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 2008 Sun Microsystems, Inc. All rights reserved
30 * Use is subject to license terms.
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,
63 OBD_FAIL_LOC_NOSET = 0,
64 OBD_FAIL_LOC_ORSET = 1,
65 OBD_FAIL_LOC_RESET = 2
68 extern unsigned long obd_fail_loc;
69 extern unsigned int obd_fail_val;
70 extern unsigned int obd_debug_peer_on_timeout;
71 extern unsigned int obd_dump_on_timeout;
72 extern unsigned int obd_dump_on_eviction;
73 /* obd_timeout should only be used for recovery, not for
74 networking / disk / timings affected by load (use Adaptive Timeouts) */
75 extern unsigned int obd_timeout; /* seconds */
76 extern unsigned int ldlm_timeout; /* seconds */
77 extern unsigned int obd_sync_filter;
78 extern unsigned int obd_max_dirty_pages;
79 extern atomic_t obd_dirty_pages;
80 extern atomic_t obd_dirty_transit_pages;
81 extern cfs_waitq_t obd_race_waitq;
82 extern int obd_race_state;
83 extern unsigned int obd_alloc_fail_rate;
85 int __obd_fail_check_set(__u32 id, __u32 value, int set);
86 int __obd_fail_timeout_set(__u32 id, __u32 value, int ms, int set);
89 int obd_alloc_fail(const void *ptr, const char *name, const char *type,
90 size_t size, const char *file, int line);
92 /* Timeout definitions */
93 #define OBD_TIMEOUT_DEFAULT 100
94 #define LDLM_TIMEOUT_DEFAULT 20
95 #define MDS_LDLM_TIMEOUT_DEFAULT 6
96 /* Time to wait for all clients to reconnect during recovery */
97 /* Should be very conservative; must catch the first reconnect after reboot */
98 #define OBD_RECOVERY_FACTOR (3) /* times obd_timeout */
99 /* Change recovery-small 26b time if you change this */
100 #define PING_INTERVAL max(obd_timeout / 4, 1U)
101 /* Client may skip 1 ping; we must wait at least 2.5. But for multiple
102 * failover targets the client only pings one server at a time, and pings
103 * can be lost on a loaded network. Since eviction has serious consequences,
104 * and there's no urgent need to evict a client just because it's idle, we
105 * should be very conservative here. */
106 #define PING_EVICT_TIMEOUT (PING_INTERVAL * 6)
107 #define DISK_TIMEOUT 50 /* Beyond this we warn about disk speed */
108 #define CONNECTION_SWITCH_MIN 5U /* Connection switching rate limiter */
109 /* Max connect interval for nonresponsive servers; ~50s to avoid building up
110 connect requests in the LND queues, but within obd_timeout so we don't
111 miss the recovery window */
112 #define CONNECTION_SWITCH_MAX min(50U, max(CONNECTION_SWITCH_MIN,obd_timeout))
113 #define CONNECTION_SWITCH_INC 5 /* Connection timeout backoff */
115 /* In general this should be low to have quick detection of a system
116 running on a backup server. (If it's too low, import_select_connection
117 will increase the timeout anyhow.) */
118 #define INITIAL_CONNECT_TIMEOUT max(CONNECTION_SWITCH_MIN,obd_timeout/20)
120 /* ...but for very large systems (e.g. CRAY) we need to keep the initial
121 connect t.o. high (bz 10803), because they will nearly ALWAYS be doing the
122 connects for the first time (clients "reboot" after every process, so no
123 chance to generate adaptive timeout data. */
124 #define INITIAL_CONNECT_TIMEOUT max(CONNECTION_SWITCH_MIN,obd_timeout/2)
126 #define LONG_UNLINK 300 /* Unlink should happen before now */
129 * Time interval of shrink, if the client is "idle" more than this interval,
130 * then the ll_grant thread will return the requested grant space to filter
132 #define GRANT_SHRINK_INTERVAL 360/*6 minutes*/
135 #define OBD_FAIL_MDS 0x100
136 #define OBD_FAIL_MDS_HANDLE_UNPACK 0x101
137 #define OBD_FAIL_MDS_GETATTR_NET 0x102
138 #define OBD_FAIL_MDS_GETATTR_PACK 0x103
139 #define OBD_FAIL_MDS_READPAGE_NET 0x104
140 #define OBD_FAIL_MDS_READPAGE_PACK 0x105
141 #define OBD_FAIL_MDS_SENDPAGE 0x106
142 #define OBD_FAIL_MDS_REINT_NET 0x107
143 #define OBD_FAIL_MDS_REINT_UNPACK 0x108
144 #define OBD_FAIL_MDS_REINT_SETATTR 0x109
145 #define OBD_FAIL_MDS_REINT_SETATTR_WRITE 0x10a
146 #define OBD_FAIL_MDS_REINT_CREATE 0x10b
147 #define OBD_FAIL_MDS_REINT_CREATE_WRITE 0x10c
148 #define OBD_FAIL_MDS_REINT_UNLINK 0x10d
149 #define OBD_FAIL_MDS_REINT_UNLINK_WRITE 0x10e
150 #define OBD_FAIL_MDS_REINT_LINK 0x10f
151 #define OBD_FAIL_MDS_REINT_LINK_WRITE 0x110
152 #define OBD_FAIL_MDS_REINT_RENAME 0x111
153 #define OBD_FAIL_MDS_REINT_RENAME_WRITE 0x112
154 #define OBD_FAIL_MDS_OPEN_NET 0x113
155 #define OBD_FAIL_MDS_OPEN_PACK 0x114
156 #define OBD_FAIL_MDS_CLOSE_NET 0x115
157 #define OBD_FAIL_MDS_CLOSE_PACK 0x116
158 #define OBD_FAIL_MDS_CONNECT_NET 0x117
159 #define OBD_FAIL_MDS_CONNECT_PACK 0x118
160 #define OBD_FAIL_MDS_REINT_NET_REP 0x119
161 #define OBD_FAIL_MDS_DISCONNECT_NET 0x11a
162 #define OBD_FAIL_MDS_GETSTATUS_NET 0x11b
163 #define OBD_FAIL_MDS_GETSTATUS_PACK 0x11c
164 #define OBD_FAIL_MDS_STATFS_PACK 0x11d
165 #define OBD_FAIL_MDS_STATFS_NET 0x11e
166 #define OBD_FAIL_MDS_GETATTR_NAME_NET 0x11f
167 #define OBD_FAIL_MDS_PIN_NET 0x120
168 #define OBD_FAIL_MDS_UNPIN_NET 0x121
169 #define OBD_FAIL_MDS_ALL_REPLY_NET 0x122
170 #define OBD_FAIL_MDS_ALL_REQUEST_NET 0x123
171 #define OBD_FAIL_MDS_SYNC_NET 0x124
172 #define OBD_FAIL_MDS_SYNC_PACK 0x125
173 #define OBD_FAIL_MDS_DONE_WRITING_NET 0x126
174 #define OBD_FAIL_MDS_DONE_WRITING_PACK 0x127
175 #define OBD_FAIL_MDS_ALLOC_OBDO 0x128
176 #define OBD_FAIL_MDS_PAUSE_OPEN 0x129
177 #define OBD_FAIL_MDS_STATFS_LCW_SLEEP 0x12a
178 #define OBD_FAIL_MDS_OPEN_CREATE 0x12b
179 #define OBD_FAIL_MDS_OST_SETATTR 0x12c
180 #define OBD_FAIL_MDS_QUOTACHECK_NET 0x12d
181 #define OBD_FAIL_MDS_QUOTACTL_NET 0x12e
182 #define OBD_FAIL_MDS_CLIENT_ADD 0x12f
183 #define OBD_FAIL_MDS_GETXATTR_NET 0x130
184 #define OBD_FAIL_MDS_GETXATTR_PACK 0x131
185 #define OBD_FAIL_MDS_SETXATTR_NET 0x132
186 #define OBD_FAIL_MDS_SETXATTR 0x133
187 #define OBD_FAIL_MDS_SETXATTR_WRITE 0x134
188 #define OBD_FAIL_MDS_FS_SETUP 0x135
189 #define OBD_FAIL_MDS_RESEND 0x136
190 #define OBD_FAIL_MDS_LLOG_CREATE_FAILED 0x137
191 #define OBD_FAIL_MDS_LOV_SYNC_RACE 0x138
192 #define OBD_FAIL_MDS_OSC_PRECREATE 0x139
193 #define OBD_FAIL_MDS_LLOG_SYNC_TIMEOUT 0x13a
194 #define OBD_FAIL_MDS_CLOSE_NET_REP 0x13b
195 #define OBD_FAIL_MDS_BLOCK_QUOTA_REQ 0x13c
196 #define OBD_FAIL_MDS_DROP_QUOTA_REQ 0x13d
197 #define OBD_FAIL_MDS_REMOVE_COMMON_EA 0x13e
198 #define OBD_FAIL_MDS_ALLOW_COMMON_EA_SETTING 0x13f
201 #define OBD_FAIL_MDS_IS_SUBDIR_NET 0x180
202 #define OBD_FAIL_MDS_IS_SUBDIR_PACK 0x181
203 #define OBD_FAIL_MDS_SET_INFO_NET 0x182
204 #define OBD_FAIL_MDS_WRITEPAGE_NET 0x183
205 #define OBD_FAIL_MDS_WRITEPAGE_PACK 0x184
206 #define OBD_FAIL_MDS_RECOVERY_ACCEPTS_GAPS 0x185
208 #define OBD_FAIL_OST 0x200
209 #define OBD_FAIL_OST_CONNECT_NET 0x201
210 #define OBD_FAIL_OST_DISCONNECT_NET 0x202
211 #define OBD_FAIL_OST_GET_INFO_NET 0x203
212 #define OBD_FAIL_OST_CREATE_NET 0x204
213 #define OBD_FAIL_OST_DESTROY_NET 0x205
214 #define OBD_FAIL_OST_GETATTR_NET 0x206
215 #define OBD_FAIL_OST_SETATTR_NET 0x207
216 #define OBD_FAIL_OST_OPEN_NET 0x208
217 #define OBD_FAIL_OST_CLOSE_NET 0x209
218 #define OBD_FAIL_OST_BRW_NET 0x20a
219 #define OBD_FAIL_OST_PUNCH_NET 0x20b
220 #define OBD_FAIL_OST_STATFS_NET 0x20c
221 #define OBD_FAIL_OST_HANDLE_UNPACK 0x20d
222 #define OBD_FAIL_OST_BRW_WRITE_BULK 0x20e
223 #define OBD_FAIL_OST_BRW_READ_BULK 0x20f
224 #define OBD_FAIL_OST_SYNC_NET 0x210
225 #define OBD_FAIL_OST_ALL_REPLY_NET 0x211
226 #define OBD_FAIL_OST_ALL_REQUEST_NET 0x212
227 #define OBD_FAIL_OST_LDLM_REPLY_NET 0x213
228 #define OBD_FAIL_OST_BRW_PAUSE_BULK 0x214
229 #define OBD_FAIL_OST_ENOSPC 0x215
230 #define OBD_FAIL_OST_EROFS 0x216
231 #define OBD_FAIL_OST_ENOENT 0x217
232 #define OBD_FAIL_OST_QUOTACHECK_NET 0x218
233 #define OBD_FAIL_OST_QUOTACTL_NET 0x219
234 #define OBD_FAIL_OST_CHECKSUM_RECEIVE 0x21a
235 #define OBD_FAIL_OST_CHECKSUM_SEND 0x21b
236 #define OBD_FAIL_OST_BRW_SIZE 0x21c
237 #define OBD_FAIL_OST_DROP_REQ 0x21d
238 #define OBD_FAIL_OST_SETATTR_CREDITS 0x21e
239 #define OBD_FAIL_OST_HOLD_WRITE_RPC 0x21f
240 #define OBD_FAIL_OST_BRW_WRITE_BULK2 0x220
241 #define OBD_FAIL_OST_LLOG_RECOVERY_TIMEOUT 0x221
242 #define OBD_FAIL_OST_CANCEL_COOKIE_TIMEOUT 0x222
243 #define OBD_FAIL_OST_PAUSE_CREATE 0x223
244 #define OBD_FAIL_OST_BRW_PAUSE_PACK 0x224
245 #define OBD_FAIL_OST_CONNECT_NET2 0x225
246 #define OBD_FAIL_OST_NOMEM 0x226
248 #define OBD_FAIL_LDLM 0x300
249 #define OBD_FAIL_LDLM_NAMESPACE_NEW 0x301
250 #define OBD_FAIL_LDLM_ENQUEUE 0x302
251 #define OBD_FAIL_LDLM_CONVERT 0x303
252 #define OBD_FAIL_LDLM_CANCEL 0x304
253 #define OBD_FAIL_LDLM_BL_CALLBACK 0x305
254 #define OBD_FAIL_LDLM_CP_CALLBACK 0x306
255 #define OBD_FAIL_LDLM_GL_CALLBACK 0x307
256 #define OBD_FAIL_LDLM_ENQUEUE_EXTENT_ERR 0x308
257 #define OBD_FAIL_LDLM_ENQUEUE_INTENT_ERR 0x309
258 #define OBD_FAIL_LDLM_CREATE_RESOURCE 0x30a
259 #define OBD_FAIL_LDLM_ENQUEUE_BLOCKED 0x30b
260 #define OBD_FAIL_LDLM_REPLY 0x30c
261 #define OBD_FAIL_LDLM_RECOV_CLIENTS 0x30d
262 #define OBD_FAIL_LDLM_ENQUEUE_OLD_EXPORT 0x30e
263 #define OBD_FAIL_LDLM_GLIMPSE 0x30f
264 #define OBD_FAIL_LDLM_CANCEL_RACE 0x310
265 #define OBD_FAIL_LDLM_CANCEL_EVICT_RACE 0x311
266 #define OBD_FAIL_LDLM_PAUSE_CANCEL 0x312
267 #define OBD_FAIL_LDLM_CLOSE_THREAD 0x313
268 #define OBD_FAIL_LDLM_CANCEL_BL_CB_RACE 0x314
269 #define OBD_FAIL_LDLM_CP_CB_WAIT 0x315
270 #define OBD_FAIL_LDLM_OST_FAIL_RACE 0x316
271 #define OBD_FAIL_LDLM_INTR_CP_AST 0x317
272 #define OBD_FAIL_LDLM_CP_BL_RACE 0x318
275 #define OBD_FAIL_LDLM_SET_CONTENTION 0x385
277 #define OBD_FAIL_OSC 0x400
278 #define OBD_FAIL_OSC_BRW_READ_BULK 0x401
279 #define OBD_FAIL_OSC_BRW_WRITE_BULK 0x402
280 #define OBD_FAIL_OSC_LOCK_BL_AST 0x403
281 #define OBD_FAIL_OSC_LOCK_CP_AST 0x404
282 #define OBD_FAIL_OSC_MATCH 0x405
283 #define OBD_FAIL_OSC_BRW_PREP_REQ 0x406
284 #define OBD_FAIL_OSC_SHUTDOWN 0x407
285 #define OBD_FAIL_OSC_CHECKSUM_RECEIVE 0x408
286 #define OBD_FAIL_OSC_CHECKSUM_SEND 0x409
287 #define OBD_FAIL_OSC_BRW_PREP_REQ2 0x40a
288 #define OBD_FAIL_OSC_CONNECT_CKSUM 0x40b
289 #define OBD_FAIL_OSC_CKSUM_ADLER_ONLY 0x40c
290 #define OBD_FAIL_OSC_DIO_PAUSE 0x40d
291 #define OBD_FAIL_OSC_OBJECT_CONTENTION 0x40e
293 #define OBD_FAIL_PTLRPC 0x500
294 #define OBD_FAIL_PTLRPC_ACK 0x501
295 #define OBD_FAIL_PTLRPC_RQBD 0x502
296 #define OBD_FAIL_PTLRPC_BULK_GET_NET 0x503
297 #define OBD_FAIL_PTLRPC_BULK_PUT_NET 0x504
298 #define OBD_FAIL_PTLRPC_DROP_RPC 0x505
299 #define OBD_FAIL_PTLRPC_DELAY_SEND 0x506
300 #define OBD_FAIL_PTLRPC_DELAY_RECOV 0x507
301 #define OBD_FAIL_PTLRPC_CLIENT_BULK_CB 0x508
302 #define OBD_FAIL_PTLRPC_PAUSE_REQ 0x50a
303 #define OBD_FAIL_PTLRPC_PAUSE_REP 0x50c
304 #define OBD_FAIL_PTLRPC_IMP_DEACTIVE 0x50d
306 #define OBD_FAIL_PTLRPC_DUMP_LOG 0x50e
307 #define OBD_FAIL_PTLRPC_LONG_REPL_UNLINK 0x50f
308 #define OBD_FAIL_PTLRPC_LONG_BULK_UNLINK 0x510
309 #define OBD_FAIL_PTLRPC_HPREQ_TIMEOUT 0x511
310 #define OBD_FAIL_PTLRPC_HPREQ_NOTIMEOUT 0x512
312 #define OBD_FAIL_OBD_PING_NET 0x600
313 #define OBD_FAIL_OBD_LOG_CANCEL_NET 0x601
314 #define OBD_FAIL_OBD_LOGD_NET 0x602
315 #define OBD_FAIL_OBD_QC_CALLBACK_NET 0x603
316 #define OBD_FAIL_OBD_DQACQ 0x604
317 #define OBD_FAIL_OBD_LLOG_SETUP 0x605
318 #define OBD_FAIL_OBD_LOG_CANCEL_REP 0x606
320 #define OBD_FAIL_TGT_REPLY_NET 0x700
321 #define OBD_FAIL_TGT_CONN_RACE 0x701
322 #define OBD_FAIL_TGT_FORCE_RECONNECT 0x702
323 #define OBD_FAIL_TGT_DELAY_CONNECT 0x703
324 #define OBD_FAIL_TGT_DELAY_RECONNECT 0x704
325 #define OBD_FAIL_TGT_DELAY_PRECREATE 0x705
326 #define OBD_FAIL_TGT_TOOMANY_THREADS 0x706
327 #define OBD_FAIL_TGT_REPLAY_DROP 0x707
328 #define OBD_FAIL_TGT_FAKE_EXP 0x708
329 #define OBD_FAIL_TGT_REPLAY_DELAY 0x709
331 #define OBD_FAIL_MDC_REVALIDATE_PAUSE 0x800
332 #define OBD_FAIL_MDC_ENQUEUE_PAUSE 0x801
333 #define OBD_FAIL_MDC_OLD_EXT_FLAGS 0x802
334 #define OBD_FAIL_MDC_GETATTR_ENQUEUE 0x803
336 #define OBD_FAIL_MGS 0x900
337 #define OBD_FAIL_MGS_ALL_REQUEST_NET 0x901
338 #define OBD_FAIL_MGS_ALL_REPLY_NET 0x902
339 #define OBD_FAIL_MGC_PAUSE_PROCESS_LOG 0x903
340 #define OBD_FAIL_MGS_PAUSE_REQ 0x904
341 #define OBD_FAIL_MGS_PAUSE_TARGET_REG 0x905
343 #define OBD_FAIL_QUOTA_RET_QDATA 0xA02
344 #define OBD_FAIL_QUOTA_DELAY_REL 0xA03
346 #define OBD_FAIL_LPROC_REMOVE 0xB00
348 #define OBD_FAIL_GENERAL_ALLOC 0xC00
350 #define OBD_FAIL_SEQ 0x1000
351 #define OBD_FAIL_SEQ_QUERY_NET 0x1001
353 #define OBD_FAIL_FLD 0x1100
354 #define OBD_FAIL_FLD_QUERY_NET 0x1101
356 #define OBD_FAIL_SEC_CTX 0x1200
357 #define OBD_FAIL_SEC_CTX_INIT_NET 0x1201
358 #define OBD_FAIL_SEC_CTX_INIT_CONT_NET 0x1202
359 #define OBD_FAIL_SEC_CTX_FINI_NET 0x1203
360 #define OBD_FAIL_SEC_CTX_HDL_PAUSE 0x1204
362 #define OBD_FAIL_LLOG 0x1300
363 #define OBD_FAIL_LLOG_ORIGIN_CONNECT_NET 0x1301
364 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_CREATE_NET 0x1302
365 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_DESTROY_NET 0x1303
366 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_READ_HEADER_NET 0x1304
367 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_NEXT_BLOCK_NET 0x1305
368 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_PREV_BLOCK_NET 0x1306
369 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_WRITE_REC_NET 0x1307
370 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_CLOSE_NET 0x1308
371 #define OBD_FAIL_LLOG_CATINFO_NET 0x1309
374 /* Failure injection control */
375 #define OBD_FAIL_MASK_SYS 0x0000FF00
376 #define OBD_FAIL_MASK_LOC (0x000000FF | OBD_FAIL_MASK_SYS)
378 #define OBD_FAILED_BIT 30
379 /* OBD_FAILED is 0x40000000 */
380 #define OBD_FAILED (1 << OBD_FAILED_BIT)
382 #define OBD_FAIL_ONCE_BIT 31
383 /* OBD_FAIL_ONCE is 0x80000000 */
384 #define OBD_FAIL_ONCE (1 << OBD_FAIL_ONCE_BIT)
386 /* The following flags aren't made to be combined */
387 #define OBD_FAIL_SKIP 0x20000000 /* skip N times then fail */
388 #define OBD_FAIL_SOME 0x10000000 /* only fail N times */
389 #define OBD_FAIL_RAND 0x08000000 /* fail 1/N of the times */
390 #define OBD_FAIL_USR1 0x04000000 /* user flag */
392 #define OBD_FAIL_PRECHECK(id) (obd_fail_loc && \
393 (obd_fail_loc & OBD_FAIL_MASK_LOC) == \
394 ((id) & OBD_FAIL_MASK_LOC))
396 static inline int obd_fail_check_set(__u32 id, __u32 value, int set)
399 if (unlikely(OBD_FAIL_PRECHECK(id) &&
400 (ret = __obd_fail_check_set(id, value, set)))) {
401 CERROR("*** obd_fail_loc=%x ***\n", id);
406 /* If id hit obd_fail_loc, return 1, otherwise return 0 */
407 #define OBD_FAIL_CHECK(id) \
408 obd_fail_check_set(id, 0, OBD_FAIL_LOC_NOSET)
410 /* If id hit obd_fail_loc, obd_fail_loc |= value and return 1,
411 * otherwise return 0 */
412 #define OBD_FAIL_CHECK_ORSET(id, value) \
413 obd_fail_check_set(id, value, OBD_FAIL_LOC_ORSET)
415 /* If id hit obd_fail_loc, obd_fail_loc = value and return 1,
416 * otherwise return 0 */
417 #define OBD_FAIL_CHECK_RESET(id, value) \
418 obd_fail_check_set(id, value, OBD_FAIL_LOC_RESET)
421 static inline int obd_fail_timeout_set(__u32 id, __u32 value, int ms, int set)
423 if (unlikely(OBD_FAIL_PRECHECK(id)))
424 return __obd_fail_timeout_set(id, value, ms, set);
429 /* If id hit obd_fail_loc, sleep for seconds or milliseconds */
430 #define OBD_FAIL_TIMEOUT(id, secs) \
431 obd_fail_timeout_set(id, 0, secs * 1000, OBD_FAIL_LOC_NOSET)
433 #define OBD_FAIL_TIMEOUT_MS(id, ms) \
434 obd_fail_timeout_set(id, 0, ms, OBD_FAIL_LOC_NOSET)
436 /* If id hit obd_fail_loc, obd_fail_loc |= value and
437 * sleep seconds or milliseconds */
438 #define OBD_FAIL_TIMEOUT_ORSET(id, value, secs) \
439 obd_fail_timeout_set(id, value, secs * 1000, OBD_FAIL_LOC_ORSET)
441 #define OBD_FAIL_TIMEOUT_MS_ORSET(id, value, ms) \
442 obd_fail_timeout_set(id, value, ms, OBD_FAIL_LOC_ORSET)
445 static inline void obd_fail_write(int id, struct super_block *sb)
447 /* We set FAIL_ONCE because we never "un-fail" a device */
448 if (OBD_FAIL_CHECK_ORSET(id & ~OBD_FAIL_ONCE, OBD_FAIL_ONCE)) {
450 BDEVNAME_DECLARE_STORAGE(tmp);
451 CERROR("obd_fail_loc=%x, fail write operation on %s\n",
452 id, ll_bdevname(sb, tmp));
454 /* TODO-CMD: fix getting jdev */
455 __lvfs_set_rdonly(lvfs_sbdev(sb), (lvfs_sbdev_type)0);
458 #define OBD_FAIL_WRITE(id, sb) obd_fail_write(id, sb)
460 /* The idea here is to synchronise two threads to force a race. The
461 * first thread that calls this with a matching fail_loc is put to
462 * sleep. The next thread that calls with the same fail_loc wakes up
463 * the first and continues. */
464 static inline void obd_race(__u32 id)
466 if (OBD_FAIL_PRECHECK(id)) {
467 if (unlikely(__obd_fail_check_set(id, 0, OBD_FAIL_LOC_NOSET))) {
469 CERROR("obd_race id %x sleeping\n", id);
470 OBD_SLEEP_ON(obd_race_waitq, obd_race_state != 0);
471 CERROR("obd_fail_race id %x awake\n", id);
473 CERROR("obd_fail_race id %x waking\n", id);
475 wake_up(&obd_race_waitq);
479 #define OBD_RACE(id) obd_race(id)
481 /* sigh. an expedient fix until OBD_RACE is fixed up */
482 #define OBD_RACE(foo) do {} while(0)
485 #define fixme() CDEBUG(D_OTHER, "FIXME\n");
487 extern atomic_t libcfs_kmemory;
490 #define obd_memory_add(size) \
491 lprocfs_counter_add(obd_memory, OBD_MEMORY_STAT, (long)(size))
492 #define obd_memory_sub(size) \
493 lprocfs_counter_sub(obd_memory, OBD_MEMORY_STAT, (long)(size))
494 #define obd_memory_sum() \
495 lprocfs_stats_collector(obd_memory, OBD_MEMORY_STAT, \
496 LPROCFS_FIELDS_FLAGS_SUM)
497 #define obd_pages_add(order) \
498 lprocfs_counter_add(obd_memory, OBD_MEMORY_PAGES_STAT, \
499 (long)(1 << (order)))
500 #define obd_pages_sub(order) \
501 lprocfs_counter_sub(obd_memory, OBD_MEMORY_PAGES_STAT, \
502 (long)(1 << (order)))
503 #define obd_pages_sum() \
504 lprocfs_stats_collector(obd_memory, OBD_MEMORY_PAGES_STAT, \
505 LPROCFS_FIELDS_FLAGS_SUM)
507 extern void obd_update_maxusage(void);
508 extern __u64 obd_memory_max(void);
509 extern __u64 obd_pages_max(void);
513 extern __u64 obd_alloc;
514 extern __u64 obd_pages;
516 extern __u64 obd_max_alloc;
517 extern __u64 obd_max_pages;
519 static inline void obd_memory_add(long size)
522 if (obd_alloc > obd_max_alloc)
523 obd_max_alloc = obd_alloc;
526 static inline void obd_memory_sub(long size)
531 static inline void obd_pages_add(int order)
533 obd_pages += 1<< order;
534 if (obd_pages > obd_max_pages)
535 obd_max_pages = obd_pages;
538 static inline void obd_pages_sub(int order)
540 obd_pages -= 1<< order;
543 #define obd_memory_sum() (obd_alloc)
544 #define obd_pages_sum() (obd_pages)
546 #define obd_memory_max() (obd_max_alloc)
547 #define obd_pages_max() (obd_max_pages)
551 #define OBD_DEBUG_MEMUSAGE (1)
553 #if OBD_DEBUG_MEMUSAGE
554 #define OBD_ALLOC_POST(ptr, size, name) \
555 obd_memory_add(size); \
556 CDEBUG(D_MALLOC, name " '" #ptr "': %d at %p.\n", \
559 #define OBD_FREE_PRE(ptr, size, name) \
561 obd_memory_sub(size); \
562 CDEBUG(D_MALLOC, name " '" #ptr "': %d at %p.\n", \
564 POISON(ptr, 0x5a, size)
566 #else /* !OBD_DEBUG_MEMUSAGE */
568 #define OBD_ALLOC_POST(ptr, size, name) ((void)0)
569 #define OBD_FREE_PRE(ptr, size, name) ((void)0)
571 #endif /* !OBD_DEBUG_MEMUSAGE */
573 #ifdef RANDOM_FAIL_ALLOC
574 #define HAS_FAIL_ALLOC_FLAG OBD_FAIL_CHECK(OBD_FAIL_GENERAL_ALLOC)
576 #define HAS_FAIL_ALLOC_FLAG 0
579 #define OBD_ALLOC_FAIL_BITS 24
580 #define OBD_ALLOC_FAIL_MASK ((1 << OBD_ALLOC_FAIL_BITS) - 1)
581 #define OBD_ALLOC_FAIL_MULT (OBD_ALLOC_FAIL_MASK / 100)
583 #if defined(LUSTRE_UTILS) /* this version is for utils only */
584 #define OBD_ALLOC_GFP(ptr, size, gfp_mask) \
586 (ptr) = cfs_alloc(size, (gfp_mask)); \
587 if (unlikely((ptr) == NULL)) { \
588 CERROR("kmalloc of '" #ptr "' (%d bytes) failed at %s:%d\n", \
589 (int)(size), __FILE__, __LINE__); \
591 memset(ptr, 0, size); \
592 CDEBUG(D_MALLOC, "kmalloced '" #ptr "': %d at %p\n", \
596 #else /* this version is for the kernel and liblustre */
597 #define OBD_FREE_RTN0(ptr) \
603 #define OBD_ALLOC_GFP(ptr, size, gfp_mask) \
605 (ptr) = cfs_alloc(size, (gfp_mask)); \
606 if (likely((ptr) != NULL && \
607 (!HAS_FAIL_ALLOC_FLAG || obd_alloc_fail_rate == 0 || \
608 !obd_alloc_fail(ptr, #ptr, "km", size, \
609 __FILE__, __LINE__) || \
610 OBD_FREE_RTN0(ptr)))){ \
611 memset(ptr, 0, size); \
612 OBD_ALLOC_POST(ptr, size, "kmalloced"); \
617 #ifndef OBD_ALLOC_MASK
618 # define OBD_ALLOC_MASK CFS_ALLOC_IO
621 #define OBD_ALLOC(ptr, size) OBD_ALLOC_GFP(ptr, size, OBD_ALLOC_MASK)
622 #define OBD_ALLOC_WAIT(ptr, size) OBD_ALLOC_GFP(ptr, size, CFS_ALLOC_STD)
623 #define OBD_ALLOC_PTR(ptr) OBD_ALLOC(ptr, sizeof *(ptr))
624 #define OBD_ALLOC_PTR_WAIT(ptr) OBD_ALLOC_WAIT(ptr, sizeof *(ptr))
627 # define OBD_VMALLOC(ptr, size) OBD_ALLOC(ptr, size)
629 # define OBD_VMALLOC(ptr, size) \
631 (ptr) = cfs_alloc_large(size); \
632 if (unlikely((ptr) == NULL)) { \
633 CERROR("vmalloc of '" #ptr "' (%d bytes) failed\n", \
635 CERROR(LPU64" total bytes allocated by Lustre, %d by LNET\n", \
636 obd_memory_sum(), atomic_read(&libcfs_kmemory)); \
638 memset(ptr, 0, size); \
639 OBD_ALLOC_POST(ptr, size, "vmalloced"); \
644 #ifdef CONFIG_DEBUG_SLAB
645 #define POISON(ptr, c, s) do {} while (0)
646 #define POISON_PTR(ptr) ((void)0)
648 #define POISON(ptr, c, s) memset(ptr, c, s)
649 #define POISON_PTR(ptr) (ptr) = (void *)0xdeadbeef
653 #define POISON_PAGE(page, val) do { memset(kmap(page), val, CFS_PAGE_SIZE); \
654 kunmap(page); } while (0)
656 #define POISON_PAGE(page, val) do { } while (0)
660 #define OBD_FREE(ptr, size) \
662 OBD_FREE_PRE(ptr, size, "kfreed"); \
669 # ifdef HAVE_CALL_RCU_PARAM
670 # define my_call_rcu(rcu, cb) call_rcu(rcu, cb, rcu)
672 # define my_call_rcu(rcu, cb) call_rcu(rcu, cb)
675 # define my_call_rcu(rcu, cb) (cb)(rcu)
678 #define OBD_FREE_RCU_CB(ptr, size, handle, free_cb) \
680 struct portals_handle *__h = (handle); \
682 __h->h_ptr = (ptr); \
683 __h->h_size = (size); \
684 __h->h_free_cb = (void (*)(void *, size_t))(free_cb); \
685 my_call_rcu(&__h->h_rcu, class_handle_free_cb); \
688 #define OBD_FREE_RCU(ptr, size, handle) OBD_FREE_RCU_CB(ptr, size, handle, NULL)
691 #define OBD_FREE(ptr, size) ((void)(size), free((ptr)))
692 #define OBD_FREE_RCU(ptr, size, handle) (OBD_FREE(ptr, size))
693 #define OBD_FREE_RCU_CB(ptr, size, handle, cb) ((*(cb))(ptr, size))
694 #endif /* ifdef __KERNEL__ */
697 # define OBD_VFREE(ptr, size) OBD_FREE(ptr, size)
699 # define OBD_VFREE(ptr, size) \
701 OBD_FREE_PRE(ptr, size, "vfreed"); \
702 cfs_free_large(ptr); \
707 /* we memset() the slab object to 0 when allocation succeeds, so DO NOT
708 * HAVE A CTOR THAT DOES ANYTHING. its work will be cleared here. we'd
709 * love to assert on that, but slab.c keeps kmem_cache_s all to itself. */
710 #define OBD_SLAB_FREE_RTN0(ptr, slab) \
712 cfs_mem_cache_free((slab), (ptr)); \
716 #define OBD_SLAB_ALLOC(ptr, slab, type, size) \
718 LASSERT(!in_interrupt()); \
719 (ptr) = cfs_mem_cache_alloc(slab, (type)); \
720 if (likely((ptr) != NULL && \
721 (!HAS_FAIL_ALLOC_FLAG || obd_alloc_fail_rate == 0 || \
722 !obd_alloc_fail(ptr, #ptr, "slab-", size, \
723 __FILE__, __LINE__) || \
724 OBD_SLAB_FREE_RTN0(ptr, slab)))) { \
725 memset(ptr, 0, size); \
726 OBD_ALLOC_POST(ptr, size, "slab-alloced"); \
730 #define OBD_FREE_PTR(ptr) OBD_FREE(ptr, sizeof *(ptr))
732 #define OBD_SLAB_FREE(ptr, slab, size) \
734 OBD_FREE_PRE(ptr, size, "slab-freed"); \
735 cfs_mem_cache_free(slab, ptr); \
739 #define OBD_SLAB_ALLOC_PTR(ptr, slab) \
740 OBD_SLAB_ALLOC((ptr), (slab), CFS_ALLOC_STD, sizeof *(ptr))
741 #define OBD_SLAB_FREE_PTR(ptr, slab) \
742 OBD_SLAB_FREE((ptr), (slab), sizeof *(ptr))
743 #define OBD_SLAB_ALLOC_PTR_GFP(ptr, slab, gfp) \
744 OBD_SLAB_ALLOC((ptr), (slab), (gfp), sizeof *(ptr))
746 #define KEY_IS(str) \
747 (keylen >= (sizeof(str)-1) && memcmp(key, str, (sizeof(str)-1)) == 0)
749 /* Wrapper for contiguous page frame allocation */
750 #define OBD_PAGES_ALLOC(ptr, order, gfp_mask) \
752 (ptr) = cfs_alloc_pages(gfp_mask, order); \
753 if (unlikely((ptr) == NULL)) { \
754 CERROR("alloc_pages of '" #ptr "' %d page(s) / "LPU64" bytes "\
755 "failed\n", (int)(1 << (order)), \
756 (__u64)((1 << (order)) << CFS_PAGE_SHIFT)); \
757 CERROR(LPU64" total bytes and "LPU64" total pages " \
758 "("LPU64" bytes) allocated by Lustre, " \
759 "%d total bytes by LNET\n", \
761 obd_pages_sum() << CFS_PAGE_SHIFT, \
763 atomic_read(&libcfs_kmemory)); \
765 obd_pages_add(order); \
766 CDEBUG(D_MALLOC, "alloc_pages '" #ptr "': %d page(s) / " \
767 LPU64" bytes at %p.\n", \
768 (int)(1 << (order)), \
769 (__u64)((1 << (order)) << CFS_PAGE_SHIFT), ptr); \
773 #define OBD_PAGE_ALLOC(ptr, gfp_mask) \
774 OBD_PAGES_ALLOC(ptr, 0, gfp_mask)
776 #define OBD_PAGES_FREE(ptr, order) \
779 obd_pages_sub(order); \
780 CDEBUG(D_MALLOC, "free_pages '" #ptr "': %d page(s) / "LPU64" bytes " \
782 (int)(1 << (order)), (__u64)((1 << (order)) << CFS_PAGE_SHIFT),\
784 __cfs_free_pages(ptr, order); \
785 (ptr) = (void *)0xdeadbeef; \
788 #define OBD_PAGE_FREE(ptr) OBD_PAGES_FREE(ptr, 0)