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.
32 * Copyright (c) 2011 Whamcloud, Inc.
35 * This file is part of Lustre, http://www.lustre.org/
36 * Lustre is a trademark of Sun Microsystems, Inc.
42 #include <libcfs/libcfs.h>
44 #include <lprocfs_status.h>
46 #if defined(__linux__)
47 #include <linux/obd_support.h>
48 #elif defined(__APPLE__)
49 #include <darwin/obd_support.h>
50 #elif defined(__WINNT__)
51 #include <winnt/obd_support.h>
53 #error Unsupported operating system.
56 /* global variables */
57 extern struct lprocfs_stats *obd_memory;
60 OBD_MEMORY_PAGES_STAT = 1,
64 extern unsigned int obd_debug_peer_on_timeout;
65 extern unsigned int obd_dump_on_timeout;
66 extern unsigned int obd_dump_on_eviction;
67 /* obd_timeout should only be used for recovery, not for
68 networking / disk / timings affected by load (use Adaptive Timeouts) */
69 extern unsigned int obd_timeout; /* seconds */
70 extern unsigned int ldlm_timeout; /* seconds */
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;
83 int obd_alloc_fail(const void *ptr, const char *name, const char *type,
84 size_t size, const char *file, int line);
86 /* Some hash init argument constants */
87 #define HASH_POOLS_BKT_BITS 3
88 #define HASH_POOLS_CUR_BITS 3
89 #define HASH_POOLS_MAX_BITS 7
90 #define HASH_UUID_BKT_BITS 5
91 #define HASH_UUID_CUR_BITS 7
92 #define HASH_UUID_MAX_BITS 12
93 #define HASH_NID_BKT_BITS 5
94 #define HASH_NID_CUR_BITS 7
95 #define HASH_NID_MAX_BITS 12
96 #define HASH_NID_STATS_BKT_BITS 5
97 #define HASH_NID_STATS_CUR_BITS 7
98 #define HASH_NID_STATS_MAX_BITS 12
99 #define HASH_LQS_BKT_BITS 5
100 #define HASH_LQS_CUR_BITS 7
101 #define HASH_LQS_MAX_BITS 12
102 #define HASH_CONN_BKT_BITS 5
103 #define HASH_CONN_CUR_BITS 5
104 #define HASH_CONN_MAX_BITS 15
105 #define HASH_EXP_LOCK_BKT_BITS 5
106 #define HASH_EXP_LOCK_CUR_BITS 7
107 #define HASH_EXP_LOCK_MAX_BITS 16
108 #define HASH_CL_ENV_BKT_BITS 5
109 #define HASH_CL_ENV_BITS 10
111 /* Timeout definitions */
112 #define OBD_TIMEOUT_DEFAULT 100
113 #define LDLM_TIMEOUT_DEFAULT 20
114 #define MDS_LDLM_TIMEOUT_DEFAULT 6
115 /* Time to wait for all clients to reconnect during recovery (hard limit) */
116 #define OBD_RECOVERY_TIME_HARD (obd_timeout * 9)
117 /* Time to wait for all clients to reconnect during recovery (soft limit) */
118 /* Should be very conservative; must catch the first reconnect after reboot */
119 #define OBD_RECOVERY_TIME_SOFT (obd_timeout * 3)
120 /* Change recovery-small 26b time if you change this */
121 #define PING_INTERVAL max(obd_timeout / 4, 1U)
122 /* a bit more than maximal journal commit time in seconds */
123 #define PING_INTERVAL_SHORT min(PING_INTERVAL, 7U)
124 /* Client may skip 1 ping; we must wait at least 2.5. But for multiple
125 * failover targets the client only pings one server at a time, and pings
126 * can be lost on a loaded network. Since eviction has serious consequences,
127 * and there's no urgent need to evict a client just because it's idle, we
128 * should be very conservative here. */
129 #define PING_EVICT_TIMEOUT (PING_INTERVAL * 6)
130 #define DISK_TIMEOUT 50 /* Beyond this we warn about disk speed */
131 #define CONNECTION_SWITCH_MIN 5U /* Connection switching rate limiter */
132 /* Max connect interval for nonresponsive servers; ~50s to avoid building up
133 connect requests in the LND queues, but within obd_timeout so we don't
134 miss the recovery window */
135 #define CONNECTION_SWITCH_MAX min(50U, max(CONNECTION_SWITCH_MIN,obd_timeout))
136 #define CONNECTION_SWITCH_INC 5 /* Connection timeout backoff */
138 /* In general this should be low to have quick detection of a system
139 running on a backup server. (If it's too low, import_select_connection
140 will increase the timeout anyhow.) */
141 #define INITIAL_CONNECT_TIMEOUT max(CONNECTION_SWITCH_MIN,obd_timeout/20)
143 /* ...but for very large systems (e.g. CRAY) we need to keep the initial
144 connect t.o. high (bz 10803), because they will nearly ALWAYS be doing the
145 connects for the first time (clients "reboot" after every process, so no
146 chance to generate adaptive timeout data. */
147 #define INITIAL_CONNECT_TIMEOUT max(CONNECTION_SWITCH_MIN,obd_timeout/2)
149 /* The max delay between connects is SWITCH_MAX + SWITCH_INC + INITIAL */
150 #define RECONNECT_DELAY_MAX (CONNECTION_SWITCH_MAX + CONNECTION_SWITCH_INC + \
151 INITIAL_CONNECT_TIMEOUT)
152 /* The min time a target should wait for clients to reconnect in recovery */
153 #define OBD_RECOVERY_TIME_MIN (2*RECONNECT_DELAY_MAX)
154 #define OBD_IR_FACTOR_MIN 1
155 #define OBD_IR_FACTOR_MAX 10
156 #define OBD_IR_FACTOR_DEFAULT (OBD_IR_FACTOR_MAX/2)
157 /* default timeout for the MGS to become IR_FULL */
158 #define OBD_IR_MGS_TIMEOUT (4*obd_timeout)
159 #define LONG_UNLINK 300 /* Unlink should happen before now */
162 * Time interval of shrink, if the client is "idle" more than this interval,
163 * then the ll_grant thread will return the requested grant space to filter
165 #define GRANT_SHRINK_INTERVAL 1200/*20 minutes*/
167 #define OBD_FAIL_MDS 0x100
168 #define OBD_FAIL_MDS_HANDLE_UNPACK 0x101
169 #define OBD_FAIL_MDS_GETATTR_NET 0x102
170 #define OBD_FAIL_MDS_GETATTR_PACK 0x103
171 #define OBD_FAIL_MDS_READPAGE_NET 0x104
172 #define OBD_FAIL_MDS_READPAGE_PACK 0x105
173 #define OBD_FAIL_MDS_SENDPAGE 0x106
174 #define OBD_FAIL_MDS_REINT_NET 0x107
175 #define OBD_FAIL_MDS_REINT_UNPACK 0x108
176 #define OBD_FAIL_MDS_REINT_SETATTR 0x109
177 #define OBD_FAIL_MDS_REINT_SETATTR_WRITE 0x10a
178 #define OBD_FAIL_MDS_REINT_CREATE 0x10b
179 #define OBD_FAIL_MDS_REINT_CREATE_WRITE 0x10c
180 #define OBD_FAIL_MDS_REINT_UNLINK 0x10d
181 #define OBD_FAIL_MDS_REINT_UNLINK_WRITE 0x10e
182 #define OBD_FAIL_MDS_REINT_LINK 0x10f
183 #define OBD_FAIL_MDS_REINT_LINK_WRITE 0x110
184 #define OBD_FAIL_MDS_REINT_RENAME 0x111
185 #define OBD_FAIL_MDS_REINT_RENAME_WRITE 0x112
186 #define OBD_FAIL_MDS_OPEN_NET 0x113
187 #define OBD_FAIL_MDS_OPEN_PACK 0x114
188 #define OBD_FAIL_MDS_CLOSE_NET 0x115
189 #define OBD_FAIL_MDS_CLOSE_PACK 0x116
190 #define OBD_FAIL_MDS_CONNECT_NET 0x117
191 #define OBD_FAIL_MDS_CONNECT_PACK 0x118
192 #define OBD_FAIL_MDS_REINT_NET_REP 0x119
193 #define OBD_FAIL_MDS_DISCONNECT_NET 0x11a
194 #define OBD_FAIL_MDS_GETSTATUS_NET 0x11b
195 #define OBD_FAIL_MDS_GETSTATUS_PACK 0x11c
196 #define OBD_FAIL_MDS_STATFS_PACK 0x11d
197 #define OBD_FAIL_MDS_STATFS_NET 0x11e
198 #define OBD_FAIL_MDS_GETATTR_NAME_NET 0x11f
199 #define OBD_FAIL_MDS_PIN_NET 0x120
200 #define OBD_FAIL_MDS_UNPIN_NET 0x121
201 #define OBD_FAIL_MDS_ALL_REPLY_NET 0x122
202 #define OBD_FAIL_MDS_ALL_REQUEST_NET 0x123
203 #define OBD_FAIL_MDS_SYNC_NET 0x124
204 #define OBD_FAIL_MDS_SYNC_PACK 0x125
205 #define OBD_FAIL_MDS_DONE_WRITING_NET 0x126
206 #define OBD_FAIL_MDS_DONE_WRITING_PACK 0x127
207 #define OBD_FAIL_MDS_ALLOC_OBDO 0x128
208 #define OBD_FAIL_MDS_PAUSE_OPEN 0x129
209 #define OBD_FAIL_MDS_STATFS_LCW_SLEEP 0x12a
210 #define OBD_FAIL_MDS_OPEN_CREATE 0x12b
211 #define OBD_FAIL_MDS_OST_SETATTR 0x12c
212 #define OBD_FAIL_MDS_QUOTACHECK_NET 0x12d
213 #define OBD_FAIL_MDS_QUOTACTL_NET 0x12e
214 #define OBD_FAIL_MDS_CLIENT_ADD 0x12f
215 #define OBD_FAIL_MDS_GETXATTR_NET 0x130
216 #define OBD_FAIL_MDS_GETXATTR_PACK 0x131
217 #define OBD_FAIL_MDS_SETXATTR_NET 0x132
218 #define OBD_FAIL_MDS_SETXATTR 0x133
219 #define OBD_FAIL_MDS_SETXATTR_WRITE 0x134
220 #define OBD_FAIL_MDS_FS_SETUP 0x135
221 #define OBD_FAIL_MDS_RESEND 0x136
222 #define OBD_FAIL_MDS_LLOG_CREATE_FAILED 0x137
223 #define OBD_FAIL_MDS_LOV_SYNC_RACE 0x138
224 #define OBD_FAIL_MDS_OSC_PRECREATE 0x139
225 #define OBD_FAIL_MDS_LLOG_SYNC_TIMEOUT 0x13a
226 #define OBD_FAIL_MDS_CLOSE_NET_REP 0x13b
227 #define OBD_FAIL_MDS_BLOCK_QUOTA_REQ 0x13c
228 #define OBD_FAIL_MDS_DROP_QUOTA_REQ 0x13d
229 #define OBD_FAIL_MDS_REMOVE_COMMON_EA 0x13e
230 #define OBD_FAIL_MDS_ALLOW_COMMON_EA_SETTING 0x13f
231 #define OBD_FAIL_MDS_FAIL_LOV_LOG_ADD 0x140
232 #define OBD_FAIL_MDS_LOV_PREP_CREATE 0x141
233 #define OBD_FAIL_MDS_REINT_DELAY 0x142
234 #define OBD_FAIL_MDS_READLINK_EPROTO 0x143
235 #define OBD_FAIL_MDS_OPEN_WAIT_CREATE 0x144
236 #define OBD_FAIL_MDS_PDO_LOCK 0x145
237 #define OBD_FAIL_MDS_PDO_LOCK2 0x146
238 #define OBD_FAIL_MDS_OSC_CREATE_FAIL 0x147
241 #define OBD_FAIL_MDS_IS_SUBDIR_NET 0x180
242 #define OBD_FAIL_MDS_IS_SUBDIR_PACK 0x181
243 #define OBD_FAIL_MDS_SET_INFO_NET 0x182
244 #define OBD_FAIL_MDS_WRITEPAGE_NET 0x183
245 #define OBD_FAIL_MDS_WRITEPAGE_PACK 0x184
246 #define OBD_FAIL_MDS_RECOVERY_ACCEPTS_GAPS 0x185
247 #define OBD_FAIL_MDS_GET_INFO_NET 0x186
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
292 #define OBD_FAIL_LDLM 0x300
293 #define OBD_FAIL_LDLM_NAMESPACE_NEW 0x301
294 #define OBD_FAIL_LDLM_ENQUEUE 0x302
295 #define OBD_FAIL_LDLM_CONVERT 0x303
296 #define OBD_FAIL_LDLM_CANCEL 0x304
297 #define OBD_FAIL_LDLM_BL_CALLBACK 0x305
298 #define OBD_FAIL_LDLM_CP_CALLBACK 0x306
299 #define OBD_FAIL_LDLM_GL_CALLBACK 0x307
300 #define OBD_FAIL_LDLM_ENQUEUE_EXTENT_ERR 0x308
301 #define OBD_FAIL_LDLM_ENQUEUE_INTENT_ERR 0x309
302 #define OBD_FAIL_LDLM_CREATE_RESOURCE 0x30a
303 #define OBD_FAIL_LDLM_ENQUEUE_BLOCKED 0x30b
304 #define OBD_FAIL_LDLM_REPLY 0x30c
305 #define OBD_FAIL_LDLM_RECOV_CLIENTS 0x30d
306 #define OBD_FAIL_LDLM_ENQUEUE_OLD_EXPORT 0x30e
307 #define OBD_FAIL_LDLM_GLIMPSE 0x30f
308 #define OBD_FAIL_LDLM_CANCEL_RACE 0x310
309 #define OBD_FAIL_LDLM_CANCEL_EVICT_RACE 0x311
310 #define OBD_FAIL_LDLM_PAUSE_CANCEL 0x312
311 #define OBD_FAIL_LDLM_CLOSE_THREAD 0x313
312 #define OBD_FAIL_LDLM_CANCEL_BL_CB_RACE 0x314
313 #define OBD_FAIL_LDLM_CP_CB_WAIT 0x315
314 #define OBD_FAIL_LDLM_OST_FAIL_RACE 0x316
315 #define OBD_FAIL_LDLM_INTR_CP_AST 0x317
316 #define OBD_FAIL_LDLM_CP_BL_RACE 0x318
317 #define OBD_FAIL_LDLM_NEW_LOCK 0x319
318 #define OBD_FAIL_LDLM_AGL_DELAY 0x31a
319 #define OBD_FAIL_LDLM_AGL_NOLOCK 0x31b
322 #define OBD_FAIL_LDLM_SET_CONTENTION 0x385
324 #define OBD_FAIL_OSC 0x400
325 #define OBD_FAIL_OSC_BRW_READ_BULK 0x401
326 #define OBD_FAIL_OSC_BRW_WRITE_BULK 0x402
327 #define OBD_FAIL_OSC_LOCK_BL_AST 0x403
328 #define OBD_FAIL_OSC_LOCK_CP_AST 0x404
329 #define OBD_FAIL_OSC_MATCH 0x405
330 #define OBD_FAIL_OSC_BRW_PREP_REQ 0x406
331 #define OBD_FAIL_OSC_SHUTDOWN 0x407
332 #define OBD_FAIL_OSC_CHECKSUM_RECEIVE 0x408
333 #define OBD_FAIL_OSC_CHECKSUM_SEND 0x409
334 #define OBD_FAIL_OSC_BRW_PREP_REQ2 0x40a
335 #define OBD_FAIL_OSC_CONNECT_CKSUM 0x40b
336 #define OBD_FAIL_OSC_CKSUM_ADLER_ONLY 0x40c
337 #define OBD_FAIL_OSC_DIO_PAUSE 0x40d
338 #define OBD_FAIL_OSC_OBJECT_CONTENTION 0x40e
339 #define OBD_FAIL_OSC_CP_CANCEL_RACE 0x40f
340 #define OBD_FAIL_OSC_CP_ENQ_RACE 0x410
341 #define OBD_FAIL_OSC_NO_GRANT 0x411
343 #define OBD_FAIL_PTLRPC 0x500
344 #define OBD_FAIL_PTLRPC_ACK 0x501
345 #define OBD_FAIL_PTLRPC_RQBD 0x502
346 #define OBD_FAIL_PTLRPC_BULK_GET_NET 0x503
347 #define OBD_FAIL_PTLRPC_BULK_PUT_NET 0x504
348 #define OBD_FAIL_PTLRPC_DROP_RPC 0x505
349 #define OBD_FAIL_PTLRPC_DELAY_SEND 0x506
350 #define OBD_FAIL_PTLRPC_DELAY_RECOV 0x507
351 #define OBD_FAIL_PTLRPC_CLIENT_BULK_CB 0x508
352 #define OBD_FAIL_PTLRPC_PAUSE_REQ 0x50a
353 #define OBD_FAIL_PTLRPC_PAUSE_REP 0x50c
354 #define OBD_FAIL_PTLRPC_IMP_DEACTIVE 0x50d
355 #define OBD_FAIL_PTLRPC_DUMP_LOG 0x50e
356 #define OBD_FAIL_PTLRPC_LONG_REPL_UNLINK 0x50f
357 #define OBD_FAIL_PTLRPC_LONG_BULK_UNLINK 0x510
358 #define OBD_FAIL_PTLRPC_HPREQ_TIMEOUT 0x511
359 #define OBD_FAIL_PTLRPC_HPREQ_NOTIMEOUT 0x512
360 #define OBD_FAIL_PTLRPC_DROP_REQ_OPC 0x513
361 #define OBD_FAIL_PTLRPC_FINISH_REPLAY 0x514
363 #define OBD_FAIL_OBD_PING_NET 0x600
364 #define OBD_FAIL_OBD_LOG_CANCEL_NET 0x601
365 #define OBD_FAIL_OBD_LOGD_NET 0x602
366 #define OBD_FAIL_OBD_QC_CALLBACK_NET 0x603
367 #define OBD_FAIL_OBD_DQACQ 0x604
368 #define OBD_FAIL_OBD_LLOG_SETUP 0x605
369 #define OBD_FAIL_OBD_LOG_CANCEL_REP 0x606
371 #define OBD_FAIL_TGT_REPLY_NET 0x700
372 #define OBD_FAIL_TGT_CONN_RACE 0x701
373 #define OBD_FAIL_TGT_FORCE_RECONNECT 0x702
374 #define OBD_FAIL_TGT_DELAY_CONNECT 0x703
375 #define OBD_FAIL_TGT_DELAY_RECONNECT 0x704
376 #define OBD_FAIL_TGT_DELAY_PRECREATE 0x705
377 #define OBD_FAIL_TGT_TOOMANY_THREADS 0x706
378 #define OBD_FAIL_TGT_REPLAY_DROP 0x707
379 #define OBD_FAIL_TGT_FAKE_EXP 0x708
380 #define OBD_FAIL_TGT_REPLAY_DELAY 0x709
381 #define OBD_FAIL_TGT_LAST_REPLAY 0x710
382 #define OBD_FAIL_TGT_CLIENT_ADD 0x711
383 #define OBD_FAIL_TGT_RCVG_FLAG 0x712
385 #define OBD_FAIL_MDC_REVALIDATE_PAUSE 0x800
386 #define OBD_FAIL_MDC_ENQUEUE_PAUSE 0x801
387 #define OBD_FAIL_MDC_OLD_EXT_FLAGS 0x802
388 #define OBD_FAIL_MDC_GETATTR_ENQUEUE 0x803
390 #define OBD_FAIL_MGS 0x900
391 #define OBD_FAIL_MGS_ALL_REQUEST_NET 0x901
392 #define OBD_FAIL_MGS_ALL_REPLY_NET 0x902
393 #define OBD_FAIL_MGC_PAUSE_PROCESS_LOG 0x903
394 #define OBD_FAIL_MGS_PAUSE_REQ 0x904
395 #define OBD_FAIL_MGS_PAUSE_TARGET_REG 0x905
397 #define OBD_FAIL_QUOTA_RET_QDATA 0xA02
398 #define OBD_FAIL_QUOTA_DELAY_REL 0xA03
399 #define OBD_FAIL_QUOTA_DELAY_SD 0xA04
401 #define OBD_FAIL_LPROC_REMOVE 0xB00
403 #define OBD_FAIL_GENERAL_ALLOC 0xC00
405 #define OBD_FAIL_SEQ 0x1000
406 #define OBD_FAIL_SEQ_QUERY_NET 0x1001
408 #define OBD_FAIL_FLD 0x1100
409 #define OBD_FAIL_FLD_QUERY_NET 0x1101
411 #define OBD_FAIL_SEC_CTX 0x1200
412 #define OBD_FAIL_SEC_CTX_INIT_NET 0x1201
413 #define OBD_FAIL_SEC_CTX_INIT_CONT_NET 0x1202
414 #define OBD_FAIL_SEC_CTX_FINI_NET 0x1203
415 #define OBD_FAIL_SEC_CTX_HDL_PAUSE 0x1204
417 #define OBD_FAIL_LLOG 0x1300
418 #define OBD_FAIL_LLOG_ORIGIN_CONNECT_NET 0x1301
419 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_CREATE_NET 0x1302
420 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_DESTROY_NET 0x1303
421 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_READ_HEADER_NET 0x1304
422 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_NEXT_BLOCK_NET 0x1305
423 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_PREV_BLOCK_NET 0x1306
424 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_WRITE_REC_NET 0x1307
425 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_CLOSE_NET 0x1308
426 #define OBD_FAIL_LLOG_CATINFO_NET 0x1309
427 #define OBD_FAIL_MDS_SYNC_CAPA_SL 0x1310
428 #define OBD_FAIL_SEQ_ALLOC 0x1311
430 #define OBD_FAIL_LLITE 0x1400
431 #define OBD_FAIL_LLITE_FAULT_TRUNC_RACE 0x1401
433 /* Assign references to moved code to reduce code changes */
434 #define OBD_FAIL_PRECHECK(id) CFS_FAIL_PRECHECK(id)
435 #define OBD_FAIL_CHECK(id) CFS_FAIL_CHECK(id)
436 #define OBD_FAIL_CHECK_VALUE(id, value) CFS_FAIL_CHECK_VALUE(id, value)
437 #define OBD_FAIL_CHECK_ORSET(id, value) CFS_FAIL_CHECK_ORSET(id, value)
438 #define OBD_FAIL_CHECK_RESET(id, value) CFS_FAIL_CHECK_RESET(id, value)
439 #define OBD_FAIL_RETURN(id, ret) CFS_FAIL_RETURN(id, ret)
440 #define OBD_FAIL_TIMEOUT(id, secs) CFS_FAIL_TIMEOUT(id, secs)
441 #define OBD_FAIL_TIMEOUT_MS(id, ms) CFS_FAIL_TIMEOUT_MS(id, ms)
442 #define OBD_FAIL_TIMEOUT_ORSET(id, value, secs) CFS_FAIL_TIMEOUT_ORSET(id, value, secs)
443 #define OBD_RACE(id) CFS_RACE(id)
444 #define OBD_FAIL_ONCE CFS_FAIL_ONCE
445 #define OBD_FAILED CFS_FAILED
448 static inline void obd_fail_write(int id, struct super_block *sb)
450 /* We set FAIL_ONCE because we never "un-fail" a device */
451 if (OBD_FAIL_CHECK_ORSET(id & ~OBD_FAIL_ONCE, OBD_FAIL_ONCE)) {
453 BDEVNAME_DECLARE_STORAGE(tmp);
454 CERROR("cfs_fail_loc=%x, fail write operation on %s\n",
455 id, ll_bdevname(sb, tmp));
457 /* TODO-CMD: fix getting jdev */
458 __lvfs_set_rdonly(lvfs_sbdev(sb), (lvfs_sbdev_type)0);
461 #define OBD_FAIL_WRITE(id, sb) obd_fail_write(id, sb)
464 extern cfs_atomic_t libcfs_kmemory;
467 #define obd_memory_add(size) \
468 lprocfs_counter_add(obd_memory, OBD_MEMORY_STAT, (long)(size))
469 #define obd_memory_sub(size) \
470 lprocfs_counter_sub(obd_memory, OBD_MEMORY_STAT, (long)(size))
471 #define obd_memory_sum() \
472 lprocfs_stats_collector(obd_memory, OBD_MEMORY_STAT, \
473 LPROCFS_FIELDS_FLAGS_SUM)
474 #define obd_pages_add(order) \
475 lprocfs_counter_add(obd_memory, OBD_MEMORY_PAGES_STAT, \
476 (long)(1 << (order)))
477 #define obd_pages_sub(order) \
478 lprocfs_counter_sub(obd_memory, OBD_MEMORY_PAGES_STAT, \
479 (long)(1 << (order)))
480 #define obd_pages_sum() \
481 lprocfs_stats_collector(obd_memory, OBD_MEMORY_PAGES_STAT, \
482 LPROCFS_FIELDS_FLAGS_SUM)
484 extern void obd_update_maxusage(void);
485 extern __u64 obd_memory_max(void);
486 extern __u64 obd_pages_max(void);
490 extern __u64 obd_alloc;
491 extern __u64 obd_pages;
493 extern __u64 obd_max_alloc;
494 extern __u64 obd_max_pages;
496 static inline void obd_memory_add(long size)
499 if (obd_alloc > obd_max_alloc)
500 obd_max_alloc = obd_alloc;
503 static inline void obd_memory_sub(long size)
508 static inline void obd_pages_add(int order)
510 obd_pages += 1<< order;
511 if (obd_pages > obd_max_pages)
512 obd_max_pages = obd_pages;
515 static inline void obd_pages_sub(int order)
517 obd_pages -= 1<< order;
520 #define obd_memory_sum() (obd_alloc)
521 #define obd_pages_sum() (obd_pages)
523 #define obd_memory_max() (obd_max_alloc)
524 #define obd_pages_max() (obd_max_pages)
528 #define OBD_DEBUG_MEMUSAGE (1)
530 #if OBD_DEBUG_MEMUSAGE
531 #define OBD_ALLOC_POST(ptr, size, name) \
532 obd_memory_add(size); \
533 CDEBUG(D_MALLOC, name " '" #ptr "': %d at %p.\n", \
536 #define OBD_FREE_PRE(ptr, size, name) \
538 obd_memory_sub(size); \
539 CDEBUG(D_MALLOC, name " '" #ptr "': %d at %p.\n", \
541 POISON(ptr, 0x5a, size)
543 #else /* !OBD_DEBUG_MEMUSAGE */
545 #define OBD_ALLOC_POST(ptr, size, name) ((void)0)
546 #define OBD_FREE_PRE(ptr, size, name) ((void)0)
548 #endif /* !OBD_DEBUG_MEMUSAGE */
550 #ifdef RANDOM_FAIL_ALLOC
551 #define HAS_FAIL_ALLOC_FLAG OBD_FAIL_CHECK(OBD_FAIL_GENERAL_ALLOC)
553 #define HAS_FAIL_ALLOC_FLAG 0
556 #define OBD_ALLOC_FAIL_BITS 24
557 #define OBD_ALLOC_FAIL_MASK ((1 << OBD_ALLOC_FAIL_BITS) - 1)
558 #define OBD_ALLOC_FAIL_MULT (OBD_ALLOC_FAIL_MASK / 100)
560 #if defined(LUSTRE_UTILS) /* this version is for utils only */
561 #define OBD_ALLOC_GFP(ptr, size, gfp_mask) \
563 (ptr) = cfs_alloc(size, (gfp_mask)); \
564 if (unlikely((ptr) == NULL)) { \
565 CERROR("kmalloc of '" #ptr "' (%d bytes) failed at %s:%d\n", \
566 (int)(size), __FILE__, __LINE__); \
568 memset(ptr, 0, size); \
569 CDEBUG(D_MALLOC, "kmalloced '" #ptr "': %d at %p\n", \
573 #else /* this version is for the kernel and liblustre */
574 #define OBD_FREE_RTN0(ptr) \
580 #define OBD_ALLOC_GFP(ptr, size, gfp_mask) \
582 (ptr) = cfs_alloc(size, (gfp_mask)); \
583 if (likely((ptr) != NULL && \
584 (!HAS_FAIL_ALLOC_FLAG || obd_alloc_fail_rate == 0 || \
585 !obd_alloc_fail(ptr, #ptr, "km", size, \
586 __FILE__, __LINE__) || \
587 OBD_FREE_RTN0(ptr)))){ \
588 memset(ptr, 0, size); \
589 OBD_ALLOC_POST(ptr, size, "kmalloced"); \
594 #ifndef OBD_ALLOC_MASK
595 # define OBD_ALLOC_MASK CFS_ALLOC_IO
598 #define OBD_ALLOC(ptr, size) OBD_ALLOC_GFP(ptr, size, OBD_ALLOC_MASK)
599 #define OBD_ALLOC_WAIT(ptr, size) OBD_ALLOC_GFP(ptr, size, CFS_ALLOC_STD)
600 #define OBD_ALLOC_PTR(ptr) OBD_ALLOC(ptr, sizeof *(ptr))
601 #define OBD_ALLOC_PTR_WAIT(ptr) OBD_ALLOC_WAIT(ptr, sizeof *(ptr))
604 # define OBD_VMALLOC(ptr, size) OBD_ALLOC(ptr, size)
606 # define OBD_VMALLOC(ptr, size) \
608 (ptr) = cfs_alloc_large(size); \
609 if (unlikely((ptr) == NULL)) { \
610 CERROR("vmalloc of '" #ptr "' (%d bytes) failed\n", \
612 CERROR(LPU64" total bytes allocated by Lustre, %d by LNET\n", \
613 obd_memory_sum(), cfs_atomic_read(&libcfs_kmemory)); \
615 memset(ptr, 0, size); \
616 OBD_ALLOC_POST(ptr, size, "vmalloced"); \
623 /* Allocations above this size are considered too big and could not be done
626 * Be very careful when changing this value, especially when decreasing it,
627 * since vmalloc in Linux doesn't perform well on multi-cores system, calling
628 * vmalloc in critical path would hurt peformance badly. See LU-66.
630 #define OBD_ALLOC_BIG (4 * CFS_PAGE_SIZE)
632 #define OBD_ALLOC_LARGE(ptr, size) \
634 if (size > OBD_ALLOC_BIG) \
635 OBD_VMALLOC(ptr, size); \
637 OBD_ALLOC(ptr, size); \
640 #define OBD_FREE_LARGE(ptr, size) \
642 if (size > OBD_ALLOC_BIG) \
643 OBD_VFREE(ptr, size); \
645 OBD_FREE(ptr, size); \
648 #define OBD_ALLOC_LARGE(ptr, size) OBD_ALLOC(ptr, size)
649 #define OBD_FREE_LARGE(ptr, size) OBD_FREE(ptr,size)
652 #ifdef CONFIG_DEBUG_SLAB
653 #define POISON(ptr, c, s) do {} while (0)
654 #define POISON_PTR(ptr) ((void)0)
656 #define POISON(ptr, c, s) memset(ptr, c, s)
657 #define POISON_PTR(ptr) (ptr) = (void *)0xdeadbeef
661 #define POISON_PAGE(page, val) do { memset(kmap(page), val, CFS_PAGE_SIZE); \
662 kunmap(page); } while (0)
664 #define POISON_PAGE(page, val) do { } while (0)
668 #define OBD_FREE(ptr, size) \
670 OBD_FREE_PRE(ptr, size, "kfreed"); \
677 # ifdef HAVE_CALL_RCU_PARAM
678 # define my_call_rcu(rcu, cb) call_rcu(rcu, cb, rcu)
680 # define my_call_rcu(rcu, cb) call_rcu(rcu, cb)
683 # define my_call_rcu(rcu, cb) (cb)(rcu)
686 #define OBD_FREE_RCU_CB(ptr, size, handle, free_cb) \
688 struct portals_handle *__h = (handle); \
690 __h->h_ptr = (ptr); \
691 __h->h_size = (size); \
692 __h->h_free_cb = (void (*)(void *, size_t))(free_cb); \
693 my_call_rcu(&__h->h_rcu, class_handle_free_cb); \
696 #define OBD_FREE_RCU(ptr, size, handle) OBD_FREE_RCU_CB(ptr, size, handle, NULL)
699 #define OBD_FREE(ptr, size) ((void)(size), free((ptr)))
700 #define OBD_FREE_RCU(ptr, size, handle) (OBD_FREE(ptr, size))
701 #define OBD_FREE_RCU_CB(ptr, size, handle, cb) ((*(cb))(ptr, size))
702 #endif /* ifdef __KERNEL__ */
705 # define OBD_VFREE(ptr, size) OBD_FREE(ptr, size)
707 # define OBD_VFREE(ptr, size) \
709 OBD_FREE_PRE(ptr, size, "vfreed"); \
710 cfs_free_large(ptr); \
715 /* we memset() the slab object to 0 when allocation succeeds, so DO NOT
716 * HAVE A CTOR THAT DOES ANYTHING. its work will be cleared here. we'd
717 * love to assert on that, but slab.c keeps kmem_cache_s all to itself. */
718 #define OBD_SLAB_FREE_RTN0(ptr, slab) \
720 cfs_mem_cache_free((slab), (ptr)); \
724 #define OBD_SLAB_ALLOC(ptr, slab, type, size) \
726 LASSERT(ergo(type != CFS_ALLOC_ATOMIC, !cfs_in_interrupt())); \
727 (ptr) = cfs_mem_cache_alloc(slab, (type)); \
728 if (likely((ptr) != NULL && \
729 (!HAS_FAIL_ALLOC_FLAG || obd_alloc_fail_rate == 0 || \
730 !obd_alloc_fail(ptr, #ptr, "slab-", size, \
731 __FILE__, __LINE__) || \
732 OBD_SLAB_FREE_RTN0(ptr, slab)))) { \
733 memset(ptr, 0, size); \
734 OBD_ALLOC_POST(ptr, size, "slab-alloced"); \
738 #define OBD_FREE_PTR(ptr) OBD_FREE(ptr, sizeof *(ptr))
740 #define OBD_SLAB_FREE(ptr, slab, size) \
742 OBD_FREE_PRE(ptr, size, "slab-freed"); \
743 cfs_mem_cache_free(slab, ptr); \
747 #define OBD_SLAB_ALLOC_PTR(ptr, slab) \
748 OBD_SLAB_ALLOC((ptr), (slab), CFS_ALLOC_STD, sizeof *(ptr))
749 #define OBD_SLAB_FREE_PTR(ptr, slab) \
750 OBD_SLAB_FREE((ptr), (slab), sizeof *(ptr))
751 #define OBD_SLAB_ALLOC_PTR_GFP(ptr, slab, gfp) \
752 OBD_SLAB_ALLOC((ptr), (slab), (gfp), sizeof *(ptr))
754 #define KEY_IS(str) \
755 (keylen >= (sizeof(str)-1) && memcmp(key, str, (sizeof(str)-1)) == 0)
757 /* Wrapper for contiguous page frame allocation */
758 #define OBD_PAGE_ALLOC(ptr, gfp_mask) \
760 (ptr) = cfs_alloc_page(gfp_mask); \
761 if (unlikely((ptr) == NULL)) { \
762 CERROR("alloc_pages of '" #ptr "' %d page(s) / "LPU64" bytes "\
763 "failed\n", (int)1, \
764 (__u64)(1 << CFS_PAGE_SHIFT)); \
765 CERROR(LPU64" total bytes and "LPU64" total pages " \
766 "("LPU64" bytes) allocated by Lustre, " \
767 "%d total bytes by LNET\n", \
769 obd_pages_sum() << CFS_PAGE_SHIFT, \
771 cfs_atomic_read(&libcfs_kmemory)); \
774 CDEBUG(D_MALLOC, "alloc_pages '" #ptr "': %d page(s) / " \
775 LPU64" bytes at %p.\n", \
777 (__u64)(1 << CFS_PAGE_SHIFT), ptr); \
781 #define OBD_PAGE_FREE(ptr) \
785 CDEBUG(D_MALLOC, "free_pages '" #ptr "': %d page(s) / "LPU64" bytes " \
787 (int)1, (__u64)(1 << CFS_PAGE_SHIFT), \
789 cfs_free_page(ptr); \
790 (ptr) = (void *)0xdeadbeef; \