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.sun.com/software/products/lustre/docs/GPLv2.pdf
20 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
21 * CA 95054 USA or visit www.sun.com if you need additional information or
27 * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
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30 * Copyright (c) 2011, 2012, Whamcloud, Inc.
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;
79 extern char obd_jobid_var[];
82 int obd_alloc_fail(const void *ptr, const char *name, const char *type,
83 size_t size, const char *file, int line);
85 /* Some hash init argument constants */
86 #define HASH_POOLS_BKT_BITS 3
87 #define HASH_POOLS_CUR_BITS 3
88 #define HASH_POOLS_MAX_BITS 7
89 #define HASH_UUID_BKT_BITS 5
90 #define HASH_UUID_CUR_BITS 7
91 #define HASH_UUID_MAX_BITS 12
92 #define HASH_NID_BKT_BITS 5
93 #define HASH_NID_CUR_BITS 7
94 #define HASH_NID_MAX_BITS 12
95 #define HASH_NID_STATS_BKT_BITS 5
96 #define HASH_NID_STATS_CUR_BITS 7
97 #define HASH_NID_STATS_MAX_BITS 12
98 #define HASH_LQS_BKT_BITS 5
99 #define HASH_LQS_CUR_BITS 7
100 #define HASH_LQS_MAX_BITS 12
101 #define HASH_CONN_BKT_BITS 5
102 #define HASH_CONN_CUR_BITS 5
103 #define HASH_CONN_MAX_BITS 15
104 #define HASH_EXP_LOCK_BKT_BITS 5
105 #define HASH_EXP_LOCK_CUR_BITS 7
106 #define HASH_EXP_LOCK_MAX_BITS 16
107 #define HASH_CL_ENV_BKT_BITS 5
108 #define HASH_CL_ENV_BITS 10
109 #define HASH_JOB_STATS_BKT_BITS 5
110 #define HASH_JOB_STATS_CUR_BITS 7
111 #define HASH_JOB_STATS_MAX_BITS 12
113 /* Timeout definitions */
114 #define OBD_TIMEOUT_DEFAULT 100
115 #define LDLM_TIMEOUT_DEFAULT 20
116 #define MDS_LDLM_TIMEOUT_DEFAULT 6
117 /* Time to wait for all clients to reconnect during recovery (hard limit) */
118 #define OBD_RECOVERY_TIME_HARD (obd_timeout * 9)
119 /* Time to wait for all clients to reconnect during recovery (soft limit) */
120 /* Should be very conservative; must catch the first reconnect after reboot */
121 #define OBD_RECOVERY_TIME_SOFT (obd_timeout * 3)
122 /* Change recovery-small 26b time if you change this */
123 #define PING_INTERVAL max(obd_timeout / 4, 1U)
124 /* a bit more than maximal journal commit time in seconds */
125 #define PING_INTERVAL_SHORT min(PING_INTERVAL, 7U)
126 /* Client may skip 1 ping; we must wait at least 2.5. But for multiple
127 * failover targets the client only pings one server at a time, and pings
128 * can be lost on a loaded network. Since eviction has serious consequences,
129 * and there's no urgent need to evict a client just because it's idle, we
130 * should be very conservative here. */
131 #define PING_EVICT_TIMEOUT (PING_INTERVAL * 6)
132 #define DISK_TIMEOUT 50 /* Beyond this we warn about disk speed */
133 #define CONNECTION_SWITCH_MIN 5U /* Connection switching rate limiter */
134 /* Max connect interval for nonresponsive servers; ~50s to avoid building up
135 connect requests in the LND queues, but within obd_timeout so we don't
136 miss the recovery window */
137 #define CONNECTION_SWITCH_MAX min(50U, max(CONNECTION_SWITCH_MIN,obd_timeout))
138 #define CONNECTION_SWITCH_INC 5 /* Connection timeout backoff */
140 /* In general this should be low to have quick detection of a system
141 running on a backup server. (If it's too low, import_select_connection
142 will increase the timeout anyhow.) */
143 #define INITIAL_CONNECT_TIMEOUT max(CONNECTION_SWITCH_MIN,obd_timeout/20)
145 /* ...but for very large systems (e.g. CRAY) we need to keep the initial
146 connect t.o. high (bz 10803), because they will nearly ALWAYS be doing the
147 connects for the first time (clients "reboot" after every process, so no
148 chance to generate adaptive timeout data. */
149 #define INITIAL_CONNECT_TIMEOUT max(CONNECTION_SWITCH_MIN,obd_timeout/2)
151 /* The max delay between connects is SWITCH_MAX + SWITCH_INC + INITIAL */
152 #define RECONNECT_DELAY_MAX (CONNECTION_SWITCH_MAX + CONNECTION_SWITCH_INC + \
153 INITIAL_CONNECT_TIMEOUT)
154 /* The min time a target should wait for clients to reconnect in recovery */
155 #define OBD_RECOVERY_TIME_MIN (2*RECONNECT_DELAY_MAX)
156 #define OBD_IR_FACTOR_MIN 1
157 #define OBD_IR_FACTOR_MAX 10
158 #define OBD_IR_FACTOR_DEFAULT (OBD_IR_FACTOR_MAX/2)
159 /* default timeout for the MGS to become IR_FULL */
160 #define OBD_IR_MGS_TIMEOUT (4*obd_timeout)
161 #define LONG_UNLINK 300 /* Unlink should happen before now */
164 * Time interval of shrink, if the client is "idle" more than this interval,
165 * then the ll_grant thread will return the requested grant space to filter
167 #define GRANT_SHRINK_INTERVAL 1200/*20 minutes*/
169 #define OBD_FAIL_MDS 0x100
170 #define OBD_FAIL_MDS_HANDLE_UNPACK 0x101
171 #define OBD_FAIL_MDS_GETATTR_NET 0x102
172 #define OBD_FAIL_MDS_GETATTR_PACK 0x103
173 #define OBD_FAIL_MDS_READPAGE_NET 0x104
174 #define OBD_FAIL_MDS_READPAGE_PACK 0x105
175 #define OBD_FAIL_MDS_SENDPAGE 0x106
176 #define OBD_FAIL_MDS_REINT_NET 0x107
177 #define OBD_FAIL_MDS_REINT_UNPACK 0x108
178 #define OBD_FAIL_MDS_REINT_SETATTR 0x109
179 #define OBD_FAIL_MDS_REINT_SETATTR_WRITE 0x10a
180 #define OBD_FAIL_MDS_REINT_CREATE 0x10b
181 #define OBD_FAIL_MDS_REINT_CREATE_WRITE 0x10c
182 #define OBD_FAIL_MDS_REINT_UNLINK 0x10d
183 #define OBD_FAIL_MDS_REINT_UNLINK_WRITE 0x10e
184 #define OBD_FAIL_MDS_REINT_LINK 0x10f
185 #define OBD_FAIL_MDS_REINT_LINK_WRITE 0x110
186 #define OBD_FAIL_MDS_REINT_RENAME 0x111
187 #define OBD_FAIL_MDS_REINT_RENAME_WRITE 0x112
188 #define OBD_FAIL_MDS_OPEN_NET 0x113
189 #define OBD_FAIL_MDS_OPEN_PACK 0x114
190 #define OBD_FAIL_MDS_CLOSE_NET 0x115
191 #define OBD_FAIL_MDS_CLOSE_PACK 0x116
192 #define OBD_FAIL_MDS_CONNECT_NET 0x117
193 #define OBD_FAIL_MDS_CONNECT_PACK 0x118
194 #define OBD_FAIL_MDS_REINT_NET_REP 0x119
195 #define OBD_FAIL_MDS_DISCONNECT_NET 0x11a
196 #define OBD_FAIL_MDS_GETSTATUS_NET 0x11b
197 #define OBD_FAIL_MDS_GETSTATUS_PACK 0x11c
198 #define OBD_FAIL_MDS_STATFS_PACK 0x11d
199 #define OBD_FAIL_MDS_STATFS_NET 0x11e
200 #define OBD_FAIL_MDS_GETATTR_NAME_NET 0x11f
201 #define OBD_FAIL_MDS_PIN_NET 0x120
202 #define OBD_FAIL_MDS_UNPIN_NET 0x121
203 #define OBD_FAIL_MDS_ALL_REPLY_NET 0x122
204 #define OBD_FAIL_MDS_ALL_REQUEST_NET 0x123
205 #define OBD_FAIL_MDS_SYNC_NET 0x124
206 #define OBD_FAIL_MDS_SYNC_PACK 0x125
207 #define OBD_FAIL_MDS_DONE_WRITING_NET 0x126
208 #define OBD_FAIL_MDS_DONE_WRITING_PACK 0x127
209 #define OBD_FAIL_MDS_ALLOC_OBDO 0x128
210 #define OBD_FAIL_MDS_PAUSE_OPEN 0x129
211 #define OBD_FAIL_MDS_STATFS_LCW_SLEEP 0x12a
212 #define OBD_FAIL_MDS_OPEN_CREATE 0x12b
213 #define OBD_FAIL_MDS_OST_SETATTR 0x12c
214 #define OBD_FAIL_MDS_QUOTACHECK_NET 0x12d
215 #define OBD_FAIL_MDS_QUOTACTL_NET 0x12e
216 #define OBD_FAIL_MDS_CLIENT_ADD 0x12f
217 #define OBD_FAIL_MDS_GETXATTR_NET 0x130
218 #define OBD_FAIL_MDS_GETXATTR_PACK 0x131
219 #define OBD_FAIL_MDS_SETXATTR_NET 0x132
220 #define OBD_FAIL_MDS_SETXATTR 0x133
221 #define OBD_FAIL_MDS_SETXATTR_WRITE 0x134
222 #define OBD_FAIL_MDS_FS_SETUP 0x135
223 #define OBD_FAIL_MDS_RESEND 0x136
224 #define OBD_FAIL_MDS_LLOG_CREATE_FAILED 0x137
225 #define OBD_FAIL_MDS_LOV_SYNC_RACE 0x138
226 #define OBD_FAIL_MDS_OSC_PRECREATE 0x139
227 #define OBD_FAIL_MDS_LLOG_SYNC_TIMEOUT 0x13a
228 #define OBD_FAIL_MDS_CLOSE_NET_REP 0x13b
229 #define OBD_FAIL_MDS_BLOCK_QUOTA_REQ 0x13c
230 #define OBD_FAIL_MDS_DROP_QUOTA_REQ 0x13d
231 #define OBD_FAIL_MDS_REMOVE_COMMON_EA 0x13e
232 #define OBD_FAIL_MDS_ALLOW_COMMON_EA_SETTING 0x13f
233 #define OBD_FAIL_MDS_FAIL_LOV_LOG_ADD 0x140
234 #define OBD_FAIL_MDS_LOV_PREP_CREATE 0x141
235 #define OBD_FAIL_MDS_REINT_DELAY 0x142
236 #define OBD_FAIL_MDS_READLINK_EPROTO 0x143
237 #define OBD_FAIL_MDS_OPEN_WAIT_CREATE 0x144
238 #define OBD_FAIL_MDS_PDO_LOCK 0x145
239 #define OBD_FAIL_MDS_PDO_LOCK2 0x146
240 #define OBD_FAIL_MDS_OSC_CREATE_FAIL 0x147
243 #define OBD_FAIL_MDS_IS_SUBDIR_NET 0x180
244 #define OBD_FAIL_MDS_IS_SUBDIR_PACK 0x181
245 #define OBD_FAIL_MDS_SET_INFO_NET 0x182
246 #define OBD_FAIL_MDS_WRITEPAGE_NET 0x183
247 #define OBD_FAIL_MDS_WRITEPAGE_PACK 0x184
248 #define OBD_FAIL_MDS_RECOVERY_ACCEPTS_GAPS 0x185
249 #define OBD_FAIL_MDS_GET_INFO_NET 0x186
250 #define OBD_FAIL_MDS_DQACQ_NET 0x187
252 #define OBD_FAIL_OST 0x200
253 #define OBD_FAIL_OST_CONNECT_NET 0x201
254 #define OBD_FAIL_OST_DISCONNECT_NET 0x202
255 #define OBD_FAIL_OST_GET_INFO_NET 0x203
256 #define OBD_FAIL_OST_CREATE_NET 0x204
257 #define OBD_FAIL_OST_DESTROY_NET 0x205
258 #define OBD_FAIL_OST_GETATTR_NET 0x206
259 #define OBD_FAIL_OST_SETATTR_NET 0x207
260 #define OBD_FAIL_OST_OPEN_NET 0x208
261 #define OBD_FAIL_OST_CLOSE_NET 0x209
262 #define OBD_FAIL_OST_BRW_NET 0x20a
263 #define OBD_FAIL_OST_PUNCH_NET 0x20b
264 #define OBD_FAIL_OST_STATFS_NET 0x20c
265 #define OBD_FAIL_OST_HANDLE_UNPACK 0x20d
266 #define OBD_FAIL_OST_BRW_WRITE_BULK 0x20e
267 #define OBD_FAIL_OST_BRW_READ_BULK 0x20f
268 #define OBD_FAIL_OST_SYNC_NET 0x210
269 #define OBD_FAIL_OST_ALL_REPLY_NET 0x211
270 #define OBD_FAIL_OST_ALL_REQUEST_NET 0x212
271 #define OBD_FAIL_OST_LDLM_REPLY_NET 0x213
272 #define OBD_FAIL_OST_BRW_PAUSE_BULK 0x214
273 #define OBD_FAIL_OST_ENOSPC 0x215
274 #define OBD_FAIL_OST_EROFS 0x216
275 #define OBD_FAIL_OST_ENOENT 0x217
276 #define OBD_FAIL_OST_QUOTACHECK_NET 0x218
277 #define OBD_FAIL_OST_QUOTACTL_NET 0x219
278 #define OBD_FAIL_OST_CHECKSUM_RECEIVE 0x21a
279 #define OBD_FAIL_OST_CHECKSUM_SEND 0x21b
280 #define OBD_FAIL_OST_BRW_SIZE 0x21c
281 #define OBD_FAIL_OST_DROP_REQ 0x21d
282 #define OBD_FAIL_OST_SETATTR_CREDITS 0x21e
283 #define OBD_FAIL_OST_HOLD_WRITE_RPC 0x21f
284 #define OBD_FAIL_OST_BRW_WRITE_BULK2 0x220
285 #define OBD_FAIL_OST_LLOG_RECOVERY_TIMEOUT 0x221
286 #define OBD_FAIL_OST_CANCEL_COOKIE_TIMEOUT 0x222
287 #define OBD_FAIL_OST_PAUSE_CREATE 0x223
288 #define OBD_FAIL_OST_BRW_PAUSE_PACK 0x224
289 #define OBD_FAIL_OST_CONNECT_NET2 0x225
290 #define OBD_FAIL_OST_NOMEM 0x226
291 #define OBD_FAIL_OST_BRW_PAUSE_BULK2 0x227
292 #define OBD_FAIL_OST_MAPBLK_ENOSPC 0x228
293 #define OBD_FAIL_OST_ENOINO 0x229
294 #define OBD_FAIL_OST_DQACQ_NET 0x230
296 #define OBD_FAIL_LDLM 0x300
297 #define OBD_FAIL_LDLM_NAMESPACE_NEW 0x301
298 #define OBD_FAIL_LDLM_ENQUEUE 0x302
299 #define OBD_FAIL_LDLM_CONVERT 0x303
300 #define OBD_FAIL_LDLM_CANCEL 0x304
301 #define OBD_FAIL_LDLM_BL_CALLBACK 0x305
302 #define OBD_FAIL_LDLM_CP_CALLBACK 0x306
303 #define OBD_FAIL_LDLM_GL_CALLBACK 0x307
304 #define OBD_FAIL_LDLM_ENQUEUE_EXTENT_ERR 0x308
305 #define OBD_FAIL_LDLM_ENQUEUE_INTENT_ERR 0x309
306 #define OBD_FAIL_LDLM_CREATE_RESOURCE 0x30a
307 #define OBD_FAIL_LDLM_ENQUEUE_BLOCKED 0x30b
308 #define OBD_FAIL_LDLM_REPLY 0x30c
309 #define OBD_FAIL_LDLM_RECOV_CLIENTS 0x30d
310 #define OBD_FAIL_LDLM_ENQUEUE_OLD_EXPORT 0x30e
311 #define OBD_FAIL_LDLM_GLIMPSE 0x30f
312 #define OBD_FAIL_LDLM_CANCEL_RACE 0x310
313 #define OBD_FAIL_LDLM_CANCEL_EVICT_RACE 0x311
314 #define OBD_FAIL_LDLM_PAUSE_CANCEL 0x312
315 #define OBD_FAIL_LDLM_CLOSE_THREAD 0x313
316 #define OBD_FAIL_LDLM_CANCEL_BL_CB_RACE 0x314
317 #define OBD_FAIL_LDLM_CP_CB_WAIT 0x315
318 #define OBD_FAIL_LDLM_OST_FAIL_RACE 0x316
319 #define OBD_FAIL_LDLM_INTR_CP_AST 0x317
320 #define OBD_FAIL_LDLM_CP_BL_RACE 0x318
321 #define OBD_FAIL_LDLM_NEW_LOCK 0x319
322 #define OBD_FAIL_LDLM_AGL_DELAY 0x31a
323 #define OBD_FAIL_LDLM_AGL_NOLOCK 0x31b
326 #define OBD_FAIL_LDLM_SET_CONTENTION 0x385
328 #define OBD_FAIL_OSC 0x400
329 #define OBD_FAIL_OSC_BRW_READ_BULK 0x401
330 #define OBD_FAIL_OSC_BRW_WRITE_BULK 0x402
331 #define OBD_FAIL_OSC_LOCK_BL_AST 0x403
332 #define OBD_FAIL_OSC_LOCK_CP_AST 0x404
333 #define OBD_FAIL_OSC_MATCH 0x405
334 #define OBD_FAIL_OSC_BRW_PREP_REQ 0x406
335 #define OBD_FAIL_OSC_SHUTDOWN 0x407
336 #define OBD_FAIL_OSC_CHECKSUM_RECEIVE 0x408
337 #define OBD_FAIL_OSC_CHECKSUM_SEND 0x409
338 #define OBD_FAIL_OSC_BRW_PREP_REQ2 0x40a
339 #define OBD_FAIL_OSC_CONNECT_CKSUM 0x40b
340 #define OBD_FAIL_OSC_CKSUM_ADLER_ONLY 0x40c
341 #define OBD_FAIL_OSC_DIO_PAUSE 0x40d
342 #define OBD_FAIL_OSC_OBJECT_CONTENTION 0x40e
343 #define OBD_FAIL_OSC_CP_CANCEL_RACE 0x40f
344 #define OBD_FAIL_OSC_CP_ENQ_RACE 0x410
345 #define OBD_FAIL_OSC_NO_GRANT 0x411
347 #define OBD_FAIL_PTLRPC 0x500
348 #define OBD_FAIL_PTLRPC_ACK 0x501
349 #define OBD_FAIL_PTLRPC_RQBD 0x502
350 #define OBD_FAIL_PTLRPC_BULK_GET_NET 0x503
351 #define OBD_FAIL_PTLRPC_BULK_PUT_NET 0x504
352 #define OBD_FAIL_PTLRPC_DROP_RPC 0x505
353 #define OBD_FAIL_PTLRPC_DELAY_SEND 0x506
354 #define OBD_FAIL_PTLRPC_DELAY_RECOV 0x507
355 #define OBD_FAIL_PTLRPC_CLIENT_BULK_CB 0x508
356 #define OBD_FAIL_PTLRPC_PAUSE_REQ 0x50a
357 #define OBD_FAIL_PTLRPC_PAUSE_REP 0x50c
358 #define OBD_FAIL_PTLRPC_IMP_DEACTIVE 0x50d
359 #define OBD_FAIL_PTLRPC_DUMP_LOG 0x50e
360 #define OBD_FAIL_PTLRPC_LONG_REPL_UNLINK 0x50f
361 #define OBD_FAIL_PTLRPC_LONG_BULK_UNLINK 0x510
362 #define OBD_FAIL_PTLRPC_HPREQ_TIMEOUT 0x511
363 #define OBD_FAIL_PTLRPC_HPREQ_NOTIMEOUT 0x512
364 #define OBD_FAIL_PTLRPC_DROP_REQ_OPC 0x513
365 #define OBD_FAIL_PTLRPC_FINISH_REPLAY 0x514
366 #define OBD_FAIL_PTLRPC_CLIENT_BULK_CB2 0x515
368 #define OBD_FAIL_OBD_PING_NET 0x600
369 #define OBD_FAIL_OBD_LOG_CANCEL_NET 0x601
370 #define OBD_FAIL_OBD_LOGD_NET 0x602
371 #define OBD_FAIL_OBD_QC_CALLBACK_NET 0x603
372 #define OBD_FAIL_OBD_DQACQ 0x604
373 #define OBD_FAIL_OBD_LLOG_SETUP 0x605
374 #define OBD_FAIL_OBD_LOG_CANCEL_REP 0x606
376 #define OBD_FAIL_TGT_REPLY_NET 0x700
377 #define OBD_FAIL_TGT_CONN_RACE 0x701
378 #define OBD_FAIL_TGT_FORCE_RECONNECT 0x702
379 #define OBD_FAIL_TGT_DELAY_CONNECT 0x703
380 #define OBD_FAIL_TGT_DELAY_RECONNECT 0x704
381 #define OBD_FAIL_TGT_DELAY_PRECREATE 0x705
382 #define OBD_FAIL_TGT_TOOMANY_THREADS 0x706
383 #define OBD_FAIL_TGT_REPLAY_DROP 0x707
384 #define OBD_FAIL_TGT_FAKE_EXP 0x708
385 #define OBD_FAIL_TGT_REPLAY_DELAY 0x709
386 #define OBD_FAIL_TGT_LAST_REPLAY 0x710
387 #define OBD_FAIL_TGT_CLIENT_ADD 0x711
388 #define OBD_FAIL_TGT_RCVG_FLAG 0x712
390 #define OBD_FAIL_MDC_REVALIDATE_PAUSE 0x800
391 #define OBD_FAIL_MDC_ENQUEUE_PAUSE 0x801
392 #define OBD_FAIL_MDC_OLD_EXT_FLAGS 0x802
393 #define OBD_FAIL_MDC_GETATTR_ENQUEUE 0x803
395 #define OBD_FAIL_MGS 0x900
396 #define OBD_FAIL_MGS_ALL_REQUEST_NET 0x901
397 #define OBD_FAIL_MGS_ALL_REPLY_NET 0x902
398 #define OBD_FAIL_MGC_PAUSE_PROCESS_LOG 0x903
399 #define OBD_FAIL_MGS_PAUSE_REQ 0x904
400 #define OBD_FAIL_MGS_PAUSE_TARGET_REG 0x905
402 #define OBD_FAIL_QUOTA_RET_QDATA 0xA02
403 #define OBD_FAIL_QUOTA_DELAY_REL 0xA03
404 #define OBD_FAIL_QUOTA_DELAY_SD 0xA04
406 #define OBD_FAIL_LPROC_REMOVE 0xB00
408 #define OBD_FAIL_GENERAL_ALLOC 0xC00
410 #define OBD_FAIL_SEQ 0x1000
411 #define OBD_FAIL_SEQ_QUERY_NET 0x1001
413 #define OBD_FAIL_FLD 0x1100
414 #define OBD_FAIL_FLD_QUERY_NET 0x1101
416 #define OBD_FAIL_SEC_CTX 0x1200
417 #define OBD_FAIL_SEC_CTX_INIT_NET 0x1201
418 #define OBD_FAIL_SEC_CTX_INIT_CONT_NET 0x1202
419 #define OBD_FAIL_SEC_CTX_FINI_NET 0x1203
420 #define OBD_FAIL_SEC_CTX_HDL_PAUSE 0x1204
422 #define OBD_FAIL_LLOG 0x1300
423 #define OBD_FAIL_LLOG_ORIGIN_CONNECT_NET 0x1301
424 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_CREATE_NET 0x1302
425 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_DESTROY_NET 0x1303
426 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_READ_HEADER_NET 0x1304
427 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_NEXT_BLOCK_NET 0x1305
428 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_PREV_BLOCK_NET 0x1306
429 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_WRITE_REC_NET 0x1307
430 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_CLOSE_NET 0x1308
431 #define OBD_FAIL_LLOG_CATINFO_NET 0x1309
432 #define OBD_FAIL_MDS_SYNC_CAPA_SL 0x1310
433 #define OBD_FAIL_SEQ_ALLOC 0x1311
435 #define OBD_FAIL_LLITE 0x1400
436 #define OBD_FAIL_LLITE_FAULT_TRUNC_RACE 0x1401
437 #define OBD_FAIL_LOCK_STATE_WAIT_INTR 0x1402
439 /* Assign references to moved code to reduce code changes */
440 #define OBD_FAIL_PRECHECK(id) CFS_FAIL_PRECHECK(id)
441 #define OBD_FAIL_CHECK(id) CFS_FAIL_CHECK(id)
442 #define OBD_FAIL_CHECK_VALUE(id, value) CFS_FAIL_CHECK_VALUE(id, value)
443 #define OBD_FAIL_CHECK_ORSET(id, value) CFS_FAIL_CHECK_ORSET(id, value)
444 #define OBD_FAIL_CHECK_RESET(id, value) CFS_FAIL_CHECK_RESET(id, value)
445 #define OBD_FAIL_RETURN(id, ret) CFS_FAIL_RETURN(id, ret)
446 #define OBD_FAIL_TIMEOUT(id, secs) CFS_FAIL_TIMEOUT(id, secs)
447 #define OBD_FAIL_TIMEOUT_MS(id, ms) CFS_FAIL_TIMEOUT_MS(id, ms)
448 #define OBD_FAIL_TIMEOUT_ORSET(id, value, secs) CFS_FAIL_TIMEOUT_ORSET(id, value, secs)
449 #define OBD_RACE(id) CFS_RACE(id)
450 #define OBD_FAIL_ONCE CFS_FAIL_ONCE
451 #define OBD_FAILED CFS_FAILED
453 extern cfs_atomic_t libcfs_kmemory;
456 #define obd_memory_add(size) \
457 lprocfs_counter_add(obd_memory, OBD_MEMORY_STAT, (long)(size))
458 #define obd_memory_sub(size) \
459 lprocfs_counter_sub(obd_memory, OBD_MEMORY_STAT, (long)(size))
460 #define obd_memory_sum() \
461 lprocfs_stats_collector(obd_memory, OBD_MEMORY_STAT, \
462 LPROCFS_FIELDS_FLAGS_SUM)
463 #define obd_pages_add(order) \
464 lprocfs_counter_add(obd_memory, OBD_MEMORY_PAGES_STAT, \
465 (long)(1 << (order)))
466 #define obd_pages_sub(order) \
467 lprocfs_counter_sub(obd_memory, OBD_MEMORY_PAGES_STAT, \
468 (long)(1 << (order)))
469 #define obd_pages_sum() \
470 lprocfs_stats_collector(obd_memory, OBD_MEMORY_PAGES_STAT, \
471 LPROCFS_FIELDS_FLAGS_SUM)
473 extern void obd_update_maxusage(void);
474 extern __u64 obd_memory_max(void);
475 extern __u64 obd_pages_max(void);
479 extern __u64 obd_alloc;
480 extern __u64 obd_pages;
482 extern __u64 obd_max_alloc;
483 extern __u64 obd_max_pages;
485 static inline void obd_memory_add(long size)
488 if (obd_alloc > obd_max_alloc)
489 obd_max_alloc = obd_alloc;
492 static inline void obd_memory_sub(long size)
497 static inline void obd_pages_add(int order)
499 obd_pages += 1<< order;
500 if (obd_pages > obd_max_pages)
501 obd_max_pages = obd_pages;
504 static inline void obd_pages_sub(int order)
506 obd_pages -= 1<< order;
509 #define obd_memory_sum() (obd_alloc)
510 #define obd_pages_sum() (obd_pages)
512 #define obd_memory_max() (obd_max_alloc)
513 #define obd_pages_max() (obd_max_pages)
517 #define OBD_DEBUG_MEMUSAGE (1)
519 #if OBD_DEBUG_MEMUSAGE
520 #define OBD_ALLOC_POST(ptr, size, name) \
521 obd_memory_add(size); \
522 CDEBUG(D_MALLOC, name " '" #ptr "': %d at %p.\n", \
525 #define OBD_FREE_PRE(ptr, size, name) \
527 obd_memory_sub(size); \
528 CDEBUG(D_MALLOC, name " '" #ptr "': %d at %p.\n", \
530 POISON(ptr, 0x5a, size)
532 #else /* !OBD_DEBUG_MEMUSAGE */
534 #define OBD_ALLOC_POST(ptr, size, name) ((void)0)
535 #define OBD_FREE_PRE(ptr, size, name) ((void)0)
537 #endif /* !OBD_DEBUG_MEMUSAGE */
539 #ifdef RANDOM_FAIL_ALLOC
540 #define HAS_FAIL_ALLOC_FLAG OBD_FAIL_CHECK(OBD_FAIL_GENERAL_ALLOC)
542 #define HAS_FAIL_ALLOC_FLAG 0
545 #define OBD_ALLOC_FAIL_BITS 24
546 #define OBD_ALLOC_FAIL_MASK ((1 << OBD_ALLOC_FAIL_BITS) - 1)
547 #define OBD_ALLOC_FAIL_MULT (OBD_ALLOC_FAIL_MASK / 100)
549 #if defined(LUSTRE_UTILS) /* this version is for utils only */
550 #define __OBD_MALLOC_VERBOSE(ptr, cptab, cpt, size, flags) \
552 (ptr) = (cptab) == NULL ? \
553 cfs_alloc(size, flags) : \
554 cfs_cpt_malloc(cptab, cpt, size, flags); \
555 if (unlikely((ptr) == NULL)) { \
556 CERROR("kmalloc of '" #ptr "' (%d bytes) failed at %s:%d\n", \
557 (int)(size), __FILE__, __LINE__); \
559 memset(ptr, 0, size); \
560 CDEBUG(D_MALLOC, "kmalloced '" #ptr "': %d at %p\n", \
565 #else /* this version is for the kernel and liblustre */
566 #define OBD_FREE_RTN0(ptr) \
573 #define __OBD_MALLOC_VERBOSE(ptr, cptab, cpt, size, flags) \
575 (ptr) = (cptab) == NULL ? \
576 cfs_alloc(size, flags) : \
577 cfs_cpt_malloc(cptab, cpt, size, flags); \
578 if (likely((ptr) != NULL && \
579 (!HAS_FAIL_ALLOC_FLAG || obd_alloc_fail_rate == 0 || \
580 !obd_alloc_fail(ptr, #ptr, "km", size, \
581 __FILE__, __LINE__) || \
582 OBD_FREE_RTN0(ptr)))){ \
583 memset(ptr, 0, size); \
584 OBD_ALLOC_POST(ptr, size, "kmalloced"); \
589 #define OBD_ALLOC_GFP(ptr, size, gfp_mask) \
590 __OBD_MALLOC_VERBOSE(ptr, NULL, 0, size, gfp_mask)
592 #define OBD_ALLOC(ptr, size) OBD_ALLOC_GFP(ptr, size, CFS_ALLOC_IO)
593 #define OBD_ALLOC_WAIT(ptr, size) OBD_ALLOC_GFP(ptr, size, CFS_ALLOC_STD)
594 #define OBD_ALLOC_PTR(ptr) OBD_ALLOC(ptr, sizeof *(ptr))
595 #define OBD_ALLOC_PTR_WAIT(ptr) OBD_ALLOC_WAIT(ptr, sizeof *(ptr))
597 #define OBD_CPT_ALLOC_GFP(ptr, cptab, cpt, size, gfp_mask) \
598 __OBD_MALLOC_VERBOSE(ptr, cptab, cpt, size, gfp_mask)
600 #define OBD_CPT_ALLOC(ptr, cptab, cpt, size) \
601 OBD_CPT_ALLOC_GFP(ptr, cptab, cpt, size, CFS_ALLOC_IO)
603 #define OBD_CPT_ALLOC_PTR(ptr, cptab, cpt) \
604 OBD_CPT_ALLOC(ptr, cptab, cpt, sizeof *(ptr))
608 # define OBD_VMALLOC(ptr, size) \
610 # define OBD_CPT_VMALLOC(ptr, cptab, cpt, size) \
611 OBD_CPT_ALLOC(ptr, cptab, cpt, size)
613 #else /* !__arch_um__ */
615 # define __OBD_VMALLOC_VEROBSE(ptr, cptab, cpt, size) \
617 (ptr) = cptab == NULL ? \
618 cfs_alloc_large(size) : \
619 cfs_cpt_vmalloc(cptab, cpt, size); \
620 if (unlikely((ptr) == NULL)) { \
621 CERROR("vmalloc of '" #ptr "' (%d bytes) failed\n", \
623 CERROR(LPU64" total bytes allocated by Lustre, %d by LNET\n", \
624 obd_memory_sum(), cfs_atomic_read(&libcfs_kmemory)); \
626 memset(ptr, 0, size); \
627 OBD_ALLOC_POST(ptr, size, "vmalloced"); \
631 # define OBD_VMALLOC(ptr, size) \
632 __OBD_VMALLOC_VEROBSE(ptr, NULL, 0, size)
633 # define OBD_CPT_VMALLOC(ptr, cptab, cpt, size) \
634 __OBD_VMALLOC_VEROBSE(ptr, cptab, cpt, size)
640 /* Allocations above this size are considered too big and could not be done
643 * Be very careful when changing this value, especially when decreasing it,
644 * since vmalloc in Linux doesn't perform well on multi-cores system, calling
645 * vmalloc in critical path would hurt peformance badly. See LU-66.
647 #define OBD_ALLOC_BIG (4 * CFS_PAGE_SIZE)
649 #define OBD_ALLOC_LARGE(ptr, size) \
651 if (size > OBD_ALLOC_BIG) \
652 OBD_VMALLOC(ptr, size); \
654 OBD_ALLOC(ptr, size); \
657 #define OBD_CPT_ALLOC_LARGE(ptr, cptab, cpt, size) \
659 if (size > OBD_ALLOC_BIG) \
660 OBD_CPT_VMALLOC(ptr, cptab, cpt, size); \
662 OBD_CPT_ALLOC(ptr, cptab, cpt, size); \
665 #define OBD_FREE_LARGE(ptr, size) \
667 if (size > OBD_ALLOC_BIG) \
668 OBD_VFREE(ptr, size); \
670 OBD_FREE(ptr, size); \
673 #else /* !__KERNEL__ */
675 #define OBD_ALLOC_LARGE(ptr, size) \
677 #define OBD_CPT_ALLOC_LARGE(ptr, cptab, cpt, size) \
679 #define OBD_FREE_LARGE(ptr, size) \
682 #endif /* __KERNEL__ */
684 #ifdef CONFIG_DEBUG_SLAB
685 #define POISON(ptr, c, s) do {} while (0)
686 #define POISON_PTR(ptr) ((void)0)
688 #define POISON(ptr, c, s) memset(ptr, c, s)
689 #define POISON_PTR(ptr) (ptr) = (void *)0xdeadbeef
693 #define POISON_PAGE(page, val) do { memset(kmap(page), val, CFS_PAGE_SIZE); \
694 kunmap(page); } while (0)
696 #define POISON_PAGE(page, val) do { } while (0)
700 #define OBD_FREE(ptr, size) \
702 OBD_FREE_PRE(ptr, size, "kfreed"); \
709 # ifdef HAVE_CALL_RCU_PARAM
710 # define my_call_rcu(rcu, cb) call_rcu(rcu, cb, rcu)
712 # define my_call_rcu(rcu, cb) call_rcu(rcu, cb)
715 # define my_call_rcu(rcu, cb) (cb)(rcu)
718 #define OBD_FREE_RCU(ptr, size, handle) \
720 struct portals_handle *__h = (handle); \
722 LASSERT(handle != NULL); \
723 __h->h_cookie = (unsigned long)(ptr); \
724 __h->h_size = (size); \
725 my_call_rcu(&__h->h_rcu, class_handle_free_cb); \
730 #define OBD_FREE(ptr, size) ((void)(size), free((ptr)))
731 #define OBD_FREE_RCU(ptr, size, handle) (OBD_FREE(ptr, size))
732 #endif /* ifdef __KERNEL__ */
735 # define OBD_VFREE(ptr, size) OBD_FREE(ptr, size)
737 # define OBD_VFREE(ptr, size) \
739 OBD_FREE_PRE(ptr, size, "vfreed"); \
740 cfs_free_large(ptr); \
745 /* we memset() the slab object to 0 when allocation succeeds, so DO NOT
746 * HAVE A CTOR THAT DOES ANYTHING. its work will be cleared here. we'd
747 * love to assert on that, but slab.c keeps kmem_cache_s all to itself. */
748 #define OBD_SLAB_FREE_RTN0(ptr, slab) \
750 cfs_mem_cache_free((slab), (ptr)); \
755 #define __OBD_SLAB_ALLOC_VERBOSE(ptr, slab, cptab, cpt, size, type) \
757 LASSERT(ergo(type != CFS_ALLOC_ATOMIC, !cfs_in_interrupt())); \
758 (ptr) = (cptab) == NULL ? \
759 cfs_mem_cache_alloc(slab, type) : \
760 cfs_mem_cache_cpt_alloc(slab, cptab, cpt, type); \
761 if (likely((ptr) != NULL && \
762 (!HAS_FAIL_ALLOC_FLAG || obd_alloc_fail_rate == 0 || \
763 !obd_alloc_fail(ptr, #ptr, "slab-", size, \
764 __FILE__, __LINE__) || \
765 OBD_SLAB_FREE_RTN0(ptr, slab)))) { \
766 memset(ptr, 0, size); \
767 OBD_ALLOC_POST(ptr, size, "slab-alloced"); \
771 #define OBD_SLAB_ALLOC_GFP(ptr, slab, size, flags) \
772 __OBD_SLAB_ALLOC_VERBOSE(ptr, slab, NULL, 0, size, flags)
773 #define OBD_SLAB_CPT_ALLOC_GFP(ptr, slab, cptab, cpt, size, flags) \
774 __OBD_SLAB_ALLOC_VERBOSE(ptr, slab, cptab, cpt, size, flags)
776 #define OBD_FREE_PTR(ptr) OBD_FREE(ptr, sizeof *(ptr))
778 #define OBD_SLAB_FREE(ptr, slab, size) \
780 OBD_FREE_PRE(ptr, size, "slab-freed"); \
781 cfs_mem_cache_free(slab, ptr); \
785 #define OBD_SLAB_ALLOC(ptr, slab, size) \
786 OBD_SLAB_ALLOC_GFP(ptr, slab, size, CFS_ALLOC_IO)
788 #define OBD_SLAB_CPT_ALLOC(ptr, slab, cptab, cpt, size) \
789 OBD_SLAB_CPT_ALLOC_GFP(ptr, slab, cptab, cpt, size, CFS_ALLOC_IO)
791 #define OBD_SLAB_ALLOC_PTR(ptr, slab) \
792 OBD_SLAB_ALLOC(ptr, slab, sizeof *(ptr))
794 #define OBD_SLAB_CPT_ALLOC_PTR(ptr, slab, cptab, cpt) \
795 OBD_SLAB_CPT_ALLOC(ptr, slab, cptab, cpt, sizeof *(ptr))
797 #define OBD_SLAB_ALLOC_PTR_GFP(ptr, slab, flags) \
798 OBD_SLAB_ALLOC_GFP(ptr, slab, sizeof *(ptr), flags)
800 #define OBD_SLAB_CPT_ALLOC_PTR_GFP(ptr, slab, ctab, cpt, flags) \
801 OBD_SLAB_CPT_ALLOC_GFP(ptr, slab, cptab, cpt, sizeof *(ptr), flags)
803 #define OBD_SLAB_FREE_PTR(ptr, slab) \
804 OBD_SLAB_FREE((ptr), (slab), sizeof *(ptr))
806 #define KEY_IS(str) \
807 (keylen >= (sizeof(str)-1) && memcmp(key, str, (sizeof(str)-1)) == 0)
809 /* Wrapper for contiguous page frame allocation */
810 #define __OBD_PAGE_ALLOC_VERBOSE(ptr, cptab, cpt, gfp_mask) \
812 (ptr) = (cptab) == NULL ? \
813 cfs_alloc_page(gfp_mask) : \
814 cfs_page_cpt_alloc(cptab, cpt, gfp_mask); \
815 if (unlikely((ptr) == NULL)) { \
816 CERROR("alloc_pages of '" #ptr "' %d page(s) / "LPU64" bytes "\
817 "failed\n", (int)1, \
818 (__u64)(1 << CFS_PAGE_SHIFT)); \
819 CERROR(LPU64" total bytes and "LPU64" total pages " \
820 "("LPU64" bytes) allocated by Lustre, " \
821 "%d total bytes by LNET\n", \
823 obd_pages_sum() << CFS_PAGE_SHIFT, \
825 cfs_atomic_read(&libcfs_kmemory)); \
828 CDEBUG(D_MALLOC, "alloc_pages '" #ptr "': %d page(s) / " \
829 LPU64" bytes at %p.\n", \
831 (__u64)(1 << CFS_PAGE_SHIFT), ptr); \
835 #define OBD_PAGE_ALLOC(ptr, gfp_mask) \
836 __OBD_PAGE_ALLOC_VERBOSE(ptr, NULL, 0, gfp_mask)
837 #define OBD_PAGE_CPT_ALLOC(ptr, cptab, cpt, gfp_mask) \
838 __OBD_PAGE_ALLOC_VERBOSE(ptr, cptab, cpt, gfp_mask)
840 #define OBD_PAGE_FREE(ptr) \
844 CDEBUG(D_MALLOC, "free_pages '" #ptr "': %d page(s) / "LPU64" bytes " \
846 (int)1, (__u64)(1 << CFS_PAGE_SHIFT), \
848 cfs_free_page(ptr); \
849 (ptr) = (void *)0xdeadbeef; \