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LU-11163 libcfs: fix CPT NUMA memory failures
[fs/lustre-release.git] / lustre / include / obd_support.h
1 /*
2  * GPL HEADER START
3  *
4  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
5  *
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.
9  *
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).
15  *
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
19  *
20  * GPL HEADER END
21  */
22 /*
23  * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
24  * Use is subject to license terms.
25  *
26  * Copyright (c) 2011, 2017, Intel Corporation.
27  */
28 /*
29  * This file is part of Lustre, http://www.lustre.org/
30  * Lustre is a trademark of Sun Microsystems, Inc.
31  */
32
33 #ifndef _OBD_SUPPORT
34 #define _OBD_SUPPORT
35
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>
41
42 #include <libcfs/libcfs.h>
43 #include <lprocfs_status.h>
44 #include <lustre_handles.h>
45
46 /* global variables */
47 extern struct lprocfs_stats *obd_memory;
48 enum {
49         OBD_MEMORY_STAT = 0,
50         OBD_STATS_NUM,
51 };
52
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;
68 extern int at_extra;
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[];
73
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
101
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 */
143
144 /**
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
147  */
148 #define GRANT_SHRINK_INTERVAL            1200/*20 minutes*/
149
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
250
251 /* layout lock */
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
255
256 /* CMD */
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
265
266 /* OI scrub */
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
277
278 #define OBD_FAIL_OSD_TXN_START                          0x19a
279
280 #define OBD_FAIL_OFD_SET_OID                            0x1e0
281
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
338
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
380
381 #define OBD_FAIL_LDLM_GRANT_CHECK        0x32a
382 #define OBD_FAIL_LDLM_PROLONG_PAUSE      0x32b
383
384 /* LOCKLESS IO */
385 #define OBD_FAIL_LDLM_SET_CONTENTION     0x385
386
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
408
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
436
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
448
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
472
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
481
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
497
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
502
503 #define OBD_FAIL_LPROC_REMOVE            0xB00
504
505 #define OBD_FAIL_SEQ                     0x1000
506 #define OBD_FAIL_SEQ_QUERY_NET           0x1001
507 #define OBD_FAIL_SEQ_EXHAUST             0x1002
508
509 #define OBD_FAIL_FLD                     0x1100
510 #define OBD_FAIL_FLD_QUERY_NET           0x1101
511 #define OBD_FAIL_FLD_READ_NET            0x1102
512
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
518
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
537
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
555
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
561
562 /* LFSCK */
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
608
609 #define OBD_FAIL_LFSCK_NOTIFY_NET       0x16f0
610 #define OBD_FAIL_LFSCK_QUERY_NET        0x16f1
611
612 /* UPDATE */
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
619
620 /* MIGRATE */
621 #define OBD_FAIL_MIGRATE_ENTRIES                0x1801
622
623 /* LMV */
624 #define OBD_FAIL_UNKNOWN_LMV_STRIPE             0x1901
625
626 /* FLR */
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
631
632 /* DT */
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
659
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
664
665  /* barrier */
666 #define OBD_FAIL_MGS_BARRIER_READ_NET           0x2200
667 #define OBD_FAIL_MGS_BARRIER_NOTIFY_NET         0x2201
668
669 #define OBD_FAIL_BARRIER_DELAY                  0x2202
670 #define OBD_FAIL_BARRIER_FAILURE                0x2203
671
672 #define OBD_FAIL_OSD_FAIL_AT_TRUNCATE           0x2301
673
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
687
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)
692
693 extern atomic_t libcfs_kmemory;
694
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)
703
704 extern void obd_update_maxusage(void);
705 extern __u64 obd_memory_max(void);
706
707 #else /* CONFIG_PROC_FS */
708
709 extern __u64 obd_alloc;
710
711 extern __u64 obd_max_alloc;
712
713 static inline void obd_memory_add(long size)
714 {
715         obd_alloc += size;
716         if (obd_alloc > obd_max_alloc)
717                 obd_max_alloc = obd_alloc;
718 }
719
720 static inline void obd_memory_sub(long size)
721 {
722         obd_alloc -= size;
723 }
724
725 #define obd_memory_sum() (obd_alloc)
726
727 #define obd_memory_max() (obd_max_alloc)
728
729 #endif /* !CONFIG_PROC_FS */
730
731 #define OBD_DEBUG_MEMUSAGE (1)
732
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",       \
737                        (int)(size), ptr)
738
739 #define OBD_FREE_PRE(ptr, size, name)                                   \
740         LASSERT(ptr);                                                   \
741         obd_memory_sub(size);                                           \
742         CDEBUG(D_MALLOC, name " '" #ptr "': %d at %p.\n",               \
743                (int)(size), ptr);                                       \
744         POISON(ptr, 0x5a, size)
745
746 #else /* !OBD_DEBUG_MEMUSAGE */
747
748 #define OBD_ALLOC_POST(ptr, size, name) ((void)0)
749 #define OBD_FREE_PRE(ptr, size, name)   ((void)0)
750
751 #endif /* !OBD_DEBUG_MEMUSAGE */
752
753 #define __OBD_MALLOC_VERBOSE(ptr, cptab, cpt, size, flags)                    \
754 do {                                                                          \
755         if (cptab)                                                            \
756                 ptr = cfs_cpt_malloc((cptab), (cpt), (size),                  \
757                                      (flags) | __GFP_ZERO | __GFP_NOWARN);    \
758         if (!(cptab) || unlikely(!(ptr))) /* retry without CPT if failure */  \
759                 ptr = kmalloc(size, (flags) | __GFP_ZERO);                    \
760         if (likely((ptr) != NULL))                                            \
761                 OBD_ALLOC_POST((ptr), (size), "kmalloced");                   \
762 } while (0)
763
764 #define OBD_ALLOC_GFP(ptr, size, gfp_mask)                                    \
765         __OBD_MALLOC_VERBOSE(ptr, NULL, 0, size, gfp_mask)
766
767 #define OBD_ALLOC(ptr, size) OBD_ALLOC_GFP(ptr, size, GFP_NOFS)
768 #define OBD_ALLOC_WAIT(ptr, size) OBD_ALLOC_GFP(ptr, size, GFP_KERNEL)
769 #define OBD_ALLOC_PTR(ptr) OBD_ALLOC(ptr, sizeof *(ptr))
770 #define OBD_ALLOC_PTR_WAIT(ptr) OBD_ALLOC_WAIT(ptr, sizeof *(ptr))
771
772 #define OBD_CPT_ALLOC_GFP(ptr, cptab, cpt, size, gfp_mask)                    \
773         __OBD_MALLOC_VERBOSE(ptr, cptab, cpt, size, gfp_mask)
774
775 #define OBD_CPT_ALLOC(ptr, cptab, cpt, size)                                  \
776         OBD_CPT_ALLOC_GFP(ptr, cptab, cpt, size, GFP_NOFS)
777
778 #define OBD_CPT_ALLOC_PTR(ptr, cptab, cpt)                                    \
779         OBD_CPT_ALLOC(ptr, cptab, cpt, sizeof *(ptr))
780
781 /* Direct use of __vmalloc() allows for protection flag specification
782  * (and particularly to not set __GFP_FS, which is likely to cause some
783  * deadlock situations in our code).
784  */
785 #define __OBD_VMALLOC_VERBOSE(ptr, cptab, cpt, size)                          \
786 do {                                                                          \
787         (ptr) = cptab == NULL ?                                               \
788                 __vmalloc(size, GFP_NOFS | __GFP_HIGHMEM | __GFP_ZERO,        \
789                           PAGE_KERNEL) :                                      \
790                 cfs_cpt_vzalloc(cptab, cpt, size);                            \
791         if (unlikely((ptr) == NULL)) {                                        \
792                 CERROR("vmalloc of '" #ptr "' (%d bytes) failed\n",           \
793                        (int)(size));                                          \
794                 CERROR("%llu total bytes allocated by Lustre, %d by LNET\n", \
795                        obd_memory_sum(), atomic_read(&libcfs_kmemory));       \
796         } else {                                                              \
797                 OBD_ALLOC_POST(ptr, size, "vmalloced");                       \
798         }                                                                     \
799 } while(0)
800
801 #define OBD_VMALLOC(ptr, size)                                                \
802          __OBD_VMALLOC_VERBOSE(ptr, NULL, 0, size)
803 #define OBD_CPT_VMALLOC(ptr, cptab, cpt, size)                                \
804          __OBD_VMALLOC_VERBOSE(ptr, cptab, cpt, size)
805
806 #define OBD_ALLOC_LARGE(ptr, size)                                            \
807 do {                                                                          \
808         /* LU-8196 - force large allocations to use vmalloc, not kmalloc */   \
809         if ((size) > KMALLOC_MAX_SIZE)                                          \
810                 ptr = NULL;                                                   \
811         else                                                                  \
812                 OBD_ALLOC_GFP(ptr, size, GFP_NOFS | __GFP_NOWARN);            \
813         if (ptr == NULL)                                                      \
814                 OBD_VMALLOC(ptr, size);                                       \
815 } while (0)
816
817 #define OBD_CPT_ALLOC_LARGE(ptr, cptab, cpt, size)                            \
818 do {                                                                          \
819         OBD_CPT_ALLOC_GFP(ptr, cptab, cpt, size, GFP_NOFS | __GFP_NOWARN);    \
820         if (ptr == NULL)                                                      \
821                 OBD_CPT_VMALLOC(ptr, cptab, cpt, size);                       \
822 } while (0)
823
824 #ifdef CONFIG_DEBUG_SLAB
825 #define POISON(ptr, c, s) do {} while (0)
826 #define POISON_PTR(ptr)  ((void)0)
827 #else
828 #define POISON(ptr, c, s) memset(ptr, c, s)
829 #define POISON_PTR(ptr)  (ptr) = (void *)0xdeadbeef
830 #endif
831
832 #ifdef POISON_BULK
833 #define POISON_PAGE(page, val) do { memset(kmap(page), val, PAGE_SIZE); \
834                                     kunmap(page); } while (0)
835 #else
836 #define POISON_PAGE(page, val) do { } while (0)
837 #endif
838
839 #define OBD_FREE(ptr, size)                                                   \
840 do {                                                                          \
841         OBD_FREE_PRE(ptr, size, "kfreed");                                    \
842         kfree(ptr);                                                           \
843         POISON_PTR(ptr);                                                      \
844 } while (0)
845
846 #define OBD_FREE_LARGE(ptr, size)                                             \
847 do {                                                                          \
848         if (is_vmalloc_addr(ptr)) {                                           \
849                 OBD_FREE_PRE(ptr, size, "vfreed");                            \
850                 vfree(ptr);                                                   \
851                 POISON_PTR(ptr);                                              \
852         } else {                                                              \
853                 OBD_FREE(ptr, size);                                          \
854         }                                                                     \
855 } while (0)
856
857 #define OBD_FREE_RCU(ptr, size, handle)                                       \
858 do {                                                                          \
859         struct portals_handle *__h = (handle);                                \
860                                                                               \
861         LASSERT(handle != NULL);                                              \
862         __h->h_cookie = (unsigned long)(ptr);                                 \
863         __h->h_size = (size);                                                 \
864         call_rcu(&__h->h_rcu, class_handle_free_cb);                          \
865         POISON_PTR(ptr);                                                      \
866 } while(0)
867
868 /* we memset() the slab object to 0 when allocation succeeds, so DO NOT
869  * HAVE A CTOR THAT DOES ANYTHING.  its work will be cleared here.  we'd
870  * love to assert on that, but slab.c keeps kmem_cache_s all to itself. */
871 #define OBD_SLAB_FREE_RTN0(ptr, slab)                                         \
872 ({                                                                            \
873         kmem_cache_free((slab), (ptr));                                    \
874         (ptr) = NULL;                                                         \
875         0;                                                                    \
876 })
877
878 #define __OBD_SLAB_ALLOC_VERBOSE(ptr, slab, cptab, cpt, size, type)           \
879 do {                                                                          \
880         LASSERT(ergo((type) != GFP_ATOMIC, !in_interrupt()));                 \
881         (ptr) = (cptab) == NULL ?                                             \
882                 kmem_cache_alloc(slab, (type) | __GFP_ZERO) :                 \
883                 cfs_mem_cache_cpt_alloc(slab, cptab, cpt, (type) | __GFP_ZERO); \
884         if (likely((ptr)))                                                    \
885                 OBD_ALLOC_POST(ptr, size, "slab-alloced");                    \
886 } while(0)
887
888 #define OBD_SLAB_ALLOC_GFP(ptr, slab, size, flags)                            \
889         __OBD_SLAB_ALLOC_VERBOSE(ptr, slab, NULL, 0, size, flags)
890 #define OBD_SLAB_CPT_ALLOC_GFP(ptr, slab, cptab, cpt, size, flags)            \
891         __OBD_SLAB_ALLOC_VERBOSE(ptr, slab, cptab, cpt, size, flags)
892
893 #define OBD_FREE_PTR(ptr) OBD_FREE(ptr, sizeof *(ptr))
894
895 #define OBD_SLAB_FREE(ptr, slab, size)                                        \
896 do {                                                                          \
897         OBD_FREE_PRE(ptr, size, "slab-freed");                                \
898         kmem_cache_free(slab, ptr);                                        \
899         POISON_PTR(ptr);                                                      \
900 } while(0)
901
902 #define OBD_SLAB_ALLOC(ptr, slab, size)                                       \
903         OBD_SLAB_ALLOC_GFP(ptr, slab, size, GFP_NOFS)
904
905 #define OBD_SLAB_CPT_ALLOC(ptr, slab, cptab, cpt, size)                       \
906         OBD_SLAB_CPT_ALLOC_GFP(ptr, slab, cptab, cpt, size, GFP_NOFS)
907
908 #define OBD_SLAB_ALLOC_PTR(ptr, slab)                                         \
909         OBD_SLAB_ALLOC(ptr, slab, sizeof *(ptr))
910
911 #define OBD_SLAB_CPT_ALLOC_PTR(ptr, slab, cptab, cpt)                         \
912         OBD_SLAB_CPT_ALLOC(ptr, slab, cptab, cpt, sizeof *(ptr))
913
914 #define OBD_SLAB_ALLOC_PTR_GFP(ptr, slab, flags)                              \
915         OBD_SLAB_ALLOC_GFP(ptr, slab, sizeof *(ptr), flags)
916
917 #define OBD_SLAB_CPT_ALLOC_PTR_GFP(ptr, slab, cptab, cpt, flags)                      \
918         OBD_SLAB_CPT_ALLOC_GFP(ptr, slab, cptab, cpt, sizeof *(ptr), flags)
919
920 #define OBD_SLAB_FREE_PTR(ptr, slab)                                          \
921         OBD_SLAB_FREE((ptr), (slab), sizeof *(ptr))
922
923 #define KEY_IS(str) \
924         (keylen >= (sizeof(str)-1) && memcmp(key, str, (sizeof(str)-1)) == 0)
925
926 /* LUSTRE_LMA_FL_MASKS defines which flags will be stored in LMA */
927
928 static inline int lma_to_lustre_flags(__u32 lma_flags)
929 {
930         return (lma_flags & LMAI_ORPHAN) ? LUSTRE_ORPHAN_FL : 0;
931 }
932
933 static inline int lustre_to_lma_flags(__u32 la_flags)
934 {
935         return (la_flags & LUSTRE_ORPHAN_FL) ? LMAI_ORPHAN : 0;
936 }
937
938 #endif