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LU-56 libcfs: NUMA allocator and code cleanup
[fs/lustre-release.git] / lustre / include / obd_support.h
1 /*
2  * GPL HEADER START
3  *
4  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
5  *
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.
9  *
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).
15  *
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
19  *
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
22  * have any questions.
23  *
24  * GPL HEADER END
25  */
26 /*
27  * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
28  * Use is subject to license terms.
29  *
30  * Copyright (c) 2011, 2012, Whamcloud, Inc.
31  */
32 /*
33  * This file is part of Lustre, http://www.lustre.org/
34  * Lustre is a trademark of Sun Microsystems, Inc.
35  */
36
37 #ifndef _OBD_SUPPORT
38 #define _OBD_SUPPORT
39
40 #include <libcfs/libcfs.h>
41 #include <lvfs.h>
42 #include <lprocfs_status.h>
43
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>
50 #else
51 #error Unsupported operating system.
52 #endif
53
54 /* global variables */
55 extern struct lprocfs_stats *obd_memory;
56 enum {
57         OBD_MEMORY_STAT = 0,
58         OBD_MEMORY_PAGES_STAT = 1,
59         OBD_STATS_NUM,
60 };
61
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;
73 extern int at_extra;
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[];
80
81 /* lvfs.c */
82 int obd_alloc_fail(const void *ptr, const char *name, const char *type,
83                    size_t size, const char *file, int line);
84
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
112
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 #ifndef CRAY_XT3
140 /* In general this should be low to have quick detection of a system
141    running on a backup server. (If it's too low, import_select_connection
142    will increase the timeout anyhow.)  */
143 #define INITIAL_CONNECT_TIMEOUT max(CONNECTION_SWITCH_MIN,obd_timeout/20)
144 #else
145 /* ...but for very large systems (e.g. CRAY) we need to keep the initial
146    connect t.o. high (bz 10803), because they will nearly ALWAYS be doing the
147    connects for the first time (clients "reboot" after every process, so no
148    chance to generate adaptive timeout data. */
149 #define INITIAL_CONNECT_TIMEOUT max(CONNECTION_SWITCH_MIN,obd_timeout/2)
150 #endif
151 /* The max delay between connects is SWITCH_MAX + SWITCH_INC + INITIAL */
152 #define RECONNECT_DELAY_MAX (CONNECTION_SWITCH_MAX + CONNECTION_SWITCH_INC + \
153                              INITIAL_CONNECT_TIMEOUT)
154 /* The min time a target should wait for clients to reconnect in recovery */
155 #define OBD_RECOVERY_TIME_MIN    (2*RECONNECT_DELAY_MAX)
156 #define OBD_IR_FACTOR_MIN         1
157 #define OBD_IR_FACTOR_MAX         10
158 #define OBD_IR_FACTOR_DEFAULT    (OBD_IR_FACTOR_MAX/2)
159 /* default timeout for the MGS to become IR_FULL */
160 #define OBD_IR_MGS_TIMEOUT       (4*obd_timeout)
161 #define LONG_UNLINK 300          /* Unlink should happen before now */
162
163 /**
164  * Time interval of shrink, if the client is "idle" more than this interval,
165  * then the ll_grant thread will return the requested grant space to filter
166  */
167 #define GRANT_SHRINK_INTERVAL            1200/*20 minutes*/
168
169 #define OBD_FAIL_MDS                     0x100
170 #define OBD_FAIL_MDS_HANDLE_UNPACK       0x101
171 #define OBD_FAIL_MDS_GETATTR_NET         0x102
172 #define OBD_FAIL_MDS_GETATTR_PACK        0x103
173 #define OBD_FAIL_MDS_READPAGE_NET        0x104
174 #define OBD_FAIL_MDS_READPAGE_PACK       0x105
175 #define OBD_FAIL_MDS_SENDPAGE            0x106
176 #define OBD_FAIL_MDS_REINT_NET           0x107
177 #define OBD_FAIL_MDS_REINT_UNPACK        0x108
178 #define OBD_FAIL_MDS_REINT_SETATTR       0x109
179 #define OBD_FAIL_MDS_REINT_SETATTR_WRITE 0x10a
180 #define OBD_FAIL_MDS_REINT_CREATE        0x10b
181 #define OBD_FAIL_MDS_REINT_CREATE_WRITE  0x10c
182 #define OBD_FAIL_MDS_REINT_UNLINK        0x10d
183 #define OBD_FAIL_MDS_REINT_UNLINK_WRITE  0x10e
184 #define OBD_FAIL_MDS_REINT_LINK          0x10f
185 #define OBD_FAIL_MDS_REINT_LINK_WRITE    0x110
186 #define OBD_FAIL_MDS_REINT_RENAME        0x111
187 #define OBD_FAIL_MDS_REINT_RENAME_WRITE  0x112
188 #define OBD_FAIL_MDS_OPEN_NET            0x113
189 #define OBD_FAIL_MDS_OPEN_PACK           0x114
190 #define OBD_FAIL_MDS_CLOSE_NET           0x115
191 #define OBD_FAIL_MDS_CLOSE_PACK          0x116
192 #define OBD_FAIL_MDS_CONNECT_NET         0x117
193 #define OBD_FAIL_MDS_CONNECT_PACK        0x118
194 #define OBD_FAIL_MDS_REINT_NET_REP       0x119
195 #define OBD_FAIL_MDS_DISCONNECT_NET      0x11a
196 #define OBD_FAIL_MDS_GETSTATUS_NET       0x11b
197 #define OBD_FAIL_MDS_GETSTATUS_PACK      0x11c
198 #define OBD_FAIL_MDS_STATFS_PACK         0x11d
199 #define OBD_FAIL_MDS_STATFS_NET          0x11e
200 #define OBD_FAIL_MDS_GETATTR_NAME_NET    0x11f
201 #define OBD_FAIL_MDS_PIN_NET             0x120
202 #define OBD_FAIL_MDS_UNPIN_NET           0x121
203 #define OBD_FAIL_MDS_ALL_REPLY_NET       0x122
204 #define OBD_FAIL_MDS_ALL_REQUEST_NET     0x123
205 #define OBD_FAIL_MDS_SYNC_NET            0x124
206 #define OBD_FAIL_MDS_SYNC_PACK           0x125
207 #define OBD_FAIL_MDS_DONE_WRITING_NET    0x126
208 #define OBD_FAIL_MDS_DONE_WRITING_PACK   0x127
209 #define OBD_FAIL_MDS_ALLOC_OBDO          0x128
210 #define OBD_FAIL_MDS_PAUSE_OPEN          0x129
211 #define OBD_FAIL_MDS_STATFS_LCW_SLEEP    0x12a
212 #define OBD_FAIL_MDS_OPEN_CREATE         0x12b
213 #define OBD_FAIL_MDS_OST_SETATTR         0x12c
214 #define OBD_FAIL_MDS_QUOTACHECK_NET      0x12d
215 #define OBD_FAIL_MDS_QUOTACTL_NET        0x12e
216 #define OBD_FAIL_MDS_CLIENT_ADD          0x12f
217 #define OBD_FAIL_MDS_GETXATTR_NET        0x130
218 #define OBD_FAIL_MDS_GETXATTR_PACK       0x131
219 #define OBD_FAIL_MDS_SETXATTR_NET        0x132
220 #define OBD_FAIL_MDS_SETXATTR            0x133
221 #define OBD_FAIL_MDS_SETXATTR_WRITE      0x134
222 #define OBD_FAIL_MDS_FS_SETUP            0x135
223 #define OBD_FAIL_MDS_RESEND              0x136
224 #define OBD_FAIL_MDS_LLOG_CREATE_FAILED  0x137
225 #define OBD_FAIL_MDS_LOV_SYNC_RACE       0x138
226 #define OBD_FAIL_MDS_OSC_PRECREATE       0x139
227 #define OBD_FAIL_MDS_LLOG_SYNC_TIMEOUT   0x13a
228 #define OBD_FAIL_MDS_CLOSE_NET_REP       0x13b
229 #define OBD_FAIL_MDS_BLOCK_QUOTA_REQ     0x13c
230 #define OBD_FAIL_MDS_DROP_QUOTA_REQ      0x13d
231 #define OBD_FAIL_MDS_REMOVE_COMMON_EA    0x13e
232 #define OBD_FAIL_MDS_ALLOW_COMMON_EA_SETTING   0x13f
233 #define OBD_FAIL_MDS_FAIL_LOV_LOG_ADD    0x140
234 #define OBD_FAIL_MDS_LOV_PREP_CREATE     0x141
235 #define OBD_FAIL_MDS_REINT_DELAY         0x142
236 #define OBD_FAIL_MDS_READLINK_EPROTO     0x143
237 #define OBD_FAIL_MDS_OPEN_WAIT_CREATE    0x144
238 #define OBD_FAIL_MDS_PDO_LOCK            0x145
239 #define OBD_FAIL_MDS_PDO_LOCK2           0x146
240 #define OBD_FAIL_MDS_OSC_CREATE_FAIL     0x147
241
242 /* CMD */
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
251
252 #define OBD_FAIL_OST                     0x200
253 #define OBD_FAIL_OST_CONNECT_NET         0x201
254 #define OBD_FAIL_OST_DISCONNECT_NET      0x202
255 #define OBD_FAIL_OST_GET_INFO_NET        0x203
256 #define OBD_FAIL_OST_CREATE_NET          0x204
257 #define OBD_FAIL_OST_DESTROY_NET         0x205
258 #define OBD_FAIL_OST_GETATTR_NET         0x206
259 #define OBD_FAIL_OST_SETATTR_NET         0x207
260 #define OBD_FAIL_OST_OPEN_NET            0x208
261 #define OBD_FAIL_OST_CLOSE_NET           0x209
262 #define OBD_FAIL_OST_BRW_NET             0x20a
263 #define OBD_FAIL_OST_PUNCH_NET           0x20b
264 #define OBD_FAIL_OST_STATFS_NET          0x20c
265 #define OBD_FAIL_OST_HANDLE_UNPACK       0x20d
266 #define OBD_FAIL_OST_BRW_WRITE_BULK      0x20e
267 #define OBD_FAIL_OST_BRW_READ_BULK       0x20f
268 #define OBD_FAIL_OST_SYNC_NET            0x210
269 #define OBD_FAIL_OST_ALL_REPLY_NET       0x211
270 #define OBD_FAIL_OST_ALL_REQUEST_NET     0x212
271 #define OBD_FAIL_OST_LDLM_REPLY_NET      0x213
272 #define OBD_FAIL_OST_BRW_PAUSE_BULK      0x214
273 #define OBD_FAIL_OST_ENOSPC              0x215
274 #define OBD_FAIL_OST_EROFS               0x216
275 #define OBD_FAIL_OST_ENOENT              0x217
276 #define OBD_FAIL_OST_QUOTACHECK_NET      0x218
277 #define OBD_FAIL_OST_QUOTACTL_NET        0x219
278 #define OBD_FAIL_OST_CHECKSUM_RECEIVE    0x21a
279 #define OBD_FAIL_OST_CHECKSUM_SEND       0x21b
280 #define OBD_FAIL_OST_BRW_SIZE            0x21c
281 #define OBD_FAIL_OST_DROP_REQ            0x21d
282 #define OBD_FAIL_OST_SETATTR_CREDITS     0x21e
283 #define OBD_FAIL_OST_HOLD_WRITE_RPC      0x21f
284 #define OBD_FAIL_OST_BRW_WRITE_BULK2     0x220
285 #define OBD_FAIL_OST_LLOG_RECOVERY_TIMEOUT 0x221
286 #define OBD_FAIL_OST_CANCEL_COOKIE_TIMEOUT 0x222
287 #define OBD_FAIL_OST_PAUSE_CREATE        0x223
288 #define OBD_FAIL_OST_BRW_PAUSE_PACK      0x224
289 #define OBD_FAIL_OST_CONNECT_NET2        0x225
290 #define OBD_FAIL_OST_NOMEM               0x226
291 #define OBD_FAIL_OST_BRW_PAUSE_BULK2     0x227
292 #define OBD_FAIL_OST_MAPBLK_ENOSPC       0x228
293 #define OBD_FAIL_OST_ENOINO              0x229
294 #define OBD_FAIL_OST_DQACQ_NET           0x230
295
296 #define OBD_FAIL_LDLM                    0x300
297 #define OBD_FAIL_LDLM_NAMESPACE_NEW      0x301
298 #define OBD_FAIL_LDLM_ENQUEUE            0x302
299 #define OBD_FAIL_LDLM_CONVERT            0x303
300 #define OBD_FAIL_LDLM_CANCEL             0x304
301 #define OBD_FAIL_LDLM_BL_CALLBACK        0x305
302 #define OBD_FAIL_LDLM_CP_CALLBACK        0x306
303 #define OBD_FAIL_LDLM_GL_CALLBACK        0x307
304 #define OBD_FAIL_LDLM_ENQUEUE_EXTENT_ERR 0x308
305 #define OBD_FAIL_LDLM_ENQUEUE_INTENT_ERR 0x309
306 #define OBD_FAIL_LDLM_CREATE_RESOURCE    0x30a
307 #define OBD_FAIL_LDLM_ENQUEUE_BLOCKED    0x30b
308 #define OBD_FAIL_LDLM_REPLY              0x30c
309 #define OBD_FAIL_LDLM_RECOV_CLIENTS      0x30d
310 #define OBD_FAIL_LDLM_ENQUEUE_OLD_EXPORT 0x30e
311 #define OBD_FAIL_LDLM_GLIMPSE            0x30f
312 #define OBD_FAIL_LDLM_CANCEL_RACE        0x310
313 #define OBD_FAIL_LDLM_CANCEL_EVICT_RACE  0x311
314 #define OBD_FAIL_LDLM_PAUSE_CANCEL       0x312
315 #define OBD_FAIL_LDLM_CLOSE_THREAD       0x313
316 #define OBD_FAIL_LDLM_CANCEL_BL_CB_RACE  0x314
317 #define OBD_FAIL_LDLM_CP_CB_WAIT         0x315
318 #define OBD_FAIL_LDLM_OST_FAIL_RACE      0x316
319 #define OBD_FAIL_LDLM_INTR_CP_AST        0x317
320 #define OBD_FAIL_LDLM_CP_BL_RACE         0x318
321 #define OBD_FAIL_LDLM_NEW_LOCK           0x319
322 #define OBD_FAIL_LDLM_AGL_DELAY          0x31a
323 #define OBD_FAIL_LDLM_AGL_NOLOCK         0x31b
324
325 /* LOCKLESS IO */
326 #define OBD_FAIL_LDLM_SET_CONTENTION     0x385
327
328 #define OBD_FAIL_OSC                     0x400
329 #define OBD_FAIL_OSC_BRW_READ_BULK       0x401
330 #define OBD_FAIL_OSC_BRW_WRITE_BULK      0x402
331 #define OBD_FAIL_OSC_LOCK_BL_AST         0x403
332 #define OBD_FAIL_OSC_LOCK_CP_AST         0x404
333 #define OBD_FAIL_OSC_MATCH               0x405
334 #define OBD_FAIL_OSC_BRW_PREP_REQ        0x406
335 #define OBD_FAIL_OSC_SHUTDOWN            0x407
336 #define OBD_FAIL_OSC_CHECKSUM_RECEIVE    0x408
337 #define OBD_FAIL_OSC_CHECKSUM_SEND       0x409
338 #define OBD_FAIL_OSC_BRW_PREP_REQ2       0x40a
339 #define OBD_FAIL_OSC_CONNECT_CKSUM       0x40b
340 #define OBD_FAIL_OSC_CKSUM_ADLER_ONLY    0x40c
341 #define OBD_FAIL_OSC_DIO_PAUSE           0x40d
342 #define OBD_FAIL_OSC_OBJECT_CONTENTION   0x40e
343 #define OBD_FAIL_OSC_CP_CANCEL_RACE      0x40f
344 #define OBD_FAIL_OSC_CP_ENQ_RACE         0x410
345 #define OBD_FAIL_OSC_NO_GRANT            0x411
346
347 #define OBD_FAIL_PTLRPC                  0x500
348 #define OBD_FAIL_PTLRPC_ACK              0x501
349 #define OBD_FAIL_PTLRPC_RQBD             0x502
350 #define OBD_FAIL_PTLRPC_BULK_GET_NET     0x503
351 #define OBD_FAIL_PTLRPC_BULK_PUT_NET     0x504
352 #define OBD_FAIL_PTLRPC_DROP_RPC         0x505
353 #define OBD_FAIL_PTLRPC_DELAY_SEND       0x506
354 #define OBD_FAIL_PTLRPC_DELAY_RECOV      0x507
355 #define OBD_FAIL_PTLRPC_CLIENT_BULK_CB   0x508
356 #define OBD_FAIL_PTLRPC_PAUSE_REQ        0x50a
357 #define OBD_FAIL_PTLRPC_PAUSE_REP        0x50c
358 #define OBD_FAIL_PTLRPC_IMP_DEACTIVE     0x50d
359 #define OBD_FAIL_PTLRPC_DUMP_LOG         0x50e
360 #define OBD_FAIL_PTLRPC_LONG_REPL_UNLINK 0x50f
361 #define OBD_FAIL_PTLRPC_LONG_BULK_UNLINK 0x510
362 #define OBD_FAIL_PTLRPC_HPREQ_TIMEOUT    0x511
363 #define OBD_FAIL_PTLRPC_HPREQ_NOTIMEOUT  0x512
364 #define OBD_FAIL_PTLRPC_DROP_REQ_OPC     0x513
365 #define OBD_FAIL_PTLRPC_FINISH_REPLAY    0x514
366 #define OBD_FAIL_PTLRPC_CLIENT_BULK_CB2  0x515
367
368 #define OBD_FAIL_OBD_PING_NET            0x600
369 #define OBD_FAIL_OBD_LOG_CANCEL_NET      0x601
370 #define OBD_FAIL_OBD_LOGD_NET            0x602
371 #define OBD_FAIL_OBD_QC_CALLBACK_NET     0x603
372 #define OBD_FAIL_OBD_DQACQ               0x604
373 #define OBD_FAIL_OBD_LLOG_SETUP          0x605
374 #define OBD_FAIL_OBD_LOG_CANCEL_REP      0x606
375
376 #define OBD_FAIL_TGT_REPLY_NET           0x700
377 #define OBD_FAIL_TGT_CONN_RACE           0x701
378 #define OBD_FAIL_TGT_FORCE_RECONNECT     0x702
379 #define OBD_FAIL_TGT_DELAY_CONNECT       0x703
380 #define OBD_FAIL_TGT_DELAY_RECONNECT     0x704
381 #define OBD_FAIL_TGT_DELAY_PRECREATE     0x705
382 #define OBD_FAIL_TGT_TOOMANY_THREADS     0x706
383 #define OBD_FAIL_TGT_REPLAY_DROP         0x707
384 #define OBD_FAIL_TGT_FAKE_EXP            0x708
385 #define OBD_FAIL_TGT_REPLAY_DELAY        0x709
386 #define OBD_FAIL_TGT_LAST_REPLAY         0x710
387 #define OBD_FAIL_TGT_CLIENT_ADD          0x711
388 #define OBD_FAIL_TGT_RCVG_FLAG           0x712
389
390 #define OBD_FAIL_MDC_REVALIDATE_PAUSE    0x800
391 #define OBD_FAIL_MDC_ENQUEUE_PAUSE       0x801
392 #define OBD_FAIL_MDC_OLD_EXT_FLAGS       0x802
393 #define OBD_FAIL_MDC_GETATTR_ENQUEUE     0x803
394
395 #define OBD_FAIL_MGS                     0x900
396 #define OBD_FAIL_MGS_ALL_REQUEST_NET     0x901
397 #define OBD_FAIL_MGS_ALL_REPLY_NET       0x902
398 #define OBD_FAIL_MGC_PAUSE_PROCESS_LOG   0x903
399 #define OBD_FAIL_MGS_PAUSE_REQ           0x904
400 #define OBD_FAIL_MGS_PAUSE_TARGET_REG    0x905
401
402 #define OBD_FAIL_QUOTA_RET_QDATA         0xA02
403 #define OBD_FAIL_QUOTA_DELAY_REL         0xA03
404 #define OBD_FAIL_QUOTA_DELAY_SD          0xA04
405
406 #define OBD_FAIL_LPROC_REMOVE            0xB00
407
408 #define OBD_FAIL_GENERAL_ALLOC           0xC00
409
410 #define OBD_FAIL_SEQ                     0x1000
411 #define OBD_FAIL_SEQ_QUERY_NET           0x1001
412
413 #define OBD_FAIL_FLD                     0x1100
414 #define OBD_FAIL_FLD_QUERY_NET           0x1101
415
416 #define OBD_FAIL_SEC_CTX                 0x1200
417 #define OBD_FAIL_SEC_CTX_INIT_NET        0x1201
418 #define OBD_FAIL_SEC_CTX_INIT_CONT_NET   0x1202
419 #define OBD_FAIL_SEC_CTX_FINI_NET        0x1203
420 #define OBD_FAIL_SEC_CTX_HDL_PAUSE       0x1204
421
422 #define OBD_FAIL_LLOG                               0x1300
423 #define OBD_FAIL_LLOG_ORIGIN_CONNECT_NET            0x1301
424 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_CREATE_NET      0x1302
425 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_DESTROY_NET     0x1303
426 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_READ_HEADER_NET 0x1304
427 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_NEXT_BLOCK_NET  0x1305
428 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_PREV_BLOCK_NET  0x1306
429 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_WRITE_REC_NET   0x1307
430 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_CLOSE_NET       0x1308
431 #define OBD_FAIL_LLOG_CATINFO_NET                   0x1309
432 #define OBD_FAIL_MDS_SYNC_CAPA_SL                   0x1310
433 #define OBD_FAIL_SEQ_ALLOC                          0x1311
434
435 #define OBD_FAIL_LLITE                              0x1400
436 #define OBD_FAIL_LLITE_FAULT_TRUNC_RACE             0x1401
437
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
451
452 extern cfs_atomic_t libcfs_kmemory;
453
454 #ifdef LPROCFS
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)
471
472 extern void obd_update_maxusage(void);
473 extern __u64 obd_memory_max(void);
474 extern __u64 obd_pages_max(void);
475
476 #else
477
478 extern __u64 obd_alloc;
479 extern __u64 obd_pages;
480
481 extern __u64 obd_max_alloc;
482 extern __u64 obd_max_pages;
483
484 static inline void obd_memory_add(long size)
485 {
486         obd_alloc += size;
487         if (obd_alloc > obd_max_alloc)
488                 obd_max_alloc = obd_alloc;
489 }
490
491 static inline void obd_memory_sub(long size)
492 {
493         obd_alloc -= size;
494 }
495
496 static inline void obd_pages_add(int order)
497 {
498         obd_pages += 1<< order;
499         if (obd_pages > obd_max_pages)
500                 obd_max_pages = obd_pages;
501 }
502
503 static inline void obd_pages_sub(int order)
504 {
505         obd_pages -= 1<< order;
506 }
507
508 #define obd_memory_sum() (obd_alloc)
509 #define obd_pages_sum()  (obd_pages)
510
511 #define obd_memory_max() (obd_max_alloc)
512 #define obd_pages_max() (obd_max_pages)
513
514 #endif
515
516 #define OBD_DEBUG_MEMUSAGE (1)
517
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",       \
522                        (int)(size), ptr)
523
524 #define OBD_FREE_PRE(ptr, size, name)                                   \
525         LASSERT(ptr);                                                   \
526         obd_memory_sub(size);                                           \
527         CDEBUG(D_MALLOC, name " '" #ptr "': %d at %p.\n",               \
528                (int)(size), ptr);                                       \
529         POISON(ptr, 0x5a, size)
530
531 #else /* !OBD_DEBUG_MEMUSAGE */
532
533 #define OBD_ALLOC_POST(ptr, size, name) ((void)0)
534 #define OBD_FREE_PRE(ptr, size, name)   ((void)0)
535
536 #endif /* !OBD_DEBUG_MEMUSAGE */
537
538 #ifdef RANDOM_FAIL_ALLOC
539 #define HAS_FAIL_ALLOC_FLAG OBD_FAIL_CHECK(OBD_FAIL_GENERAL_ALLOC)
540 #else
541 #define HAS_FAIL_ALLOC_FLAG 0
542 #endif
543
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)
547
548 #if defined(LUSTRE_UTILS) /* this version is for utils only */
549 #define __OBD_MALLOC_VERBOSE(ptr, cptab, cpt, size, flags)                    \
550 do {                                                                          \
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__);                      \
557         } else {                                                              \
558                 memset(ptr, 0, size);                                         \
559                 CDEBUG(D_MALLOC, "kmalloced '" #ptr "': %d at %p\n",          \
560                        (int)(size), ptr);                                     \
561         }                                                                     \
562 } while (0)
563
564 #else /* this version is for the kernel and liblustre */
565 #define OBD_FREE_RTN0(ptr)                                                    \
566 ({                                                                            \
567         cfs_free(ptr);                                                        \
568         (ptr) = NULL;                                                         \
569         0;                                                                    \
570 })
571
572 #define __OBD_MALLOC_VERBOSE(ptr, cptab, cpt, size, flags)                    \
573 do {                                                                          \
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");                       \
584         }                                                                     \
585 } while (0)
586 #endif
587
588 #define OBD_ALLOC_GFP(ptr, size, gfp_mask)                                    \
589         __OBD_MALLOC_VERBOSE(ptr, NULL, 0, size, gfp_mask)
590
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))
595
596 #define OBD_CPT_ALLOC_GFP(ptr, cptab, cpt, size, gfp_mask)                    \
597         __OBD_MALLOC_VERBOSE(ptr, cptab, cpt, size, gfp_mask)
598
599 #define OBD_CPT_ALLOC(ptr, cptab, cpt, size)                                  \
600         OBD_CPT_ALLOC_GFP(ptr, cptab, cpt, size, CFS_ALLOC_IO)
601
602 #define OBD_CPT_ALLOC_PTR(ptr, cptab, cpt)                                    \
603         OBD_CPT_ALLOC(ptr, cptab, cpt, sizeof *(ptr))
604
605 #ifdef __arch_um__
606
607 # define OBD_VMALLOC(ptr, size)                                               \
608          OBD_ALLOC(ptr, size)
609 # define OBD_CPT_VMALLOC(ptr, cptab, cpt, size)                               \
610          OBD_CPT_ALLOC(ptr, cptab, cpt, size)
611
612 #else /* !__arch_um__ */
613
614 # define __OBD_VMALLOC_VEROBSE(ptr, cptab, cpt, size)                         \
615 do {                                                                          \
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",           \
621                        (int)(size));                                          \
622                 CERROR(LPU64" total bytes allocated by Lustre, %d by LNET\n", \
623                        obd_memory_sum(), cfs_atomic_read(&libcfs_kmemory));   \
624         } else {                                                              \
625                 memset(ptr, 0, size);                                         \
626                 OBD_ALLOC_POST(ptr, size, "vmalloced");                       \
627         }                                                                     \
628 } while(0)
629
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)
634
635 #endif
636
637 #ifdef __KERNEL__
638
639 /* Allocations above this size are considered too big and could not be done
640  * atomically. 
641  *
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.
645  */
646 #define OBD_ALLOC_BIG (4 * CFS_PAGE_SIZE)
647
648 #define OBD_ALLOC_LARGE(ptr, size)                                            \
649 do {                                                                          \
650         if (size > OBD_ALLOC_BIG)                                             \
651                 OBD_VMALLOC(ptr, size);                                       \
652         else                                                                  \
653                 OBD_ALLOC(ptr, size);                                         \
654 } while (0)
655
656 #define OBD_CPT_ALLOC_LARGE(ptr, cptab, cpt, size)                            \
657 do {                                                                          \
658         if (size > OBD_ALLOC_BIG)                                             \
659                 OBD_CPT_VMALLOC(ptr, cptab, cpt, size);                       \
660         else                                                                  \
661                 OBD_CPT_ALLOC(ptr, cptab, cpt, size);                         \
662 } while (0)
663
664 #define OBD_FREE_LARGE(ptr, size)                                             \
665 do {                                                                          \
666         if (size > OBD_ALLOC_BIG)                                             \
667                 OBD_VFREE(ptr, size);                                         \
668         else                                                                  \
669                 OBD_FREE(ptr, size);                                          \
670 } while (0)
671
672 #else /* !__KERNEL__ */
673
674 #define OBD_ALLOC_LARGE(ptr, size)                                            \
675         OBD_ALLOC(ptr, size)
676 #define OBD_CPT_ALLOC_LARGE(ptr, cptab, cpt, size)                            \
677         OBD_ALLOC(ptr, size)
678 #define OBD_FREE_LARGE(ptr, size)                                             \
679         OBD_FREE(ptr, size)
680
681 #endif /* __KERNEL__ */
682
683 #ifdef CONFIG_DEBUG_SLAB
684 #define POISON(ptr, c, s) do {} while (0)
685 #define POISON_PTR(ptr)  ((void)0)
686 #else
687 #define POISON(ptr, c, s) memset(ptr, c, s)
688 #define POISON_PTR(ptr)  (ptr) = (void *)0xdeadbeef
689 #endif
690
691 #ifdef POISON_BULK
692 #define POISON_PAGE(page, val) do { memset(kmap(page), val, CFS_PAGE_SIZE);   \
693                                     kunmap(page); } while (0)
694 #else
695 #define POISON_PAGE(page, val) do { } while (0)
696 #endif
697
698 #ifdef __KERNEL__
699 #define OBD_FREE(ptr, size)                                                   \
700 do {                                                                          \
701         OBD_FREE_PRE(ptr, size, "kfreed");                                    \
702         cfs_free(ptr);                                                        \
703         POISON_PTR(ptr);                                                      \
704 } while(0)
705
706
707 #ifdef HAVE_RCU
708 # ifdef HAVE_CALL_RCU_PARAM
709 #  define my_call_rcu(rcu, cb)            call_rcu(rcu, cb, rcu)
710 # else
711 #  define my_call_rcu(rcu, cb)            call_rcu(rcu, cb)
712 # endif
713 #else
714 # define my_call_rcu(rcu, cb)             (cb)(rcu)
715 #endif
716
717 #define OBD_FREE_RCU(ptr, size, handle)                                       \
718 do {                                                                          \
719         struct portals_handle *__h = (handle);                                \
720                                                                               \
721         LASSERT(handle != NULL);                                              \
722         __h->h_cookie = (unsigned long)(ptr);                                 \
723         __h->h_size = (size);                                                 \
724         my_call_rcu(&__h->h_rcu, class_handle_free_cb);                       \
725         POISON_PTR(ptr);                                                      \
726 } while(0)
727
728 #else
729 #define OBD_FREE(ptr, size) ((void)(size), free((ptr)))
730 #define OBD_FREE_RCU(ptr, size, handle) (OBD_FREE(ptr, size))
731 #endif /* ifdef __KERNEL__ */
732
733 #ifdef __arch_um__
734 # define OBD_VFREE(ptr, size) OBD_FREE(ptr, size)
735 #else
736 # define OBD_VFREE(ptr, size)                                                 \
737 do {                                                                          \
738         OBD_FREE_PRE(ptr, size, "vfreed");                                    \
739         cfs_free_large(ptr);                                                  \
740         POISON_PTR(ptr);                                                      \
741 } while(0)
742 #endif
743
744 /* we memset() the slab object to 0 when allocation succeeds, so DO NOT
745  * HAVE A CTOR THAT DOES ANYTHING.  its work will be cleared here.  we'd
746  * love to assert on that, but slab.c keeps kmem_cache_s all to itself. */
747 #define OBD_SLAB_FREE_RTN0(ptr, slab)                                         \
748 ({                                                                            \
749         cfs_mem_cache_free((slab), (ptr));                                    \
750         (ptr) = NULL;                                                         \
751         0;                                                                    \
752 })
753
754 #define __OBD_SLAB_ALLOC_VERBOSE(ptr, slab, cptab, cpt, size, type)           \
755 do {                                                                          \
756         LASSERT(ergo(type != CFS_ALLOC_ATOMIC, !cfs_in_interrupt()));         \
757         (ptr) = (cptab) == NULL ?                                             \
758                 cfs_mem_cache_alloc(slab, type) :                             \
759                 cfs_mem_cache_cpt_alloc(slab, cptab, cpt, type);              \
760         if (likely((ptr) != NULL &&                                           \
761                    (!HAS_FAIL_ALLOC_FLAG || obd_alloc_fail_rate == 0 ||       \
762                     !obd_alloc_fail(ptr, #ptr, "slab-", size,                 \
763                                     __FILE__, __LINE__) ||                    \
764                     OBD_SLAB_FREE_RTN0(ptr, slab)))) {                        \
765                 memset(ptr, 0, size);                                         \
766                 OBD_ALLOC_POST(ptr, size, "slab-alloced");                    \
767         }                                                                     \
768 } while(0)
769
770 #define OBD_SLAB_ALLOC_GFP(ptr, slab, size, flags)                            \
771         __OBD_SLAB_ALLOC_VERBOSE(ptr, slab, NULL, 0, size, flags)
772 #define OBD_SLAB_CPT_ALLOC_GFP(ptr, slab, cptab, cpt, size, flags)            \
773         __OBD_SLAB_ALLOC_VERBOSE(ptr, slab, cptab, cpt, size, flags)
774
775 #define OBD_FREE_PTR(ptr) OBD_FREE(ptr, sizeof *(ptr))
776
777 #define OBD_SLAB_FREE(ptr, slab, size)                                        \
778 do {                                                                          \
779         OBD_FREE_PRE(ptr, size, "slab-freed");                                \
780         cfs_mem_cache_free(slab, ptr);                                        \
781         POISON_PTR(ptr);                                                      \
782 } while(0)
783
784 #define OBD_SLAB_ALLOC(ptr, slab, size)                                       \
785         OBD_SLAB_ALLOC_GFP(ptr, slab, size, CFS_ALLOC_IO)
786
787 #define OBD_SLAB_CPT_ALLOC(ptr, slab, cptab, cpt, size)                       \
788         OBD_SLAB_CPT_ALLOC_GFP(ptr, slab, cptab, cpt, size, CFS_ALLOC_IO)
789
790 #define OBD_SLAB_ALLOC_PTR(ptr, slab)                                         \
791         OBD_SLAB_ALLOC(ptr, slab, sizeof *(ptr))
792
793 #define OBD_SLAB_CPT_ALLOC_PTR(ptr, slab, cptab, cpt)                         \
794         OBD_SLAB_CPT_ALLOC(ptr, slab, cptab, cpt, sizeof *(ptr))
795
796 #define OBD_SLAB_ALLOC_PTR_GFP(ptr, slab, flags)                              \
797         OBD_SLAB_ALLOC_GFP(ptr, slab, sizeof *(ptr), flags)
798
799 #define OBD_SLAB_CPT_ALLOC_PTR_GFP(ptr, slab, ctab, cpt, flags)               \
800         OBD_SLAB_CPT_ALLOC_GFP(ptr, slab, cptab, cpt, sizeof *(ptr), flags)
801
802 #define OBD_SLAB_FREE_PTR(ptr, slab)                                          \
803         OBD_SLAB_FREE((ptr), (slab), sizeof *(ptr))
804
805 #define KEY_IS(str) \
806         (keylen >= (sizeof(str)-1) && memcmp(key, str, (sizeof(str)-1)) == 0)
807
808 /* Wrapper for contiguous page frame allocation */
809 #define __OBD_PAGE_ALLOC_VERBOSE(ptr, cptab, cpt, gfp_mask)                   \
810 do {                                                                          \
811         (ptr) = (cptab) == NULL ?                                             \
812                 cfs_alloc_page(gfp_mask) :                                    \
813                 cfs_page_cpt_alloc(cptab, cpt, gfp_mask);                     \
814         if (unlikely((ptr) == NULL)) {                                        \
815                 CERROR("alloc_pages of '" #ptr "' %d page(s) / "LPU64" bytes "\
816                        "failed\n", (int)1,                                    \
817                        (__u64)(1 << CFS_PAGE_SHIFT));                         \
818                 CERROR(LPU64" total bytes and "LPU64" total pages "           \
819                        "("LPU64" bytes) allocated by Lustre, "                \
820                        "%d total bytes by LNET\n",                            \
821                        obd_memory_sum(),                                      \
822                        obd_pages_sum() << CFS_PAGE_SHIFT,                     \
823                        obd_pages_sum(),                                       \
824                        cfs_atomic_read(&libcfs_kmemory));                     \
825         } else {                                                              \
826                 obd_pages_add(0);                                             \
827                 CDEBUG(D_MALLOC, "alloc_pages '" #ptr "': %d page(s) / "      \
828                        LPU64" bytes at %p.\n",                                \
829                        (int)1,                                                \
830                        (__u64)(1 << CFS_PAGE_SHIFT), ptr);                    \
831         }                                                                     \
832 } while (0)
833
834 #define OBD_PAGE_ALLOC(ptr, gfp_mask)                                         \
835         __OBD_PAGE_ALLOC_VERBOSE(ptr, NULL, 0, gfp_mask)
836 #define OBD_PAGE_CPT_ALLOC(ptr, cptab, cpt, gfp_mask)                         \
837         __OBD_PAGE_ALLOC_VERBOSE(ptr, cptab, cpt, gfp_mask)
838
839 #define OBD_PAGE_FREE(ptr)                                                    \
840 do {                                                                          \
841         LASSERT(ptr);                                                         \
842         obd_pages_sub(0);                                                     \
843         CDEBUG(D_MALLOC, "free_pages '" #ptr "': %d page(s) / "LPU64" bytes " \
844                "at %p.\n",                                                    \
845                (int)1, (__u64)(1 << CFS_PAGE_SHIFT),                          \
846                ptr);                                                          \
847         cfs_free_page(ptr);                                                   \
848         (ptr) = (void *)0xdeadbeef;                                           \
849 } while (0)
850
851 #endif