4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 only,
8 * as published by the Free Software Foundation.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License version 2 for more details (a copy is included
14 * in the LICENSE file that accompanied this code).
16 * You should have received a copy of the GNU General Public License
17 * version 2 along with this program; If not, see
18 * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
20 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
21 * CA 95054 USA or visit www.sun.com if you need additional information or
27 * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
28 * Use is subject to license terms.
30 * Copyright (c) 2011, 2013, Intel Corporation.
33 * This file is part of Lustre, http://www.lustre.org/
34 * Lustre is a trademark of Sun Microsystems, Inc.
40 #include <libcfs/libcfs.h>
41 #include <lprocfs_status.h>
43 #if defined(__linux__)
44 #include <linux/obd_support.h>
46 #error Unsupported operating system.
49 /* global variables */
50 extern struct lprocfs_stats *obd_memory;
53 OBD_MEMORY_PAGES_STAT = 1,
57 extern unsigned int obd_debug_peer_on_timeout;
58 extern unsigned int obd_dump_on_timeout;
59 extern unsigned int obd_dump_on_eviction;
60 /* obd_timeout should only be used for recovery, not for
61 networking / disk / timings affected by load (use Adaptive Timeouts) */
62 extern unsigned int obd_timeout; /* seconds */
63 extern unsigned int ldlm_timeout; /* seconds */
64 extern unsigned int obd_timeout_set;
65 extern unsigned int ldlm_timeout_set;
66 extern unsigned int at_min;
67 extern unsigned int at_max;
68 extern unsigned int at_history;
69 extern int at_early_margin;
71 extern unsigned int obd_max_dirty_pages;
72 extern atomic_t obd_dirty_pages;
73 extern atomic_t obd_dirty_transit_pages;
74 extern unsigned int obd_alloc_fail_rate;
75 extern char obd_jobid_var[];
78 int obd_alloc_fail(const void *ptr, const char *name, const char *type,
79 size_t size, const char *file, int line);
81 /* Some hash init argument constants */
82 #define HASH_POOLS_BKT_BITS 3
83 #define HASH_POOLS_CUR_BITS 3
84 #define HASH_POOLS_MAX_BITS 7
85 #define HASH_UUID_BKT_BITS 5
86 #define HASH_UUID_CUR_BITS 7
87 #define HASH_UUID_MAX_BITS 12
88 #define HASH_NID_BKT_BITS 5
89 #define HASH_NID_CUR_BITS 7
90 #define HASH_NID_MAX_BITS 12
91 #define HASH_NID_STATS_BKT_BITS 5
92 #define HASH_NID_STATS_CUR_BITS 7
93 #define HASH_NID_STATS_MAX_BITS 12
94 #define HASH_LQE_BKT_BITS 5
95 #define HASH_LQE_CUR_BITS 7
96 #define HASH_LQE_MAX_BITS 12
97 #define HASH_CONN_BKT_BITS 5
98 #define HASH_CONN_CUR_BITS 5
99 #define HASH_CONN_MAX_BITS 15
100 #define HASH_EXP_LOCK_BKT_BITS 5
101 #define HASH_EXP_LOCK_CUR_BITS 7
102 #define HASH_EXP_LOCK_MAX_BITS 16
103 #define HASH_CL_ENV_BKT_BITS 5
104 #define HASH_CL_ENV_BITS 10
105 #define HASH_JOB_STATS_BKT_BITS 5
106 #define HASH_JOB_STATS_CUR_BITS 7
107 #define HASH_JOB_STATS_MAX_BITS 12
109 /* Timeout definitions */
110 #define OBD_TIMEOUT_DEFAULT 100
111 #define LDLM_TIMEOUT_DEFAULT 20
112 #define MDS_LDLM_TIMEOUT_DEFAULT 6
113 /* Time to wait for all clients to reconnect during recovery (hard limit) */
114 #define OBD_RECOVERY_TIME_HARD (obd_timeout * 9)
115 /* Time to wait for all clients to reconnect during recovery (soft limit) */
116 /* Should be very conservative; must catch the first reconnect after reboot */
117 #define OBD_RECOVERY_TIME_SOFT (obd_timeout * 3)
118 /* Change recovery-small 26b time if you change this */
119 #define PING_INTERVAL max(obd_timeout / 4, 1U)
120 /* a bit more than maximal journal commit time in seconds */
121 #define PING_INTERVAL_SHORT min(PING_INTERVAL, 7U)
122 /* Client may skip 1 ping; we must wait at least 2.5. But for multiple
123 * failover targets the client only pings one server at a time, and pings
124 * can be lost on a loaded network. Since eviction has serious consequences,
125 * and there's no urgent need to evict a client just because it's idle, we
126 * should be very conservative here. */
127 #define PING_EVICT_TIMEOUT (PING_INTERVAL * 6)
128 #define DISK_TIMEOUT 50 /* Beyond this we warn about disk speed */
129 #define CONNECTION_SWITCH_MIN 5U /* Connection switching rate limiter */
130 /* Max connect interval for nonresponsive servers; ~50s to avoid building up
131 connect requests in the LND queues, but within obd_timeout so we don't
132 miss the recovery window */
133 #define CONNECTION_SWITCH_MAX min(50U, max(CONNECTION_SWITCH_MIN,obd_timeout))
134 #define CONNECTION_SWITCH_INC 5 /* Connection timeout backoff */
135 /* In general this should be low to have quick detection of a system
136 running on a backup server. (If it's too low, import_select_connection
137 will increase the timeout anyhow.) */
138 #define INITIAL_CONNECT_TIMEOUT max(CONNECTION_SWITCH_MIN,obd_timeout/20)
139 /* The max delay between connects is SWITCH_MAX + SWITCH_INC + INITIAL */
140 #define RECONNECT_DELAY_MAX (CONNECTION_SWITCH_MAX + CONNECTION_SWITCH_INC + \
141 INITIAL_CONNECT_TIMEOUT)
142 /* The min time a target should wait for clients to reconnect in recovery */
143 #define OBD_RECOVERY_TIME_MIN (2*RECONNECT_DELAY_MAX)
144 #define OBD_IR_FACTOR_MIN 1
145 #define OBD_IR_FACTOR_MAX 10
146 #define OBD_IR_FACTOR_DEFAULT (OBD_IR_FACTOR_MAX/2)
147 /* default timeout for the MGS to become IR_FULL */
148 #define OBD_IR_MGS_TIMEOUT (4*obd_timeout)
149 #define LONG_UNLINK 300 /* Unlink should happen before now */
152 * Time interval of shrink, if the client is "idle" more than this interval,
153 * then the ll_grant thread will return the requested grant space to filter
155 #define GRANT_SHRINK_INTERVAL 1200/*20 minutes*/
157 #define OBD_FAIL_MDS 0x100
158 #define OBD_FAIL_MDS_HANDLE_UNPACK 0x101
159 #define OBD_FAIL_MDS_GETATTR_NET 0x102
160 #define OBD_FAIL_MDS_GETATTR_PACK 0x103
161 #define OBD_FAIL_MDS_READPAGE_NET 0x104
162 #define OBD_FAIL_MDS_READPAGE_PACK 0x105
163 #define OBD_FAIL_MDS_SENDPAGE 0x106
164 #define OBD_FAIL_MDS_REINT_NET 0x107
165 #define OBD_FAIL_MDS_REINT_UNPACK 0x108
166 #define OBD_FAIL_MDS_REINT_SETATTR 0x109
167 #define OBD_FAIL_MDS_REINT_SETATTR_WRITE 0x10a
168 #define OBD_FAIL_MDS_REINT_CREATE 0x10b
169 #define OBD_FAIL_MDS_REINT_CREATE_WRITE 0x10c
170 #define OBD_FAIL_MDS_REINT_UNLINK 0x10d
171 #define OBD_FAIL_MDS_REINT_UNLINK_WRITE 0x10e
172 #define OBD_FAIL_MDS_REINT_LINK 0x10f
173 #define OBD_FAIL_MDS_REINT_LINK_WRITE 0x110
174 #define OBD_FAIL_MDS_REINT_RENAME 0x111
175 #define OBD_FAIL_MDS_REINT_RENAME_WRITE 0x112
176 #define OBD_FAIL_MDS_OPEN_NET 0x113
177 #define OBD_FAIL_MDS_OPEN_PACK 0x114
178 #define OBD_FAIL_MDS_CLOSE_NET 0x115
179 #define OBD_FAIL_MDS_CLOSE_PACK 0x116
180 #define OBD_FAIL_MDS_CONNECT_NET 0x117
181 #define OBD_FAIL_MDS_CONNECT_PACK 0x118
182 #define OBD_FAIL_MDS_REINT_NET_REP 0x119
183 #define OBD_FAIL_MDS_DISCONNECT_NET 0x11a
184 #define OBD_FAIL_MDS_GETSTATUS_NET 0x11b
185 #define OBD_FAIL_MDS_GETSTATUS_PACK 0x11c
186 #define OBD_FAIL_MDS_STATFS_PACK 0x11d
187 #define OBD_FAIL_MDS_STATFS_NET 0x11e
188 #define OBD_FAIL_MDS_GETATTR_NAME_NET 0x11f
189 #define OBD_FAIL_MDS_PIN_NET 0x120
190 #define OBD_FAIL_MDS_UNPIN_NET 0x121
191 #define OBD_FAIL_MDS_ALL_REPLY_NET 0x122
192 #define OBD_FAIL_MDS_ALL_REQUEST_NET 0x123
193 #define OBD_FAIL_MDS_SYNC_NET 0x124
194 #define OBD_FAIL_MDS_SYNC_PACK 0x125
195 #define OBD_FAIL_MDS_DONE_WRITING_NET 0x126
196 #define OBD_FAIL_MDS_DONE_WRITING_PACK 0x127
197 #define OBD_FAIL_MDS_ALLOC_OBDO 0x128
198 #define OBD_FAIL_MDS_PAUSE_OPEN 0x129
199 #define OBD_FAIL_MDS_STATFS_LCW_SLEEP 0x12a
200 #define OBD_FAIL_MDS_OPEN_CREATE 0x12b
201 #define OBD_FAIL_MDS_OST_SETATTR 0x12c
202 #define OBD_FAIL_MDS_QUOTACHECK_NET 0x12d
203 #define OBD_FAIL_MDS_QUOTACTL_NET 0x12e
204 #define OBD_FAIL_MDS_CLIENT_ADD 0x12f
205 #define OBD_FAIL_MDS_GETXATTR_NET 0x130
206 #define OBD_FAIL_MDS_GETXATTR_PACK 0x131
207 #define OBD_FAIL_MDS_SETXATTR_NET 0x132
208 #define OBD_FAIL_MDS_SETXATTR 0x133
209 #define OBD_FAIL_MDS_SETXATTR_WRITE 0x134
210 #define OBD_FAIL_MDS_FS_SETUP 0x135
211 #define OBD_FAIL_MDS_RESEND 0x136
212 #define OBD_FAIL_MDS_LLOG_CREATE_FAILED 0x137
213 #define OBD_FAIL_MDS_LOV_SYNC_RACE 0x138
214 #define OBD_FAIL_MDS_OSC_PRECREATE 0x139
215 #define OBD_FAIL_MDS_LLOG_SYNC_TIMEOUT 0x13a
216 #define OBD_FAIL_MDS_CLOSE_NET_REP 0x13b
217 #define OBD_FAIL_MDS_BLOCK_QUOTA_REQ 0x13c
218 #define OBD_FAIL_MDS_DROP_QUOTA_REQ 0x13d
219 #define OBD_FAIL_MDS_REMOVE_COMMON_EA 0x13e
220 #define OBD_FAIL_MDS_ALLOW_COMMON_EA_SETTING 0x13f
221 #define OBD_FAIL_MDS_FAIL_LOV_LOG_ADD 0x140
222 #define OBD_FAIL_MDS_LOV_PREP_CREATE 0x141
223 #define OBD_FAIL_MDS_REINT_DELAY 0x142
224 #define OBD_FAIL_MDS_READLINK_EPROTO 0x143
225 #define OBD_FAIL_MDS_OPEN_WAIT_CREATE 0x144
226 #define OBD_FAIL_MDS_PDO_LOCK 0x145
227 #define OBD_FAIL_MDS_PDO_LOCK2 0x146
228 #define OBD_FAIL_MDS_OSC_CREATE_FAIL 0x147
229 #define OBD_FAIL_MDS_NEGATIVE_POSITIVE 0x148
230 #define OBD_FAIL_MDS_HSM_STATE_GET_NET 0x149
231 #define OBD_FAIL_MDS_HSM_STATE_SET_NET 0x14a
232 #define OBD_FAIL_MDS_HSM_PROGRESS_NET 0x14b
233 #define OBD_FAIL_MDS_HSM_REQUEST_NET 0x14c
234 #define OBD_FAIL_MDS_HSM_CT_REGISTER_NET 0x14d
235 #define OBD_FAIL_MDS_HSM_CT_UNREGISTER_NET 0x14e
236 #define OBD_FAIL_MDS_SWAP_LAYOUTS_NET 0x14f
237 #define OBD_FAIL_MDS_HSM_ACTION_NET 0x150
238 #define OBD_FAIL_MDS_CHANGELOG_INIT 0x151
239 #define OBD_FAIL_MDS_HSM_SWAP_LAYOUTS 0x152
240 #define OBD_FAIL_MDS_RENAME 0x153
241 #define OBD_FAIL_MDS_RENAME2 0x154
242 #define OBD_FAIL_MDS_RENAME3 0x155
243 #define OBD_FAIL_MDS_RENAME4 0x156
246 #define OBD_FAIL_MDS_NO_LL_GETATTR 0x170
247 #define OBD_FAIL_MDS_NO_LL_OPEN 0x171
248 #define OBD_FAIL_MDS_LL_BLOCK 0x172
251 #define OBD_FAIL_MDS_IS_SUBDIR_NET 0x180
252 #define OBD_FAIL_MDS_IS_SUBDIR_PACK 0x181
253 #define OBD_FAIL_MDS_SET_INFO_NET 0x182
254 #define OBD_FAIL_MDS_WRITEPAGE_NET 0x183
255 #define OBD_FAIL_MDS_WRITEPAGE_PACK 0x184
256 #define OBD_FAIL_MDS_RECOVERY_ACCEPTS_GAPS 0x185
257 #define OBD_FAIL_MDS_GET_INFO_NET 0x186
258 #define OBD_FAIL_MDS_DQACQ_NET 0x187
261 #define OBD_FAIL_OSD_SCRUB_DELAY 0x190
262 #define OBD_FAIL_OSD_SCRUB_CRASH 0x191
263 #define OBD_FAIL_OSD_SCRUB_FATAL 0x192
264 #define OBD_FAIL_OSD_FID_MAPPING 0x193
265 #define OBD_FAIL_OSD_LMA_INCOMPAT 0x194
266 #define OBD_FAIL_OSD_COMPAT_INVALID_ENTRY 0x195
267 #define OBD_FAIL_OSD_COMPAT_NO_ENTRY 0x196
269 #define OBD_FAIL_OST 0x200
270 #define OBD_FAIL_OST_CONNECT_NET 0x201
271 #define OBD_FAIL_OST_DISCONNECT_NET 0x202
272 #define OBD_FAIL_OST_GET_INFO_NET 0x203
273 #define OBD_FAIL_OST_CREATE_NET 0x204
274 #define OBD_FAIL_OST_DESTROY_NET 0x205
275 #define OBD_FAIL_OST_GETATTR_NET 0x206
276 #define OBD_FAIL_OST_SETATTR_NET 0x207
277 #define OBD_FAIL_OST_OPEN_NET 0x208
278 #define OBD_FAIL_OST_CLOSE_NET 0x209
279 #define OBD_FAIL_OST_BRW_NET 0x20a
280 #define OBD_FAIL_OST_PUNCH_NET 0x20b
281 #define OBD_FAIL_OST_STATFS_NET 0x20c
282 #define OBD_FAIL_OST_HANDLE_UNPACK 0x20d
283 #define OBD_FAIL_OST_BRW_WRITE_BULK 0x20e
284 #define OBD_FAIL_OST_BRW_READ_BULK 0x20f
285 #define OBD_FAIL_OST_SYNC_NET 0x210
286 #define OBD_FAIL_OST_ALL_REPLY_NET 0x211
287 #define OBD_FAIL_OST_ALL_REQUEST_NET 0x212
288 #define OBD_FAIL_OST_LDLM_REPLY_NET 0x213
289 #define OBD_FAIL_OST_BRW_PAUSE_BULK 0x214
290 #define OBD_FAIL_OST_ENOSPC 0x215
291 #define OBD_FAIL_OST_EROFS 0x216
292 #define OBD_FAIL_OST_ENOENT 0x217
293 #define OBD_FAIL_OST_QUOTACHECK_NET 0x218
294 #define OBD_FAIL_OST_QUOTACTL_NET 0x219
295 #define OBD_FAIL_OST_CHECKSUM_RECEIVE 0x21a
296 #define OBD_FAIL_OST_CHECKSUM_SEND 0x21b
297 #define OBD_FAIL_OST_BRW_SIZE 0x21c
298 #define OBD_FAIL_OST_DROP_REQ 0x21d
299 #define OBD_FAIL_OST_SETATTR_CREDITS 0x21e
300 #define OBD_FAIL_OST_HOLD_WRITE_RPC 0x21f
301 #define OBD_FAIL_OST_BRW_WRITE_BULK2 0x220
302 #define OBD_FAIL_OST_LLOG_RECOVERY_TIMEOUT 0x221
303 #define OBD_FAIL_OST_CANCEL_COOKIE_TIMEOUT 0x222
304 #define OBD_FAIL_OST_PAUSE_CREATE 0x223
305 #define OBD_FAIL_OST_BRW_PAUSE_PACK 0x224
306 #define OBD_FAIL_OST_CONNECT_NET2 0x225
307 #define OBD_FAIL_OST_NOMEM 0x226
308 #define OBD_FAIL_OST_BRW_PAUSE_BULK2 0x227
309 #define OBD_FAIL_OST_MAPBLK_ENOSPC 0x228
310 #define OBD_FAIL_OST_ENOINO 0x229
311 #define OBD_FAIL_OST_DQACQ_NET 0x230
312 #define OBD_FAIL_OST_STATFS_EINPROGRESS 0x231
313 #define OBD_FAIL_OST_SET_INFO_NET 0x232
314 #define OBD_FAIL_OST_NODESTROY 0x233
316 #define OBD_FAIL_LDLM 0x300
317 #define OBD_FAIL_LDLM_NAMESPACE_NEW 0x301
318 #define OBD_FAIL_LDLM_ENQUEUE_NET 0x302
319 #define OBD_FAIL_LDLM_CONVERT_NET 0x303
320 #define OBD_FAIL_LDLM_CANCEL_NET 0x304
321 #define OBD_FAIL_LDLM_BL_CALLBACK_NET 0x305
322 #define OBD_FAIL_LDLM_CP_CALLBACK_NET 0x306
323 #define OBD_FAIL_LDLM_GL_CALLBACK_NET 0x307
324 #define OBD_FAIL_LDLM_ENQUEUE_EXTENT_ERR 0x308
325 #define OBD_FAIL_LDLM_ENQUEUE_INTENT_ERR 0x309
326 #define OBD_FAIL_LDLM_CREATE_RESOURCE 0x30a
327 #define OBD_FAIL_LDLM_ENQUEUE_BLOCKED 0x30b
328 #define OBD_FAIL_LDLM_REPLY 0x30c
329 #define OBD_FAIL_LDLM_RECOV_CLIENTS 0x30d
330 #define OBD_FAIL_LDLM_ENQUEUE_OLD_EXPORT 0x30e
331 #define OBD_FAIL_LDLM_GLIMPSE 0x30f
332 #define OBD_FAIL_LDLM_CANCEL_RACE 0x310
333 #define OBD_FAIL_LDLM_CANCEL_EVICT_RACE 0x311
334 #define OBD_FAIL_LDLM_PAUSE_CANCEL 0x312
335 #define OBD_FAIL_LDLM_CLOSE_THREAD 0x313
336 #define OBD_FAIL_LDLM_CANCEL_BL_CB_RACE 0x314
337 #define OBD_FAIL_LDLM_CP_CB_WAIT 0x315
338 #define OBD_FAIL_LDLM_OST_FAIL_RACE 0x316
339 #define OBD_FAIL_LDLM_INTR_CP_AST 0x317
340 #define OBD_FAIL_LDLM_CP_BL_RACE 0x318
341 #define OBD_FAIL_LDLM_NEW_LOCK 0x319
342 #define OBD_FAIL_LDLM_AGL_DELAY 0x31a
343 #define OBD_FAIL_LDLM_AGL_NOLOCK 0x31b
344 #define OBD_FAIL_LDLM_OST_LVB 0x31c
345 #define OBD_FAIL_LDLM_ENQUEUE_HANG 0x31d
346 #define OBD_FAIL_LDLM_PAUSE_CANCEL2 0x31f
347 #define OBD_FAIL_LDLM_CP_CB_WAIT2 0x320
348 #define OBD_FAIL_LDLM_CP_CB_WAIT3 0x321
349 #define OBD_FAIL_LDLM_CP_CB_WAIT4 0x322
350 #define OBD_FAIL_LDLM_CP_CB_WAIT5 0x323
353 #define OBD_FAIL_LDLM_SET_CONTENTION 0x385
355 #define OBD_FAIL_OSC 0x400
356 #define OBD_FAIL_OSC_BRW_READ_BULK 0x401
357 #define OBD_FAIL_OSC_BRW_WRITE_BULK 0x402
358 #define OBD_FAIL_OSC_LOCK_BL_AST 0x403
359 #define OBD_FAIL_OSC_LOCK_CP_AST 0x404
360 #define OBD_FAIL_OSC_MATCH 0x405
361 #define OBD_FAIL_OSC_BRW_PREP_REQ 0x406
362 #define OBD_FAIL_OSC_SHUTDOWN 0x407
363 #define OBD_FAIL_OSC_CHECKSUM_RECEIVE 0x408
364 #define OBD_FAIL_OSC_CHECKSUM_SEND 0x409
365 #define OBD_FAIL_OSC_BRW_PREP_REQ2 0x40a
366 #define OBD_FAIL_OSC_CONNECT_CKSUM 0x40b
367 #define OBD_FAIL_OSC_CKSUM_ADLER_ONLY 0x40c
368 #define OBD_FAIL_OSC_DIO_PAUSE 0x40d
369 #define OBD_FAIL_OSC_OBJECT_CONTENTION 0x40e
370 #define OBD_FAIL_OSC_CP_CANCEL_RACE 0x40f
371 #define OBD_FAIL_OSC_CP_ENQ_RACE 0x410
372 #define OBD_FAIL_OSC_NO_GRANT 0x411
373 #define OBD_FAIL_OSC_DELAY_SETTIME 0x412
375 #define OBD_FAIL_PTLRPC 0x500
376 #define OBD_FAIL_PTLRPC_ACK 0x501
377 #define OBD_FAIL_PTLRPC_RQBD 0x502
378 #define OBD_FAIL_PTLRPC_BULK_GET_NET 0x503
379 #define OBD_FAIL_PTLRPC_BULK_PUT_NET 0x504
380 #define OBD_FAIL_PTLRPC_DROP_RPC 0x505
381 #define OBD_FAIL_PTLRPC_DELAY_SEND 0x506
382 #define OBD_FAIL_PTLRPC_DELAY_RECOV 0x507
383 #define OBD_FAIL_PTLRPC_CLIENT_BULK_CB 0x508
384 #define OBD_FAIL_PTLRPC_PAUSE_REQ 0x50a
385 #define OBD_FAIL_PTLRPC_PAUSE_REP 0x50c
386 #define OBD_FAIL_PTLRPC_IMP_DEACTIVE 0x50d
387 #define OBD_FAIL_PTLRPC_DUMP_LOG 0x50e
388 #define OBD_FAIL_PTLRPC_LONG_REPL_UNLINK 0x50f
389 #define OBD_FAIL_PTLRPC_LONG_BULK_UNLINK 0x510
390 #define OBD_FAIL_PTLRPC_HPREQ_TIMEOUT 0x511
391 #define OBD_FAIL_PTLRPC_HPREQ_NOTIMEOUT 0x512
392 #define OBD_FAIL_PTLRPC_DROP_REQ_OPC 0x513
393 #define OBD_FAIL_PTLRPC_FINISH_REPLAY 0x514
394 #define OBD_FAIL_PTLRPC_CLIENT_BULK_CB2 0x515
395 #define OBD_FAIL_PTLRPC_DELAY_IMP_FULL 0x516
396 #define OBD_FAIL_PTLRPC_CANCEL_RESEND 0x517
398 #define OBD_FAIL_OBD_PING_NET 0x600
399 #define OBD_FAIL_OBD_LOG_CANCEL_NET 0x601
400 #define OBD_FAIL_OBD_LOGD_NET 0x602
401 #define OBD_FAIL_OBD_QC_CALLBACK_NET 0x603
402 #define OBD_FAIL_OBD_DQACQ 0x604
403 #define OBD_FAIL_OBD_LLOG_SETUP 0x605
404 #define OBD_FAIL_OBD_LOG_CANCEL_REP 0x606
405 #define OBD_FAIL_OBD_IDX_READ_NET 0x607
406 #define OBD_FAIL_OBD_IDX_READ_BREAK 0x608
407 #define OBD_FAIL_OBD_NO_LRU 0x609
409 #define OBD_FAIL_TGT_REPLY_NET 0x700
410 #define OBD_FAIL_TGT_CONN_RACE 0x701
411 #define OBD_FAIL_TGT_FORCE_RECONNECT 0x702
412 #define OBD_FAIL_TGT_DELAY_CONNECT 0x703
413 #define OBD_FAIL_TGT_DELAY_RECONNECT 0x704
414 #define OBD_FAIL_TGT_DELAY_PRECREATE 0x705
415 #define OBD_FAIL_TGT_TOOMANY_THREADS 0x706
416 #define OBD_FAIL_TGT_REPLAY_DROP 0x707
417 #define OBD_FAIL_TGT_FAKE_EXP 0x708
418 #define OBD_FAIL_TGT_REPLAY_DELAY 0x709
419 #define OBD_FAIL_TGT_LAST_REPLAY 0x710
420 #define OBD_FAIL_TGT_CLIENT_ADD 0x711
421 #define OBD_FAIL_TGT_RCVG_FLAG 0x712
422 #define OBD_FAIL_TGT_DELAY_CONDITIONAL 0x713
424 #define OBD_FAIL_MDC_REVALIDATE_PAUSE 0x800
425 #define OBD_FAIL_MDC_ENQUEUE_PAUSE 0x801
426 #define OBD_FAIL_MDC_OLD_EXT_FLAGS 0x802
427 #define OBD_FAIL_MDC_GETATTR_ENQUEUE 0x803
428 #define OBD_FAIL_MDC_RPCS_SEM 0x804
429 #define OBD_FAIL_MDC_LIGHTWEIGHT 0x805
431 #define OBD_FAIL_MGS 0x900
432 #define OBD_FAIL_MGS_ALL_REQUEST_NET 0x901
433 #define OBD_FAIL_MGS_ALL_REPLY_NET 0x902
434 #define OBD_FAIL_MGC_PAUSE_PROCESS_LOG 0x903
435 #define OBD_FAIL_MGS_PAUSE_REQ 0x904
436 #define OBD_FAIL_MGS_PAUSE_TARGET_REG 0x905
437 #define OBD_FAIL_MGS_CONNECT_NET 0x906
438 #define OBD_FAIL_MGS_DISCONNECT_NET 0x907
439 #define OBD_FAIL_MGS_SET_INFO_NET 0x908
440 #define OBD_FAIL_MGS_EXCEPTION_NET 0x909
441 #define OBD_FAIL_MGS_TARGET_REG_NET 0x90a
442 #define OBD_FAIL_MGS_TARGET_DEL_NET 0x90b
443 #define OBD_FAIL_MGS_CONFIG_READ_NET 0x90c
445 #define OBD_FAIL_QUOTA_DQACQ_NET 0xA01
446 #define OBD_FAIL_QUOTA_EDQUOT 0xA02
447 #define OBD_FAIL_QUOTA_DELAY_REINT 0xA03
448 #define OBD_FAIL_QUOTA_RECOVERABLE_ERR 0xA04
450 #define OBD_FAIL_LPROC_REMOVE 0xB00
452 #define OBD_FAIL_GENERAL_ALLOC 0xC00
454 #define OBD_FAIL_SEQ 0x1000
455 #define OBD_FAIL_SEQ_QUERY_NET 0x1001
456 #define OBD_FAIL_SEQ_EXHAUST 0x1002
458 #define OBD_FAIL_FLD 0x1100
459 #define OBD_FAIL_FLD_QUERY_NET 0x1101
460 #define OBD_FAIL_FLD_READ_NET 0x1102
462 #define OBD_FAIL_SEC_CTX 0x1200
463 #define OBD_FAIL_SEC_CTX_INIT_NET 0x1201
464 #define OBD_FAIL_SEC_CTX_INIT_CONT_NET 0x1202
465 #define OBD_FAIL_SEC_CTX_FINI_NET 0x1203
466 #define OBD_FAIL_SEC_CTX_HDL_PAUSE 0x1204
468 #define OBD_FAIL_LLOG 0x1300
469 #define OBD_FAIL_LLOG_ORIGIN_CONNECT_NET 0x1301
470 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_CREATE_NET 0x1302
471 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_DESTROY_NET 0x1303
472 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_READ_HEADER_NET 0x1304
473 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_NEXT_BLOCK_NET 0x1305
474 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_PREV_BLOCK_NET 0x1306
475 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_WRITE_REC_NET 0x1307
476 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_CLOSE_NET 0x1308
477 #define OBD_FAIL_LLOG_CATINFO_NET 0x1309
478 #define OBD_FAIL_MDS_SYNC_CAPA_SL 0x1310
479 #define OBD_FAIL_SEQ_ALLOC 0x1311
481 #define OBD_FAIL_LLITE 0x1400
482 #define OBD_FAIL_LLITE_FAULT_TRUNC_RACE 0x1401
483 #define OBD_FAIL_LOCK_STATE_WAIT_INTR 0x1402
484 #define OBD_FAIL_LOV_INIT 0x1403
485 #define OBD_FAIL_GLIMPSE_DELAY 0x1404
486 #define OBD_FAIL_LLITE_XATTR_ENOMEM 0x1405
488 #define OBD_FAIL_FID_INDIR 0x1501
489 #define OBD_FAIL_FID_INLMA 0x1502
490 #define OBD_FAIL_FID_IGIF 0x1504
491 #define OBD_FAIL_FID_LOOKUP 0x1505
492 #define OBD_FAIL_FID_NOLMA 0x1506
495 #define OBD_FAIL_LFSCK_DELAY1 0x1600
496 #define OBD_FAIL_LFSCK_DELAY2 0x1601
497 #define OBD_FAIL_LFSCK_DELAY3 0x1602
498 #define OBD_FAIL_LFSCK_LINKEA_CRASH 0x1603
499 #define OBD_FAIL_LFSCK_LINKEA_MORE 0x1604
500 #define OBD_FAIL_LFSCK_LINKEA_MORE2 0x1605
501 #define OBD_FAIL_LFSCK_FATAL1 0x1608
502 #define OBD_FAIL_LFSCK_FATAL2 0x1609
503 #define OBD_FAIL_LFSCK_CRASH 0x160a
504 #define OBD_FAIL_LFSCK_NO_AUTO 0x160b
505 #define OBD_FAIL_LFSCK_NO_DOUBLESCAN 0x160c
506 #define OBD_FAIL_LFSCK_SKIP_LASTID 0x160d
507 #define OBD_FAIL_LFSCK_DELAY4 0x160e
508 #define OBD_FAIL_LFSCK_BAD_LMMOI 0x160f
509 #define OBD_FAIL_LFSCK_DANGLING 0x1610
510 #define OBD_FAIL_LFSCK_UNMATCHED_PAIR1 0x1611
511 #define OBD_FAIL_LFSCK_UNMATCHED_PAIR2 0x1612
512 #define OBD_FAIL_LFSCK_BAD_OWNER 0x1613
513 #define OBD_FAIL_LFSCK_MULTIPLE_REF 0x1614
514 #define OBD_FAIL_LFSCK_LOST_STRIPE 0x1615
515 #define OBD_FAIL_LFSCK_LOST_MDTOBJ 0x1616
516 #define OBD_FAIL_LFSCK_NOPFID 0x1617
517 #define OBD_FAIL_LFSCK_CHANGE_STRIPE 0x1618
518 #define OBD_FAIL_LFSCK_INVALID_PFID 0x1619
519 #define OBD_FAIL_LFSCK_LOST_SPEOBJ 0x161a
520 #define OBD_FAIL_LFSCK_DELAY5 0x161b
522 #define OBD_FAIL_LFSCK_NOTIFY_NET 0x16f0
523 #define OBD_FAIL_LFSCK_QUERY_NET 0x16f1
526 #define OBD_FAIL_OUT_UPDATE_NET 0x1700
527 #define OBD_FAIL_OUT_UPDATE_NET_REP 0x1701
530 #define OBD_FAIL_MIGRATE_NET_REP 0x1800
531 #define OBD_FAIL_MIGRATE_ENTRIES 0x1801
532 #define OBD_FAIL_MIGRATE_LINKEA 0x1802
535 #define OBD_FAIL_UNKNOWN_LMV_STRIPE 0x1901
538 #define OBD_FAIL_DT_DECLARE_ATTR_GET 0x2000
539 #define OBD_FAIL_DT_ATTR_GET 0x2001
540 #define OBD_FAIL_DT_DECLARE_ATTR_SET 0x2002
541 #define OBD_FAIL_DT_ATTR_SET 0x2003
542 #define OBD_FAIL_DT_DECLARE_XATTR_GET 0x2004
543 #define OBD_FAIL_DT_XATTR_GET 0x2005
544 #define OBD_FAIL_DT_DECLARE_XATTR_SET 0x2006
545 #define OBD_FAIL_DT_XATTR_SET 0x2007
546 #define OBD_FAIL_DT_DECLARE_XATTR_DEL 0x2008
547 #define OBD_FAIL_DT_XATTR_DEL 0x2009
548 #define OBD_FAIL_DT_XATTR_LIST 0x200a
549 #define OBD_FAIL_DT_DECLARE_CREATE 0x200b
550 #define OBD_FAIL_DT_CREATE 0x200c
551 #define OBD_FAIL_DT_DECLARE_DESTROY 0x200d
552 #define OBD_FAIL_DT_DESTROY 0x200e
553 #define OBD_FAIL_DT_INDEX_TRY 0x200f
554 #define OBD_FAIL_DT_DECLARE_REF_ADD 0x2010
555 #define OBD_FAIL_DT_REF_ADD 0x2011
556 #define OBD_FAIL_DT_DECLARE_REF_DEL 0x2012
557 #define OBD_FAIL_DT_REF_DEL 0x2013
558 #define OBD_FAIL_DT_DECLARE_INSERT 0x2014
559 #define OBD_FAIL_DT_INSERT 0x2015
560 #define OBD_FAIL_DT_DECLARE_DELETE 0x2016
561 #define OBD_FAIL_DT_DELETE 0x2017
562 #define OBD_FAIL_DT_LOOKUP 0x2018
564 /* Assign references to moved code to reduce code changes */
565 #define OBD_FAIL_PRECHECK(id) CFS_FAIL_PRECHECK(id)
566 #define OBD_FAIL_CHECK(id) CFS_FAIL_CHECK(id)
567 #define OBD_FAIL_CHECK_VALUE(id, value) CFS_FAIL_CHECK_VALUE(id, value)
568 #define OBD_FAIL_CHECK_ORSET(id, value) CFS_FAIL_CHECK_ORSET(id, value)
569 #define OBD_FAIL_CHECK_RESET(id, value) CFS_FAIL_CHECK_RESET(id, value)
570 #define OBD_FAIL_RETURN(id, ret) CFS_FAIL_RETURN(id, ret)
571 #define OBD_FAIL_TIMEOUT(id, secs) CFS_FAIL_TIMEOUT(id, secs)
572 #define OBD_FAIL_TIMEOUT_MS(id, ms) CFS_FAIL_TIMEOUT_MS(id, ms)
573 #define OBD_FAIL_TIMEOUT_ORSET(id, value, secs) CFS_FAIL_TIMEOUT_ORSET(id, value, secs)
574 #define OBD_RACE(id) CFS_RACE(id)
575 #define OBD_FAIL_ONCE CFS_FAIL_ONCE
576 #define OBD_FAILED CFS_FAILED
578 extern atomic_t libcfs_kmemory;
581 #define obd_memory_add(size) \
582 lprocfs_counter_add(obd_memory, OBD_MEMORY_STAT, (long)(size))
583 #define obd_memory_sub(size) \
584 lprocfs_counter_sub(obd_memory, OBD_MEMORY_STAT, (long)(size))
585 #define obd_memory_sum() \
586 lprocfs_stats_collector(obd_memory, OBD_MEMORY_STAT, \
587 LPROCFS_FIELDS_FLAGS_SUM)
588 #define obd_pages_add(order) \
589 lprocfs_counter_add(obd_memory, OBD_MEMORY_PAGES_STAT, \
590 (long)(1 << (order)))
591 #define obd_pages_sub(order) \
592 lprocfs_counter_sub(obd_memory, OBD_MEMORY_PAGES_STAT, \
593 (long)(1 << (order)))
594 #define obd_pages_sum() \
595 lprocfs_stats_collector(obd_memory, OBD_MEMORY_PAGES_STAT, \
596 LPROCFS_FIELDS_FLAGS_SUM)
598 extern void obd_update_maxusage(void);
599 extern __u64 obd_memory_max(void);
600 extern __u64 obd_pages_max(void);
604 extern __u64 obd_alloc;
605 extern __u64 obd_pages;
607 extern __u64 obd_max_alloc;
608 extern __u64 obd_max_pages;
610 static inline void obd_memory_add(long size)
613 if (obd_alloc > obd_max_alloc)
614 obd_max_alloc = obd_alloc;
617 static inline void obd_memory_sub(long size)
622 static inline void obd_pages_add(int order)
624 obd_pages += 1<< order;
625 if (obd_pages > obd_max_pages)
626 obd_max_pages = obd_pages;
629 static inline void obd_pages_sub(int order)
631 obd_pages -= 1<< order;
634 #define obd_memory_sum() (obd_alloc)
635 #define obd_pages_sum() (obd_pages)
637 #define obd_memory_max() (obd_max_alloc)
638 #define obd_pages_max() (obd_max_pages)
642 #define OBD_DEBUG_MEMUSAGE (1)
644 #if OBD_DEBUG_MEMUSAGE
645 #define OBD_ALLOC_POST(ptr, size, name) \
646 obd_memory_add(size); \
647 CDEBUG(D_MALLOC, name " '" #ptr "': %d at %p.\n", \
650 #define OBD_FREE_PRE(ptr, size, name) \
652 obd_memory_sub(size); \
653 CDEBUG(D_MALLOC, name " '" #ptr "': %d at %p.\n", \
655 POISON(ptr, 0x5a, size)
657 #else /* !OBD_DEBUG_MEMUSAGE */
659 #define OBD_ALLOC_POST(ptr, size, name) ((void)0)
660 #define OBD_FREE_PRE(ptr, size, name) ((void)0)
662 #endif /* !OBD_DEBUG_MEMUSAGE */
664 #ifdef RANDOM_FAIL_ALLOC
665 #define HAS_FAIL_ALLOC_FLAG OBD_FAIL_CHECK(OBD_FAIL_GENERAL_ALLOC)
667 #define HAS_FAIL_ALLOC_FLAG 0
670 #define OBD_ALLOC_FAIL_BITS 24
671 #define OBD_ALLOC_FAIL_MASK ((1 << OBD_ALLOC_FAIL_BITS) - 1)
672 #define OBD_ALLOC_FAIL_MULT (OBD_ALLOC_FAIL_MASK / 100)
674 #if defined(LUSTRE_UTILS) /* this version is for utils only */
675 #define __OBD_MALLOC_VERBOSE(ptr, cptab, cpt, size, flags) \
677 (ptr) = (cptab) == NULL ? \
678 kmalloc(size, flags | __GFP_ZERO) : \
679 cfs_cpt_malloc(cptab, cpt, size, flags | __GFP_ZERO); \
680 if (unlikely((ptr) == NULL)) { \
681 CERROR("kmalloc of '" #ptr "' (%d bytes) failed at %s:%d\n", \
682 (int)(size), __FILE__, __LINE__); \
684 CDEBUG(D_MALLOC, "kmalloced '" #ptr "': %d at %p\n", \
689 #else /* this version is for the kernel and liblustre */
690 #define OBD_FREE_RTN0(ptr) \
697 #define __OBD_MALLOC_VERBOSE(ptr, cptab, cpt, size, flags) \
699 (ptr) = (cptab) == NULL ? \
700 kmalloc(size, flags | __GFP_ZERO) : \
701 cfs_cpt_malloc(cptab, cpt, size, flags | __GFP_ZERO); \
702 if (likely((ptr) != NULL && \
703 (!HAS_FAIL_ALLOC_FLAG || obd_alloc_fail_rate == 0 || \
704 !obd_alloc_fail(ptr, #ptr, "km", size, \
705 __FILE__, __LINE__) || \
706 OBD_FREE_RTN0(ptr)))){ \
707 OBD_ALLOC_POST(ptr, size, "kmalloced"); \
712 #define OBD_ALLOC_GFP(ptr, size, gfp_mask) \
713 __OBD_MALLOC_VERBOSE(ptr, NULL, 0, size, gfp_mask)
715 #define OBD_ALLOC(ptr, size) OBD_ALLOC_GFP(ptr, size, GFP_NOFS)
716 #define OBD_ALLOC_WAIT(ptr, size) OBD_ALLOC_GFP(ptr, size, GFP_KERNEL)
717 #define OBD_ALLOC_PTR(ptr) OBD_ALLOC(ptr, sizeof *(ptr))
718 #define OBD_ALLOC_PTR_WAIT(ptr) OBD_ALLOC_WAIT(ptr, sizeof *(ptr))
720 #define OBD_CPT_ALLOC_GFP(ptr, cptab, cpt, size, gfp_mask) \
721 __OBD_MALLOC_VERBOSE(ptr, cptab, cpt, size, gfp_mask)
723 #define OBD_CPT_ALLOC(ptr, cptab, cpt, size) \
724 OBD_CPT_ALLOC_GFP(ptr, cptab, cpt, size, GFP_NOFS)
726 #define OBD_CPT_ALLOC_PTR(ptr, cptab, cpt) \
727 OBD_CPT_ALLOC(ptr, cptab, cpt, sizeof *(ptr))
729 /* Direct use of __vmalloc() allows for protection flag specification
730 * (and particularly to not set __GFP_FS, which is likely to cause some
731 * deadlock situations in our code).
733 # define __OBD_VMALLOC_VERBOSE(ptr, cptab, cpt, size) \
735 (ptr) = cptab == NULL ? \
736 __vmalloc(size, GFP_NOFS | __GFP_HIGHMEM | __GFP_ZERO, \
738 cfs_cpt_vzalloc(cptab, cpt, size); \
739 if (unlikely((ptr) == NULL)) { \
740 CERROR("vmalloc of '" #ptr "' (%d bytes) failed\n", \
742 CERROR(LPU64" total bytes allocated by Lustre, %d by LNET\n", \
743 obd_memory_sum(), atomic_read(&libcfs_kmemory)); \
745 OBD_ALLOC_POST(ptr, size, "vmalloced"); \
749 # define OBD_VMALLOC(ptr, size) \
750 __OBD_VMALLOC_VERBOSE(ptr, NULL, 0, size)
751 # define OBD_CPT_VMALLOC(ptr, cptab, cpt, size) \
752 __OBD_VMALLOC_VERBOSE(ptr, cptab, cpt, size)
756 /* Allocations above this size are considered too big and could not be done
759 * Be very careful when changing this value, especially when decreasing it,
760 * since vmalloc in Linux doesn't perform well on multi-cores system, calling
761 * vmalloc in critical path would hurt peformance badly. See LU-66.
763 #define OBD_ALLOC_BIG (4 * PAGE_CACHE_SIZE)
765 #define OBD_ALLOC_LARGE(ptr, size) \
767 if (size > OBD_ALLOC_BIG) \
768 OBD_VMALLOC(ptr, size); \
770 OBD_ALLOC(ptr, size); \
773 #define OBD_CPT_ALLOC_LARGE(ptr, cptab, cpt, size) \
775 if (size > OBD_ALLOC_BIG) \
776 OBD_CPT_VMALLOC(ptr, cptab, cpt, size); \
778 OBD_CPT_ALLOC(ptr, cptab, cpt, size); \
781 #define OBD_FREE_LARGE(ptr, size) \
783 if (size > OBD_ALLOC_BIG) \
784 OBD_VFREE(ptr, size); \
786 OBD_FREE(ptr, size); \
789 #else /* !__KERNEL__ */
791 #define OBD_ALLOC_LARGE(ptr, size) \
793 #define OBD_CPT_ALLOC_LARGE(ptr, cptab, cpt, size) \
795 #define OBD_FREE_LARGE(ptr, size) \
798 #endif /* __KERNEL__ */
800 #ifdef CONFIG_DEBUG_SLAB
801 #define POISON(ptr, c, s) do {} while (0)
802 #define POISON_PTR(ptr) ((void)0)
804 #define POISON(ptr, c, s) memset(ptr, c, s)
805 #define POISON_PTR(ptr) (ptr) = (void *)0xdeadbeef
809 #define POISON_PAGE(page, val) do { memset(kmap(page), val, PAGE_CACHE_SIZE); \
810 kunmap(page); } while (0)
812 #define POISON_PAGE(page, val) do { } while (0)
816 #define OBD_FREE(ptr, size) \
818 OBD_FREE_PRE(ptr, size, "kfreed"); \
824 #define OBD_FREE_RCU(ptr, size, handle) \
826 struct portals_handle *__h = (handle); \
828 LASSERT(handle != NULL); \
829 __h->h_cookie = (unsigned long)(ptr); \
830 __h->h_size = (size); \
831 call_rcu(&__h->h_rcu, class_handle_free_cb); \
836 #define OBD_FREE(ptr, size) ((void)(size), free((ptr)))
837 #define OBD_FREE_RCU(ptr, size, handle) (OBD_FREE(ptr, size))
838 #endif /* ifdef __KERNEL__ */
840 #define OBD_VFREE(ptr, size) \
842 OBD_FREE_PRE(ptr, size, "vfreed"); \
847 /* we memset() the slab object to 0 when allocation succeeds, so DO NOT
848 * HAVE A CTOR THAT DOES ANYTHING. its work will be cleared here. we'd
849 * love to assert on that, but slab.c keeps kmem_cache_s all to itself. */
850 #define OBD_SLAB_FREE_RTN0(ptr, slab) \
852 kmem_cache_free((slab), (ptr)); \
857 #define __OBD_SLAB_ALLOC_VERBOSE(ptr, slab, cptab, cpt, size, type) \
859 LASSERT(ergo((type) != GFP_ATOMIC, !in_interrupt())); \
860 (ptr) = (cptab) == NULL ? \
861 kmem_cache_alloc(slab, type | __GFP_ZERO) : \
862 cfs_mem_cache_cpt_alloc(slab, cptab, cpt, type | __GFP_ZERO); \
863 if (likely((ptr) != NULL && \
864 (!HAS_FAIL_ALLOC_FLAG || obd_alloc_fail_rate == 0 || \
865 !obd_alloc_fail(ptr, #ptr, "slab-", size, \
866 __FILE__, __LINE__) || \
867 OBD_SLAB_FREE_RTN0(ptr, slab)))) { \
868 OBD_ALLOC_POST(ptr, size, "slab-alloced"); \
872 #define OBD_SLAB_ALLOC_GFP(ptr, slab, size, flags) \
873 __OBD_SLAB_ALLOC_VERBOSE(ptr, slab, NULL, 0, size, flags)
874 #define OBD_SLAB_CPT_ALLOC_GFP(ptr, slab, cptab, cpt, size, flags) \
875 __OBD_SLAB_ALLOC_VERBOSE(ptr, slab, cptab, cpt, size, flags)
877 #define OBD_FREE_PTR(ptr) OBD_FREE(ptr, sizeof *(ptr))
879 #define OBD_SLAB_FREE(ptr, slab, size) \
881 OBD_FREE_PRE(ptr, size, "slab-freed"); \
882 kmem_cache_free(slab, ptr); \
886 #define OBD_SLAB_ALLOC(ptr, slab, size) \
887 OBD_SLAB_ALLOC_GFP(ptr, slab, size, GFP_NOFS)
889 #define OBD_SLAB_CPT_ALLOC(ptr, slab, cptab, cpt, size) \
890 OBD_SLAB_CPT_ALLOC_GFP(ptr, slab, cptab, cpt, size, GFP_NOFS)
892 #define OBD_SLAB_ALLOC_PTR(ptr, slab) \
893 OBD_SLAB_ALLOC(ptr, slab, sizeof *(ptr))
895 #define OBD_SLAB_CPT_ALLOC_PTR(ptr, slab, cptab, cpt) \
896 OBD_SLAB_CPT_ALLOC(ptr, slab, cptab, cpt, sizeof *(ptr))
898 #define OBD_SLAB_ALLOC_PTR_GFP(ptr, slab, flags) \
899 OBD_SLAB_ALLOC_GFP(ptr, slab, sizeof *(ptr), flags)
901 #define OBD_SLAB_CPT_ALLOC_PTR_GFP(ptr, slab, cptab, cpt, flags) \
902 OBD_SLAB_CPT_ALLOC_GFP(ptr, slab, cptab, cpt, sizeof *(ptr), flags)
904 #define OBD_SLAB_FREE_PTR(ptr, slab) \
905 OBD_SLAB_FREE((ptr), (slab), sizeof *(ptr))
907 #define KEY_IS(str) \
908 (keylen >= (sizeof(str)-1) && memcmp(key, str, (sizeof(str)-1)) == 0)
910 /* Wrapper for contiguous page frame allocation */
911 #define __OBD_PAGE_ALLOC_VERBOSE(ptr, cptab, cpt, gfp_mask) \
913 (ptr) = (cptab) == NULL ? \
914 alloc_page(gfp_mask) : \
915 cfs_page_cpt_alloc(cptab, cpt, gfp_mask); \
916 if (unlikely((ptr) == NULL)) { \
917 CERROR("alloc_pages of '" #ptr "' %d page(s) / "LPU64" bytes "\
918 "failed\n", (int)1, \
919 (__u64)(1 << PAGE_CACHE_SHIFT)); \
920 CERROR(LPU64" total bytes and "LPU64" total pages " \
921 "("LPU64" bytes) allocated by Lustre, " \
922 "%d total bytes by LNET\n", \
924 obd_pages_sum() << PAGE_CACHE_SHIFT, \
926 atomic_read(&libcfs_kmemory)); \
929 CDEBUG(D_MALLOC, "alloc_pages '" #ptr "': %d page(s) / " \
930 LPU64" bytes at %p.\n", \
932 (__u64)(1 << PAGE_CACHE_SHIFT), ptr); \
936 #define OBD_PAGE_ALLOC(ptr, gfp_mask) \
937 __OBD_PAGE_ALLOC_VERBOSE(ptr, NULL, 0, gfp_mask)
938 #define OBD_PAGE_CPT_ALLOC(ptr, cptab, cpt, gfp_mask) \
939 __OBD_PAGE_ALLOC_VERBOSE(ptr, cptab, cpt, gfp_mask)
941 #define OBD_PAGE_FREE(ptr) \
945 CDEBUG(D_MALLOC, "free_pages '" #ptr "': %d page(s) / "LPU64" bytes " \
947 (int)1, (__u64)(1 << PAGE_CACHE_SHIFT), \
950 (ptr) = (void *)0xdeadbeef; \