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[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_unstable_pages;
79 extern cfs_atomic_t obd_dirty_pages;
80 extern cfs_atomic_t obd_dirty_transit_pages;
81 extern unsigned int obd_alloc_fail_rate;
82 extern char obd_jobid_var[];
83
84 /* lvfs.c */
85 int obd_alloc_fail(const void *ptr, const char *name, const char *type,
86                    size_t size, const char *file, int line);
87
88 /* Some hash init argument constants */
89 #define HASH_POOLS_BKT_BITS 3
90 #define HASH_POOLS_CUR_BITS 3
91 #define HASH_POOLS_MAX_BITS 7
92 #define HASH_UUID_BKT_BITS 5
93 #define HASH_UUID_CUR_BITS 7
94 #define HASH_UUID_MAX_BITS 12
95 #define HASH_NID_BKT_BITS 5
96 #define HASH_NID_CUR_BITS 7
97 #define HASH_NID_MAX_BITS 12
98 #define HASH_NID_STATS_BKT_BITS 5
99 #define HASH_NID_STATS_CUR_BITS 7
100 #define HASH_NID_STATS_MAX_BITS 12
101 #define HASH_LQE_BKT_BITS 5
102 #define HASH_LQE_CUR_BITS 7
103 #define HASH_LQE_MAX_BITS 12
104 #define HASH_CONN_BKT_BITS 5
105 #define HASH_CONN_CUR_BITS 5
106 #define HASH_CONN_MAX_BITS 15
107 #define HASH_EXP_LOCK_BKT_BITS  5
108 #define HASH_EXP_LOCK_CUR_BITS  7
109 #define HASH_EXP_LOCK_MAX_BITS  16
110 #define HASH_CL_ENV_BKT_BITS    5
111 #define HASH_CL_ENV_BITS        10
112 #define HASH_JOB_STATS_BKT_BITS 5
113 #define HASH_JOB_STATS_CUR_BITS 7
114 #define HASH_JOB_STATS_MAX_BITS 12
115
116 /* Timeout definitions */
117 #define OBD_TIMEOUT_DEFAULT             100
118 #define LDLM_TIMEOUT_DEFAULT            20
119 #define MDS_LDLM_TIMEOUT_DEFAULT        6
120 /* Time to wait for all clients to reconnect during recovery (hard limit) */
121 #define OBD_RECOVERY_TIME_HARD          (obd_timeout * 9)
122 /* Time to wait for all clients to reconnect during recovery (soft limit) */
123 /* Should be very conservative; must catch the first reconnect after reboot */
124 #define OBD_RECOVERY_TIME_SOFT          (obd_timeout * 3)
125 /* Change recovery-small 26b time if you change this */
126 #define PING_INTERVAL max(obd_timeout / 4, 1U)
127 /* a bit more than maximal journal commit time in seconds */
128 #define PING_INTERVAL_SHORT min(PING_INTERVAL, 7U)
129 /* Client may skip 1 ping; we must wait at least 2.5. But for multiple
130  * failover targets the client only pings one server at a time, and pings
131  * can be lost on a loaded network. Since eviction has serious consequences,
132  * and there's no urgent need to evict a client just because it's idle, we
133  * should be very conservative here. */
134 #define PING_EVICT_TIMEOUT (PING_INTERVAL * 6)
135 #define DISK_TIMEOUT 50          /* Beyond this we warn about disk speed */
136 #define CONNECTION_SWITCH_MIN 5U /* Connection switching rate limiter */
137  /* Max connect interval for nonresponsive servers; ~50s to avoid building up
138     connect requests in the LND queues, but within obd_timeout so we don't
139     miss the recovery window */
140 #define CONNECTION_SWITCH_MAX min(50U, max(CONNECTION_SWITCH_MIN,obd_timeout))
141 #define CONNECTION_SWITCH_INC 5  /* Connection timeout backoff */
142 /* In general this should be low to have quick detection of a system
143    running on a backup server. (If it's too low, import_select_connection
144    will increase the timeout anyhow.)  */
145 #define INITIAL_CONNECT_TIMEOUT max(CONNECTION_SWITCH_MIN,obd_timeout/20)
146 /* The max delay between connects is SWITCH_MAX + SWITCH_INC + INITIAL */
147 #define RECONNECT_DELAY_MAX (CONNECTION_SWITCH_MAX + CONNECTION_SWITCH_INC + \
148                              INITIAL_CONNECT_TIMEOUT)
149 /* The min time a target should wait for clients to reconnect in recovery */
150 #define OBD_RECOVERY_TIME_MIN    (2*RECONNECT_DELAY_MAX)
151 #define OBD_IR_FACTOR_MIN         1
152 #define OBD_IR_FACTOR_MAX         10
153 #define OBD_IR_FACTOR_DEFAULT    (OBD_IR_FACTOR_MAX/2)
154 /* default timeout for the MGS to become IR_FULL */
155 #define OBD_IR_MGS_TIMEOUT       (4*obd_timeout)
156 #define LONG_UNLINK 300          /* Unlink should happen before now */
157
158 /**
159  * Time interval of shrink, if the client is "idle" more than this interval,
160  * then the ll_grant thread will return the requested grant space to filter
161  */
162 #define GRANT_SHRINK_INTERVAL            1200/*20 minutes*/
163
164 #define OBD_FAIL_MDS                     0x100
165 #define OBD_FAIL_MDS_HANDLE_UNPACK       0x101
166 #define OBD_FAIL_MDS_GETATTR_NET         0x102
167 #define OBD_FAIL_MDS_GETATTR_PACK        0x103
168 #define OBD_FAIL_MDS_READPAGE_NET        0x104
169 #define OBD_FAIL_MDS_READPAGE_PACK       0x105
170 #define OBD_FAIL_MDS_SENDPAGE            0x106
171 #define OBD_FAIL_MDS_REINT_NET           0x107
172 #define OBD_FAIL_MDS_REINT_UNPACK        0x108
173 #define OBD_FAIL_MDS_REINT_SETATTR       0x109
174 #define OBD_FAIL_MDS_REINT_SETATTR_WRITE 0x10a
175 #define OBD_FAIL_MDS_REINT_CREATE        0x10b
176 #define OBD_FAIL_MDS_REINT_CREATE_WRITE  0x10c
177 #define OBD_FAIL_MDS_REINT_UNLINK        0x10d
178 #define OBD_FAIL_MDS_REINT_UNLINK_WRITE  0x10e
179 #define OBD_FAIL_MDS_REINT_LINK          0x10f
180 #define OBD_FAIL_MDS_REINT_LINK_WRITE    0x110
181 #define OBD_FAIL_MDS_REINT_RENAME        0x111
182 #define OBD_FAIL_MDS_REINT_RENAME_WRITE  0x112
183 #define OBD_FAIL_MDS_OPEN_NET            0x113
184 #define OBD_FAIL_MDS_OPEN_PACK           0x114
185 #define OBD_FAIL_MDS_CLOSE_NET           0x115
186 #define OBD_FAIL_MDS_CLOSE_PACK          0x116
187 #define OBD_FAIL_MDS_CONNECT_NET         0x117
188 #define OBD_FAIL_MDS_CONNECT_PACK        0x118
189 #define OBD_FAIL_MDS_REINT_NET_REP       0x119
190 #define OBD_FAIL_MDS_DISCONNECT_NET      0x11a
191 #define OBD_FAIL_MDS_GETSTATUS_NET       0x11b
192 #define OBD_FAIL_MDS_GETSTATUS_PACK      0x11c
193 #define OBD_FAIL_MDS_STATFS_PACK         0x11d
194 #define OBD_FAIL_MDS_STATFS_NET          0x11e
195 #define OBD_FAIL_MDS_GETATTR_NAME_NET    0x11f
196 #define OBD_FAIL_MDS_PIN_NET             0x120
197 #define OBD_FAIL_MDS_UNPIN_NET           0x121
198 #define OBD_FAIL_MDS_ALL_REPLY_NET       0x122
199 #define OBD_FAIL_MDS_ALL_REQUEST_NET     0x123
200 #define OBD_FAIL_MDS_SYNC_NET            0x124
201 #define OBD_FAIL_MDS_SYNC_PACK           0x125
202 #define OBD_FAIL_MDS_DONE_WRITING_NET    0x126
203 #define OBD_FAIL_MDS_DONE_WRITING_PACK   0x127
204 #define OBD_FAIL_MDS_ALLOC_OBDO          0x128
205 #define OBD_FAIL_MDS_PAUSE_OPEN          0x129
206 #define OBD_FAIL_MDS_STATFS_LCW_SLEEP    0x12a
207 #define OBD_FAIL_MDS_OPEN_CREATE         0x12b
208 #define OBD_FAIL_MDS_OST_SETATTR         0x12c
209 #define OBD_FAIL_MDS_QUOTACHECK_NET      0x12d
210 #define OBD_FAIL_MDS_QUOTACTL_NET        0x12e
211 #define OBD_FAIL_MDS_CLIENT_ADD          0x12f
212 #define OBD_FAIL_MDS_GETXATTR_NET        0x130
213 #define OBD_FAIL_MDS_GETXATTR_PACK       0x131
214 #define OBD_FAIL_MDS_SETXATTR_NET        0x132
215 #define OBD_FAIL_MDS_SETXATTR            0x133
216 #define OBD_FAIL_MDS_SETXATTR_WRITE      0x134
217 #define OBD_FAIL_MDS_FS_SETUP            0x135
218 #define OBD_FAIL_MDS_RESEND              0x136
219 #define OBD_FAIL_MDS_LLOG_CREATE_FAILED  0x137
220 #define OBD_FAIL_MDS_LOV_SYNC_RACE       0x138
221 #define OBD_FAIL_MDS_OSC_PRECREATE       0x139
222 #define OBD_FAIL_MDS_LLOG_SYNC_TIMEOUT   0x13a
223 #define OBD_FAIL_MDS_CLOSE_NET_REP       0x13b
224 #define OBD_FAIL_MDS_BLOCK_QUOTA_REQ     0x13c
225 #define OBD_FAIL_MDS_DROP_QUOTA_REQ      0x13d
226 #define OBD_FAIL_MDS_REMOVE_COMMON_EA    0x13e
227 #define OBD_FAIL_MDS_ALLOW_COMMON_EA_SETTING   0x13f
228 #define OBD_FAIL_MDS_FAIL_LOV_LOG_ADD    0x140
229 #define OBD_FAIL_MDS_LOV_PREP_CREATE     0x141
230 #define OBD_FAIL_MDS_REINT_DELAY         0x142
231 #define OBD_FAIL_MDS_READLINK_EPROTO     0x143
232 #define OBD_FAIL_MDS_OPEN_WAIT_CREATE    0x144
233 #define OBD_FAIL_MDS_PDO_LOCK            0x145
234 #define OBD_FAIL_MDS_PDO_LOCK2           0x146
235 #define OBD_FAIL_MDS_OSC_CREATE_FAIL     0x147
236 #define OBD_FAIL_MDS_NEGATIVE_POSITIVE   0x148
237 #define OBD_FAIL_MDS_HSM_STATE_GET_NET          0x149
238 #define OBD_FAIL_MDS_HSM_STATE_SET_NET          0x14a
239 #define OBD_FAIL_MDS_HSM_PROGRESS_NET           0x14b
240 #define OBD_FAIL_MDS_HSM_REQUEST_NET            0x14c
241 #define OBD_FAIL_MDS_HSM_CT_REGISTER_NET        0x14d
242 #define OBD_FAIL_MDS_HSM_CT_UNREGISTER_NET      0x14e
243 #define OBD_FAIL_MDS_SWAP_LAYOUTS_NET           0x14f
244 #define OBD_FAIL_MDS_HSM_ACTION_NET             0x150
245 #define OBD_FAIL_MDS_CHANGELOG_INIT             0x151
246
247 /* layout lock */
248 #define OBD_FAIL_MDS_NO_LL_GETATTR       0x170
249 #define OBD_FAIL_MDS_NO_LL_OPEN          0x171
250 #define OBD_FAIL_MDS_LL_BLOCK            0x172
251
252 /* CMD */
253 #define OBD_FAIL_MDS_IS_SUBDIR_NET       0x180
254 #define OBD_FAIL_MDS_IS_SUBDIR_PACK      0x181
255 #define OBD_FAIL_MDS_SET_INFO_NET        0x182
256 #define OBD_FAIL_MDS_WRITEPAGE_NET       0x183
257 #define OBD_FAIL_MDS_WRITEPAGE_PACK      0x184
258 #define OBD_FAIL_MDS_RECOVERY_ACCEPTS_GAPS 0x185
259 #define OBD_FAIL_MDS_GET_INFO_NET        0x186
260 #define OBD_FAIL_MDS_DQACQ_NET           0x187
261
262 /* OI scrub */
263 #define OBD_FAIL_OSD_SCRUB_DELAY                        0x190
264 #define OBD_FAIL_OSD_SCRUB_CRASH                        0x191
265 #define OBD_FAIL_OSD_SCRUB_FATAL                        0x192
266 #define OBD_FAIL_OSD_FID_MAPPING                        0x193
267 #define OBD_FAIL_OSD_LMA_INCOMPAT                       0x194
268 #define OBD_FAIL_OSD_COMPAT_INVALID_ENTRY               0x195
269 #define OBD_FAIL_OSD_COMPAT_NO_ENTRY                    0x196
270
271 #define OBD_FAIL_OST                     0x200
272 #define OBD_FAIL_OST_CONNECT_NET         0x201
273 #define OBD_FAIL_OST_DISCONNECT_NET      0x202
274 #define OBD_FAIL_OST_GET_INFO_NET        0x203
275 #define OBD_FAIL_OST_CREATE_NET          0x204
276 #define OBD_FAIL_OST_DESTROY_NET         0x205
277 #define OBD_FAIL_OST_GETATTR_NET         0x206
278 #define OBD_FAIL_OST_SETATTR_NET         0x207
279 #define OBD_FAIL_OST_OPEN_NET            0x208
280 #define OBD_FAIL_OST_CLOSE_NET           0x209
281 #define OBD_FAIL_OST_BRW_NET             0x20a
282 #define OBD_FAIL_OST_PUNCH_NET           0x20b
283 #define OBD_FAIL_OST_STATFS_NET          0x20c
284 #define OBD_FAIL_OST_HANDLE_UNPACK       0x20d
285 #define OBD_FAIL_OST_BRW_WRITE_BULK      0x20e
286 #define OBD_FAIL_OST_BRW_READ_BULK       0x20f
287 #define OBD_FAIL_OST_SYNC_NET            0x210
288 #define OBD_FAIL_OST_ALL_REPLY_NET       0x211
289 #define OBD_FAIL_OST_ALL_REQUEST_NET     0x212
290 #define OBD_FAIL_OST_LDLM_REPLY_NET      0x213
291 #define OBD_FAIL_OST_BRW_PAUSE_BULK      0x214
292 #define OBD_FAIL_OST_ENOSPC              0x215
293 #define OBD_FAIL_OST_EROFS               0x216
294 #define OBD_FAIL_OST_ENOENT              0x217
295 #define OBD_FAIL_OST_QUOTACHECK_NET      0x218
296 #define OBD_FAIL_OST_QUOTACTL_NET        0x219
297 #define OBD_FAIL_OST_CHECKSUM_RECEIVE    0x21a
298 #define OBD_FAIL_OST_CHECKSUM_SEND       0x21b
299 #define OBD_FAIL_OST_BRW_SIZE            0x21c
300 #define OBD_FAIL_OST_DROP_REQ            0x21d
301 #define OBD_FAIL_OST_SETATTR_CREDITS     0x21e
302 #define OBD_FAIL_OST_HOLD_WRITE_RPC      0x21f
303 #define OBD_FAIL_OST_BRW_WRITE_BULK2     0x220
304 #define OBD_FAIL_OST_LLOG_RECOVERY_TIMEOUT 0x221
305 #define OBD_FAIL_OST_CANCEL_COOKIE_TIMEOUT 0x222
306 #define OBD_FAIL_OST_PAUSE_CREATE        0x223
307 #define OBD_FAIL_OST_BRW_PAUSE_PACK      0x224
308 #define OBD_FAIL_OST_CONNECT_NET2        0x225
309 #define OBD_FAIL_OST_NOMEM               0x226
310 #define OBD_FAIL_OST_BRW_PAUSE_BULK2     0x227
311 #define OBD_FAIL_OST_MAPBLK_ENOSPC       0x228
312 #define OBD_FAIL_OST_ENOINO              0x229
313 #define OBD_FAIL_OST_DQACQ_NET           0x230
314 #define OBD_FAIL_OST_STATFS_EINPROGRESS  0x231
315 #define OBD_FAIL_OST_SET_INFO_NET        0x232
316
317 #define OBD_FAIL_LDLM                    0x300
318 #define OBD_FAIL_LDLM_NAMESPACE_NEW      0x301
319 #define OBD_FAIL_LDLM_ENQUEUE_NET                       0x302
320 #define OBD_FAIL_LDLM_CONVERT_NET                       0x303
321 #define OBD_FAIL_LDLM_CANCEL_NET                        0x304
322 #define OBD_FAIL_LDLM_BL_CALLBACK_NET                   0x305
323 #define OBD_FAIL_LDLM_CP_CALLBACK_NET                   0x306
324 #define OBD_FAIL_LDLM_GL_CALLBACK_NET                   0x307
325 #define OBD_FAIL_LDLM_ENQUEUE_EXTENT_ERR 0x308
326 #define OBD_FAIL_LDLM_ENQUEUE_INTENT_ERR 0x309
327 #define OBD_FAIL_LDLM_CREATE_RESOURCE    0x30a
328 #define OBD_FAIL_LDLM_ENQUEUE_BLOCKED    0x30b
329 #define OBD_FAIL_LDLM_REPLY              0x30c
330 #define OBD_FAIL_LDLM_RECOV_CLIENTS      0x30d
331 #define OBD_FAIL_LDLM_ENQUEUE_OLD_EXPORT 0x30e
332 #define OBD_FAIL_LDLM_GLIMPSE            0x30f
333 #define OBD_FAIL_LDLM_CANCEL_RACE        0x310
334 #define OBD_FAIL_LDLM_CANCEL_EVICT_RACE  0x311
335 #define OBD_FAIL_LDLM_PAUSE_CANCEL       0x312
336 #define OBD_FAIL_LDLM_CLOSE_THREAD       0x313
337 #define OBD_FAIL_LDLM_CANCEL_BL_CB_RACE  0x314
338 #define OBD_FAIL_LDLM_CP_CB_WAIT         0x315
339 #define OBD_FAIL_LDLM_OST_FAIL_RACE      0x316
340 #define OBD_FAIL_LDLM_INTR_CP_AST        0x317
341 #define OBD_FAIL_LDLM_CP_BL_RACE         0x318
342 #define OBD_FAIL_LDLM_NEW_LOCK           0x319
343 #define OBD_FAIL_LDLM_AGL_DELAY          0x31a
344 #define OBD_FAIL_LDLM_AGL_NOLOCK         0x31b
345 #define OBD_FAIL_LDLM_OST_LVB            0x31c
346
347 /* LOCKLESS IO */
348 #define OBD_FAIL_LDLM_SET_CONTENTION     0x385
349
350 #define OBD_FAIL_OSC                     0x400
351 #define OBD_FAIL_OSC_BRW_READ_BULK       0x401
352 #define OBD_FAIL_OSC_BRW_WRITE_BULK      0x402
353 #define OBD_FAIL_OSC_LOCK_BL_AST         0x403
354 #define OBD_FAIL_OSC_LOCK_CP_AST         0x404
355 #define OBD_FAIL_OSC_MATCH               0x405
356 #define OBD_FAIL_OSC_BRW_PREP_REQ        0x406
357 #define OBD_FAIL_OSC_SHUTDOWN            0x407
358 #define OBD_FAIL_OSC_CHECKSUM_RECEIVE    0x408
359 #define OBD_FAIL_OSC_CHECKSUM_SEND       0x409
360 #define OBD_FAIL_OSC_BRW_PREP_REQ2       0x40a
361 #define OBD_FAIL_OSC_CONNECT_CKSUM       0x40b
362 #define OBD_FAIL_OSC_CKSUM_ADLER_ONLY    0x40c
363 #define OBD_FAIL_OSC_DIO_PAUSE           0x40d
364 #define OBD_FAIL_OSC_OBJECT_CONTENTION   0x40e
365 #define OBD_FAIL_OSC_CP_CANCEL_RACE      0x40f
366 #define OBD_FAIL_OSC_CP_ENQ_RACE         0x410
367 #define OBD_FAIL_OSC_NO_GRANT            0x411
368 #define OBD_FAIL_OSC_DELAY_SETTIME       0x412
369
370 #define OBD_FAIL_PTLRPC                  0x500
371 #define OBD_FAIL_PTLRPC_ACK              0x501
372 #define OBD_FAIL_PTLRPC_RQBD             0x502
373 #define OBD_FAIL_PTLRPC_BULK_GET_NET     0x503
374 #define OBD_FAIL_PTLRPC_BULK_PUT_NET     0x504
375 #define OBD_FAIL_PTLRPC_DROP_RPC         0x505
376 #define OBD_FAIL_PTLRPC_DELAY_SEND       0x506
377 #define OBD_FAIL_PTLRPC_DELAY_RECOV      0x507
378 #define OBD_FAIL_PTLRPC_CLIENT_BULK_CB   0x508
379 #define OBD_FAIL_PTLRPC_PAUSE_REQ        0x50a
380 #define OBD_FAIL_PTLRPC_PAUSE_REP        0x50c
381 #define OBD_FAIL_PTLRPC_IMP_DEACTIVE     0x50d
382 #define OBD_FAIL_PTLRPC_DUMP_LOG         0x50e
383 #define OBD_FAIL_PTLRPC_LONG_REPL_UNLINK 0x50f
384 #define OBD_FAIL_PTLRPC_LONG_BULK_UNLINK 0x510
385 #define OBD_FAIL_PTLRPC_HPREQ_TIMEOUT    0x511
386 #define OBD_FAIL_PTLRPC_HPREQ_NOTIMEOUT  0x512
387 #define OBD_FAIL_PTLRPC_DROP_REQ_OPC     0x513
388 #define OBD_FAIL_PTLRPC_FINISH_REPLAY    0x514
389 #define OBD_FAIL_PTLRPC_CLIENT_BULK_CB2  0x515
390 #define OBD_FAIL_PTLRPC_DELAY_IMP_FULL   0x516
391 #define OBD_FAIL_PTLRPC_CANCEL_RESEND    0x517
392
393 #define OBD_FAIL_OBD_PING_NET            0x600
394 #define OBD_FAIL_OBD_LOG_CANCEL_NET      0x601
395 #define OBD_FAIL_OBD_LOGD_NET            0x602
396 #define OBD_FAIL_OBD_QC_CALLBACK_NET     0x603
397 #define OBD_FAIL_OBD_DQACQ               0x604
398 #define OBD_FAIL_OBD_LLOG_SETUP          0x605
399 #define OBD_FAIL_OBD_LOG_CANCEL_REP      0x606
400 #define OBD_FAIL_OBD_IDX_READ_NET        0x607
401 #define OBD_FAIL_OBD_IDX_READ_BREAK      0x608
402 #define OBD_FAIL_OBD_NO_LRU              0x609
403
404 #define OBD_FAIL_TGT_REPLY_NET           0x700
405 #define OBD_FAIL_TGT_CONN_RACE           0x701
406 #define OBD_FAIL_TGT_FORCE_RECONNECT     0x702
407 #define OBD_FAIL_TGT_DELAY_CONNECT       0x703
408 #define OBD_FAIL_TGT_DELAY_RECONNECT     0x704
409 #define OBD_FAIL_TGT_DELAY_PRECREATE     0x705
410 #define OBD_FAIL_TGT_TOOMANY_THREADS     0x706
411 #define OBD_FAIL_TGT_REPLAY_DROP         0x707
412 #define OBD_FAIL_TGT_FAKE_EXP            0x708
413 #define OBD_FAIL_TGT_REPLAY_DELAY        0x709
414 #define OBD_FAIL_TGT_LAST_REPLAY         0x710
415 #define OBD_FAIL_TGT_CLIENT_ADD          0x711
416 #define OBD_FAIL_TGT_RCVG_FLAG           0x712
417
418 #define OBD_FAIL_MDC_REVALIDATE_PAUSE    0x800
419 #define OBD_FAIL_MDC_ENQUEUE_PAUSE       0x801
420 #define OBD_FAIL_MDC_OLD_EXT_FLAGS       0x802
421 #define OBD_FAIL_MDC_GETATTR_ENQUEUE     0x803
422 #define OBD_FAIL_MDC_RPCS_SEM            0x804
423 #define OBD_FAIL_MDC_LIGHTWEIGHT         0x805
424
425 #define OBD_FAIL_MGS                     0x900
426 #define OBD_FAIL_MGS_ALL_REQUEST_NET     0x901
427 #define OBD_FAIL_MGS_ALL_REPLY_NET       0x902
428 #define OBD_FAIL_MGC_PAUSE_PROCESS_LOG   0x903
429 #define OBD_FAIL_MGS_PAUSE_REQ           0x904
430 #define OBD_FAIL_MGS_PAUSE_TARGET_REG    0x905
431 #define OBD_FAIL_MGS_CONNECT_NET         0x906
432 #define OBD_FAIL_MGS_DISCONNECT_NET      0x907
433 #define OBD_FAIL_MGS_SET_INFO_NET        0x908
434 #define OBD_FAIL_MGS_EXCEPTION_NET       0x909
435 #define OBD_FAIL_MGS_TARGET_REG_NET      0x90a
436 #define OBD_FAIL_MGS_TARGET_DEL_NET      0x90b
437 #define OBD_FAIL_MGS_CONFIG_READ_NET     0x90c
438
439 #define OBD_FAIL_QUOTA_DQACQ_NET                        0xA01
440 #define OBD_FAIL_QUOTA_EDQUOT            0xA02
441 #define OBD_FAIL_QUOTA_DELAY_REINT       0xA03
442 #define OBD_FAIL_QUOTA_RECOVERABLE_ERR   0xA04
443
444 #define OBD_FAIL_LPROC_REMOVE            0xB00
445
446 #define OBD_FAIL_GENERAL_ALLOC           0xC00
447
448 #define OBD_FAIL_SEQ                     0x1000
449 #define OBD_FAIL_SEQ_QUERY_NET           0x1001
450 #define OBD_FAIL_SEQ_EXHAUST             0x1002
451
452 #define OBD_FAIL_FLD                     0x1100
453 #define OBD_FAIL_FLD_QUERY_NET           0x1101
454 #define OBD_FAIL_FLD_READ_NET            0x1102
455
456 #define OBD_FAIL_SEC_CTX                 0x1200
457 #define OBD_FAIL_SEC_CTX_INIT_NET        0x1201
458 #define OBD_FAIL_SEC_CTX_INIT_CONT_NET   0x1202
459 #define OBD_FAIL_SEC_CTX_FINI_NET        0x1203
460 #define OBD_FAIL_SEC_CTX_HDL_PAUSE       0x1204
461
462 #define OBD_FAIL_LLOG                               0x1300
463 #define OBD_FAIL_LLOG_ORIGIN_CONNECT_NET            0x1301
464 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_CREATE_NET      0x1302
465 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_DESTROY_NET     0x1303
466 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_READ_HEADER_NET 0x1304
467 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_NEXT_BLOCK_NET  0x1305
468 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_PREV_BLOCK_NET  0x1306
469 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_WRITE_REC_NET   0x1307
470 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_CLOSE_NET       0x1308
471 #define OBD_FAIL_LLOG_CATINFO_NET                   0x1309
472 #define OBD_FAIL_MDS_SYNC_CAPA_SL                   0x1310
473 #define OBD_FAIL_SEQ_ALLOC                          0x1311
474
475 #define OBD_FAIL_LLITE                              0x1400
476 #define OBD_FAIL_LLITE_FAULT_TRUNC_RACE             0x1401
477 #define OBD_FAIL_LOCK_STATE_WAIT_INTR               0x1402
478 #define OBD_FAIL_LOV_INIT                           0x1403
479 #define OBD_FAIL_GLIMPSE_DELAY                      0x1404
480 #define OBD_FAIL_LLITE_XATTR_ENOMEM                 0x1405
481
482 #define OBD_FAIL_FID_INDIR      0x1501
483 #define OBD_FAIL_FID_INLMA      0x1502
484 #define OBD_FAIL_FID_IGIF       0x1504
485 #define OBD_FAIL_FID_LOOKUP     0x1505
486 #define OBD_FAIL_FID_NOLMA      0x1506
487
488 /* LFSCK */
489 #define OBD_FAIL_LFSCK_DELAY1           0x1600
490 #define OBD_FAIL_LFSCK_DELAY2           0x1601
491 #define OBD_FAIL_LFSCK_DELAY3           0x1602
492 #define OBD_FAIL_LFSCK_LINKEA_CRASH     0x1603
493 #define OBD_FAIL_LFSCK_LINKEA_MORE      0x1604
494 #define OBD_FAIL_LFSCK_LINKEA_MORE2     0x1605
495 #define OBD_FAIL_LFSCK_FATAL1           0x1608
496 #define OBD_FAIL_LFSCK_FATAL2           0x1609
497 #define OBD_FAIL_LFSCK_CRASH            0x160a
498 #define OBD_FAIL_LFSCK_NO_AUTO          0x160b
499 #define OBD_FAIL_LFSCK_NO_DOUBLESCAN    0x160c
500
501 /* UPDATE */
502 #define OBD_FAIL_UPDATE_OBJ_NET                 0x1700
503 #define OBD_FAIL_UPDATE_OBJ_NET_REP             0x1701
504
505
506 /* Assign references to moved code to reduce code changes */
507 #define OBD_FAIL_PRECHECK(id)                   CFS_FAIL_PRECHECK(id)
508 #define OBD_FAIL_CHECK(id)                      CFS_FAIL_CHECK(id)
509 #define OBD_FAIL_CHECK_VALUE(id, value)         CFS_FAIL_CHECK_VALUE(id, value)
510 #define OBD_FAIL_CHECK_ORSET(id, value)         CFS_FAIL_CHECK_ORSET(id, value)
511 #define OBD_FAIL_CHECK_RESET(id, value)         CFS_FAIL_CHECK_RESET(id, value)
512 #define OBD_FAIL_RETURN(id, ret)                CFS_FAIL_RETURN(id, ret)
513 #define OBD_FAIL_TIMEOUT(id, secs)              CFS_FAIL_TIMEOUT(id, secs)
514 #define OBD_FAIL_TIMEOUT_MS(id, ms)             CFS_FAIL_TIMEOUT_MS(id, ms)
515 #define OBD_FAIL_TIMEOUT_ORSET(id, value, secs) CFS_FAIL_TIMEOUT_ORSET(id, value, secs)
516 #define OBD_RACE(id)                            CFS_RACE(id)
517 #define OBD_FAIL_ONCE                           CFS_FAIL_ONCE
518 #define OBD_FAILED                              CFS_FAILED
519
520 extern cfs_atomic_t libcfs_kmemory;
521
522 #ifdef LPROCFS
523 #define obd_memory_add(size)                                                  \
524         lprocfs_counter_add(obd_memory, OBD_MEMORY_STAT, (long)(size))
525 #define obd_memory_sub(size)                                                  \
526         lprocfs_counter_sub(obd_memory, OBD_MEMORY_STAT, (long)(size))
527 #define obd_memory_sum()                                                      \
528         lprocfs_stats_collector(obd_memory, OBD_MEMORY_STAT,                  \
529                                 LPROCFS_FIELDS_FLAGS_SUM)
530 #define obd_pages_add(order)                                                  \
531         lprocfs_counter_add(obd_memory, OBD_MEMORY_PAGES_STAT,                \
532                             (long)(1 << (order)))
533 #define obd_pages_sub(order)                                                  \
534         lprocfs_counter_sub(obd_memory, OBD_MEMORY_PAGES_STAT,                \
535                             (long)(1 << (order)))
536 #define obd_pages_sum()                                                       \
537         lprocfs_stats_collector(obd_memory, OBD_MEMORY_PAGES_STAT,            \
538                                 LPROCFS_FIELDS_FLAGS_SUM)
539
540 extern void obd_update_maxusage(void);
541 extern __u64 obd_memory_max(void);
542 extern __u64 obd_pages_max(void);
543
544 #else
545
546 extern __u64 obd_alloc;
547 extern __u64 obd_pages;
548
549 extern __u64 obd_max_alloc;
550 extern __u64 obd_max_pages;
551
552 static inline void obd_memory_add(long size)
553 {
554         obd_alloc += size;
555         if (obd_alloc > obd_max_alloc)
556                 obd_max_alloc = obd_alloc;
557 }
558
559 static inline void obd_memory_sub(long size)
560 {
561         obd_alloc -= size;
562 }
563
564 static inline void obd_pages_add(int order)
565 {
566         obd_pages += 1<< order;
567         if (obd_pages > obd_max_pages)
568                 obd_max_pages = obd_pages;
569 }
570
571 static inline void obd_pages_sub(int order)
572 {
573         obd_pages -= 1<< order;
574 }
575
576 #define obd_memory_sum() (obd_alloc)
577 #define obd_pages_sum()  (obd_pages)
578
579 #define obd_memory_max() (obd_max_alloc)
580 #define obd_pages_max() (obd_max_pages)
581
582 #endif
583
584 #define OBD_DEBUG_MEMUSAGE (1)
585
586 #if OBD_DEBUG_MEMUSAGE
587 #define OBD_ALLOC_POST(ptr, size, name)                                 \
588                 obd_memory_add(size);                                   \
589                 CDEBUG(D_MALLOC, name " '" #ptr "': %d at %p.\n",       \
590                        (int)(size), ptr)
591
592 #define OBD_FREE_PRE(ptr, size, name)                                   \
593         LASSERT(ptr);                                                   \
594         obd_memory_sub(size);                                           \
595         CDEBUG(D_MALLOC, name " '" #ptr "': %d at %p.\n",               \
596                (int)(size), ptr);                                       \
597         POISON(ptr, 0x5a, size)
598
599 #else /* !OBD_DEBUG_MEMUSAGE */
600
601 #define OBD_ALLOC_POST(ptr, size, name) ((void)0)
602 #define OBD_FREE_PRE(ptr, size, name)   ((void)0)
603
604 #endif /* !OBD_DEBUG_MEMUSAGE */
605
606 #ifdef RANDOM_FAIL_ALLOC
607 #define HAS_FAIL_ALLOC_FLAG OBD_FAIL_CHECK(OBD_FAIL_GENERAL_ALLOC)
608 #else
609 #define HAS_FAIL_ALLOC_FLAG 0
610 #endif
611
612 #define OBD_ALLOC_FAIL_BITS 24
613 #define OBD_ALLOC_FAIL_MASK ((1 << OBD_ALLOC_FAIL_BITS) - 1)
614 #define OBD_ALLOC_FAIL_MULT (OBD_ALLOC_FAIL_MASK / 100)
615
616 #if defined(LUSTRE_UTILS) /* this version is for utils only */
617 #define __OBD_MALLOC_VERBOSE(ptr, cptab, cpt, size, flags)                    \
618 do {                                                                          \
619         (ptr) = (cptab) == NULL ?                                             \
620                 kmalloc(size, flags | __GFP_ZERO) :                           \
621                 cfs_cpt_malloc(cptab, cpt, size, flags | __GFP_ZERO);         \
622         if (unlikely((ptr) == NULL)) {                                        \
623                 CERROR("kmalloc of '" #ptr "' (%d bytes) failed at %s:%d\n",  \
624                        (int)(size), __FILE__, __LINE__);                      \
625         } else {                                                              \
626                 CDEBUG(D_MALLOC, "kmalloced '" #ptr "': %d at %p\n",          \
627                        (int)(size), ptr);                                     \
628         }                                                                     \
629 } while (0)
630
631 #else /* this version is for the kernel and liblustre */
632 #define OBD_FREE_RTN0(ptr)                                                    \
633 ({                                                                            \
634         kfree(ptr);                                                        \
635         (ptr) = NULL;                                                         \
636         0;                                                                    \
637 })
638
639 #define __OBD_MALLOC_VERBOSE(ptr, cptab, cpt, size, flags)                    \
640 do {                                                                          \
641         (ptr) = (cptab) == NULL ?                                             \
642                 kmalloc(size, flags | __GFP_ZERO) :                           \
643                 cfs_cpt_malloc(cptab, cpt, size, flags | __GFP_ZERO);         \
644         if (likely((ptr) != NULL &&                                           \
645                    (!HAS_FAIL_ALLOC_FLAG || obd_alloc_fail_rate == 0 ||       \
646                     !obd_alloc_fail(ptr, #ptr, "km", size,                    \
647                                     __FILE__, __LINE__) ||                    \
648                     OBD_FREE_RTN0(ptr)))){                                    \
649                 OBD_ALLOC_POST(ptr, size, "kmalloced");                       \
650         }                                                                     \
651 } while (0)
652 #endif
653
654 #define OBD_ALLOC_GFP(ptr, size, gfp_mask)                                    \
655         __OBD_MALLOC_VERBOSE(ptr, NULL, 0, size, gfp_mask)
656
657 #define OBD_ALLOC(ptr, size) OBD_ALLOC_GFP(ptr, size, __GFP_IO)
658 #define OBD_ALLOC_WAIT(ptr, size) OBD_ALLOC_GFP(ptr, size, GFP_IOFS)
659 #define OBD_ALLOC_PTR(ptr) OBD_ALLOC(ptr, sizeof *(ptr))
660 #define OBD_ALLOC_PTR_WAIT(ptr) OBD_ALLOC_WAIT(ptr, sizeof *(ptr))
661
662 #define OBD_CPT_ALLOC_GFP(ptr, cptab, cpt, size, gfp_mask)                    \
663         __OBD_MALLOC_VERBOSE(ptr, cptab, cpt, size, gfp_mask)
664
665 #define OBD_CPT_ALLOC(ptr, cptab, cpt, size)                                  \
666         OBD_CPT_ALLOC_GFP(ptr, cptab, cpt, size, __GFP_IO)
667
668 #define OBD_CPT_ALLOC_PTR(ptr, cptab, cpt)                                    \
669         OBD_CPT_ALLOC(ptr, cptab, cpt, sizeof *(ptr))
670
671 # define __OBD_VMALLOC_VEROBSE(ptr, cptab, cpt, size)                         \
672 do {                                                                          \
673         (ptr) = cptab == NULL ?                                               \
674                 vmalloc(size) :                                       \
675                 cfs_cpt_vmalloc(cptab, cpt, size);                            \
676         if (unlikely((ptr) == NULL)) {                                        \
677                 CERROR("vmalloc of '" #ptr "' (%d bytes) failed\n",           \
678                        (int)(size));                                          \
679                 CERROR(LPU64" total bytes allocated by Lustre, %d by LNET\n", \
680                        obd_memory_sum(), cfs_atomic_read(&libcfs_kmemory));   \
681         } else {                                                              \
682                 memset(ptr, 0, size);                                         \
683                 OBD_ALLOC_POST(ptr, size, "vmalloced");                       \
684         }                                                                     \
685 } while(0)
686
687 # define OBD_VMALLOC(ptr, size)                                               \
688          __OBD_VMALLOC_VEROBSE(ptr, NULL, 0, size)
689 # define OBD_CPT_VMALLOC(ptr, cptab, cpt, size)                               \
690          __OBD_VMALLOC_VEROBSE(ptr, cptab, cpt, size)
691
692 #ifdef __KERNEL__
693
694 /* Allocations above this size are considered too big and could not be done
695  * atomically.
696  *
697  * Be very careful when changing this value, especially when decreasing it,
698  * since vmalloc in Linux doesn't perform well on multi-cores system, calling
699  * vmalloc in critical path would hurt peformance badly. See LU-66.
700  */
701 #define OBD_ALLOC_BIG (4 * PAGE_CACHE_SIZE)
702
703 #define OBD_ALLOC_LARGE(ptr, size)                                            \
704 do {                                                                          \
705         if (size > OBD_ALLOC_BIG)                                             \
706                 OBD_VMALLOC(ptr, size);                                       \
707         else                                                                  \
708                 OBD_ALLOC(ptr, size);                                         \
709 } while (0)
710
711 #define OBD_CPT_ALLOC_LARGE(ptr, cptab, cpt, size)                            \
712 do {                                                                          \
713         if (size > OBD_ALLOC_BIG)                                             \
714                 OBD_CPT_VMALLOC(ptr, cptab, cpt, size);                       \
715         else                                                                  \
716                 OBD_CPT_ALLOC(ptr, cptab, cpt, size);                         \
717 } while (0)
718
719 #define OBD_FREE_LARGE(ptr, size)                                             \
720 do {                                                                          \
721         if (size > OBD_ALLOC_BIG)                                             \
722                 OBD_VFREE(ptr, size);                                         \
723         else                                                                  \
724                 OBD_FREE(ptr, size);                                          \
725 } while (0)
726
727 #else /* !__KERNEL__ */
728
729 #define OBD_ALLOC_LARGE(ptr, size)                                            \
730         OBD_ALLOC(ptr, size)
731 #define OBD_CPT_ALLOC_LARGE(ptr, cptab, cpt, size)                            \
732         OBD_ALLOC(ptr, size)
733 #define OBD_FREE_LARGE(ptr, size)                                             \
734         OBD_FREE(ptr, size)
735
736 #endif /* __KERNEL__ */
737
738 #ifdef CONFIG_DEBUG_SLAB
739 #define POISON(ptr, c, s) do {} while (0)
740 #define POISON_PTR(ptr)  ((void)0)
741 #else
742 #define POISON(ptr, c, s) memset(ptr, c, s)
743 #define POISON_PTR(ptr)  (ptr) = (void *)0xdeadbeef
744 #endif
745
746 #ifdef POISON_BULK
747 #define POISON_PAGE(page, val) do { memset(kmap(page), val, PAGE_CACHE_SIZE);   \
748                                     kunmap(page); } while (0)
749 #else
750 #define POISON_PAGE(page, val) do { } while (0)
751 #endif
752
753 #ifdef __KERNEL__
754 #define OBD_FREE(ptr, size)                                                   \
755 do {                                                                          \
756         OBD_FREE_PRE(ptr, size, "kfreed");                                    \
757         kfree(ptr);                                                        \
758         POISON_PTR(ptr);                                                      \
759 } while(0)
760
761
762 #define OBD_FREE_RCU(ptr, size, handle)                                       \
763 do {                                                                          \
764         struct portals_handle *__h = (handle);                                \
765                                                                               \
766         LASSERT(handle != NULL);                                              \
767         __h->h_cookie = (unsigned long)(ptr);                                 \
768         __h->h_size = (size);                                                 \
769         call_rcu(&__h->h_rcu, class_handle_free_cb);                          \
770         POISON_PTR(ptr);                                                      \
771 } while(0)
772
773 #else
774 #define OBD_FREE(ptr, size) ((void)(size), free((ptr)))
775 #define OBD_FREE_RCU(ptr, size, handle) (OBD_FREE(ptr, size))
776 #endif /* ifdef __KERNEL__ */
777
778 #define OBD_VFREE(ptr, size)                            \
779         do {                                            \
780                 OBD_FREE_PRE(ptr, size, "vfreed");      \
781                 vfree(ptr);                     \
782                 POISON_PTR(ptr);                        \
783         } while (0)
784
785 /* we memset() the slab object to 0 when allocation succeeds, so DO NOT
786  * HAVE A CTOR THAT DOES ANYTHING.  its work will be cleared here.  we'd
787  * love to assert on that, but slab.c keeps kmem_cache_s all to itself. */
788 #define OBD_SLAB_FREE_RTN0(ptr, slab)                                         \
789 ({                                                                            \
790         kmem_cache_free((slab), (ptr));                                    \
791         (ptr) = NULL;                                                         \
792         0;                                                                    \
793 })
794
795 #define __OBD_SLAB_ALLOC_VERBOSE(ptr, slab, cptab, cpt, size, type)           \
796 do {                                                                          \
797         LASSERT(ergo((type) != GFP_ATOMIC, !in_interrupt()));         \
798         (ptr) = (cptab) == NULL ?                                             \
799                 kmem_cache_alloc(slab, type | __GFP_ZERO) :                   \
800                 cfs_mem_cache_cpt_alloc(slab, cptab, cpt, type | __GFP_ZERO); \
801         if (likely((ptr) != NULL &&                                           \
802                    (!HAS_FAIL_ALLOC_FLAG || obd_alloc_fail_rate == 0 ||       \
803                     !obd_alloc_fail(ptr, #ptr, "slab-", size,                 \
804                                     __FILE__, __LINE__) ||                    \
805                     OBD_SLAB_FREE_RTN0(ptr, slab)))) {                        \
806                 OBD_ALLOC_POST(ptr, size, "slab-alloced");                    \
807         }                                                                     \
808 } while(0)
809
810 #define OBD_SLAB_ALLOC_GFP(ptr, slab, size, flags)                            \
811         __OBD_SLAB_ALLOC_VERBOSE(ptr, slab, NULL, 0, size, flags)
812 #define OBD_SLAB_CPT_ALLOC_GFP(ptr, slab, cptab, cpt, size, flags)            \
813         __OBD_SLAB_ALLOC_VERBOSE(ptr, slab, cptab, cpt, size, flags)
814
815 #define OBD_FREE_PTR(ptr) OBD_FREE(ptr, sizeof *(ptr))
816
817 #define OBD_SLAB_FREE(ptr, slab, size)                                        \
818 do {                                                                          \
819         OBD_FREE_PRE(ptr, size, "slab-freed");                                \
820         kmem_cache_free(slab, ptr);                                        \
821         POISON_PTR(ptr);                                                      \
822 } while(0)
823
824 #define OBD_SLAB_ALLOC(ptr, slab, size)                                       \
825         OBD_SLAB_ALLOC_GFP(ptr, slab, size, __GFP_IO)
826
827 #define OBD_SLAB_CPT_ALLOC(ptr, slab, cptab, cpt, size)                       \
828         OBD_SLAB_CPT_ALLOC_GFP(ptr, slab, cptab, cpt, size, __GFP_IO)
829
830 #define OBD_SLAB_ALLOC_PTR(ptr, slab)                                         \
831         OBD_SLAB_ALLOC(ptr, slab, sizeof *(ptr))
832
833 #define OBD_SLAB_CPT_ALLOC_PTR(ptr, slab, cptab, cpt)                         \
834         OBD_SLAB_CPT_ALLOC(ptr, slab, cptab, cpt, sizeof *(ptr))
835
836 #define OBD_SLAB_ALLOC_PTR_GFP(ptr, slab, flags)                              \
837         OBD_SLAB_ALLOC_GFP(ptr, slab, sizeof *(ptr), flags)
838
839 #define OBD_SLAB_CPT_ALLOC_PTR_GFP(ptr, slab, cptab, cpt, flags)                      \
840         OBD_SLAB_CPT_ALLOC_GFP(ptr, slab, cptab, cpt, sizeof *(ptr), flags)
841
842 #define OBD_SLAB_FREE_PTR(ptr, slab)                                          \
843         OBD_SLAB_FREE((ptr), (slab), sizeof *(ptr))
844
845 #define KEY_IS(str) \
846         (keylen >= (sizeof(str)-1) && memcmp(key, str, (sizeof(str)-1)) == 0)
847
848 /* Wrapper for contiguous page frame allocation */
849 #define __OBD_PAGE_ALLOC_VERBOSE(ptr, cptab, cpt, gfp_mask)                   \
850 do {                                                                          \
851         (ptr) = (cptab) == NULL ?                                             \
852                 alloc_page(gfp_mask) :                                \
853                 cfs_page_cpt_alloc(cptab, cpt, gfp_mask);                     \
854         if (unlikely((ptr) == NULL)) {                                        \
855                 CERROR("alloc_pages of '" #ptr "' %d page(s) / "LPU64" bytes "\
856                        "failed\n", (int)1,                                    \
857                        (__u64)(1 << PAGE_CACHE_SHIFT));                         \
858                 CERROR(LPU64" total bytes and "LPU64" total pages "           \
859                        "("LPU64" bytes) allocated by Lustre, "                \
860                        "%d total bytes by LNET\n",                            \
861                        obd_memory_sum(),                                      \
862                        obd_pages_sum() << PAGE_CACHE_SHIFT,                     \
863                        obd_pages_sum(),                                       \
864                        cfs_atomic_read(&libcfs_kmemory));                     \
865         } else {                                                              \
866                 obd_pages_add(0);                                             \
867                 CDEBUG(D_MALLOC, "alloc_pages '" #ptr "': %d page(s) / "      \
868                        LPU64" bytes at %p.\n",                                \
869                        (int)1,                                                \
870                        (__u64)(1 << PAGE_CACHE_SHIFT), ptr);                    \
871         }                                                                     \
872 } while (0)
873
874 #define OBD_PAGE_ALLOC(ptr, gfp_mask)                                         \
875         __OBD_PAGE_ALLOC_VERBOSE(ptr, NULL, 0, gfp_mask)
876 #define OBD_PAGE_CPT_ALLOC(ptr, cptab, cpt, gfp_mask)                         \
877         __OBD_PAGE_ALLOC_VERBOSE(ptr, cptab, cpt, gfp_mask)
878
879 #define OBD_PAGE_FREE(ptr)                                                    \
880 do {                                                                          \
881         LASSERT(ptr);                                                         \
882         obd_pages_sub(0);                                                     \
883         CDEBUG(D_MALLOC, "free_pages '" #ptr "': %d page(s) / "LPU64" bytes " \
884                "at %p.\n",                                                    \
885                (int)1, (__u64)(1 << PAGE_CACHE_SHIFT),                          \
886                ptr);                                                          \
887         __free_page(ptr);                                                   \
888         (ptr) = (void *)0xdeadbeef;                                           \
889 } while (0)
890
891 #endif