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.
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;
57 OBD_MEMORY_PAGES_STAT = 1,
61 extern unsigned int obd_debug_peer_on_timeout;
62 extern unsigned int obd_dump_on_timeout;
63 extern unsigned int obd_dump_on_eviction;
64 /* obd_timeout should only be used for recovery, not for
65 networking / disk / timings affected by load (use Adaptive Timeouts) */
66 extern unsigned int obd_timeout; /* seconds */
67 extern unsigned int ldlm_timeout; /* seconds */
68 extern unsigned int obd_timeout_set;
69 extern unsigned int ldlm_timeout_set;
70 extern unsigned int bulk_timeout;
71 extern unsigned int at_min;
72 extern unsigned int at_max;
73 extern unsigned int at_history;
74 extern int at_early_margin;
76 extern unsigned long obd_max_dirty_pages;
77 extern atomic_long_t obd_dirty_pages;
78 extern atomic_long_t obd_dirty_transit_pages;
79 extern unsigned int obd_alloc_fail_rate;
80 extern char obd_jobid_var[];
83 int obd_alloc_fail(const void *ptr, const char *name, const char *type,
84 size_t size, const char *file, int line);
86 /* Some hash init argument constants */
87 #define HASH_POOLS_BKT_BITS 3
88 #define HASH_POOLS_CUR_BITS 3
89 #define HASH_POOLS_MAX_BITS 7
90 #define HASH_UUID_BKT_BITS 5
91 #define HASH_UUID_CUR_BITS 7
92 #define HASH_UUID_MAX_BITS 12
93 #define HASH_NID_BKT_BITS 5
94 #define HASH_NID_CUR_BITS 7
95 #define HASH_NID_MAX_BITS 12
96 #define HASH_NID_STATS_BKT_BITS 5
97 #define HASH_NID_STATS_CUR_BITS 7
98 #define HASH_NID_STATS_MAX_BITS 12
99 #define HASH_LQE_BKT_BITS 5
100 #define HASH_LQE_CUR_BITS 7
101 #define HASH_LQE_MAX_BITS 12
102 #define HASH_CONN_BKT_BITS 5
103 #define HASH_CONN_CUR_BITS 5
104 #define HASH_CONN_MAX_BITS 15
105 #define HASH_EXP_LOCK_BKT_BITS 5
106 #define HASH_EXP_LOCK_CUR_BITS 7
107 #define HASH_EXP_LOCK_MAX_BITS 16
108 #define HASH_CL_ENV_BKT_BITS 5
109 #define HASH_CL_ENV_BITS 10
110 #define HASH_JOB_STATS_BKT_BITS 5
111 #define HASH_JOB_STATS_CUR_BITS 7
112 #define HASH_JOB_STATS_MAX_BITS 12
114 /* Timeout definitions */
115 #define OBD_TIMEOUT_DEFAULT 100
116 #define LDLM_TIMEOUT_DEFAULT 20
117 #define MDS_LDLM_TIMEOUT_DEFAULT 6
118 /* Time to wait for all clients to reconnect during recovery (hard limit) */
119 #define OBD_RECOVERY_TIME_HARD (obd_timeout * 9)
120 /* Time to wait for all clients to reconnect during recovery (soft limit) */
121 /* Should be very conservative; must catch the first reconnect after reboot */
122 #define OBD_RECOVERY_TIME_SOFT (obd_timeout * 3)
123 /* Change recovery-small 26b time if you change this */
124 #define PING_INTERVAL max(obd_timeout / 4, 1U)
125 /* a bit more than maximal journal commit time in seconds */
126 #define PING_INTERVAL_SHORT min(PING_INTERVAL, 7U)
127 /* Client may skip 1 ping; we must wait at least 2.5. But for multiple
128 * failover targets the client only pings one server at a time, and pings
129 * can be lost on a loaded network. Since eviction has serious consequences,
130 * and there's no urgent need to evict a client just because it's idle, we
131 * should be very conservative here. */
132 #define PING_EVICT_TIMEOUT (PING_INTERVAL * 6)
133 #define DISK_TIMEOUT 50 /* Beyond this we warn about disk speed */
134 #define CONNECTION_SWITCH_MIN 5U /* Connection switching rate limiter */
135 /* Max connect interval for nonresponsive servers; ~50s to avoid building up
136 connect requests in the LND queues, but within obd_timeout so we don't
137 miss the recovery window */
138 #define CONNECTION_SWITCH_MAX min(50U, max(CONNECTION_SWITCH_MIN,obd_timeout))
139 #define CONNECTION_SWITCH_INC 5 /* Connection timeout backoff */
140 /* In general this should be low to have quick detection of a system
141 running on a backup server. (If it's too low, import_select_connection
142 will increase the timeout anyhow.) */
143 #define INITIAL_CONNECT_TIMEOUT max(CONNECTION_SWITCH_MIN,obd_timeout/20)
144 /* The max delay between connects is SWITCH_MAX + SWITCH_INC + INITIAL */
145 #define RECONNECT_DELAY_MAX (CONNECTION_SWITCH_MAX + CONNECTION_SWITCH_INC + \
146 INITIAL_CONNECT_TIMEOUT)
147 /* The min time a target should wait for clients to reconnect in recovery */
148 #define OBD_RECOVERY_TIME_MIN (2*RECONNECT_DELAY_MAX)
149 #define OBD_IR_FACTOR_MIN 1
150 #define OBD_IR_FACTOR_MAX 10
151 #define OBD_IR_FACTOR_DEFAULT (OBD_IR_FACTOR_MAX/2)
152 /* default timeout for the MGS to become IR_FULL */
153 #define OBD_IR_MGS_TIMEOUT (4*obd_timeout)
154 #define LONG_UNLINK 300 /* Unlink should happen before now */
157 * Time interval of shrink, if the client is "idle" more than this interval,
158 * then the ll_grant thread will return the requested grant space to filter
160 #define GRANT_SHRINK_INTERVAL 1200/*20 minutes*/
162 #define OBD_FAIL_MDS 0x100
163 #define OBD_FAIL_MDS_HANDLE_UNPACK 0x101
164 #define OBD_FAIL_MDS_GETATTR_NET 0x102
165 #define OBD_FAIL_MDS_GETATTR_PACK 0x103
166 #define OBD_FAIL_MDS_READPAGE_NET 0x104
167 #define OBD_FAIL_MDS_READPAGE_PACK 0x105
168 #define OBD_FAIL_MDS_SENDPAGE 0x106
169 #define OBD_FAIL_MDS_REINT_NET 0x107
170 #define OBD_FAIL_MDS_REINT_UNPACK 0x108
171 #define OBD_FAIL_MDS_REINT_SETATTR 0x109
172 #define OBD_FAIL_MDS_REINT_SETATTR_WRITE 0x10a
173 #define OBD_FAIL_MDS_REINT_CREATE 0x10b
174 #define OBD_FAIL_MDS_REINT_CREATE_WRITE 0x10c
175 #define OBD_FAIL_MDS_REINT_UNLINK 0x10d
176 #define OBD_FAIL_MDS_REINT_UNLINK_WRITE 0x10e
177 #define OBD_FAIL_MDS_REINT_LINK 0x10f
178 #define OBD_FAIL_MDS_REINT_LINK_WRITE 0x110
179 #define OBD_FAIL_MDS_REINT_RENAME 0x111
180 #define OBD_FAIL_MDS_REINT_RENAME_WRITE 0x112
181 #define OBD_FAIL_MDS_OPEN_NET 0x113
182 #define OBD_FAIL_MDS_OPEN_PACK 0x114
183 #define OBD_FAIL_MDS_CLOSE_NET 0x115
184 #define OBD_FAIL_MDS_CLOSE_PACK 0x116
185 #define OBD_FAIL_MDS_CONNECT_NET 0x117
186 #define OBD_FAIL_MDS_CONNECT_PACK 0x118
187 #define OBD_FAIL_MDS_REINT_NET_REP 0x119
188 #define OBD_FAIL_MDS_DISCONNECT_NET 0x11a
189 #define OBD_FAIL_MDS_GETSTATUS_NET 0x11b
190 #define OBD_FAIL_MDS_GETSTATUS_PACK 0x11c
191 #define OBD_FAIL_MDS_STATFS_PACK 0x11d
192 #define OBD_FAIL_MDS_STATFS_NET 0x11e
193 #define OBD_FAIL_MDS_GETATTR_NAME_NET 0x11f
194 #define OBD_FAIL_MDS_PIN_NET 0x120
195 #define OBD_FAIL_MDS_UNPIN_NET 0x121
196 #define OBD_FAIL_MDS_ALL_REPLY_NET 0x122
197 #define OBD_FAIL_MDS_ALL_REQUEST_NET 0x123
198 #define OBD_FAIL_MDS_SYNC_NET 0x124
199 #define OBD_FAIL_MDS_SYNC_PACK 0x125
200 #define OBD_FAIL_MDS_DONE_WRITING_NET 0x126
201 #define OBD_FAIL_MDS_DONE_WRITING_PACK 0x127
202 #define OBD_FAIL_MDS_ALLOC_OBDO 0x128
203 #define OBD_FAIL_MDS_PAUSE_OPEN 0x129
204 #define OBD_FAIL_MDS_STATFS_LCW_SLEEP 0x12a
205 #define OBD_FAIL_MDS_OPEN_CREATE 0x12b
206 #define OBD_FAIL_MDS_OST_SETATTR 0x12c
207 #define OBD_FAIL_MDS_QUOTACHECK_NET 0x12d
208 #define OBD_FAIL_MDS_QUOTACTL_NET 0x12e
209 #define OBD_FAIL_MDS_CLIENT_ADD 0x12f
210 #define OBD_FAIL_MDS_GETXATTR_NET 0x130
211 #define OBD_FAIL_MDS_GETXATTR_PACK 0x131
212 #define OBD_FAIL_MDS_SETXATTR_NET 0x132
213 #define OBD_FAIL_MDS_SETXATTR 0x133
214 #define OBD_FAIL_MDS_SETXATTR_WRITE 0x134
215 #define OBD_FAIL_MDS_FS_SETUP 0x135
216 #define OBD_FAIL_MDS_RESEND 0x136
217 #define OBD_FAIL_MDS_LLOG_CREATE_FAILED 0x137
218 #define OBD_FAIL_MDS_LOV_SYNC_RACE 0x138
219 #define OBD_FAIL_MDS_OSC_PRECREATE 0x139
220 #define OBD_FAIL_MDS_LLOG_SYNC_TIMEOUT 0x13a
221 #define OBD_FAIL_MDS_CLOSE_NET_REP 0x13b
222 #define OBD_FAIL_MDS_BLOCK_QUOTA_REQ 0x13c
223 #define OBD_FAIL_MDS_DROP_QUOTA_REQ 0x13d
224 #define OBD_FAIL_MDS_REMOVE_COMMON_EA 0x13e
225 #define OBD_FAIL_MDS_ALLOW_COMMON_EA_SETTING 0x13f
226 #define OBD_FAIL_MDS_FAIL_LOV_LOG_ADD 0x140
227 #define OBD_FAIL_MDS_LOV_PREP_CREATE 0x141
228 #define OBD_FAIL_MDS_REINT_DELAY 0x142
229 #define OBD_FAIL_MDS_READLINK_EPROTO 0x143
230 #define OBD_FAIL_MDS_OPEN_WAIT_CREATE 0x144
231 #define OBD_FAIL_MDS_PDO_LOCK 0x145
232 #define OBD_FAIL_MDS_PDO_LOCK2 0x146
233 #define OBD_FAIL_MDS_OSC_CREATE_FAIL 0x147
234 #define OBD_FAIL_MDS_NEGATIVE_POSITIVE 0x148
235 #define OBD_FAIL_MDS_HSM_STATE_GET_NET 0x149
236 #define OBD_FAIL_MDS_HSM_STATE_SET_NET 0x14a
237 #define OBD_FAIL_MDS_HSM_PROGRESS_NET 0x14b
238 #define OBD_FAIL_MDS_HSM_REQUEST_NET 0x14c
239 #define OBD_FAIL_MDS_HSM_CT_REGISTER_NET 0x14d
240 #define OBD_FAIL_MDS_HSM_CT_UNREGISTER_NET 0x14e
241 #define OBD_FAIL_MDS_SWAP_LAYOUTS_NET 0x14f
242 #define OBD_FAIL_MDS_HSM_ACTION_NET 0x150
243 #define OBD_FAIL_MDS_CHANGELOG_INIT 0x151
244 #define OBD_FAIL_MDS_HSM_SWAP_LAYOUTS 0x152
245 #define OBD_FAIL_MDS_RENAME 0x153
246 #define OBD_FAIL_MDS_RENAME2 0x154
247 #define OBD_FAIL_MDS_RENAME3 0x155
248 #define OBD_FAIL_MDS_RENAME4 0x156
251 #define OBD_FAIL_MDS_NO_LL_GETATTR 0x170
252 #define OBD_FAIL_MDS_NO_LL_OPEN 0x171
253 #define OBD_FAIL_MDS_LL_BLOCK 0x172
256 #define OBD_FAIL_MDS_IS_SUBDIR_NET 0x180
257 #define OBD_FAIL_MDS_IS_SUBDIR_PACK 0x181
258 #define OBD_FAIL_MDS_SET_INFO_NET 0x182
259 #define OBD_FAIL_MDS_WRITEPAGE_NET 0x183
260 #define OBD_FAIL_MDS_WRITEPAGE_PACK 0x184
261 #define OBD_FAIL_MDS_RECOVERY_ACCEPTS_GAPS 0x185
262 #define OBD_FAIL_MDS_GET_INFO_NET 0x186
263 #define OBD_FAIL_MDS_DQACQ_NET 0x187
266 #define OBD_FAIL_OSD_SCRUB_DELAY 0x190
267 #define OBD_FAIL_OSD_SCRUB_CRASH 0x191
268 #define OBD_FAIL_OSD_SCRUB_FATAL 0x192
269 #define OBD_FAIL_OSD_FID_MAPPING 0x193
270 #define OBD_FAIL_OSD_LMA_INCOMPAT 0x194
271 #define OBD_FAIL_OSD_COMPAT_INVALID_ENTRY 0x195
272 #define OBD_FAIL_OSD_COMPAT_NO_ENTRY 0x196
274 #define OBD_FAIL_OST 0x200
275 #define OBD_FAIL_OST_CONNECT_NET 0x201
276 #define OBD_FAIL_OST_DISCONNECT_NET 0x202
277 #define OBD_FAIL_OST_GET_INFO_NET 0x203
278 #define OBD_FAIL_OST_CREATE_NET 0x204
279 #define OBD_FAIL_OST_DESTROY_NET 0x205
280 #define OBD_FAIL_OST_GETATTR_NET 0x206
281 #define OBD_FAIL_OST_SETATTR_NET 0x207
282 #define OBD_FAIL_OST_OPEN_NET 0x208
283 #define OBD_FAIL_OST_CLOSE_NET 0x209
284 #define OBD_FAIL_OST_BRW_NET 0x20a
285 #define OBD_FAIL_OST_PUNCH_NET 0x20b
286 #define OBD_FAIL_OST_STATFS_NET 0x20c
287 #define OBD_FAIL_OST_HANDLE_UNPACK 0x20d
288 #define OBD_FAIL_OST_BRW_WRITE_BULK 0x20e
289 #define OBD_FAIL_OST_BRW_READ_BULK 0x20f
290 #define OBD_FAIL_OST_SYNC_NET 0x210
291 #define OBD_FAIL_OST_ALL_REPLY_NET 0x211
292 #define OBD_FAIL_OST_ALL_REQUEST_NET 0x212
293 #define OBD_FAIL_OST_LDLM_REPLY_NET 0x213
294 #define OBD_FAIL_OST_BRW_PAUSE_BULK 0x214
295 #define OBD_FAIL_OST_ENOSPC 0x215
296 #define OBD_FAIL_OST_EROFS 0x216
297 #define OBD_FAIL_OST_ENOENT 0x217
298 #define OBD_FAIL_OST_QUOTACHECK_NET 0x218
299 #define OBD_FAIL_OST_QUOTACTL_NET 0x219
300 #define OBD_FAIL_OST_CHECKSUM_RECEIVE 0x21a
301 #define OBD_FAIL_OST_CHECKSUM_SEND 0x21b
302 #define OBD_FAIL_OST_BRW_SIZE 0x21c
303 #define OBD_FAIL_OST_DROP_REQ 0x21d
304 #define OBD_FAIL_OST_SETATTR_CREDITS 0x21e
305 #define OBD_FAIL_OST_HOLD_WRITE_RPC 0x21f
306 #define OBD_FAIL_OST_BRW_WRITE_BULK2 0x220
307 #define OBD_FAIL_OST_LLOG_RECOVERY_TIMEOUT 0x221
308 #define OBD_FAIL_OST_CANCEL_COOKIE_TIMEOUT 0x222
309 #define OBD_FAIL_OST_PAUSE_CREATE 0x223
310 #define OBD_FAIL_OST_BRW_PAUSE_PACK 0x224
311 #define OBD_FAIL_OST_CONNECT_NET2 0x225
312 #define OBD_FAIL_OST_NOMEM 0x226
313 #define OBD_FAIL_OST_BRW_PAUSE_BULK2 0x227
314 #define OBD_FAIL_OST_MAPBLK_ENOSPC 0x228
315 #define OBD_FAIL_OST_ENOINO 0x229
316 #define OBD_FAIL_OST_DQACQ_NET 0x230
317 #define OBD_FAIL_OST_STATFS_EINPROGRESS 0x231
318 #define OBD_FAIL_OST_SET_INFO_NET 0x232
319 #define OBD_FAIL_OST_NODESTROY 0x233
321 #define OBD_FAIL_LDLM 0x300
322 #define OBD_FAIL_LDLM_NAMESPACE_NEW 0x301
323 #define OBD_FAIL_LDLM_ENQUEUE_NET 0x302
324 #define OBD_FAIL_LDLM_CONVERT_NET 0x303
325 #define OBD_FAIL_LDLM_CANCEL_NET 0x304
326 #define OBD_FAIL_LDLM_BL_CALLBACK_NET 0x305
327 #define OBD_FAIL_LDLM_CP_CALLBACK_NET 0x306
328 #define OBD_FAIL_LDLM_GL_CALLBACK_NET 0x307
329 #define OBD_FAIL_LDLM_ENQUEUE_EXTENT_ERR 0x308
330 #define OBD_FAIL_LDLM_ENQUEUE_INTENT_ERR 0x309
331 #define OBD_FAIL_LDLM_CREATE_RESOURCE 0x30a
332 #define OBD_FAIL_LDLM_ENQUEUE_BLOCKED 0x30b
333 #define OBD_FAIL_LDLM_REPLY 0x30c
334 #define OBD_FAIL_LDLM_RECOV_CLIENTS 0x30d
335 #define OBD_FAIL_LDLM_ENQUEUE_OLD_EXPORT 0x30e
336 #define OBD_FAIL_LDLM_GLIMPSE 0x30f
337 #define OBD_FAIL_LDLM_CANCEL_RACE 0x310
338 #define OBD_FAIL_LDLM_CANCEL_EVICT_RACE 0x311
339 #define OBD_FAIL_LDLM_PAUSE_CANCEL 0x312
340 #define OBD_FAIL_LDLM_CLOSE_THREAD 0x313
341 #define OBD_FAIL_LDLM_CANCEL_BL_CB_RACE 0x314
342 #define OBD_FAIL_LDLM_CP_CB_WAIT 0x315
343 #define OBD_FAIL_LDLM_OST_FAIL_RACE 0x316
344 #define OBD_FAIL_LDLM_INTR_CP_AST 0x317
345 #define OBD_FAIL_LDLM_CP_BL_RACE 0x318
346 #define OBD_FAIL_LDLM_NEW_LOCK 0x319
347 #define OBD_FAIL_LDLM_AGL_DELAY 0x31a
348 #define OBD_FAIL_LDLM_AGL_NOLOCK 0x31b
349 #define OBD_FAIL_LDLM_OST_LVB 0x31c
350 #define OBD_FAIL_LDLM_ENQUEUE_HANG 0x31d
351 #define OBD_FAIL_LDLM_PAUSE_CANCEL2 0x31f
352 #define OBD_FAIL_LDLM_CP_CB_WAIT2 0x320
353 #define OBD_FAIL_LDLM_CP_CB_WAIT3 0x321
354 #define OBD_FAIL_LDLM_CP_CB_WAIT4 0x322
355 #define OBD_FAIL_LDLM_CP_CB_WAIT5 0x323
358 #define OBD_FAIL_LDLM_SET_CONTENTION 0x385
360 #define OBD_FAIL_OSC 0x400
361 #define OBD_FAIL_OSC_BRW_READ_BULK 0x401
362 #define OBD_FAIL_OSC_BRW_WRITE_BULK 0x402
363 #define OBD_FAIL_OSC_LOCK_BL_AST 0x403
364 #define OBD_FAIL_OSC_LOCK_CP_AST 0x404
365 #define OBD_FAIL_OSC_MATCH 0x405
366 #define OBD_FAIL_OSC_BRW_PREP_REQ 0x406
367 #define OBD_FAIL_OSC_SHUTDOWN 0x407
368 #define OBD_FAIL_OSC_CHECKSUM_RECEIVE 0x408
369 #define OBD_FAIL_OSC_CHECKSUM_SEND 0x409
370 #define OBD_FAIL_OSC_BRW_PREP_REQ2 0x40a
371 #define OBD_FAIL_OSC_CONNECT_CKSUM 0x40b
372 #define OBD_FAIL_OSC_CKSUM_ADLER_ONLY 0x40c
373 #define OBD_FAIL_OSC_DIO_PAUSE 0x40d
374 #define OBD_FAIL_OSC_OBJECT_CONTENTION 0x40e
375 #define OBD_FAIL_OSC_CP_CANCEL_RACE 0x40f
376 #define OBD_FAIL_OSC_CP_ENQ_RACE 0x410
377 #define OBD_FAIL_OSC_NO_GRANT 0x411
378 #define OBD_FAIL_OSC_DELAY_SETTIME 0x412
380 #define OBD_FAIL_PTLRPC 0x500
381 #define OBD_FAIL_PTLRPC_ACK 0x501
382 #define OBD_FAIL_PTLRPC_RQBD 0x502
383 #define OBD_FAIL_PTLRPC_BULK_GET_NET 0x503
384 #define OBD_FAIL_PTLRPC_BULK_PUT_NET 0x504
385 #define OBD_FAIL_PTLRPC_DROP_RPC 0x505
386 #define OBD_FAIL_PTLRPC_DELAY_SEND 0x506
387 #define OBD_FAIL_PTLRPC_DELAY_RECOV 0x507
388 #define OBD_FAIL_PTLRPC_CLIENT_BULK_CB 0x508
389 #define OBD_FAIL_PTLRPC_PAUSE_REQ 0x50a
390 #define OBD_FAIL_PTLRPC_PAUSE_REP 0x50c
391 #define OBD_FAIL_PTLRPC_IMP_DEACTIVE 0x50d
392 #define OBD_FAIL_PTLRPC_DUMP_LOG 0x50e
393 #define OBD_FAIL_PTLRPC_LONG_REPL_UNLINK 0x50f
394 #define OBD_FAIL_PTLRPC_LONG_BULK_UNLINK 0x510
395 #define OBD_FAIL_PTLRPC_HPREQ_TIMEOUT 0x511
396 #define OBD_FAIL_PTLRPC_HPREQ_NOTIMEOUT 0x512
397 #define OBD_FAIL_PTLRPC_DROP_REQ_OPC 0x513
398 #define OBD_FAIL_PTLRPC_FINISH_REPLAY 0x514
399 #define OBD_FAIL_PTLRPC_CLIENT_BULK_CB2 0x515
400 #define OBD_FAIL_PTLRPC_DELAY_IMP_FULL 0x516
401 #define OBD_FAIL_PTLRPC_CANCEL_RESEND 0x517
403 #define OBD_FAIL_OBD_PING_NET 0x600
404 #define OBD_FAIL_OBD_LOG_CANCEL_NET 0x601
405 #define OBD_FAIL_OBD_LOGD_NET 0x602
406 #define OBD_FAIL_OBD_QC_CALLBACK_NET 0x603
407 #define OBD_FAIL_OBD_DQACQ 0x604
408 #define OBD_FAIL_OBD_LLOG_SETUP 0x605
409 #define OBD_FAIL_OBD_LOG_CANCEL_REP 0x606
410 #define OBD_FAIL_OBD_IDX_READ_NET 0x607
411 #define OBD_FAIL_OBD_IDX_READ_BREAK 0x608
412 #define OBD_FAIL_OBD_NO_LRU 0x609
414 #define OBD_FAIL_TGT_REPLY_NET 0x700
415 #define OBD_FAIL_TGT_CONN_RACE 0x701
416 #define OBD_FAIL_TGT_FORCE_RECONNECT 0x702
417 #define OBD_FAIL_TGT_DELAY_CONNECT 0x703
418 #define OBD_FAIL_TGT_DELAY_RECONNECT 0x704
419 #define OBD_FAIL_TGT_DELAY_PRECREATE 0x705
420 #define OBD_FAIL_TGT_TOOMANY_THREADS 0x706
421 #define OBD_FAIL_TGT_REPLAY_DROP 0x707
422 #define OBD_FAIL_TGT_FAKE_EXP 0x708
423 #define OBD_FAIL_TGT_REPLAY_DELAY 0x709
424 #define OBD_FAIL_TGT_LAST_REPLAY 0x710
425 #define OBD_FAIL_TGT_CLIENT_ADD 0x711
426 #define OBD_FAIL_TGT_RCVG_FLAG 0x712
427 #define OBD_FAIL_TGT_DELAY_CONDITIONAL 0x713
428 #define OBD_FAIL_TGT_REPLAY_DELAY2 0x714
430 #define OBD_FAIL_MDC_REVALIDATE_PAUSE 0x800
431 #define OBD_FAIL_MDC_ENQUEUE_PAUSE 0x801
432 #define OBD_FAIL_MDC_OLD_EXT_FLAGS 0x802
433 #define OBD_FAIL_MDC_GETATTR_ENQUEUE 0x803
434 #define OBD_FAIL_MDC_RPCS_SEM 0x804
435 #define OBD_FAIL_MDC_LIGHTWEIGHT 0x805
437 #define OBD_FAIL_MGS 0x900
438 #define OBD_FAIL_MGS_ALL_REQUEST_NET 0x901
439 #define OBD_FAIL_MGS_ALL_REPLY_NET 0x902
440 #define OBD_FAIL_MGC_PAUSE_PROCESS_LOG 0x903
441 #define OBD_FAIL_MGS_PAUSE_REQ 0x904
442 #define OBD_FAIL_MGS_PAUSE_TARGET_REG 0x905
443 #define OBD_FAIL_MGS_CONNECT_NET 0x906
444 #define OBD_FAIL_MGS_DISCONNECT_NET 0x907
445 #define OBD_FAIL_MGS_SET_INFO_NET 0x908
446 #define OBD_FAIL_MGS_EXCEPTION_NET 0x909
447 #define OBD_FAIL_MGS_TARGET_REG_NET 0x90a
448 #define OBD_FAIL_MGS_TARGET_DEL_NET 0x90b
449 #define OBD_FAIL_MGS_CONFIG_READ_NET 0x90c
451 #define OBD_FAIL_QUOTA_DQACQ_NET 0xA01
452 #define OBD_FAIL_QUOTA_EDQUOT 0xA02
453 #define OBD_FAIL_QUOTA_DELAY_REINT 0xA03
454 #define OBD_FAIL_QUOTA_RECOVERABLE_ERR 0xA04
456 #define OBD_FAIL_LPROC_REMOVE 0xB00
458 #define OBD_FAIL_GENERAL_ALLOC 0xC00
460 #define OBD_FAIL_SEQ 0x1000
461 #define OBD_FAIL_SEQ_QUERY_NET 0x1001
462 #define OBD_FAIL_SEQ_EXHAUST 0x1002
464 #define OBD_FAIL_FLD 0x1100
465 #define OBD_FAIL_FLD_QUERY_NET 0x1101
466 #define OBD_FAIL_FLD_READ_NET 0x1102
468 #define OBD_FAIL_SEC_CTX 0x1200
469 #define OBD_FAIL_SEC_CTX_INIT_NET 0x1201
470 #define OBD_FAIL_SEC_CTX_INIT_CONT_NET 0x1202
471 #define OBD_FAIL_SEC_CTX_FINI_NET 0x1203
472 #define OBD_FAIL_SEC_CTX_HDL_PAUSE 0x1204
474 #define OBD_FAIL_LLOG 0x1300
475 #define OBD_FAIL_LLOG_ORIGIN_CONNECT_NET 0x1301
476 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_CREATE_NET 0x1302
477 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_DESTROY_NET 0x1303
478 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_READ_HEADER_NET 0x1304
479 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_NEXT_BLOCK_NET 0x1305
480 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_PREV_BLOCK_NET 0x1306
481 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_WRITE_REC_NET 0x1307
482 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_CLOSE_NET 0x1308
483 #define OBD_FAIL_LLOG_CATINFO_NET 0x1309
484 #define OBD_FAIL_MDS_SYNC_CAPA_SL 0x1310
485 #define OBD_FAIL_SEQ_ALLOC 0x1311
487 #define OBD_FAIL_LLITE 0x1400
488 #define OBD_FAIL_LLITE_FAULT_TRUNC_RACE 0x1401
489 #define OBD_FAIL_LOCK_STATE_WAIT_INTR 0x1402
490 #define OBD_FAIL_LOV_INIT 0x1403
491 #define OBD_FAIL_GLIMPSE_DELAY 0x1404
492 #define OBD_FAIL_LLITE_XATTR_ENOMEM 0x1405
494 #define OBD_FAIL_FID_INDIR 0x1501
495 #define OBD_FAIL_FID_INLMA 0x1502
496 #define OBD_FAIL_FID_IGIF 0x1504
497 #define OBD_FAIL_FID_LOOKUP 0x1505
498 #define OBD_FAIL_FID_NOLMA 0x1506
501 #define OBD_FAIL_LFSCK_DELAY1 0x1600
502 #define OBD_FAIL_LFSCK_DELAY2 0x1601
503 #define OBD_FAIL_LFSCK_DELAY3 0x1602
504 #define OBD_FAIL_LFSCK_LINKEA_CRASH 0x1603
505 #define OBD_FAIL_LFSCK_LINKEA_MORE 0x1604
506 #define OBD_FAIL_LFSCK_LINKEA_MORE2 0x1605
507 #define OBD_FAIL_LFSCK_FATAL1 0x1608
508 #define OBD_FAIL_LFSCK_FATAL2 0x1609
509 #define OBD_FAIL_LFSCK_CRASH 0x160a
510 #define OBD_FAIL_LFSCK_NO_AUTO 0x160b
511 #define OBD_FAIL_LFSCK_NO_DOUBLESCAN 0x160c
512 #define OBD_FAIL_LFSCK_SKIP_LASTID 0x160d
513 #define OBD_FAIL_LFSCK_DELAY4 0x160e
514 #define OBD_FAIL_LFSCK_BAD_LMMOI 0x160f
515 #define OBD_FAIL_LFSCK_DANGLING 0x1610
516 #define OBD_FAIL_LFSCK_UNMATCHED_PAIR1 0x1611
517 #define OBD_FAIL_LFSCK_UNMATCHED_PAIR2 0x1612
518 #define OBD_FAIL_LFSCK_BAD_OWNER 0x1613
519 #define OBD_FAIL_LFSCK_MULTIPLE_REF 0x1614
520 #define OBD_FAIL_LFSCK_LOST_STRIPE 0x1615
521 #define OBD_FAIL_LFSCK_LOST_MDTOBJ 0x1616
522 #define OBD_FAIL_LFSCK_NOPFID 0x1617
523 #define OBD_FAIL_LFSCK_CHANGE_STRIPE 0x1618
524 #define OBD_FAIL_LFSCK_INVALID_PFID 0x1619
525 #define OBD_FAIL_LFSCK_LOST_SPEOBJ 0x161a
526 #define OBD_FAIL_LFSCK_DELAY5 0x161b
527 #define OBD_FAIL_LFSCK_BAD_NETWORK 0x161c
528 #define OBD_FAIL_LFSCK_NO_LINKEA 0x161d
529 #define OBD_FAIL_LFSCK_BAD_PARENT 0x161e
530 #define OBD_FAIL_LFSCK_BAD_PARENT2 0x161f
531 #define OBD_FAIL_LFSCK_DANGLING2 0x1620
532 #define OBD_FAIL_LFSCK_DANGLING3 0x1621
533 #define OBD_FAIL_LFSCK_MUL_REF 0x1622
534 #define OBD_FAIL_LFSCK_BAD_TYPE 0x1623
535 #define OBD_FAIL_LFSCK_NO_NAMEENTRY 0x1624
536 #define OBD_FAIL_LFSCK_MORE_NLINK 0x1625
537 #define OBD_FAIL_LFSCK_LESS_NLINK 0x1626
538 #define OBD_FAIL_LFSCK_LINKEA_OVERFLOW 0x1627
540 #define OBD_FAIL_LFSCK_NOTIFY_NET 0x16f0
541 #define OBD_FAIL_LFSCK_QUERY_NET 0x16f1
544 #define OBD_FAIL_OUT_UPDATE_NET 0x1700
545 #define OBD_FAIL_OUT_UPDATE_NET_REP 0x1701
548 #define OBD_FAIL_MIGRATE_NET_REP 0x1800
549 #define OBD_FAIL_MIGRATE_ENTRIES 0x1801
550 #define OBD_FAIL_MIGRATE_LINKEA 0x1802
553 #define OBD_FAIL_UNKNOWN_LMV_STRIPE 0x1901
556 #define OBD_FAIL_DT_DECLARE_ATTR_GET 0x2000
557 #define OBD_FAIL_DT_ATTR_GET 0x2001
558 #define OBD_FAIL_DT_DECLARE_ATTR_SET 0x2002
559 #define OBD_FAIL_DT_ATTR_SET 0x2003
560 #define OBD_FAIL_DT_DECLARE_XATTR_GET 0x2004
561 #define OBD_FAIL_DT_XATTR_GET 0x2005
562 #define OBD_FAIL_DT_DECLARE_XATTR_SET 0x2006
563 #define OBD_FAIL_DT_XATTR_SET 0x2007
564 #define OBD_FAIL_DT_DECLARE_XATTR_DEL 0x2008
565 #define OBD_FAIL_DT_XATTR_DEL 0x2009
566 #define OBD_FAIL_DT_XATTR_LIST 0x200a
567 #define OBD_FAIL_DT_DECLARE_CREATE 0x200b
568 #define OBD_FAIL_DT_CREATE 0x200c
569 #define OBD_FAIL_DT_DECLARE_DESTROY 0x200d
570 #define OBD_FAIL_DT_DESTROY 0x200e
571 #define OBD_FAIL_DT_INDEX_TRY 0x200f
572 #define OBD_FAIL_DT_DECLARE_REF_ADD 0x2010
573 #define OBD_FAIL_DT_REF_ADD 0x2011
574 #define OBD_FAIL_DT_DECLARE_REF_DEL 0x2012
575 #define OBD_FAIL_DT_REF_DEL 0x2013
576 #define OBD_FAIL_DT_DECLARE_INSERT 0x2014
577 #define OBD_FAIL_DT_INSERT 0x2015
578 #define OBD_FAIL_DT_DECLARE_DELETE 0x2016
579 #define OBD_FAIL_DT_DELETE 0x2017
580 #define OBD_FAIL_DT_LOOKUP 0x2018
582 /* Assign references to moved code to reduce code changes */
583 #define OBD_FAIL_PRECHECK(id) CFS_FAIL_PRECHECK(id)
584 #define OBD_FAIL_CHECK(id) CFS_FAIL_CHECK(id)
585 #define OBD_FAIL_CHECK_VALUE(id, value) CFS_FAIL_CHECK_VALUE(id, value)
586 #define OBD_FAIL_CHECK_ORSET(id, value) CFS_FAIL_CHECK_ORSET(id, value)
587 #define OBD_FAIL_CHECK_RESET(id, value) CFS_FAIL_CHECK_RESET(id, value)
588 #define OBD_FAIL_RETURN(id, ret) CFS_FAIL_RETURN(id, ret)
589 #define OBD_FAIL_TIMEOUT(id, secs) CFS_FAIL_TIMEOUT(id, secs)
590 #define OBD_FAIL_TIMEOUT_MS(id, ms) CFS_FAIL_TIMEOUT_MS(id, ms)
591 #define OBD_FAIL_TIMEOUT_ORSET(id, value, secs) CFS_FAIL_TIMEOUT_ORSET(id, value, secs)
592 #define OBD_RACE(id) CFS_RACE(id)
593 #define OBD_FAIL_ONCE CFS_FAIL_ONCE
594 #define OBD_FAILED CFS_FAILED
596 extern atomic_t libcfs_kmemory;
599 #define obd_memory_add(size) \
600 lprocfs_counter_add(obd_memory, OBD_MEMORY_STAT, (long)(size))
601 #define obd_memory_sub(size) \
602 lprocfs_counter_sub(obd_memory, OBD_MEMORY_STAT, (long)(size))
603 #define obd_memory_sum() \
604 lprocfs_stats_collector(obd_memory, OBD_MEMORY_STAT, \
605 LPROCFS_FIELDS_FLAGS_SUM)
606 #define obd_pages_add(order) \
607 lprocfs_counter_add(obd_memory, OBD_MEMORY_PAGES_STAT, \
608 (long)(1 << (order)))
609 #define obd_pages_sub(order) \
610 lprocfs_counter_sub(obd_memory, OBD_MEMORY_PAGES_STAT, \
611 (long)(1 << (order)))
612 #define obd_pages_sum() \
613 lprocfs_stats_collector(obd_memory, OBD_MEMORY_PAGES_STAT, \
614 LPROCFS_FIELDS_FLAGS_SUM)
616 extern void obd_update_maxusage(void);
617 extern __u64 obd_memory_max(void);
618 extern __u64 obd_pages_max(void);
622 extern __u64 obd_alloc;
623 extern __u64 obd_pages;
625 extern __u64 obd_max_alloc;
626 extern __u64 obd_max_pages;
628 static inline void obd_memory_add(long size)
631 if (obd_alloc > obd_max_alloc)
632 obd_max_alloc = obd_alloc;
635 static inline void obd_memory_sub(long size)
640 static inline void obd_pages_add(int order)
642 obd_pages += 1<< order;
643 if (obd_pages > obd_max_pages)
644 obd_max_pages = obd_pages;
647 static inline void obd_pages_sub(int order)
649 obd_pages -= 1<< order;
652 #define obd_memory_sum() (obd_alloc)
653 #define obd_pages_sum() (obd_pages)
655 #define obd_memory_max() (obd_max_alloc)
656 #define obd_pages_max() (obd_max_pages)
658 #endif /* !LPROCFS */
660 #define OBD_DEBUG_MEMUSAGE (1)
662 #if OBD_DEBUG_MEMUSAGE
663 #define OBD_ALLOC_POST(ptr, size, name) \
664 obd_memory_add(size); \
665 CDEBUG(D_MALLOC, name " '" #ptr "': %d at %p.\n", \
668 #define OBD_FREE_PRE(ptr, size, name) \
670 obd_memory_sub(size); \
671 CDEBUG(D_MALLOC, name " '" #ptr "': %d at %p.\n", \
673 POISON(ptr, 0x5a, size)
675 #else /* !OBD_DEBUG_MEMUSAGE */
677 #define OBD_ALLOC_POST(ptr, size, name) ((void)0)
678 #define OBD_FREE_PRE(ptr, size, name) ((void)0)
680 #endif /* !OBD_DEBUG_MEMUSAGE */
682 #ifdef RANDOM_FAIL_ALLOC
683 #define HAS_FAIL_ALLOC_FLAG OBD_FAIL_CHECK(OBD_FAIL_GENERAL_ALLOC)
685 #define HAS_FAIL_ALLOC_FLAG 0
688 #define OBD_ALLOC_FAIL_BITS 24
689 #define OBD_ALLOC_FAIL_MASK ((1 << OBD_ALLOC_FAIL_BITS) - 1)
690 #define OBD_ALLOC_FAIL_MULT (OBD_ALLOC_FAIL_MASK / 100)
692 #define OBD_FREE_RTN0(ptr) \
699 #define __OBD_MALLOC_VERBOSE(ptr, cptab, cpt, size, flags) \
701 (ptr) = (cptab) == NULL ? \
702 kmalloc(size, flags | __GFP_ZERO) : \
703 cfs_cpt_malloc(cptab, cpt, size, flags | __GFP_ZERO); \
704 if (likely((ptr) != NULL && \
705 (!HAS_FAIL_ALLOC_FLAG || obd_alloc_fail_rate == 0 || \
706 !obd_alloc_fail(ptr, #ptr, "km", size, \
707 __FILE__, __LINE__) || \
708 OBD_FREE_RTN0(ptr)))){ \
709 OBD_ALLOC_POST(ptr, size, "kmalloced"); \
713 #define OBD_ALLOC_GFP(ptr, size, gfp_mask) \
714 __OBD_MALLOC_VERBOSE(ptr, NULL, 0, size, gfp_mask)
716 #define OBD_ALLOC(ptr, size) OBD_ALLOC_GFP(ptr, size, GFP_NOFS)
717 #define OBD_ALLOC_WAIT(ptr, size) OBD_ALLOC_GFP(ptr, size, GFP_KERNEL)
718 #define OBD_ALLOC_PTR(ptr) OBD_ALLOC(ptr, sizeof *(ptr))
719 #define OBD_ALLOC_PTR_WAIT(ptr) OBD_ALLOC_WAIT(ptr, sizeof *(ptr))
721 #define OBD_CPT_ALLOC_GFP(ptr, cptab, cpt, size, gfp_mask) \
722 __OBD_MALLOC_VERBOSE(ptr, cptab, cpt, size, gfp_mask)
724 #define OBD_CPT_ALLOC(ptr, cptab, cpt, size) \
725 OBD_CPT_ALLOC_GFP(ptr, cptab, cpt, size, GFP_NOFS)
727 #define OBD_CPT_ALLOC_PTR(ptr, cptab, cpt) \
728 OBD_CPT_ALLOC(ptr, cptab, cpt, sizeof *(ptr))
730 /* Direct use of __vmalloc() allows for protection flag specification
731 * (and particularly to not set __GFP_FS, which is likely to cause some
732 * deadlock situations in our code).
734 #define __OBD_VMALLOC_VERBOSE(ptr, cptab, cpt, size) \
736 (ptr) = cptab == NULL ? \
737 __vmalloc(size, GFP_NOFS | __GFP_HIGHMEM | __GFP_ZERO, \
739 cfs_cpt_vzalloc(cptab, cpt, size); \
740 if (unlikely((ptr) == NULL)) { \
741 CERROR("vmalloc of '" #ptr "' (%d bytes) failed\n", \
743 CERROR(LPU64" total bytes allocated by Lustre, %d by LNET\n", \
744 obd_memory_sum(), atomic_read(&libcfs_kmemory)); \
746 OBD_ALLOC_POST(ptr, size, "vmalloced"); \
750 #define OBD_VMALLOC(ptr, size) \
751 __OBD_VMALLOC_VERBOSE(ptr, NULL, 0, size)
752 #define OBD_CPT_VMALLOC(ptr, cptab, cpt, size) \
753 __OBD_VMALLOC_VERBOSE(ptr, cptab, cpt, size)
755 /* Allocations above this size are considered too big and could not be done
758 * Be very careful when changing this value, especially when decreasing it,
759 * since vmalloc in Linux doesn't perform well on multi-cores system, calling
760 * vmalloc in critical path would hurt peformance badly. See LU-66.
762 #define OBD_ALLOC_BIG (4 * PAGE_CACHE_SIZE)
764 #define OBD_ALLOC_LARGE(ptr, size) \
766 if (size > OBD_ALLOC_BIG) \
767 OBD_VMALLOC(ptr, size); \
769 OBD_ALLOC(ptr, size); \
772 #define OBD_CPT_ALLOC_LARGE(ptr, cptab, cpt, size) \
774 if (size > OBD_ALLOC_BIG) \
775 OBD_CPT_VMALLOC(ptr, cptab, cpt, size); \
777 OBD_CPT_ALLOC(ptr, cptab, cpt, size); \
780 #define OBD_FREE_LARGE(ptr, size) \
782 if (size > OBD_ALLOC_BIG) \
783 OBD_VFREE(ptr, size); \
785 OBD_FREE(ptr, size); \
788 #ifdef CONFIG_DEBUG_SLAB
789 #define POISON(ptr, c, s) do {} while (0)
790 #define POISON_PTR(ptr) ((void)0)
792 #define POISON(ptr, c, s) memset(ptr, c, s)
793 #define POISON_PTR(ptr) (ptr) = (void *)0xdeadbeef
797 #define POISON_PAGE(page, val) do { memset(kmap(page), val, PAGE_CACHE_SIZE); \
798 kunmap(page); } while (0)
800 #define POISON_PAGE(page, val) do { } while (0)
803 #define OBD_FREE(ptr, size) \
805 OBD_FREE_PRE(ptr, size, "kfreed"); \
811 #define OBD_FREE_RCU(ptr, size, handle) \
813 struct portals_handle *__h = (handle); \
815 LASSERT(handle != NULL); \
816 __h->h_cookie = (unsigned long)(ptr); \
817 __h->h_size = (size); \
818 call_rcu(&__h->h_rcu, class_handle_free_cb); \
822 #define OBD_VFREE(ptr, size) \
824 OBD_FREE_PRE(ptr, size, "vfreed"); \
829 /* we memset() the slab object to 0 when allocation succeeds, so DO NOT
830 * HAVE A CTOR THAT DOES ANYTHING. its work will be cleared here. we'd
831 * love to assert on that, but slab.c keeps kmem_cache_s all to itself. */
832 #define OBD_SLAB_FREE_RTN0(ptr, slab) \
834 kmem_cache_free((slab), (ptr)); \
839 #define __OBD_SLAB_ALLOC_VERBOSE(ptr, slab, cptab, cpt, size, type) \
841 LASSERT(ergo((type) != GFP_ATOMIC, !in_interrupt())); \
842 (ptr) = (cptab) == NULL ? \
843 kmem_cache_alloc(slab, type | __GFP_ZERO) : \
844 cfs_mem_cache_cpt_alloc(slab, cptab, cpt, type | __GFP_ZERO); \
845 if (likely((ptr) != NULL && \
846 (!HAS_FAIL_ALLOC_FLAG || obd_alloc_fail_rate == 0 || \
847 !obd_alloc_fail(ptr, #ptr, "slab-", size, \
848 __FILE__, __LINE__) || \
849 OBD_SLAB_FREE_RTN0(ptr, slab)))) { \
850 OBD_ALLOC_POST(ptr, size, "slab-alloced"); \
854 #define OBD_SLAB_ALLOC_GFP(ptr, slab, size, flags) \
855 __OBD_SLAB_ALLOC_VERBOSE(ptr, slab, NULL, 0, size, flags)
856 #define OBD_SLAB_CPT_ALLOC_GFP(ptr, slab, cptab, cpt, size, flags) \
857 __OBD_SLAB_ALLOC_VERBOSE(ptr, slab, cptab, cpt, size, flags)
859 #define OBD_FREE_PTR(ptr) OBD_FREE(ptr, sizeof *(ptr))
861 #define OBD_SLAB_FREE(ptr, slab, size) \
863 OBD_FREE_PRE(ptr, size, "slab-freed"); \
864 kmem_cache_free(slab, ptr); \
868 #define OBD_SLAB_ALLOC(ptr, slab, size) \
869 OBD_SLAB_ALLOC_GFP(ptr, slab, size, GFP_NOFS)
871 #define OBD_SLAB_CPT_ALLOC(ptr, slab, cptab, cpt, size) \
872 OBD_SLAB_CPT_ALLOC_GFP(ptr, slab, cptab, cpt, size, GFP_NOFS)
874 #define OBD_SLAB_ALLOC_PTR(ptr, slab) \
875 OBD_SLAB_ALLOC(ptr, slab, sizeof *(ptr))
877 #define OBD_SLAB_CPT_ALLOC_PTR(ptr, slab, cptab, cpt) \
878 OBD_SLAB_CPT_ALLOC(ptr, slab, cptab, cpt, sizeof *(ptr))
880 #define OBD_SLAB_ALLOC_PTR_GFP(ptr, slab, flags) \
881 OBD_SLAB_ALLOC_GFP(ptr, slab, sizeof *(ptr), flags)
883 #define OBD_SLAB_CPT_ALLOC_PTR_GFP(ptr, slab, cptab, cpt, flags) \
884 OBD_SLAB_CPT_ALLOC_GFP(ptr, slab, cptab, cpt, sizeof *(ptr), flags)
886 #define OBD_SLAB_FREE_PTR(ptr, slab) \
887 OBD_SLAB_FREE((ptr), (slab), sizeof *(ptr))
889 #define KEY_IS(str) \
890 (keylen >= (sizeof(str)-1) && memcmp(key, str, (sizeof(str)-1)) == 0)
892 /* Wrapper for contiguous page frame allocation */
893 #define __OBD_PAGE_ALLOC_VERBOSE(ptr, cptab, cpt, gfp_mask) \
895 (ptr) = (cptab) == NULL ? \
896 alloc_page(gfp_mask) : \
897 cfs_page_cpt_alloc(cptab, cpt, gfp_mask); \
898 if (unlikely((ptr) == NULL)) { \
899 CERROR("alloc_pages of '" #ptr "' %d page(s) / "LPU64" bytes "\
900 "failed\n", (int)1, \
901 (__u64)(1 << PAGE_CACHE_SHIFT)); \
902 CERROR(LPU64" total bytes and "LPU64" total pages " \
903 "("LPU64" bytes) allocated by Lustre, " \
904 "%d total bytes by LNET\n", \
906 obd_pages_sum() << PAGE_CACHE_SHIFT, \
908 atomic_read(&libcfs_kmemory)); \
911 CDEBUG(D_MALLOC, "alloc_pages '" #ptr "': %d page(s) / " \
912 LPU64" bytes at %p.\n", \
914 (__u64)(1 << PAGE_CACHE_SHIFT), ptr); \
918 #define OBD_PAGE_ALLOC(ptr, gfp_mask) \
919 __OBD_PAGE_ALLOC_VERBOSE(ptr, NULL, 0, gfp_mask)
920 #define OBD_PAGE_CPT_ALLOC(ptr, cptab, cpt, gfp_mask) \
921 __OBD_PAGE_ALLOC_VERBOSE(ptr, cptab, cpt, gfp_mask)
923 #define OBD_PAGE_FREE(ptr) \
927 CDEBUG(D_MALLOC, "free_pages '" #ptr "': %d page(s) / "LPU64" bytes " \
929 (int)1, (__u64)(1 << PAGE_CACHE_SHIFT), \
932 (ptr) = (void *)0xdeadbeef; \
git://git.whamcloud.com / fs / lustre-release.git / blob