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LU-2915 lfsck: LFSCK 1.5 technical debts (3)
[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, 2013, Intel Corporation.
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 obd_timeout_set;
70 extern unsigned int ldlm_timeout_set;
71 extern unsigned int at_min;
72 extern unsigned int at_max;
73 extern unsigned int at_history;
74 extern int at_early_margin;
75 extern int at_extra;
76 extern unsigned int obd_sync_filter;
77 extern unsigned int obd_max_dirty_pages;
78 extern cfs_atomic_t obd_dirty_pages;
79 extern cfs_atomic_t obd_dirty_transit_pages;
80 extern unsigned int obd_alloc_fail_rate;
81 extern char obd_jobid_var[];
82
83 /* lvfs.c */
84 int obd_alloc_fail(const void *ptr, const char *name, const char *type,
85                    size_t size, const char *file, int line);
86
87 /* Some hash init argument constants */
88 #define HASH_POOLS_BKT_BITS 3
89 #define HASH_POOLS_CUR_BITS 3
90 #define HASH_POOLS_MAX_BITS 7
91 #define HASH_UUID_BKT_BITS 5
92 #define HASH_UUID_CUR_BITS 7
93 #define HASH_UUID_MAX_BITS 12
94 #define HASH_NID_BKT_BITS 5
95 #define HASH_NID_CUR_BITS 7
96 #define HASH_NID_MAX_BITS 12
97 #define HASH_NID_STATS_BKT_BITS 5
98 #define HASH_NID_STATS_CUR_BITS 7
99 #define HASH_NID_STATS_MAX_BITS 12
100 #define HASH_LQE_BKT_BITS 5
101 #define HASH_LQE_CUR_BITS 7
102 #define HASH_LQE_MAX_BITS 12
103 #define HASH_CONN_BKT_BITS 5
104 #define HASH_CONN_CUR_BITS 5
105 #define HASH_CONN_MAX_BITS 15
106 #define HASH_EXP_LOCK_BKT_BITS  5
107 #define HASH_EXP_LOCK_CUR_BITS  7
108 #define HASH_EXP_LOCK_MAX_BITS  16
109 #define HASH_CL_ENV_BKT_BITS    5
110 #define HASH_CL_ENV_BITS        10
111 #define HASH_JOB_STATS_BKT_BITS 5
112 #define HASH_JOB_STATS_CUR_BITS 7
113 #define HASH_JOB_STATS_MAX_BITS 12
114
115 /* Timeout definitions */
116 #define OBD_TIMEOUT_DEFAULT             100
117 #define LDLM_TIMEOUT_DEFAULT            20
118 #define MDS_LDLM_TIMEOUT_DEFAULT        6
119 /* Time to wait for all clients to reconnect during recovery (hard limit) */
120 #define OBD_RECOVERY_TIME_HARD          (obd_timeout * 9)
121 /* Time to wait for all clients to reconnect during recovery (soft limit) */
122 /* Should be very conservative; must catch the first reconnect after reboot */
123 #define OBD_RECOVERY_TIME_SOFT          (obd_timeout * 3)
124 /* Change recovery-small 26b time if you change this */
125 #define PING_INTERVAL max(obd_timeout / 4, 1U)
126 /* a bit more than maximal journal commit time in seconds */
127 #define PING_INTERVAL_SHORT min(PING_INTERVAL, 7U)
128 /* Client may skip 1 ping; we must wait at least 2.5. But for multiple
129  * failover targets the client only pings one server at a time, and pings
130  * can be lost on a loaded network. Since eviction has serious consequences,
131  * and there's no urgent need to evict a client just because it's idle, we
132  * should be very conservative here. */
133 #define PING_EVICT_TIMEOUT (PING_INTERVAL * 6)
134 #define DISK_TIMEOUT 50          /* Beyond this we warn about disk speed */
135 #define CONNECTION_SWITCH_MIN 5U /* Connection switching rate limiter */
136  /* Max connect interval for nonresponsive servers; ~50s to avoid building up
137     connect requests in the LND queues, but within obd_timeout so we don't
138     miss the recovery window */
139 #define CONNECTION_SWITCH_MAX min(50U, max(CONNECTION_SWITCH_MIN,obd_timeout))
140 #define CONNECTION_SWITCH_INC 5  /* Connection timeout backoff */
141 /* In general this should be low to have quick detection of a system
142    running on a backup server. (If it's too low, import_select_connection
143    will increase the timeout anyhow.)  */
144 #define INITIAL_CONNECT_TIMEOUT max(CONNECTION_SWITCH_MIN,obd_timeout/20)
145 /* The max delay between connects is SWITCH_MAX + SWITCH_INC + INITIAL */
146 #define RECONNECT_DELAY_MAX (CONNECTION_SWITCH_MAX + CONNECTION_SWITCH_INC + \
147                              INITIAL_CONNECT_TIMEOUT)
148 /* The min time a target should wait for clients to reconnect in recovery */
149 #define OBD_RECOVERY_TIME_MIN    (2*RECONNECT_DELAY_MAX)
150 #define OBD_IR_FACTOR_MIN         1
151 #define OBD_IR_FACTOR_MAX         10
152 #define OBD_IR_FACTOR_DEFAULT    (OBD_IR_FACTOR_MAX/2)
153 /* default timeout for the MGS to become IR_FULL */
154 #define OBD_IR_MGS_TIMEOUT       (4*obd_timeout)
155 #define LONG_UNLINK 300          /* Unlink should happen before now */
156
157 /**
158  * Time interval of shrink, if the client is "idle" more than this interval,
159  * then the ll_grant thread will return the requested grant space to filter
160  */
161 #define GRANT_SHRINK_INTERVAL            1200/*20 minutes*/
162
163 #define OBD_FAIL_MDS                     0x100
164 #define OBD_FAIL_MDS_HANDLE_UNPACK       0x101
165 #define OBD_FAIL_MDS_GETATTR_NET         0x102
166 #define OBD_FAIL_MDS_GETATTR_PACK        0x103
167 #define OBD_FAIL_MDS_READPAGE_NET        0x104
168 #define OBD_FAIL_MDS_READPAGE_PACK       0x105
169 #define OBD_FAIL_MDS_SENDPAGE            0x106
170 #define OBD_FAIL_MDS_REINT_NET           0x107
171 #define OBD_FAIL_MDS_REINT_UNPACK        0x108
172 #define OBD_FAIL_MDS_REINT_SETATTR       0x109
173 #define OBD_FAIL_MDS_REINT_SETATTR_WRITE 0x10a
174 #define OBD_FAIL_MDS_REINT_CREATE        0x10b
175 #define OBD_FAIL_MDS_REINT_CREATE_WRITE  0x10c
176 #define OBD_FAIL_MDS_REINT_UNLINK        0x10d
177 #define OBD_FAIL_MDS_REINT_UNLINK_WRITE  0x10e
178 #define OBD_FAIL_MDS_REINT_LINK          0x10f
179 #define OBD_FAIL_MDS_REINT_LINK_WRITE    0x110
180 #define OBD_FAIL_MDS_REINT_RENAME        0x111
181 #define OBD_FAIL_MDS_REINT_RENAME_WRITE  0x112
182 #define OBD_FAIL_MDS_OPEN_NET            0x113
183 #define OBD_FAIL_MDS_OPEN_PACK           0x114
184 #define OBD_FAIL_MDS_CLOSE_NET           0x115
185 #define OBD_FAIL_MDS_CLOSE_PACK          0x116
186 #define OBD_FAIL_MDS_CONNECT_NET         0x117
187 #define OBD_FAIL_MDS_CONNECT_PACK        0x118
188 #define OBD_FAIL_MDS_REINT_NET_REP       0x119
189 #define OBD_FAIL_MDS_DISCONNECT_NET      0x11a
190 #define OBD_FAIL_MDS_GETSTATUS_NET       0x11b
191 #define OBD_FAIL_MDS_GETSTATUS_PACK      0x11c
192 #define OBD_FAIL_MDS_STATFS_PACK         0x11d
193 #define OBD_FAIL_MDS_STATFS_NET          0x11e
194 #define OBD_FAIL_MDS_GETATTR_NAME_NET    0x11f
195 #define OBD_FAIL_MDS_PIN_NET             0x120
196 #define OBD_FAIL_MDS_UNPIN_NET           0x121
197 #define OBD_FAIL_MDS_ALL_REPLY_NET       0x122
198 #define OBD_FAIL_MDS_ALL_REQUEST_NET     0x123
199 #define OBD_FAIL_MDS_SYNC_NET            0x124
200 #define OBD_FAIL_MDS_SYNC_PACK           0x125
201 #define OBD_FAIL_MDS_DONE_WRITING_NET    0x126
202 #define OBD_FAIL_MDS_DONE_WRITING_PACK   0x127
203 #define OBD_FAIL_MDS_ALLOC_OBDO          0x128
204 #define OBD_FAIL_MDS_PAUSE_OPEN          0x129
205 #define OBD_FAIL_MDS_STATFS_LCW_SLEEP    0x12a
206 #define OBD_FAIL_MDS_OPEN_CREATE         0x12b
207 #define OBD_FAIL_MDS_OST_SETATTR         0x12c
208 #define OBD_FAIL_MDS_QUOTACHECK_NET      0x12d
209 #define OBD_FAIL_MDS_QUOTACTL_NET        0x12e
210 #define OBD_FAIL_MDS_CLIENT_ADD          0x12f
211 #define OBD_FAIL_MDS_GETXATTR_NET        0x130
212 #define OBD_FAIL_MDS_GETXATTR_PACK       0x131
213 #define OBD_FAIL_MDS_SETXATTR_NET        0x132
214 #define OBD_FAIL_MDS_SETXATTR            0x133
215 #define OBD_FAIL_MDS_SETXATTR_WRITE      0x134
216 #define OBD_FAIL_MDS_FS_SETUP            0x135
217 #define OBD_FAIL_MDS_RESEND              0x136
218 #define OBD_FAIL_MDS_LLOG_CREATE_FAILED  0x137
219 #define OBD_FAIL_MDS_LOV_SYNC_RACE       0x138
220 #define OBD_FAIL_MDS_OSC_PRECREATE       0x139
221 #define OBD_FAIL_MDS_LLOG_SYNC_TIMEOUT   0x13a
222 #define OBD_FAIL_MDS_CLOSE_NET_REP       0x13b
223 #define OBD_FAIL_MDS_BLOCK_QUOTA_REQ     0x13c
224 #define OBD_FAIL_MDS_DROP_QUOTA_REQ      0x13d
225 #define OBD_FAIL_MDS_REMOVE_COMMON_EA    0x13e
226 #define OBD_FAIL_MDS_ALLOW_COMMON_EA_SETTING   0x13f
227 #define OBD_FAIL_MDS_FAIL_LOV_LOG_ADD    0x140
228 #define OBD_FAIL_MDS_LOV_PREP_CREATE     0x141
229 #define OBD_FAIL_MDS_REINT_DELAY         0x142
230 #define OBD_FAIL_MDS_READLINK_EPROTO     0x143
231 #define OBD_FAIL_MDS_OPEN_WAIT_CREATE    0x144
232 #define OBD_FAIL_MDS_PDO_LOCK            0x145
233 #define OBD_FAIL_MDS_PDO_LOCK2           0x146
234 #define OBD_FAIL_MDS_OSC_CREATE_FAIL     0x147
235 #define OBD_FAIL_MDS_NEGATIVE_POSITIVE   0x148
236 #define OBD_FAIL_MDS_HSM_STATE_GET_NET          0x149
237 #define OBD_FAIL_MDS_HSM_STATE_SET_NET          0x14a
238 #define OBD_FAIL_MDS_HSM_PROGRESS_NET           0x14b
239 #define OBD_FAIL_MDS_HSM_REQUEST_NET            0x14c
240 #define OBD_FAIL_MDS_HSM_CT_REGISTER_NET        0x14d
241 #define OBD_FAIL_MDS_HSM_CT_UNREGISTER_NET      0x14e
242 #define OBD_FAIL_MDS_SWAP_LAYOUTS_NET           0x14f
243 #define OBD_FAIL_MDS_HSM_ACTION_NET             0x150
244 #define OBD_FAIL_MDS_CHANGELOG_INIT             0x151
245
246 /* layout lock */
247 #define OBD_FAIL_MDS_NO_LL_GETATTR       0x170
248 #define OBD_FAIL_MDS_NO_LL_OPEN          0x171
249 #define OBD_FAIL_MDS_LL_BLOCK            0x172
250
251 /* CMD */
252 #define OBD_FAIL_MDS_IS_SUBDIR_NET       0x180
253 #define OBD_FAIL_MDS_IS_SUBDIR_PACK      0x181
254 #define OBD_FAIL_MDS_SET_INFO_NET        0x182
255 #define OBD_FAIL_MDS_WRITEPAGE_NET       0x183
256 #define OBD_FAIL_MDS_WRITEPAGE_PACK      0x184
257 #define OBD_FAIL_MDS_RECOVERY_ACCEPTS_GAPS 0x185
258 #define OBD_FAIL_MDS_GET_INFO_NET        0x186
259 #define OBD_FAIL_MDS_DQACQ_NET           0x187
260
261 /* OI scrub */
262 #define OBD_FAIL_OSD_SCRUB_DELAY                        0x190
263 #define OBD_FAIL_OSD_SCRUB_CRASH                        0x191
264 #define OBD_FAIL_OSD_SCRUB_FATAL                        0x192
265 #define OBD_FAIL_OSD_FID_MAPPING                        0x193
266 #define OBD_FAIL_OSD_LMA_INCOMPAT                       0x194
267
268 #define OBD_FAIL_OST                     0x200
269 #define OBD_FAIL_OST_CONNECT_NET         0x201
270 #define OBD_FAIL_OST_DISCONNECT_NET      0x202
271 #define OBD_FAIL_OST_GET_INFO_NET        0x203
272 #define OBD_FAIL_OST_CREATE_NET          0x204
273 #define OBD_FAIL_OST_DESTROY_NET         0x205
274 #define OBD_FAIL_OST_GETATTR_NET         0x206
275 #define OBD_FAIL_OST_SETATTR_NET         0x207
276 #define OBD_FAIL_OST_OPEN_NET            0x208
277 #define OBD_FAIL_OST_CLOSE_NET           0x209
278 #define OBD_FAIL_OST_BRW_NET             0x20a
279 #define OBD_FAIL_OST_PUNCH_NET           0x20b
280 #define OBD_FAIL_OST_STATFS_NET          0x20c
281 #define OBD_FAIL_OST_HANDLE_UNPACK       0x20d
282 #define OBD_FAIL_OST_BRW_WRITE_BULK      0x20e
283 #define OBD_FAIL_OST_BRW_READ_BULK       0x20f
284 #define OBD_FAIL_OST_SYNC_NET            0x210
285 #define OBD_FAIL_OST_ALL_REPLY_NET       0x211
286 #define OBD_FAIL_OST_ALL_REQUEST_NET     0x212
287 #define OBD_FAIL_OST_LDLM_REPLY_NET      0x213
288 #define OBD_FAIL_OST_BRW_PAUSE_BULK      0x214
289 #define OBD_FAIL_OST_ENOSPC              0x215
290 #define OBD_FAIL_OST_EROFS               0x216
291 #define OBD_FAIL_OST_ENOENT              0x217
292 #define OBD_FAIL_OST_QUOTACHECK_NET      0x218
293 #define OBD_FAIL_OST_QUOTACTL_NET        0x219
294 #define OBD_FAIL_OST_CHECKSUM_RECEIVE    0x21a
295 #define OBD_FAIL_OST_CHECKSUM_SEND       0x21b
296 #define OBD_FAIL_OST_BRW_SIZE            0x21c
297 #define OBD_FAIL_OST_DROP_REQ            0x21d
298 #define OBD_FAIL_OST_SETATTR_CREDITS     0x21e
299 #define OBD_FAIL_OST_HOLD_WRITE_RPC      0x21f
300 #define OBD_FAIL_OST_BRW_WRITE_BULK2     0x220
301 #define OBD_FAIL_OST_LLOG_RECOVERY_TIMEOUT 0x221
302 #define OBD_FAIL_OST_CANCEL_COOKIE_TIMEOUT 0x222
303 #define OBD_FAIL_OST_PAUSE_CREATE        0x223
304 #define OBD_FAIL_OST_BRW_PAUSE_PACK      0x224
305 #define OBD_FAIL_OST_CONNECT_NET2        0x225
306 #define OBD_FAIL_OST_NOMEM               0x226
307 #define OBD_FAIL_OST_BRW_PAUSE_BULK2     0x227
308 #define OBD_FAIL_OST_MAPBLK_ENOSPC       0x228
309 #define OBD_FAIL_OST_ENOINO              0x229
310 #define OBD_FAIL_OST_DQACQ_NET           0x230
311 #define OBD_FAIL_OST_STATFS_EINPROGRESS  0x231
312
313 #define OBD_FAIL_LDLM                    0x300
314 #define OBD_FAIL_LDLM_NAMESPACE_NEW      0x301
315 #define OBD_FAIL_LDLM_ENQUEUE_NET                       0x302
316 #define OBD_FAIL_LDLM_CONVERT_NET                       0x303
317 #define OBD_FAIL_LDLM_CANCEL_NET                        0x304
318 #define OBD_FAIL_LDLM_BL_CALLBACK_NET                   0x305
319 #define OBD_FAIL_LDLM_CP_CALLBACK_NET                   0x306
320 #define OBD_FAIL_LDLM_GL_CALLBACK_NET                   0x307
321 #define OBD_FAIL_LDLM_ENQUEUE_EXTENT_ERR 0x308
322 #define OBD_FAIL_LDLM_ENQUEUE_INTENT_ERR 0x309
323 #define OBD_FAIL_LDLM_CREATE_RESOURCE    0x30a
324 #define OBD_FAIL_LDLM_ENQUEUE_BLOCKED    0x30b
325 #define OBD_FAIL_LDLM_REPLY              0x30c
326 #define OBD_FAIL_LDLM_RECOV_CLIENTS      0x30d
327 #define OBD_FAIL_LDLM_ENQUEUE_OLD_EXPORT 0x30e
328 #define OBD_FAIL_LDLM_GLIMPSE            0x30f
329 #define OBD_FAIL_LDLM_CANCEL_RACE        0x310
330 #define OBD_FAIL_LDLM_CANCEL_EVICT_RACE  0x311
331 #define OBD_FAIL_LDLM_PAUSE_CANCEL       0x312
332 #define OBD_FAIL_LDLM_CLOSE_THREAD       0x313
333 #define OBD_FAIL_LDLM_CANCEL_BL_CB_RACE  0x314
334 #define OBD_FAIL_LDLM_CP_CB_WAIT         0x315
335 #define OBD_FAIL_LDLM_OST_FAIL_RACE      0x316
336 #define OBD_FAIL_LDLM_INTR_CP_AST        0x317
337 #define OBD_FAIL_LDLM_CP_BL_RACE         0x318
338 #define OBD_FAIL_LDLM_NEW_LOCK           0x319
339 #define OBD_FAIL_LDLM_AGL_DELAY          0x31a
340 #define OBD_FAIL_LDLM_AGL_NOLOCK         0x31b
341 #define OBD_FAIL_LDLM_OST_LVB            0x31c
342
343 /* LOCKLESS IO */
344 #define OBD_FAIL_LDLM_SET_CONTENTION     0x385
345
346 #define OBD_FAIL_OSC                     0x400
347 #define OBD_FAIL_OSC_BRW_READ_BULK       0x401
348 #define OBD_FAIL_OSC_BRW_WRITE_BULK      0x402
349 #define OBD_FAIL_OSC_LOCK_BL_AST         0x403
350 #define OBD_FAIL_OSC_LOCK_CP_AST         0x404
351 #define OBD_FAIL_OSC_MATCH               0x405
352 #define OBD_FAIL_OSC_BRW_PREP_REQ        0x406
353 #define OBD_FAIL_OSC_SHUTDOWN            0x407
354 #define OBD_FAIL_OSC_CHECKSUM_RECEIVE    0x408
355 #define OBD_FAIL_OSC_CHECKSUM_SEND       0x409
356 #define OBD_FAIL_OSC_BRW_PREP_REQ2       0x40a
357 #define OBD_FAIL_OSC_CONNECT_CKSUM       0x40b
358 #define OBD_FAIL_OSC_CKSUM_ADLER_ONLY    0x40c
359 #define OBD_FAIL_OSC_DIO_PAUSE           0x40d
360 #define OBD_FAIL_OSC_OBJECT_CONTENTION   0x40e
361 #define OBD_FAIL_OSC_CP_CANCEL_RACE      0x40f
362 #define OBD_FAIL_OSC_CP_ENQ_RACE         0x410
363 #define OBD_FAIL_OSC_NO_GRANT            0x411
364 #define OBD_FAIL_OSC_DELAY_SETTIME       0x412
365
366 #define OBD_FAIL_PTLRPC                  0x500
367 #define OBD_FAIL_PTLRPC_ACK              0x501
368 #define OBD_FAIL_PTLRPC_RQBD             0x502
369 #define OBD_FAIL_PTLRPC_BULK_GET_NET     0x503
370 #define OBD_FAIL_PTLRPC_BULK_PUT_NET     0x504
371 #define OBD_FAIL_PTLRPC_DROP_RPC         0x505
372 #define OBD_FAIL_PTLRPC_DELAY_SEND       0x506
373 #define OBD_FAIL_PTLRPC_DELAY_RECOV      0x507
374 #define OBD_FAIL_PTLRPC_CLIENT_BULK_CB   0x508
375 #define OBD_FAIL_PTLRPC_PAUSE_REQ        0x50a
376 #define OBD_FAIL_PTLRPC_PAUSE_REP        0x50c
377 #define OBD_FAIL_PTLRPC_IMP_DEACTIVE     0x50d
378 #define OBD_FAIL_PTLRPC_DUMP_LOG         0x50e
379 #define OBD_FAIL_PTLRPC_LONG_REPL_UNLINK 0x50f
380 #define OBD_FAIL_PTLRPC_LONG_BULK_UNLINK 0x510
381 #define OBD_FAIL_PTLRPC_HPREQ_TIMEOUT    0x511
382 #define OBD_FAIL_PTLRPC_HPREQ_NOTIMEOUT  0x512
383 #define OBD_FAIL_PTLRPC_DROP_REQ_OPC     0x513
384 #define OBD_FAIL_PTLRPC_FINISH_REPLAY    0x514
385 #define OBD_FAIL_PTLRPC_CLIENT_BULK_CB2  0x515
386 #define OBD_FAIL_PTLRPC_DELAY_IMP_FULL   0x516
387 #define OBD_FAIL_PTLRPC_CANCEL_RESEND    0x517
388
389 #define OBD_FAIL_OBD_PING_NET            0x600
390 #define OBD_FAIL_OBD_LOG_CANCEL_NET      0x601
391 #define OBD_FAIL_OBD_LOGD_NET            0x602
392 #define OBD_FAIL_OBD_QC_CALLBACK_NET     0x603
393 #define OBD_FAIL_OBD_DQACQ               0x604
394 #define OBD_FAIL_OBD_LLOG_SETUP          0x605
395 #define OBD_FAIL_OBD_LOG_CANCEL_REP      0x606
396 #define OBD_FAIL_OBD_IDX_READ_NET        0x607
397 #define OBD_FAIL_OBD_IDX_READ_BREAK      0x608
398 #define OBD_FAIL_OBD_NO_LRU              0x609
399
400 #define OBD_FAIL_TGT_REPLY_NET           0x700
401 #define OBD_FAIL_TGT_CONN_RACE           0x701
402 #define OBD_FAIL_TGT_FORCE_RECONNECT     0x702
403 #define OBD_FAIL_TGT_DELAY_CONNECT       0x703
404 #define OBD_FAIL_TGT_DELAY_RECONNECT     0x704
405 #define OBD_FAIL_TGT_DELAY_PRECREATE     0x705
406 #define OBD_FAIL_TGT_TOOMANY_THREADS     0x706
407 #define OBD_FAIL_TGT_REPLAY_DROP         0x707
408 #define OBD_FAIL_TGT_FAKE_EXP            0x708
409 #define OBD_FAIL_TGT_REPLAY_DELAY        0x709
410 #define OBD_FAIL_TGT_LAST_REPLAY         0x710
411 #define OBD_FAIL_TGT_CLIENT_ADD          0x711
412 #define OBD_FAIL_TGT_RCVG_FLAG           0x712
413
414 #define OBD_FAIL_MDC_REVALIDATE_PAUSE    0x800
415 #define OBD_FAIL_MDC_ENQUEUE_PAUSE       0x801
416 #define OBD_FAIL_MDC_OLD_EXT_FLAGS       0x802
417 #define OBD_FAIL_MDC_GETATTR_ENQUEUE     0x803
418 #define OBD_FAIL_MDC_RPCS_SEM            0x804
419 #define OBD_FAIL_MDC_LIGHTWEIGHT         0x805
420
421 #define OBD_FAIL_MGS                     0x900
422 #define OBD_FAIL_MGS_ALL_REQUEST_NET     0x901
423 #define OBD_FAIL_MGS_ALL_REPLY_NET       0x902
424 #define OBD_FAIL_MGC_PAUSE_PROCESS_LOG   0x903
425 #define OBD_FAIL_MGS_PAUSE_REQ           0x904
426 #define OBD_FAIL_MGS_PAUSE_TARGET_REG    0x905
427
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
432
433 #define OBD_FAIL_LPROC_REMOVE            0xB00
434
435 #define OBD_FAIL_GENERAL_ALLOC           0xC00
436
437 #define OBD_FAIL_SEQ                     0x1000
438 #define OBD_FAIL_SEQ_QUERY_NET           0x1001
439 #define OBD_FAIL_SEQ_EXHAUST             0x1002
440
441 #define OBD_FAIL_FLD                     0x1100
442 #define OBD_FAIL_FLD_QUERY_NET           0x1101
443
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
449
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
462
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
469 #define OBD_FAIL_FID_INDIR      0x1501
470 #define OBD_FAIL_FID_INLMA      0x1502
471 #define OBD_FAIL_FID_IGIF       0x1504
472 #define OBD_FAIL_FID_LOOKUP     0x1505
473 #define OBD_FAIL_FID_NOLMA      0x1506
474
475 /* LFSCK */
476 #define OBD_FAIL_LFSCK_DELAY1           0x1600
477 #define OBD_FAIL_LFSCK_DELAY2           0x1601
478 #define OBD_FAIL_LFSCK_DELAY3           0x1602
479 #define OBD_FAIL_LFSCK_LINKEA_CRASH     0x1603
480 #define OBD_FAIL_LFSCK_LINKEA_MORE      0x1604
481 #define OBD_FAIL_LFSCK_LINKEA_MORE2     0x1605
482 #define OBD_FAIL_LFSCK_FATAL1           0x1608
483 #define OBD_FAIL_LFSCK_FATAL2           0x1609
484 #define OBD_FAIL_LFSCK_CRASH            0x160a
485 #define OBD_FAIL_LFSCK_NO_AUTO          0x160b
486 #define OBD_FAIL_LFSCK_NO_DOUBLESCAN    0x160c
487
488 /* UPDATE */
489 #define OBD_FAIL_UPDATE_OBJ_NET                 0x1700
490 #define OBD_FAIL_UPDATE_OBJ_NET_REP             0x1701
491
492
493 /* Assign references to moved code to reduce code changes */
494 #define OBD_FAIL_PRECHECK(id)                   CFS_FAIL_PRECHECK(id)
495 #define OBD_FAIL_CHECK(id)                      CFS_FAIL_CHECK(id)
496 #define OBD_FAIL_CHECK_VALUE(id, value)         CFS_FAIL_CHECK_VALUE(id, value)
497 #define OBD_FAIL_CHECK_ORSET(id, value)         CFS_FAIL_CHECK_ORSET(id, value)
498 #define OBD_FAIL_CHECK_RESET(id, value)         CFS_FAIL_CHECK_RESET(id, value)
499 #define OBD_FAIL_RETURN(id, ret)                CFS_FAIL_RETURN(id, ret)
500 #define OBD_FAIL_TIMEOUT(id, secs)              CFS_FAIL_TIMEOUT(id, secs)
501 #define OBD_FAIL_TIMEOUT_MS(id, ms)             CFS_FAIL_TIMEOUT_MS(id, ms)
502 #define OBD_FAIL_TIMEOUT_ORSET(id, value, secs) CFS_FAIL_TIMEOUT_ORSET(id, value, secs)
503 #define OBD_RACE(id)                            CFS_RACE(id)
504 #define OBD_FAIL_ONCE                           CFS_FAIL_ONCE
505 #define OBD_FAILED                              CFS_FAILED
506
507 extern cfs_atomic_t libcfs_kmemory;
508
509 #ifdef LPROCFS
510 #define obd_memory_add(size)                                                  \
511         lprocfs_counter_add(obd_memory, OBD_MEMORY_STAT, (long)(size))
512 #define obd_memory_sub(size)                                                  \
513         lprocfs_counter_sub(obd_memory, OBD_MEMORY_STAT, (long)(size))
514 #define obd_memory_sum()                                                      \
515         lprocfs_stats_collector(obd_memory, OBD_MEMORY_STAT,                  \
516                                 LPROCFS_FIELDS_FLAGS_SUM)
517 #define obd_pages_add(order)                                                  \
518         lprocfs_counter_add(obd_memory, OBD_MEMORY_PAGES_STAT,                \
519                             (long)(1 << (order)))
520 #define obd_pages_sub(order)                                                  \
521         lprocfs_counter_sub(obd_memory, OBD_MEMORY_PAGES_STAT,                \
522                             (long)(1 << (order)))
523 #define obd_pages_sum()                                                       \
524         lprocfs_stats_collector(obd_memory, OBD_MEMORY_PAGES_STAT,            \
525                                 LPROCFS_FIELDS_FLAGS_SUM)
526
527 extern void obd_update_maxusage(void);
528 extern __u64 obd_memory_max(void);
529 extern __u64 obd_pages_max(void);
530
531 #else
532
533 extern __u64 obd_alloc;
534 extern __u64 obd_pages;
535
536 extern __u64 obd_max_alloc;
537 extern __u64 obd_max_pages;
538
539 static inline void obd_memory_add(long size)
540 {
541         obd_alloc += size;
542         if (obd_alloc > obd_max_alloc)
543                 obd_max_alloc = obd_alloc;
544 }
545
546 static inline void obd_memory_sub(long size)
547 {
548         obd_alloc -= size;
549 }
550
551 static inline void obd_pages_add(int order)
552 {
553         obd_pages += 1<< order;
554         if (obd_pages > obd_max_pages)
555                 obd_max_pages = obd_pages;
556 }
557
558 static inline void obd_pages_sub(int order)
559 {
560         obd_pages -= 1<< order;
561 }
562
563 #define obd_memory_sum() (obd_alloc)
564 #define obd_pages_sum()  (obd_pages)
565
566 #define obd_memory_max() (obd_max_alloc)
567 #define obd_pages_max() (obd_max_pages)
568
569 #endif
570
571 #define OBD_DEBUG_MEMUSAGE (1)
572
573 #if OBD_DEBUG_MEMUSAGE
574 #define OBD_ALLOC_POST(ptr, size, name)                                 \
575                 obd_memory_add(size);                                   \
576                 CDEBUG(D_MALLOC, name " '" #ptr "': %d at %p.\n",       \
577                        (int)(size), ptr)
578
579 #define OBD_FREE_PRE(ptr, size, name)                                   \
580         LASSERT(ptr);                                                   \
581         obd_memory_sub(size);                                           \
582         CDEBUG(D_MALLOC, name " '" #ptr "': %d at %p.\n",               \
583                (int)(size), ptr);                                       \
584         POISON(ptr, 0x5a, size)
585
586 #else /* !OBD_DEBUG_MEMUSAGE */
587
588 #define OBD_ALLOC_POST(ptr, size, name) ((void)0)
589 #define OBD_FREE_PRE(ptr, size, name)   ((void)0)
590
591 #endif /* !OBD_DEBUG_MEMUSAGE */
592
593 #ifdef RANDOM_FAIL_ALLOC
594 #define HAS_FAIL_ALLOC_FLAG OBD_FAIL_CHECK(OBD_FAIL_GENERAL_ALLOC)
595 #else
596 #define HAS_FAIL_ALLOC_FLAG 0
597 #endif
598
599 #define OBD_ALLOC_FAIL_BITS 24
600 #define OBD_ALLOC_FAIL_MASK ((1 << OBD_ALLOC_FAIL_BITS) - 1)
601 #define OBD_ALLOC_FAIL_MULT (OBD_ALLOC_FAIL_MASK / 100)
602
603 #if defined(LUSTRE_UTILS) /* this version is for utils only */
604 #define __OBD_MALLOC_VERBOSE(ptr, cptab, cpt, size, flags)                    \
605 do {                                                                          \
606         (ptr) = (cptab) == NULL ?                                             \
607                 cfs_alloc(size, flags) :                                      \
608                 cfs_cpt_malloc(cptab, cpt, size, flags);                      \
609         if (unlikely((ptr) == NULL)) {                                        \
610                 CERROR("kmalloc of '" #ptr "' (%d bytes) failed at %s:%d\n",  \
611                        (int)(size), __FILE__, __LINE__);                      \
612         } else {                                                              \
613                 memset(ptr, 0, size);                                         \
614                 CDEBUG(D_MALLOC, "kmalloced '" #ptr "': %d at %p\n",          \
615                        (int)(size), ptr);                                     \
616         }                                                                     \
617 } while (0)
618
619 #else /* this version is for the kernel and liblustre */
620 #define OBD_FREE_RTN0(ptr)                                                    \
621 ({                                                                            \
622         cfs_free(ptr);                                                        \
623         (ptr) = NULL;                                                         \
624         0;                                                                    \
625 })
626
627 #define __OBD_MALLOC_VERBOSE(ptr, cptab, cpt, size, flags)                    \
628 do {                                                                          \
629         (ptr) = (cptab) == NULL ?                                             \
630                 cfs_alloc(size, flags) :                                      \
631                 cfs_cpt_malloc(cptab, cpt, size, flags);                      \
632         if (likely((ptr) != NULL &&                                           \
633                    (!HAS_FAIL_ALLOC_FLAG || obd_alloc_fail_rate == 0 ||       \
634                     !obd_alloc_fail(ptr, #ptr, "km", size,                    \
635                                     __FILE__, __LINE__) ||                    \
636                     OBD_FREE_RTN0(ptr)))){                                    \
637                 memset(ptr, 0, size);                                         \
638                 OBD_ALLOC_POST(ptr, size, "kmalloced");                       \
639         }                                                                     \
640 } while (0)
641 #endif
642
643 #define OBD_ALLOC_GFP(ptr, size, gfp_mask)                                    \
644         __OBD_MALLOC_VERBOSE(ptr, NULL, 0, size, gfp_mask)
645
646 #define OBD_ALLOC(ptr, size) OBD_ALLOC_GFP(ptr, size, CFS_ALLOC_IO)
647 #define OBD_ALLOC_WAIT(ptr, size) OBD_ALLOC_GFP(ptr, size, CFS_ALLOC_STD)
648 #define OBD_ALLOC_PTR(ptr) OBD_ALLOC(ptr, sizeof *(ptr))
649 #define OBD_ALLOC_PTR_WAIT(ptr) OBD_ALLOC_WAIT(ptr, sizeof *(ptr))
650
651 #define OBD_CPT_ALLOC_GFP(ptr, cptab, cpt, size, gfp_mask)                    \
652         __OBD_MALLOC_VERBOSE(ptr, cptab, cpt, size, gfp_mask)
653
654 #define OBD_CPT_ALLOC(ptr, cptab, cpt, size)                                  \
655         OBD_CPT_ALLOC_GFP(ptr, cptab, cpt, size, CFS_ALLOC_IO)
656
657 #define OBD_CPT_ALLOC_PTR(ptr, cptab, cpt)                                    \
658         OBD_CPT_ALLOC(ptr, cptab, cpt, sizeof *(ptr))
659
660 # define __OBD_VMALLOC_VEROBSE(ptr, cptab, cpt, size)                         \
661 do {                                                                          \
662         (ptr) = cptab == NULL ?                                               \
663                 cfs_alloc_large(size) :                                       \
664                 cfs_cpt_vmalloc(cptab, cpt, size);                            \
665         if (unlikely((ptr) == NULL)) {                                        \
666                 CERROR("vmalloc of '" #ptr "' (%d bytes) failed\n",           \
667                        (int)(size));                                          \
668                 CERROR(LPU64" total bytes allocated by Lustre, %d by LNET\n", \
669                        obd_memory_sum(), cfs_atomic_read(&libcfs_kmemory));   \
670         } else {                                                              \
671                 memset(ptr, 0, size);                                         \
672                 OBD_ALLOC_POST(ptr, size, "vmalloced");                       \
673         }                                                                     \
674 } while(0)
675
676 # define OBD_VMALLOC(ptr, size)                                               \
677          __OBD_VMALLOC_VEROBSE(ptr, NULL, 0, size)
678 # define OBD_CPT_VMALLOC(ptr, cptab, cpt, size)                               \
679          __OBD_VMALLOC_VEROBSE(ptr, cptab, cpt, size)
680
681 #ifdef __KERNEL__
682
683 /* Allocations above this size are considered too big and could not be done
684  * atomically.
685  *
686  * Be very careful when changing this value, especially when decreasing it,
687  * since vmalloc in Linux doesn't perform well on multi-cores system, calling
688  * vmalloc in critical path would hurt peformance badly. See LU-66.
689  */
690 #define OBD_ALLOC_BIG (4 * CFS_PAGE_SIZE)
691
692 #define OBD_ALLOC_LARGE(ptr, size)                                            \
693 do {                                                                          \
694         if (size > OBD_ALLOC_BIG)                                             \
695                 OBD_VMALLOC(ptr, size);                                       \
696         else                                                                  \
697                 OBD_ALLOC(ptr, size);                                         \
698 } while (0)
699
700 #define OBD_CPT_ALLOC_LARGE(ptr, cptab, cpt, size)                            \
701 do {                                                                          \
702         if (size > OBD_ALLOC_BIG)                                             \
703                 OBD_CPT_VMALLOC(ptr, cptab, cpt, size);                       \
704         else                                                                  \
705                 OBD_CPT_ALLOC(ptr, cptab, cpt, size);                         \
706 } while (0)
707
708 #define OBD_FREE_LARGE(ptr, size)                                             \
709 do {                                                                          \
710         if (size > OBD_ALLOC_BIG)                                             \
711                 OBD_VFREE(ptr, size);                                         \
712         else                                                                  \
713                 OBD_FREE(ptr, size);                                          \
714 } while (0)
715
716 #else /* !__KERNEL__ */
717
718 #define OBD_ALLOC_LARGE(ptr, size)                                            \
719         OBD_ALLOC(ptr, size)
720 #define OBD_CPT_ALLOC_LARGE(ptr, cptab, cpt, size)                            \
721         OBD_ALLOC(ptr, size)
722 #define OBD_FREE_LARGE(ptr, size)                                             \
723         OBD_FREE(ptr, size)
724
725 #endif /* __KERNEL__ */
726
727 #ifdef CONFIG_DEBUG_SLAB
728 #define POISON(ptr, c, s) do {} while (0)
729 #define POISON_PTR(ptr)  ((void)0)
730 #else
731 #define POISON(ptr, c, s) memset(ptr, c, s)
732 #define POISON_PTR(ptr)  (ptr) = (void *)0xdeadbeef
733 #endif
734
735 #ifdef POISON_BULK
736 #define POISON_PAGE(page, val) do { memset(kmap(page), val, CFS_PAGE_SIZE);   \
737                                     kunmap(page); } while (0)
738 #else
739 #define POISON_PAGE(page, val) do { } while (0)
740 #endif
741
742 #ifdef __KERNEL__
743 #define OBD_FREE(ptr, size)                                                   \
744 do {                                                                          \
745         OBD_FREE_PRE(ptr, size, "kfreed");                                    \
746         cfs_free(ptr);                                                        \
747         POISON_PTR(ptr);                                                      \
748 } while(0)
749
750
751 #define OBD_FREE_RCU(ptr, size, handle)                                       \
752 do {                                                                          \
753         struct portals_handle *__h = (handle);                                \
754                                                                               \
755         LASSERT(handle != NULL);                                              \
756         __h->h_cookie = (unsigned long)(ptr);                                 \
757         __h->h_size = (size);                                                 \
758         call_rcu(&__h->h_rcu, class_handle_free_cb);                          \
759         POISON_PTR(ptr);                                                      \
760 } while(0)
761
762 #else
763 #define OBD_FREE(ptr, size) ((void)(size), free((ptr)))
764 #define OBD_FREE_RCU(ptr, size, handle) (OBD_FREE(ptr, size))
765 #endif /* ifdef __KERNEL__ */
766
767 #define OBD_VFREE(ptr, size)                            \
768         do {                                            \
769                 OBD_FREE_PRE(ptr, size, "vfreed");      \
770                 cfs_free_large(ptr);                    \
771                 POISON_PTR(ptr);                        \
772         } while (0)
773
774 /* we memset() the slab object to 0 when allocation succeeds, so DO NOT
775  * HAVE A CTOR THAT DOES ANYTHING.  its work will be cleared here.  we'd
776  * love to assert on that, but slab.c keeps kmem_cache_s all to itself. */
777 #define OBD_SLAB_FREE_RTN0(ptr, slab)                                         \
778 ({                                                                            \
779         cfs_mem_cache_free((slab), (ptr));                                    \
780         (ptr) = NULL;                                                         \
781         0;                                                                    \
782 })
783
784 #define __OBD_SLAB_ALLOC_VERBOSE(ptr, slab, cptab, cpt, size, type)           \
785 do {                                                                          \
786         LASSERT(ergo((type) != CFS_ALLOC_ATOMIC, !cfs_in_interrupt()));       \
787         (ptr) = (cptab) == NULL ?                                             \
788                 cfs_mem_cache_alloc(slab, type) :                             \
789                 cfs_mem_cache_cpt_alloc(slab, cptab, cpt, type);              \
790         if (likely((ptr) != NULL &&                                           \
791                    (!HAS_FAIL_ALLOC_FLAG || obd_alloc_fail_rate == 0 ||       \
792                     !obd_alloc_fail(ptr, #ptr, "slab-", size,                 \
793                                     __FILE__, __LINE__) ||                    \
794                     OBD_SLAB_FREE_RTN0(ptr, slab)))) {                        \
795                 memset(ptr, 0, size);                                         \
796                 OBD_ALLOC_POST(ptr, size, "slab-alloced");                    \
797         }                                                                     \
798 } while(0)
799
800 #define OBD_SLAB_ALLOC_GFP(ptr, slab, size, flags)                            \
801         __OBD_SLAB_ALLOC_VERBOSE(ptr, slab, NULL, 0, size, flags)
802 #define OBD_SLAB_CPT_ALLOC_GFP(ptr, slab, cptab, cpt, size, flags)            \
803         __OBD_SLAB_ALLOC_VERBOSE(ptr, slab, cptab, cpt, size, flags)
804
805 #define OBD_FREE_PTR(ptr) OBD_FREE(ptr, sizeof *(ptr))
806
807 #define OBD_SLAB_FREE(ptr, slab, size)                                        \
808 do {                                                                          \
809         OBD_FREE_PRE(ptr, size, "slab-freed");                                \
810         cfs_mem_cache_free(slab, ptr);                                        \
811         POISON_PTR(ptr);                                                      \
812 } while(0)
813
814 #define OBD_SLAB_ALLOC(ptr, slab, size)                                       \
815         OBD_SLAB_ALLOC_GFP(ptr, slab, size, CFS_ALLOC_IO)
816
817 #define OBD_SLAB_CPT_ALLOC(ptr, slab, cptab, cpt, size)                       \
818         OBD_SLAB_CPT_ALLOC_GFP(ptr, slab, cptab, cpt, size, CFS_ALLOC_IO)
819
820 #define OBD_SLAB_ALLOC_PTR(ptr, slab)                                         \
821         OBD_SLAB_ALLOC(ptr, slab, sizeof *(ptr))
822
823 #define OBD_SLAB_CPT_ALLOC_PTR(ptr, slab, cptab, cpt)                         \
824         OBD_SLAB_CPT_ALLOC(ptr, slab, cptab, cpt, sizeof *(ptr))
825
826 #define OBD_SLAB_ALLOC_PTR_GFP(ptr, slab, flags)                              \
827         OBD_SLAB_ALLOC_GFP(ptr, slab, sizeof *(ptr), flags)
828
829 #define OBD_SLAB_CPT_ALLOC_PTR_GFP(ptr, slab, cptab, cpt, flags)                      \
830         OBD_SLAB_CPT_ALLOC_GFP(ptr, slab, cptab, cpt, sizeof *(ptr), flags)
831
832 #define OBD_SLAB_FREE_PTR(ptr, slab)                                          \
833         OBD_SLAB_FREE((ptr), (slab), sizeof *(ptr))
834
835 #define KEY_IS(str) \
836         (keylen >= (sizeof(str)-1) && memcmp(key, str, (sizeof(str)-1)) == 0)
837
838 /* Wrapper for contiguous page frame allocation */
839 #define __OBD_PAGE_ALLOC_VERBOSE(ptr, cptab, cpt, gfp_mask)                   \
840 do {                                                                          \
841         (ptr) = (cptab) == NULL ?                                             \
842                 cfs_alloc_page(gfp_mask) :                                    \
843                 cfs_page_cpt_alloc(cptab, cpt, gfp_mask);                     \
844         if (unlikely((ptr) == NULL)) {                                        \
845                 CERROR("alloc_pages of '" #ptr "' %d page(s) / "LPU64" bytes "\
846                        "failed\n", (int)1,                                    \
847                        (__u64)(1 << CFS_PAGE_SHIFT));                         \
848                 CERROR(LPU64" total bytes and "LPU64" total pages "           \
849                        "("LPU64" bytes) allocated by Lustre, "                \
850                        "%d total bytes by LNET\n",                            \
851                        obd_memory_sum(),                                      \
852                        obd_pages_sum() << CFS_PAGE_SHIFT,                     \
853                        obd_pages_sum(),                                       \
854                        cfs_atomic_read(&libcfs_kmemory));                     \
855         } else {                                                              \
856                 obd_pages_add(0);                                             \
857                 CDEBUG(D_MALLOC, "alloc_pages '" #ptr "': %d page(s) / "      \
858                        LPU64" bytes at %p.\n",                                \
859                        (int)1,                                                \
860                        (__u64)(1 << CFS_PAGE_SHIFT), ptr);                    \
861         }                                                                     \
862 } while (0)
863
864 #define OBD_PAGE_ALLOC(ptr, gfp_mask)                                         \
865         __OBD_PAGE_ALLOC_VERBOSE(ptr, NULL, 0, gfp_mask)
866 #define OBD_PAGE_CPT_ALLOC(ptr, cptab, cpt, gfp_mask)                         \
867         __OBD_PAGE_ALLOC_VERBOSE(ptr, cptab, cpt, gfp_mask)
868
869 #define OBD_PAGE_FREE(ptr)                                                    \
870 do {                                                                          \
871         LASSERT(ptr);                                                         \
872         obd_pages_sub(0);                                                     \
873         CDEBUG(D_MALLOC, "free_pages '" #ptr "': %d page(s) / "LPU64" bytes " \
874                "at %p.\n",                                                    \
875                (int)1, (__u64)(1 << CFS_PAGE_SHIFT),                          \
876                ptr);                                                          \
877         cfs_free_page(ptr);                                                   \
878         (ptr) = (void *)0xdeadbeef;                                           \
879 } while (0)
880
881 #endif