("alloc_pages of '" #ptr "' %d page(s) / "LPU64" bytes "\
759 "failed\n", (int)1, \
760 (__u64)(1 << CFS_PAGE_SHIFT)); \
761 CERROR(LPU64" total bytes and "LPU64" total pages " \
762 "("LPU64" bytes) allocated by Lustre, " \
763 "%d total bytes by LNET\n", \
765 obd_pages_sum() << CFS_PAGE_SHIFT, \
767 cfs_atomic_read(&libcfs_kmemory)); \
770 CDEBUG(D_MALLOC, "alloc_pages '" #ptr "': %d page(s) / " \
771 LPU64" bytes at %p.\n", \
773 (__u64)(1 << CFS_PAGE_SHIFT), ptr); \
777 #define OBD_PAGE_FREE(ptr) \
781 CDEBUG(D_MALLOC, "free_pages '" #ptr "': %d page(s) / "LPU64" bytes " \
783 (int)1, (__u64)(1 << CFS_PAGE_SHIFT), \
785 cfs_free_page(ptr); \
786 (ptr) = (void *)0xdeadbeef; \