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
276 #define OBD_FAIL_OSD_INDEX_CRASH 0x199
278 #define OBD_FAIL_OST 0x200
279 #define OBD_FAIL_OST_CONNECT_NET 0x201
280 #define OBD_FAIL_OST_DISCONNECT_NET 0x202
281 #define OBD_FAIL_OST_GET_INFO_NET 0x203
282 #define OBD_FAIL_OST_CREATE_NET 0x204
283 #define OBD_FAIL_OST_DESTROY_NET 0x205
284 #define OBD_FAIL_OST_GETATTR_NET 0x206
285 #define OBD_FAIL_OST_SETATTR_NET 0x207
286 #define OBD_FAIL_OST_OPEN_NET 0x208
287 #define OBD_FAIL_OST_CLOSE_NET 0x209
288 #define OBD_FAIL_OST_BRW_NET 0x20a
289 #define OBD_FAIL_OST_PUNCH_NET 0x20b
290 #define OBD_FAIL_OST_STATFS_NET 0x20c
291 #define OBD_FAIL_OST_HANDLE_UNPACK 0x20d
292 #define OBD_FAIL_OST_BRW_WRITE_BULK 0x20e
293 #define OBD_FAIL_OST_BRW_READ_BULK 0x20f
294 #define OBD_FAIL_OST_SYNC_NET 0x210
295 #define OBD_FAIL_OST_ALL_REPLY_NET 0x211
296 #define OBD_FAIL_OST_ALL_REQUEST_NET 0x212
297 #define OBD_FAIL_OST_LDLM_REPLY_NET 0x213
298 #define OBD_FAIL_OST_BRW_PAUSE_BULK 0x214
299 #define OBD_FAIL_OST_ENOSPC 0x215
300 #define OBD_FAIL_OST_EROFS 0x216
301 #define OBD_FAIL_SRV_ENOENT 0x217
302 /* OBD_FAIL_OST_QUOTACHECK_NET 0x218 obsolete since 2.4 */
303 #define OBD_FAIL_OST_QUOTACTL_NET 0x219
304 #define OBD_FAIL_OST_CHECKSUM_RECEIVE 0x21a
305 #define OBD_FAIL_OST_CHECKSUM_SEND 0x21b
306 #define OBD_FAIL_OST_BRW_SIZE 0x21c
307 #define OBD_FAIL_OST_DROP_REQ 0x21d
308 #define OBD_FAIL_OST_SETATTR_CREDITS 0x21e
309 #define OBD_FAIL_OST_HOLD_WRITE_RPC 0x21f
310 #define OBD_FAIL_OST_BRW_WRITE_BULK2 0x220
311 #define OBD_FAIL_OST_LLOG_RECOVERY_TIMEOUT 0x221
312 #define OBD_FAIL_OST_CANCEL_COOKIE_TIMEOUT 0x222
313 #define OBD_FAIL_OST_PAUSE_CREATE 0x223
314 #define OBD_FAIL_OST_BRW_PAUSE_PACK 0x224
315 #define OBD_FAIL_OST_CONNECT_NET2 0x225
316 #define OBD_FAIL_OST_NOMEM 0x226
317 #define OBD_FAIL_OST_BRW_PAUSE_BULK2 0x227
318 #define OBD_FAIL_OST_MAPBLK_ENOSPC 0x228
319 #define OBD_FAIL_OST_ENOINO 0x229
320 #define OBD_FAIL_OST_DQACQ_NET 0x230
321 #define OBD_FAIL_OST_STATFS_EINPROGRESS 0x231
322 #define OBD_FAIL_OST_SET_INFO_NET 0x232
323 #define OBD_FAIL_OST_NODESTROY 0x233
324 #define OBD_FAIL_OST_READ_SIZE 0x234
325 #define OBD_FAIL_OST_LADVISE_NET 0x235
326 #define OBD_FAIL_OST_PAUSE_PUNCH 0x236
327 #define OBD_FAIL_OST_LADVISE_PAUSE 0x237
328 #define OBD_FAIL_OST_FAKE_RW 0x238
329 #define OBD_FAIL_OST_LIST_ASSERT 0x239
330 #define OBD_FAIL_OST_GL_WORK_ALLOC 0x240
331 #define OBD_FAIL_OST_SKIP_LV_CHECK 0x241
332 #define OBD_FAIL_OST_STATFS_DELAY 0x242
334 #define OBD_FAIL_LDLM 0x300
335 #define OBD_FAIL_LDLM_NAMESPACE_NEW 0x301
336 #define OBD_FAIL_LDLM_ENQUEUE_NET 0x302
337 #define OBD_FAIL_LDLM_CONVERT_NET 0x303
338 #define OBD_FAIL_LDLM_CANCEL_NET 0x304
339 #define OBD_FAIL_LDLM_BL_CALLBACK_NET 0x305
340 #define OBD_FAIL_LDLM_CP_CALLBACK_NET 0x306
341 #define OBD_FAIL_LDLM_GL_CALLBACK_NET 0x307
342 #define OBD_FAIL_LDLM_ENQUEUE_EXTENT_ERR 0x308
343 #define OBD_FAIL_LDLM_ENQUEUE_INTENT_ERR 0x309
344 #define OBD_FAIL_LDLM_CREATE_RESOURCE 0x30a
345 #define OBD_FAIL_LDLM_ENQUEUE_BLOCKED 0x30b
346 #define OBD_FAIL_LDLM_REPLY 0x30c
347 #define OBD_FAIL_LDLM_RECOV_CLIENTS 0x30d
348 #define OBD_FAIL_LDLM_ENQUEUE_OLD_EXPORT 0x30e
349 #define OBD_FAIL_LDLM_GLIMPSE 0x30f
350 #define OBD_FAIL_LDLM_CANCEL_RACE 0x310
351 #define OBD_FAIL_LDLM_CANCEL_EVICT_RACE 0x311
352 #define OBD_FAIL_LDLM_PAUSE_CANCEL 0x312
353 #define OBD_FAIL_LDLM_CLOSE_THREAD 0x313
354 #define OBD_FAIL_LDLM_CANCEL_BL_CB_RACE 0x314
355 #define OBD_FAIL_LDLM_CP_CB_WAIT 0x315
356 #define OBD_FAIL_LDLM_OST_FAIL_RACE 0x316
357 #define OBD_FAIL_LDLM_INTR_CP_AST 0x317
358 #define OBD_FAIL_LDLM_CP_BL_RACE 0x318
359 #define OBD_FAIL_LDLM_NEW_LOCK 0x319
360 #define OBD_FAIL_LDLM_AGL_DELAY 0x31a
361 #define OBD_FAIL_LDLM_AGL_NOLOCK 0x31b
362 #define OBD_FAIL_LDLM_OST_LVB 0x31c
363 #define OBD_FAIL_LDLM_ENQUEUE_HANG 0x31d
364 #define OBD_FAIL_LDLM_BL_EVICT 0x31e
365 #define OBD_FAIL_LDLM_PAUSE_CANCEL2 0x31f
366 #define OBD_FAIL_LDLM_CP_CB_WAIT2 0x320
367 #define OBD_FAIL_LDLM_CP_CB_WAIT3 0x321
368 #define OBD_FAIL_LDLM_CP_CB_WAIT4 0x322
369 #define OBD_FAIL_LDLM_CP_CB_WAIT5 0x323
370 #define OBD_FAIL_LDLM_SRV_BL_AST 0x324
371 #define OBD_FAIL_LDLM_SRV_CP_AST 0x325
372 #define OBD_FAIL_LDLM_SRV_GL_AST 0x326
373 #define OBD_FAIL_LDLM_WATERMARK_LOW 0x327
374 #define OBD_FAIL_LDLM_WATERMARK_HIGH 0x328
376 #define OBD_FAIL_LDLM_GRANT_CHECK 0x32a
379 #define OBD_FAIL_LDLM_SET_CONTENTION 0x385
381 #define OBD_FAIL_OSC 0x400
382 #define OBD_FAIL_OSC_BRW_READ_BULK 0x401
383 #define OBD_FAIL_OSC_BRW_WRITE_BULK 0x402
384 #define OBD_FAIL_OSC_LOCK_BL_AST 0x403
385 #define OBD_FAIL_OSC_LOCK_CP_AST 0x404
386 #define OBD_FAIL_OSC_MATCH 0x405
387 #define OBD_FAIL_OSC_BRW_PREP_REQ 0x406
388 #define OBD_FAIL_OSC_SHUTDOWN 0x407
389 #define OBD_FAIL_OSC_CHECKSUM_RECEIVE 0x408
390 #define OBD_FAIL_OSC_CHECKSUM_SEND 0x409
391 #define OBD_FAIL_OSC_BRW_PREP_REQ2 0x40a
392 /* #define OBD_FAIL_OSC_CONNECT_CKSUM 0x40b Obsolete since 2.9 */
393 #define OBD_FAIL_OSC_CKSUM_ADLER_ONLY 0x40c
394 #define OBD_FAIL_OSC_DIO_PAUSE 0x40d
395 #define OBD_FAIL_OSC_OBJECT_CONTENTION 0x40e
396 #define OBD_FAIL_OSC_CP_CANCEL_RACE 0x40f
397 #define OBD_FAIL_OSC_CP_ENQ_RACE 0x410
398 #define OBD_FAIL_OSC_NO_GRANT 0x411
399 #define OBD_FAIL_OSC_DELAY_SETTIME 0x412
400 #define OBD_FAIL_OSC_CONNECT_GRANT_PARAM 0x413
401 #define OBD_FAIL_OSC_DELAY_IO 0x414
403 #define OBD_FAIL_PTLRPC 0x500
404 #define OBD_FAIL_PTLRPC_ACK 0x501
405 #define OBD_FAIL_PTLRPC_RQBD 0x502
406 #define OBD_FAIL_PTLRPC_BULK_GET_NET 0x503
407 #define OBD_FAIL_PTLRPC_BULK_PUT_NET 0x504
408 #define OBD_FAIL_PTLRPC_DROP_RPC 0x505
409 #define OBD_FAIL_PTLRPC_DELAY_SEND 0x506
410 #define OBD_FAIL_PTLRPC_DELAY_RECOV 0x507
411 #define OBD_FAIL_PTLRPC_CLIENT_BULK_CB 0x508
412 #define OBD_FAIL_PTLRPC_PAUSE_REQ 0x50a
413 #define OBD_FAIL_PTLRPC_PAUSE_REP 0x50c
414 #define OBD_FAIL_PTLRPC_IMP_DEACTIVE 0x50d
415 #define OBD_FAIL_PTLRPC_DUMP_LOG 0x50e
416 #define OBD_FAIL_PTLRPC_LONG_REPL_UNLINK 0x50f
417 #define OBD_FAIL_PTLRPC_LONG_BULK_UNLINK 0x510
418 #define OBD_FAIL_PTLRPC_HPREQ_TIMEOUT 0x511
419 #define OBD_FAIL_PTLRPC_HPREQ_NOTIMEOUT 0x512
420 #define OBD_FAIL_PTLRPC_DROP_REQ_OPC 0x513
421 #define OBD_FAIL_PTLRPC_FINISH_REPLAY 0x514
422 #define OBD_FAIL_PTLRPC_CLIENT_BULK_CB2 0x515
423 #define OBD_FAIL_PTLRPC_DELAY_IMP_FULL 0x516
424 #define OBD_FAIL_PTLRPC_CANCEL_RESEND 0x517
425 #define OBD_FAIL_PTLRPC_DROP_BULK 0x51a
426 #define OBD_FAIL_PTLRPC_LONG_REQ_UNLINK 0x51b
427 #define OBD_FAIL_PTLRPC_LONG_BOTH_UNLINK 0x51c
428 #define OBD_FAIL_PTLRPC_CLIENT_BULK_CB3 0x520
430 #define OBD_FAIL_OBD_PING_NET 0x600
431 #define OBD_FAIL_OBD_LOG_CANCEL_NET 0x601
432 #define OBD_FAIL_OBD_LOGD_NET 0x602
433 /* OBD_FAIL_OBD_QC_CALLBACK_NET 0x603 obsolete since 2.4 */
434 #define OBD_FAIL_OBD_DQACQ 0x604
435 #define OBD_FAIL_OBD_LLOG_SETUP 0x605
436 #define OBD_FAIL_OBD_LOG_CANCEL_REP 0x606
437 #define OBD_FAIL_OBD_IDX_READ_NET 0x607
438 #define OBD_FAIL_OBD_IDX_READ_BREAK 0x608
439 #define OBD_FAIL_OBD_NO_LRU 0x609
440 #define OBD_FAIL_OBDCLASS_MODULE_LOAD 0x60a
442 #define OBD_FAIL_TGT_REPLY_NET 0x700
443 #define OBD_FAIL_TGT_CONN_RACE 0x701
444 #define OBD_FAIL_TGT_FORCE_RECONNECT 0x702
445 #define OBD_FAIL_TGT_DELAY_CONNECT 0x703
446 #define OBD_FAIL_TGT_DELAY_RECONNECT 0x704
447 #define OBD_FAIL_TGT_DELAY_PRECREATE 0x705
448 #define OBD_FAIL_TGT_TOOMANY_THREADS 0x706
449 #define OBD_FAIL_TGT_REPLAY_DROP 0x707
450 #define OBD_FAIL_TGT_FAKE_EXP 0x708
451 #define OBD_FAIL_TGT_REPLAY_DELAY 0x709
452 /* #define OBD_FAIL_TGT_LAST_REPLAY 0x710 (obsoleted) */
453 #define OBD_FAIL_TGT_CLIENT_ADD 0x711
454 #define OBD_FAIL_TGT_RCVG_FLAG 0x712
455 #define OBD_FAIL_TGT_DELAY_CONDITIONAL 0x713
456 #define OBD_FAIL_TGT_REPLAY_DELAY2 0x714
457 #define OBD_FAIL_TGT_REPLAY_RECONNECT 0x715
458 #define OBD_FAIL_TGT_MOUNT_RACE 0x716
459 #define OBD_FAIL_TGT_REPLAY_TIMEOUT 0x717
460 #define OBD_FAIL_TGT_CLIENT_DEL 0x718
461 #define OBD_FAIL_TGT_SLUGGISH_NET 0x719
462 #define OBD_FAIL_TGT_RCVD_EIO 0x720
464 #define OBD_FAIL_MDC_REVALIDATE_PAUSE 0x800
465 #define OBD_FAIL_MDC_ENQUEUE_PAUSE 0x801
466 #define OBD_FAIL_MDC_OLD_EXT_FLAGS 0x802
467 #define OBD_FAIL_MDC_GETATTR_ENQUEUE 0x803
468 #define OBD_FAIL_MDC_RPCS_SEM 0x804
469 #define OBD_FAIL_MDC_LIGHTWEIGHT 0x805
470 #define OBD_FAIL_MDC_CLOSE 0x806
471 #define OBD_FAIL_MDC_MERGE 0x807
473 #define OBD_FAIL_MGS 0x900
474 #define OBD_FAIL_MGS_ALL_REQUEST_NET 0x901
475 #define OBD_FAIL_MGS_ALL_REPLY_NET 0x902
476 #define OBD_FAIL_MGC_PAUSE_PROCESS_LOG 0x903
477 #define OBD_FAIL_MGS_PAUSE_REQ 0x904
478 #define OBD_FAIL_MGS_PAUSE_TARGET_REG 0x905
479 #define OBD_FAIL_MGS_CONNECT_NET 0x906
480 #define OBD_FAIL_MGS_DISCONNECT_NET 0x907
481 #define OBD_FAIL_MGS_SET_INFO_NET 0x908
482 #define OBD_FAIL_MGS_EXCEPTION_NET 0x909
483 #define OBD_FAIL_MGS_TARGET_REG_NET 0x90a
484 #define OBD_FAIL_MGS_TARGET_DEL_NET 0x90b
485 #define OBD_FAIL_MGS_CONFIG_READ_NET 0x90c
486 #define OBD_FAIL_MGS_LDLM_REPLY_NET 0x90d
487 #define OBD_FAIL_MGS_WRITE_TARGET_DELAY 0x90e
489 #define OBD_FAIL_QUOTA_DQACQ_NET 0xA01
490 #define OBD_FAIL_QUOTA_EDQUOT 0xA02
491 #define OBD_FAIL_QUOTA_DELAY_REINT 0xA03
492 #define OBD_FAIL_QUOTA_RECOVERABLE_ERR 0xA04
494 #define OBD_FAIL_LPROC_REMOVE 0xB00
496 #define OBD_FAIL_SEQ 0x1000
497 #define OBD_FAIL_SEQ_QUERY_NET 0x1001
498 #define OBD_FAIL_SEQ_EXHAUST 0x1002
500 #define OBD_FAIL_FLD 0x1100
501 #define OBD_FAIL_FLD_QUERY_NET 0x1101
502 #define OBD_FAIL_FLD_READ_NET 0x1102
504 #define OBD_FAIL_SEC_CTX 0x1200
505 #define OBD_FAIL_SEC_CTX_INIT_NET 0x1201
506 #define OBD_FAIL_SEC_CTX_INIT_CONT_NET 0x1202
507 #define OBD_FAIL_SEC_CTX_FINI_NET 0x1203
508 #define OBD_FAIL_SEC_CTX_HDL_PAUSE 0x1204
510 #define OBD_FAIL_LLOG 0x1300
511 #define OBD_FAIL_LLOG_ORIGIN_CONNECT_NET 0x1301
512 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_CREATE_NET 0x1302
513 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_DESTROY_NET 0x1303
514 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_READ_HEADER_NET 0x1304
515 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_NEXT_BLOCK_NET 0x1305
516 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_PREV_BLOCK_NET 0x1306
517 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_WRITE_REC_NET 0x1307
518 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_CLOSE_NET 0x1308
519 #define OBD_FAIL_LLOG_CATINFO_NET 0x1309
520 #define OBD_FAIL_MDS_SYNC_CAPA_SL 0x1310
521 #define OBD_FAIL_SEQ_ALLOC 0x1311
522 #define OBD_FAIL_CAT_RECORDS 0x1312
523 #define OBD_FAIL_CAT_FREE_RECORDS 0x1313
524 #define OBD_FAIL_TIME_IN_CHLOG_USER 0x1314
526 #define OBD_FAIL_LLITE 0x1400
527 #define OBD_FAIL_LLITE_FAULT_TRUNC_RACE 0x1401
528 #define OBD_FAIL_LOCK_STATE_WAIT_INTR 0x1402
529 #define OBD_FAIL_LOV_INIT 0x1403
530 #define OBD_FAIL_GLIMPSE_DELAY 0x1404
531 #define OBD_FAIL_LLITE_XATTR_ENOMEM 0x1405
532 #define OBD_FAIL_MAKE_LOVEA_HOLE 0x1406
533 #define OBD_FAIL_LLITE_LOST_LAYOUT 0x1407
534 #define OBD_FAIL_LLITE_NO_CHECK_DEAD 0x1408
535 #define OBD_FAIL_GETATTR_DELAY 0x1409
536 #define OBD_FAIL_LLITE_CREATE_FILE_PAUSE 0x1409
537 #define OBD_FAIL_LLITE_NEWNODE_PAUSE 0x140a
538 #define OBD_FAIL_LLITE_SETDIRSTRIPE_PAUSE 0x140b
539 #define OBD_FAIL_LLITE_CREATE_NODE_PAUSE 0x140c
540 #define OBD_FAIL_LLITE_PTASK_IO_FAIL 0x140d
541 #define OBD_FAIL_LLITE_IMUTEX_SEC 0x140e
542 #define OBD_FAIL_LLITE_IMUTEX_NOSEC 0x140f
544 #define OBD_FAIL_FID_INDIR 0x1501
545 #define OBD_FAIL_FID_INLMA 0x1502
546 #define OBD_FAIL_FID_IGIF 0x1504
547 #define OBD_FAIL_FID_LOOKUP 0x1505
548 #define OBD_FAIL_FID_NOLMA 0x1506
551 #define OBD_FAIL_LFSCK_DELAY1 0x1600
552 #define OBD_FAIL_LFSCK_DELAY2 0x1601
553 #define OBD_FAIL_LFSCK_DELAY3 0x1602
554 #define OBD_FAIL_LFSCK_LINKEA_CRASH 0x1603
555 #define OBD_FAIL_LFSCK_LINKEA_MORE 0x1604
556 #define OBD_FAIL_LFSCK_LINKEA_MORE2 0x1605
557 #define OBD_FAIL_LFSCK_FATAL1 0x1608
558 #define OBD_FAIL_LFSCK_FATAL2 0x1609
559 #define OBD_FAIL_LFSCK_CRASH 0x160a
560 #define OBD_FAIL_LFSCK_NO_AUTO 0x160b
561 #define OBD_FAIL_LFSCK_NO_DOUBLESCAN 0x160c
562 #define OBD_FAIL_LFSCK_SKIP_LASTID 0x160d
563 #define OBD_FAIL_LFSCK_DELAY4 0x160e
564 #define OBD_FAIL_LFSCK_BAD_LMMOI 0x160f
565 #define OBD_FAIL_LFSCK_DANGLING 0x1610
566 #define OBD_FAIL_LFSCK_UNMATCHED_PAIR1 0x1611
567 #define OBD_FAIL_LFSCK_UNMATCHED_PAIR2 0x1612
568 #define OBD_FAIL_LFSCK_BAD_OWNER 0x1613
569 #define OBD_FAIL_LFSCK_MULTIPLE_REF 0x1614
570 #define OBD_FAIL_LFSCK_LOST_STRIPE 0x1615
571 #define OBD_FAIL_LFSCK_LOST_MDTOBJ 0x1616
572 #define OBD_FAIL_LFSCK_NOPFID 0x1617
573 #define OBD_FAIL_LFSCK_CHANGE_STRIPE 0x1618
574 #define OBD_FAIL_LFSCK_INVALID_PFID 0x1619
575 #define OBD_FAIL_LFSCK_LOST_SPEOBJ 0x161a
576 #define OBD_FAIL_LFSCK_DELAY5 0x161b
577 #define OBD_FAIL_LFSCK_BAD_NETWORK 0x161c
578 #define OBD_FAIL_LFSCK_NO_LINKEA 0x161d
579 #define OBD_FAIL_LFSCK_BAD_PARENT 0x161e
580 #define OBD_FAIL_LFSCK_DANGLING2 0x1620
581 #define OBD_FAIL_LFSCK_DANGLING3 0x1621
582 #define OBD_FAIL_LFSCK_MUL_REF 0x1622
583 #define OBD_FAIL_LFSCK_BAD_TYPE 0x1623
584 #define OBD_FAIL_LFSCK_NO_NAMEENTRY 0x1624
585 #define OBD_FAIL_LFSCK_LESS_NLINK 0x1626
586 #define OBD_FAIL_LFSCK_BAD_NAME_HASH 0x1628
587 #define OBD_FAIL_LFSCK_LOST_MASTER_LMV 0x1629
588 #define OBD_FAIL_LFSCK_LOST_SLAVE_LMV 0x162a
589 #define OBD_FAIL_LFSCK_BAD_SLAVE_LMV 0x162b
590 #define OBD_FAIL_LFSCK_BAD_SLAVE_NAME 0x162c
591 #define OBD_FAIL_LFSCK_ASSISTANT_DIRECT 0x162d
592 #define OBD_FAIL_LFSCK_LOST_MDTOBJ2 0x162e
593 #define OBD_FAIL_LFSCK_BAD_PFL_RANGE 0x162f
594 #define OBD_FAIL_LFSCK_NO_AGENTOBJ 0x1630
595 #define OBD_FAIL_LFSCK_NO_AGENTENT 0x1631
597 #define OBD_FAIL_LFSCK_NOTIFY_NET 0x16f0
598 #define OBD_FAIL_LFSCK_QUERY_NET 0x16f1
601 #define OBD_FAIL_OUT_UPDATE_NET 0x1700
602 #define OBD_FAIL_OUT_UPDATE_NET_REP 0x1701
603 #define OBD_FAIL_SPLIT_UPDATE_REC 0x1702
604 #define OBD_FAIL_LARGE_STRIPE 0x1703
605 #define OBD_FAIL_OUT_ENOSPC 0x1704
606 #define OBD_FAIL_INVALIDATE_UPDATE 0x1705
609 #define OBD_FAIL_MIGRATE_NET_REP 0x1800
610 #define OBD_FAIL_MIGRATE_ENTRIES 0x1801
611 #define OBD_FAIL_MIGRATE_LINKEA 0x1802
612 #define OBD_FAIL_MIGRATE_DELAY 0x1803
615 #define OBD_FAIL_UNKNOWN_LMV_STRIPE 0x1901
618 #define OBD_FAIL_FLR_GLIMPSE_IMMUTABLE 0x1A00
619 #define OBD_FAIL_FLR_LV_DELAY 0x1A01
620 #define OBD_FAIL_FLR_LV_INC 0x1A02
621 #define OBD_FAIL_FLR_RANDOM_PICK_MIRROR 0x1A03
624 #define OBD_FAIL_DT_DECLARE_ATTR_GET 0x2000
625 #define OBD_FAIL_DT_ATTR_GET 0x2001
626 #define OBD_FAIL_DT_DECLARE_ATTR_SET 0x2002
627 #define OBD_FAIL_DT_ATTR_SET 0x2003
628 #define OBD_FAIL_DT_DECLARE_XATTR_GET 0x2004
629 #define OBD_FAIL_DT_XATTR_GET 0x2005
630 #define OBD_FAIL_DT_DECLARE_XATTR_SET 0x2006
631 #define OBD_FAIL_DT_XATTR_SET 0x2007
632 #define OBD_FAIL_DT_DECLARE_XATTR_DEL 0x2008
633 #define OBD_FAIL_DT_XATTR_DEL 0x2009
634 #define OBD_FAIL_DT_XATTR_LIST 0x200a
635 #define OBD_FAIL_DT_DECLARE_CREATE 0x200b
636 #define OBD_FAIL_DT_CREATE 0x200c
637 #define OBD_FAIL_DT_DECLARE_DESTROY 0x200d
638 #define OBD_FAIL_DT_DESTROY 0x200e
639 #define OBD_FAIL_DT_INDEX_TRY 0x200f
640 #define OBD_FAIL_DT_DECLARE_REF_ADD 0x2010
641 #define OBD_FAIL_DT_REF_ADD 0x2011
642 #define OBD_FAIL_DT_DECLARE_REF_DEL 0x2012
643 #define OBD_FAIL_DT_REF_DEL 0x2013
644 #define OBD_FAIL_DT_DECLARE_INSERT 0x2014
645 #define OBD_FAIL_DT_INSERT 0x2015
646 #define OBD_FAIL_DT_DECLARE_DELETE 0x2016
647 #define OBD_FAIL_DT_DELETE 0x2017
648 #define OBD_FAIL_DT_LOOKUP 0x2018
649 #define OBD_FAIL_DT_TXN_STOP 0x2019
651 #define OBD_FAIL_OSP_CHECK_INVALID_REC 0x2100
652 #define OBD_FAIL_OSP_CHECK_ENOMEM 0x2101
653 #define OBD_FAIL_OSP_FAKE_PRECREATE 0x2102
656 #define OBD_FAIL_MGS_BARRIER_READ_NET 0x2200
657 #define OBD_FAIL_MGS_BARRIER_NOTIFY_NET 0x2201
659 #define OBD_FAIL_BARRIER_DELAY 0x2202
660 #define OBD_FAIL_BARRIER_FAILURE 0x2203
662 /* Assign references to moved code to reduce code changes */
663 #define OBD_FAIL_PRECHECK(id) CFS_FAIL_PRECHECK(id)
664 #define OBD_FAIL_CHECK(id) CFS_FAIL_CHECK(id)
665 #define OBD_FAIL_CHECK_VALUE(id, value) CFS_FAIL_CHECK_VALUE(id, value)
666 #define OBD_FAIL_CHECK_ORSET(id, value) CFS_FAIL_CHECK_ORSET(id, value)
667 #define OBD_FAIL_CHECK_RESET(id, value) CFS_FAIL_CHECK_RESET(id, value)
668 #define OBD_FAIL_RETURN(id, ret) CFS_FAIL_RETURN(id, ret)
669 #define OBD_FAIL_TIMEOUT(id, secs) CFS_FAIL_TIMEOUT(id, secs)
670 #define OBD_FAIL_TIMEOUT_MS(id, ms) CFS_FAIL_TIMEOUT_MS(id, ms)
671 #define OBD_FAIL_TIMEOUT_ORSET(id, value, secs) CFS_FAIL_TIMEOUT_ORSET(id, value, secs)
672 #define OBD_RACE(id) CFS_RACE(id)
673 #define OBD_FAIL_ONCE CFS_FAIL_ONCE
674 #define OBD_FAILED CFS_FAILED
676 #define LUT_FAIL_CLASS(fail_id) (((fail_id) >> 8) << 16)
677 #define LUT_FAIL_MGT LUT_FAIL_CLASS(OBD_FAIL_MGS)
678 #define LUT_FAIL_MDT LUT_FAIL_CLASS(OBD_FAIL_MDS)
679 #define LUT_FAIL_OST LUT_FAIL_CLASS(OBD_FAIL_OST)
681 extern atomic_t libcfs_kmemory;
683 #ifdef CONFIG_PROC_FS
684 #define obd_memory_add(size) \
685 lprocfs_counter_add(obd_memory, OBD_MEMORY_STAT, (long)(size))
686 #define obd_memory_sub(size) \
687 lprocfs_counter_sub(obd_memory, OBD_MEMORY_STAT, (long)(size))
688 #define obd_memory_sum() \
689 lprocfs_stats_collector(obd_memory, OBD_MEMORY_STAT, \
690 LPROCFS_FIELDS_FLAGS_SUM)
692 extern void obd_update_maxusage(void);
693 extern __u64 obd_memory_max(void);
695 #else /* CONFIG_PROC_FS */
697 extern __u64 obd_alloc;
699 extern __u64 obd_max_alloc;
701 static inline void obd_memory_add(long size)
704 if (obd_alloc > obd_max_alloc)
705 obd_max_alloc = obd_alloc;
708 static inline void obd_memory_sub(long size)
713 #define obd_memory_sum() (obd_alloc)
715 #define obd_memory_max() (obd_max_alloc)
717 #endif /* !CONFIG_PROC_FS */
719 #define OBD_DEBUG_MEMUSAGE (1)
721 #if OBD_DEBUG_MEMUSAGE
722 #define OBD_ALLOC_POST(ptr, size, name) \
723 obd_memory_add(size); \
724 CDEBUG(D_MALLOC, name " '" #ptr "': %d at %p.\n", \
727 #define OBD_FREE_PRE(ptr, size, name) \
729 obd_memory_sub(size); \
730 CDEBUG(D_MALLOC, name " '" #ptr "': %d at %p.\n", \
732 POISON(ptr, 0x5a, size)
734 #else /* !OBD_DEBUG_MEMUSAGE */
736 #define OBD_ALLOC_POST(ptr, size, name) ((void)0)
737 #define OBD_FREE_PRE(ptr, size, name) ((void)0)
739 #endif /* !OBD_DEBUG_MEMUSAGE */
741 #define __OBD_MALLOC_VERBOSE(ptr, cptab, cpt, size, flags) \
743 (ptr) = (cptab) == NULL ? \
744 kmalloc(size, (flags) | __GFP_ZERO) : \
745 cfs_cpt_malloc(cptab, cpt, size, (flags) | __GFP_ZERO); \
746 if (likely((ptr) != NULL)) \
747 OBD_ALLOC_POST(ptr, size, "kmalloced"); \
750 #define OBD_ALLOC_GFP(ptr, size, gfp_mask) \
751 __OBD_MALLOC_VERBOSE(ptr, NULL, 0, size, gfp_mask)
753 #define OBD_ALLOC(ptr, size) OBD_ALLOC_GFP(ptr, size, GFP_NOFS)
754 #define OBD_ALLOC_WAIT(ptr, size) OBD_ALLOC_GFP(ptr, size, GFP_KERNEL)
755 #define OBD_ALLOC_PTR(ptr) OBD_ALLOC(ptr, sizeof *(ptr))
756 #define OBD_ALLOC_PTR_WAIT(ptr) OBD_ALLOC_WAIT(ptr, sizeof *(ptr))
758 #define OBD_CPT_ALLOC_GFP(ptr, cptab, cpt, size, gfp_mask) \
759 __OBD_MALLOC_VERBOSE(ptr, cptab, cpt, size, gfp_mask)
761 #define OBD_CPT_ALLOC(ptr, cptab, cpt, size) \
762 OBD_CPT_ALLOC_GFP(ptr, cptab, cpt, size, GFP_NOFS)
764 #define OBD_CPT_ALLOC_PTR(ptr, cptab, cpt) \
765 OBD_CPT_ALLOC(ptr, cptab, cpt, sizeof *(ptr))
767 /* Direct use of __vmalloc() allows for protection flag specification
768 * (and particularly to not set __GFP_FS, which is likely to cause some
769 * deadlock situations in our code).
771 #define __OBD_VMALLOC_VERBOSE(ptr, cptab, cpt, size) \
773 (ptr) = cptab == NULL ? \
774 __vmalloc(size, GFP_NOFS | __GFP_HIGHMEM | __GFP_ZERO, \
776 cfs_cpt_vzalloc(cptab, cpt, size); \
777 if (unlikely((ptr) == NULL)) { \
778 CERROR("vmalloc of '" #ptr "' (%d bytes) failed\n", \
780 CERROR("%llu total bytes allocated by Lustre, %d by LNET\n", \
781 obd_memory_sum(), atomic_read(&libcfs_kmemory)); \
783 OBD_ALLOC_POST(ptr, size, "vmalloced"); \
787 #define OBD_VMALLOC(ptr, size) \
788 __OBD_VMALLOC_VERBOSE(ptr, NULL, 0, size)
789 #define OBD_CPT_VMALLOC(ptr, cptab, cpt, size) \
790 __OBD_VMALLOC_VERBOSE(ptr, cptab, cpt, size)
792 #define OBD_ALLOC_LARGE(ptr, size) \
794 /* LU-8196 - force large allocations to use vmalloc, not kmalloc */ \
795 if ((size) > KMALLOC_MAX_SIZE) \
798 OBD_ALLOC_GFP(ptr, size, GFP_NOFS | __GFP_NOWARN); \
800 OBD_VMALLOC(ptr, size); \
803 #define OBD_CPT_ALLOC_LARGE(ptr, cptab, cpt, size) \
805 OBD_CPT_ALLOC_GFP(ptr, cptab, cpt, size, GFP_NOFS | __GFP_NOWARN); \
807 OBD_CPT_VMALLOC(ptr, cptab, cpt, size); \
810 #ifdef CONFIG_DEBUG_SLAB
811 #define POISON(ptr, c, s) do {} while (0)
812 #define POISON_PTR(ptr) ((void)0)
814 #define POISON(ptr, c, s) memset(ptr, c, s)
815 #define POISON_PTR(ptr) (ptr) = (void *)0xdeadbeef
819 #define POISON_PAGE(page, val) do { memset(kmap(page), val, PAGE_SIZE); \
820 kunmap(page); } while (0)
822 #define POISON_PAGE(page, val) do { } while (0)
825 #define OBD_FREE(ptr, size) \
827 OBD_FREE_PRE(ptr, size, "kfreed"); \
832 #define OBD_FREE_LARGE(ptr, size) \
834 if (is_vmalloc_addr(ptr)) { \
835 OBD_FREE_PRE(ptr, size, "vfreed"); \
839 OBD_FREE(ptr, size); \
843 #define OBD_FREE_RCU(ptr, size, handle) \
845 struct portals_handle *__h = (handle); \
847 LASSERT(handle != NULL); \
848 __h->h_cookie = (unsigned long)(ptr); \
849 __h->h_size = (size); \
850 call_rcu(&__h->h_rcu, class_handle_free_cb); \
854 /* we memset() the slab object to 0 when allocation succeeds, so DO NOT
855 * HAVE A CTOR THAT DOES ANYTHING. its work will be cleared here. we'd
856 * love to assert on that, but slab.c keeps kmem_cache_s all to itself. */
857 #define OBD_SLAB_FREE_RTN0(ptr, slab) \
859 kmem_cache_free((slab), (ptr)); \
864 #define __OBD_SLAB_ALLOC_VERBOSE(ptr, slab, cptab, cpt, size, type) \
866 LASSERT(ergo((type) != GFP_ATOMIC, !in_interrupt())); \
867 (ptr) = (cptab) == NULL ? \
868 kmem_cache_alloc(slab, (type) | __GFP_ZERO) : \
869 cfs_mem_cache_cpt_alloc(slab, cptab, cpt, (type) | __GFP_ZERO); \
871 OBD_ALLOC_POST(ptr, size, "slab-alloced"); \
874 #define OBD_SLAB_ALLOC_GFP(ptr, slab, size, flags) \
875 __OBD_SLAB_ALLOC_VERBOSE(ptr, slab, NULL, 0, size, flags)
876 #define OBD_SLAB_CPT_ALLOC_GFP(ptr, slab, cptab, cpt, size, flags) \
877 __OBD_SLAB_ALLOC_VERBOSE(ptr, slab, cptab, cpt, size, flags)
879 #define OBD_FREE_PTR(ptr) OBD_FREE(ptr, sizeof *(ptr))
881 #define OBD_SLAB_FREE(ptr, slab, size) \
883 OBD_FREE_PRE(ptr, size, "slab-freed"); \
884 kmem_cache_free(slab, ptr); \
888 #define OBD_SLAB_ALLOC(ptr, slab, size) \
889 OBD_SLAB_ALLOC_GFP(ptr, slab, size, GFP_NOFS)
891 #define OBD_SLAB_CPT_ALLOC(ptr, slab, cptab, cpt, size) \
892 OBD_SLAB_CPT_ALLOC_GFP(ptr, slab, cptab, cpt, size, GFP_NOFS)
894 #define OBD_SLAB_ALLOC_PTR(ptr, slab) \
895 OBD_SLAB_ALLOC(ptr, slab, sizeof *(ptr))
897 #define OBD_SLAB_CPT_ALLOC_PTR(ptr, slab, cptab, cpt) \
898 OBD_SLAB_CPT_ALLOC(ptr, slab, cptab, cpt, sizeof *(ptr))
900 #define OBD_SLAB_ALLOC_PTR_GFP(ptr, slab, flags) \
901 OBD_SLAB_ALLOC_GFP(ptr, slab, sizeof *(ptr), flags)
903 #define OBD_SLAB_CPT_ALLOC_PTR_GFP(ptr, slab, cptab, cpt, flags) \
904 OBD_SLAB_CPT_ALLOC_GFP(ptr, slab, cptab, cpt, sizeof *(ptr), flags)
906 #define OBD_SLAB_FREE_PTR(ptr, slab) \
907 OBD_SLAB_FREE((ptr), (slab), sizeof *(ptr))
909 #define KEY_IS(str) \
910 (keylen >= (sizeof(str)-1) && memcmp(key, str, (sizeof(str)-1)) == 0)
912 /* LUSTRE_LMA_FL_MASKS defines which flags will be stored in LMA */
914 static inline int lma_to_lustre_flags(__u32 lma_flags)
916 return (lma_flags & LMAI_ORPHAN) ? LUSTRE_ORPHAN_FL : 0;
919 static inline int lustre_to_lma_flags(__u32 la_flags)
921 return (la_flags & LUSTRE_ORPHAN_FL) ? LMAI_ORPHAN : 0;