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.gnu.org/licenses/gpl-2.0.html
23 * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
24 * Use is subject to license terms.
26 * Copyright (c) 2011, 2017, Intel Corporation.
29 * This file is part of Lustre, http://www.lustre.org/
30 * Lustre is a trademark of Sun Microsystems, Inc.
36 #include <linux/atomic.h>
37 #include <linux/ctype.h>
38 #include <linux/highmem.h>
39 #include <linux/slab.h>
40 #include <linux/types.h>
42 #include <libcfs/libcfs.h>
43 #include <lprocfs_status.h>
44 #include <lustre_handles.h>
46 /* global variables */
47 extern struct lprocfs_stats *obd_memory;
53 extern unsigned int obd_debug_peer_on_timeout;
54 extern unsigned int obd_dump_on_timeout;
55 extern unsigned int obd_dump_on_eviction;
56 /* obd_timeout should only be used for recovery, not for
57 networking / disk / timings affected by load (use Adaptive Timeouts) */
58 extern unsigned int obd_timeout; /* seconds */
59 extern unsigned int ldlm_timeout; /* seconds */
60 extern unsigned int obd_timeout_set;
61 extern unsigned int ldlm_timeout_set;
62 extern unsigned int bulk_timeout;
63 extern unsigned int at_min;
64 extern unsigned int at_max;
65 extern unsigned int at_history;
66 extern int at_early_margin;
68 extern unsigned long obd_max_dirty_pages;
69 extern atomic_long_t obd_dirty_pages;
70 extern atomic_long_t obd_dirty_transit_pages;
71 extern char obd_jobid_var[];
73 /* Some hash init argument constants */
74 #define HASH_POOLS_BKT_BITS 3
75 #define HASH_POOLS_CUR_BITS 3
76 #define HASH_POOLS_MAX_BITS 7
77 #define HASH_UUID_BKT_BITS 5
78 #define HASH_UUID_CUR_BITS 7
79 #define HASH_UUID_MAX_BITS 12
80 #define HASH_NID_BKT_BITS 5
81 #define HASH_NID_CUR_BITS 7
82 #define HASH_NID_MAX_BITS 12
83 #define HASH_NID_STATS_BKT_BITS 5
84 #define HASH_NID_STATS_CUR_BITS 7
85 #define HASH_NID_STATS_MAX_BITS 12
86 #define HASH_GEN_BKT_BITS 5
87 #define HASH_GEN_CUR_BITS 7
88 #define HASH_GEN_MAX_BITS 12
89 #define HASH_LQE_BKT_BITS 5
90 #define HASH_LQE_CUR_BITS 7
91 #define HASH_LQE_MAX_BITS 12
92 #define HASH_CONN_BKT_BITS 5
93 #define HASH_CONN_CUR_BITS 5
94 #define HASH_CONN_MAX_BITS 15
95 #define HASH_EXP_LOCK_BKT_BITS 5
96 #define HASH_EXP_LOCK_CUR_BITS 7
97 #define HASH_EXP_LOCK_MAX_BITS 16
98 #define HASH_CL_ENV_BKT_BITS 5
99 #define HASH_CL_ENV_BITS 10
100 #define HASH_JOB_STATS_BKT_BITS 5
101 #define HASH_JOB_STATS_CUR_BITS 7
102 #define HASH_JOB_STATS_MAX_BITS 12
104 /* Timeout definitions */
105 #define OBD_TIMEOUT_DEFAULT 100
106 #define LDLM_TIMEOUT_DEFAULT 20
107 #define MDS_LDLM_TIMEOUT_DEFAULT 6
108 /* Time to wait for all clients to reconnect during recovery (hard limit) */
109 #define OBD_RECOVERY_TIME_HARD (obd_timeout * 9)
110 /* Time to wait for all clients to reconnect during recovery (soft limit) */
111 /* Should be very conservative; must catch the first reconnect after reboot */
112 #define OBD_RECOVERY_TIME_SOFT (obd_timeout * 3)
113 /* Change recovery-small 26b time if you change this */
114 #define PING_INTERVAL max(obd_timeout / 4, 1U)
115 /* a bit more than maximal journal commit time in seconds */
116 #define PING_INTERVAL_SHORT min(PING_INTERVAL, 7U)
117 /* Client may skip 1 ping; we must wait at least 2.5. But for multiple
118 * failover targets the client only pings one server at a time, and pings
119 * can be lost on a loaded network. Since eviction has serious consequences,
120 * and there's no urgent need to evict a client just because it's idle, we
121 * should be very conservative here. */
122 #define PING_EVICT_TIMEOUT (PING_INTERVAL * 6)
123 #define DISK_TIMEOUT 50 /* Beyond this we warn about disk speed */
124 #define CONNECTION_SWITCH_MIN 5U /* Connection switching rate limiter */
125 /* Max connect interval for nonresponsive servers; ~50s to avoid building up
126 connect requests in the LND queues, but within obd_timeout so we don't
127 miss the recovery window */
128 #define CONNECTION_SWITCH_MAX min(50U, max(CONNECTION_SWITCH_MIN,obd_timeout))
129 #define CONNECTION_SWITCH_INC 5 /* Connection timeout backoff */
130 /* In general this should be low to have quick detection of a system
131 running on a backup server. (If it's too low, import_select_connection
132 will increase the timeout anyhow.) */
133 #define INITIAL_CONNECT_TIMEOUT max(CONNECTION_SWITCH_MIN,obd_timeout/20)
134 /* The max delay between connects is SWITCH_MAX + SWITCH_INC + INITIAL */
135 #define RECONNECT_DELAY_MAX (CONNECTION_SWITCH_MAX + CONNECTION_SWITCH_INC + \
136 INITIAL_CONNECT_TIMEOUT)
137 /* The min time a target should wait for clients to reconnect in recovery */
138 #define OBD_RECOVERY_TIME_MIN (2*RECONNECT_DELAY_MAX)
139 #define OBD_IR_FACTOR_MIN 1
140 #define OBD_IR_FACTOR_MAX 10
141 #define OBD_IR_FACTOR_DEFAULT (OBD_IR_FACTOR_MAX/2)
142 /* default timeout for the MGS to become IR_FULL */
143 #define OBD_IR_MGS_TIMEOUT (4*obd_timeout)
144 #define LONG_UNLINK 300 /* Unlink should happen before now */
147 * Time interval of shrink, if the client is "idle" more than this interval,
148 * then the ll_grant thread will return the requested grant space to filter
150 #define GRANT_SHRINK_INTERVAL 1200/*20 minutes*/
152 #define OBD_FAIL_MDS 0x100
153 #define OBD_FAIL_MDS_HANDLE_UNPACK 0x101
154 #define OBD_FAIL_MDS_GETATTR_NET 0x102
155 #define OBD_FAIL_MDS_GETATTR_PACK 0x103
156 #define OBD_FAIL_MDS_READPAGE_NET 0x104
157 #define OBD_FAIL_MDS_READPAGE_PACK 0x105
158 #define OBD_FAIL_MDS_SENDPAGE 0x106
159 #define OBD_FAIL_MDS_REINT_NET 0x107
160 #define OBD_FAIL_MDS_REINT_UNPACK 0x108
161 #define OBD_FAIL_MDS_REINT_SETATTR 0x109
162 #define OBD_FAIL_MDS_REINT_SETATTR_WRITE 0x10a
163 #define OBD_FAIL_MDS_REINT_CREATE 0x10b
164 #define OBD_FAIL_MDS_REINT_CREATE_WRITE 0x10c
165 #define OBD_FAIL_MDS_REINT_UNLINK 0x10d
166 #define OBD_FAIL_MDS_REINT_UNLINK_WRITE 0x10e
167 #define OBD_FAIL_MDS_REINT_LINK 0x10f
168 #define OBD_FAIL_MDS_REINT_LINK_WRITE 0x110
169 #define OBD_FAIL_MDS_REINT_RENAME 0x111
170 #define OBD_FAIL_MDS_REINT_RENAME_WRITE 0x112
171 #define OBD_FAIL_MDS_OPEN_NET 0x113
172 #define OBD_FAIL_MDS_OPEN_PACK 0x114
173 #define OBD_FAIL_MDS_CLOSE_NET 0x115
174 #define OBD_FAIL_MDS_CLOSE_PACK 0x116
175 #define OBD_FAIL_MDS_CONNECT_NET 0x117
176 #define OBD_FAIL_MDS_CONNECT_PACK 0x118
177 #define OBD_FAIL_MDS_REINT_NET_REP 0x119
178 #define OBD_FAIL_MDS_DISCONNECT_NET 0x11a
179 #define OBD_FAIL_MDS_GET_ROOT_NET 0x11b
180 #define OBD_FAIL_MDS_GET_ROOT_PACK 0x11c
181 #define OBD_FAIL_MDS_STATFS_PACK 0x11d
182 #define OBD_FAIL_MDS_STATFS_NET 0x11e
183 #define OBD_FAIL_MDS_GETATTR_NAME_NET 0x11f
184 #define OBD_FAIL_MDS_PIN_NET 0x120
185 #define OBD_FAIL_MDS_UNPIN_NET 0x121
186 #define OBD_FAIL_MDS_ALL_REPLY_NET 0x122
187 #define OBD_FAIL_MDS_ALL_REQUEST_NET 0x123
188 #define OBD_FAIL_MDS_SYNC_NET 0x124
189 #define OBD_FAIL_MDS_SYNC_PACK 0x125
190 /* OBD_FAIL_MDS_DONE_WRITING_NET 0x126 obsolete since 2.8.0 */
191 /* OBD_FAIL_MDS_DONE_WRITING_PACK 0x127 obsolete since 2.8.0 */
192 #define OBD_FAIL_MDS_ALLOC_OBDO 0x128
193 #define OBD_FAIL_MDS_PAUSE_OPEN 0x129
194 #define OBD_FAIL_MDS_STATFS_LCW_SLEEP 0x12a
195 #define OBD_FAIL_MDS_OPEN_CREATE 0x12b
196 #define OBD_FAIL_MDS_OST_SETATTR 0x12c
197 /* OBD_FAIL_MDS_QUOTACHECK_NET 0x12d obsolete since 2.4 */
198 #define OBD_FAIL_MDS_QUOTACTL_NET 0x12e
199 #define OBD_FAIL_MDS_CLIENT_ADD 0x12f
200 #define OBD_FAIL_MDS_GETXATTR_NET 0x130
201 #define OBD_FAIL_MDS_GETXATTR_PACK 0x131
202 #define OBD_FAIL_MDS_SETXATTR_NET 0x132
203 #define OBD_FAIL_MDS_SETXATTR 0x133
204 #define OBD_FAIL_MDS_SETXATTR_WRITE 0x134
205 #define OBD_FAIL_MDS_FS_SETUP 0x135
206 #define OBD_FAIL_MDS_RESEND 0x136
207 #define OBD_FAIL_MDS_LLOG_CREATE_FAILED 0x137
208 #define OBD_FAIL_MDS_LOV_SYNC_RACE 0x138
209 #define OBD_FAIL_MDS_OSC_PRECREATE 0x139
210 #define OBD_FAIL_MDS_LLOG_SYNC_TIMEOUT 0x13a
211 #define OBD_FAIL_MDS_CLOSE_NET_REP 0x13b
212 #define OBD_FAIL_MDS_BLOCK_QUOTA_REQ 0x13c
213 #define OBD_FAIL_MDS_DROP_QUOTA_REQ 0x13d
214 #define OBD_FAIL_MDS_REMOVE_COMMON_EA 0x13e
215 #define OBD_FAIL_MDS_ALLOW_COMMON_EA_SETTING 0x13f
216 #define OBD_FAIL_MDS_FAIL_LOV_LOG_ADD 0x140
217 #define OBD_FAIL_MDS_LOV_PREP_CREATE 0x141
218 #define OBD_FAIL_MDS_REINT_DELAY 0x142
219 #define OBD_FAIL_MDS_READLINK_EPROTO 0x143
220 #define OBD_FAIL_MDS_OPEN_WAIT_CREATE 0x144
221 #define OBD_FAIL_MDS_PDO_LOCK 0x145
222 #define OBD_FAIL_MDS_PDO_LOCK2 0x146
223 #define OBD_FAIL_MDS_OSC_CREATE_FAIL 0x147
224 #define OBD_FAIL_MDS_NEGATIVE_POSITIVE 0x148
225 #define OBD_FAIL_MDS_HSM_STATE_GET_NET 0x149
226 #define OBD_FAIL_MDS_HSM_STATE_SET_NET 0x14a
227 #define OBD_FAIL_MDS_HSM_PROGRESS_NET 0x14b
228 #define OBD_FAIL_MDS_HSM_REQUEST_NET 0x14c
229 #define OBD_FAIL_MDS_HSM_CT_REGISTER_NET 0x14d
230 #define OBD_FAIL_MDS_HSM_CT_UNREGISTER_NET 0x14e
231 #define OBD_FAIL_MDS_SWAP_LAYOUTS_NET 0x14f
232 #define OBD_FAIL_MDS_HSM_ACTION_NET 0x150
233 #define OBD_FAIL_MDS_CHANGELOG_INIT 0x151
234 #define OBD_FAIL_MDS_HSM_SWAP_LAYOUTS 0x152
235 #define OBD_FAIL_MDS_RENAME 0x153
236 #define OBD_FAIL_MDS_RENAME2 0x154
237 #define OBD_FAIL_MDS_RENAME3 0x155
238 #define OBD_FAIL_MDS_RENAME4 0x156
239 #define OBD_FAIL_MDS_LDLM_REPLY_NET 0x157
240 #define OBD_FAIL_MDS_STALE_DIR_LAYOUT 0x158
241 #define OBD_FAIL_MDS_REINT_MULTI_NET 0x159
242 #define OBD_FAIL_MDS_REINT_MULTI_NET_REP 0x15a
243 #define OBD_FAIL_MDS_LLOG_CREATE_FAILED2 0x15b
244 #define OBD_FAIL_MDS_FLD_LOOKUP 0x15c
245 #define OBD_FAIL_MDS_INTENT_DELAY 0x160
246 #define OBD_FAIL_MDS_XATTR_REP 0x161
247 #define OBD_FAIL_MDS_TRACK_OVERFLOW 0x162
248 #define OBD_FAIL_MDS_LOV_CREATE_RACE 0x163
249 #define OBD_FAIL_MDS_HSM_CDT_DELAY 0x164
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
275 #define OBD_FAIL_OSD_NO_OI_ENTRY 0x198
277 #define OBD_FAIL_OST 0x200
278 #define OBD_FAIL_OST_CONNECT_NET 0x201
279 #define OBD_FAIL_OST_DISCONNECT_NET 0x202
280 #define OBD_FAIL_OST_GET_INFO_NET 0x203
281 #define OBD_FAIL_OST_CREATE_NET 0x204
282 #define OBD_FAIL_OST_DESTROY_NET 0x205
283 #define OBD_FAIL_OST_GETATTR_NET 0x206
284 #define OBD_FAIL_OST_SETATTR_NET 0x207
285 #define OBD_FAIL_OST_OPEN_NET 0x208
286 #define OBD_FAIL_OST_CLOSE_NET 0x209
287 #define OBD_FAIL_OST_BRW_NET 0x20a
288 #define OBD_FAIL_OST_PUNCH_NET 0x20b
289 #define OBD_FAIL_OST_STATFS_NET 0x20c
290 #define OBD_FAIL_OST_HANDLE_UNPACK 0x20d
291 #define OBD_FAIL_OST_BRW_WRITE_BULK 0x20e
292 #define OBD_FAIL_OST_BRW_READ_BULK 0x20f
293 #define OBD_FAIL_OST_SYNC_NET 0x210
294 #define OBD_FAIL_OST_ALL_REPLY_NET 0x211
295 #define OBD_FAIL_OST_ALL_REQUEST_NET 0x212
296 #define OBD_FAIL_OST_LDLM_REPLY_NET 0x213
297 #define OBD_FAIL_OST_BRW_PAUSE_BULK 0x214
298 #define OBD_FAIL_OST_ENOSPC 0x215
299 #define OBD_FAIL_OST_EROFS 0x216
300 #define OBD_FAIL_SRV_ENOENT 0x217
301 /* OBD_FAIL_OST_QUOTACHECK_NET 0x218 obsolete since 2.4 */
302 #define OBD_FAIL_OST_QUOTACTL_NET 0x219
303 #define OBD_FAIL_OST_CHECKSUM_RECEIVE 0x21a
304 #define OBD_FAIL_OST_CHECKSUM_SEND 0x21b
305 #define OBD_FAIL_OST_BRW_SIZE 0x21c
306 #define OBD_FAIL_OST_DROP_REQ 0x21d
307 #define OBD_FAIL_OST_SETATTR_CREDITS 0x21e
308 #define OBD_FAIL_OST_HOLD_WRITE_RPC 0x21f
309 #define OBD_FAIL_OST_BRW_WRITE_BULK2 0x220
310 #define OBD_FAIL_OST_LLOG_RECOVERY_TIMEOUT 0x221
311 #define OBD_FAIL_OST_CANCEL_COOKIE_TIMEOUT 0x222
312 #define OBD_FAIL_OST_PAUSE_CREATE 0x223
313 #define OBD_FAIL_OST_BRW_PAUSE_PACK 0x224
314 #define OBD_FAIL_OST_CONNECT_NET2 0x225
315 #define OBD_FAIL_OST_NOMEM 0x226
316 #define OBD_FAIL_OST_BRW_PAUSE_BULK2 0x227
317 #define OBD_FAIL_OST_MAPBLK_ENOSPC 0x228
318 #define OBD_FAIL_OST_ENOINO 0x229
319 #define OBD_FAIL_OST_DQACQ_NET 0x230
320 #define OBD_FAIL_OST_STATFS_EINPROGRESS 0x231
321 #define OBD_FAIL_OST_SET_INFO_NET 0x232
322 #define OBD_FAIL_OST_NODESTROY 0x233
323 #define OBD_FAIL_OST_READ_SIZE 0x234
324 #define OBD_FAIL_OST_LADVISE_NET 0x235
325 #define OBD_FAIL_OST_PAUSE_PUNCH 0x236
326 #define OBD_FAIL_OST_LADVISE_PAUSE 0x237
327 #define OBD_FAIL_OST_FAKE_RW 0x238
328 #define OBD_FAIL_OST_LIST_ASSERT 0x239
329 #define OBD_FAIL_OST_GL_WORK_ALLOC 0x240
330 #define OBD_FAIL_OST_SKIP_LV_CHECK 0x241
331 #define OBD_FAIL_OST_STATFS_DELAY 0x242
333 #define OBD_FAIL_LDLM 0x300
334 #define OBD_FAIL_LDLM_NAMESPACE_NEW 0x301
335 #define OBD_FAIL_LDLM_ENQUEUE_NET 0x302
336 #define OBD_FAIL_LDLM_CONVERT_NET 0x303
337 #define OBD_FAIL_LDLM_CANCEL_NET 0x304
338 #define OBD_FAIL_LDLM_BL_CALLBACK_NET 0x305
339 #define OBD_FAIL_LDLM_CP_CALLBACK_NET 0x306
340 #define OBD_FAIL_LDLM_GL_CALLBACK_NET 0x307
341 #define OBD_FAIL_LDLM_ENQUEUE_EXTENT_ERR 0x308
342 #define OBD_FAIL_LDLM_ENQUEUE_INTENT_ERR 0x309
343 #define OBD_FAIL_LDLM_CREATE_RESOURCE 0x30a
344 #define OBD_FAIL_LDLM_ENQUEUE_BLOCKED 0x30b
345 #define OBD_FAIL_LDLM_REPLY 0x30c
346 #define OBD_FAIL_LDLM_RECOV_CLIENTS 0x30d
347 #define OBD_FAIL_LDLM_ENQUEUE_OLD_EXPORT 0x30e
348 #define OBD_FAIL_LDLM_GLIMPSE 0x30f
349 #define OBD_FAIL_LDLM_CANCEL_RACE 0x310
350 #define OBD_FAIL_LDLM_CANCEL_EVICT_RACE 0x311
351 #define OBD_FAIL_LDLM_PAUSE_CANCEL 0x312
352 #define OBD_FAIL_LDLM_CLOSE_THREAD 0x313
353 #define OBD_FAIL_LDLM_CANCEL_BL_CB_RACE 0x314
354 #define OBD_FAIL_LDLM_CP_CB_WAIT 0x315
355 #define OBD_FAIL_LDLM_OST_FAIL_RACE 0x316
356 #define OBD_FAIL_LDLM_INTR_CP_AST 0x317
357 #define OBD_FAIL_LDLM_CP_BL_RACE 0x318
358 #define OBD_FAIL_LDLM_NEW_LOCK 0x319
359 #define OBD_FAIL_LDLM_AGL_DELAY 0x31a
360 #define OBD_FAIL_LDLM_AGL_NOLOCK 0x31b
361 #define OBD_FAIL_LDLM_OST_LVB 0x31c
362 #define OBD_FAIL_LDLM_ENQUEUE_HANG 0x31d
363 #define OBD_FAIL_LDLM_BL_EVICT 0x31e
364 #define OBD_FAIL_LDLM_PAUSE_CANCEL2 0x31f
365 #define OBD_FAIL_LDLM_CP_CB_WAIT2 0x320
366 #define OBD_FAIL_LDLM_CP_CB_WAIT3 0x321
367 #define OBD_FAIL_LDLM_CP_CB_WAIT4 0x322
368 #define OBD_FAIL_LDLM_CP_CB_WAIT5 0x323
369 #define OBD_FAIL_LDLM_SRV_BL_AST 0x324
370 #define OBD_FAIL_LDLM_SRV_CP_AST 0x325
371 #define OBD_FAIL_LDLM_SRV_GL_AST 0x326
372 #define OBD_FAIL_LDLM_WATERMARK_LOW 0x327
373 #define OBD_FAIL_LDLM_WATERMARK_HIGH 0x328
375 #define OBD_FAIL_LDLM_GRANT_CHECK 0x32a
378 #define OBD_FAIL_LDLM_SET_CONTENTION 0x385
380 #define OBD_FAIL_OSC 0x400
381 #define OBD_FAIL_OSC_BRW_READ_BULK 0x401
382 #define OBD_FAIL_OSC_BRW_WRITE_BULK 0x402
383 #define OBD_FAIL_OSC_LOCK_BL_AST 0x403
384 #define OBD_FAIL_OSC_LOCK_CP_AST 0x404
385 #define OBD_FAIL_OSC_MATCH 0x405
386 #define OBD_FAIL_OSC_BRW_PREP_REQ 0x406
387 #define OBD_FAIL_OSC_SHUTDOWN 0x407
388 #define OBD_FAIL_OSC_CHECKSUM_RECEIVE 0x408
389 #define OBD_FAIL_OSC_CHECKSUM_SEND 0x409
390 #define OBD_FAIL_OSC_BRW_PREP_REQ2 0x40a
391 /* #define OBD_FAIL_OSC_CONNECT_CKSUM 0x40b Obsolete since 2.9 */
392 #define OBD_FAIL_OSC_CKSUM_ADLER_ONLY 0x40c
393 #define OBD_FAIL_OSC_DIO_PAUSE 0x40d
394 #define OBD_FAIL_OSC_OBJECT_CONTENTION 0x40e
395 #define OBD_FAIL_OSC_CP_CANCEL_RACE 0x40f
396 #define OBD_FAIL_OSC_CP_ENQ_RACE 0x410
397 #define OBD_FAIL_OSC_NO_GRANT 0x411
398 #define OBD_FAIL_OSC_DELAY_SETTIME 0x412
399 #define OBD_FAIL_OSC_CONNECT_GRANT_PARAM 0x413
400 #define OBD_FAIL_OSC_DELAY_IO 0x414
402 #define OBD_FAIL_PTLRPC 0x500
403 #define OBD_FAIL_PTLRPC_ACK 0x501
404 #define OBD_FAIL_PTLRPC_RQBD 0x502
405 #define OBD_FAIL_PTLRPC_BULK_GET_NET 0x503
406 #define OBD_FAIL_PTLRPC_BULK_PUT_NET 0x504
407 #define OBD_FAIL_PTLRPC_DROP_RPC 0x505
408 #define OBD_FAIL_PTLRPC_DELAY_SEND 0x506
409 #define OBD_FAIL_PTLRPC_DELAY_RECOV 0x507
410 #define OBD_FAIL_PTLRPC_CLIENT_BULK_CB 0x508
411 #define OBD_FAIL_PTLRPC_PAUSE_REQ 0x50a
412 #define OBD_FAIL_PTLRPC_PAUSE_REP 0x50c
413 #define OBD_FAIL_PTLRPC_IMP_DEACTIVE 0x50d
414 #define OBD_FAIL_PTLRPC_DUMP_LOG 0x50e
415 #define OBD_FAIL_PTLRPC_LONG_REPL_UNLINK 0x50f
416 #define OBD_FAIL_PTLRPC_LONG_BULK_UNLINK 0x510
417 #define OBD_FAIL_PTLRPC_HPREQ_TIMEOUT 0x511
418 #define OBD_FAIL_PTLRPC_HPREQ_NOTIMEOUT 0x512
419 #define OBD_FAIL_PTLRPC_DROP_REQ_OPC 0x513
420 #define OBD_FAIL_PTLRPC_FINISH_REPLAY 0x514
421 #define OBD_FAIL_PTLRPC_CLIENT_BULK_CB2 0x515
422 #define OBD_FAIL_PTLRPC_DELAY_IMP_FULL 0x516
423 #define OBD_FAIL_PTLRPC_CANCEL_RESEND 0x517
424 #define OBD_FAIL_PTLRPC_DROP_BULK 0x51a
425 #define OBD_FAIL_PTLRPC_LONG_REQ_UNLINK 0x51b
426 #define OBD_FAIL_PTLRPC_LONG_BOTH_UNLINK 0x51c
427 #define OBD_FAIL_PTLRPC_CLIENT_BULK_CB3 0x520
429 #define OBD_FAIL_OBD_PING_NET 0x600
430 #define OBD_FAIL_OBD_LOG_CANCEL_NET 0x601
431 #define OBD_FAIL_OBD_LOGD_NET 0x602
432 /* OBD_FAIL_OBD_QC_CALLBACK_NET 0x603 obsolete since 2.4 */
433 #define OBD_FAIL_OBD_DQACQ 0x604
434 #define OBD_FAIL_OBD_LLOG_SETUP 0x605
435 #define OBD_FAIL_OBD_LOG_CANCEL_REP 0x606
436 #define OBD_FAIL_OBD_IDX_READ_NET 0x607
437 #define OBD_FAIL_OBD_IDX_READ_BREAK 0x608
438 #define OBD_FAIL_OBD_NO_LRU 0x609
439 #define OBD_FAIL_OBDCLASS_MODULE_LOAD 0x60a
441 #define OBD_FAIL_TGT_REPLY_NET 0x700
442 #define OBD_FAIL_TGT_CONN_RACE 0x701
443 #define OBD_FAIL_TGT_FORCE_RECONNECT 0x702
444 #define OBD_FAIL_TGT_DELAY_CONNECT 0x703
445 #define OBD_FAIL_TGT_DELAY_RECONNECT 0x704
446 #define OBD_FAIL_TGT_DELAY_PRECREATE 0x705
447 #define OBD_FAIL_TGT_TOOMANY_THREADS 0x706
448 #define OBD_FAIL_TGT_REPLAY_DROP 0x707
449 #define OBD_FAIL_TGT_FAKE_EXP 0x708
450 #define OBD_FAIL_TGT_REPLAY_DELAY 0x709
451 /* #define OBD_FAIL_TGT_LAST_REPLAY 0x710 (obsoleted) */
452 #define OBD_FAIL_TGT_CLIENT_ADD 0x711
453 #define OBD_FAIL_TGT_RCVG_FLAG 0x712
454 #define OBD_FAIL_TGT_DELAY_CONDITIONAL 0x713
455 #define OBD_FAIL_TGT_REPLAY_DELAY2 0x714
456 #define OBD_FAIL_TGT_REPLAY_RECONNECT 0x715
457 #define OBD_FAIL_TGT_MOUNT_RACE 0x716
458 #define OBD_FAIL_TGT_REPLAY_TIMEOUT 0x717
459 #define OBD_FAIL_TGT_CLIENT_DEL 0x718
460 #define OBD_FAIL_TGT_SLUGGISH_NET 0x719
461 #define OBD_FAIL_TGT_RCVD_EIO 0x720
463 #define OBD_FAIL_MDC_REVALIDATE_PAUSE 0x800
464 #define OBD_FAIL_MDC_ENQUEUE_PAUSE 0x801
465 #define OBD_FAIL_MDC_OLD_EXT_FLAGS 0x802
466 #define OBD_FAIL_MDC_GETATTR_ENQUEUE 0x803
467 #define OBD_FAIL_MDC_RPCS_SEM 0x804
468 #define OBD_FAIL_MDC_LIGHTWEIGHT 0x805
469 #define OBD_FAIL_MDC_CLOSE 0x806
470 #define OBD_FAIL_MDC_MERGE 0x807
472 #define OBD_FAIL_MGS 0x900
473 #define OBD_FAIL_MGS_ALL_REQUEST_NET 0x901
474 #define OBD_FAIL_MGS_ALL_REPLY_NET 0x902
475 #define OBD_FAIL_MGC_PAUSE_PROCESS_LOG 0x903
476 #define OBD_FAIL_MGS_PAUSE_REQ 0x904
477 #define OBD_FAIL_MGS_PAUSE_TARGET_REG 0x905
478 #define OBD_FAIL_MGS_CONNECT_NET 0x906
479 #define OBD_FAIL_MGS_DISCONNECT_NET 0x907
480 #define OBD_FAIL_MGS_SET_INFO_NET 0x908
481 #define OBD_FAIL_MGS_EXCEPTION_NET 0x909
482 #define OBD_FAIL_MGS_TARGET_REG_NET 0x90a
483 #define OBD_FAIL_MGS_TARGET_DEL_NET 0x90b
484 #define OBD_FAIL_MGS_CONFIG_READ_NET 0x90c
485 #define OBD_FAIL_MGS_LDLM_REPLY_NET 0x90d
486 #define OBD_FAIL_MGS_WRITE_TARGET_DELAY 0x90e
488 #define OBD_FAIL_QUOTA_DQACQ_NET 0xA01
489 #define OBD_FAIL_QUOTA_EDQUOT 0xA02
490 #define OBD_FAIL_QUOTA_DELAY_REINT 0xA03
491 #define OBD_FAIL_QUOTA_RECOVERABLE_ERR 0xA04
493 #define OBD_FAIL_LPROC_REMOVE 0xB00
495 #define OBD_FAIL_SEQ 0x1000
496 #define OBD_FAIL_SEQ_QUERY_NET 0x1001
497 #define OBD_FAIL_SEQ_EXHAUST 0x1002
499 #define OBD_FAIL_FLD 0x1100
500 #define OBD_FAIL_FLD_QUERY_NET 0x1101
501 #define OBD_FAIL_FLD_READ_NET 0x1102
503 #define OBD_FAIL_SEC_CTX 0x1200
504 #define OBD_FAIL_SEC_CTX_INIT_NET 0x1201
505 #define OBD_FAIL_SEC_CTX_INIT_CONT_NET 0x1202
506 #define OBD_FAIL_SEC_CTX_FINI_NET 0x1203
507 #define OBD_FAIL_SEC_CTX_HDL_PAUSE 0x1204
509 #define OBD_FAIL_LLOG 0x1300
510 #define OBD_FAIL_LLOG_ORIGIN_CONNECT_NET 0x1301
511 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_CREATE_NET 0x1302
512 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_DESTROY_NET 0x1303
513 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_READ_HEADER_NET 0x1304
514 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_NEXT_BLOCK_NET 0x1305
515 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_PREV_BLOCK_NET 0x1306
516 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_WRITE_REC_NET 0x1307
517 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_CLOSE_NET 0x1308
518 #define OBD_FAIL_LLOG_CATINFO_NET 0x1309
519 #define OBD_FAIL_MDS_SYNC_CAPA_SL 0x1310
520 #define OBD_FAIL_SEQ_ALLOC 0x1311
521 #define OBD_FAIL_CAT_RECORDS 0x1312
522 #define OBD_FAIL_CAT_FREE_RECORDS 0x1313
523 #define OBD_FAIL_TIME_IN_CHLOG_USER 0x1314
525 #define OBD_FAIL_LLITE 0x1400
526 #define OBD_FAIL_LLITE_FAULT_TRUNC_RACE 0x1401
527 #define OBD_FAIL_LOCK_STATE_WAIT_INTR 0x1402
528 #define OBD_FAIL_LOV_INIT 0x1403
529 #define OBD_FAIL_GLIMPSE_DELAY 0x1404
530 #define OBD_FAIL_LLITE_XATTR_ENOMEM 0x1405
531 #define OBD_FAIL_MAKE_LOVEA_HOLE 0x1406
532 #define OBD_FAIL_LLITE_LOST_LAYOUT 0x1407
533 #define OBD_FAIL_LLITE_NO_CHECK_DEAD 0x1408
534 #define OBD_FAIL_GETATTR_DELAY 0x1409
535 #define OBD_FAIL_LLITE_CREATE_FILE_PAUSE 0x1409
536 #define OBD_FAIL_LLITE_NEWNODE_PAUSE 0x140a
537 #define OBD_FAIL_LLITE_SETDIRSTRIPE_PAUSE 0x140b
538 #define OBD_FAIL_LLITE_CREATE_NODE_PAUSE 0x140c
539 #define OBD_FAIL_LLITE_PTASK_IO_FAIL 0x140d
540 #define OBD_FAIL_LLITE_IMUTEX_SEC 0x140e
541 #define OBD_FAIL_LLITE_IMUTEX_NOSEC 0x140f
543 #define OBD_FAIL_FID_INDIR 0x1501
544 #define OBD_FAIL_FID_INLMA 0x1502
545 #define OBD_FAIL_FID_IGIF 0x1504
546 #define OBD_FAIL_FID_LOOKUP 0x1505
547 #define OBD_FAIL_FID_NOLMA 0x1506
550 #define OBD_FAIL_LFSCK_DELAY1 0x1600
551 #define OBD_FAIL_LFSCK_DELAY2 0x1601
552 #define OBD_FAIL_LFSCK_DELAY3 0x1602
553 #define OBD_FAIL_LFSCK_LINKEA_CRASH 0x1603
554 #define OBD_FAIL_LFSCK_LINKEA_MORE 0x1604
555 #define OBD_FAIL_LFSCK_LINKEA_MORE2 0x1605
556 #define OBD_FAIL_LFSCK_FATAL1 0x1608
557 #define OBD_FAIL_LFSCK_FATAL2 0x1609
558 #define OBD_FAIL_LFSCK_CRASH 0x160a
559 #define OBD_FAIL_LFSCK_NO_AUTO 0x160b
560 #define OBD_FAIL_LFSCK_NO_DOUBLESCAN 0x160c
561 #define OBD_FAIL_LFSCK_SKIP_LASTID 0x160d
562 #define OBD_FAIL_LFSCK_DELAY4 0x160e
563 #define OBD_FAIL_LFSCK_BAD_LMMOI 0x160f
564 #define OBD_FAIL_LFSCK_DANGLING 0x1610
565 #define OBD_FAIL_LFSCK_UNMATCHED_PAIR1 0x1611
566 #define OBD_FAIL_LFSCK_UNMATCHED_PAIR2 0x1612
567 #define OBD_FAIL_LFSCK_BAD_OWNER 0x1613
568 #define OBD_FAIL_LFSCK_MULTIPLE_REF 0x1614
569 #define OBD_FAIL_LFSCK_LOST_STRIPE 0x1615
570 #define OBD_FAIL_LFSCK_LOST_MDTOBJ 0x1616
571 #define OBD_FAIL_LFSCK_NOPFID 0x1617
572 #define OBD_FAIL_LFSCK_CHANGE_STRIPE 0x1618
573 #define OBD_FAIL_LFSCK_INVALID_PFID 0x1619
574 #define OBD_FAIL_LFSCK_LOST_SPEOBJ 0x161a
575 #define OBD_FAIL_LFSCK_DELAY5 0x161b
576 #define OBD_FAIL_LFSCK_BAD_NETWORK 0x161c
577 #define OBD_FAIL_LFSCK_NO_LINKEA 0x161d
578 #define OBD_FAIL_LFSCK_BAD_PARENT 0x161e
579 #define OBD_FAIL_LFSCK_DANGLING2 0x1620
580 #define OBD_FAIL_LFSCK_DANGLING3 0x1621
581 #define OBD_FAIL_LFSCK_MUL_REF 0x1622
582 #define OBD_FAIL_LFSCK_BAD_TYPE 0x1623
583 #define OBD_FAIL_LFSCK_NO_NAMEENTRY 0x1624
584 #define OBD_FAIL_LFSCK_LESS_NLINK 0x1626
585 #define OBD_FAIL_LFSCK_BAD_NAME_HASH 0x1628
586 #define OBD_FAIL_LFSCK_LOST_MASTER_LMV 0x1629
587 #define OBD_FAIL_LFSCK_LOST_SLAVE_LMV 0x162a
588 #define OBD_FAIL_LFSCK_BAD_SLAVE_LMV 0x162b
589 #define OBD_FAIL_LFSCK_BAD_SLAVE_NAME 0x162c
590 #define OBD_FAIL_LFSCK_ASSISTANT_DIRECT 0x162d
591 #define OBD_FAIL_LFSCK_LOST_MDTOBJ2 0x162e
592 #define OBD_FAIL_LFSCK_BAD_PFL_RANGE 0x162f
593 #define OBD_FAIL_LFSCK_NO_AGENTOBJ 0x1630
594 #define OBD_FAIL_LFSCK_NO_AGENTENT 0x1631
596 #define OBD_FAIL_LFSCK_NOTIFY_NET 0x16f0
597 #define OBD_FAIL_LFSCK_QUERY_NET 0x16f1
600 #define OBD_FAIL_OUT_UPDATE_NET 0x1700
601 #define OBD_FAIL_OUT_UPDATE_NET_REP 0x1701
602 #define OBD_FAIL_SPLIT_UPDATE_REC 0x1702
603 #define OBD_FAIL_LARGE_STRIPE 0x1703
604 #define OBD_FAIL_OUT_ENOSPC 0x1704
605 #define OBD_FAIL_INVALIDATE_UPDATE 0x1705
608 #define OBD_FAIL_MIGRATE_NET_REP 0x1800
609 #define OBD_FAIL_MIGRATE_ENTRIES 0x1801
610 #define OBD_FAIL_MIGRATE_LINKEA 0x1802
611 #define OBD_FAIL_MIGRATE_DELAY 0x1803
614 #define OBD_FAIL_UNKNOWN_LMV_STRIPE 0x1901
617 #define OBD_FAIL_FLR_GLIMPSE_IMMUTABLE 0x1A00
618 #define OBD_FAIL_FLR_LV_DELAY 0x1A01
619 #define OBD_FAIL_FLR_LV_INC 0x1A02
620 #define OBD_FAIL_FLR_RANDOM_PICK_MIRROR 0x1A03
623 #define OBD_FAIL_DT_DECLARE_ATTR_GET 0x2000
624 #define OBD_FAIL_DT_ATTR_GET 0x2001
625 #define OBD_FAIL_DT_DECLARE_ATTR_SET 0x2002
626 #define OBD_FAIL_DT_ATTR_SET 0x2003
627 #define OBD_FAIL_DT_DECLARE_XATTR_GET 0x2004
628 #define OBD_FAIL_DT_XATTR_GET 0x2005
629 #define OBD_FAIL_DT_DECLARE_XATTR_SET 0x2006
630 #define OBD_FAIL_DT_XATTR_SET 0x2007
631 #define OBD_FAIL_DT_DECLARE_XATTR_DEL 0x2008
632 #define OBD_FAIL_DT_XATTR_DEL 0x2009
633 #define OBD_FAIL_DT_XATTR_LIST 0x200a
634 #define OBD_FAIL_DT_DECLARE_CREATE 0x200b
635 #define OBD_FAIL_DT_CREATE 0x200c
636 #define OBD_FAIL_DT_DECLARE_DESTROY 0x200d
637 #define OBD_FAIL_DT_DESTROY 0x200e
638 #define OBD_FAIL_DT_INDEX_TRY 0x200f
639 #define OBD_FAIL_DT_DECLARE_REF_ADD 0x2010
640 #define OBD_FAIL_DT_REF_ADD 0x2011
641 #define OBD_FAIL_DT_DECLARE_REF_DEL 0x2012
642 #define OBD_FAIL_DT_REF_DEL 0x2013
643 #define OBD_FAIL_DT_DECLARE_INSERT 0x2014
644 #define OBD_FAIL_DT_INSERT 0x2015
645 #define OBD_FAIL_DT_DECLARE_DELETE 0x2016
646 #define OBD_FAIL_DT_DELETE 0x2017
647 #define OBD_FAIL_DT_LOOKUP 0x2018
648 #define OBD_FAIL_DT_TXN_STOP 0x2019
650 #define OBD_FAIL_OSP_CHECK_INVALID_REC 0x2100
651 #define OBD_FAIL_OSP_CHECK_ENOMEM 0x2101
652 #define OBD_FAIL_OSP_FAKE_PRECREATE 0x2102
655 #define OBD_FAIL_MGS_BARRIER_READ_NET 0x2200
656 #define OBD_FAIL_MGS_BARRIER_NOTIFY_NET 0x2201
658 #define OBD_FAIL_BARRIER_DELAY 0x2202
659 #define OBD_FAIL_BARRIER_FAILURE 0x2203
661 /* Assign references to moved code to reduce code changes */
662 #define OBD_FAIL_PRECHECK(id) CFS_FAIL_PRECHECK(id)
663 #define OBD_FAIL_CHECK(id) CFS_FAIL_CHECK(id)
664 #define OBD_FAIL_CHECK_VALUE(id, value) CFS_FAIL_CHECK_VALUE(id, value)
665 #define OBD_FAIL_CHECK_ORSET(id, value) CFS_FAIL_CHECK_ORSET(id, value)
666 #define OBD_FAIL_CHECK_RESET(id, value) CFS_FAIL_CHECK_RESET(id, value)
667 #define OBD_FAIL_RETURN(id, ret) CFS_FAIL_RETURN(id, ret)
668 #define OBD_FAIL_TIMEOUT(id, secs) CFS_FAIL_TIMEOUT(id, secs)
669 #define OBD_FAIL_TIMEOUT_MS(id, ms) CFS_FAIL_TIMEOUT_MS(id, ms)
670 #define OBD_FAIL_TIMEOUT_ORSET(id, value, secs) CFS_FAIL_TIMEOUT_ORSET(id, value, secs)
671 #define OBD_RACE(id) CFS_RACE(id)
672 #define OBD_FAIL_ONCE CFS_FAIL_ONCE
673 #define OBD_FAILED CFS_FAILED
675 #define LUT_FAIL_CLASS(fail_id) (((fail_id) >> 8) << 16)
676 #define LUT_FAIL_MGT LUT_FAIL_CLASS(OBD_FAIL_MGS)
677 #define LUT_FAIL_MDT LUT_FAIL_CLASS(OBD_FAIL_MDS)
678 #define LUT_FAIL_OST LUT_FAIL_CLASS(OBD_FAIL_OST)
680 extern atomic_t libcfs_kmemory;
682 #ifdef CONFIG_PROC_FS
683 #define obd_memory_add(size) \
684 lprocfs_counter_add(obd_memory, OBD_MEMORY_STAT, (long)(size))
685 #define obd_memory_sub(size) \
686 lprocfs_counter_sub(obd_memory, OBD_MEMORY_STAT, (long)(size))
687 #define obd_memory_sum() \
688 lprocfs_stats_collector(obd_memory, OBD_MEMORY_STAT, \
689 LPROCFS_FIELDS_FLAGS_SUM)
691 extern void obd_update_maxusage(void);
692 extern __u64 obd_memory_max(void);
694 #else /* CONFIG_PROC_FS */
696 extern __u64 obd_alloc;
698 extern __u64 obd_max_alloc;
700 static inline void obd_memory_add(long size)
703 if (obd_alloc > obd_max_alloc)
704 obd_max_alloc = obd_alloc;
707 static inline void obd_memory_sub(long size)
712 #define obd_memory_sum() (obd_alloc)
714 #define obd_memory_max() (obd_max_alloc)
716 #endif /* !CONFIG_PROC_FS */
718 #define OBD_DEBUG_MEMUSAGE (1)
720 #if OBD_DEBUG_MEMUSAGE
721 #define OBD_ALLOC_POST(ptr, size, name) \
722 obd_memory_add(size); \
723 CDEBUG(D_MALLOC, name " '" #ptr "': %d at %p.\n", \
726 #define OBD_FREE_PRE(ptr, size, name) \
728 obd_memory_sub(size); \
729 CDEBUG(D_MALLOC, name " '" #ptr "': %d at %p.\n", \
731 POISON(ptr, 0x5a, size)
733 #else /* !OBD_DEBUG_MEMUSAGE */
735 #define OBD_ALLOC_POST(ptr, size, name) ((void)0)
736 #define OBD_FREE_PRE(ptr, size, name) ((void)0)
738 #endif /* !OBD_DEBUG_MEMUSAGE */
740 #define __OBD_MALLOC_VERBOSE(ptr, cptab, cpt, size, flags) \
742 (ptr) = (cptab) == NULL ? \
743 kmalloc(size, (flags) | __GFP_ZERO) : \
744 cfs_cpt_malloc(cptab, cpt, size, (flags) | __GFP_ZERO); \
745 if (likely((ptr) != NULL)) \
746 OBD_ALLOC_POST(ptr, size, "kmalloced"); \
749 #define OBD_ALLOC_GFP(ptr, size, gfp_mask) \
750 __OBD_MALLOC_VERBOSE(ptr, NULL, 0, size, gfp_mask)
752 #define OBD_ALLOC(ptr, size) OBD_ALLOC_GFP(ptr, size, GFP_NOFS)
753 #define OBD_ALLOC_WAIT(ptr, size) OBD_ALLOC_GFP(ptr, size, GFP_KERNEL)
754 #define OBD_ALLOC_PTR(ptr) OBD_ALLOC(ptr, sizeof *(ptr))
755 #define OBD_ALLOC_PTR_WAIT(ptr) OBD_ALLOC_WAIT(ptr, sizeof *(ptr))
757 #define OBD_CPT_ALLOC_GFP(ptr, cptab, cpt, size, gfp_mask) \
758 __OBD_MALLOC_VERBOSE(ptr, cptab, cpt, size, gfp_mask)
760 #define OBD_CPT_ALLOC(ptr, cptab, cpt, size) \
761 OBD_CPT_ALLOC_GFP(ptr, cptab, cpt, size, GFP_NOFS)
763 #define OBD_CPT_ALLOC_PTR(ptr, cptab, cpt) \
764 OBD_CPT_ALLOC(ptr, cptab, cpt, sizeof *(ptr))
766 /* Direct use of __vmalloc() allows for protection flag specification
767 * (and particularly to not set __GFP_FS, which is likely to cause some
768 * deadlock situations in our code).
770 #define __OBD_VMALLOC_VERBOSE(ptr, cptab, cpt, size) \
772 (ptr) = cptab == NULL ? \
773 __vmalloc(size, GFP_NOFS | __GFP_HIGHMEM | __GFP_ZERO, \
775 cfs_cpt_vzalloc(cptab, cpt, size); \
776 if (unlikely((ptr) == NULL)) { \
777 CERROR("vmalloc of '" #ptr "' (%d bytes) failed\n", \
779 CERROR("%llu total bytes allocated by Lustre, %d by LNET\n", \
780 obd_memory_sum(), atomic_read(&libcfs_kmemory)); \
782 OBD_ALLOC_POST(ptr, size, "vmalloced"); \
786 #define OBD_VMALLOC(ptr, size) \
787 __OBD_VMALLOC_VERBOSE(ptr, NULL, 0, size)
788 #define OBD_CPT_VMALLOC(ptr, cptab, cpt, size) \
789 __OBD_VMALLOC_VERBOSE(ptr, cptab, cpt, size)
791 #define OBD_ALLOC_LARGE(ptr, size) \
793 /* LU-8196 - force large allocations to use vmalloc, not kmalloc */ \
794 if ((size) > KMALLOC_MAX_SIZE) \
797 OBD_ALLOC_GFP(ptr, size, GFP_NOFS | __GFP_NOWARN); \
799 OBD_VMALLOC(ptr, size); \
802 #define OBD_CPT_ALLOC_LARGE(ptr, cptab, cpt, size) \
804 OBD_CPT_ALLOC_GFP(ptr, cptab, cpt, size, GFP_NOFS | __GFP_NOWARN); \
806 OBD_CPT_VMALLOC(ptr, cptab, cpt, size); \
809 #ifdef CONFIG_DEBUG_SLAB
810 #define POISON(ptr, c, s) do {} while (0)
811 #define POISON_PTR(ptr) ((void)0)
813 #define POISON(ptr, c, s) memset(ptr, c, s)
814 #define POISON_PTR(ptr) (ptr) = (void *)0xdeadbeef
818 #define POISON_PAGE(page, val) do { memset(kmap(page), val, PAGE_SIZE); \
819 kunmap(page); } while (0)
821 #define POISON_PAGE(page, val) do { } while (0)
824 #define OBD_FREE(ptr, size) \
826 OBD_FREE_PRE(ptr, size, "kfreed"); \
831 #define OBD_FREE_LARGE(ptr, size) \
833 if (is_vmalloc_addr(ptr)) { \
834 OBD_FREE_PRE(ptr, size, "vfreed"); \
838 OBD_FREE(ptr, size); \
842 #define OBD_FREE_RCU(ptr, size, handle) \
844 struct portals_handle *__h = (handle); \
846 LASSERT(handle != NULL); \
847 __h->h_cookie = (unsigned long)(ptr); \
848 __h->h_size = (size); \
849 call_rcu(&__h->h_rcu, class_handle_free_cb); \
853 /* we memset() the slab object to 0 when allocation succeeds, so DO NOT
854 * HAVE A CTOR THAT DOES ANYTHING. its work will be cleared here. we'd
855 * love to assert on that, but slab.c keeps kmem_cache_s all to itself. */
856 #define OBD_SLAB_FREE_RTN0(ptr, slab) \
858 kmem_cache_free((slab), (ptr)); \
863 #define __OBD_SLAB_ALLOC_VERBOSE(ptr, slab, cptab, cpt, size, type) \
865 LASSERT(ergo((type) != GFP_ATOMIC, !in_interrupt())); \
866 (ptr) = (cptab) == NULL ? \
867 kmem_cache_alloc(slab, (type) | __GFP_ZERO) : \
868 cfs_mem_cache_cpt_alloc(slab, cptab, cpt, (type) | __GFP_ZERO); \
870 OBD_ALLOC_POST(ptr, size, "slab-alloced"); \
873 #define OBD_SLAB_ALLOC_GFP(ptr, slab, size, flags) \
874 __OBD_SLAB_ALLOC_VERBOSE(ptr, slab, NULL, 0, size, flags)
875 #define OBD_SLAB_CPT_ALLOC_GFP(ptr, slab, cptab, cpt, size, flags) \
876 __OBD_SLAB_ALLOC_VERBOSE(ptr, slab, cptab, cpt, size, flags)
878 #define OBD_FREE_PTR(ptr) OBD_FREE(ptr, sizeof *(ptr))
880 #define OBD_SLAB_FREE(ptr, slab, size) \
882 OBD_FREE_PRE(ptr, size, "slab-freed"); \
883 kmem_cache_free(slab, ptr); \
887 #define OBD_SLAB_ALLOC(ptr, slab, size) \
888 OBD_SLAB_ALLOC_GFP(ptr, slab, size, GFP_NOFS)
890 #define OBD_SLAB_CPT_ALLOC(ptr, slab, cptab, cpt, size) \
891 OBD_SLAB_CPT_ALLOC_GFP(ptr, slab, cptab, cpt, size, GFP_NOFS)
893 #define OBD_SLAB_ALLOC_PTR(ptr, slab) \
894 OBD_SLAB_ALLOC(ptr, slab, sizeof *(ptr))
896 #define OBD_SLAB_CPT_ALLOC_PTR(ptr, slab, cptab, cpt) \
897 OBD_SLAB_CPT_ALLOC(ptr, slab, cptab, cpt, sizeof *(ptr))
899 #define OBD_SLAB_ALLOC_PTR_GFP(ptr, slab, flags) \
900 OBD_SLAB_ALLOC_GFP(ptr, slab, sizeof *(ptr), flags)
902 #define OBD_SLAB_CPT_ALLOC_PTR_GFP(ptr, slab, cptab, cpt, flags) \
903 OBD_SLAB_CPT_ALLOC_GFP(ptr, slab, cptab, cpt, sizeof *(ptr), flags)
905 #define OBD_SLAB_FREE_PTR(ptr, slab) \
906 OBD_SLAB_FREE((ptr), (slab), sizeof *(ptr))
908 #define KEY_IS(str) \
909 (keylen >= (sizeof(str)-1) && memcmp(key, str, (sizeof(str)-1)) == 0)
911 /* LUSTRE_LMA_FL_MASKS defines which flags will be stored in LMA */
913 static inline int lma_to_lustre_flags(__u32 lma_flags)
915 return (lma_flags & LMAI_ORPHAN) ? LUSTRE_ORPHAN_FL : 0;
918 static inline int lustre_to_lma_flags(__u32 la_flags)
920 return (la_flags & LUSTRE_ORPHAN_FL) ? LMAI_ORPHAN : 0;