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 extern unsigned int obd_lbug_on_eviction;
57 /* obd_timeout should only be used for recovery, not for
58 networking / disk / timings affected by load (use Adaptive Timeouts) */
59 extern unsigned int obd_timeout; /* seconds */
60 extern unsigned int ldlm_timeout; /* seconds */
61 extern unsigned int obd_timeout_set;
62 extern unsigned int ldlm_timeout_set;
63 extern unsigned int bulk_timeout;
64 extern unsigned int at_min;
65 extern unsigned int at_max;
66 extern unsigned int at_history;
67 extern int at_early_margin;
69 extern unsigned long obd_max_dirty_pages;
70 extern atomic_long_t obd_dirty_pages;
71 extern atomic_long_t obd_dirty_transit_pages;
72 extern char obd_jobid_var[];
74 /* Some hash init argument constants */
75 #define HASH_POOLS_BKT_BITS 3
76 #define HASH_POOLS_CUR_BITS 3
77 #define HASH_POOLS_MAX_BITS 7
78 #define HASH_UUID_BKT_BITS 5
79 #define HASH_UUID_CUR_BITS 7
80 #define HASH_UUID_MAX_BITS 12
81 #define HASH_NID_BKT_BITS 5
82 #define HASH_NID_CUR_BITS 7
83 #define HASH_NID_MAX_BITS 12
84 #define HASH_NID_STATS_BKT_BITS 5
85 #define HASH_NID_STATS_CUR_BITS 7
86 #define HASH_NID_STATS_MAX_BITS 12
87 #define HASH_GEN_BKT_BITS 5
88 #define HASH_GEN_CUR_BITS 7
89 #define HASH_GEN_MAX_BITS 12
90 #define HASH_LQE_BKT_BITS 5
91 #define HASH_LQE_CUR_BITS 7
92 #define HASH_LQE_MAX_BITS 12
93 #define HASH_EXP_LOCK_BKT_BITS 5
94 #define HASH_EXP_LOCK_CUR_BITS 7
95 #define HASH_EXP_LOCK_MAX_BITS 16
96 #define HASH_CL_ENV_BKT_BITS 5
97 #define HASH_CL_ENV_BITS 10
98 #define HASH_JOB_STATS_BKT_BITS 5
99 #define HASH_JOB_STATS_CUR_BITS 7
100 #define HASH_JOB_STATS_MAX_BITS 12
102 /* Timeout definitions */
103 #define OBD_TIMEOUT_DEFAULT 100
104 #define LDLM_TIMEOUT_DEFAULT 20
105 #define MDS_LDLM_TIMEOUT_DEFAULT 6
106 /* Time to wait for all clients to reconnect during recovery (hard limit) */
107 #define OBD_RECOVERY_TIME_HARD (obd_timeout * 9)
108 /* Time to wait for all clients to reconnect during recovery (soft limit) */
109 /* Should be very conservative; must catch the first reconnect after reboot */
110 #define OBD_RECOVERY_TIME_SOFT (obd_timeout * 3)
111 /* Change recovery-small 26b time if you change this */
112 #define PING_INTERVAL max(obd_timeout / 4, 1U)
113 /* a bit more than maximal journal commit time in seconds */
114 #define PING_INTERVAL_SHORT min(PING_INTERVAL, 7U)
115 /* Client may skip 1 ping; we must wait at least 2.5. But for multiple
116 * failover targets the client only pings one server at a time, and pings
117 * can be lost on a loaded network. Since eviction has serious consequences,
118 * and there's no urgent need to evict a client just because it's idle, we
119 * should be very conservative here. */
120 #define PING_EVICT_TIMEOUT (PING_INTERVAL * 6)
121 #define DISK_TIMEOUT 50 /* Beyond this we warn about disk speed */
122 #define CONNECTION_SWITCH_MIN 5U /* Connection switching rate limiter */
123 /* Max connect interval for nonresponsive servers; ~50s to avoid building up
124 connect requests in the LND queues, but within obd_timeout so we don't
125 miss the recovery window */
126 #define CONNECTION_SWITCH_MAX min(50U, max(CONNECTION_SWITCH_MIN,obd_timeout))
127 #define CONNECTION_SWITCH_INC 5 /* Connection timeout backoff */
128 /* In general this should be low to have quick detection of a system
129 running on a backup server. (If it's too low, import_select_connection
130 will increase the timeout anyhow.) */
131 #define INITIAL_CONNECT_TIMEOUT max(CONNECTION_SWITCH_MIN,obd_timeout/20)
132 /* The max delay between connects is SWITCH_MAX + SWITCH_INC + INITIAL */
133 #define RECONNECT_DELAY_MAX (CONNECTION_SWITCH_MAX + CONNECTION_SWITCH_INC + \
134 INITIAL_CONNECT_TIMEOUT)
135 /* The min time a target should wait for clients to reconnect in recovery */
136 #define OBD_RECOVERY_TIME_MIN (2*RECONNECT_DELAY_MAX)
137 #define OBD_IR_FACTOR_MIN 1
138 #define OBD_IR_FACTOR_MAX 10
139 #define OBD_IR_FACTOR_DEFAULT (OBD_IR_FACTOR_MAX/2)
140 /* default timeout for the MGS to become IR_FULL */
141 #define OBD_IR_MGS_TIMEOUT (4*obd_timeout)
142 #define LONG_UNLINK 300 /* Unlink should happen before now */
145 * Time interval of shrink, if the client is "idle" more than this interval,
146 * then the ll_grant thread will return the requested grant space to filter
148 #define GRANT_SHRINK_INTERVAL 1200/*20 minutes*/
150 #define OBD_FAIL_MDS 0x100
151 #define OBD_FAIL_MDS_HANDLE_UNPACK 0x101
152 #define OBD_FAIL_MDS_GETATTR_NET 0x102
153 #define OBD_FAIL_MDS_GETATTR_PACK 0x103
154 #define OBD_FAIL_MDS_READPAGE_NET 0x104
155 #define OBD_FAIL_MDS_READPAGE_PACK 0x105
156 #define OBD_FAIL_MDS_SENDPAGE 0x106
157 #define OBD_FAIL_MDS_REINT_NET 0x107
158 #define OBD_FAIL_MDS_REINT_UNPACK 0x108
159 #define OBD_FAIL_MDS_REINT_SETATTR 0x109
160 #define OBD_FAIL_MDS_REINT_SETATTR_WRITE 0x10a
161 #define OBD_FAIL_MDS_REINT_CREATE 0x10b
162 #define OBD_FAIL_MDS_REINT_CREATE_WRITE 0x10c
163 #define OBD_FAIL_MDS_REINT_UNLINK 0x10d
164 #define OBD_FAIL_MDS_REINT_UNLINK_WRITE 0x10e
165 #define OBD_FAIL_MDS_REINT_LINK 0x10f
166 #define OBD_FAIL_MDS_REINT_LINK_WRITE 0x110
167 #define OBD_FAIL_MDS_REINT_RENAME 0x111
168 #define OBD_FAIL_MDS_REINT_RENAME_WRITE 0x112
169 #define OBD_FAIL_MDS_OPEN_NET 0x113
170 #define OBD_FAIL_MDS_OPEN_PACK 0x114
171 #define OBD_FAIL_MDS_CLOSE_NET 0x115
172 #define OBD_FAIL_MDS_CLOSE_PACK 0x116
173 #define OBD_FAIL_MDS_CONNECT_NET 0x117
174 #define OBD_FAIL_MDS_CONNECT_PACK 0x118
175 #define OBD_FAIL_MDS_REINT_NET_REP 0x119
176 #define OBD_FAIL_MDS_DISCONNECT_NET 0x11a
177 #define OBD_FAIL_MDS_GET_ROOT_NET 0x11b
178 #define OBD_FAIL_MDS_GET_ROOT_PACK 0x11c
179 #define OBD_FAIL_MDS_STATFS_PACK 0x11d
180 #define OBD_FAIL_MDS_STATFS_SUM_PACK 0x11d
181 #define OBD_FAIL_MDS_STATFS_NET 0x11e
182 #define OBD_FAIL_MDS_STATFS_SUM_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
276 #define OBD_FAIL_OSD_INDEX_CRASH 0x199
278 #define OBD_FAIL_OSD_TXN_START 0x19a
280 #define OBD_FAIL_OFD_SET_OID 0x1e0
282 #define OBD_FAIL_OST 0x200
283 #define OBD_FAIL_OST_CONNECT_NET 0x201
284 #define OBD_FAIL_OST_DISCONNECT_NET 0x202
285 #define OBD_FAIL_OST_GET_INFO_NET 0x203
286 #define OBD_FAIL_OST_CREATE_NET 0x204
287 #define OBD_FAIL_OST_DESTROY_NET 0x205
288 #define OBD_FAIL_OST_GETATTR_NET 0x206
289 #define OBD_FAIL_OST_SETATTR_NET 0x207
290 #define OBD_FAIL_OST_OPEN_NET 0x208
291 #define OBD_FAIL_OST_CLOSE_NET 0x209
292 #define OBD_FAIL_OST_BRW_NET 0x20a
293 #define OBD_FAIL_OST_PUNCH_NET 0x20b
294 #define OBD_FAIL_OST_STATFS_NET 0x20c
295 #define OBD_FAIL_OST_HANDLE_UNPACK 0x20d
296 #define OBD_FAIL_OST_BRW_WRITE_BULK 0x20e
297 #define OBD_FAIL_OST_BRW_READ_BULK 0x20f
298 #define OBD_FAIL_OST_SYNC_NET 0x210
299 #define OBD_FAIL_OST_ALL_REPLY_NET 0x211
300 #define OBD_FAIL_OST_ALL_REQUEST_NET 0x212
301 #define OBD_FAIL_OST_LDLM_REPLY_NET 0x213
302 #define OBD_FAIL_OST_BRW_PAUSE_BULK 0x214
303 #define OBD_FAIL_OST_ENOSPC 0x215
304 #define OBD_FAIL_OST_EROFS 0x216
305 #define OBD_FAIL_SRV_ENOENT 0x217
306 /* OBD_FAIL_OST_QUOTACHECK_NET 0x218 obsolete since 2.4 */
307 #define OBD_FAIL_OST_QUOTACTL_NET 0x219
308 #define OBD_FAIL_OST_CHECKSUM_RECEIVE 0x21a
309 #define OBD_FAIL_OST_CHECKSUM_SEND 0x21b
310 #define OBD_FAIL_OST_BRW_SIZE 0x21c
311 #define OBD_FAIL_OST_DROP_REQ 0x21d
312 #define OBD_FAIL_OST_SETATTR_CREDITS 0x21e
313 #define OBD_FAIL_OST_HOLD_WRITE_RPC 0x21f
314 #define OBD_FAIL_OST_BRW_WRITE_BULK2 0x220
315 #define OBD_FAIL_OST_LLOG_RECOVERY_TIMEOUT 0x221
316 #define OBD_FAIL_OST_CANCEL_COOKIE_TIMEOUT 0x222
317 #define OBD_FAIL_OST_PAUSE_CREATE 0x223
318 #define OBD_FAIL_OST_BRW_PAUSE_PACK 0x224
319 #define OBD_FAIL_OST_CONNECT_NET2 0x225
320 #define OBD_FAIL_OST_NOMEM 0x226
321 #define OBD_FAIL_OST_BRW_PAUSE_BULK2 0x227
322 #define OBD_FAIL_OST_MAPBLK_ENOSPC 0x228
323 #define OBD_FAIL_OST_ENOINO 0x229
324 #define OBD_FAIL_OST_DQACQ_NET 0x230
325 #define OBD_FAIL_OST_STATFS_EINPROGRESS 0x231
326 #define OBD_FAIL_OST_SET_INFO_NET 0x232
327 #define OBD_FAIL_OST_NODESTROY 0x233
328 #define OBD_FAIL_OST_READ_SIZE 0x234
329 #define OBD_FAIL_OST_LADVISE_NET 0x235
330 #define OBD_FAIL_OST_PAUSE_PUNCH 0x236
331 #define OBD_FAIL_OST_LADVISE_PAUSE 0x237
332 #define OBD_FAIL_OST_FAKE_RW 0x238
333 #define OBD_FAIL_OST_LIST_ASSERT 0x239
334 #define OBD_FAIL_OST_GL_WORK_ALLOC 0x240
335 #define OBD_FAIL_OST_SKIP_LV_CHECK 0x241
336 #define OBD_FAIL_OST_STATFS_DELAY 0x242
337 #define OBD_FAIL_OST_INTEGRITY_FAULT 0x243
339 #define OBD_FAIL_LDLM 0x300
340 #define OBD_FAIL_LDLM_NAMESPACE_NEW 0x301
341 #define OBD_FAIL_LDLM_ENQUEUE_NET 0x302
342 #define OBD_FAIL_LDLM_CONVERT_NET 0x303
343 #define OBD_FAIL_LDLM_CANCEL_NET 0x304
344 #define OBD_FAIL_LDLM_BL_CALLBACK_NET 0x305
345 #define OBD_FAIL_LDLM_CP_CALLBACK_NET 0x306
346 #define OBD_FAIL_LDLM_GL_CALLBACK_NET 0x307
347 #define OBD_FAIL_LDLM_ENQUEUE_EXTENT_ERR 0x308
348 #define OBD_FAIL_LDLM_ENQUEUE_INTENT_ERR 0x309
349 #define OBD_FAIL_LDLM_CREATE_RESOURCE 0x30a
350 #define OBD_FAIL_LDLM_ENQUEUE_BLOCKED 0x30b
351 #define OBD_FAIL_LDLM_REPLY 0x30c
352 #define OBD_FAIL_LDLM_RECOV_CLIENTS 0x30d
353 #define OBD_FAIL_LDLM_ENQUEUE_OLD_EXPORT 0x30e
354 #define OBD_FAIL_LDLM_GLIMPSE 0x30f
355 #define OBD_FAIL_LDLM_CANCEL_RACE 0x310
356 #define OBD_FAIL_LDLM_CANCEL_EVICT_RACE 0x311
357 #define OBD_FAIL_LDLM_PAUSE_CANCEL 0x312
358 #define OBD_FAIL_LDLM_CLOSE_THREAD 0x313
359 #define OBD_FAIL_LDLM_CANCEL_BL_CB_RACE 0x314
360 #define OBD_FAIL_LDLM_CP_CB_WAIT 0x315
361 #define OBD_FAIL_LDLM_OST_FAIL_RACE 0x316
362 #define OBD_FAIL_LDLM_INTR_CP_AST 0x317
363 #define OBD_FAIL_LDLM_CP_BL_RACE 0x318
364 #define OBD_FAIL_LDLM_NEW_LOCK 0x319
365 #define OBD_FAIL_LDLM_AGL_DELAY 0x31a
366 #define OBD_FAIL_LDLM_AGL_NOLOCK 0x31b
367 #define OBD_FAIL_LDLM_OST_LVB 0x31c
368 #define OBD_FAIL_LDLM_ENQUEUE_HANG 0x31d
369 #define OBD_FAIL_LDLM_BL_EVICT 0x31e
370 #define OBD_FAIL_LDLM_PAUSE_CANCEL2 0x31f
371 #define OBD_FAIL_LDLM_CP_CB_WAIT2 0x320
372 #define OBD_FAIL_LDLM_CP_CB_WAIT3 0x321
373 #define OBD_FAIL_LDLM_CP_CB_WAIT4 0x322
374 #define OBD_FAIL_LDLM_CP_CB_WAIT5 0x323
375 #define OBD_FAIL_LDLM_SRV_BL_AST 0x324
376 #define OBD_FAIL_LDLM_SRV_CP_AST 0x325
377 #define OBD_FAIL_LDLM_SRV_GL_AST 0x326
378 #define OBD_FAIL_LDLM_WATERMARK_LOW 0x327
379 #define OBD_FAIL_LDLM_WATERMARK_HIGH 0x328
381 #define OBD_FAIL_LDLM_GRANT_CHECK 0x32a
382 #define OBD_FAIL_LDLM_PROLONG_PAUSE 0x32b
385 #define OBD_FAIL_LDLM_SET_CONTENTION 0x385
387 #define OBD_FAIL_OSC 0x400
388 #define OBD_FAIL_OSC_BRW_READ_BULK 0x401
389 #define OBD_FAIL_OSC_BRW_WRITE_BULK 0x402
390 #define OBD_FAIL_OSC_LOCK_BL_AST 0x403
391 #define OBD_FAIL_OSC_LOCK_CP_AST 0x404
392 #define OBD_FAIL_OSC_MATCH 0x405
393 #define OBD_FAIL_OSC_BRW_PREP_REQ 0x406
394 #define OBD_FAIL_OSC_SHUTDOWN 0x407
395 #define OBD_FAIL_OSC_CHECKSUM_RECEIVE 0x408
396 #define OBD_FAIL_OSC_CHECKSUM_SEND 0x409
397 #define OBD_FAIL_OSC_BRW_PREP_REQ2 0x40a
398 /* #define OBD_FAIL_OSC_CONNECT_CKSUM 0x40b Obsolete since 2.9 */
399 #define OBD_FAIL_OSC_CKSUM_ADLER_ONLY 0x40c
400 #define OBD_FAIL_OSC_DIO_PAUSE 0x40d
401 #define OBD_FAIL_OSC_OBJECT_CONTENTION 0x40e
402 #define OBD_FAIL_OSC_CP_CANCEL_RACE 0x40f
403 #define OBD_FAIL_OSC_CP_ENQ_RACE 0x410
404 #define OBD_FAIL_OSC_NO_GRANT 0x411
405 #define OBD_FAIL_OSC_DELAY_SETTIME 0x412
406 #define OBD_FAIL_OSC_CONNECT_GRANT_PARAM 0x413
407 #define OBD_FAIL_OSC_DELAY_IO 0x414
409 #define OBD_FAIL_PTLRPC 0x500
410 #define OBD_FAIL_PTLRPC_ACK 0x501
411 #define OBD_FAIL_PTLRPC_RQBD 0x502
412 #define OBD_FAIL_PTLRPC_BULK_GET_NET 0x503
413 #define OBD_FAIL_PTLRPC_BULK_PUT_NET 0x504
414 #define OBD_FAIL_PTLRPC_DROP_RPC 0x505
415 #define OBD_FAIL_PTLRPC_DELAY_SEND 0x506
416 #define OBD_FAIL_PTLRPC_DELAY_RECOV 0x507
417 #define OBD_FAIL_PTLRPC_CLIENT_BULK_CB 0x508
418 #define OBD_FAIL_PTLRPC_PAUSE_REQ 0x50a
419 #define OBD_FAIL_PTLRPC_PAUSE_REP 0x50c
420 #define OBD_FAIL_PTLRPC_IMP_DEACTIVE 0x50d
421 #define OBD_FAIL_PTLRPC_DUMP_LOG 0x50e
422 #define OBD_FAIL_PTLRPC_LONG_REPL_UNLINK 0x50f
423 #define OBD_FAIL_PTLRPC_LONG_BULK_UNLINK 0x510
424 #define OBD_FAIL_PTLRPC_HPREQ_TIMEOUT 0x511
425 #define OBD_FAIL_PTLRPC_HPREQ_NOTIMEOUT 0x512
426 #define OBD_FAIL_PTLRPC_DROP_REQ_OPC 0x513
427 #define OBD_FAIL_PTLRPC_FINISH_REPLAY 0x514
428 #define OBD_FAIL_PTLRPC_CLIENT_BULK_CB2 0x515
429 #define OBD_FAIL_PTLRPC_DELAY_IMP_FULL 0x516
430 #define OBD_FAIL_PTLRPC_CANCEL_RESEND 0x517
431 #define OBD_FAIL_PTLRPC_DROP_BULK 0x51a
432 #define OBD_FAIL_PTLRPC_LONG_REQ_UNLINK 0x51b
433 #define OBD_FAIL_PTLRPC_LONG_BOTH_UNLINK 0x51c
434 #define OBD_FAIL_PTLRPC_CLIENT_BULK_CB3 0x520
435 #define OBD_FAIL_PTLRPC_BULK_ATTACH 0x521
437 #define OBD_FAIL_OBD_PING_NET 0x600
438 /* OBD_FAIL_OBD_LOG_CANCEL_NET 0x601 obsolete since 1.5 */
439 #define OBD_FAIL_OBD_LOGD_NET 0x602
440 /* OBD_FAIL_OBD_QC_CALLBACK_NET 0x603 obsolete since 2.4 */
441 #define OBD_FAIL_OBD_DQACQ 0x604
442 #define OBD_FAIL_OBD_LLOG_SETUP 0x605
443 /* OBD_FAIL_OBD_LOG_CANCEL_REP 0x606 obsolete since 1.5 */
444 #define OBD_FAIL_OBD_IDX_READ_NET 0x607
445 #define OBD_FAIL_OBD_IDX_READ_BREAK 0x608
446 #define OBD_FAIL_OBD_NO_LRU 0x609
447 #define OBD_FAIL_OBDCLASS_MODULE_LOAD 0x60a
449 #define OBD_FAIL_TGT_REPLY_NET 0x700
450 #define OBD_FAIL_TGT_CONN_RACE 0x701
451 #define OBD_FAIL_TGT_FORCE_RECONNECT 0x702
452 #define OBD_FAIL_TGT_DELAY_CONNECT 0x703
453 #define OBD_FAIL_TGT_DELAY_RECONNECT 0x704
454 #define OBD_FAIL_TGT_DELAY_PRECREATE 0x705
455 #define OBD_FAIL_TGT_TOOMANY_THREADS 0x706
456 #define OBD_FAIL_TGT_REPLAY_DROP 0x707
457 #define OBD_FAIL_TGT_FAKE_EXP 0x708
458 #define OBD_FAIL_TGT_REPLAY_DELAY 0x709
459 /* #define OBD_FAIL_TGT_LAST_REPLAY 0x710 (obsoleted) */
460 #define OBD_FAIL_TGT_CLIENT_ADD 0x711
461 #define OBD_FAIL_TGT_RCVG_FLAG 0x712
462 #define OBD_FAIL_TGT_DELAY_CONDITIONAL 0x713
463 #define OBD_FAIL_TGT_REPLAY_DELAY2 0x714
464 #define OBD_FAIL_TGT_REPLAY_RECONNECT 0x715
465 #define OBD_FAIL_TGT_MOUNT_RACE 0x716
466 #define OBD_FAIL_TGT_REPLAY_TIMEOUT 0x717
467 #define OBD_FAIL_TGT_CLIENT_DEL 0x718
468 #define OBD_FAIL_TGT_SLUGGISH_NET 0x719
469 #define OBD_FAIL_TGT_RCVD_EIO 0x720
470 #define OBD_FAIL_TGT_RECOVERY_REQ_RACE 0x721
471 #define OBD_FAIL_TGT_REPLY_DATA_RACE 0x722
473 #define OBD_FAIL_MDC_REVALIDATE_PAUSE 0x800
474 #define OBD_FAIL_MDC_ENQUEUE_PAUSE 0x801
475 #define OBD_FAIL_MDC_OLD_EXT_FLAGS 0x802
476 #define OBD_FAIL_MDC_GETATTR_ENQUEUE 0x803
477 #define OBD_FAIL_MDC_RPCS_SEM 0x804 /* deprecated */
478 #define OBD_FAIL_MDC_LIGHTWEIGHT 0x805
479 #define OBD_FAIL_MDC_CLOSE 0x806
480 #define OBD_FAIL_MDC_MERGE 0x807
482 #define OBD_FAIL_MGS 0x900
483 #define OBD_FAIL_MGS_ALL_REQUEST_NET 0x901
484 #define OBD_FAIL_MGS_ALL_REPLY_NET 0x902
485 #define OBD_FAIL_MGC_PAUSE_PROCESS_LOG 0x903
486 #define OBD_FAIL_MGS_PAUSE_REQ 0x904
487 #define OBD_FAIL_MGS_PAUSE_TARGET_REG 0x905
488 #define OBD_FAIL_MGS_CONNECT_NET 0x906
489 #define OBD_FAIL_MGS_DISCONNECT_NET 0x907
490 #define OBD_FAIL_MGS_SET_INFO_NET 0x908
491 #define OBD_FAIL_MGS_EXCEPTION_NET 0x909
492 #define OBD_FAIL_MGS_TARGET_REG_NET 0x90a
493 #define OBD_FAIL_MGS_TARGET_DEL_NET 0x90b
494 #define OBD_FAIL_MGS_CONFIG_READ_NET 0x90c
495 #define OBD_FAIL_MGS_LDLM_REPLY_NET 0x90d
496 #define OBD_FAIL_MGS_WRITE_TARGET_DELAY 0x90e
498 #define OBD_FAIL_QUOTA_DQACQ_NET 0xA01
499 #define OBD_FAIL_QUOTA_EDQUOT 0xA02
500 #define OBD_FAIL_QUOTA_DELAY_REINT 0xA03
501 #define OBD_FAIL_QUOTA_RECOVERABLE_ERR 0xA04
503 #define OBD_FAIL_LPROC_REMOVE 0xB00
505 #define OBD_FAIL_SEQ 0x1000
506 #define OBD_FAIL_SEQ_QUERY_NET 0x1001
507 #define OBD_FAIL_SEQ_EXHAUST 0x1002
509 #define OBD_FAIL_FLD 0x1100
510 #define OBD_FAIL_FLD_QUERY_NET 0x1101
511 #define OBD_FAIL_FLD_READ_NET 0x1102
513 #define OBD_FAIL_SEC_CTX 0x1200
514 #define OBD_FAIL_SEC_CTX_INIT_NET 0x1201
515 #define OBD_FAIL_SEC_CTX_INIT_CONT_NET 0x1202
516 #define OBD_FAIL_SEC_CTX_FINI_NET 0x1203
517 #define OBD_FAIL_SEC_CTX_HDL_PAUSE 0x1204
519 #define OBD_FAIL_LLOG 0x1300
520 /* was OBD_FAIL_LLOG_ORIGIN_CONNECT_NET 0x1301 until 2.4 */
521 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_CREATE_NET 0x1302
522 /* was OBD_FAIL_LLOG_ORIGIN_HANDLE_DESTROY_NET 0x1303 until 2.11 */
523 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_READ_HEADER_NET 0x1304
524 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_NEXT_BLOCK_NET 0x1305
525 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_PREV_BLOCK_NET 0x1306
526 /* was OBD_FAIL_LLOG_ORIGIN_HANDLE_WRITE_REC_NET 0x1307 until 2.1 */
527 /* was OBD_FAIL_LLOG_ORIGIN_HANDLE_CLOSE_NET 0x1308 until 1.8 */
528 /* was OBD_FAIL_LLOG_CATINFO_NET 0x1309 until 2.3 */
529 #define OBD_FAIL_MDS_SYNC_CAPA_SL 0x1310
530 #define OBD_FAIL_SEQ_ALLOC 0x1311
531 #define OBD_FAIL_CAT_RECORDS 0x1312
532 #define OBD_FAIL_CAT_FREE_RECORDS 0x1313
533 #define OBD_FAIL_TIME_IN_CHLOG_USER 0x1314
534 #define CFS_FAIL_CHLOG_USER_REG_UNREG_RACE 0x1315
535 #define OBD_FAIL_FORCE_GC_THREAD 0x1316
536 #define OBD_FAIL_LLOG_PROCESS_TIMEOUT 0x1317
538 #define OBD_FAIL_LLITE 0x1400
539 #define OBD_FAIL_LLITE_FAULT_TRUNC_RACE 0x1401
540 #define OBD_FAIL_LOCK_STATE_WAIT_INTR 0x1402
541 #define OBD_FAIL_LOV_INIT 0x1403
542 #define OBD_FAIL_GLIMPSE_DELAY 0x1404
543 #define OBD_FAIL_LLITE_XATTR_ENOMEM 0x1405
544 #define OBD_FAIL_MAKE_LOVEA_HOLE 0x1406
545 #define OBD_FAIL_LLITE_LOST_LAYOUT 0x1407
546 #define OBD_FAIL_LLITE_NO_CHECK_DEAD 0x1408
547 #define OBD_FAIL_GETATTR_DELAY 0x1409
548 #define OBD_FAIL_LLITE_CREATE_FILE_PAUSE 0x1409
549 #define OBD_FAIL_LLITE_NEWNODE_PAUSE 0x140a
550 #define OBD_FAIL_LLITE_SETDIRSTRIPE_PAUSE 0x140b
551 #define OBD_FAIL_LLITE_CREATE_NODE_PAUSE 0x140c
552 #define OBD_FAIL_LLITE_PTASK_IO_FAIL 0x140d
553 #define OBD_FAIL_LLITE_IMUTEX_SEC 0x140e
554 #define OBD_FAIL_LLITE_IMUTEX_NOSEC 0x140f
556 #define OBD_FAIL_FID_INDIR 0x1501
557 #define OBD_FAIL_FID_INLMA 0x1502
558 #define OBD_FAIL_FID_IGIF 0x1504
559 #define OBD_FAIL_FID_LOOKUP 0x1505
560 #define OBD_FAIL_FID_NOLMA 0x1506
563 #define OBD_FAIL_LFSCK_DELAY1 0x1600
564 #define OBD_FAIL_LFSCK_DELAY2 0x1601
565 #define OBD_FAIL_LFSCK_DELAY3 0x1602
566 #define OBD_FAIL_LFSCK_LINKEA_CRASH 0x1603
567 #define OBD_FAIL_LFSCK_LINKEA_MORE 0x1604
568 #define OBD_FAIL_LFSCK_LINKEA_MORE2 0x1605
569 #define OBD_FAIL_LFSCK_FATAL1 0x1608
570 #define OBD_FAIL_LFSCK_FATAL2 0x1609
571 #define OBD_FAIL_LFSCK_CRASH 0x160a
572 #define OBD_FAIL_LFSCK_NO_AUTO 0x160b
573 #define OBD_FAIL_LFSCK_NO_DOUBLESCAN 0x160c
574 #define OBD_FAIL_LFSCK_SKIP_LASTID 0x160d
575 #define OBD_FAIL_LFSCK_DELAY4 0x160e
576 #define OBD_FAIL_LFSCK_BAD_LMMOI 0x160f
577 #define OBD_FAIL_LFSCK_DANGLING 0x1610
578 #define OBD_FAIL_LFSCK_UNMATCHED_PAIR1 0x1611
579 #define OBD_FAIL_LFSCK_UNMATCHED_PAIR2 0x1612
580 #define OBD_FAIL_LFSCK_BAD_OWNER 0x1613
581 #define OBD_FAIL_LFSCK_MULTIPLE_REF 0x1614
582 #define OBD_FAIL_LFSCK_LOST_STRIPE 0x1615
583 #define OBD_FAIL_LFSCK_LOST_MDTOBJ 0x1616
584 #define OBD_FAIL_LFSCK_NOPFID 0x1617
585 #define OBD_FAIL_LFSCK_CHANGE_STRIPE 0x1618
586 #define OBD_FAIL_LFSCK_INVALID_PFID 0x1619
587 #define OBD_FAIL_LFSCK_LOST_SPEOBJ 0x161a
588 #define OBD_FAIL_LFSCK_DELAY5 0x161b
589 #define OBD_FAIL_LFSCK_BAD_NETWORK 0x161c
590 #define OBD_FAIL_LFSCK_NO_LINKEA 0x161d
591 #define OBD_FAIL_LFSCK_BAD_PARENT 0x161e
592 #define OBD_FAIL_LFSCK_DANGLING2 0x1620
593 #define OBD_FAIL_LFSCK_DANGLING3 0x1621
594 #define OBD_FAIL_LFSCK_MUL_REF 0x1622
595 #define OBD_FAIL_LFSCK_BAD_TYPE 0x1623
596 #define OBD_FAIL_LFSCK_NO_NAMEENTRY 0x1624
597 #define OBD_FAIL_LFSCK_LESS_NLINK 0x1626
598 #define OBD_FAIL_LFSCK_BAD_NAME_HASH 0x1628
599 #define OBD_FAIL_LFSCK_LOST_MASTER_LMV 0x1629
600 #define OBD_FAIL_LFSCK_LOST_SLAVE_LMV 0x162a
601 #define OBD_FAIL_LFSCK_BAD_SLAVE_LMV 0x162b
602 #define OBD_FAIL_LFSCK_BAD_SLAVE_NAME 0x162c
603 #define OBD_FAIL_LFSCK_ENGINE_DELAY 0x162d
604 #define OBD_FAIL_LFSCK_LOST_MDTOBJ2 0x162e
605 #define OBD_FAIL_LFSCK_BAD_PFL_RANGE 0x162f
606 #define OBD_FAIL_LFSCK_NO_AGENTOBJ 0x1630
607 #define OBD_FAIL_LFSCK_NO_AGENTENT 0x1631
609 #define OBD_FAIL_LFSCK_NOTIFY_NET 0x16f0
610 #define OBD_FAIL_LFSCK_QUERY_NET 0x16f1
613 #define OBD_FAIL_OUT_UPDATE_NET 0x1700
614 #define OBD_FAIL_OUT_UPDATE_NET_REP 0x1701
615 #define OBD_FAIL_SPLIT_UPDATE_REC 0x1702
616 #define OBD_FAIL_LARGE_STRIPE 0x1703
617 #define OBD_FAIL_OUT_ENOSPC 0x1704
618 #define OBD_FAIL_INVALIDATE_UPDATE 0x1705
621 #define OBD_FAIL_MIGRATE_ENTRIES 0x1801
624 #define OBD_FAIL_UNKNOWN_LMV_STRIPE 0x1901
627 #define OBD_FAIL_FLR_GLIMPSE_IMMUTABLE 0x1A00
628 #define OBD_FAIL_FLR_LV_DELAY 0x1A01
629 #define OBD_FAIL_FLR_LV_INC 0x1A02
630 #define OBD_FAIL_FLR_RANDOM_PICK_MIRROR 0x1A03
633 #define OBD_FAIL_DT_DECLARE_ATTR_GET 0x2000
634 #define OBD_FAIL_DT_ATTR_GET 0x2001
635 #define OBD_FAIL_DT_DECLARE_ATTR_SET 0x2002
636 #define OBD_FAIL_DT_ATTR_SET 0x2003
637 #define OBD_FAIL_DT_DECLARE_XATTR_GET 0x2004
638 #define OBD_FAIL_DT_XATTR_GET 0x2005
639 #define OBD_FAIL_DT_DECLARE_XATTR_SET 0x2006
640 #define OBD_FAIL_DT_XATTR_SET 0x2007
641 #define OBD_FAIL_DT_DECLARE_XATTR_DEL 0x2008
642 #define OBD_FAIL_DT_XATTR_DEL 0x2009
643 #define OBD_FAIL_DT_XATTR_LIST 0x200a
644 #define OBD_FAIL_DT_DECLARE_CREATE 0x200b
645 #define OBD_FAIL_DT_CREATE 0x200c
646 #define OBD_FAIL_DT_DECLARE_DESTROY 0x200d
647 #define OBD_FAIL_DT_DESTROY 0x200e
648 #define OBD_FAIL_DT_INDEX_TRY 0x200f
649 #define OBD_FAIL_DT_DECLARE_REF_ADD 0x2010
650 #define OBD_FAIL_DT_REF_ADD 0x2011
651 #define OBD_FAIL_DT_DECLARE_REF_DEL 0x2012
652 #define OBD_FAIL_DT_REF_DEL 0x2013
653 #define OBD_FAIL_DT_DECLARE_INSERT 0x2014
654 #define OBD_FAIL_DT_INSERT 0x2015
655 #define OBD_FAIL_DT_DECLARE_DELETE 0x2016
656 #define OBD_FAIL_DT_DELETE 0x2017
657 #define OBD_FAIL_DT_LOOKUP 0x2018
658 #define OBD_FAIL_DT_TXN_STOP 0x2019
660 #define OBD_FAIL_OSP_CHECK_INVALID_REC 0x2100
661 #define OBD_FAIL_OSP_CHECK_ENOMEM 0x2101
662 #define OBD_FAIL_OSP_FAKE_PRECREATE 0x2102
663 #define OBD_FAIL_OSP_RPCS_SEM 0x2104
666 #define OBD_FAIL_MGS_BARRIER_READ_NET 0x2200
667 #define OBD_FAIL_MGS_BARRIER_NOTIFY_NET 0x2201
669 #define OBD_FAIL_BARRIER_DELAY 0x2202
670 #define OBD_FAIL_BARRIER_FAILURE 0x2203
672 #define OBD_FAIL_OSD_FAIL_AT_TRUNCATE 0x2301
674 /* Assign references to moved code to reduce code changes */
675 #define OBD_FAIL_PRECHECK(id) CFS_FAIL_PRECHECK(id)
676 #define OBD_FAIL_CHECK(id) CFS_FAIL_CHECK(id)
677 #define OBD_FAIL_CHECK_VALUE(id, value) CFS_FAIL_CHECK_VALUE(id, value)
678 #define OBD_FAIL_CHECK_ORSET(id, value) CFS_FAIL_CHECK_ORSET(id, value)
679 #define OBD_FAIL_CHECK_RESET(id, value) CFS_FAIL_CHECK_RESET(id, value)
680 #define OBD_FAIL_RETURN(id, ret) CFS_FAIL_RETURN(id, ret)
681 #define OBD_FAIL_TIMEOUT(id, secs) CFS_FAIL_TIMEOUT(id, secs)
682 #define OBD_FAIL_TIMEOUT_MS(id, ms) CFS_FAIL_TIMEOUT_MS(id, ms)
683 #define OBD_FAIL_TIMEOUT_ORSET(id, value, secs) CFS_FAIL_TIMEOUT_ORSET(id, value, secs)
684 #define OBD_RACE(id) CFS_RACE(id)
685 #define OBD_FAIL_ONCE CFS_FAIL_ONCE
686 #define OBD_FAILED CFS_FAILED
688 #define LUT_FAIL_CLASS(fail_id) (((fail_id) >> 8) << 16)
689 #define LUT_FAIL_MGT LUT_FAIL_CLASS(OBD_FAIL_MGS)
690 #define LUT_FAIL_MDT LUT_FAIL_CLASS(OBD_FAIL_MDS)
691 #define LUT_FAIL_OST LUT_FAIL_CLASS(OBD_FAIL_OST)
693 extern atomic_t libcfs_kmemory;
695 #ifdef CONFIG_PROC_FS
696 #define obd_memory_add(size) \
697 lprocfs_counter_add(obd_memory, OBD_MEMORY_STAT, (long)(size))
698 #define obd_memory_sub(size) \
699 lprocfs_counter_sub(obd_memory, OBD_MEMORY_STAT, (long)(size))
700 #define obd_memory_sum() \
701 lprocfs_stats_collector(obd_memory, OBD_MEMORY_STAT, \
702 LPROCFS_FIELDS_FLAGS_SUM)
704 extern void obd_update_maxusage(void);
705 extern __u64 obd_memory_max(void);
707 #else /* CONFIG_PROC_FS */
709 extern __u64 obd_alloc;
711 extern __u64 obd_max_alloc;
713 static inline void obd_memory_add(long size)
716 if (obd_alloc > obd_max_alloc)
717 obd_max_alloc = obd_alloc;
720 static inline void obd_memory_sub(long size)
725 #define obd_memory_sum() (obd_alloc)
727 #define obd_memory_max() (obd_max_alloc)
729 #endif /* !CONFIG_PROC_FS */
731 #define OBD_DEBUG_MEMUSAGE (1)
733 #if OBD_DEBUG_MEMUSAGE
734 #define OBD_ALLOC_POST(ptr, size, name) \
735 obd_memory_add(size); \
736 CDEBUG(D_MALLOC, name " '" #ptr "': %d at %p.\n", \
739 #define OBD_FREE_PRE(ptr, size, name) \
741 obd_memory_sub(size); \
742 CDEBUG(D_MALLOC, name " '" #ptr "': %d at %p.\n", \
744 POISON(ptr, 0x5a, size)
746 #else /* !OBD_DEBUG_MEMUSAGE */
748 #define OBD_ALLOC_POST(ptr, size, name) ((void)0)
749 #define OBD_FREE_PRE(ptr, size, name) ((void)0)
751 #endif /* !OBD_DEBUG_MEMUSAGE */
753 #define __OBD_MALLOC_VERBOSE(ptr, cptab, cpt, size, flags) \
755 (ptr) = (cptab) == NULL ? \
756 kmalloc(size, (flags) | __GFP_ZERO) : \
757 cfs_cpt_malloc(cptab, cpt, size, (flags) | __GFP_ZERO); \
758 if (likely((ptr) != NULL)) \
759 OBD_ALLOC_POST(ptr, size, "kmalloced"); \
762 #define OBD_ALLOC_GFP(ptr, size, gfp_mask) \
763 __OBD_MALLOC_VERBOSE(ptr, NULL, 0, size, gfp_mask)
765 #define OBD_ALLOC(ptr, size) OBD_ALLOC_GFP(ptr, size, GFP_NOFS)
766 #define OBD_ALLOC_WAIT(ptr, size) OBD_ALLOC_GFP(ptr, size, GFP_KERNEL)
767 #define OBD_ALLOC_PTR(ptr) OBD_ALLOC(ptr, sizeof *(ptr))
768 #define OBD_ALLOC_PTR_WAIT(ptr) OBD_ALLOC_WAIT(ptr, sizeof *(ptr))
770 #define OBD_CPT_ALLOC_GFP(ptr, cptab, cpt, size, gfp_mask) \
771 __OBD_MALLOC_VERBOSE(ptr, cptab, cpt, size, gfp_mask)
773 #define OBD_CPT_ALLOC(ptr, cptab, cpt, size) \
774 OBD_CPT_ALLOC_GFP(ptr, cptab, cpt, size, GFP_NOFS)
776 #define OBD_CPT_ALLOC_PTR(ptr, cptab, cpt) \
777 OBD_CPT_ALLOC(ptr, cptab, cpt, sizeof *(ptr))
779 /* Direct use of __vmalloc() allows for protection flag specification
780 * (and particularly to not set __GFP_FS, which is likely to cause some
781 * deadlock situations in our code).
783 #define __OBD_VMALLOC_VERBOSE(ptr, cptab, cpt, size) \
785 (ptr) = cptab == NULL ? \
786 __vmalloc(size, GFP_NOFS | __GFP_HIGHMEM | __GFP_ZERO, \
788 cfs_cpt_vzalloc(cptab, cpt, size); \
789 if (unlikely((ptr) == NULL)) { \
790 CERROR("vmalloc of '" #ptr "' (%d bytes) failed\n", \
792 CERROR("%llu total bytes allocated by Lustre, %d by LNET\n", \
793 obd_memory_sum(), atomic_read(&libcfs_kmemory)); \
795 OBD_ALLOC_POST(ptr, size, "vmalloced"); \
799 #define OBD_VMALLOC(ptr, size) \
800 __OBD_VMALLOC_VERBOSE(ptr, NULL, 0, size)
801 #define OBD_CPT_VMALLOC(ptr, cptab, cpt, size) \
802 __OBD_VMALLOC_VERBOSE(ptr, cptab, cpt, size)
804 #define OBD_ALLOC_LARGE(ptr, size) \
806 /* LU-8196 - force large allocations to use vmalloc, not kmalloc */ \
807 if ((size) > KMALLOC_MAX_SIZE) \
810 OBD_ALLOC_GFP(ptr, size, GFP_NOFS | __GFP_NOWARN); \
812 OBD_VMALLOC(ptr, size); \
815 #define OBD_CPT_ALLOC_LARGE(ptr, cptab, cpt, size) \
817 OBD_CPT_ALLOC_GFP(ptr, cptab, cpt, size, GFP_NOFS | __GFP_NOWARN); \
819 OBD_CPT_VMALLOC(ptr, cptab, cpt, size); \
822 #ifdef CONFIG_DEBUG_SLAB
823 #define POISON(ptr, c, s) do {} while (0)
824 #define POISON_PTR(ptr) ((void)0)
826 #define POISON(ptr, c, s) memset(ptr, c, s)
827 #define POISON_PTR(ptr) (ptr) = (void *)0xdeadbeef
831 #define POISON_PAGE(page, val) do { memset(kmap(page), val, PAGE_SIZE); \
832 kunmap(page); } while (0)
834 #define POISON_PAGE(page, val) do { } while (0)
837 #define OBD_FREE(ptr, size) \
839 OBD_FREE_PRE(ptr, size, "kfreed"); \
844 #define OBD_FREE_LARGE(ptr, size) \
846 if (is_vmalloc_addr(ptr)) { \
847 OBD_FREE_PRE(ptr, size, "vfreed"); \
851 OBD_FREE(ptr, size); \
855 #define OBD_FREE_RCU(ptr, size, handle) \
857 struct portals_handle *__h = (handle); \
859 LASSERT(handle != NULL); \
860 __h->h_cookie = (unsigned long)(ptr); \
861 __h->h_size = (size); \
862 call_rcu(&__h->h_rcu, class_handle_free_cb); \
866 /* we memset() the slab object to 0 when allocation succeeds, so DO NOT
867 * HAVE A CTOR THAT DOES ANYTHING. its work will be cleared here. we'd
868 * love to assert on that, but slab.c keeps kmem_cache_s all to itself. */
869 #define OBD_SLAB_FREE_RTN0(ptr, slab) \
871 kmem_cache_free((slab), (ptr)); \
876 #define __OBD_SLAB_ALLOC_VERBOSE(ptr, slab, cptab, cpt, size, type) \
878 LASSERT(ergo((type) != GFP_ATOMIC, !in_interrupt())); \
879 (ptr) = (cptab) == NULL ? \
880 kmem_cache_alloc(slab, (type) | __GFP_ZERO) : \
881 cfs_mem_cache_cpt_alloc(slab, cptab, cpt, (type) | __GFP_ZERO); \
883 OBD_ALLOC_POST(ptr, size, "slab-alloced"); \
886 #define OBD_SLAB_ALLOC_GFP(ptr, slab, size, flags) \
887 __OBD_SLAB_ALLOC_VERBOSE(ptr, slab, NULL, 0, size, flags)
888 #define OBD_SLAB_CPT_ALLOC_GFP(ptr, slab, cptab, cpt, size, flags) \
889 __OBD_SLAB_ALLOC_VERBOSE(ptr, slab, cptab, cpt, size, flags)
891 #define OBD_FREE_PTR(ptr) OBD_FREE(ptr, sizeof *(ptr))
893 #define OBD_SLAB_FREE(ptr, slab, size) \
895 OBD_FREE_PRE(ptr, size, "slab-freed"); \
896 kmem_cache_free(slab, ptr); \
900 #define OBD_SLAB_ALLOC(ptr, slab, size) \
901 OBD_SLAB_ALLOC_GFP(ptr, slab, size, GFP_NOFS)
903 #define OBD_SLAB_CPT_ALLOC(ptr, slab, cptab, cpt, size) \
904 OBD_SLAB_CPT_ALLOC_GFP(ptr, slab, cptab, cpt, size, GFP_NOFS)
906 #define OBD_SLAB_ALLOC_PTR(ptr, slab) \
907 OBD_SLAB_ALLOC(ptr, slab, sizeof *(ptr))
909 #define OBD_SLAB_CPT_ALLOC_PTR(ptr, slab, cptab, cpt) \
910 OBD_SLAB_CPT_ALLOC(ptr, slab, cptab, cpt, sizeof *(ptr))
912 #define OBD_SLAB_ALLOC_PTR_GFP(ptr, slab, flags) \
913 OBD_SLAB_ALLOC_GFP(ptr, slab, sizeof *(ptr), flags)
915 #define OBD_SLAB_CPT_ALLOC_PTR_GFP(ptr, slab, cptab, cpt, flags) \
916 OBD_SLAB_CPT_ALLOC_GFP(ptr, slab, cptab, cpt, sizeof *(ptr), flags)
918 #define OBD_SLAB_FREE_PTR(ptr, slab) \
919 OBD_SLAB_FREE((ptr), (slab), sizeof *(ptr))
921 #define KEY_IS(str) \
922 (keylen >= (sizeof(str)-1) && memcmp(key, str, (sizeof(str)-1)) == 0)
924 /* LUSTRE_LMA_FL_MASKS defines which flags will be stored in LMA */
926 static inline int lma_to_lustre_flags(__u32 lma_flags)
928 return (lma_flags & LMAI_ORPHAN) ? LUSTRE_ORPHAN_FL : 0;
931 static inline int lustre_to_lma_flags(__u32 la_flags)
933 return (la_flags & LUSTRE_ORPHAN_FL) ? LMAI_ORPHAN : 0;