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, 2014, Intel Corporation.
33 * This file is part of Lustre, http://www.lustre.org/
34 * Lustre is a trademark of Sun Microsystems, Inc.
41 # error Userspace should not include obd_support.h.
42 #endif /* !__KERNEL__ */
44 #include <linux/atomic.h>
45 #include <linux/highmem.h>
46 #include <linux/slab.h>
47 #include <linux/types.h>
49 #include <libcfs/libcfs.h>
50 #include <lprocfs_status.h>
51 #include <lustre_handles.h>
53 /* global variables */
54 extern struct lprocfs_stats *obd_memory;
60 extern unsigned int obd_debug_peer_on_timeout;
61 extern unsigned int obd_dump_on_timeout;
62 extern unsigned int obd_dump_on_eviction;
63 /* obd_timeout should only be used for recovery, not for
64 networking / disk / timings affected by load (use Adaptive Timeouts) */
65 extern unsigned int obd_timeout; /* seconds */
66 extern unsigned int ldlm_timeout; /* seconds */
67 extern unsigned int obd_timeout_set;
68 extern unsigned int ldlm_timeout_set;
69 extern unsigned int bulk_timeout;
70 extern unsigned int at_min;
71 extern unsigned int at_max;
72 extern unsigned int at_history;
73 extern int at_early_margin;
75 extern unsigned long obd_max_dirty_pages;
76 extern atomic_long_t obd_dirty_pages;
77 extern atomic_long_t obd_dirty_transit_pages;
78 extern char obd_jobid_var[];
80 /* Some hash init argument constants */
81 #define HASH_POOLS_BKT_BITS 3
82 #define HASH_POOLS_CUR_BITS 3
83 #define HASH_POOLS_MAX_BITS 7
84 #define HASH_UUID_BKT_BITS 5
85 #define HASH_UUID_CUR_BITS 7
86 #define HASH_UUID_MAX_BITS 12
87 #define HASH_NID_BKT_BITS 5
88 #define HASH_NID_CUR_BITS 7
89 #define HASH_NID_MAX_BITS 12
90 #define HASH_NID_STATS_BKT_BITS 5
91 #define HASH_NID_STATS_CUR_BITS 7
92 #define HASH_NID_STATS_MAX_BITS 12
93 #define HASH_GEN_BKT_BITS 5
94 #define HASH_GEN_CUR_BITS 7
95 #define HASH_GEN_MAX_BITS 12
96 #define HASH_LQE_BKT_BITS 5
97 #define HASH_LQE_CUR_BITS 7
98 #define HASH_LQE_MAX_BITS 12
99 #define HASH_CONN_BKT_BITS 5
100 #define HASH_CONN_CUR_BITS 5
101 #define HASH_CONN_MAX_BITS 15
102 #define HASH_EXP_LOCK_BKT_BITS 5
103 #define HASH_EXP_LOCK_CUR_BITS 7
104 #define HASH_EXP_LOCK_MAX_BITS 16
105 #define HASH_CL_ENV_BKT_BITS 5
106 #define HASH_CL_ENV_BITS 10
107 #define HASH_JOB_STATS_BKT_BITS 5
108 #define HASH_JOB_STATS_CUR_BITS 7
109 #define HASH_JOB_STATS_MAX_BITS 12
111 /* Timeout definitions */
112 #define OBD_TIMEOUT_DEFAULT 100
113 #define LDLM_TIMEOUT_DEFAULT 20
114 #define MDS_LDLM_TIMEOUT_DEFAULT 6
115 /* Time to wait for all clients to reconnect during recovery (hard limit) */
116 #define OBD_RECOVERY_TIME_HARD (obd_timeout * 9)
117 /* Time to wait for all clients to reconnect during recovery (soft limit) */
118 /* Should be very conservative; must catch the first reconnect after reboot */
119 #define OBD_RECOVERY_TIME_SOFT (obd_timeout * 3)
120 /* Change recovery-small 26b time if you change this */
121 #define PING_INTERVAL max(obd_timeout / 4, 1U)
122 /* a bit more than maximal journal commit time in seconds */
123 #define PING_INTERVAL_SHORT min(PING_INTERVAL, 7U)
124 /* Client may skip 1 ping; we must wait at least 2.5. But for multiple
125 * failover targets the client only pings one server at a time, and pings
126 * can be lost on a loaded network. Since eviction has serious consequences,
127 * and there's no urgent need to evict a client just because it's idle, we
128 * should be very conservative here. */
129 #define PING_EVICT_TIMEOUT (PING_INTERVAL * 6)
130 #define DISK_TIMEOUT 50 /* Beyond this we warn about disk speed */
131 #define CONNECTION_SWITCH_MIN 5U /* Connection switching rate limiter */
132 /* Max connect interval for nonresponsive servers; ~50s to avoid building up
133 connect requests in the LND queues, but within obd_timeout so we don't
134 miss the recovery window */
135 #define CONNECTION_SWITCH_MAX min(50U, max(CONNECTION_SWITCH_MIN,obd_timeout))
136 #define CONNECTION_SWITCH_INC 5 /* Connection timeout backoff */
137 /* In general this should be low to have quick detection of a system
138 running on a backup server. (If it's too low, import_select_connection
139 will increase the timeout anyhow.) */
140 #define INITIAL_CONNECT_TIMEOUT max(CONNECTION_SWITCH_MIN,obd_timeout/20)
141 /* The max delay between connects is SWITCH_MAX + SWITCH_INC + INITIAL */
142 #define RECONNECT_DELAY_MAX (CONNECTION_SWITCH_MAX + CONNECTION_SWITCH_INC + \
143 INITIAL_CONNECT_TIMEOUT)
144 /* The min time a target should wait for clients to reconnect in recovery */
145 #define OBD_RECOVERY_TIME_MIN (2*RECONNECT_DELAY_MAX)
146 #define OBD_IR_FACTOR_MIN 1
147 #define OBD_IR_FACTOR_MAX 10
148 #define OBD_IR_FACTOR_DEFAULT (OBD_IR_FACTOR_MAX/2)
149 /* default timeout for the MGS to become IR_FULL */
150 #define OBD_IR_MGS_TIMEOUT (4*obd_timeout)
151 #define LONG_UNLINK 300 /* Unlink should happen before now */
154 * Time interval of shrink, if the client is "idle" more than this interval,
155 * then the ll_grant thread will return the requested grant space to filter
157 #define GRANT_SHRINK_INTERVAL 1200/*20 minutes*/
159 #define OBD_FAIL_MDS 0x100
160 #define OBD_FAIL_MDS_HANDLE_UNPACK 0x101
161 #define OBD_FAIL_MDS_GETATTR_NET 0x102
162 #define OBD_FAIL_MDS_GETATTR_PACK 0x103
163 #define OBD_FAIL_MDS_READPAGE_NET 0x104
164 #define OBD_FAIL_MDS_READPAGE_PACK 0x105
165 #define OBD_FAIL_MDS_SENDPAGE 0x106
166 #define OBD_FAIL_MDS_REINT_NET 0x107
167 #define OBD_FAIL_MDS_REINT_UNPACK 0x108
168 #define OBD_FAIL_MDS_REINT_SETATTR 0x109
169 #define OBD_FAIL_MDS_REINT_SETATTR_WRITE 0x10a
170 #define OBD_FAIL_MDS_REINT_CREATE 0x10b
171 #define OBD_FAIL_MDS_REINT_CREATE_WRITE 0x10c
172 #define OBD_FAIL_MDS_REINT_UNLINK 0x10d
173 #define OBD_FAIL_MDS_REINT_UNLINK_WRITE 0x10e
174 #define OBD_FAIL_MDS_REINT_LINK 0x10f
175 #define OBD_FAIL_MDS_REINT_LINK_WRITE 0x110
176 #define OBD_FAIL_MDS_REINT_RENAME 0x111
177 #define OBD_FAIL_MDS_REINT_RENAME_WRITE 0x112
178 #define OBD_FAIL_MDS_OPEN_NET 0x113
179 #define OBD_FAIL_MDS_OPEN_PACK 0x114
180 #define OBD_FAIL_MDS_CLOSE_NET 0x115
181 #define OBD_FAIL_MDS_CLOSE_PACK 0x116
182 #define OBD_FAIL_MDS_CONNECT_NET 0x117
183 #define OBD_FAIL_MDS_CONNECT_PACK 0x118
184 #define OBD_FAIL_MDS_REINT_NET_REP 0x119
185 #define OBD_FAIL_MDS_DISCONNECT_NET 0x11a
186 #define OBD_FAIL_MDS_GETSTATUS_NET 0x11b
187 #define OBD_FAIL_MDS_GETSTATUS_PACK 0x11c
188 #define OBD_FAIL_MDS_STATFS_PACK 0x11d
189 #define OBD_FAIL_MDS_STATFS_NET 0x11e
190 #define OBD_FAIL_MDS_GETATTR_NAME_NET 0x11f
191 #define OBD_FAIL_MDS_PIN_NET 0x120
192 #define OBD_FAIL_MDS_UNPIN_NET 0x121
193 #define OBD_FAIL_MDS_ALL_REPLY_NET 0x122
194 #define OBD_FAIL_MDS_ALL_REQUEST_NET 0x123
195 #define OBD_FAIL_MDS_SYNC_NET 0x124
196 #define OBD_FAIL_MDS_SYNC_PACK 0x125
197 /* OBD_FAIL_MDS_DONE_WRITING_NET 0x126 obsolete since 2.8.0 */
198 /* OBD_FAIL_MDS_DONE_WRITING_PACK 0x127 obsolete since 2.8.0 */
199 #define OBD_FAIL_MDS_ALLOC_OBDO 0x128
200 #define OBD_FAIL_MDS_PAUSE_OPEN 0x129
201 #define OBD_FAIL_MDS_STATFS_LCW_SLEEP 0x12a
202 #define OBD_FAIL_MDS_OPEN_CREATE 0x12b
203 #define OBD_FAIL_MDS_OST_SETATTR 0x12c
204 /* OBD_FAIL_MDS_QUOTACHECK_NET 0x12d obsolete since 2.4 */
205 #define OBD_FAIL_MDS_QUOTACTL_NET 0x12e
206 #define OBD_FAIL_MDS_CLIENT_ADD 0x12f
207 #define OBD_FAIL_MDS_GETXATTR_NET 0x130
208 #define OBD_FAIL_MDS_GETXATTR_PACK 0x131
209 #define OBD_FAIL_MDS_SETXATTR_NET 0x132
210 #define OBD_FAIL_MDS_SETXATTR 0x133
211 #define OBD_FAIL_MDS_SETXATTR_WRITE 0x134
212 #define OBD_FAIL_MDS_FS_SETUP 0x135
213 #define OBD_FAIL_MDS_RESEND 0x136
214 #define OBD_FAIL_MDS_LLOG_CREATE_FAILED 0x137
215 #define OBD_FAIL_MDS_LOV_SYNC_RACE 0x138
216 #define OBD_FAIL_MDS_OSC_PRECREATE 0x139
217 #define OBD_FAIL_MDS_LLOG_SYNC_TIMEOUT 0x13a
218 #define OBD_FAIL_MDS_CLOSE_NET_REP 0x13b
219 #define OBD_FAIL_MDS_BLOCK_QUOTA_REQ 0x13c
220 #define OBD_FAIL_MDS_DROP_QUOTA_REQ 0x13d
221 #define OBD_FAIL_MDS_REMOVE_COMMON_EA 0x13e
222 #define OBD_FAIL_MDS_ALLOW_COMMON_EA_SETTING 0x13f
223 #define OBD_FAIL_MDS_FAIL_LOV_LOG_ADD 0x140
224 #define OBD_FAIL_MDS_LOV_PREP_CREATE 0x141
225 #define OBD_FAIL_MDS_REINT_DELAY 0x142
226 #define OBD_FAIL_MDS_READLINK_EPROTO 0x143
227 #define OBD_FAIL_MDS_OPEN_WAIT_CREATE 0x144
228 #define OBD_FAIL_MDS_PDO_LOCK 0x145
229 #define OBD_FAIL_MDS_PDO_LOCK2 0x146
230 #define OBD_FAIL_MDS_OSC_CREATE_FAIL 0x147
231 #define OBD_FAIL_MDS_NEGATIVE_POSITIVE 0x148
232 #define OBD_FAIL_MDS_HSM_STATE_GET_NET 0x149
233 #define OBD_FAIL_MDS_HSM_STATE_SET_NET 0x14a
234 #define OBD_FAIL_MDS_HSM_PROGRESS_NET 0x14b
235 #define OBD_FAIL_MDS_HSM_REQUEST_NET 0x14c
236 #define OBD_FAIL_MDS_HSM_CT_REGISTER_NET 0x14d
237 #define OBD_FAIL_MDS_HSM_CT_UNREGISTER_NET 0x14e
238 #define OBD_FAIL_MDS_SWAP_LAYOUTS_NET 0x14f
239 #define OBD_FAIL_MDS_HSM_ACTION_NET 0x150
240 #define OBD_FAIL_MDS_CHANGELOG_INIT 0x151
241 #define OBD_FAIL_MDS_HSM_SWAP_LAYOUTS 0x152
242 #define OBD_FAIL_MDS_RENAME 0x153
243 #define OBD_FAIL_MDS_RENAME2 0x154
244 #define OBD_FAIL_MDS_RENAME3 0x155
245 #define OBD_FAIL_MDS_RENAME4 0x156
246 #define OBD_FAIL_MDS_LDLM_REPLY_NET 0x157
247 #define OBD_FAIL_MDS_STALE_DIR_LAYOUT 0x158
248 #define OBD_FAIL_MDS_REINT_MULTI_NET 0x159
249 #define OBD_FAIL_MDS_REINT_MULTI_NET_REP 0x15a
252 #define OBD_FAIL_MDS_NO_LL_GETATTR 0x170
253 #define OBD_FAIL_MDS_NO_LL_OPEN 0x171
254 #define OBD_FAIL_MDS_LL_BLOCK 0x172
257 #define OBD_FAIL_MDS_IS_SUBDIR_NET 0x180
258 #define OBD_FAIL_MDS_IS_SUBDIR_PACK 0x181
259 #define OBD_FAIL_MDS_SET_INFO_NET 0x182
260 #define OBD_FAIL_MDS_WRITEPAGE_NET 0x183
261 #define OBD_FAIL_MDS_WRITEPAGE_PACK 0x184
262 #define OBD_FAIL_MDS_RECOVERY_ACCEPTS_GAPS 0x185
263 #define OBD_FAIL_MDS_GET_INFO_NET 0x186
264 #define OBD_FAIL_MDS_DQACQ_NET 0x187
267 #define OBD_FAIL_OSD_SCRUB_DELAY 0x190
268 #define OBD_FAIL_OSD_SCRUB_CRASH 0x191
269 #define OBD_FAIL_OSD_SCRUB_FATAL 0x192
270 #define OBD_FAIL_OSD_FID_MAPPING 0x193
271 #define OBD_FAIL_OSD_LMA_INCOMPAT 0x194
272 #define OBD_FAIL_OSD_COMPAT_INVALID_ENTRY 0x195
273 #define OBD_FAIL_OSD_COMPAT_NO_ENTRY 0x196
274 #define OBD_FAIL_OSD_OST_EA_FID_SET 0x197
276 #define OBD_FAIL_OST 0x200
277 #define OBD_FAIL_OST_CONNECT_NET 0x201
278 #define OBD_FAIL_OST_DISCONNECT_NET 0x202
279 #define OBD_FAIL_OST_GET_INFO_NET 0x203
280 #define OBD_FAIL_OST_CREATE_NET 0x204
281 #define OBD_FAIL_OST_DESTROY_NET 0x205
282 #define OBD_FAIL_OST_GETATTR_NET 0x206
283 #define OBD_FAIL_OST_SETATTR_NET 0x207
284 #define OBD_FAIL_OST_OPEN_NET 0x208
285 #define OBD_FAIL_OST_CLOSE_NET 0x209
286 #define OBD_FAIL_OST_BRW_NET 0x20a
287 #define OBD_FAIL_OST_PUNCH_NET 0x20b
288 #define OBD_FAIL_OST_STATFS_NET 0x20c
289 #define OBD_FAIL_OST_HANDLE_UNPACK 0x20d
290 #define OBD_FAIL_OST_BRW_WRITE_BULK 0x20e
291 #define OBD_FAIL_OST_BRW_READ_BULK 0x20f
292 #define OBD_FAIL_OST_SYNC_NET 0x210
293 #define OBD_FAIL_OST_ALL_REPLY_NET 0x211
294 #define OBD_FAIL_OST_ALL_REQUEST_NET 0x212
295 #define OBD_FAIL_OST_LDLM_REPLY_NET 0x213
296 #define OBD_FAIL_OST_BRW_PAUSE_BULK 0x214
297 #define OBD_FAIL_OST_ENOSPC 0x215
298 #define OBD_FAIL_OST_EROFS 0x216
299 #define OBD_FAIL_OST_ENOENT 0x217
300 /* OBD_FAIL_OST_QUOTACHECK_NET 0x218 obsolete since 2.4 */
301 #define OBD_FAIL_OST_QUOTACTL_NET 0x219
302 #define OBD_FAIL_OST_CHECKSUM_RECEIVE 0x21a
303 #define OBD_FAIL_OST_CHECKSUM_SEND 0x21b
304 #define OBD_FAIL_OST_BRW_SIZE 0x21c
305 #define OBD_FAIL_OST_DROP_REQ 0x21d
306 #define OBD_FAIL_OST_SETATTR_CREDITS 0x21e
307 #define OBD_FAIL_OST_HOLD_WRITE_RPC 0x21f
308 #define OBD_FAIL_OST_BRW_WRITE_BULK2 0x220
309 #define OBD_FAIL_OST_LLOG_RECOVERY_TIMEOUT 0x221
310 #define OBD_FAIL_OST_CANCEL_COOKIE_TIMEOUT 0x222
311 #define OBD_FAIL_OST_PAUSE_CREATE 0x223
312 #define OBD_FAIL_OST_BRW_PAUSE_PACK 0x224
313 #define OBD_FAIL_OST_CONNECT_NET2 0x225
314 #define OBD_FAIL_OST_NOMEM 0x226
315 #define OBD_FAIL_OST_BRW_PAUSE_BULK2 0x227
316 #define OBD_FAIL_OST_MAPBLK_ENOSPC 0x228
317 #define OBD_FAIL_OST_ENOINO 0x229
318 #define OBD_FAIL_OST_DQACQ_NET 0x230
319 #define OBD_FAIL_OST_STATFS_EINPROGRESS 0x231
320 #define OBD_FAIL_OST_SET_INFO_NET 0x232
321 #define OBD_FAIL_OST_NODESTROY 0x233
323 #define OBD_FAIL_LDLM 0x300
324 #define OBD_FAIL_LDLM_NAMESPACE_NEW 0x301
325 #define OBD_FAIL_LDLM_ENQUEUE_NET 0x302
326 #define OBD_FAIL_LDLM_CONVERT_NET 0x303
327 #define OBD_FAIL_LDLM_CANCEL_NET 0x304
328 #define OBD_FAIL_LDLM_BL_CALLBACK_NET 0x305
329 #define OBD_FAIL_LDLM_CP_CALLBACK_NET 0x306
330 #define OBD_FAIL_LDLM_GL_CALLBACK_NET 0x307
331 #define OBD_FAIL_LDLM_ENQUEUE_EXTENT_ERR 0x308
332 #define OBD_FAIL_LDLM_ENQUEUE_INTENT_ERR 0x309
333 #define OBD_FAIL_LDLM_CREATE_RESOURCE 0x30a
334 #define OBD_FAIL_LDLM_ENQUEUE_BLOCKED 0x30b
335 #define OBD_FAIL_LDLM_REPLY 0x30c
336 #define OBD_FAIL_LDLM_RECOV_CLIENTS 0x30d
337 #define OBD_FAIL_LDLM_ENQUEUE_OLD_EXPORT 0x30e
338 #define OBD_FAIL_LDLM_GLIMPSE 0x30f
339 #define OBD_FAIL_LDLM_CANCEL_RACE 0x310
340 #define OBD_FAIL_LDLM_CANCEL_EVICT_RACE 0x311
341 #define OBD_FAIL_LDLM_PAUSE_CANCEL 0x312
342 #define OBD_FAIL_LDLM_CLOSE_THREAD 0x313
343 #define OBD_FAIL_LDLM_CANCEL_BL_CB_RACE 0x314
344 #define OBD_FAIL_LDLM_CP_CB_WAIT 0x315
345 #define OBD_FAIL_LDLM_OST_FAIL_RACE 0x316
346 #define OBD_FAIL_LDLM_INTR_CP_AST 0x317
347 #define OBD_FAIL_LDLM_CP_BL_RACE 0x318
348 #define OBD_FAIL_LDLM_NEW_LOCK 0x319
349 #define OBD_FAIL_LDLM_AGL_DELAY 0x31a
350 #define OBD_FAIL_LDLM_AGL_NOLOCK 0x31b
351 #define OBD_FAIL_LDLM_OST_LVB 0x31c
352 #define OBD_FAIL_LDLM_ENQUEUE_HANG 0x31d
353 #define OBD_FAIL_LDLM_BL_EVICT 0x31e
354 #define OBD_FAIL_LDLM_PAUSE_CANCEL2 0x31f
355 #define OBD_FAIL_LDLM_CP_CB_WAIT2 0x320
356 #define OBD_FAIL_LDLM_CP_CB_WAIT3 0x321
357 #define OBD_FAIL_LDLM_CP_CB_WAIT4 0x322
358 #define OBD_FAIL_LDLM_CP_CB_WAIT5 0x323
359 #define OBD_FAIL_LDLM_SRV_BL_AST 0x324
360 #define OBD_FAIL_LDLM_SRV_CP_AST 0x325
361 #define OBD_FAIL_LDLM_SRV_GL_AST 0x326
362 #define OBD_FAIL_LDLM_WATERMARK_LOW 0x327
363 #define OBD_FAIL_LDLM_WATERMARK_HIGH 0x328
366 #define OBD_FAIL_LDLM_SET_CONTENTION 0x385
368 #define OBD_FAIL_OSC 0x400
369 #define OBD_FAIL_OSC_BRW_READ_BULK 0x401
370 #define OBD_FAIL_OSC_BRW_WRITE_BULK 0x402
371 #define OBD_FAIL_OSC_LOCK_BL_AST 0x403
372 #define OBD_FAIL_OSC_LOCK_CP_AST 0x404
373 #define OBD_FAIL_OSC_MATCH 0x405
374 #define OBD_FAIL_OSC_BRW_PREP_REQ 0x406
375 #define OBD_FAIL_OSC_SHUTDOWN 0x407
376 #define OBD_FAIL_OSC_CHECKSUM_RECEIVE 0x408
377 #define OBD_FAIL_OSC_CHECKSUM_SEND 0x409
378 #define OBD_FAIL_OSC_BRW_PREP_REQ2 0x40a
379 #define OBD_FAIL_OSC_CONNECT_CKSUM 0x40b
380 #define OBD_FAIL_OSC_CKSUM_ADLER_ONLY 0x40c
381 #define OBD_FAIL_OSC_DIO_PAUSE 0x40d
382 #define OBD_FAIL_OSC_OBJECT_CONTENTION 0x40e
383 #define OBD_FAIL_OSC_CP_CANCEL_RACE 0x40f
384 #define OBD_FAIL_OSC_CP_ENQ_RACE 0x410
385 #define OBD_FAIL_OSC_NO_GRANT 0x411
386 #define OBD_FAIL_OSC_DELAY_SETTIME 0x412
388 #define OBD_FAIL_PTLRPC 0x500
389 #define OBD_FAIL_PTLRPC_ACK 0x501
390 #define OBD_FAIL_PTLRPC_RQBD 0x502
391 #define OBD_FAIL_PTLRPC_BULK_GET_NET 0x503
392 #define OBD_FAIL_PTLRPC_BULK_PUT_NET 0x504
393 #define OBD_FAIL_PTLRPC_DROP_RPC 0x505
394 #define OBD_FAIL_PTLRPC_DELAY_SEND 0x506
395 #define OBD_FAIL_PTLRPC_DELAY_RECOV 0x507
396 #define OBD_FAIL_PTLRPC_CLIENT_BULK_CB 0x508
397 #define OBD_FAIL_PTLRPC_PAUSE_REQ 0x50a
398 #define OBD_FAIL_PTLRPC_PAUSE_REP 0x50c
399 #define OBD_FAIL_PTLRPC_IMP_DEACTIVE 0x50d
400 #define OBD_FAIL_PTLRPC_DUMP_LOG 0x50e
401 #define OBD_FAIL_PTLRPC_LONG_REPL_UNLINK 0x50f
402 #define OBD_FAIL_PTLRPC_LONG_BULK_UNLINK 0x510
403 #define OBD_FAIL_PTLRPC_HPREQ_TIMEOUT 0x511
404 #define OBD_FAIL_PTLRPC_HPREQ_NOTIMEOUT 0x512
405 #define OBD_FAIL_PTLRPC_DROP_REQ_OPC 0x513
406 #define OBD_FAIL_PTLRPC_FINISH_REPLAY 0x514
407 #define OBD_FAIL_PTLRPC_CLIENT_BULK_CB2 0x515
408 #define OBD_FAIL_PTLRPC_DELAY_IMP_FULL 0x516
409 #define OBD_FAIL_PTLRPC_CANCEL_RESEND 0x517
410 #define OBD_FAIL_PTLRPC_CLIENT_BULK_CB3 0x520
412 #define OBD_FAIL_OBD_PING_NET 0x600
413 #define OBD_FAIL_OBD_LOG_CANCEL_NET 0x601
414 #define OBD_FAIL_OBD_LOGD_NET 0x602
415 /* OBD_FAIL_OBD_QC_CALLBACK_NET 0x603 obsolete since 2.4 */
416 #define OBD_FAIL_OBD_DQACQ 0x604
417 #define OBD_FAIL_OBD_LLOG_SETUP 0x605
418 #define OBD_FAIL_OBD_LOG_CANCEL_REP 0x606
419 #define OBD_FAIL_OBD_IDX_READ_NET 0x607
420 #define OBD_FAIL_OBD_IDX_READ_BREAK 0x608
421 #define OBD_FAIL_OBD_NO_LRU 0x609
423 #define OBD_FAIL_TGT_REPLY_NET 0x700
424 #define OBD_FAIL_TGT_CONN_RACE 0x701
425 #define OBD_FAIL_TGT_FORCE_RECONNECT 0x702
426 #define OBD_FAIL_TGT_DELAY_CONNECT 0x703
427 #define OBD_FAIL_TGT_DELAY_RECONNECT 0x704
428 #define OBD_FAIL_TGT_DELAY_PRECREATE 0x705
429 #define OBD_FAIL_TGT_TOOMANY_THREADS 0x706
430 #define OBD_FAIL_TGT_REPLAY_DROP 0x707
431 #define OBD_FAIL_TGT_FAKE_EXP 0x708
432 #define OBD_FAIL_TGT_REPLAY_DELAY 0x709
433 /* #define OBD_FAIL_TGT_LAST_REPLAY 0x710 (obsoleted) */
434 #define OBD_FAIL_TGT_CLIENT_ADD 0x711
435 #define OBD_FAIL_TGT_RCVG_FLAG 0x712
436 #define OBD_FAIL_TGT_DELAY_CONDITIONAL 0x713
437 #define OBD_FAIL_TGT_REPLAY_DELAY2 0x714
438 #define OBD_FAIL_TGT_REPLAY_RECONNECT 0x715
440 #define OBD_FAIL_MDC_REVALIDATE_PAUSE 0x800
441 #define OBD_FAIL_MDC_ENQUEUE_PAUSE 0x801
442 #define OBD_FAIL_MDC_OLD_EXT_FLAGS 0x802
443 #define OBD_FAIL_MDC_GETATTR_ENQUEUE 0x803
444 #define OBD_FAIL_MDC_RPCS_SEM 0x804
445 #define OBD_FAIL_MDC_LIGHTWEIGHT 0x805
447 #define OBD_FAIL_MGS 0x900
448 #define OBD_FAIL_MGS_ALL_REQUEST_NET 0x901
449 #define OBD_FAIL_MGS_ALL_REPLY_NET 0x902
450 #define OBD_FAIL_MGC_PAUSE_PROCESS_LOG 0x903
451 #define OBD_FAIL_MGS_PAUSE_REQ 0x904
452 #define OBD_FAIL_MGS_PAUSE_TARGET_REG 0x905
453 #define OBD_FAIL_MGS_CONNECT_NET 0x906
454 #define OBD_FAIL_MGS_DISCONNECT_NET 0x907
455 #define OBD_FAIL_MGS_SET_INFO_NET 0x908
456 #define OBD_FAIL_MGS_EXCEPTION_NET 0x909
457 #define OBD_FAIL_MGS_TARGET_REG_NET 0x90a
458 #define OBD_FAIL_MGS_TARGET_DEL_NET 0x90b
459 #define OBD_FAIL_MGS_CONFIG_READ_NET 0x90c
460 #define OBD_FAIL_MGS_LDLM_REPLY_NET 0x90d
462 #define OBD_FAIL_QUOTA_DQACQ_NET 0xA01
463 #define OBD_FAIL_QUOTA_EDQUOT 0xA02
464 #define OBD_FAIL_QUOTA_DELAY_REINT 0xA03
465 #define OBD_FAIL_QUOTA_RECOVERABLE_ERR 0xA04
467 #define OBD_FAIL_LPROC_REMOVE 0xB00
469 #define OBD_FAIL_SEQ 0x1000
470 #define OBD_FAIL_SEQ_QUERY_NET 0x1001
471 #define OBD_FAIL_SEQ_EXHAUST 0x1002
473 #define OBD_FAIL_FLD 0x1100
474 #define OBD_FAIL_FLD_QUERY_NET 0x1101
475 #define OBD_FAIL_FLD_READ_NET 0x1102
477 #define OBD_FAIL_SEC_CTX 0x1200
478 #define OBD_FAIL_SEC_CTX_INIT_NET 0x1201
479 #define OBD_FAIL_SEC_CTX_INIT_CONT_NET 0x1202
480 #define OBD_FAIL_SEC_CTX_FINI_NET 0x1203
481 #define OBD_FAIL_SEC_CTX_HDL_PAUSE 0x1204
483 #define OBD_FAIL_LLOG 0x1300
484 #define OBD_FAIL_LLOG_ORIGIN_CONNECT_NET 0x1301
485 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_CREATE_NET 0x1302
486 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_DESTROY_NET 0x1303
487 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_READ_HEADER_NET 0x1304
488 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_NEXT_BLOCK_NET 0x1305
489 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_PREV_BLOCK_NET 0x1306
490 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_WRITE_REC_NET 0x1307
491 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_CLOSE_NET 0x1308
492 #define OBD_FAIL_LLOG_CATINFO_NET 0x1309
493 #define OBD_FAIL_MDS_SYNC_CAPA_SL 0x1310
494 #define OBD_FAIL_SEQ_ALLOC 0x1311
496 #define OBD_FAIL_LLITE 0x1400
497 #define OBD_FAIL_LLITE_FAULT_TRUNC_RACE 0x1401
498 #define OBD_FAIL_LOCK_STATE_WAIT_INTR 0x1402
499 #define OBD_FAIL_LOV_INIT 0x1403
500 #define OBD_FAIL_GLIMPSE_DELAY 0x1404
501 #define OBD_FAIL_LLITE_XATTR_ENOMEM 0x1405
502 #define OBD_FAIL_MAKE_LOVEA_HOLE 0x1406
503 #define OBD_FAIL_LLITE_LOST_LAYOUT 0x1407
505 #define OBD_FAIL_FID_INDIR 0x1501
506 #define OBD_FAIL_FID_INLMA 0x1502
507 #define OBD_FAIL_FID_IGIF 0x1504
508 #define OBD_FAIL_FID_LOOKUP 0x1505
509 #define OBD_FAIL_FID_NOLMA 0x1506
512 #define OBD_FAIL_LFSCK_DELAY1 0x1600
513 #define OBD_FAIL_LFSCK_DELAY2 0x1601
514 #define OBD_FAIL_LFSCK_DELAY3 0x1602
515 #define OBD_FAIL_LFSCK_LINKEA_CRASH 0x1603
516 #define OBD_FAIL_LFSCK_LINKEA_MORE 0x1604
517 #define OBD_FAIL_LFSCK_LINKEA_MORE2 0x1605
518 #define OBD_FAIL_LFSCK_FATAL1 0x1608
519 #define OBD_FAIL_LFSCK_FATAL2 0x1609
520 #define OBD_FAIL_LFSCK_CRASH 0x160a
521 #define OBD_FAIL_LFSCK_NO_AUTO 0x160b
522 #define OBD_FAIL_LFSCK_NO_DOUBLESCAN 0x160c
523 #define OBD_FAIL_LFSCK_SKIP_LASTID 0x160d
524 #define OBD_FAIL_LFSCK_DELAY4 0x160e
525 #define OBD_FAIL_LFSCK_BAD_LMMOI 0x160f
526 #define OBD_FAIL_LFSCK_DANGLING 0x1610
527 #define OBD_FAIL_LFSCK_UNMATCHED_PAIR1 0x1611
528 #define OBD_FAIL_LFSCK_UNMATCHED_PAIR2 0x1612
529 #define OBD_FAIL_LFSCK_BAD_OWNER 0x1613
530 #define OBD_FAIL_LFSCK_MULTIPLE_REF 0x1614
531 #define OBD_FAIL_LFSCK_LOST_STRIPE 0x1615
532 #define OBD_FAIL_LFSCK_LOST_MDTOBJ 0x1616
533 #define OBD_FAIL_LFSCK_NOPFID 0x1617
534 #define OBD_FAIL_LFSCK_CHANGE_STRIPE 0x1618
535 #define OBD_FAIL_LFSCK_INVALID_PFID 0x1619
536 #define OBD_FAIL_LFSCK_LOST_SPEOBJ 0x161a
537 #define OBD_FAIL_LFSCK_DELAY5 0x161b
538 #define OBD_FAIL_LFSCK_BAD_NETWORK 0x161c
539 #define OBD_FAIL_LFSCK_NO_LINKEA 0x161d
540 #define OBD_FAIL_LFSCK_BAD_PARENT 0x161e
541 #define OBD_FAIL_LFSCK_DANGLING2 0x1620
542 #define OBD_FAIL_LFSCK_DANGLING3 0x1621
543 #define OBD_FAIL_LFSCK_MUL_REF 0x1622
544 #define OBD_FAIL_LFSCK_BAD_TYPE 0x1623
545 #define OBD_FAIL_LFSCK_NO_NAMEENTRY 0x1624
546 #define OBD_FAIL_LFSCK_MORE_NLINK 0x1625
547 #define OBD_FAIL_LFSCK_LESS_NLINK 0x1626
548 #define OBD_FAIL_LFSCK_LINKEA_OVERFLOW 0x1627
549 #define OBD_FAIL_LFSCK_BAD_NAME_HASH 0x1628
550 #define OBD_FAIL_LFSCK_LOST_MASTER_LMV 0x1629
551 #define OBD_FAIL_LFSCK_LOST_SLAVE_LMV 0x162a
552 #define OBD_FAIL_LFSCK_BAD_SLAVE_LMV 0x162b
553 #define OBD_FAIL_LFSCK_BAD_SLAVE_NAME 0x162c
555 #define OBD_FAIL_LFSCK_NOTIFY_NET 0x16f0
556 #define OBD_FAIL_LFSCK_QUERY_NET 0x16f1
559 #define OBD_FAIL_OUT_UPDATE_NET 0x1700
560 #define OBD_FAIL_OUT_UPDATE_NET_REP 0x1701
561 #define OBD_FAIL_SPLIT_UPDATE_REC 0x1702
562 #define OBD_FAIL_LARGE_STRIPE 0x1703
565 #define OBD_FAIL_MIGRATE_NET_REP 0x1800
566 #define OBD_FAIL_MIGRATE_ENTRIES 0x1801
567 #define OBD_FAIL_MIGRATE_LINKEA 0x1802
568 #define OBD_FAIL_MIGRATE_DELAY 0x1803
571 #define OBD_FAIL_UNKNOWN_LMV_STRIPE 0x1901
574 #define OBD_FAIL_DT_DECLARE_ATTR_GET 0x2000
575 #define OBD_FAIL_DT_ATTR_GET 0x2001
576 #define OBD_FAIL_DT_DECLARE_ATTR_SET 0x2002
577 #define OBD_FAIL_DT_ATTR_SET 0x2003
578 #define OBD_FAIL_DT_DECLARE_XATTR_GET 0x2004
579 #define OBD_FAIL_DT_XATTR_GET 0x2005
580 #define OBD_FAIL_DT_DECLARE_XATTR_SET 0x2006
581 #define OBD_FAIL_DT_XATTR_SET 0x2007
582 #define OBD_FAIL_DT_DECLARE_XATTR_DEL 0x2008
583 #define OBD_FAIL_DT_XATTR_DEL 0x2009
584 #define OBD_FAIL_DT_XATTR_LIST 0x200a
585 #define OBD_FAIL_DT_DECLARE_CREATE 0x200b
586 #define OBD_FAIL_DT_CREATE 0x200c
587 #define OBD_FAIL_DT_DECLARE_DESTROY 0x200d
588 #define OBD_FAIL_DT_DESTROY 0x200e
589 #define OBD_FAIL_DT_INDEX_TRY 0x200f
590 #define OBD_FAIL_DT_DECLARE_REF_ADD 0x2010
591 #define OBD_FAIL_DT_REF_ADD 0x2011
592 #define OBD_FAIL_DT_DECLARE_REF_DEL 0x2012
593 #define OBD_FAIL_DT_REF_DEL 0x2013
594 #define OBD_FAIL_DT_DECLARE_INSERT 0x2014
595 #define OBD_FAIL_DT_INSERT 0x2015
596 #define OBD_FAIL_DT_DECLARE_DELETE 0x2016
597 #define OBD_FAIL_DT_DELETE 0x2017
598 #define OBD_FAIL_DT_LOOKUP 0x2018
600 /* Assign references to moved code to reduce code changes */
601 #define OBD_FAIL_PRECHECK(id) CFS_FAIL_PRECHECK(id)
602 #define OBD_FAIL_CHECK(id) CFS_FAIL_CHECK(id)
603 #define OBD_FAIL_CHECK_VALUE(id, value) CFS_FAIL_CHECK_VALUE(id, value)
604 #define OBD_FAIL_CHECK_ORSET(id, value) CFS_FAIL_CHECK_ORSET(id, value)
605 #define OBD_FAIL_CHECK_RESET(id, value) CFS_FAIL_CHECK_RESET(id, value)
606 #define OBD_FAIL_RETURN(id, ret) CFS_FAIL_RETURN(id, ret)
607 #define OBD_FAIL_TIMEOUT(id, secs) CFS_FAIL_TIMEOUT(id, secs)
608 #define OBD_FAIL_TIMEOUT_MS(id, ms) CFS_FAIL_TIMEOUT_MS(id, ms)
609 #define OBD_FAIL_TIMEOUT_ORSET(id, value, secs) CFS_FAIL_TIMEOUT_ORSET(id, value, secs)
610 #define OBD_RACE(id) CFS_RACE(id)
611 #define OBD_FAIL_ONCE CFS_FAIL_ONCE
612 #define OBD_FAILED CFS_FAILED
614 #define LUT_FAIL_CLASS(fail_id) (((fail_id) >> 8) << 16)
615 #define LUT_FAIL_MGT LUT_FAIL_CLASS(OBD_FAIL_MGS)
616 #define LUT_FAIL_MDT LUT_FAIL_CLASS(OBD_FAIL_MDS)
617 #define LUT_FAIL_OST LUT_FAIL_CLASS(OBD_FAIL_OST)
619 extern atomic_t libcfs_kmemory;
621 #ifdef CONFIG_PROC_FS
622 #define obd_memory_add(size) \
623 lprocfs_counter_add(obd_memory, OBD_MEMORY_STAT, (long)(size))
624 #define obd_memory_sub(size) \
625 lprocfs_counter_sub(obd_memory, OBD_MEMORY_STAT, (long)(size))
626 #define obd_memory_sum() \
627 lprocfs_stats_collector(obd_memory, OBD_MEMORY_STAT, \
628 LPROCFS_FIELDS_FLAGS_SUM)
630 extern void obd_update_maxusage(void);
631 extern __u64 obd_memory_max(void);
633 #else /* CONFIG_PROC_FS */
635 extern __u64 obd_alloc;
637 extern __u64 obd_max_alloc;
639 static inline void obd_memory_add(long size)
642 if (obd_alloc > obd_max_alloc)
643 obd_max_alloc = obd_alloc;
646 static inline void obd_memory_sub(long size)
651 #define obd_memory_sum() (obd_alloc)
653 #define obd_memory_max() (obd_max_alloc)
655 #endif /* !CONFIG_PROC_FS */
657 #define OBD_DEBUG_MEMUSAGE (1)
659 #if OBD_DEBUG_MEMUSAGE
660 #define OBD_ALLOC_POST(ptr, size, name) \
661 obd_memory_add(size); \
662 CDEBUG(D_MALLOC, name " '" #ptr "': %d at %p.\n", \
665 #define OBD_FREE_PRE(ptr, size, name) \
667 obd_memory_sub(size); \
668 CDEBUG(D_MALLOC, name " '" #ptr "': %d at %p.\n", \
670 POISON(ptr, 0x5a, size)
672 #else /* !OBD_DEBUG_MEMUSAGE */
674 #define OBD_ALLOC_POST(ptr, size, name) ((void)0)
675 #define OBD_FREE_PRE(ptr, size, name) ((void)0)
677 #endif /* !OBD_DEBUG_MEMUSAGE */
679 #define __OBD_MALLOC_VERBOSE(ptr, cptab, cpt, size, flags) \
681 (ptr) = (cptab) == NULL ? \
682 kmalloc(size, flags | __GFP_ZERO) : \
683 cfs_cpt_malloc(cptab, cpt, size, flags | __GFP_ZERO); \
684 if (likely((ptr) != NULL)) \
685 OBD_ALLOC_POST(ptr, size, "kmalloced"); \
688 #define OBD_ALLOC_GFP(ptr, size, gfp_mask) \
689 __OBD_MALLOC_VERBOSE(ptr, NULL, 0, size, gfp_mask)
691 #define OBD_ALLOC(ptr, size) OBD_ALLOC_GFP(ptr, size, GFP_NOFS)
692 #define OBD_ALLOC_WAIT(ptr, size) OBD_ALLOC_GFP(ptr, size, GFP_KERNEL)
693 #define OBD_ALLOC_PTR(ptr) OBD_ALLOC(ptr, sizeof *(ptr))
694 #define OBD_ALLOC_PTR_WAIT(ptr) OBD_ALLOC_WAIT(ptr, sizeof *(ptr))
696 #define OBD_CPT_ALLOC_GFP(ptr, cptab, cpt, size, gfp_mask) \
697 __OBD_MALLOC_VERBOSE(ptr, cptab, cpt, size, gfp_mask)
699 #define OBD_CPT_ALLOC(ptr, cptab, cpt, size) \
700 OBD_CPT_ALLOC_GFP(ptr, cptab, cpt, size, GFP_NOFS)
702 #define OBD_CPT_ALLOC_PTR(ptr, cptab, cpt) \
703 OBD_CPT_ALLOC(ptr, cptab, cpt, sizeof *(ptr))
705 /* Direct use of __vmalloc() allows for protection flag specification
706 * (and particularly to not set __GFP_FS, which is likely to cause some
707 * deadlock situations in our code).
709 #define __OBD_VMALLOC_VERBOSE(ptr, cptab, cpt, size) \
711 (ptr) = cptab == NULL ? \
712 __vmalloc(size, GFP_NOFS | __GFP_HIGHMEM | __GFP_ZERO, \
714 cfs_cpt_vzalloc(cptab, cpt, size); \
715 if (unlikely((ptr) == NULL)) { \
716 CERROR("vmalloc of '" #ptr "' (%d bytes) failed\n", \
718 CERROR(LPU64" total bytes allocated by Lustre, %d by LNET\n", \
719 obd_memory_sum(), atomic_read(&libcfs_kmemory)); \
721 OBD_ALLOC_POST(ptr, size, "vmalloced"); \
725 #define OBD_VMALLOC(ptr, size) \
726 __OBD_VMALLOC_VERBOSE(ptr, NULL, 0, size)
727 #define OBD_CPT_VMALLOC(ptr, cptab, cpt, size) \
728 __OBD_VMALLOC_VERBOSE(ptr, cptab, cpt, size)
730 #define OBD_ALLOC_LARGE(ptr, size) \
732 OBD_ALLOC_GFP(ptr, size, GFP_NOFS | __GFP_NOWARN); \
734 OBD_VMALLOC(ptr, size); \
737 #define OBD_CPT_ALLOC_LARGE(ptr, cptab, cpt, size) \
739 OBD_CPT_ALLOC_GFP(ptr, cptab, cpt, size, GFP_NOFS | __GFP_NOWARN); \
741 OBD_CPT_VMALLOC(ptr, cptab, cpt, size); \
744 #define OBD_FREE_LARGE(ptr, size) OBD_FREE(ptr, size)
746 #ifdef CONFIG_DEBUG_SLAB
747 #define POISON(ptr, c, s) do {} while (0)
748 #define POISON_PTR(ptr) ((void)0)
750 #define POISON(ptr, c, s) memset(ptr, c, s)
751 #define POISON_PTR(ptr) (ptr) = (void *)0xdeadbeef
755 #define POISON_PAGE(page, val) do { memset(kmap(page), val, PAGE_CACHE_SIZE); \
756 kunmap(page); } while (0)
758 #define POISON_PAGE(page, val) do { } while (0)
761 #define OBD_FREE(ptr, size) \
763 if (is_vmalloc_addr(ptr)) { \
764 OBD_FREE_PRE(ptr, size, "vfreed"); \
767 OBD_FREE_PRE(ptr, size, "kfreed"); \
773 #define OBD_FREE_RCU(ptr, size, handle) \
775 struct portals_handle *__h = (handle); \
777 LASSERT(handle != NULL); \
778 __h->h_cookie = (unsigned long)(ptr); \
779 __h->h_size = (size); \
780 call_rcu(&__h->h_rcu, class_handle_free_cb); \
784 /* we memset() the slab object to 0 when allocation succeeds, so DO NOT
785 * HAVE A CTOR THAT DOES ANYTHING. its work will be cleared here. we'd
786 * love to assert on that, but slab.c keeps kmem_cache_s all to itself. */
787 #define OBD_SLAB_FREE_RTN0(ptr, slab) \
789 kmem_cache_free((slab), (ptr)); \
794 #define __OBD_SLAB_ALLOC_VERBOSE(ptr, slab, cptab, cpt, size, type) \
796 LASSERT(ergo((type) != GFP_ATOMIC, !in_interrupt())); \
797 (ptr) = (cptab) == NULL ? \
798 kmem_cache_alloc(slab, type | __GFP_ZERO) : \
799 cfs_mem_cache_cpt_alloc(slab, cptab, cpt, type | __GFP_ZERO); \
801 OBD_ALLOC_POST(ptr, size, "slab-alloced"); \
804 #define OBD_SLAB_ALLOC_GFP(ptr, slab, size, flags) \
805 __OBD_SLAB_ALLOC_VERBOSE(ptr, slab, NULL, 0, size, flags)
806 #define OBD_SLAB_CPT_ALLOC_GFP(ptr, slab, cptab, cpt, size, flags) \
807 __OBD_SLAB_ALLOC_VERBOSE(ptr, slab, cptab, cpt, size, flags)
809 #define OBD_FREE_PTR(ptr) OBD_FREE(ptr, sizeof *(ptr))
811 #define OBD_SLAB_FREE(ptr, slab, size) \
813 OBD_FREE_PRE(ptr, size, "slab-freed"); \
814 kmem_cache_free(slab, ptr); \
818 #define OBD_SLAB_ALLOC(ptr, slab, size) \
819 OBD_SLAB_ALLOC_GFP(ptr, slab, size, GFP_NOFS)
821 #define OBD_SLAB_CPT_ALLOC(ptr, slab, cptab, cpt, size) \
822 OBD_SLAB_CPT_ALLOC_GFP(ptr, slab, cptab, cpt, size, GFP_NOFS)
824 #define OBD_SLAB_ALLOC_PTR(ptr, slab) \
825 OBD_SLAB_ALLOC(ptr, slab, sizeof *(ptr))
827 #define OBD_SLAB_CPT_ALLOC_PTR(ptr, slab, cptab, cpt) \
828 OBD_SLAB_CPT_ALLOC(ptr, slab, cptab, cpt, sizeof *(ptr))
830 #define OBD_SLAB_ALLOC_PTR_GFP(ptr, slab, flags) \
831 OBD_SLAB_ALLOC_GFP(ptr, slab, sizeof *(ptr), flags)
833 #define OBD_SLAB_CPT_ALLOC_PTR_GFP(ptr, slab, cptab, cpt, flags) \
834 OBD_SLAB_CPT_ALLOC_GFP(ptr, slab, cptab, cpt, sizeof *(ptr), flags)
836 #define OBD_SLAB_FREE_PTR(ptr, slab) \
837 OBD_SLAB_FREE((ptr), (slab), sizeof *(ptr))
839 #define KEY_IS(str) \
840 (keylen >= (sizeof(str)-1) && memcmp(key, str, (sizeof(str)-1)) == 0)