Whamcloud - gitweb
LU-9611 lod: allow -1 for default stripe count/offset
[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, 2016, 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 #ifndef __KERNEL__
37 # error Userspace should not include obd_support.h.
38 #endif /* !__KERNEL__ */
39
40 #include <linux/atomic.h>
41 #include <linux/highmem.h>
42 #include <linux/slab.h>
43 #include <linux/types.h>
44
45 #include <libcfs/libcfs.h>
46 #include <lprocfs_status.h>
47 #include <lustre_handles.h>
48
49 /* global variables */
50 extern struct lprocfs_stats *obd_memory;
51 enum {
52         OBD_MEMORY_STAT = 0,
53         OBD_STATS_NUM,
54 };
55
56 extern unsigned int obd_debug_peer_on_timeout;
57 extern unsigned int obd_dump_on_timeout;
58 extern unsigned int obd_dump_on_eviction;
59 /* obd_timeout should only be used for recovery, not for
60    networking / disk / timings affected by load (use Adaptive Timeouts) */
61 extern unsigned int obd_timeout;          /* seconds */
62 extern unsigned int ldlm_timeout;         /* seconds */
63 extern unsigned int obd_timeout_set;
64 extern unsigned int ldlm_timeout_set;
65 extern unsigned int bulk_timeout;
66 extern unsigned int at_min;
67 extern unsigned int at_max;
68 extern unsigned int at_history;
69 extern int at_early_margin;
70 extern int at_extra;
71 extern unsigned long obd_max_dirty_pages;
72 extern atomic_long_t obd_dirty_pages;
73 extern atomic_long_t obd_dirty_transit_pages;
74 extern char obd_jobid_var[];
75
76 /* Some hash init argument constants */
77 #define HASH_POOLS_BKT_BITS 3
78 #define HASH_POOLS_CUR_BITS 3
79 #define HASH_POOLS_MAX_BITS 7
80 #define HASH_UUID_BKT_BITS 5
81 #define HASH_UUID_CUR_BITS 7
82 #define HASH_UUID_MAX_BITS 12
83 #define HASH_NID_BKT_BITS 5
84 #define HASH_NID_CUR_BITS 7
85 #define HASH_NID_MAX_BITS 12
86 #define HASH_NID_STATS_BKT_BITS 5
87 #define HASH_NID_STATS_CUR_BITS 7
88 #define HASH_NID_STATS_MAX_BITS 12
89 #define HASH_GEN_BKT_BITS 5
90 #define HASH_GEN_CUR_BITS 7
91 #define HASH_GEN_MAX_BITS 12
92 #define HASH_LQE_BKT_BITS 5
93 #define HASH_LQE_CUR_BITS 7
94 #define HASH_LQE_MAX_BITS 12
95 #define HASH_CONN_BKT_BITS 5
96 #define HASH_CONN_CUR_BITS 5
97 #define HASH_CONN_MAX_BITS 15
98 #define HASH_EXP_LOCK_BKT_BITS  5
99 #define HASH_EXP_LOCK_CUR_BITS  7
100 #define HASH_EXP_LOCK_MAX_BITS  16
101 #define HASH_CL_ENV_BKT_BITS    5
102 #define HASH_CL_ENV_BITS        10
103 #define HASH_JOB_STATS_BKT_BITS 5
104 #define HASH_JOB_STATS_CUR_BITS 7
105 #define HASH_JOB_STATS_MAX_BITS 12
106
107 /* Timeout definitions */
108 #define OBD_TIMEOUT_DEFAULT             100
109 #define LDLM_TIMEOUT_DEFAULT            20
110 #define MDS_LDLM_TIMEOUT_DEFAULT        6
111 /* Time to wait for all clients to reconnect during recovery (hard limit) */
112 #define OBD_RECOVERY_TIME_HARD          (obd_timeout * 9)
113 /* Time to wait for all clients to reconnect during recovery (soft limit) */
114 /* Should be very conservative; must catch the first reconnect after reboot */
115 #define OBD_RECOVERY_TIME_SOFT          (obd_timeout * 3)
116 /* Change recovery-small 26b time if you change this */
117 #define PING_INTERVAL max(obd_timeout / 4, 1U)
118 /* a bit more than maximal journal commit time in seconds */
119 #define PING_INTERVAL_SHORT min(PING_INTERVAL, 7U)
120 /* Client may skip 1 ping; we must wait at least 2.5. But for multiple
121  * failover targets the client only pings one server at a time, and pings
122  * can be lost on a loaded network. Since eviction has serious consequences,
123  * and there's no urgent need to evict a client just because it's idle, we
124  * should be very conservative here. */
125 #define PING_EVICT_TIMEOUT (PING_INTERVAL * 6)
126 #define DISK_TIMEOUT 50          /* Beyond this we warn about disk speed */
127 #define CONNECTION_SWITCH_MIN 5U /* Connection switching rate limiter */
128  /* Max connect interval for nonresponsive servers; ~50s to avoid building up
129     connect requests in the LND queues, but within obd_timeout so we don't
130     miss the recovery window */
131 #define CONNECTION_SWITCH_MAX min(50U, max(CONNECTION_SWITCH_MIN,obd_timeout))
132 #define CONNECTION_SWITCH_INC 5  /* Connection timeout backoff */
133 /* In general this should be low to have quick detection of a system
134    running on a backup server. (If it's too low, import_select_connection
135    will increase the timeout anyhow.)  */
136 #define INITIAL_CONNECT_TIMEOUT max(CONNECTION_SWITCH_MIN,obd_timeout/20)
137 /* The max delay between connects is SWITCH_MAX + SWITCH_INC + INITIAL */
138 #define RECONNECT_DELAY_MAX (CONNECTION_SWITCH_MAX + CONNECTION_SWITCH_INC + \
139                              INITIAL_CONNECT_TIMEOUT)
140 /* The min time a target should wait for clients to reconnect in recovery */
141 #define OBD_RECOVERY_TIME_MIN    (2*RECONNECT_DELAY_MAX)
142 #define OBD_IR_FACTOR_MIN         1
143 #define OBD_IR_FACTOR_MAX         10
144 #define OBD_IR_FACTOR_DEFAULT    (OBD_IR_FACTOR_MAX/2)
145 /* default timeout for the MGS to become IR_FULL */
146 #define OBD_IR_MGS_TIMEOUT       (4*obd_timeout)
147 #define LONG_UNLINK 300          /* Unlink should happen before now */
148
149 /**
150  * Time interval of shrink, if the client is "idle" more than this interval,
151  * then the ll_grant thread will return the requested grant space to filter
152  */
153 #define GRANT_SHRINK_INTERVAL            1200/*20 minutes*/
154
155 #define OBD_FAIL_MDS                     0x100
156 #define OBD_FAIL_MDS_HANDLE_UNPACK       0x101
157 #define OBD_FAIL_MDS_GETATTR_NET         0x102
158 #define OBD_FAIL_MDS_GETATTR_PACK        0x103
159 #define OBD_FAIL_MDS_READPAGE_NET        0x104
160 #define OBD_FAIL_MDS_READPAGE_PACK       0x105
161 #define OBD_FAIL_MDS_SENDPAGE            0x106
162 #define OBD_FAIL_MDS_REINT_NET           0x107
163 #define OBD_FAIL_MDS_REINT_UNPACK        0x108
164 #define OBD_FAIL_MDS_REINT_SETATTR       0x109
165 #define OBD_FAIL_MDS_REINT_SETATTR_WRITE 0x10a
166 #define OBD_FAIL_MDS_REINT_CREATE        0x10b
167 #define OBD_FAIL_MDS_REINT_CREATE_WRITE  0x10c
168 #define OBD_FAIL_MDS_REINT_UNLINK        0x10d
169 #define OBD_FAIL_MDS_REINT_UNLINK_WRITE  0x10e
170 #define OBD_FAIL_MDS_REINT_LINK          0x10f
171 #define OBD_FAIL_MDS_REINT_LINK_WRITE    0x110
172 #define OBD_FAIL_MDS_REINT_RENAME        0x111
173 #define OBD_FAIL_MDS_REINT_RENAME_WRITE  0x112
174 #define OBD_FAIL_MDS_OPEN_NET            0x113
175 #define OBD_FAIL_MDS_OPEN_PACK           0x114
176 #define OBD_FAIL_MDS_CLOSE_NET           0x115
177 #define OBD_FAIL_MDS_CLOSE_PACK          0x116
178 #define OBD_FAIL_MDS_CONNECT_NET         0x117
179 #define OBD_FAIL_MDS_CONNECT_PACK        0x118
180 #define OBD_FAIL_MDS_REINT_NET_REP       0x119
181 #define OBD_FAIL_MDS_DISCONNECT_NET      0x11a
182 #define OBD_FAIL_MDS_GET_ROOT_NET        0x11b
183 #define OBD_FAIL_MDS_GET_ROOT_PACK       0x11c
184 #define OBD_FAIL_MDS_STATFS_PACK         0x11d
185 #define OBD_FAIL_MDS_STATFS_NET          0x11e
186 #define OBD_FAIL_MDS_GETATTR_NAME_NET    0x11f
187 #define OBD_FAIL_MDS_PIN_NET             0x120
188 #define OBD_FAIL_MDS_UNPIN_NET           0x121
189 #define OBD_FAIL_MDS_ALL_REPLY_NET       0x122
190 #define OBD_FAIL_MDS_ALL_REQUEST_NET     0x123
191 #define OBD_FAIL_MDS_SYNC_NET            0x124
192 #define OBD_FAIL_MDS_SYNC_PACK           0x125
193 /*      OBD_FAIL_MDS_DONE_WRITING_NET    0x126 obsolete since 2.8.0 */
194 /*      OBD_FAIL_MDS_DONE_WRITING_PACK   0x127 obsolete since 2.8.0 */
195 #define OBD_FAIL_MDS_ALLOC_OBDO          0x128
196 #define OBD_FAIL_MDS_PAUSE_OPEN          0x129
197 #define OBD_FAIL_MDS_STATFS_LCW_SLEEP    0x12a
198 #define OBD_FAIL_MDS_OPEN_CREATE         0x12b
199 #define OBD_FAIL_MDS_OST_SETATTR         0x12c
200 /*      OBD_FAIL_MDS_QUOTACHECK_NET      0x12d obsolete since 2.4 */
201 #define OBD_FAIL_MDS_QUOTACTL_NET        0x12e
202 #define OBD_FAIL_MDS_CLIENT_ADD          0x12f
203 #define OBD_FAIL_MDS_GETXATTR_NET        0x130
204 #define OBD_FAIL_MDS_GETXATTR_PACK       0x131
205 #define OBD_FAIL_MDS_SETXATTR_NET        0x132
206 #define OBD_FAIL_MDS_SETXATTR            0x133
207 #define OBD_FAIL_MDS_SETXATTR_WRITE      0x134
208 #define OBD_FAIL_MDS_FS_SETUP            0x135
209 #define OBD_FAIL_MDS_RESEND              0x136
210 #define OBD_FAIL_MDS_LLOG_CREATE_FAILED  0x137
211 #define OBD_FAIL_MDS_LOV_SYNC_RACE       0x138
212 #define OBD_FAIL_MDS_OSC_PRECREATE       0x139
213 #define OBD_FAIL_MDS_LLOG_SYNC_TIMEOUT   0x13a
214 #define OBD_FAIL_MDS_CLOSE_NET_REP       0x13b
215 #define OBD_FAIL_MDS_BLOCK_QUOTA_REQ     0x13c
216 #define OBD_FAIL_MDS_DROP_QUOTA_REQ      0x13d
217 #define OBD_FAIL_MDS_REMOVE_COMMON_EA    0x13e
218 #define OBD_FAIL_MDS_ALLOW_COMMON_EA_SETTING   0x13f
219 #define OBD_FAIL_MDS_FAIL_LOV_LOG_ADD    0x140
220 #define OBD_FAIL_MDS_LOV_PREP_CREATE     0x141
221 #define OBD_FAIL_MDS_REINT_DELAY         0x142
222 #define OBD_FAIL_MDS_READLINK_EPROTO     0x143
223 #define OBD_FAIL_MDS_OPEN_WAIT_CREATE    0x144
224 #define OBD_FAIL_MDS_PDO_LOCK            0x145
225 #define OBD_FAIL_MDS_PDO_LOCK2           0x146
226 #define OBD_FAIL_MDS_OSC_CREATE_FAIL     0x147
227 #define OBD_FAIL_MDS_NEGATIVE_POSITIVE   0x148
228 #define OBD_FAIL_MDS_HSM_STATE_GET_NET          0x149
229 #define OBD_FAIL_MDS_HSM_STATE_SET_NET          0x14a
230 #define OBD_FAIL_MDS_HSM_PROGRESS_NET           0x14b
231 #define OBD_FAIL_MDS_HSM_REQUEST_NET            0x14c
232 #define OBD_FAIL_MDS_HSM_CT_REGISTER_NET        0x14d
233 #define OBD_FAIL_MDS_HSM_CT_UNREGISTER_NET      0x14e
234 #define OBD_FAIL_MDS_SWAP_LAYOUTS_NET           0x14f
235 #define OBD_FAIL_MDS_HSM_ACTION_NET             0x150
236 #define OBD_FAIL_MDS_CHANGELOG_INIT             0x151
237 #define OBD_FAIL_MDS_HSM_SWAP_LAYOUTS           0x152
238 #define OBD_FAIL_MDS_RENAME              0x153
239 #define OBD_FAIL_MDS_RENAME2             0x154
240 #define OBD_FAIL_MDS_RENAME3             0x155
241 #define OBD_FAIL_MDS_RENAME4             0x156
242 #define OBD_FAIL_MDS_LDLM_REPLY_NET      0x157
243 #define OBD_FAIL_MDS_STALE_DIR_LAYOUT    0x158
244 #define OBD_FAIL_MDS_REINT_MULTI_NET     0x159
245 #define OBD_FAIL_MDS_REINT_MULTI_NET_REP 0x15a
246 #define OBD_FAIL_MDS_LLOG_CREATE_FAILED2 0x15b
247 #define OBD_FAIL_MDS_FLD_LOOKUP                 0x15c
248 #define OBD_FAIL_MDS_INTENT_DELAY               0x160
249 #define OBD_FAIL_MDS_XATTR_REP                  0x161
250 #define OBD_FAIL_MDS_TRACK_OVERFLOW      0x162
251 #define OBD_FAIL_MDS_LOV_CREATE_RACE     0x163
252
253 /* layout lock */
254 #define OBD_FAIL_MDS_NO_LL_GETATTR       0x170
255 #define OBD_FAIL_MDS_NO_LL_OPEN          0x171
256 #define OBD_FAIL_MDS_LL_BLOCK            0x172
257
258 /* CMD */
259 #define OBD_FAIL_MDS_IS_SUBDIR_NET       0x180
260 #define OBD_FAIL_MDS_IS_SUBDIR_PACK      0x181
261 #define OBD_FAIL_MDS_SET_INFO_NET        0x182
262 #define OBD_FAIL_MDS_WRITEPAGE_NET       0x183
263 #define OBD_FAIL_MDS_WRITEPAGE_PACK      0x184
264 #define OBD_FAIL_MDS_RECOVERY_ACCEPTS_GAPS 0x185
265 #define OBD_FAIL_MDS_GET_INFO_NET        0x186
266 #define OBD_FAIL_MDS_DQACQ_NET           0x187
267
268 /* OI scrub */
269 #define OBD_FAIL_OSD_SCRUB_DELAY                        0x190
270 #define OBD_FAIL_OSD_SCRUB_CRASH                        0x191
271 #define OBD_FAIL_OSD_SCRUB_FATAL                        0x192
272 #define OBD_FAIL_OSD_FID_MAPPING                        0x193
273 #define OBD_FAIL_OSD_LMA_INCOMPAT                       0x194
274 #define OBD_FAIL_OSD_COMPAT_INVALID_ENTRY               0x195
275 #define OBD_FAIL_OSD_COMPAT_NO_ENTRY                    0x196
276 #define OBD_FAIL_OSD_OST_EA_FID_SET                     0x197
277
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
330 #define OBD_FAIL_LDLM                    0x300
331 #define OBD_FAIL_LDLM_NAMESPACE_NEW      0x301
332 #define OBD_FAIL_LDLM_ENQUEUE_NET                       0x302
333 #define OBD_FAIL_LDLM_CONVERT_NET                       0x303
334 #define OBD_FAIL_LDLM_CANCEL_NET                        0x304
335 #define OBD_FAIL_LDLM_BL_CALLBACK_NET                   0x305
336 #define OBD_FAIL_LDLM_CP_CALLBACK_NET                   0x306
337 #define OBD_FAIL_LDLM_GL_CALLBACK_NET                   0x307
338 #define OBD_FAIL_LDLM_ENQUEUE_EXTENT_ERR 0x308
339 #define OBD_FAIL_LDLM_ENQUEUE_INTENT_ERR 0x309
340 #define OBD_FAIL_LDLM_CREATE_RESOURCE    0x30a
341 #define OBD_FAIL_LDLM_ENQUEUE_BLOCKED    0x30b
342 #define OBD_FAIL_LDLM_REPLY              0x30c
343 #define OBD_FAIL_LDLM_RECOV_CLIENTS      0x30d
344 #define OBD_FAIL_LDLM_ENQUEUE_OLD_EXPORT 0x30e
345 #define OBD_FAIL_LDLM_GLIMPSE            0x30f
346 #define OBD_FAIL_LDLM_CANCEL_RACE        0x310
347 #define OBD_FAIL_LDLM_CANCEL_EVICT_RACE  0x311
348 #define OBD_FAIL_LDLM_PAUSE_CANCEL       0x312
349 #define OBD_FAIL_LDLM_CLOSE_THREAD       0x313
350 #define OBD_FAIL_LDLM_CANCEL_BL_CB_RACE  0x314
351 #define OBD_FAIL_LDLM_CP_CB_WAIT         0x315
352 #define OBD_FAIL_LDLM_OST_FAIL_RACE      0x316
353 #define OBD_FAIL_LDLM_INTR_CP_AST        0x317
354 #define OBD_FAIL_LDLM_CP_BL_RACE         0x318
355 #define OBD_FAIL_LDLM_NEW_LOCK           0x319
356 #define OBD_FAIL_LDLM_AGL_DELAY          0x31a
357 #define OBD_FAIL_LDLM_AGL_NOLOCK         0x31b
358 #define OBD_FAIL_LDLM_OST_LVB            0x31c
359 #define OBD_FAIL_LDLM_ENQUEUE_HANG       0x31d
360 #define OBD_FAIL_LDLM_BL_EVICT           0x31e
361 #define OBD_FAIL_LDLM_PAUSE_CANCEL2      0x31f
362 #define OBD_FAIL_LDLM_CP_CB_WAIT2        0x320
363 #define OBD_FAIL_LDLM_CP_CB_WAIT3        0x321
364 #define OBD_FAIL_LDLM_CP_CB_WAIT4        0x322
365 #define OBD_FAIL_LDLM_CP_CB_WAIT5        0x323
366 #define OBD_FAIL_LDLM_SRV_BL_AST         0x324
367 #define OBD_FAIL_LDLM_SRV_CP_AST         0x325
368 #define OBD_FAIL_LDLM_SRV_GL_AST         0x326
369 #define OBD_FAIL_LDLM_WATERMARK_LOW      0x327
370 #define OBD_FAIL_LDLM_WATERMARK_HIGH     0x328
371
372 #define OBD_FAIL_LDLM_GRANT_CHECK        0x32a
373
374 /* LOCKLESS IO */
375 #define OBD_FAIL_LDLM_SET_CONTENTION     0x385
376
377 #define OBD_FAIL_OSC                     0x400
378 #define OBD_FAIL_OSC_BRW_READ_BULK       0x401
379 #define OBD_FAIL_OSC_BRW_WRITE_BULK      0x402
380 #define OBD_FAIL_OSC_LOCK_BL_AST         0x403
381 #define OBD_FAIL_OSC_LOCK_CP_AST         0x404
382 #define OBD_FAIL_OSC_MATCH               0x405
383 #define OBD_FAIL_OSC_BRW_PREP_REQ        0x406
384 #define OBD_FAIL_OSC_SHUTDOWN            0x407
385 #define OBD_FAIL_OSC_CHECKSUM_RECEIVE    0x408
386 #define OBD_FAIL_OSC_CHECKSUM_SEND       0x409
387 #define OBD_FAIL_OSC_BRW_PREP_REQ2       0x40a
388 /* #define OBD_FAIL_OSC_CONNECT_CKSUM       0x40b Obsolete since 2.9 */
389 #define OBD_FAIL_OSC_CKSUM_ADLER_ONLY    0x40c
390 #define OBD_FAIL_OSC_DIO_PAUSE           0x40d
391 #define OBD_FAIL_OSC_OBJECT_CONTENTION   0x40e
392 #define OBD_FAIL_OSC_CP_CANCEL_RACE      0x40f
393 #define OBD_FAIL_OSC_CP_ENQ_RACE         0x410
394 #define OBD_FAIL_OSC_NO_GRANT            0x411
395 #define OBD_FAIL_OSC_DELAY_SETTIME       0x412
396 #define OBD_FAIL_OSC_CONNECT_GRANT_PARAM 0x413
397 #define OBD_FAIL_OSC_DELAY_IO            0x414
398
399 #define OBD_FAIL_PTLRPC                  0x500
400 #define OBD_FAIL_PTLRPC_ACK              0x501
401 #define OBD_FAIL_PTLRPC_RQBD             0x502
402 #define OBD_FAIL_PTLRPC_BULK_GET_NET     0x503
403 #define OBD_FAIL_PTLRPC_BULK_PUT_NET     0x504
404 #define OBD_FAIL_PTLRPC_DROP_RPC         0x505
405 #define OBD_FAIL_PTLRPC_DELAY_SEND       0x506
406 #define OBD_FAIL_PTLRPC_DELAY_RECOV      0x507
407 #define OBD_FAIL_PTLRPC_CLIENT_BULK_CB   0x508
408 #define OBD_FAIL_PTLRPC_PAUSE_REQ        0x50a
409 #define OBD_FAIL_PTLRPC_PAUSE_REP        0x50c
410 #define OBD_FAIL_PTLRPC_IMP_DEACTIVE     0x50d
411 #define OBD_FAIL_PTLRPC_DUMP_LOG         0x50e
412 #define OBD_FAIL_PTLRPC_LONG_REPL_UNLINK 0x50f
413 #define OBD_FAIL_PTLRPC_LONG_BULK_UNLINK 0x510
414 #define OBD_FAIL_PTLRPC_HPREQ_TIMEOUT    0x511
415 #define OBD_FAIL_PTLRPC_HPREQ_NOTIMEOUT  0x512
416 #define OBD_FAIL_PTLRPC_DROP_REQ_OPC     0x513
417 #define OBD_FAIL_PTLRPC_FINISH_REPLAY    0x514
418 #define OBD_FAIL_PTLRPC_CLIENT_BULK_CB2  0x515
419 #define OBD_FAIL_PTLRPC_DELAY_IMP_FULL   0x516
420 #define OBD_FAIL_PTLRPC_CANCEL_RESEND    0x517
421 #define OBD_FAIL_PTLRPC_DROP_BULK        0x51a
422 #define OBD_FAIL_PTLRPC_LONG_REQ_UNLINK  0x51b
423 #define OBD_FAIL_PTLRPC_LONG_BOTH_UNLINK 0x51c
424 #define OBD_FAIL_PTLRPC_CLIENT_BULK_CB3  0x520
425
426 #define OBD_FAIL_OBD_PING_NET            0x600
427 #define OBD_FAIL_OBD_LOG_CANCEL_NET      0x601
428 #define OBD_FAIL_OBD_LOGD_NET            0x602
429 /*      OBD_FAIL_OBD_QC_CALLBACK_NET     0x603 obsolete since 2.4 */
430 #define OBD_FAIL_OBD_DQACQ               0x604
431 #define OBD_FAIL_OBD_LLOG_SETUP          0x605
432 #define OBD_FAIL_OBD_LOG_CANCEL_REP      0x606
433 #define OBD_FAIL_OBD_IDX_READ_NET        0x607
434 #define OBD_FAIL_OBD_IDX_READ_BREAK      0x608
435 #define OBD_FAIL_OBD_NO_LRU              0x609
436 #define OBD_FAIL_OBDCLASS_MODULE_LOAD    0x60a
437
438 #define OBD_FAIL_TGT_REPLY_NET           0x700
439 #define OBD_FAIL_TGT_CONN_RACE           0x701
440 #define OBD_FAIL_TGT_FORCE_RECONNECT     0x702
441 #define OBD_FAIL_TGT_DELAY_CONNECT       0x703
442 #define OBD_FAIL_TGT_DELAY_RECONNECT     0x704
443 #define OBD_FAIL_TGT_DELAY_PRECREATE     0x705
444 #define OBD_FAIL_TGT_TOOMANY_THREADS     0x706
445 #define OBD_FAIL_TGT_REPLAY_DROP         0x707
446 #define OBD_FAIL_TGT_FAKE_EXP            0x708
447 #define OBD_FAIL_TGT_REPLAY_DELAY        0x709
448 /* #define OBD_FAIL_TGT_LAST_REPLAY         0x710 (obsoleted) */
449 #define OBD_FAIL_TGT_CLIENT_ADD          0x711
450 #define OBD_FAIL_TGT_RCVG_FLAG           0x712
451 #define OBD_FAIL_TGT_DELAY_CONDITIONAL   0x713
452 #define OBD_FAIL_TGT_REPLAY_DELAY2       0x714
453 #define OBD_FAIL_TGT_REPLAY_RECONNECT    0x715
454 #define OBD_FAIL_TGT_MOUNT_RACE          0x716
455 #define OBD_FAIL_TGT_REPLAY_TIMEOUT      0x717
456 #define OBD_FAIL_TGT_CLIENT_DEL          0x718
457 #define OBD_FAIL_TGT_SLUGGISH_NET        0x719
458 #define OBD_FAIL_TGT_RCVD_EIO            0x720
459
460 #define OBD_FAIL_MDC_REVALIDATE_PAUSE    0x800
461 #define OBD_FAIL_MDC_ENQUEUE_PAUSE       0x801
462 #define OBD_FAIL_MDC_OLD_EXT_FLAGS       0x802
463 #define OBD_FAIL_MDC_GETATTR_ENQUEUE     0x803
464 #define OBD_FAIL_MDC_RPCS_SEM            0x804
465 #define OBD_FAIL_MDC_LIGHTWEIGHT         0x805
466 #define OBD_FAIL_MDC_CLOSE               0x806
467
468 #define OBD_FAIL_MGS                     0x900
469 #define OBD_FAIL_MGS_ALL_REQUEST_NET     0x901
470 #define OBD_FAIL_MGS_ALL_REPLY_NET       0x902
471 #define OBD_FAIL_MGC_PAUSE_PROCESS_LOG   0x903
472 #define OBD_FAIL_MGS_PAUSE_REQ           0x904
473 #define OBD_FAIL_MGS_PAUSE_TARGET_REG    0x905
474 #define OBD_FAIL_MGS_CONNECT_NET         0x906
475 #define OBD_FAIL_MGS_DISCONNECT_NET      0x907
476 #define OBD_FAIL_MGS_SET_INFO_NET        0x908
477 #define OBD_FAIL_MGS_EXCEPTION_NET       0x909
478 #define OBD_FAIL_MGS_TARGET_REG_NET      0x90a
479 #define OBD_FAIL_MGS_TARGET_DEL_NET      0x90b
480 #define OBD_FAIL_MGS_CONFIG_READ_NET     0x90c
481 #define OBD_FAIL_MGS_LDLM_REPLY_NET      0x90d
482 #define OBD_FAIL_MGS_WRITE_TARGET_DELAY  0x90e
483
484 #define OBD_FAIL_QUOTA_DQACQ_NET                        0xA01
485 #define OBD_FAIL_QUOTA_EDQUOT            0xA02
486 #define OBD_FAIL_QUOTA_DELAY_REINT       0xA03
487 #define OBD_FAIL_QUOTA_RECOVERABLE_ERR   0xA04
488
489 #define OBD_FAIL_LPROC_REMOVE            0xB00
490
491 #define OBD_FAIL_SEQ                     0x1000
492 #define OBD_FAIL_SEQ_QUERY_NET           0x1001
493 #define OBD_FAIL_SEQ_EXHAUST             0x1002
494
495 #define OBD_FAIL_FLD                     0x1100
496 #define OBD_FAIL_FLD_QUERY_NET           0x1101
497 #define OBD_FAIL_FLD_READ_NET            0x1102
498
499 #define OBD_FAIL_SEC_CTX                 0x1200
500 #define OBD_FAIL_SEC_CTX_INIT_NET        0x1201
501 #define OBD_FAIL_SEC_CTX_INIT_CONT_NET   0x1202
502 #define OBD_FAIL_SEC_CTX_FINI_NET        0x1203
503 #define OBD_FAIL_SEC_CTX_HDL_PAUSE       0x1204
504
505 #define OBD_FAIL_LLOG                               0x1300
506 #define OBD_FAIL_LLOG_ORIGIN_CONNECT_NET            0x1301
507 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_CREATE_NET      0x1302
508 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_DESTROY_NET     0x1303
509 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_READ_HEADER_NET 0x1304
510 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_NEXT_BLOCK_NET  0x1305
511 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_PREV_BLOCK_NET  0x1306
512 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_WRITE_REC_NET   0x1307
513 #define OBD_FAIL_LLOG_ORIGIN_HANDLE_CLOSE_NET       0x1308
514 #define OBD_FAIL_LLOG_CATINFO_NET                   0x1309
515 #define OBD_FAIL_MDS_SYNC_CAPA_SL                   0x1310
516 #define OBD_FAIL_SEQ_ALLOC                          0x1311
517 #define OBD_FAIL_CAT_RECORDS                        0x1312
518
519 #define OBD_FAIL_LLITE                              0x1400
520 #define OBD_FAIL_LLITE_FAULT_TRUNC_RACE             0x1401
521 #define OBD_FAIL_LOCK_STATE_WAIT_INTR               0x1402
522 #define OBD_FAIL_LOV_INIT                           0x1403
523 #define OBD_FAIL_GLIMPSE_DELAY                      0x1404
524 #define OBD_FAIL_LLITE_XATTR_ENOMEM                 0x1405
525 #define OBD_FAIL_MAKE_LOVEA_HOLE                    0x1406
526 #define OBD_FAIL_LLITE_LOST_LAYOUT                  0x1407
527 #define OBD_FAIL_LLITE_NO_CHECK_DEAD                0x1408
528 #define OBD_FAIL_GETATTR_DELAY                      0x1409
529 #define OBD_FAIL_LLITE_CREATE_FILE_PAUSE            0x1409
530 #define OBD_FAIL_LLITE_NEWNODE_PAUSE                0x140a
531 #define OBD_FAIL_LLITE_SETDIRSTRIPE_PAUSE           0x140b
532 #define OBD_FAIL_LLITE_CREATE_NODE_PAUSE            0x140c
533 #define OBD_FAIL_LLITE_PTASK_IO_FAIL                0x140d
534 #define OBD_FAIL_LLITE_IMUTEX_SEC                   0x140e
535 #define OBD_FAIL_LLITE_IMUTEX_NOSEC                 0x140f
536
537 #define OBD_FAIL_FID_INDIR      0x1501
538 #define OBD_FAIL_FID_INLMA      0x1502
539 #define OBD_FAIL_FID_IGIF       0x1504
540 #define OBD_FAIL_FID_LOOKUP     0x1505
541 #define OBD_FAIL_FID_NOLMA      0x1506
542
543 /* LFSCK */
544 #define OBD_FAIL_LFSCK_DELAY1           0x1600
545 #define OBD_FAIL_LFSCK_DELAY2           0x1601
546 #define OBD_FAIL_LFSCK_DELAY3           0x1602
547 #define OBD_FAIL_LFSCK_LINKEA_CRASH     0x1603
548 #define OBD_FAIL_LFSCK_LINKEA_MORE      0x1604
549 #define OBD_FAIL_LFSCK_LINKEA_MORE2     0x1605
550 #define OBD_FAIL_LFSCK_FATAL1           0x1608
551 #define OBD_FAIL_LFSCK_FATAL2           0x1609
552 #define OBD_FAIL_LFSCK_CRASH            0x160a
553 #define OBD_FAIL_LFSCK_NO_AUTO          0x160b
554 #define OBD_FAIL_LFSCK_NO_DOUBLESCAN    0x160c
555 #define OBD_FAIL_LFSCK_SKIP_LASTID      0x160d
556 #define OBD_FAIL_LFSCK_DELAY4           0x160e
557 #define OBD_FAIL_LFSCK_BAD_LMMOI        0x160f
558 #define OBD_FAIL_LFSCK_DANGLING         0x1610
559 #define OBD_FAIL_LFSCK_UNMATCHED_PAIR1  0x1611
560 #define OBD_FAIL_LFSCK_UNMATCHED_PAIR2  0x1612
561 #define OBD_FAIL_LFSCK_BAD_OWNER        0x1613
562 #define OBD_FAIL_LFSCK_MULTIPLE_REF     0x1614
563 #define OBD_FAIL_LFSCK_LOST_STRIPE      0x1615
564 #define OBD_FAIL_LFSCK_LOST_MDTOBJ      0x1616
565 #define OBD_FAIL_LFSCK_NOPFID           0x1617
566 #define OBD_FAIL_LFSCK_CHANGE_STRIPE    0x1618
567 #define OBD_FAIL_LFSCK_INVALID_PFID     0x1619
568 #define OBD_FAIL_LFSCK_LOST_SPEOBJ      0x161a
569 #define OBD_FAIL_LFSCK_DELAY5           0x161b
570 #define OBD_FAIL_LFSCK_BAD_NETWORK      0x161c
571 #define OBD_FAIL_LFSCK_NO_LINKEA        0x161d
572 #define OBD_FAIL_LFSCK_BAD_PARENT       0x161e
573 #define OBD_FAIL_LFSCK_DANGLING2        0x1620
574 #define OBD_FAIL_LFSCK_DANGLING3        0x1621
575 #define OBD_FAIL_LFSCK_MUL_REF          0x1622
576 #define OBD_FAIL_LFSCK_BAD_TYPE         0x1623
577 #define OBD_FAIL_LFSCK_NO_NAMEENTRY     0x1624
578 #define OBD_FAIL_LFSCK_LESS_NLINK       0x1626
579 #define OBD_FAIL_LFSCK_BAD_NAME_HASH    0x1628
580 #define OBD_FAIL_LFSCK_LOST_MASTER_LMV  0x1629
581 #define OBD_FAIL_LFSCK_LOST_SLAVE_LMV   0x162a
582 #define OBD_FAIL_LFSCK_BAD_SLAVE_LMV    0x162b
583 #define OBD_FAIL_LFSCK_BAD_SLAVE_NAME   0x162c
584 #define OBD_FAIL_LFSCK_ASSISTANT_DIRECT 0x162d
585 #define OBD_FAIL_LFSCK_LOST_MDTOBJ2     0x162e
586 #define OBD_FAIL_LFSCK_BAD_PFL_RANGE    0x162f
587
588 #define OBD_FAIL_LFSCK_NOTIFY_NET       0x16f0
589 #define OBD_FAIL_LFSCK_QUERY_NET        0x16f1
590
591 /* UPDATE */
592 #define OBD_FAIL_OUT_UPDATE_NET         0x1700
593 #define OBD_FAIL_OUT_UPDATE_NET_REP     0x1701
594 #define OBD_FAIL_SPLIT_UPDATE_REC       0x1702
595 #define OBD_FAIL_LARGE_STRIPE           0x1703
596 #define OBD_FAIL_OUT_ENOSPC             0x1704
597 #define OBD_FAIL_INVALIDATE_UPDATE      0x1705
598
599 /* MIGRATE */
600 #define OBD_FAIL_MIGRATE_NET_REP                0x1800
601 #define OBD_FAIL_MIGRATE_ENTRIES                0x1801
602 #define OBD_FAIL_MIGRATE_LINKEA                 0x1802
603 #define OBD_FAIL_MIGRATE_DELAY                  0x1803
604
605 /* LMV */
606 #define OBD_FAIL_UNKNOWN_LMV_STRIPE             0x1901
607
608 /* DT */
609 #define OBD_FAIL_DT_DECLARE_ATTR_GET            0x2000
610 #define OBD_FAIL_DT_ATTR_GET                    0x2001
611 #define OBD_FAIL_DT_DECLARE_ATTR_SET            0x2002
612 #define OBD_FAIL_DT_ATTR_SET                    0x2003
613 #define OBD_FAIL_DT_DECLARE_XATTR_GET           0x2004
614 #define OBD_FAIL_DT_XATTR_GET                   0x2005
615 #define OBD_FAIL_DT_DECLARE_XATTR_SET           0x2006
616 #define OBD_FAIL_DT_XATTR_SET                   0x2007
617 #define OBD_FAIL_DT_DECLARE_XATTR_DEL           0x2008
618 #define OBD_FAIL_DT_XATTR_DEL                   0x2009
619 #define OBD_FAIL_DT_XATTR_LIST                  0x200a
620 #define OBD_FAIL_DT_DECLARE_CREATE              0x200b
621 #define OBD_FAIL_DT_CREATE                      0x200c
622 #define OBD_FAIL_DT_DECLARE_DESTROY             0x200d
623 #define OBD_FAIL_DT_DESTROY                     0x200e
624 #define OBD_FAIL_DT_INDEX_TRY                   0x200f
625 #define OBD_FAIL_DT_DECLARE_REF_ADD             0x2010
626 #define OBD_FAIL_DT_REF_ADD                     0x2011
627 #define OBD_FAIL_DT_DECLARE_REF_DEL             0x2012
628 #define OBD_FAIL_DT_REF_DEL                     0x2013
629 #define OBD_FAIL_DT_DECLARE_INSERT              0x2014
630 #define OBD_FAIL_DT_INSERT                      0x2015
631 #define OBD_FAIL_DT_DECLARE_DELETE              0x2016
632 #define OBD_FAIL_DT_DELETE                      0x2017
633 #define OBD_FAIL_DT_LOOKUP                      0x2018
634 #define OBD_FAIL_DT_TXN_STOP                    0x2019
635
636 #define OBD_FAIL_OSP_CHECK_INVALID_REC          0x2100
637 #define OBD_FAIL_OSP_CHECK_ENOMEM               0x2101
638 #define OBD_FAIL_OSP_FAKE_PRECREATE             0x2102
639
640  /* barrier */
641 #define OBD_FAIL_MGS_BARRIER_READ_NET           0x2200
642 #define OBD_FAIL_MGS_BARRIER_NOTIFY_NET         0x2201
643
644 #define OBD_FAIL_BARRIER_DELAY                  0x2202
645 #define OBD_FAIL_BARRIER_FAILURE                0x2203
646
647 /* Assign references to moved code to reduce code changes */
648 #define OBD_FAIL_PRECHECK(id)                   CFS_FAIL_PRECHECK(id)
649 #define OBD_FAIL_CHECK(id)                      CFS_FAIL_CHECK(id)
650 #define OBD_FAIL_CHECK_VALUE(id, value)         CFS_FAIL_CHECK_VALUE(id, value)
651 #define OBD_FAIL_CHECK_ORSET(id, value)         CFS_FAIL_CHECK_ORSET(id, value)
652 #define OBD_FAIL_CHECK_RESET(id, value)         CFS_FAIL_CHECK_RESET(id, value)
653 #define OBD_FAIL_RETURN(id, ret)                CFS_FAIL_RETURN(id, ret)
654 #define OBD_FAIL_TIMEOUT(id, secs)              CFS_FAIL_TIMEOUT(id, secs)
655 #define OBD_FAIL_TIMEOUT_MS(id, ms)             CFS_FAIL_TIMEOUT_MS(id, ms)
656 #define OBD_FAIL_TIMEOUT_ORSET(id, value, secs) CFS_FAIL_TIMEOUT_ORSET(id, value, secs)
657 #define OBD_RACE(id)                            CFS_RACE(id)
658 #define OBD_FAIL_ONCE                           CFS_FAIL_ONCE
659 #define OBD_FAILED                              CFS_FAILED
660
661 #define LUT_FAIL_CLASS(fail_id)                 (((fail_id) >> 8) << 16)
662 #define LUT_FAIL_MGT                            LUT_FAIL_CLASS(OBD_FAIL_MGS)
663 #define LUT_FAIL_MDT                            LUT_FAIL_CLASS(OBD_FAIL_MDS)
664 #define LUT_FAIL_OST                            LUT_FAIL_CLASS(OBD_FAIL_OST)
665
666 extern atomic_t libcfs_kmemory;
667
668 #ifdef CONFIG_PROC_FS
669 #define obd_memory_add(size)                                                  \
670         lprocfs_counter_add(obd_memory, OBD_MEMORY_STAT, (long)(size))
671 #define obd_memory_sub(size)                                                  \
672         lprocfs_counter_sub(obd_memory, OBD_MEMORY_STAT, (long)(size))
673 #define obd_memory_sum()                                                      \
674         lprocfs_stats_collector(obd_memory, OBD_MEMORY_STAT,                  \
675                                 LPROCFS_FIELDS_FLAGS_SUM)
676
677 extern void obd_update_maxusage(void);
678 extern __u64 obd_memory_max(void);
679
680 #else /* CONFIG_PROC_FS */
681
682 extern __u64 obd_alloc;
683
684 extern __u64 obd_max_alloc;
685
686 static inline void obd_memory_add(long size)
687 {
688         obd_alloc += size;
689         if (obd_alloc > obd_max_alloc)
690                 obd_max_alloc = obd_alloc;
691 }
692
693 static inline void obd_memory_sub(long size)
694 {
695         obd_alloc -= size;
696 }
697
698 #define obd_memory_sum() (obd_alloc)
699
700 #define obd_memory_max() (obd_max_alloc)
701
702 #endif /* !CONFIG_PROC_FS */
703
704 #define OBD_DEBUG_MEMUSAGE (1)
705
706 #if OBD_DEBUG_MEMUSAGE
707 #define OBD_ALLOC_POST(ptr, size, name)                                 \
708                 obd_memory_add(size);                                   \
709                 CDEBUG(D_MALLOC, name " '" #ptr "': %d at %p.\n",       \
710                        (int)(size), ptr)
711
712 #define OBD_FREE_PRE(ptr, size, name)                                   \
713         LASSERT(ptr);                                                   \
714         obd_memory_sub(size);                                           \
715         CDEBUG(D_MALLOC, name " '" #ptr "': %d at %p.\n",               \
716                (int)(size), ptr);                                       \
717         POISON(ptr, 0x5a, size)
718
719 #else /* !OBD_DEBUG_MEMUSAGE */
720
721 #define OBD_ALLOC_POST(ptr, size, name) ((void)0)
722 #define OBD_FREE_PRE(ptr, size, name)   ((void)0)
723
724 #endif /* !OBD_DEBUG_MEMUSAGE */
725
726 #define __OBD_MALLOC_VERBOSE(ptr, cptab, cpt, size, flags)                    \
727 do {                                                                          \
728         (ptr) = (cptab) == NULL ?                                             \
729                 kmalloc(size, (flags) | __GFP_ZERO) :                         \
730                 cfs_cpt_malloc(cptab, cpt, size, (flags) | __GFP_ZERO);       \
731         if (likely((ptr) != NULL))                                            \
732                 OBD_ALLOC_POST(ptr, size, "kmalloced");                       \
733 } while (0)
734
735 #define OBD_ALLOC_GFP(ptr, size, gfp_mask)                                    \
736         __OBD_MALLOC_VERBOSE(ptr, NULL, 0, size, gfp_mask)
737
738 #define OBD_ALLOC(ptr, size) OBD_ALLOC_GFP(ptr, size, GFP_NOFS)
739 #define OBD_ALLOC_WAIT(ptr, size) OBD_ALLOC_GFP(ptr, size, GFP_KERNEL)
740 #define OBD_ALLOC_PTR(ptr) OBD_ALLOC(ptr, sizeof *(ptr))
741 #define OBD_ALLOC_PTR_WAIT(ptr) OBD_ALLOC_WAIT(ptr, sizeof *(ptr))
742
743 #define OBD_CPT_ALLOC_GFP(ptr, cptab, cpt, size, gfp_mask)                    \
744         __OBD_MALLOC_VERBOSE(ptr, cptab, cpt, size, gfp_mask)
745
746 #define OBD_CPT_ALLOC(ptr, cptab, cpt, size)                                  \
747         OBD_CPT_ALLOC_GFP(ptr, cptab, cpt, size, GFP_NOFS)
748
749 #define OBD_CPT_ALLOC_PTR(ptr, cptab, cpt)                                    \
750         OBD_CPT_ALLOC(ptr, cptab, cpt, sizeof *(ptr))
751
752 /* Direct use of __vmalloc() allows for protection flag specification
753  * (and particularly to not set __GFP_FS, which is likely to cause some
754  * deadlock situations in our code).
755  */
756 #define __OBD_VMALLOC_VERBOSE(ptr, cptab, cpt, size)                          \
757 do {                                                                          \
758         (ptr) = cptab == NULL ?                                               \
759                 __vmalloc(size, GFP_NOFS | __GFP_HIGHMEM | __GFP_ZERO,        \
760                           PAGE_KERNEL) :                                      \
761                 cfs_cpt_vzalloc(cptab, cpt, size);                            \
762         if (unlikely((ptr) == NULL)) {                                        \
763                 CERROR("vmalloc of '" #ptr "' (%d bytes) failed\n",           \
764                        (int)(size));                                          \
765                 CERROR("%llu total bytes allocated by Lustre, %d by LNET\n", \
766                        obd_memory_sum(), atomic_read(&libcfs_kmemory));       \
767         } else {                                                              \
768                 OBD_ALLOC_POST(ptr, size, "vmalloced");                       \
769         }                                                                     \
770 } while(0)
771
772 #define OBD_VMALLOC(ptr, size)                                                \
773          __OBD_VMALLOC_VERBOSE(ptr, NULL, 0, size)
774 #define OBD_CPT_VMALLOC(ptr, cptab, cpt, size)                                \
775          __OBD_VMALLOC_VERBOSE(ptr, cptab, cpt, size)
776
777 #define OBD_ALLOC_LARGE(ptr, size)                                            \
778 do {                                                                          \
779         /* LU-8196 - force large allocations to use vmalloc, not kmalloc */   \
780         if ((size) > KMALLOC_MAX_SIZE)                                          \
781                 ptr = NULL;                                                   \
782         else                                                                  \
783                 OBD_ALLOC_GFP(ptr, size, GFP_NOFS | __GFP_NOWARN);            \
784         if (ptr == NULL)                                                      \
785                 OBD_VMALLOC(ptr, size);                                       \
786 } while (0)
787
788 #define OBD_CPT_ALLOC_LARGE(ptr, cptab, cpt, size)                            \
789 do {                                                                          \
790         OBD_CPT_ALLOC_GFP(ptr, cptab, cpt, size, GFP_NOFS | __GFP_NOWARN);    \
791         if (ptr == NULL)                                                      \
792                 OBD_CPT_VMALLOC(ptr, cptab, cpt, size);                       \
793 } while (0)
794
795 #ifdef CONFIG_DEBUG_SLAB
796 #define POISON(ptr, c, s) do {} while (0)
797 #define POISON_PTR(ptr)  ((void)0)
798 #else
799 #define POISON(ptr, c, s) memset(ptr, c, s)
800 #define POISON_PTR(ptr)  (ptr) = (void *)0xdeadbeef
801 #endif
802
803 #ifdef POISON_BULK
804 #define POISON_PAGE(page, val) do { memset(kmap(page), val, PAGE_SIZE); \
805                                     kunmap(page); } while (0)
806 #else
807 #define POISON_PAGE(page, val) do { } while (0)
808 #endif
809
810 #define OBD_FREE(ptr, size)                                                   \
811 do {                                                                          \
812         OBD_FREE_PRE(ptr, size, "kfreed");                                    \
813         kfree(ptr);                                                           \
814         POISON_PTR(ptr);                                                      \
815 } while (0)
816
817 #define OBD_FREE_LARGE(ptr, size)                                             \
818 do {                                                                          \
819         if (is_vmalloc_addr(ptr)) {                                           \
820                 OBD_FREE_PRE(ptr, size, "vfreed");                            \
821                 vfree(ptr);                                                   \
822                 POISON_PTR(ptr);                                              \
823         } else {                                                              \
824                 OBD_FREE(ptr, size);                                          \
825         }                                                                     \
826 } while (0)
827
828 #define OBD_FREE_RCU(ptr, size, handle)                                       \
829 do {                                                                          \
830         struct portals_handle *__h = (handle);                                \
831                                                                               \
832         LASSERT(handle != NULL);                                              \
833         __h->h_cookie = (unsigned long)(ptr);                                 \
834         __h->h_size = (size);                                                 \
835         call_rcu(&__h->h_rcu, class_handle_free_cb);                          \
836         POISON_PTR(ptr);                                                      \
837 } while(0)
838
839 /* we memset() the slab object to 0 when allocation succeeds, so DO NOT
840  * HAVE A CTOR THAT DOES ANYTHING.  its work will be cleared here.  we'd
841  * love to assert on that, but slab.c keeps kmem_cache_s all to itself. */
842 #define OBD_SLAB_FREE_RTN0(ptr, slab)                                         \
843 ({                                                                            \
844         kmem_cache_free((slab), (ptr));                                    \
845         (ptr) = NULL;                                                         \
846         0;                                                                    \
847 })
848
849 #define __OBD_SLAB_ALLOC_VERBOSE(ptr, slab, cptab, cpt, size, type)           \
850 do {                                                                          \
851         LASSERT(ergo((type) != GFP_ATOMIC, !in_interrupt()));                 \
852         (ptr) = (cptab) == NULL ?                                             \
853                 kmem_cache_alloc(slab, (type) | __GFP_ZERO) :                 \
854                 cfs_mem_cache_cpt_alloc(slab, cptab, cpt, (type) | __GFP_ZERO); \
855         if (likely((ptr)))                                                    \
856                 OBD_ALLOC_POST(ptr, size, "slab-alloced");                    \
857 } while(0)
858
859 #define OBD_SLAB_ALLOC_GFP(ptr, slab, size, flags)                            \
860         __OBD_SLAB_ALLOC_VERBOSE(ptr, slab, NULL, 0, size, flags)
861 #define OBD_SLAB_CPT_ALLOC_GFP(ptr, slab, cptab, cpt, size, flags)            \
862         __OBD_SLAB_ALLOC_VERBOSE(ptr, slab, cptab, cpt, size, flags)
863
864 #define OBD_FREE_PTR(ptr) OBD_FREE(ptr, sizeof *(ptr))
865
866 #define OBD_SLAB_FREE(ptr, slab, size)                                        \
867 do {                                                                          \
868         OBD_FREE_PRE(ptr, size, "slab-freed");                                \
869         kmem_cache_free(slab, ptr);                                        \
870         POISON_PTR(ptr);                                                      \
871 } while(0)
872
873 #define OBD_SLAB_ALLOC(ptr, slab, size)                                       \
874         OBD_SLAB_ALLOC_GFP(ptr, slab, size, GFP_NOFS)
875
876 #define OBD_SLAB_CPT_ALLOC(ptr, slab, cptab, cpt, size)                       \
877         OBD_SLAB_CPT_ALLOC_GFP(ptr, slab, cptab, cpt, size, GFP_NOFS)
878
879 #define OBD_SLAB_ALLOC_PTR(ptr, slab)                                         \
880         OBD_SLAB_ALLOC(ptr, slab, sizeof *(ptr))
881
882 #define OBD_SLAB_CPT_ALLOC_PTR(ptr, slab, cptab, cpt)                         \
883         OBD_SLAB_CPT_ALLOC(ptr, slab, cptab, cpt, sizeof *(ptr))
884
885 #define OBD_SLAB_ALLOC_PTR_GFP(ptr, slab, flags)                              \
886         OBD_SLAB_ALLOC_GFP(ptr, slab, sizeof *(ptr), flags)
887
888 #define OBD_SLAB_CPT_ALLOC_PTR_GFP(ptr, slab, cptab, cpt, flags)                      \
889         OBD_SLAB_CPT_ALLOC_GFP(ptr, slab, cptab, cpt, sizeof *(ptr), flags)
890
891 #define OBD_SLAB_FREE_PTR(ptr, slab)                                          \
892         OBD_SLAB_FREE((ptr), (slab), sizeof *(ptr))
893
894 #define KEY_IS(str) \
895         (keylen >= (sizeof(str)-1) && memcmp(key, str, (sizeof(str)-1)) == 0)
896
897 /* LUSTRE_LMA_FL_MASKS defines which flags will be stored in LMA */
898
899 static inline int lma_to_lustre_flags(__u32 lma_flags)
900 {
901         return (lma_flags & LMAI_ORPHAN) ? LUSTRE_ORPHAN_FL : 0;
902 }
903
904 static inline int lustre_to_lma_flags(__u32 la_flags)
905 {
906         return (la_flags & LUSTRE_ORPHAN_FL) ? LMAI_ORPHAN : 0;
907 }
908
909 #endif