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.
28 * Use is subject to license terms.
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 obd_timeout_set;
70 extern unsigned int ldlm_timeout_set;
71 extern unsigned int at_min;
72 extern unsigned int at_max;
73 extern unsigned int at_history;
74 extern int at_early_margin;
76 extern unsigned int obd_sync_filter;
77 extern unsigned int obd_max_dirty_pages;
78 extern cfs_atomic_t obd_dirty_pages;
79 extern cfs_atomic_t obd_dirty_transit_pages;
80 extern unsigned int obd_alloc_fail_rate;
81 extern char obd_jobid_var[];
84 int obd_alloc_fail(const void *ptr, const char *name, const char *type,
85 size_t size, const char *file, int line);
87 /* Some hash init argument constants */
88 #define HASH_POOLS_BKT_BITS 3
89 #define HASH_POOLS_CUR_BITS 3
90 #define HASH_POOLS_MAX_BITS 7
91 #define HASH_UUID_BKT_BITS 5
92 #define HASH_UUID_CUR_BITS 7
93 #define HASH_UUID_MAX_BITS 12
94 #define HASH_NID_BKT_BITS 5
95 #define HASH_NID_CUR_BITS 7
96 #define HASH_NID_MAX_BITS 12
97 #define HASH_NID_STATS_BKT_BITS 5
98 #define HASH_NID_STATS_CUR_BITS 7
99 #define HASH_NID_STATS_MAX_BITS 12
100 #define HASH_LQS_BKT_BITS 5
101 #define HASH_LQS_CUR_BITS 7
102 #define HASH_LQS_MAX_BITS 12
103 #define HASH_CONN_BKT_BITS 5
104 #define HASH_CONN_CUR_BITS 5
105 #define HASH_CONN_MAX_BITS 15
106 #define HASH_EXP_LOCK_BKT_BITS 5
107 #define HASH_EXP_LOCK_CUR_BITS 7
108 #define HASH_EXP_LOCK_MAX_BITS 16
109 #define HASH_CL_ENV_BKT_BITS 5
110 #define HASH_CL_ENV_BITS 10
111 #define HASH_JOB_STATS_BKT_BITS 5
112 #define HASH_JOB_STATS_CUR_BITS 7
113 #define HASH_JOB_STATS_MAX_BITS 12
115 /* Timeout definitions */
116 #define OBD_TIMEOUT_DEFAULT 100
117 #define LDLM_TIMEOUT_DEFAULT 20
118 #define MDS_LDLM_TIMEOUT_DEFAULT 6
119 /* Time to wait for all clients to reconnect during recovery (hard limit) */
120 #define OBD_RECOVERY_TIME_HARD (obd_timeout * 9)
121 /* Time to wait for all clients to reconnect during recovery (soft limit) */
122 /* Should be very conservative; must catch the first reconnect after reboot */
123 #define OBD_RECOVERY_TIME_SOFT (obd_timeout * 3)
124 /* Change recovery-small 26b time if you change this */
125 #define PING_INTERVAL max(obd_timeout / 4, 1U)
126 /* a bit more than maximal journal commit time in seconds */
127 #define PING_INTERVAL_SHORT min(PING_INTERVAL, 7U)
128 /* Client may skip 1 ping; we must wait at least 2.5. But for multiple
129 * failover targets the client only pings one server at a time, and pings
130 * can be lost on a loaded network. Since eviction has serious consequences,
131 * and there's no urgent need to evict a client just because it's idle, we
132 * should be very conservative here. */
133 #define PING_EVICT_TIMEOUT (PING_INTERVAL * 6)
134 #define DISK_TIMEOUT 50 /* Beyond this we warn about disk speed */
135 #define CONNECTION_SWITCH_MIN 5U /* Connection switching rate limiter */
136 /* Max connect interval for nonresponsive servers; ~50s to avoid building up
137 connect requests in the LND queues, but within obd_timeout so we don't
138 miss the recovery window */
139 #define CONNECTION_SWITCH_MAX min(50U, max(CONNECTION_SWITCH_MIN,obd_timeout))
140 #define CONNECTION_SWITCH_INC 5 /* Connection timeout backoff */
141 /* In general this should be low to have quick detection of a system
142 running on a backup server. (If it's too low, import_select_connection
143 will increase the timeout anyhow.) */
144 #define INITIAL_CONNECT_TIMEOUT max(CONNECTION_SWITCH_MIN,obd_timeout/20)
145 /* The max delay between connects is SWITCH_MAX + SWITCH_INC + INITIAL */
146 #define RECONNECT_DELAY_MAX (CONNECTION_SWITCH_MAX + CONNECTION_SWITCH_INC + \
147 INITIAL_CONNECT_TIMEOUT)
148 /* The min time a target should wait for clients to reconnect in recovery */
149 #define OBD_RECOVERY_TIME_MIN (2*RECONNECT_DELAY_MAX)
150 #define OBD_IR_FACTOR_MIN 1
151 #define OBD_IR_FACTOR_MAX 10
152 #define OBD_IR_FACTOR_DEFAULT (OBD_IR_FACTOR_MAX/2)
153 /* default timeout for the MGS to become IR_FULL */
154 #define OBD_IR_MGS_TIMEOUT (4*obd_timeout)
155 #define LONG_UNLINK 300 /* Unlink should happen before now */
158 * Time interval of shrink, if the client is "idle" more than this interval,
159 * then the ll_grant thread will return the requested grant space to filter
161 #define GRANT_SHRINK_INTERVAL 1200/*20 minutes*/
163 #define OBD_FAIL_MDS 0x100
164 #define OBD_FAIL_MDS_HANDLE_UNPACK 0x101
165 #define OBD_FAIL_MDS_GETATTR_NET 0x102
166 #define OBD_FAIL_MDS_GETATTR_PACK 0x103
167 #define OBD_FAIL_MDS_READPAGE_NET 0x104
168 #define OBD_FAIL_MDS_READPAGE_PACK 0x105
169 #define OBD_FAIL_MDS_SENDPAGE 0x106
170 #define OBD_FAIL_MDS_REINT_NET 0x107
171 #define OBD_FAIL_MDS_REINT_UNPACK 0x108
172 #define OBD_FAIL_MDS_REINT_SETATTR 0x109
173 #define OBD_FAIL_MDS_REINT_SETATTR_WRITE 0x10a
174 #define OBD_FAIL_MDS_REINT_CREATE 0x10b
175 #define OBD_FAIL_MDS_REINT_CREATE_WRITE 0x10c
176 #define OBD_FAIL_MDS_REINT_UNLINK 0x10d
177 #define OBD_FAIL_MDS_REINT_UNLINK_WRITE 0x10e
178 #define OBD_FAIL_MDS_REINT_LINK 0x10f
179 #define OBD_FAIL_MDS_REINT_LINK_WRITE 0x110
180 #define OBD_FAIL_MDS_REINT_RENAME 0x111
181 #define OBD_FAIL_MDS_REINT_RENAME_WRITE 0x112
182 #define OBD_FAIL_MDS_OPEN_NET 0x113
183 #define OBD_FAIL_MDS_OPEN_PACK 0x114
184 #define OBD_FAIL_MDS_CLOSE_NET 0x115
185 #define OBD_FAIL_MDS_CLOSE_PACK 0x116
186 #define OBD_FAIL_MDS_CONNECT_NET 0x117
187 #define OBD_FAIL_MDS_CONNECT_PACK 0x118
188 #define OBD_FAIL_MDS_REINT_NET_REP 0x119
189 #define OBD_FAIL_MDS_DISCONNECT_NET 0x11a
190 #define OBD_FAIL_MDS_GETSTATUS_NET 0x11b
191 #define OBD_FAIL_MDS_GETSTATUS_PACK 0x11c
192 #define OBD_FAIL_MDS_STATFS_PACK 0x11d
193 #define OBD_FAIL_MDS_STATFS_NET 0x11e
194 #define OBD_FAIL_MDS_GETATTR_NAME_NET 0x11f
195 #define OBD_FAIL_MDS_PIN_NET 0x120
196 #define OBD_FAIL_MDS_UNPIN_NET 0x121
197 #define OBD_FAIL_MDS_ALL_REPLY_NET 0x122
198 #define OBD_FAIL_MDS_ALL_REQUEST_NET 0x123
199 #define OBD_FAIL_MDS_SYNC_NET 0x124
200 #define OBD_FAIL_MDS_SYNC_PACK 0x125
201 #define OBD_FAIL_MDS_DONE_WRITING_NET 0x126
202 #define OBD_FAIL_MDS_DONE_WRITING_PACK 0x127
203 #define OBD_FAIL_MDS_ALLOC_OBDO 0x128
204 #define OBD_FAIL_MDS_PAUSE_OPEN 0x129
205 #define OBD_FAIL_MDS_STATFS_LCW_SLEEP 0x12a
206 #define OBD_FAIL_MDS_OPEN_CREATE 0x12b
207 #define OBD_FAIL_MDS_OST_SETATTR 0x12c
208 #define OBD_FAIL_MDS_QUOTACHECK_NET 0x12d
209 #define OBD_FAIL_MDS_QUOTACTL_NET 0x12e
210 #define OBD_FAIL_MDS_CLIENT_ADD 0x12f
211 #define OBD_FAIL_MDS_GETXATTR_NET 0x130
212 #define OBD_FAIL_MDS_GETXATTR_PACK 0x131
213 #define OBD_FAIL_MDS_SETXATTR_NET 0x132
214 #define OBD_FAIL_MDS_SETXATTR 0x133
215 #define OBD_FAIL_MDS_SETXATTR_WRITE 0x134
216 #define OBD_FAIL_MDS_FS_SETUP 0x135
217 #define OBD_FAIL_MDS_RESEND 0x136
218 #define OBD_FAIL_MDS_LLOG_CREATE_FAILED 0x137
219 #define OBD_FAIL_MDS_LOV_SYNC_RACE 0x138
220 #define OBD_FAIL_MDS_OSC_PRECREATE 0x139
221 #define OBD_FAIL_MDS_LLOG_SYNC_TIMEOUT 0x13a
222 #define OBD_FAIL_MDS_CLOSE_NET_REP 0x13b
223 #define OBD_FAIL_MDS_BLOCK_QUOTA_REQ 0x13c
224 #define OBD_FAIL_MDS_DROP_QUOTA_REQ 0x13d
225 #define OBD_FAIL_MDS_REMOVE_COMMON_EA 0x13e
226 #define OBD_FAIL_MDS_ALLOW_COMMON_EA_SETTING 0x13f
227 #define OBD_FAIL_MDS_FAIL_LOV_LOG_ADD 0x140
228 #define OBD_FAIL_MDS_LOV_PREP_CREATE 0x141
229 #define OBD_FAIL_MDS_REINT_DELAY 0x142
230 #define OBD_FAIL_MDS_READLINK_EPROTO 0x143
231 #define OBD_FAIL_MDS_OPEN_WAIT_CREATE 0x144
232 #define OBD_FAIL_MDS_PDO_LOCK 0x145
233 #define OBD_FAIL_MDS_PDO_LOCK2 0x146
234 #define OBD_FAIL_MDS_OSC_CREATE_FAIL 0x147
237 #define OBD_FAIL_MDS_IS_SUBDIR_NET 0x180
238 #define OBD_FAIL_MDS_IS_SUBDIR_PACK 0x181
239 #define OBD_FAIL_MDS_SET_INFO_NET 0x182
240 #define OBD_FAIL_MDS_WRITEPAGE_NET 0x183
241 #define OBD_FAIL_MDS_WRITEPAGE_PACK 0x184
242 #define OBD_FAIL_MDS_RECOVERY_ACCEPTS_GAPS 0x185
243 #define OBD_FAIL_MDS_GET_INFO_NET 0x186
244 #define OBD_FAIL_MDS_DQACQ_NET 0x187
247 #define OBD_FAIL_OSD_SCRUB_DELAY 0x190
248 #define OBD_FAIL_OSD_SCRUB_CRASH 0x191
249 #define OBD_FAIL_OSD_SCRUB_FATAL 0x192
251 #define OBD_FAIL_OST 0x200
252 #define OBD_FAIL_OST_CONNECT_NET 0x201
253 #define OBD_FAIL_OST_DISCONNECT_NET 0x202
254 #define OBD_FAIL_OST_GET_INFO_NET 0x203
255 #define OBD_FAIL_OST_CREATE_NET 0x204
256 #define OBD_FAIL_OST_DESTROY_NET 0x205
257 #define OBD_FAIL_OST_GETATTR_NET 0x206
258 #define OBD_FAIL_OST_SETATTR_NET 0x207
259 #define OBD_FAIL_OST_OPEN_NET 0x208
260 #define OBD_FAIL_OST_CLOSE_NET 0x209
261 #define OBD_FAIL_OST_BRW_NET 0x20a
262 #define OBD_FAIL_OST_PUNCH_NET 0x20b
263 #define OBD_FAIL_OST_STATFS_NET 0x20c
264 #define OBD_FAIL_OST_HANDLE_UNPACK 0x20d
265 #define OBD_FAIL_OST_BRW_WRITE_BULK 0x20e
266 #define OBD_FAIL_OST_BRW_READ_BULK 0x20f
267 #define OBD_FAIL_OST_SYNC_NET 0x210
268 #define OBD_FAIL_OST_ALL_REPLY_NET 0x211
269 #define OBD_FAIL_OST_ALL_REQUEST_NET 0x212
270 #define OBD_FAIL_OST_LDLM_REPLY_NET 0x213
271 #define OBD_FAIL_OST_BRW_PAUSE_BULK 0x214
272 #define OBD_FAIL_OST_ENOSPC 0x215
273 #define OBD_FAIL_OST_EROFS 0x216
274 #define OBD_FAIL_OST_ENOENT 0x217
275 #define OBD_FAIL_OST_QUOTACHECK_NET 0x218
276 #define OBD_FAIL_OST_QUOTACTL_NET 0x219
277 #define OBD_FAIL_OST_CHECKSUM_RECEIVE 0x21a
278 #define OBD_FAIL_OST_CHECKSUM_SEND 0x21b
279 #define OBD_FAIL_OST_BRW_SIZE 0x21c
280 #define OBD_FAIL_OST_DROP_REQ 0x21d
281 #define OBD_FAIL_OST_SETATTR_CREDITS 0x21e
282 #define OBD_FAIL_OST_HOLD_WRITE_RPC 0x21f
283 #define OBD_FAIL_OST_BRW_WRITE_BULK2 0x220
284 #define OBD_FAIL_OST_LLOG_RECOVERY_TIMEOUT 0x221
285 #define OBD_FAIL_OST_CANCEL_COOKIE_TIMEOUT 0x222
286 #define OBD_FAIL_OST_PAUSE_CREATE 0x223
287 #define OBD_FAIL_OST_BRW_PAUSE_PACK 0x224
288 #define OBD_FAIL_OST_CONNECT_NET2 0x225
289 #define OBD_FAIL_OST_NOMEM 0x226
290 #define OBD_FAIL_OST_BRW_PAUSE_BULK2 0x227
291 #define OBD_FAIL_OST_MAPBLK_ENOSPC 0x228
292 #define OBD_FAIL_OST_ENOINO 0x229
293 #define OBD_FAIL_OST_DQACQ_NET 0x230
294 #define OBD_FAIL_OST_STATFS_EINPROGRESS 0x231
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
346 #define OBD_FAIL_OSC_DELAY_SETTIME 0x412
348 #define OBD_FAIL_PTLRPC 0x500
349 #define OBD_FAIL_PTLRPC_ACK 0x501
350 #define OBD_FAIL_PTLRPC_RQBD 0x502
351 #define OBD_FAIL_PTLRPC_BULK_GET_NET 0x503
352 #define OBD_FAIL_PTLRPC_BULK_PUT_NET 0x504
353 #define OBD_FAIL_PTLRPC_DROP_RPC 0x505
354 #define OBD_FAIL_PTLRPC_DELAY_SEND 0x506
355 #define OBD_FAIL_PTLRPC_DELAY_RECOV 0x507
356 #define OBD_FAIL_PTLRPC_CLIENT_BULK_CB 0x508
357 #define OBD_FAIL_PTLRPC_PAUSE_REQ 0x50a
358 #define OBD_FAIL_PTLRPC_PAUSE_REP 0x50c
359 #define OBD_FAIL_PTLRPC_IMP_DEACTIVE 0x50d
360 #define OBD_FAIL_PTLRPC_DUMP_LOG 0x50e
361 #define OBD_FAIL_PTLRPC_LONG_REPL_UNLINK 0x50f
362 #define OBD_FAIL_PTLRPC_LONG_BULK_UNLINK 0x510
363 #define OBD_FAIL_PTLRPC_HPREQ_TIMEOUT 0x511
364 #define OBD_FAIL_PTLRPC_HPREQ_NOTIMEOUT 0x512
365 #define OBD_FAIL_PTLRPC_DROP_REQ_OPC 0x513
366 #define OBD_FAIL_PTLRPC_FINISH_REPLAY 0x514
367 #define OBD_FAIL_PTLRPC_CLIENT_BULK_CB2 0x515
368 #define OBD_FAIL_PTLRPC_DELAY_IMP_FULL 0x516
370 #define OBD_FAIL_OBD_PING_NET 0x600
371 #define OBD_FAIL_OBD_LOG_CANCEL_NET 0x601
372 #define OBD_FAIL_OBD_LOGD_NET 0x602
373 #define OBD_FAIL_OBD_QC_CALLBACK_NET 0x603
374 #define OBD_FAIL_OBD_DQACQ 0x604
375 #define OBD_FAIL_OBD_LLOG_SETUP 0x605
376 #define OBD_FAIL_OBD_LOG_CANCEL_REP 0x606
377 #define OBD_FAIL_OBD_IDX_READ_NET 0x607
379 #define OBD_FAIL_TGT_REPLY_NET 0x700
380 #define OBD_FAIL_TGT_CONN_RACE 0x701
381 #define OBD_FAIL_TGT_FORCE_RECONNECT 0x702
382 #define OBD_FAIL_TGT_DELAY_CONNECT 0x703
383 #define OBD_FAIL_TGT_DELAY_RECONNECT 0x704
384 #define OBD_FAIL_TGT_DELAY_PRECREATE 0x705
385 #define OBD_FAIL_TGT_TOOMANY_THREADS 0x706
386 #define OBD_FAIL_TGT_REPLAY_DROP 0x707
387 #define OBD_FAIL_TGT_FAKE_EXP 0x708
388 #define OBD_FAIL_TGT_REPLAY_DELAY 0x709
389 #define OBD_FAIL_TGT_LAST_REPLAY 0x710
390 #define OBD_FAIL_TGT_CLIENT_ADD 0x711
391 #define OBD_FAIL_TGT_RCVG_FLAG 0x712
393 #define OBD_FAIL_MDC_REVALIDATE_PAUSE 0x800
394 #define OBD_FAIL_MDC_ENQUEUE_PAUSE 0x801
395 #define OBD_FAIL_MDC_OLD_EXT_FLAGS 0x802
396 #define OBD_FAIL_MDC_GETATTR_ENQUEUE 0x803
397 #define OBD_FAIL_MDC_RPCS_SEM 0x804
398 #define OBD_FAIL_MDC_LIGHTWEIGHT 0x805
400 #define OBD_FAIL_MGS 0x900
401 #define OBD_FAIL_MGS_ALL_REQUEST_NET 0x901
402 #define OBD_FAIL_MGS_ALL_REPLY_NET 0x902
403 #define OBD_FAIL_MGC_PAUSE_PROCESS_LOG 0x903
404 #define OBD_FAIL_MGS_PAUSE_REQ 0x904
405 #define OBD_FAIL_MGS_PAUSE_TARGET_REG 0x905
407 #define OBD_FAIL_QUOTA_RET_QDATA 0xA02
408 #define OBD_FAIL_QUOTA_DELAY_REL 0xA03
409 #define OBD_FAIL_QUOTA_DELAY_SD 0xA04
411 #define OBD_FAIL_LPROC_REMOVE 0xB00
413 #define OBD_FAIL_GENERAL_ALLOC 0xC00
415 #define OBD_FAIL_SEQ 0x1000
416 #define OBD_FAIL_SEQ_QUERY_NET 0x1001
417 #define OBD_FAIL_SEQ_EXHAUST 0x1002
419 #define OBD_FAIL_FLD 0x1100
420 #define OBD_FAIL_FLD_QUERY_NET 0x1101
422 #define OBD_FAIL_SEC_CTX 0x1200
423 #define OBD_FAIL_SEC_CTX_INIT_NET 0x1201
424 #define OBD_FAIL_SEC_CTX_INIT_CONT_NET 0x1202
425 #define OBD_FAIL_SEC_CTX_FINI_NET 0x1203
426 #define OBD_FAIL_SEC_CTX_HDL_PAUSE 0x1204
428 #define OBD_FAIL_LLOG 0x1300
429 #define OBD_FAIL_LLOG_ORIGIN_CONNECT_NET 0x1301
430 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_CREATE_NET 0x1302
431 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_DESTROY_NET 0x1303
432 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_READ_HEADER_NET 0x1304
433 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_NEXT_BLOCK_NET 0x1305
434 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_PREV_BLOCK_NET 0x1306
435 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_WRITE_REC_NET 0x1307
436 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_CLOSE_NET 0x1308
437 #define OBD_FAIL_LLOG_CATINFO_NET 0x1309
438 #define OBD_FAIL_MDS_SYNC_CAPA_SL 0x1310
439 #define OBD_FAIL_SEQ_ALLOC 0x1311
441 #define OBD_FAIL_LLITE 0x1400
442 #define OBD_FAIL_LLITE_FAULT_TRUNC_RACE 0x1401
443 #define OBD_FAIL_LOCK_STATE_WAIT_INTR 0x1402
444 #define OBD_FAIL_LOV_INIT 0x1403
446 /* Assign references to moved code to reduce code changes */
447 #define OBD_FAIL_PRECHECK(id) CFS_FAIL_PRECHECK(id)
448 #define OBD_FAIL_CHECK(id) CFS_FAIL_CHECK(id)
449 #define OBD_FAIL_CHECK_VALUE(id, value) CFS_FAIL_CHECK_VALUE(id, value)
450 #define OBD_FAIL_CHECK_ORSET(id, value) CFS_FAIL_CHECK_ORSET(id, value)
451 #define OBD_FAIL_CHECK_RESET(id, value) CFS_FAIL_CHECK_RESET(id, value)
452 #define OBD_FAIL_RETURN(id, ret) CFS_FAIL_RETURN(id, ret)
453 #define OBD_FAIL_TIMEOUT(id, secs) CFS_FAIL_TIMEOUT(id, secs)
454 #define OBD_FAIL_TIMEOUT_MS(id, ms) CFS_FAIL_TIMEOUT_MS(id, ms)
455 #define OBD_FAIL_TIMEOUT_ORSET(id, value, secs) CFS_FAIL_TIMEOUT_ORSET(id, value, secs)
456 #define OBD_RACE(id) CFS_RACE(id)
457 #define OBD_FAIL_ONCE CFS_FAIL_ONCE
458 #define OBD_FAILED CFS_FAILED
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_MALLOC_VERBOSE(ptr, cptab, cpt, size, flags) \
559 (ptr) = (cptab) == NULL ? \
560 cfs_alloc(size, flags) : \
561 cfs_cpt_malloc(cptab, cpt, size, flags); \
562 if (unlikely((ptr) == NULL)) { \
563 CERROR("kmalloc of '" #ptr "' (%d bytes) failed at %s:%d\n", \
564 (int)(size), __FILE__, __LINE__); \
566 memset(ptr, 0, size); \
567 CDEBUG(D_MALLOC, "kmalloced '" #ptr "': %d at %p\n", \
572 #else /* this version is for the kernel and liblustre */
573 #define OBD_FREE_RTN0(ptr) \
580 #define __OBD_MALLOC_VERBOSE(ptr, cptab, cpt, size, flags) \
582 (ptr) = (cptab) == NULL ? \
583 cfs_alloc(size, flags) : \
584 cfs_cpt_malloc(cptab, cpt, size, flags); \
585 if (likely((ptr) != NULL && \
586 (!HAS_FAIL_ALLOC_FLAG || obd_alloc_fail_rate == 0 || \
587 !obd_alloc_fail(ptr, #ptr, "km", size, \
588 __FILE__, __LINE__) || \
589 OBD_FREE_RTN0(ptr)))){ \
590 memset(ptr, 0, size); \
591 OBD_ALLOC_POST(ptr, size, "kmalloced"); \
596 #define OBD_ALLOC_GFP(ptr, size, gfp_mask) \
597 __OBD_MALLOC_VERBOSE(ptr, NULL, 0, size, gfp_mask)
599 #define OBD_ALLOC(ptr, size) OBD_ALLOC_GFP(ptr, size, CFS_ALLOC_IO)
600 #define OBD_ALLOC_WAIT(ptr, size) OBD_ALLOC_GFP(ptr, size, CFS_ALLOC_STD)
601 #define OBD_ALLOC_PTR(ptr) OBD_ALLOC(ptr, sizeof *(ptr))
602 #define OBD_ALLOC_PTR_WAIT(ptr) OBD_ALLOC_WAIT(ptr, sizeof *(ptr))
604 #define OBD_CPT_ALLOC_GFP(ptr, cptab, cpt, size, gfp_mask) \
605 __OBD_MALLOC_VERBOSE(ptr, cptab, cpt, size, gfp_mask)
607 #define OBD_CPT_ALLOC(ptr, cptab, cpt, size) \
608 OBD_CPT_ALLOC_GFP(ptr, cptab, cpt, size, CFS_ALLOC_IO)
610 #define OBD_CPT_ALLOC_PTR(ptr, cptab, cpt) \
611 OBD_CPT_ALLOC(ptr, cptab, cpt, sizeof *(ptr))
615 # define OBD_VMALLOC(ptr, size) \
617 # define OBD_CPT_VMALLOC(ptr, cptab, cpt, size) \
618 OBD_CPT_ALLOC(ptr, cptab, cpt, size)
620 #else /* !__arch_um__ */
622 # define __OBD_VMALLOC_VEROBSE(ptr, cptab, cpt, size) \
624 (ptr) = cptab == NULL ? \
625 cfs_alloc_large(size) : \
626 cfs_cpt_vmalloc(cptab, cpt, size); \
627 if (unlikely((ptr) == NULL)) { \
628 CERROR("vmalloc of '" #ptr "' (%d bytes) failed\n", \
630 CERROR(LPU64" total bytes allocated by Lustre, %d by LNET\n", \
631 obd_memory_sum(), cfs_atomic_read(&libcfs_kmemory)); \
633 memset(ptr, 0, size); \
634 OBD_ALLOC_POST(ptr, size, "vmalloced"); \
638 # define OBD_VMALLOC(ptr, size) \
639 __OBD_VMALLOC_VEROBSE(ptr, NULL, 0, size)
640 # define OBD_CPT_VMALLOC(ptr, cptab, cpt, size) \
641 __OBD_VMALLOC_VEROBSE(ptr, cptab, cpt, size)
647 /* Allocations above this size are considered too big and could not be done
650 * Be very careful when changing this value, especially when decreasing it,
651 * since vmalloc in Linux doesn't perform well on multi-cores system, calling
652 * vmalloc in critical path would hurt peformance badly. See LU-66.
654 #define OBD_ALLOC_BIG (4 * CFS_PAGE_SIZE)
656 #define OBD_ALLOC_LARGE(ptr, size) \
658 if (size > OBD_ALLOC_BIG) \
659 OBD_VMALLOC(ptr, size); \
661 OBD_ALLOC(ptr, size); \
664 #define OBD_CPT_ALLOC_LARGE(ptr, cptab, cpt, size) \
666 if (size > OBD_ALLOC_BIG) \
667 OBD_CPT_VMALLOC(ptr, cptab, cpt, size); \
669 OBD_CPT_ALLOC(ptr, cptab, cpt, size); \
672 #define OBD_FREE_LARGE(ptr, size) \
674 if (size > OBD_ALLOC_BIG) \
675 OBD_VFREE(ptr, size); \
677 OBD_FREE(ptr, size); \
680 #else /* !__KERNEL__ */
682 #define OBD_ALLOC_LARGE(ptr, size) \
684 #define OBD_CPT_ALLOC_LARGE(ptr, cptab, cpt, size) \
686 #define OBD_FREE_LARGE(ptr, size) \
689 #endif /* __KERNEL__ */
691 #ifdef CONFIG_DEBUG_SLAB
692 #define POISON(ptr, c, s) do {} while (0)
693 #define POISON_PTR(ptr) ((void)0)
695 #define POISON(ptr, c, s) memset(ptr, c, s)
696 #define POISON_PTR(ptr) (ptr) = (void *)0xdeadbeef
700 #define POISON_PAGE(page, val) do { memset(kmap(page), val, CFS_PAGE_SIZE); \
701 kunmap(page); } while (0)
703 #define POISON_PAGE(page, val) do { } while (0)
707 #define OBD_FREE(ptr, size) \
709 OBD_FREE_PRE(ptr, size, "kfreed"); \
715 #define OBD_FREE_RCU(ptr, size, handle) \
717 struct portals_handle *__h = (handle); \
719 LASSERT(handle != NULL); \
720 __h->h_cookie = (unsigned long)(ptr); \
721 __h->h_size = (size); \
722 call_rcu(&__h->h_rcu, class_handle_free_cb); \
727 #define OBD_FREE(ptr, size) ((void)(size), free((ptr)))
728 #define OBD_FREE_RCU(ptr, size, handle) (OBD_FREE(ptr, size))
729 #endif /* ifdef __KERNEL__ */
732 # define OBD_VFREE(ptr, size) OBD_FREE(ptr, size)
734 # define OBD_VFREE(ptr, size) \
736 OBD_FREE_PRE(ptr, size, "vfreed"); \
737 cfs_free_large(ptr); \
742 /* we memset() the slab object to 0 when allocation succeeds, so DO NOT
743 * HAVE A CTOR THAT DOES ANYTHING. its work will be cleared here. we'd
744 * love to assert on that, but slab.c keeps kmem_cache_s all to itself. */
745 #define OBD_SLAB_FREE_RTN0(ptr, slab) \
747 cfs_mem_cache_free((slab), (ptr)); \
752 #define __OBD_SLAB_ALLOC_VERBOSE(ptr, slab, cptab, cpt, size, type) \
754 LASSERT(ergo(type != CFS_ALLOC_ATOMIC, !cfs_in_interrupt())); \
755 (ptr) = (cptab) == NULL ? \
756 cfs_mem_cache_alloc(slab, type) : \
757 cfs_mem_cache_cpt_alloc(slab, cptab, cpt, type); \
758 if (likely((ptr) != NULL && \
759 (!HAS_FAIL_ALLOC_FLAG || obd_alloc_fail_rate == 0 || \
760 !obd_alloc_fail(ptr, #ptr, "slab-", size, \
761 __FILE__, __LINE__) || \
762 OBD_SLAB_FREE_RTN0(ptr, slab)))) { \
763 memset(ptr, 0, size); \
764 OBD_ALLOC_POST(ptr, size, "slab-alloced"); \
768 #define OBD_SLAB_ALLOC_GFP(ptr, slab, size, flags) \
769 __OBD_SLAB_ALLOC_VERBOSE(ptr, slab, NULL, 0, size, flags)
770 #define OBD_SLAB_CPT_ALLOC_GFP(ptr, slab, cptab, cpt, size, flags) \
771 __OBD_SLAB_ALLOC_VERBOSE(ptr, slab, cptab, cpt, size, flags)
773 #define OBD_FREE_PTR(ptr) OBD_FREE(ptr, sizeof *(ptr))
775 #define OBD_SLAB_FREE(ptr, slab, size) \
777 OBD_FREE_PRE(ptr, size, "slab-freed"); \
778 cfs_mem_cache_free(slab, ptr); \
782 #define OBD_SLAB_ALLOC(ptr, slab, size) \
783 OBD_SLAB_ALLOC_GFP(ptr, slab, size, CFS_ALLOC_IO)
785 #define OBD_SLAB_CPT_ALLOC(ptr, slab, cptab, cpt, size) \
786 OBD_SLAB_CPT_ALLOC_GFP(ptr, slab, cptab, cpt, size, CFS_ALLOC_IO)
788 #define OBD_SLAB_ALLOC_PTR(ptr, slab) \
789 OBD_SLAB_ALLOC(ptr, slab, sizeof *(ptr))
791 #define OBD_SLAB_CPT_ALLOC_PTR(ptr, slab, cptab, cpt) \
792 OBD_SLAB_CPT_ALLOC(ptr, slab, cptab, cpt, sizeof *(ptr))
794 #define OBD_SLAB_ALLOC_PTR_GFP(ptr, slab, flags) \
795 OBD_SLAB_ALLOC_GFP(ptr, slab, sizeof *(ptr), flags)
797 #define OBD_SLAB_CPT_ALLOC_PTR_GFP(ptr, slab, ctab, cpt, flags) \
798 OBD_SLAB_CPT_ALLOC_GFP(ptr, slab, cptab, cpt, sizeof *(ptr), flags)
800 #define OBD_SLAB_FREE_PTR(ptr, slab) \
801 OBD_SLAB_FREE((ptr), (slab), sizeof *(ptr))
803 #define KEY_IS(str) \
804 (keylen >= (sizeof(str)-1) && memcmp(key, str, (sizeof(str)-1)) == 0)
806 /* Wrapper for contiguous page frame allocation */
807 #define __OBD_PAGE_ALLOC_VERBOSE(ptr, cptab, cpt, gfp_mask) \
809 (ptr) = (cptab) == NULL ? \
810 cfs_alloc_page(gfp_mask) : \
811 cfs_page_cpt_alloc(cptab, cpt, gfp_mask); \
812 if (unlikely((ptr) == NULL)) { \
813 CERROR("alloc_pages of '" #ptr "' %d page(s) / "LPU64" bytes "\
814 "failed\n", (int)1, \
815 (__u64)(1 << CFS_PAGE_SHIFT)); \
816 CERROR(LPU64" total bytes and "LPU64" total pages " \
817 "("LPU64" bytes) allocated by Lustre, " \
818 "%d total bytes by LNET\n", \
820 obd_pages_sum() << CFS_PAGE_SHIFT, \
822 cfs_atomic_read(&libcfs_kmemory)); \
825 CDEBUG(D_MALLOC, "alloc_pages '" #ptr "': %d page(s) / " \
826 LPU64" bytes at %p.\n", \
828 (__u64)(1 << CFS_PAGE_SHIFT), ptr); \
832 #define OBD_PAGE_ALLOC(ptr, gfp_mask) \
833 __OBD_PAGE_ALLOC_VERBOSE(ptr, NULL, 0, gfp_mask)
834 #define OBD_PAGE_CPT_ALLOC(ptr, cptab, cpt, gfp_mask) \
835 __OBD_PAGE_ALLOC_VERBOSE(ptr, cptab, cpt, gfp_mask)
837 #define OBD_PAGE_FREE(ptr) \
841 CDEBUG(D_MALLOC, "free_pages '" #ptr "': %d page(s) / "LPU64" bytes " \
843 (int)1, (__u64)(1 << CFS_PAGE_SHIFT), \
845 cfs_free_page(ptr); \
846 (ptr) = (void *)0xdeadbeef; \