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 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 */
139 /* In general this should be low to have quick detection of a system
140 running on a backup server. (If it's too low, import_select_connection
141 will increase the timeout anyhow.) */
142 #define INITIAL_CONNECT_TIMEOUT max(CONNECTION_SWITCH_MIN,obd_timeout/20)
143 /* The max delay between connects is SWITCH_MAX + SWITCH_INC + INITIAL */
144 #define RECONNECT_DELAY_MAX (CONNECTION_SWITCH_MAX + CONNECTION_SWITCH_INC + \
145 INITIAL_CONNECT_TIMEOUT)
146 /* The min time a target should wait for clients to reconnect in recovery */
147 #define OBD_RECOVERY_TIME_MIN (2*RECONNECT_DELAY_MAX)
148 #define OBD_IR_FACTOR_MIN 1
149 #define OBD_IR_FACTOR_MAX 10
150 #define OBD_IR_FACTOR_DEFAULT (OBD_IR_FACTOR_MAX/2)
151 /* default timeout for the MGS to become IR_FULL */
152 #define OBD_IR_MGS_TIMEOUT (4*obd_timeout)
153 #define LONG_UNLINK 300 /* Unlink should happen before now */
156 * Time interval of shrink, if the client is "idle" more than this interval,
157 * then the ll_grant thread will return the requested grant space to filter
159 #define GRANT_SHRINK_INTERVAL 1200/*20 minutes*/
161 #define OBD_FAIL_MDS 0x100
162 #define OBD_FAIL_MDS_HANDLE_UNPACK 0x101
163 #define OBD_FAIL_MDS_GETATTR_NET 0x102
164 #define OBD_FAIL_MDS_GETATTR_PACK 0x103
165 #define OBD_FAIL_MDS_READPAGE_NET 0x104
166 #define OBD_FAIL_MDS_READPAGE_PACK 0x105
167 #define OBD_FAIL_MDS_SENDPAGE 0x106
168 #define OBD_FAIL_MDS_REINT_NET 0x107
169 #define OBD_FAIL_MDS_REINT_UNPACK 0x108
170 #define OBD_FAIL_MDS_REINT_SETATTR 0x109
171 #define OBD_FAIL_MDS_REINT_SETATTR_WRITE 0x10a
172 #define OBD_FAIL_MDS_REINT_CREATE 0x10b
173 #define OBD_FAIL_MDS_REINT_CREATE_WRITE 0x10c
174 #define OBD_FAIL_MDS_REINT_UNLINK 0x10d
175 #define OBD_FAIL_MDS_REINT_UNLINK_WRITE 0x10e
176 #define OBD_FAIL_MDS_REINT_LINK 0x10f
177 #define OBD_FAIL_MDS_REINT_LINK_WRITE 0x110
178 #define OBD_FAIL_MDS_REINT_RENAME 0x111
179 #define OBD_FAIL_MDS_REINT_RENAME_WRITE 0x112
180 #define OBD_FAIL_MDS_OPEN_NET 0x113
181 #define OBD_FAIL_MDS_OPEN_PACK 0x114
182 #define OBD_FAIL_MDS_CLOSE_NET 0x115
183 #define OBD_FAIL_MDS_CLOSE_PACK 0x116
184 #define OBD_FAIL_MDS_CONNECT_NET 0x117
185 #define OBD_FAIL_MDS_CONNECT_PACK 0x118
186 #define OBD_FAIL_MDS_REINT_NET_REP 0x119
187 #define OBD_FAIL_MDS_DISCONNECT_NET 0x11a
188 #define OBD_FAIL_MDS_GETSTATUS_NET 0x11b
189 #define OBD_FAIL_MDS_GETSTATUS_PACK 0x11c
190 #define OBD_FAIL_MDS_STATFS_PACK 0x11d
191 #define OBD_FAIL_MDS_STATFS_NET 0x11e
192 #define OBD_FAIL_MDS_GETATTR_NAME_NET 0x11f
193 #define OBD_FAIL_MDS_PIN_NET 0x120
194 #define OBD_FAIL_MDS_UNPIN_NET 0x121
195 #define OBD_FAIL_MDS_ALL_REPLY_NET 0x122
196 #define OBD_FAIL_MDS_ALL_REQUEST_NET 0x123
197 #define OBD_FAIL_MDS_SYNC_NET 0x124
198 #define OBD_FAIL_MDS_SYNC_PACK 0x125
199 #define OBD_FAIL_MDS_DONE_WRITING_NET 0x126
200 #define OBD_FAIL_MDS_DONE_WRITING_PACK 0x127
201 #define OBD_FAIL_MDS_ALLOC_OBDO 0x128
202 #define OBD_FAIL_MDS_PAUSE_OPEN 0x129
203 #define OBD_FAIL_MDS_STATFS_LCW_SLEEP 0x12a
204 #define OBD_FAIL_MDS_OPEN_CREATE 0x12b
205 #define OBD_FAIL_MDS_OST_SETATTR 0x12c
206 #define OBD_FAIL_MDS_QUOTACHECK_NET 0x12d
207 #define OBD_FAIL_MDS_QUOTACTL_NET 0x12e
208 #define OBD_FAIL_MDS_CLIENT_ADD 0x12f
209 #define OBD_FAIL_MDS_GETXATTR_NET 0x130
210 #define OBD_FAIL_MDS_GETXATTR_PACK 0x131
211 #define OBD_FAIL_MDS_SETXATTR_NET 0x132
212 #define OBD_FAIL_MDS_SETXATTR 0x133
213 #define OBD_FAIL_MDS_SETXATTR_WRITE 0x134
214 #define OBD_FAIL_MDS_FS_SETUP 0x135
215 #define OBD_FAIL_MDS_RESEND 0x136
216 #define OBD_FAIL_MDS_LLOG_CREATE_FAILED 0x137
217 #define OBD_FAIL_MDS_LOV_SYNC_RACE 0x138
218 #define OBD_FAIL_MDS_OSC_PRECREATE 0x139
219 #define OBD_FAIL_MDS_LLOG_SYNC_TIMEOUT 0x13a
220 #define OBD_FAIL_MDS_CLOSE_NET_REP 0x13b
221 #define OBD_FAIL_MDS_BLOCK_QUOTA_REQ 0x13c
222 #define OBD_FAIL_MDS_DROP_QUOTA_REQ 0x13d
223 #define OBD_FAIL_MDS_REMOVE_COMMON_EA 0x13e
224 #define OBD_FAIL_MDS_ALLOW_COMMON_EA_SETTING 0x13f
225 #define OBD_FAIL_MDS_FAIL_LOV_LOG_ADD 0x140
226 #define OBD_FAIL_MDS_LOV_PREP_CREATE 0x141
227 #define OBD_FAIL_MDS_REINT_DELAY 0x142
228 #define OBD_FAIL_MDS_READLINK_EPROTO 0x143
229 #define OBD_FAIL_MDS_OPEN_WAIT_CREATE 0x144
230 #define OBD_FAIL_MDS_PDO_LOCK 0x145
231 #define OBD_FAIL_MDS_PDO_LOCK2 0x146
232 #define OBD_FAIL_MDS_OSC_CREATE_FAIL 0x147
235 #define OBD_FAIL_MDS_IS_SUBDIR_NET 0x180
236 #define OBD_FAIL_MDS_IS_SUBDIR_PACK 0x181
237 #define OBD_FAIL_MDS_SET_INFO_NET 0x182
238 #define OBD_FAIL_MDS_WRITEPAGE_NET 0x183
239 #define OBD_FAIL_MDS_WRITEPAGE_PACK 0x184
240 #define OBD_FAIL_MDS_RECOVERY_ACCEPTS_GAPS 0x185
241 #define OBD_FAIL_MDS_GET_INFO_NET 0x186
242 #define OBD_FAIL_MDS_DQACQ_NET 0x187
245 #define OBD_FAIL_OSD_SCRUB_DELAY 0x190
246 #define OBD_FAIL_OSD_SCRUB_CRASH 0x191
247 #define OBD_FAIL_OSD_SCRUB_FATAL 0x192
249 #define OBD_FAIL_OST 0x200
250 #define OBD_FAIL_OST_CONNECT_NET 0x201
251 #define OBD_FAIL_OST_DISCONNECT_NET 0x202
252 #define OBD_FAIL_OST_GET_INFO_NET 0x203
253 #define OBD_FAIL_OST_CREATE_NET 0x204
254 #define OBD_FAIL_OST_DESTROY_NET 0x205
255 #define OBD_FAIL_OST_GETATTR_NET 0x206
256 #define OBD_FAIL_OST_SETATTR_NET 0x207
257 #define OBD_FAIL_OST_OPEN_NET 0x208
258 #define OBD_FAIL_OST_CLOSE_NET 0x209
259 #define OBD_FAIL_OST_BRW_NET 0x20a
260 #define OBD_FAIL_OST_PUNCH_NET 0x20b
261 #define OBD_FAIL_OST_STATFS_NET 0x20c
262 #define OBD_FAIL_OST_HANDLE_UNPACK 0x20d
263 #define OBD_FAIL_OST_BRW_WRITE_BULK 0x20e
264 #define OBD_FAIL_OST_BRW_READ_BULK 0x20f
265 #define OBD_FAIL_OST_SYNC_NET 0x210
266 #define OBD_FAIL_OST_ALL_REPLY_NET 0x211
267 #define OBD_FAIL_OST_ALL_REQUEST_NET 0x212
268 #define OBD_FAIL_OST_LDLM_REPLY_NET 0x213
269 #define OBD_FAIL_OST_BRW_PAUSE_BULK 0x214
270 #define OBD_FAIL_OST_ENOSPC 0x215
271 #define OBD_FAIL_OST_EROFS 0x216
272 #define OBD_FAIL_OST_ENOENT 0x217
273 #define OBD_FAIL_OST_QUOTACHECK_NET 0x218
274 #define OBD_FAIL_OST_QUOTACTL_NET 0x219
275 #define OBD_FAIL_OST_CHECKSUM_RECEIVE 0x21a
276 #define OBD_FAIL_OST_CHECKSUM_SEND 0x21b
277 #define OBD_FAIL_OST_BRW_SIZE 0x21c
278 #define OBD_FAIL_OST_DROP_REQ 0x21d
279 #define OBD_FAIL_OST_SETATTR_CREDITS 0x21e
280 #define OBD_FAIL_OST_HOLD_WRITE_RPC 0x21f
281 #define OBD_FAIL_OST_BRW_WRITE_BULK2 0x220
282 #define OBD_FAIL_OST_LLOG_RECOVERY_TIMEOUT 0x221
283 #define OBD_FAIL_OST_CANCEL_COOKIE_TIMEOUT 0x222
284 #define OBD_FAIL_OST_PAUSE_CREATE 0x223
285 #define OBD_FAIL_OST_BRW_PAUSE_PACK 0x224
286 #define OBD_FAIL_OST_CONNECT_NET2 0x225
287 #define OBD_FAIL_OST_NOMEM 0x226
288 #define OBD_FAIL_OST_BRW_PAUSE_BULK2 0x227
289 #define OBD_FAIL_OST_MAPBLK_ENOSPC 0x228
290 #define OBD_FAIL_OST_ENOINO 0x229
291 #define OBD_FAIL_OST_DQACQ_NET 0x230
293 #define OBD_FAIL_LDLM 0x300
294 #define OBD_FAIL_LDLM_NAMESPACE_NEW 0x301
295 #define OBD_FAIL_LDLM_ENQUEUE 0x302
296 #define OBD_FAIL_LDLM_CONVERT 0x303
297 #define OBD_FAIL_LDLM_CANCEL 0x304
298 #define OBD_FAIL_LDLM_BL_CALLBACK 0x305
299 #define OBD_FAIL_LDLM_CP_CALLBACK 0x306
300 #define OBD_FAIL_LDLM_GL_CALLBACK 0x307
301 #define OBD_FAIL_LDLM_ENQUEUE_EXTENT_ERR 0x308
302 #define OBD_FAIL_LDLM_ENQUEUE_INTENT_ERR 0x309
303 #define OBD_FAIL_LDLM_CREATE_RESOURCE 0x30a
304 #define OBD_FAIL_LDLM_ENQUEUE_BLOCKED 0x30b
305 #define OBD_FAIL_LDLM_REPLY 0x30c
306 #define OBD_FAIL_LDLM_RECOV_CLIENTS 0x30d
307 #define OBD_FAIL_LDLM_ENQUEUE_OLD_EXPORT 0x30e
308 #define OBD_FAIL_LDLM_GLIMPSE 0x30f
309 #define OBD_FAIL_LDLM_CANCEL_RACE 0x310
310 #define OBD_FAIL_LDLM_CANCEL_EVICT_RACE 0x311
311 #define OBD_FAIL_LDLM_PAUSE_CANCEL 0x312
312 #define OBD_FAIL_LDLM_CLOSE_THREAD 0x313
313 #define OBD_FAIL_LDLM_CANCEL_BL_CB_RACE 0x314
314 #define OBD_FAIL_LDLM_CP_CB_WAIT 0x315
315 #define OBD_FAIL_LDLM_OST_FAIL_RACE 0x316
316 #define OBD_FAIL_LDLM_INTR_CP_AST 0x317
317 #define OBD_FAIL_LDLM_CP_BL_RACE 0x318
318 #define OBD_FAIL_LDLM_NEW_LOCK 0x319
319 #define OBD_FAIL_LDLM_AGL_DELAY 0x31a
320 #define OBD_FAIL_LDLM_AGL_NOLOCK 0x31b
323 #define OBD_FAIL_LDLM_SET_CONTENTION 0x385
325 #define OBD_FAIL_OSC 0x400
326 #define OBD_FAIL_OSC_BRW_READ_BULK 0x401
327 #define OBD_FAIL_OSC_BRW_WRITE_BULK 0x402
328 #define OBD_FAIL_OSC_LOCK_BL_AST 0x403
329 #define OBD_FAIL_OSC_LOCK_CP_AST 0x404
330 #define OBD_FAIL_OSC_MATCH 0x405
331 #define OBD_FAIL_OSC_BRW_PREP_REQ 0x406
332 #define OBD_FAIL_OSC_SHUTDOWN 0x407
333 #define OBD_FAIL_OSC_CHECKSUM_RECEIVE 0x408
334 #define OBD_FAIL_OSC_CHECKSUM_SEND 0x409
335 #define OBD_FAIL_OSC_BRW_PREP_REQ2 0x40a
336 #define OBD_FAIL_OSC_CONNECT_CKSUM 0x40b
337 #define OBD_FAIL_OSC_CKSUM_ADLER_ONLY 0x40c
338 #define OBD_FAIL_OSC_DIO_PAUSE 0x40d
339 #define OBD_FAIL_OSC_OBJECT_CONTENTION 0x40e
340 #define OBD_FAIL_OSC_CP_CANCEL_RACE 0x40f
341 #define OBD_FAIL_OSC_CP_ENQ_RACE 0x410
342 #define OBD_FAIL_OSC_NO_GRANT 0x411
343 #define OBD_FAIL_OSC_DELAY_SETTIME 0x412
345 #define OBD_FAIL_PTLRPC 0x500
346 #define OBD_FAIL_PTLRPC_ACK 0x501
347 #define OBD_FAIL_PTLRPC_RQBD 0x502
348 #define OBD_FAIL_PTLRPC_BULK_GET_NET 0x503
349 #define OBD_FAIL_PTLRPC_BULK_PUT_NET 0x504
350 #define OBD_FAIL_PTLRPC_DROP_RPC 0x505
351 #define OBD_FAIL_PTLRPC_DELAY_SEND 0x506
352 #define OBD_FAIL_PTLRPC_DELAY_RECOV 0x507
353 #define OBD_FAIL_PTLRPC_CLIENT_BULK_CB 0x508
354 #define OBD_FAIL_PTLRPC_PAUSE_REQ 0x50a
355 #define OBD_FAIL_PTLRPC_PAUSE_REP 0x50c
356 #define OBD_FAIL_PTLRPC_IMP_DEACTIVE 0x50d
357 #define OBD_FAIL_PTLRPC_DUMP_LOG 0x50e
358 #define OBD_FAIL_PTLRPC_LONG_REPL_UNLINK 0x50f
359 #define OBD_FAIL_PTLRPC_LONG_BULK_UNLINK 0x510
360 #define OBD_FAIL_PTLRPC_HPREQ_TIMEOUT 0x511
361 #define OBD_FAIL_PTLRPC_HPREQ_NOTIMEOUT 0x512
362 #define OBD_FAIL_PTLRPC_DROP_REQ_OPC 0x513
363 #define OBD_FAIL_PTLRPC_FINISH_REPLAY 0x514
364 #define OBD_FAIL_PTLRPC_CLIENT_BULK_CB2 0x515
366 #define OBD_FAIL_OBD_PING_NET 0x600
367 #define OBD_FAIL_OBD_LOG_CANCEL_NET 0x601
368 #define OBD_FAIL_OBD_LOGD_NET 0x602
369 #define OBD_FAIL_OBD_QC_CALLBACK_NET 0x603
370 #define OBD_FAIL_OBD_DQACQ 0x604
371 #define OBD_FAIL_OBD_LLOG_SETUP 0x605
372 #define OBD_FAIL_OBD_LOG_CANCEL_REP 0x606
374 #define OBD_FAIL_TGT_REPLY_NET 0x700
375 #define OBD_FAIL_TGT_CONN_RACE 0x701
376 #define OBD_FAIL_TGT_FORCE_RECONNECT 0x702
377 #define OBD_FAIL_TGT_DELAY_CONNECT 0x703
378 #define OBD_FAIL_TGT_DELAY_RECONNECT 0x704
379 #define OBD_FAIL_TGT_DELAY_PRECREATE 0x705
380 #define OBD_FAIL_TGT_TOOMANY_THREADS 0x706
381 #define OBD_FAIL_TGT_REPLAY_DROP 0x707
382 #define OBD_FAIL_TGT_FAKE_EXP 0x708
383 #define OBD_FAIL_TGT_REPLAY_DELAY 0x709
384 #define OBD_FAIL_TGT_LAST_REPLAY 0x710
385 #define OBD_FAIL_TGT_CLIENT_ADD 0x711
386 #define OBD_FAIL_TGT_RCVG_FLAG 0x712
388 #define OBD_FAIL_MDC_REVALIDATE_PAUSE 0x800
389 #define OBD_FAIL_MDC_ENQUEUE_PAUSE 0x801
390 #define OBD_FAIL_MDC_OLD_EXT_FLAGS 0x802
391 #define OBD_FAIL_MDC_GETATTR_ENQUEUE 0x803
392 #define OBD_FAIL_MDC_RPCS_SEM 0x804
394 #define OBD_FAIL_MGS 0x900
395 #define OBD_FAIL_MGS_ALL_REQUEST_NET 0x901
396 #define OBD_FAIL_MGS_ALL_REPLY_NET 0x902
397 #define OBD_FAIL_MGC_PAUSE_PROCESS_LOG 0x903
398 #define OBD_FAIL_MGS_PAUSE_REQ 0x904
399 #define OBD_FAIL_MGS_PAUSE_TARGET_REG 0x905
401 #define OBD_FAIL_QUOTA_RET_QDATA 0xA02
402 #define OBD_FAIL_QUOTA_DELAY_REL 0xA03
403 #define OBD_FAIL_QUOTA_DELAY_SD 0xA04
405 #define OBD_FAIL_LPROC_REMOVE 0xB00
407 #define OBD_FAIL_GENERAL_ALLOC 0xC00
409 #define OBD_FAIL_SEQ 0x1000
410 #define OBD_FAIL_SEQ_QUERY_NET 0x1001
412 #define OBD_FAIL_FLD 0x1100
413 #define OBD_FAIL_FLD_QUERY_NET 0x1101
415 #define OBD_FAIL_SEC_CTX 0x1200
416 #define OBD_FAIL_SEC_CTX_INIT_NET 0x1201
417 #define OBD_FAIL_SEC_CTX_INIT_CONT_NET 0x1202
418 #define OBD_FAIL_SEC_CTX_FINI_NET 0x1203
419 #define OBD_FAIL_SEC_CTX_HDL_PAUSE 0x1204
421 #define OBD_FAIL_LLOG 0x1300
422 #define OBD_FAIL_LLOG_ORIGIN_CONNECT_NET 0x1301
423 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_CREATE_NET 0x1302
424 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_DESTROY_NET 0x1303
425 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_READ_HEADER_NET 0x1304
426 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_NEXT_BLOCK_NET 0x1305
427 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_PREV_BLOCK_NET 0x1306
428 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_WRITE_REC_NET 0x1307
429 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_CLOSE_NET 0x1308
430 #define OBD_FAIL_LLOG_CATINFO_NET 0x1309
431 #define OBD_FAIL_MDS_SYNC_CAPA_SL 0x1310
432 #define OBD_FAIL_SEQ_ALLOC 0x1311
434 #define OBD_FAIL_LLITE 0x1400
435 #define OBD_FAIL_LLITE_FAULT_TRUNC_RACE 0x1401
436 #define OBD_FAIL_LOCK_STATE_WAIT_INTR 0x1402
438 /* Assign references to moved code to reduce code changes */
439 #define OBD_FAIL_PRECHECK(id) CFS_FAIL_PRECHECK(id)
440 #define OBD_FAIL_CHECK(id) CFS_FAIL_CHECK(id)
441 #define OBD_FAIL_CHECK_VALUE(id, value) CFS_FAIL_CHECK_VALUE(id, value)
442 #define OBD_FAIL_CHECK_ORSET(id, value) CFS_FAIL_CHECK_ORSET(id, value)
443 #define OBD_FAIL_CHECK_RESET(id, value) CFS_FAIL_CHECK_RESET(id, value)
444 #define OBD_FAIL_RETURN(id, ret) CFS_FAIL_RETURN(id, ret)
445 #define OBD_FAIL_TIMEOUT(id, secs) CFS_FAIL_TIMEOUT(id, secs)
446 #define OBD_FAIL_TIMEOUT_MS(id, ms) CFS_FAIL_TIMEOUT_MS(id, ms)
447 #define OBD_FAIL_TIMEOUT_ORSET(id, value, secs) CFS_FAIL_TIMEOUT_ORSET(id, value, secs)
448 #define OBD_RACE(id) CFS_RACE(id)
449 #define OBD_FAIL_ONCE CFS_FAIL_ONCE
450 #define OBD_FAILED CFS_FAILED
452 extern cfs_atomic_t libcfs_kmemory;
455 #define obd_memory_add(size) \
456 lprocfs_counter_add(obd_memory, OBD_MEMORY_STAT, (long)(size))
457 #define obd_memory_sub(size) \
458 lprocfs_counter_sub(obd_memory, OBD_MEMORY_STAT, (long)(size))
459 #define obd_memory_sum() \
460 lprocfs_stats_collector(obd_memory, OBD_MEMORY_STAT, \
461 LPROCFS_FIELDS_FLAGS_SUM)
462 #define obd_pages_add(order) \
463 lprocfs_counter_add(obd_memory, OBD_MEMORY_PAGES_STAT, \
464 (long)(1 << (order)))
465 #define obd_pages_sub(order) \
466 lprocfs_counter_sub(obd_memory, OBD_MEMORY_PAGES_STAT, \
467 (long)(1 << (order)))
468 #define obd_pages_sum() \
469 lprocfs_stats_collector(obd_memory, OBD_MEMORY_PAGES_STAT, \
470 LPROCFS_FIELDS_FLAGS_SUM)
472 extern void obd_update_maxusage(void);
473 extern __u64 obd_memory_max(void);
474 extern __u64 obd_pages_max(void);
478 extern __u64 obd_alloc;
479 extern __u64 obd_pages;
481 extern __u64 obd_max_alloc;
482 extern __u64 obd_max_pages;
484 static inline void obd_memory_add(long size)
487 if (obd_alloc > obd_max_alloc)
488 obd_max_alloc = obd_alloc;
491 static inline void obd_memory_sub(long size)
496 static inline void obd_pages_add(int order)
498 obd_pages += 1<< order;
499 if (obd_pages > obd_max_pages)
500 obd_max_pages = obd_pages;
503 static inline void obd_pages_sub(int order)
505 obd_pages -= 1<< order;
508 #define obd_memory_sum() (obd_alloc)
509 #define obd_pages_sum() (obd_pages)
511 #define obd_memory_max() (obd_max_alloc)
512 #define obd_pages_max() (obd_max_pages)
516 #define OBD_DEBUG_MEMUSAGE (1)
518 #if OBD_DEBUG_MEMUSAGE
519 #define OBD_ALLOC_POST(ptr, size, name) \
520 obd_memory_add(size); \
521 CDEBUG(D_MALLOC, name " '" #ptr "': %d at %p.\n", \
524 #define OBD_FREE_PRE(ptr, size, name) \
526 obd_memory_sub(size); \
527 CDEBUG(D_MALLOC, name " '" #ptr "': %d at %p.\n", \
529 POISON(ptr, 0x5a, size)
531 #else /* !OBD_DEBUG_MEMUSAGE */
533 #define OBD_ALLOC_POST(ptr, size, name) ((void)0)
534 #define OBD_FREE_PRE(ptr, size, name) ((void)0)
536 #endif /* !OBD_DEBUG_MEMUSAGE */
538 #ifdef RANDOM_FAIL_ALLOC
539 #define HAS_FAIL_ALLOC_FLAG OBD_FAIL_CHECK(OBD_FAIL_GENERAL_ALLOC)
541 #define HAS_FAIL_ALLOC_FLAG 0
544 #define OBD_ALLOC_FAIL_BITS 24
545 #define OBD_ALLOC_FAIL_MASK ((1 << OBD_ALLOC_FAIL_BITS) - 1)
546 #define OBD_ALLOC_FAIL_MULT (OBD_ALLOC_FAIL_MASK / 100)
548 #if defined(LUSTRE_UTILS) /* this version is for utils only */
549 #define __OBD_MALLOC_VERBOSE(ptr, cptab, cpt, size, flags) \
551 (ptr) = (cptab) == NULL ? \
552 cfs_alloc(size, flags) : \
553 cfs_cpt_malloc(cptab, cpt, size, flags); \
554 if (unlikely((ptr) == NULL)) { \
555 CERROR("kmalloc of '" #ptr "' (%d bytes) failed at %s:%d\n", \
556 (int)(size), __FILE__, __LINE__); \
558 memset(ptr, 0, size); \
559 CDEBUG(D_MALLOC, "kmalloced '" #ptr "': %d at %p\n", \
564 #else /* this version is for the kernel and liblustre */
565 #define OBD_FREE_RTN0(ptr) \
572 #define __OBD_MALLOC_VERBOSE(ptr, cptab, cpt, size, flags) \
574 (ptr) = (cptab) == NULL ? \
575 cfs_alloc(size, flags) : \
576 cfs_cpt_malloc(cptab, cpt, size, flags); \
577 if (likely((ptr) != NULL && \
578 (!HAS_FAIL_ALLOC_FLAG || obd_alloc_fail_rate == 0 || \
579 !obd_alloc_fail(ptr, #ptr, "km", size, \
580 __FILE__, __LINE__) || \
581 OBD_FREE_RTN0(ptr)))){ \
582 memset(ptr, 0, size); \
583 OBD_ALLOC_POST(ptr, size, "kmalloced"); \
588 #define OBD_ALLOC_GFP(ptr, size, gfp_mask) \
589 __OBD_MALLOC_VERBOSE(ptr, NULL, 0, size, gfp_mask)
591 #define OBD_ALLOC(ptr, size) OBD_ALLOC_GFP(ptr, size, CFS_ALLOC_IO)
592 #define OBD_ALLOC_WAIT(ptr, size) OBD_ALLOC_GFP(ptr, size, CFS_ALLOC_STD)
593 #define OBD_ALLOC_PTR(ptr) OBD_ALLOC(ptr, sizeof *(ptr))
594 #define OBD_ALLOC_PTR_WAIT(ptr) OBD_ALLOC_WAIT(ptr, sizeof *(ptr))
596 #define OBD_CPT_ALLOC_GFP(ptr, cptab, cpt, size, gfp_mask) \
597 __OBD_MALLOC_VERBOSE(ptr, cptab, cpt, size, gfp_mask)
599 #define OBD_CPT_ALLOC(ptr, cptab, cpt, size) \
600 OBD_CPT_ALLOC_GFP(ptr, cptab, cpt, size, CFS_ALLOC_IO)
602 #define OBD_CPT_ALLOC_PTR(ptr, cptab, cpt) \
603 OBD_CPT_ALLOC(ptr, cptab, cpt, sizeof *(ptr))
607 # define OBD_VMALLOC(ptr, size) \
609 # define OBD_CPT_VMALLOC(ptr, cptab, cpt, size) \
610 OBD_CPT_ALLOC(ptr, cptab, cpt, size)
612 #else /* !__arch_um__ */
614 # define __OBD_VMALLOC_VEROBSE(ptr, cptab, cpt, size) \
616 (ptr) = cptab == NULL ? \
617 cfs_alloc_large(size) : \
618 cfs_cpt_vmalloc(cptab, cpt, size); \
619 if (unlikely((ptr) == NULL)) { \
620 CERROR("vmalloc of '" #ptr "' (%d bytes) failed\n", \
622 CERROR(LPU64" total bytes allocated by Lustre, %d by LNET\n", \
623 obd_memory_sum(), cfs_atomic_read(&libcfs_kmemory)); \
625 memset(ptr, 0, size); \
626 OBD_ALLOC_POST(ptr, size, "vmalloced"); \
630 # define OBD_VMALLOC(ptr, size) \
631 __OBD_VMALLOC_VEROBSE(ptr, NULL, 0, size)
632 # define OBD_CPT_VMALLOC(ptr, cptab, cpt, size) \
633 __OBD_VMALLOC_VEROBSE(ptr, cptab, cpt, size)
639 /* Allocations above this size are considered too big and could not be done
642 * Be very careful when changing this value, especially when decreasing it,
643 * since vmalloc in Linux doesn't perform well on multi-cores system, calling
644 * vmalloc in critical path would hurt peformance badly. See LU-66.
646 #define OBD_ALLOC_BIG (4 * CFS_PAGE_SIZE)
648 #define OBD_ALLOC_LARGE(ptr, size) \
650 if (size > OBD_ALLOC_BIG) \
651 OBD_VMALLOC(ptr, size); \
653 OBD_ALLOC(ptr, size); \
656 #define OBD_CPT_ALLOC_LARGE(ptr, cptab, cpt, size) \
658 if (size > OBD_ALLOC_BIG) \
659 OBD_CPT_VMALLOC(ptr, cptab, cpt, size); \
661 OBD_CPT_ALLOC(ptr, cptab, cpt, size); \
664 #define OBD_FREE_LARGE(ptr, size) \
666 if (size > OBD_ALLOC_BIG) \
667 OBD_VFREE(ptr, size); \
669 OBD_FREE(ptr, size); \
672 #else /* !__KERNEL__ */
674 #define OBD_ALLOC_LARGE(ptr, size) \
676 #define OBD_CPT_ALLOC_LARGE(ptr, cptab, cpt, size) \
678 #define OBD_FREE_LARGE(ptr, size) \
681 #endif /* __KERNEL__ */
683 #ifdef CONFIG_DEBUG_SLAB
684 #define POISON(ptr, c, s) do {} while (0)
685 #define POISON_PTR(ptr) ((void)0)
687 #define POISON(ptr, c, s) memset(ptr, c, s)
688 #define POISON_PTR(ptr) (ptr) = (void *)0xdeadbeef
692 #define POISON_PAGE(page, val) do { memset(kmap(page), val, CFS_PAGE_SIZE); \
693 kunmap(page); } while (0)
695 #define POISON_PAGE(page, val) do { } while (0)
699 #define OBD_FREE(ptr, size) \
701 OBD_FREE_PRE(ptr, size, "kfreed"); \
707 #define OBD_FREE_RCU(ptr, size, handle) \
709 struct portals_handle *__h = (handle); \
711 LASSERT(handle != NULL); \
712 __h->h_cookie = (unsigned long)(ptr); \
713 __h->h_size = (size); \
714 call_rcu(&__h->h_rcu, class_handle_free_cb); \
719 #define OBD_FREE(ptr, size) ((void)(size), free((ptr)))
720 #define OBD_FREE_RCU(ptr, size, handle) (OBD_FREE(ptr, size))
721 #endif /* ifdef __KERNEL__ */
724 # define OBD_VFREE(ptr, size) OBD_FREE(ptr, size)
726 # define OBD_VFREE(ptr, size) \
728 OBD_FREE_PRE(ptr, size, "vfreed"); \
729 cfs_free_large(ptr); \
734 /* we memset() the slab object to 0 when allocation succeeds, so DO NOT
735 * HAVE A CTOR THAT DOES ANYTHING. its work will be cleared here. we'd
736 * love to assert on that, but slab.c keeps kmem_cache_s all to itself. */
737 #define OBD_SLAB_FREE_RTN0(ptr, slab) \
739 cfs_mem_cache_free((slab), (ptr)); \
744 #define __OBD_SLAB_ALLOC_VERBOSE(ptr, slab, cptab, cpt, size, type) \
746 LASSERT(ergo(type != CFS_ALLOC_ATOMIC, !cfs_in_interrupt())); \
747 (ptr) = (cptab) == NULL ? \
748 cfs_mem_cache_alloc(slab, type) : \
749 cfs_mem_cache_cpt_alloc(slab, cptab, cpt, type); \
750 if (likely((ptr) != NULL && \
751 (!HAS_FAIL_ALLOC_FLAG || obd_alloc_fail_rate == 0 || \
752 !obd_alloc_fail(ptr, #ptr, "slab-", size, \
753 __FILE__, __LINE__) || \
754 OBD_SLAB_FREE_RTN0(ptr, slab)))) { \
755 memset(ptr, 0, size); \
756 OBD_ALLOC_POST(ptr, size, "slab-alloced"); \
760 #define OBD_SLAB_ALLOC_GFP(ptr, slab, size, flags) \
761 __OBD_SLAB_ALLOC_VERBOSE(ptr, slab, NULL, 0, size, flags)
762 #define OBD_SLAB_CPT_ALLOC_GFP(ptr, slab, cptab, cpt, size, flags) \
763 __OBD_SLAB_ALLOC_VERBOSE(ptr, slab, cptab, cpt, size, flags)
765 #define OBD_FREE_PTR(ptr) OBD_FREE(ptr, sizeof *(ptr))
767 #define OBD_SLAB_FREE(ptr, slab, size) \
769 OBD_FREE_PRE(ptr, size, "slab-freed"); \
770 cfs_mem_cache_free(slab, ptr); \
774 #define OBD_SLAB_ALLOC(ptr, slab, size) \
775 OBD_SLAB_ALLOC_GFP(ptr, slab, size, CFS_ALLOC_IO)
777 #define OBD_SLAB_CPT_ALLOC(ptr, slab, cptab, cpt, size) \
778 OBD_SLAB_CPT_ALLOC_GFP(ptr, slab, cptab, cpt, size, CFS_ALLOC_IO)
780 #define OBD_SLAB_ALLOC_PTR(ptr, slab) \
781 OBD_SLAB_ALLOC(ptr, slab, sizeof *(ptr))
783 #define OBD_SLAB_CPT_ALLOC_PTR(ptr, slab, cptab, cpt) \
784 OBD_SLAB_CPT_ALLOC(ptr, slab, cptab, cpt, sizeof *(ptr))
786 #define OBD_SLAB_ALLOC_PTR_GFP(ptr, slab, flags) \
787 OBD_SLAB_ALLOC_GFP(ptr, slab, sizeof *(ptr), flags)
789 #define OBD_SLAB_CPT_ALLOC_PTR_GFP(ptr, slab, ctab, cpt, flags) \
790 OBD_SLAB_CPT_ALLOC_GFP(ptr, slab, cptab, cpt, sizeof *(ptr), flags)
792 #define OBD_SLAB_FREE_PTR(ptr, slab) \
793 OBD_SLAB_FREE((ptr), (slab), sizeof *(ptr))
795 #define KEY_IS(str) \
796 (keylen >= (sizeof(str)-1) && memcmp(key, str, (sizeof(str)-1)) == 0)
798 /* Wrapper for contiguous page frame allocation */
799 #define __OBD_PAGE_ALLOC_VERBOSE(ptr, cptab, cpt, gfp_mask) \
801 (ptr) = (cptab) == NULL ? \
802 cfs_alloc_page(gfp_mask) : \
803 cfs_page_cpt_alloc(cptab, cpt, gfp_mask); \
804 if (unlikely((ptr) == NULL)) { \
805 CERROR("alloc_pages of '" #ptr "' %d page(s) / "LPU64" bytes "\
806 "failed\n", (int)1, \
807 (__u64)(1 << CFS_PAGE_SHIFT)); \
808 CERROR(LPU64" total bytes and "LPU64" total pages " \
809 "("LPU64" bytes) allocated by Lustre, " \
810 "%d total bytes by LNET\n", \
812 obd_pages_sum() << CFS_PAGE_SHIFT, \
814 cfs_atomic_read(&libcfs_kmemory)); \
817 CDEBUG(D_MALLOC, "alloc_pages '" #ptr "': %d page(s) / " \
818 LPU64" bytes at %p.\n", \
820 (__u64)(1 << CFS_PAGE_SHIFT), ptr); \
824 #define OBD_PAGE_ALLOC(ptr, gfp_mask) \
825 __OBD_PAGE_ALLOC_VERBOSE(ptr, NULL, 0, gfp_mask)
826 #define OBD_PAGE_CPT_ALLOC(ptr, cptab, cpt, gfp_mask) \
827 __OBD_PAGE_ALLOC_VERBOSE(ptr, cptab, cpt, gfp_mask)
829 #define OBD_PAGE_FREE(ptr) \
833 CDEBUG(D_MALLOC, "free_pages '" #ptr "': %d page(s) / "LPU64" bytes " \
835 (int)1, (__u64)(1 << CFS_PAGE_SHIFT), \
837 cfs_free_page(ptr); \
838 (ptr) = (void *)0xdeadbeef; \
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