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, Intel Corporation.
33 * This file is part of Lustre, http://www.lustre.org/
34 * Lustre is a trademark of Sun Microsystems, Inc.
40 #include <linux/slab.h>
41 #include "../../include/linux/libcfs/libcfs.h"
42 #include "linux/lustre_compat25.h"
43 #include "lprocfs_status.h"
45 /* global variables */
46 extern struct lprocfs_stats *obd_memory;
49 OBD_MEMORY_PAGES_STAT = 1,
53 extern unsigned int obd_debug_peer_on_timeout;
54 extern unsigned int obd_dump_on_timeout;
55 extern unsigned int obd_dump_on_eviction;
56 /* obd_timeout should only be used for recovery, not for
57 networking / disk / timings affected by load (use Adaptive Timeouts) */
58 extern unsigned int obd_timeout; /* seconds */
59 extern unsigned int ldlm_timeout; /* seconds */
60 extern unsigned int obd_timeout_set;
61 extern unsigned int ldlm_timeout_set;
62 extern unsigned int at_min;
63 extern unsigned int at_max;
64 extern unsigned int at_history;
65 extern int at_early_margin;
67 extern unsigned int obd_sync_filter;
68 extern unsigned int obd_max_dirty_pages;
69 extern atomic_t obd_dirty_pages;
70 extern atomic_t obd_dirty_transit_pages;
71 extern unsigned int obd_alloc_fail_rate;
72 extern char obd_jobid_var[];
75 int obd_alloc_fail(const void *ptr, const char *name, const char *type,
76 size_t size, const char *file, int line);
78 /* Some hash init argument constants */
79 #define HASH_POOLS_BKT_BITS 3
80 #define HASH_POOLS_CUR_BITS 3
81 #define HASH_POOLS_MAX_BITS 7
82 #define HASH_UUID_BKT_BITS 5
83 #define HASH_UUID_CUR_BITS 7
84 #define HASH_UUID_MAX_BITS 12
85 #define HASH_NID_BKT_BITS 5
86 #define HASH_NID_CUR_BITS 7
87 #define HASH_NID_MAX_BITS 12
88 #define HASH_NID_STATS_BKT_BITS 5
89 #define HASH_NID_STATS_CUR_BITS 7
90 #define HASH_NID_STATS_MAX_BITS 12
91 #define HASH_LQE_BKT_BITS 5
92 #define HASH_LQE_CUR_BITS 7
93 #define HASH_LQE_MAX_BITS 12
94 #define HASH_CONN_BKT_BITS 5
95 #define HASH_CONN_CUR_BITS 5
96 #define HASH_CONN_MAX_BITS 15
97 #define HASH_EXP_LOCK_BKT_BITS 5
98 #define HASH_EXP_LOCK_CUR_BITS 7
99 #define HASH_EXP_LOCK_MAX_BITS 16
100 #define HASH_CL_ENV_BKT_BITS 5
101 #define HASH_CL_ENV_BITS 10
102 #define HASH_JOB_STATS_BKT_BITS 5
103 #define HASH_JOB_STATS_CUR_BITS 7
104 #define HASH_JOB_STATS_MAX_BITS 12
106 /* Timeout definitions */
107 #define OBD_TIMEOUT_DEFAULT 100
108 #define LDLM_TIMEOUT_DEFAULT 20
109 #define MDS_LDLM_TIMEOUT_DEFAULT 6
110 /* Time to wait for all clients to reconnect during recovery (hard limit) */
111 #define OBD_RECOVERY_TIME_HARD (obd_timeout * 9)
112 /* Time to wait for all clients to reconnect during recovery (soft limit) */
113 /* Should be very conservative; must catch the first reconnect after reboot */
114 #define OBD_RECOVERY_TIME_SOFT (obd_timeout * 3)
115 /* Change recovery-small 26b time if you change this */
116 #define PING_INTERVAL max(obd_timeout / 4, 1U)
117 /* a bit more than maximal journal commit time in seconds */
118 #define PING_INTERVAL_SHORT min(PING_INTERVAL, 7U)
119 /* Client may skip 1 ping; we must wait at least 2.5. But for multiple
120 * failover targets the client only pings one server at a time, and pings
121 * can be lost on a loaded network. Since eviction has serious consequences,
122 * and there's no urgent need to evict a client just because it's idle, we
123 * should be very conservative here. */
124 #define PING_EVICT_TIMEOUT (PING_INTERVAL * 6)
125 #define DISK_TIMEOUT 50 /* Beyond this we warn about disk speed */
126 #define CONNECTION_SWITCH_MIN 5U /* Connection switching rate limiter */
127 /* Max connect interval for nonresponsive servers; ~50s to avoid building up
128 connect requests in the LND queues, but within obd_timeout so we don't
129 miss the recovery window */
130 #define CONNECTION_SWITCH_MAX min(50U, max(CONNECTION_SWITCH_MIN, obd_timeout))
131 #define CONNECTION_SWITCH_INC 5 /* Connection timeout backoff */
132 /* In general this should be low to have quick detection of a system
133 running on a backup server. (If it's too low, import_select_connection
134 will increase the timeout anyhow.) */
135 #define INITIAL_CONNECT_TIMEOUT max(CONNECTION_SWITCH_MIN, obd_timeout/20)
136 /* The max delay between connects is SWITCH_MAX + SWITCH_INC + INITIAL */
137 #define RECONNECT_DELAY_MAX (CONNECTION_SWITCH_MAX + CONNECTION_SWITCH_INC + \
138 INITIAL_CONNECT_TIMEOUT)
139 /* The min time a target should wait for clients to reconnect in recovery */
140 #define OBD_RECOVERY_TIME_MIN (2*RECONNECT_DELAY_MAX)
141 #define OBD_IR_FACTOR_MIN 1
142 #define OBD_IR_FACTOR_MAX 10
143 #define OBD_IR_FACTOR_DEFAULT (OBD_IR_FACTOR_MAX/2)
144 /* default timeout for the MGS to become IR_FULL */
145 #define OBD_IR_MGS_TIMEOUT (4*obd_timeout)
146 #define LONG_UNLINK 300 /* Unlink should happen before now */
149 * Time interval of shrink, if the client is "idle" more than this interval,
150 * then the ll_grant thread will return the requested grant space to filter
152 #define GRANT_SHRINK_INTERVAL 1200/*20 minutes*/
154 #define OBD_FAIL_MDS 0x100
155 #define OBD_FAIL_MDS_HANDLE_UNPACK 0x101
156 #define OBD_FAIL_MDS_GETATTR_NET 0x102
157 #define OBD_FAIL_MDS_GETATTR_PACK 0x103
158 #define OBD_FAIL_MDS_READPAGE_NET 0x104
159 #define OBD_FAIL_MDS_READPAGE_PACK 0x105
160 #define OBD_FAIL_MDS_SENDPAGE 0x106
161 #define OBD_FAIL_MDS_REINT_NET 0x107
162 #define OBD_FAIL_MDS_REINT_UNPACK 0x108
163 #define OBD_FAIL_MDS_REINT_SETATTR 0x109
164 #define OBD_FAIL_MDS_REINT_SETATTR_WRITE 0x10a
165 #define OBD_FAIL_MDS_REINT_CREATE 0x10b
166 #define OBD_FAIL_MDS_REINT_CREATE_WRITE 0x10c
167 #define OBD_FAIL_MDS_REINT_UNLINK 0x10d
168 #define OBD_FAIL_MDS_REINT_UNLINK_WRITE 0x10e
169 #define OBD_FAIL_MDS_REINT_LINK 0x10f
170 #define OBD_FAIL_MDS_REINT_LINK_WRITE 0x110
171 #define OBD_FAIL_MDS_REINT_RENAME 0x111
172 #define OBD_FAIL_MDS_REINT_RENAME_WRITE 0x112
173 #define OBD_FAIL_MDS_OPEN_NET 0x113
174 #define OBD_FAIL_MDS_OPEN_PACK 0x114
175 #define OBD_FAIL_MDS_CLOSE_NET 0x115
176 #define OBD_FAIL_MDS_CLOSE_PACK 0x116
177 #define OBD_FAIL_MDS_CONNECT_NET 0x117
178 #define OBD_FAIL_MDS_CONNECT_PACK 0x118
179 #define OBD_FAIL_MDS_REINT_NET_REP 0x119
180 #define OBD_FAIL_MDS_DISCONNECT_NET 0x11a
181 #define OBD_FAIL_MDS_GETSTATUS_NET 0x11b
182 #define OBD_FAIL_MDS_GETSTATUS_PACK 0x11c
183 #define OBD_FAIL_MDS_STATFS_PACK 0x11d
184 #define OBD_FAIL_MDS_STATFS_NET 0x11e
185 #define OBD_FAIL_MDS_GETATTR_NAME_NET 0x11f
186 #define OBD_FAIL_MDS_PIN_NET 0x120
187 #define OBD_FAIL_MDS_UNPIN_NET 0x121
188 #define OBD_FAIL_MDS_ALL_REPLY_NET 0x122
189 #define OBD_FAIL_MDS_ALL_REQUEST_NET 0x123
190 #define OBD_FAIL_MDS_SYNC_NET 0x124
191 #define OBD_FAIL_MDS_SYNC_PACK 0x125
192 #define OBD_FAIL_MDS_DONE_WRITING_NET 0x126
193 #define OBD_FAIL_MDS_DONE_WRITING_PACK 0x127
194 #define OBD_FAIL_MDS_ALLOC_OBDO 0x128
195 #define OBD_FAIL_MDS_PAUSE_OPEN 0x129
196 #define OBD_FAIL_MDS_STATFS_LCW_SLEEP 0x12a
197 #define OBD_FAIL_MDS_OPEN_CREATE 0x12b
198 #define OBD_FAIL_MDS_OST_SETATTR 0x12c
199 #define OBD_FAIL_MDS_QUOTACHECK_NET 0x12d
200 #define OBD_FAIL_MDS_QUOTACTL_NET 0x12e
201 #define OBD_FAIL_MDS_CLIENT_ADD 0x12f
202 #define OBD_FAIL_MDS_GETXATTR_NET 0x130
203 #define OBD_FAIL_MDS_GETXATTR_PACK 0x131
204 #define OBD_FAIL_MDS_SETXATTR_NET 0x132
205 #define OBD_FAIL_MDS_SETXATTR 0x133
206 #define OBD_FAIL_MDS_SETXATTR_WRITE 0x134
207 #define OBD_FAIL_MDS_FS_SETUP 0x135
208 #define OBD_FAIL_MDS_RESEND 0x136
209 #define OBD_FAIL_MDS_LLOG_CREATE_FAILED 0x137
210 #define OBD_FAIL_MDS_LOV_SYNC_RACE 0x138
211 #define OBD_FAIL_MDS_OSC_PRECREATE 0x139
212 #define OBD_FAIL_MDS_LLOG_SYNC_TIMEOUT 0x13a
213 #define OBD_FAIL_MDS_CLOSE_NET_REP 0x13b
214 #define OBD_FAIL_MDS_BLOCK_QUOTA_REQ 0x13c
215 #define OBD_FAIL_MDS_DROP_QUOTA_REQ 0x13d
216 #define OBD_FAIL_MDS_REMOVE_COMMON_EA 0x13e
217 #define OBD_FAIL_MDS_ALLOW_COMMON_EA_SETTING 0x13f
218 #define OBD_FAIL_MDS_FAIL_LOV_LOG_ADD 0x140
219 #define OBD_FAIL_MDS_LOV_PREP_CREATE 0x141
220 #define OBD_FAIL_MDS_REINT_DELAY 0x142
221 #define OBD_FAIL_MDS_READLINK_EPROTO 0x143
222 #define OBD_FAIL_MDS_OPEN_WAIT_CREATE 0x144
223 #define OBD_FAIL_MDS_PDO_LOCK 0x145
224 #define OBD_FAIL_MDS_PDO_LOCK2 0x146
225 #define OBD_FAIL_MDS_OSC_CREATE_FAIL 0x147
226 #define OBD_FAIL_MDS_NEGATIVE_POSITIVE 0x148
227 #define OBD_FAIL_MDS_HSM_STATE_GET_NET 0x149
228 #define OBD_FAIL_MDS_HSM_STATE_SET_NET 0x14a
229 #define OBD_FAIL_MDS_HSM_PROGRESS_NET 0x14b
230 #define OBD_FAIL_MDS_HSM_REQUEST_NET 0x14c
231 #define OBD_FAIL_MDS_HSM_CT_REGISTER_NET 0x14d
232 #define OBD_FAIL_MDS_HSM_CT_UNREGISTER_NET 0x14e
233 #define OBD_FAIL_MDS_SWAP_LAYOUTS_NET 0x14f
234 #define OBD_FAIL_MDS_HSM_ACTION_NET 0x150
235 #define OBD_FAIL_MDS_CHANGELOG_INIT 0x151
238 #define OBD_FAIL_MDS_NO_LL_GETATTR 0x170
239 #define OBD_FAIL_MDS_NO_LL_OPEN 0x171
240 #define OBD_FAIL_MDS_LL_BLOCK 0x172
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
253 #define OBD_FAIL_OSD_SCRUB_DELAY 0x190
254 #define OBD_FAIL_OSD_SCRUB_CRASH 0x191
255 #define OBD_FAIL_OSD_SCRUB_FATAL 0x192
256 #define OBD_FAIL_OSD_FID_MAPPING 0x193
257 #define OBD_FAIL_OSD_LMA_INCOMPAT 0x194
258 #define OBD_FAIL_OSD_COMPAT_INVALID_ENTRY 0x195
260 #define OBD_FAIL_OST 0x200
261 #define OBD_FAIL_OST_CONNECT_NET 0x201
262 #define OBD_FAIL_OST_DISCONNECT_NET 0x202
263 #define OBD_FAIL_OST_GET_INFO_NET 0x203
264 #define OBD_FAIL_OST_CREATE_NET 0x204
265 #define OBD_FAIL_OST_DESTROY_NET 0x205
266 #define OBD_FAIL_OST_GETATTR_NET 0x206
267 #define OBD_FAIL_OST_SETATTR_NET 0x207
268 #define OBD_FAIL_OST_OPEN_NET 0x208
269 #define OBD_FAIL_OST_CLOSE_NET 0x209
270 #define OBD_FAIL_OST_BRW_NET 0x20a
271 #define OBD_FAIL_OST_PUNCH_NET 0x20b
272 #define OBD_FAIL_OST_STATFS_NET 0x20c
273 #define OBD_FAIL_OST_HANDLE_UNPACK 0x20d
274 #define OBD_FAIL_OST_BRW_WRITE_BULK 0x20e
275 #define OBD_FAIL_OST_BRW_READ_BULK 0x20f
276 #define OBD_FAIL_OST_SYNC_NET 0x210
277 #define OBD_FAIL_OST_ALL_REPLY_NET 0x211
278 #define OBD_FAIL_OST_ALL_REQUEST_NET 0x212
279 #define OBD_FAIL_OST_LDLM_REPLY_NET 0x213
280 #define OBD_FAIL_OST_BRW_PAUSE_BULK 0x214
281 #define OBD_FAIL_OST_ENOSPC 0x215
282 #define OBD_FAIL_OST_EROFS 0x216
283 #define OBD_FAIL_OST_ENOENT 0x217
284 #define OBD_FAIL_OST_QUOTACHECK_NET 0x218
285 #define OBD_FAIL_OST_QUOTACTL_NET 0x219
286 #define OBD_FAIL_OST_CHECKSUM_RECEIVE 0x21a
287 #define OBD_FAIL_OST_CHECKSUM_SEND 0x21b
288 #define OBD_FAIL_OST_BRW_SIZE 0x21c
289 #define OBD_FAIL_OST_DROP_REQ 0x21d
290 #define OBD_FAIL_OST_SETATTR_CREDITS 0x21e
291 #define OBD_FAIL_OST_HOLD_WRITE_RPC 0x21f
292 #define OBD_FAIL_OST_BRW_WRITE_BULK2 0x220
293 #define OBD_FAIL_OST_LLOG_RECOVERY_TIMEOUT 0x221
294 #define OBD_FAIL_OST_CANCEL_COOKIE_TIMEOUT 0x222
295 #define OBD_FAIL_OST_PAUSE_CREATE 0x223
296 #define OBD_FAIL_OST_BRW_PAUSE_PACK 0x224
297 #define OBD_FAIL_OST_CONNECT_NET2 0x225
298 #define OBD_FAIL_OST_NOMEM 0x226
299 #define OBD_FAIL_OST_BRW_PAUSE_BULK2 0x227
300 #define OBD_FAIL_OST_MAPBLK_ENOSPC 0x228
301 #define OBD_FAIL_OST_ENOINO 0x229
302 #define OBD_FAIL_OST_DQACQ_NET 0x230
303 #define OBD_FAIL_OST_STATFS_EINPROGRESS 0x231
305 #define OBD_FAIL_LDLM 0x300
306 #define OBD_FAIL_LDLM_NAMESPACE_NEW 0x301
307 #define OBD_FAIL_LDLM_ENQUEUE_NET 0x302
308 #define OBD_FAIL_LDLM_CONVERT_NET 0x303
309 #define OBD_FAIL_LDLM_CANCEL_NET 0x304
310 #define OBD_FAIL_LDLM_BL_CALLBACK_NET 0x305
311 #define OBD_FAIL_LDLM_CP_CALLBACK_NET 0x306
312 #define OBD_FAIL_LDLM_GL_CALLBACK_NET 0x307
313 #define OBD_FAIL_LDLM_ENQUEUE_EXTENT_ERR 0x308
314 #define OBD_FAIL_LDLM_ENQUEUE_INTENT_ERR 0x309
315 #define OBD_FAIL_LDLM_CREATE_RESOURCE 0x30a
316 #define OBD_FAIL_LDLM_ENQUEUE_BLOCKED 0x30b
317 #define OBD_FAIL_LDLM_REPLY 0x30c
318 #define OBD_FAIL_LDLM_RECOV_CLIENTS 0x30d
319 #define OBD_FAIL_LDLM_ENQUEUE_OLD_EXPORT 0x30e
320 #define OBD_FAIL_LDLM_GLIMPSE 0x30f
321 #define OBD_FAIL_LDLM_CANCEL_RACE 0x310
322 #define OBD_FAIL_LDLM_CANCEL_EVICT_RACE 0x311
323 #define OBD_FAIL_LDLM_PAUSE_CANCEL 0x312
324 #define OBD_FAIL_LDLM_CLOSE_THREAD 0x313
325 #define OBD_FAIL_LDLM_CANCEL_BL_CB_RACE 0x314
326 #define OBD_FAIL_LDLM_CP_CB_WAIT 0x315
327 #define OBD_FAIL_LDLM_OST_FAIL_RACE 0x316
328 #define OBD_FAIL_LDLM_INTR_CP_AST 0x317
329 #define OBD_FAIL_LDLM_CP_BL_RACE 0x318
330 #define OBD_FAIL_LDLM_NEW_LOCK 0x319
331 #define OBD_FAIL_LDLM_AGL_DELAY 0x31a
332 #define OBD_FAIL_LDLM_AGL_NOLOCK 0x31b
333 #define OBD_FAIL_LDLM_OST_LVB 0x31c
336 #define OBD_FAIL_LDLM_SET_CONTENTION 0x385
338 #define OBD_FAIL_OSC 0x400
339 #define OBD_FAIL_OSC_BRW_READ_BULK 0x401
340 #define OBD_FAIL_OSC_BRW_WRITE_BULK 0x402
341 #define OBD_FAIL_OSC_LOCK_BL_AST 0x403
342 #define OBD_FAIL_OSC_LOCK_CP_AST 0x404
343 #define OBD_FAIL_OSC_MATCH 0x405
344 #define OBD_FAIL_OSC_BRW_PREP_REQ 0x406
345 #define OBD_FAIL_OSC_SHUTDOWN 0x407
346 #define OBD_FAIL_OSC_CHECKSUM_RECEIVE 0x408
347 #define OBD_FAIL_OSC_CHECKSUM_SEND 0x409
348 #define OBD_FAIL_OSC_BRW_PREP_REQ2 0x40a
349 #define OBD_FAIL_OSC_CONNECT_CKSUM 0x40b
350 #define OBD_FAIL_OSC_CKSUM_ADLER_ONLY 0x40c
351 #define OBD_FAIL_OSC_DIO_PAUSE 0x40d
352 #define OBD_FAIL_OSC_OBJECT_CONTENTION 0x40e
353 #define OBD_FAIL_OSC_CP_CANCEL_RACE 0x40f
354 #define OBD_FAIL_OSC_CP_ENQ_RACE 0x410
355 #define OBD_FAIL_OSC_NO_GRANT 0x411
356 #define OBD_FAIL_OSC_DELAY_SETTIME 0x412
358 #define OBD_FAIL_PTLRPC 0x500
359 #define OBD_FAIL_PTLRPC_ACK 0x501
360 #define OBD_FAIL_PTLRPC_RQBD 0x502
361 #define OBD_FAIL_PTLRPC_BULK_GET_NET 0x503
362 #define OBD_FAIL_PTLRPC_BULK_PUT_NET 0x504
363 #define OBD_FAIL_PTLRPC_DROP_RPC 0x505
364 #define OBD_FAIL_PTLRPC_DELAY_SEND 0x506
365 #define OBD_FAIL_PTLRPC_DELAY_RECOV 0x507
366 #define OBD_FAIL_PTLRPC_CLIENT_BULK_CB 0x508
367 #define OBD_FAIL_PTLRPC_PAUSE_REQ 0x50a
368 #define OBD_FAIL_PTLRPC_PAUSE_REP 0x50c
369 #define OBD_FAIL_PTLRPC_IMP_DEACTIVE 0x50d
370 #define OBD_FAIL_PTLRPC_DUMP_LOG 0x50e
371 #define OBD_FAIL_PTLRPC_LONG_REPL_UNLINK 0x50f
372 #define OBD_FAIL_PTLRPC_LONG_BULK_UNLINK 0x510
373 #define OBD_FAIL_PTLRPC_HPREQ_TIMEOUT 0x511
374 #define OBD_FAIL_PTLRPC_HPREQ_NOTIMEOUT 0x512
375 #define OBD_FAIL_PTLRPC_DROP_REQ_OPC 0x513
376 #define OBD_FAIL_PTLRPC_FINISH_REPLAY 0x514
377 #define OBD_FAIL_PTLRPC_CLIENT_BULK_CB2 0x515
378 #define OBD_FAIL_PTLRPC_DELAY_IMP_FULL 0x516
379 #define OBD_FAIL_PTLRPC_CANCEL_RESEND 0x517
381 #define OBD_FAIL_OBD_PING_NET 0x600
382 #define OBD_FAIL_OBD_LOG_CANCEL_NET 0x601
383 #define OBD_FAIL_OBD_LOGD_NET 0x602
384 #define OBD_FAIL_OBD_QC_CALLBACK_NET 0x603
385 #define OBD_FAIL_OBD_DQACQ 0x604
386 #define OBD_FAIL_OBD_LLOG_SETUP 0x605
387 #define OBD_FAIL_OBD_LOG_CANCEL_REP 0x606
388 #define OBD_FAIL_OBD_IDX_READ_NET 0x607
389 #define OBD_FAIL_OBD_IDX_READ_BREAK 0x608
390 #define OBD_FAIL_OBD_NO_LRU 0x609
392 #define OBD_FAIL_TGT_REPLY_NET 0x700
393 #define OBD_FAIL_TGT_CONN_RACE 0x701
394 #define OBD_FAIL_TGT_FORCE_RECONNECT 0x702
395 #define OBD_FAIL_TGT_DELAY_CONNECT 0x703
396 #define OBD_FAIL_TGT_DELAY_RECONNECT 0x704
397 #define OBD_FAIL_TGT_DELAY_PRECREATE 0x705
398 #define OBD_FAIL_TGT_TOOMANY_THREADS 0x706
399 #define OBD_FAIL_TGT_REPLAY_DROP 0x707
400 #define OBD_FAIL_TGT_FAKE_EXP 0x708
401 #define OBD_FAIL_TGT_REPLAY_DELAY 0x709
402 #define OBD_FAIL_TGT_LAST_REPLAY 0x710
403 #define OBD_FAIL_TGT_CLIENT_ADD 0x711
404 #define OBD_FAIL_TGT_RCVG_FLAG 0x712
405 #define OBD_FAIL_TGT_DELAY_CONDITIONAL 0x713
407 #define OBD_FAIL_MDC_REVALIDATE_PAUSE 0x800
408 #define OBD_FAIL_MDC_ENQUEUE_PAUSE 0x801
409 #define OBD_FAIL_MDC_OLD_EXT_FLAGS 0x802
410 #define OBD_FAIL_MDC_GETATTR_ENQUEUE 0x803
411 #define OBD_FAIL_MDC_RPCS_SEM 0x804
412 #define OBD_FAIL_MDC_LIGHTWEIGHT 0x805
414 #define OBD_FAIL_MGS 0x900
415 #define OBD_FAIL_MGS_ALL_REQUEST_NET 0x901
416 #define OBD_FAIL_MGS_ALL_REPLY_NET 0x902
417 #define OBD_FAIL_MGC_PAUSE_PROCESS_LOG 0x903
418 #define OBD_FAIL_MGS_PAUSE_REQ 0x904
419 #define OBD_FAIL_MGS_PAUSE_TARGET_REG 0x905
420 #define OBD_FAIL_MGS_CONNECT_NET 0x906
421 #define OBD_FAIL_MGS_DISCONNECT_NET 0x907
422 #define OBD_FAIL_MGS_SET_INFO_NET 0x908
423 #define OBD_FAIL_MGS_EXCEPTION_NET 0x909
424 #define OBD_FAIL_MGS_TARGET_REG_NET 0x90a
425 #define OBD_FAIL_MGS_TARGET_DEL_NET 0x90b
426 #define OBD_FAIL_MGS_CONFIG_READ_NET 0x90c
428 #define OBD_FAIL_QUOTA_DQACQ_NET 0xA01
429 #define OBD_FAIL_QUOTA_EDQUOT 0xA02
430 #define OBD_FAIL_QUOTA_DELAY_REINT 0xA03
431 #define OBD_FAIL_QUOTA_RECOVERABLE_ERR 0xA04
433 #define OBD_FAIL_LPROC_REMOVE 0xB00
435 #define OBD_FAIL_GENERAL_ALLOC 0xC00
437 #define OBD_FAIL_SEQ 0x1000
438 #define OBD_FAIL_SEQ_QUERY_NET 0x1001
439 #define OBD_FAIL_SEQ_EXHAUST 0x1002
441 #define OBD_FAIL_FLD 0x1100
442 #define OBD_FAIL_FLD_QUERY_NET 0x1101
444 #define OBD_FAIL_SEC_CTX 0x1200
445 #define OBD_FAIL_SEC_CTX_INIT_NET 0x1201
446 #define OBD_FAIL_SEC_CTX_INIT_CONT_NET 0x1202
447 #define OBD_FAIL_SEC_CTX_FINI_NET 0x1203
448 #define OBD_FAIL_SEC_CTX_HDL_PAUSE 0x1204
450 #define OBD_FAIL_LLOG 0x1300
451 #define OBD_FAIL_LLOG_ORIGIN_CONNECT_NET 0x1301
452 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_CREATE_NET 0x1302
453 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_DESTROY_NET 0x1303
454 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_READ_HEADER_NET 0x1304
455 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_NEXT_BLOCK_NET 0x1305
456 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_PREV_BLOCK_NET 0x1306
457 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_WRITE_REC_NET 0x1307
458 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_CLOSE_NET 0x1308
459 #define OBD_FAIL_LLOG_CATINFO_NET 0x1309
460 #define OBD_FAIL_MDS_SYNC_CAPA_SL 0x1310
461 #define OBD_FAIL_SEQ_ALLOC 0x1311
463 #define OBD_FAIL_LLITE 0x1400
464 #define OBD_FAIL_LLITE_FAULT_TRUNC_RACE 0x1401
465 #define OBD_FAIL_LOCK_STATE_WAIT_INTR 0x1402
466 #define OBD_FAIL_LOV_INIT 0x1403
467 #define OBD_FAIL_GLIMPSE_DELAY 0x1404
468 #define OBD_FAIL_LLITE_XATTR_ENOMEM 0x1405
470 #define OBD_FAIL_FID_INDIR 0x1501
471 #define OBD_FAIL_FID_INLMA 0x1502
472 #define OBD_FAIL_FID_IGIF 0x1504
473 #define OBD_FAIL_FID_LOOKUP 0x1505
474 #define OBD_FAIL_FID_NOLMA 0x1506
477 #define OBD_FAIL_LFSCK_DELAY1 0x1600
478 #define OBD_FAIL_LFSCK_DELAY2 0x1601
479 #define OBD_FAIL_LFSCK_DELAY3 0x1602
480 #define OBD_FAIL_LFSCK_LINKEA_CRASH 0x1603
481 #define OBD_FAIL_LFSCK_LINKEA_MORE 0x1604
482 #define OBD_FAIL_LFSCK_LINKEA_MORE2 0x1605
483 #define OBD_FAIL_LFSCK_FATAL1 0x1608
484 #define OBD_FAIL_LFSCK_FATAL2 0x1609
485 #define OBD_FAIL_LFSCK_CRASH 0x160a
486 #define OBD_FAIL_LFSCK_NO_AUTO 0x160b
487 #define OBD_FAIL_LFSCK_NO_DOUBLESCAN 0x160c
490 #define OBD_FAIL_UPDATE_OBJ_NET 0x1700
491 #define OBD_FAIL_UPDATE_OBJ_NET_REP 0x1701
494 /* Assign references to moved code to reduce code changes */
495 #define OBD_FAIL_PRECHECK(id) CFS_FAIL_PRECHECK(id)
496 #define OBD_FAIL_CHECK(id) CFS_FAIL_CHECK(id)
497 #define OBD_FAIL_CHECK_VALUE(id, value) CFS_FAIL_CHECK_VALUE(id, value)
498 #define OBD_FAIL_CHECK_ORSET(id, value) CFS_FAIL_CHECK_ORSET(id, value)
499 #define OBD_FAIL_CHECK_RESET(id, value) CFS_FAIL_CHECK_RESET(id, value)
500 #define OBD_FAIL_RETURN(id, ret) CFS_FAIL_RETURN(id, ret)
501 #define OBD_FAIL_TIMEOUT(id, secs) CFS_FAIL_TIMEOUT(id, secs)
502 #define OBD_FAIL_TIMEOUT_MS(id, ms) CFS_FAIL_TIMEOUT_MS(id, ms)
503 #define OBD_FAIL_TIMEOUT_ORSET(id, value, secs) CFS_FAIL_TIMEOUT_ORSET(id, value, secs)
504 #define OBD_RACE(id) CFS_RACE(id)
505 #define OBD_FAIL_ONCE CFS_FAIL_ONCE
506 #define OBD_FAILED CFS_FAILED
508 extern atomic_t libcfs_kmemory;
510 extern void obd_update_maxusage(void);
512 #if defined (CONFIG_PROC_FS)
513 #define obd_memory_add(size) \
514 lprocfs_counter_add(obd_memory, OBD_MEMORY_STAT, (long)(size))
515 #define obd_memory_sub(size) \
516 lprocfs_counter_sub(obd_memory, OBD_MEMORY_STAT, (long)(size))
517 #define obd_memory_sum() \
518 lprocfs_stats_collector(obd_memory, OBD_MEMORY_STAT, \
519 LPROCFS_FIELDS_FLAGS_SUM)
520 #define obd_pages_add(order) \
521 lprocfs_counter_add(obd_memory, OBD_MEMORY_PAGES_STAT, \
522 (long)(1 << (order)))
523 #define obd_pages_sub(order) \
524 lprocfs_counter_sub(obd_memory, OBD_MEMORY_PAGES_STAT, \
525 (long)(1 << (order)))
526 #define obd_pages_sum() \
527 lprocfs_stats_collector(obd_memory, OBD_MEMORY_PAGES_STAT, \
528 LPROCFS_FIELDS_FLAGS_SUM)
530 extern __u64 obd_memory_max(void);
531 extern __u64 obd_pages_max(void);
535 extern __u64 obd_alloc;
536 extern __u64 obd_pages;
538 extern __u64 obd_max_alloc;
539 extern __u64 obd_max_pages;
541 static inline void obd_memory_add(long size)
544 if (obd_alloc > obd_max_alloc)
545 obd_max_alloc = obd_alloc;
548 static inline void obd_memory_sub(long size)
553 static inline void obd_pages_add(int order)
555 obd_pages += 1<< order;
556 if (obd_pages > obd_max_pages)
557 obd_max_pages = obd_pages;
560 static inline void obd_pages_sub(int order)
562 obd_pages -= 1<< order;
565 #define obd_memory_sum() (obd_alloc)
566 #define obd_pages_sum() (obd_pages)
568 #define obd_memory_max() (obd_max_alloc)
569 #define obd_pages_max() (obd_max_pages)
573 #define OBD_DEBUG_MEMUSAGE (1)
575 #if OBD_DEBUG_MEMUSAGE
576 #define OBD_ALLOC_POST(ptr, size, name) \
577 obd_memory_add(size); \
578 CDEBUG(D_MALLOC, name " '" #ptr "': %d at %p.\n", \
581 #define OBD_FREE_PRE(ptr, size, name) \
583 obd_memory_sub(size); \
584 CDEBUG(D_MALLOC, name " '" #ptr "': %d at %p.\n", \
586 POISON(ptr, 0x5a, size)
588 #else /* !OBD_DEBUG_MEMUSAGE */
590 #define OBD_ALLOC_POST(ptr, size, name) ((void)0)
591 #define OBD_FREE_PRE(ptr, size, name) ((void)0)
593 #endif /* !OBD_DEBUG_MEMUSAGE */
595 #define HAS_FAIL_ALLOC_FLAG OBD_FAIL_CHECK(OBD_FAIL_GENERAL_ALLOC)
597 #define OBD_ALLOC_FAIL_BITS 24
598 #define OBD_ALLOC_FAIL_MASK ((1 << OBD_ALLOC_FAIL_BITS) - 1)
599 #define OBD_ALLOC_FAIL_MULT (OBD_ALLOC_FAIL_MASK / 100)
601 #if defined(LUSTRE_UTILS) /* this version is for utils only */
602 #define __OBD_MALLOC_VERBOSE(ptr, cptab, cpt, size, flags) \
604 (ptr) = (cptab) == NULL ? \
605 kmalloc(size, flags) : \
606 kmalloc_node(size, flags, cfs_cpt_spread_node(cptab, cpt)); \
607 if (unlikely((ptr) == NULL)) { \
608 CERROR("kmalloc of '" #ptr "' (%d bytes) failed at %s:%d\n", \
609 (int)(size), __FILE__, __LINE__); \
611 memset(ptr, 0, size); \
612 CDEBUG(D_MALLOC, "kmalloced '" #ptr "': %d at %p\n", \
617 #else /* this version is for the kernel and liblustre */
618 #define OBD_FREE_RTN0(ptr) \
625 #define __OBD_MALLOC_VERBOSE(ptr, cptab, cpt, size, flags) \
627 (ptr) = (cptab) == NULL ? \
628 kmalloc(size, flags | __GFP_ZERO) : \
629 kmalloc_node(size, flags | __GFP_ZERO, \
630 cfs_cpt_spread_node(cptab, cpt)); \
631 if (likely((ptr) != NULL && \
632 (!HAS_FAIL_ALLOC_FLAG || obd_alloc_fail_rate == 0 || \
633 !obd_alloc_fail(ptr, #ptr, "km", size, \
634 __FILE__, __LINE__) || \
635 OBD_FREE_RTN0(ptr)))){ \
636 OBD_ALLOC_POST(ptr, size, "kmalloced"); \
641 #define OBD_ALLOC_GFP(ptr, size, gfp_mask) \
642 __OBD_MALLOC_VERBOSE(ptr, NULL, 0, size, gfp_mask)
644 #define OBD_ALLOC(ptr, size) OBD_ALLOC_GFP(ptr, size, GFP_NOFS)
645 #define OBD_ALLOC_WAIT(ptr, size) OBD_ALLOC_GFP(ptr, size, GFP_KERNEL)
646 #define OBD_ALLOC_PTR(ptr) OBD_ALLOC(ptr, sizeof(*(ptr)))
647 #define OBD_ALLOC_PTR_WAIT(ptr) OBD_ALLOC_WAIT(ptr, sizeof(*(ptr)))
649 #define OBD_CPT_ALLOC_GFP(ptr, cptab, cpt, size, gfp_mask) \
650 __OBD_MALLOC_VERBOSE(ptr, cptab, cpt, size, gfp_mask)
652 #define OBD_CPT_ALLOC(ptr, cptab, cpt, size) \
653 OBD_CPT_ALLOC_GFP(ptr, cptab, cpt, size, GFP_NOFS)
655 #define OBD_CPT_ALLOC_PTR(ptr, cptab, cpt) \
656 OBD_CPT_ALLOC(ptr, cptab, cpt, sizeof(*(ptr)))
658 # define __OBD_VMALLOC_VEROBSE(ptr, cptab, cpt, size) \
660 (ptr) = cptab == NULL ? \
662 vzalloc_node(size, cfs_cpt_spread_node(cptab, cpt)); \
663 if (unlikely((ptr) == NULL)) { \
664 CERROR("vmalloc of '" #ptr "' (%d bytes) failed\n", \
666 CERROR("%llu total bytes allocated by Lustre, %d by LNET\n", \
667 obd_memory_sum(), atomic_read(&libcfs_kmemory)); \
669 OBD_ALLOC_POST(ptr, size, "vmalloced"); \
673 # define OBD_VMALLOC(ptr, size) \
674 __OBD_VMALLOC_VEROBSE(ptr, NULL, 0, size)
675 # define OBD_CPT_VMALLOC(ptr, cptab, cpt, size) \
676 __OBD_VMALLOC_VEROBSE(ptr, cptab, cpt, size)
679 /* Allocations above this size are considered too big and could not be done
682 * Be very careful when changing this value, especially when decreasing it,
683 * since vmalloc in Linux doesn't perform well on multi-cores system, calling
684 * vmalloc in critical path would hurt performance badly. See LU-66.
686 #define OBD_ALLOC_BIG (4 * PAGE_CACHE_SIZE)
688 #define OBD_ALLOC_LARGE(ptr, size) \
690 if (size > OBD_ALLOC_BIG) \
691 OBD_VMALLOC(ptr, size); \
693 OBD_ALLOC(ptr, size); \
696 #define OBD_CPT_ALLOC_LARGE(ptr, cptab, cpt, size) \
698 if (size > OBD_ALLOC_BIG) \
699 OBD_CPT_VMALLOC(ptr, cptab, cpt, size); \
701 OBD_CPT_ALLOC(ptr, cptab, cpt, size); \
704 #define OBD_FREE_LARGE(ptr, size) \
706 if (size > OBD_ALLOC_BIG) \
707 OBD_VFREE(ptr, size); \
709 OBD_FREE(ptr, size); \
713 #ifdef CONFIG_DEBUG_SLAB
714 #define POISON(ptr, c, s) do {} while (0)
715 #define POISON_PTR(ptr) ((void)0)
717 #define POISON(ptr, c, s) memset(ptr, c, s)
718 #define POISON_PTR(ptr) (ptr) = (void *)0xdeadbeef
722 #define POISON_PAGE(page, val) do { memset(kmap(page), val, PAGE_CACHE_SIZE); \
723 kunmap(page); } while (0)
725 #define POISON_PAGE(page, val) do { } while (0)
728 #define OBD_FREE(ptr, size) \
730 OBD_FREE_PRE(ptr, size, "kfreed"); \
736 #define OBD_FREE_RCU(ptr, size, handle) \
738 struct portals_handle *__h = (handle); \
740 LASSERT(handle != NULL); \
741 __h->h_cookie = (unsigned long)(ptr); \
742 __h->h_size = (size); \
743 call_rcu(&__h->h_rcu, class_handle_free_cb); \
748 #define OBD_VFREE(ptr, size) \
750 OBD_FREE_PRE(ptr, size, "vfreed"); \
755 /* we memset() the slab object to 0 when allocation succeeds, so DO NOT
756 * HAVE A CTOR THAT DOES ANYTHING. its work will be cleared here. we'd
757 * love to assert on that, but slab.c keeps kmem_cache_s all to itself. */
758 #define OBD_SLAB_FREE_RTN0(ptr, slab) \
760 kmem_cache_free((slab), (ptr)); \
765 #define __OBD_SLAB_ALLOC_VERBOSE(ptr, slab, cptab, cpt, size, type) \
767 LASSERT(ergo((type) != GFP_ATOMIC, !in_interrupt())); \
768 (ptr) = (cptab) == NULL ? \
769 kmem_cache_alloc(slab, type | __GFP_ZERO) : \
770 kmem_cache_alloc_node(slab, type | __GFP_ZERO, \
771 cfs_cpt_spread_node(cptab, cpt)); \
772 if (likely((ptr) != NULL && \
773 (!HAS_FAIL_ALLOC_FLAG || obd_alloc_fail_rate == 0 || \
774 !obd_alloc_fail(ptr, #ptr, "slab-", size, \
775 __FILE__, __LINE__) || \
776 OBD_SLAB_FREE_RTN0(ptr, slab)))) { \
777 OBD_ALLOC_POST(ptr, size, "slab-alloced"); \
781 #define OBD_SLAB_ALLOC_GFP(ptr, slab, size, flags) \
782 __OBD_SLAB_ALLOC_VERBOSE(ptr, slab, NULL, 0, size, flags)
783 #define OBD_SLAB_CPT_ALLOC_GFP(ptr, slab, cptab, cpt, size, flags) \
784 __OBD_SLAB_ALLOC_VERBOSE(ptr, slab, cptab, cpt, size, flags)
786 #define OBD_FREE_PTR(ptr) OBD_FREE(ptr, sizeof(*(ptr)))
788 #define OBD_SLAB_FREE(ptr, slab, size) \
790 OBD_FREE_PRE(ptr, size, "slab-freed"); \
791 kmem_cache_free(slab, ptr); \
795 #define OBD_SLAB_ALLOC(ptr, slab, size) \
796 OBD_SLAB_ALLOC_GFP(ptr, slab, size, GFP_NOFS)
798 #define OBD_SLAB_CPT_ALLOC(ptr, slab, cptab, cpt, size) \
799 OBD_SLAB_CPT_ALLOC_GFP(ptr, slab, cptab, cpt, size, GFP_NOFS)
801 #define OBD_SLAB_ALLOC_PTR(ptr, slab) \
802 OBD_SLAB_ALLOC(ptr, slab, sizeof(*(ptr)))
804 #define OBD_SLAB_CPT_ALLOC_PTR(ptr, slab, cptab, cpt) \
805 OBD_SLAB_CPT_ALLOC(ptr, slab, cptab, cpt, sizeof(*(ptr)))
807 #define OBD_SLAB_ALLOC_PTR_GFP(ptr, slab, flags) \
808 OBD_SLAB_ALLOC_GFP(ptr, slab, sizeof(*(ptr)), flags)
810 #define OBD_SLAB_CPT_ALLOC_PTR_GFP(ptr, slab, cptab, cpt, flags) \
811 OBD_SLAB_CPT_ALLOC_GFP(ptr, slab, cptab, cpt, sizeof(*(ptr)), flags)
813 #define OBD_SLAB_FREE_PTR(ptr, slab) \
814 OBD_SLAB_FREE((ptr), (slab), sizeof(*(ptr)))
816 #define KEY_IS(str) \
817 (keylen >= (sizeof(str)-1) && memcmp(key, str, (sizeof(str)-1)) == 0)
819 /* Wrapper for contiguous page frame allocation */
820 #define __OBD_PAGE_ALLOC_VERBOSE(ptr, cptab, cpt, gfp_mask) \
822 (ptr) = (cptab) == NULL ? \
823 alloc_page(gfp_mask) : \
824 alloc_pages_node(cfs_cpt_spread_node(cptab, cpt), gfp_mask, 0);\
825 if (unlikely((ptr) == NULL)) { \
826 CERROR("alloc_pages of '" #ptr "' %d page(s) / %llu bytes "\
827 "failed\n", (int)1, \
828 (__u64)(1 << PAGE_CACHE_SHIFT)); \
829 CERROR("%llu total bytes and %llu total pages " \
830 "(%llu bytes) allocated by Lustre, " \
831 "%d total bytes by LNET\n", \
833 obd_pages_sum() << PAGE_CACHE_SHIFT, \
835 atomic_read(&libcfs_kmemory)); \
838 CDEBUG(D_MALLOC, "alloc_pages '" #ptr "': %d page(s) / " \
839 "%llu bytes at %p.\n", \
841 (__u64)(1 << PAGE_CACHE_SHIFT), ptr); \
845 #define OBD_PAGE_ALLOC(ptr, gfp_mask) \
846 __OBD_PAGE_ALLOC_VERBOSE(ptr, NULL, 0, gfp_mask)
847 #define OBD_PAGE_CPT_ALLOC(ptr, cptab, cpt, gfp_mask) \
848 __OBD_PAGE_ALLOC_VERBOSE(ptr, cptab, cpt, gfp_mask)
850 #define OBD_PAGE_FREE(ptr) \
854 CDEBUG(D_MALLOC, "free_pages '" #ptr "': %d page(s) / %llu bytes " \
856 (int)1, (__u64)(1 << PAGE_CACHE_SHIFT), \
859 (ptr) = (void *)0xdeadbeef; \
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