1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
2 * vim:expandtab:shiftwidth=8:tabstop=8:
4 * Copyright (C) 2001, 2002 Cluster File Systems, Inc.
6 * This file is part of Lustre, http://www.lustre.org.
8 * Lustre is free software; you can redistribute it and/or
9 * modify it under the terms of version 2 of the GNU General Public
10 * License as published by the Free Software Foundation.
12 * Lustre is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with Lustre; if not, write to the Free Software
19 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
26 #include <libcfs/kp30.h>
28 #include <lprocfs_status.h>
30 #if defined(__linux__)
31 #include <linux/obd_support.h>
32 #elif defined(__APPLE__)
33 #include <darwin/obd_support.h>
34 #elif defined(__WINNT__)
35 #include <winnt/obd_support.h>
37 #error Unsupported operating system.
40 /* global variables */
41 extern struct lprocfs_stats *obd_memory;
44 OBD_MEMORY_PAGES_STAT = 1,
49 OBD_FAIL_LOC_NOSET = 0,
50 OBD_FAIL_LOC_ORSET = 1,
51 OBD_FAIL_LOC_RESET = 2
54 extern unsigned long obd_fail_loc;
55 extern unsigned int obd_fail_val;
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 extern unsigned int obd_timeout; /* seconds */
60 #define PING_INTERVAL max(obd_timeout / 4, 1U)
61 #define RECONNECT_INTERVAL max(obd_timeout / 10, 10U)
62 extern unsigned int ldlm_timeout;
63 extern unsigned int obd_health_check_timeout;
64 extern unsigned int obd_sync_filter;
65 extern unsigned int obd_max_dirty_pages;
66 extern atomic_t obd_dirty_pages;
67 extern cfs_waitq_t obd_race_waitq;
68 extern int obd_race_state;
69 extern unsigned int obd_alloc_fail_rate;
71 int __obd_fail_check_set(__u32 id, __u32 value, int set);
73 /* Timeout definitions */
74 #define LDLM_TIMEOUT_DEFAULT 20
75 #define OBD_TIMEOUT_DEFAULT 100
76 #define HEALTH_CHECK_COEF 3 / 2
77 #define HEALTH_CHECK_TIMEOUT_DEFAULT (OBD_TIMEOUT_DEFAULT * HEALTH_CHECK_COEF)
78 #define HEALTH_CHECK_TIMEOUT (obd_timeout * HEALTH_CHECK_COEF)
80 #define OBD_FAIL_MDS 0x100
81 #define OBD_FAIL_MDS_HANDLE_UNPACK 0x101
82 #define OBD_FAIL_MDS_GETATTR_NET 0x102
83 #define OBD_FAIL_MDS_GETATTR_PACK 0x103
84 #define OBD_FAIL_MDS_READPAGE_NET 0x104
85 #define OBD_FAIL_MDS_READPAGE_PACK 0x105
86 #define OBD_FAIL_MDS_SENDPAGE 0x106
87 #define OBD_FAIL_MDS_REINT_NET 0x107
88 #define OBD_FAIL_MDS_REINT_UNPACK 0x108
89 #define OBD_FAIL_MDS_REINT_SETATTR 0x109
90 #define OBD_FAIL_MDS_REINT_SETATTR_WRITE 0x10a
91 #define OBD_FAIL_MDS_REINT_CREATE 0x10b
92 #define OBD_FAIL_MDS_REINT_CREATE_WRITE 0x10c
93 #define OBD_FAIL_MDS_REINT_UNLINK 0x10d
94 #define OBD_FAIL_MDS_REINT_UNLINK_WRITE 0x10e
95 #define OBD_FAIL_MDS_REINT_LINK 0x10f
96 #define OBD_FAIL_MDS_REINT_LINK_WRITE 0x110
97 #define OBD_FAIL_MDS_REINT_RENAME 0x111
98 #define OBD_FAIL_MDS_REINT_RENAME_WRITE 0x112
99 #define OBD_FAIL_MDS_OPEN_NET 0x113
100 #define OBD_FAIL_MDS_OPEN_PACK 0x114
101 #define OBD_FAIL_MDS_CLOSE_NET 0x115
102 #define OBD_FAIL_MDS_CLOSE_PACK 0x116
103 #define OBD_FAIL_MDS_CONNECT_NET 0x117
104 #define OBD_FAIL_MDS_CONNECT_PACK 0x118
105 #define OBD_FAIL_MDS_REINT_NET_REP 0x119
106 #define OBD_FAIL_MDS_DISCONNECT_NET 0x11a
107 #define OBD_FAIL_MDS_GETSTATUS_NET 0x11b
108 #define OBD_FAIL_MDS_GETSTATUS_PACK 0x11c
109 #define OBD_FAIL_MDS_STATFS_PACK 0x11d
110 #define OBD_FAIL_MDS_STATFS_NET 0x11e
111 #define OBD_FAIL_MDS_GETATTR_NAME_NET 0x11f
112 #define OBD_FAIL_MDS_PIN_NET 0x120
113 #define OBD_FAIL_MDS_UNPIN_NET 0x121
114 #define OBD_FAIL_MDS_ALL_REPLY_NET 0x122
115 #define OBD_FAIL_MDS_ALL_REQUEST_NET 0x123
116 #define OBD_FAIL_MDS_SYNC_NET 0x124
117 #define OBD_FAIL_MDS_SYNC_PACK 0x125
118 #define OBD_FAIL_MDS_DONE_WRITING_NET 0x126
119 #define OBD_FAIL_MDS_DONE_WRITING_PACK 0x127
120 #define OBD_FAIL_MDS_ALLOC_OBDO 0x128
121 #define OBD_FAIL_MDS_PAUSE_OPEN 0x129
122 #define OBD_FAIL_MDS_STATFS_LCW_SLEEP 0x12a
123 #define OBD_FAIL_MDS_OPEN_CREATE 0x12b
124 #define OBD_FAIL_MDS_OST_SETATTR 0x12c
125 #define OBD_FAIL_MDS_QUOTACHECK_NET 0x12d
126 #define OBD_FAIL_MDS_QUOTACTL_NET 0x12e
127 #define OBD_FAIL_MDS_CLIENT_ADD 0x12f
128 #define OBD_FAIL_MDS_GETXATTR_NET 0x130
129 #define OBD_FAIL_MDS_GETXATTR_PACK 0x131
130 #define OBD_FAIL_MDS_SETXATTR_NET 0x132
131 #define OBD_FAIL_MDS_SETXATTR 0x133
132 #define OBD_FAIL_MDS_SETXATTR_WRITE 0x134
133 #define OBD_FAIL_MDS_FS_SETUP 0x135
134 #define OBD_FAIL_MDS_RESEND 0x136
135 #define OBD_FAIL_MDS_IS_SUBDIR_NET 0x137
136 #define OBD_FAIL_MDS_IS_SUBDIR_PACK 0x138
137 #define OBD_FAIL_MDS_SET_INFO_NET 0x139
138 #define OBD_FAIL_MDS_WRITEPAGE_NET 0x13a
139 #define OBD_FAIL_MDS_WRITEPAGE_PACK 0x13b
140 #define OBD_FAIL_MDS_LLOG_CREATE_FAILED 0x13c
141 #define OBD_FAIL_MDS_OSC_PRECREATE 0x13d
142 #define OBD_FAIL_MDS_LOV_SYNC_RACE 0x13e
143 #define OBD_FAIL_MDS_CLOSE_NET_REP 0x13f
144 #define OBD_FAIL_MDS_LLOG_SYNC_TIMEOUT 0x140
146 #define OBD_FAIL_OST 0x200
147 #define OBD_FAIL_OST_CONNECT_NET 0x201
148 #define OBD_FAIL_OST_DISCONNECT_NET 0x202
149 #define OBD_FAIL_OST_GET_INFO_NET 0x203
150 #define OBD_FAIL_OST_CREATE_NET 0x204
151 #define OBD_FAIL_OST_DESTROY_NET 0x205
152 #define OBD_FAIL_OST_GETATTR_NET 0x206
153 #define OBD_FAIL_OST_SETATTR_NET 0x207
154 #define OBD_FAIL_OST_OPEN_NET 0x208
155 #define OBD_FAIL_OST_CLOSE_NET 0x209
156 #define OBD_FAIL_OST_BRW_NET 0x20a
157 #define OBD_FAIL_OST_PUNCH_NET 0x20b
158 #define OBD_FAIL_OST_STATFS_NET 0x20c
159 #define OBD_FAIL_OST_HANDLE_UNPACK 0x20d
160 #define OBD_FAIL_OST_BRW_WRITE_BULK 0x20e
161 #define OBD_FAIL_OST_BRW_READ_BULK 0x20f
162 #define OBD_FAIL_OST_SYNC_NET 0x210
163 #define OBD_FAIL_OST_ALL_REPLY_NET 0x211
164 #define OBD_FAIL_OST_ALL_REQUESTS_NET 0x212
165 #define OBD_FAIL_OST_LDLM_REPLY_NET 0x213
166 #define OBD_FAIL_OST_BRW_PAUSE_BULK 0x214
167 #define OBD_FAIL_OST_ENOSPC 0x215
168 #define OBD_FAIL_OST_EROFS 0x216
169 #define OBD_FAIL_OST_ENOENT 0x217
170 #define OBD_FAIL_OST_QUOTACHECK_NET 0x218
171 #define OBD_FAIL_OST_QUOTACTL_NET 0x219
172 #define OBD_FAIL_OST_CHECKSUM_RECEIVE 0x21a
173 #define OBD_FAIL_OST_CHECKSUM_SEND 0x21b
174 #define OBD_FAIL_OST_BRW_SIZE 0x21c
175 #define OBD_FAIL_OST_DROP_REQ 0x21d
176 #define OBD_FAIL_OST_SETATTR_CREDITS 0x21e
177 #define OBD_FAIL_OST_HOLD_WRITE_RPC 0x21f
178 #define OBD_FAIL_OST_BRW_WRITE_BULK2 0x220
179 #define OBD_FAIL_OST_LLOG_RECOVERY_TIMEOUT 0x221
180 #define OBD_FAIL_OST_CANCEL_COOKIE_TIMEOUT 0x222
181 #define OBD_FAIL_OST_CONNECT_NET2 0x225
183 #define OBD_FAIL_LDLM 0x300
184 #define OBD_FAIL_LDLM_NAMESPACE_NEW 0x301
185 #define OBD_FAIL_LDLM_ENQUEUE 0x302
186 #define OBD_FAIL_LDLM_CONVERT 0x303
187 #define OBD_FAIL_LDLM_CANCEL 0x304
188 #define OBD_FAIL_LDLM_BL_CALLBACK 0x305
189 #define OBD_FAIL_LDLM_CP_CALLBACK 0x306
190 #define OBD_FAIL_LDLM_GL_CALLBACK 0x307
191 #define OBD_FAIL_LDLM_ENQUEUE_EXTENT_ERR 0x308
192 #define OBD_FAIL_LDLM_ENQUEUE_INTENT_ERR 0x309
193 #define OBD_FAIL_LDLM_CREATE_RESOURCE 0x30a
194 #define OBD_FAIL_LDLM_ENQUEUE_BLOCKED 0x30b
195 #define OBD_FAIL_LDLM_REPLY 0x30c
196 #define OBD_FAIL_LDLM_RECOV_CLIENTS 0x30d
197 #define OBD_FAIL_LDLM_ENQUEUE_OLD_EXPORT 0x30e
198 #define OBD_FAIL_LDLM_GLIMPSE 0x30f
199 #define OBD_FAIL_LDLM_CANCEL_RACE 0x310
200 #define OBD_FAIL_LDLM_CANCEL_EVICT_RACE 0x311
202 #define OBD_FAIL_LDLM_PAUSE_CANCEL 0x312
203 #define OBD_FAIL_LDLM_CLOSE_THREAD 0x313
205 #define OBD_FAIL_LDLM_CANCEL_BL_CB_RACE 0x314
207 #define OBD_FAIL_OSC 0x400
208 #define OBD_FAIL_OSC_BRW_READ_BULK 0x401
209 #define OBD_FAIL_OSC_BRW_WRITE_BULK 0x402
210 #define OBD_FAIL_OSC_LOCK_BL_AST 0x403
211 #define OBD_FAIL_OSC_LOCK_CP_AST 0x404
212 #define OBD_FAIL_OSC_MATCH 0x405
213 #define OBD_FAIL_OSC_BRW_PREP_REQ 0x406
214 #define OBD_FAIL_OSC_SHUTDOWN 0x407
215 #define OBD_FAIL_OSC_CHECKSUM_RECEIVE 0x408
216 #define OBD_FAIL_OSC_CHECKSUM_SEND 0x409
217 #define OBD_FAIL_OSC_BRW_PREP_REQ2 0x40a
219 #define OBD_FAIL_PTLRPC 0x500
220 #define OBD_FAIL_PTLRPC_ACK 0x501
221 #define OBD_FAIL_PTLRPC_RQBD 0x502
222 #define OBD_FAIL_PTLRPC_BULK_GET_NET 0x503
223 #define OBD_FAIL_PTLRPC_BULK_PUT_NET 0x504
224 #define OBD_FAIL_PTLRPC_DROP_RPC 0x505
225 #define OBD_FAIL_PTLRPC_DELAY_SEND 0x506
226 #define OBD_FAIL_PTLRPC_DELAY_RECOV 0x507
228 #define OBD_FAIL_OBD_PING_NET 0x600
229 #define OBD_FAIL_OBD_LOG_CANCEL_NET 0x601
230 #define OBD_FAIL_OBD_LOGD_NET 0x602
231 #define OBD_FAIL_OBD_QC_CALLBACK_NET 0x603
232 #define OBD_FAIL_OBD_DQACQ 0x604
234 #define OBD_FAIL_TGT_REPLY_NET 0x700
235 #define OBD_FAIL_TGT_CONN_RACE 0x701
236 #define OBD_FAIL_TGT_FORCE_RECONNECT 0x702
237 #define OBD_FAIL_TGT_DELAY_CONNECT 0x703
238 #define OBD_FAIL_TGT_DELAY_RECONNECT 0x704
239 #define OBD_FAIL_TGT_DELAY_PRECREATE 0x705
241 #define OBD_FAIL_MDC_REVALIDATE_PAUSE 0x800
242 #define OBD_FAIL_MDC_ENQUEUE_PAUSE 0x801
244 #define OBD_FAIL_MGS 0x900
245 #define OBD_FAIL_MGS_ALL_REQUEST_NET 0x901
246 #define OBD_FAIL_MGS_ALL_REPLY_NET 0x902
247 #define OBD_FAIL_MGC_PROCESS_LOG 0x903
248 #define OBD_FAIL_MGS_SLOW_REQUEST_NET 0x904
249 #define OBD_FAIL_MGS_SLOW_TARGET_REG 0x905
251 #define OBD_FAIL_QUOTA_QD_COUNT_32BIT 0xa00
253 #define OBD_FAIL_LPROC_REMOVE 0xb00
255 #define OBD_FAIL_GENERAL_ALLOC 0xc00
257 #define OBD_FAIL_SEQ 0x1000
258 #define OBD_FAIL_SEQ_QUERY_NET 0x1001
260 #define OBD_FAIL_FLD 0x1100
261 #define OBD_FAIL_FLD_QUERY_NET 0x1101
263 #define OBD_FAIL_SEC_CTX 0x1200
264 #define OBD_FAIL_SEC_CTX_INIT_NET 0x1201
265 #define OBD_FAIL_SEC_CTX_INIT_CONT_NET 0x1202
266 #define OBD_FAIL_SEC_CTX_FINI_NET 0x1203
268 /* Failure injection control */
269 #define OBD_FAIL_MASK_SYS 0x0000FF00
270 #define OBD_FAIL_MASK_LOC (0x000000FF | OBD_FAIL_MASK_SYS)
272 #define OBD_FAILED_BIT 30
273 /* OBD_FAILED is 0x40000000 */
274 #define OBD_FAILED (1 << OBD_FAILED_BIT)
276 #define OBD_FAIL_ONCE_BIT 31
277 /* OBD_FAIL_ONCE is 0x80000000 */
278 #define OBD_FAIL_ONCE (1 << OBD_FAIL_ONCE_BIT)
280 /* The following flags aren't made to be combined */
281 #define OBD_FAIL_SKIP 0x20000000 /* skip N times then fail */
282 #define OBD_FAIL_SOME 0x10000000 /* only fail N times */
283 #define OBD_FAIL_RAND 0x08000000 /* fail 1/N of the times */
284 #define OBD_FAIL_USR1 0x04000000 /* user flag */
286 #define OBD_FAIL_PRECHECK(id) (obd_fail_loc && \
287 (obd_fail_loc & OBD_FAIL_MASK_LOC) == \
288 ((id) & OBD_FAIL_MASK_LOC))
290 static inline int obd_fail_check_set(__u32 id, __u32 value, int set)
293 if (unlikely(OBD_FAIL_PRECHECK(id) &&
294 (ret = __obd_fail_check_set(id, value, set)))) {
295 CERROR("*** obd_fail_loc=%x ***\n", id);
300 /* If id hit obd_fail_loc, return 1, otherwise return 0 */
301 #define OBD_FAIL_CHECK(id) \
302 obd_fail_check_set(id, 0, OBD_FAIL_LOC_NOSET)
304 /* If id hit obd_fail_loc, obd_fail_loc |= value and return 1,
305 * otherwise return 0 */
306 #define OBD_FAIL_CHECK_ORSET(id, value) \
307 obd_fail_check_set(id, value, OBD_FAIL_LOC_ORSET)
309 /* If id hit obd_fail_loc, obd_fail_loc = value and return 1,
310 * otherwise return 0 */
311 #define OBD_FAIL_CHECK_RESET(id, value) \
312 obd_fail_check_set(id, value, OBD_FAIL_LOC_RESET)
315 static inline int obd_fail_timeout_set(__u32 id, __u32 value, int secs, int set)
318 if (unlikely(OBD_FAIL_PRECHECK(id) &&
319 (ret = __obd_fail_check_set(id, value, set)))) {
320 CERROR("obd_fail_timeout id %x sleeping for %d secs\n",
322 set_current_state(TASK_UNINTERRUPTIBLE);
323 cfs_schedule_timeout(CFS_TASK_UNINT, cfs_time_seconds(secs));
324 set_current_state(TASK_RUNNING);
325 CERROR("obd_fail_timeout id %x awake\n", id);
330 /* If id hit obd_fail_loc, sleep secs */
331 #define OBD_FAIL_TIMEOUT(id, secs) \
332 obd_fail_timeout_set(id, 0, secs, OBD_FAIL_LOC_NOSET)
334 /* If id hit obd_fail_loc, obd_fail_loc |= value and sleep secs */
335 #define OBD_FAIL_TIMEOUT_ORSET(id, value, secs) \
336 obd_fail_timeout_set(id, value, secs, OBD_FAIL_LOC_ORSET)
339 static inline void obd_fail_write(int id, struct super_block *sb)
341 /* We set FAIL_ONCE because we never "un-fail" a device */
342 if (OBD_FAIL_CHECK_ORSET(id & ~OBD_FAIL_ONCE, OBD_FAIL_ONCE)) {
344 BDEVNAME_DECLARE_STORAGE(tmp);
345 CERROR("obd_fail_loc=%x, fail write operation on %s\n",
346 id, ll_bdevname(sb, tmp));
348 /* TODO-CMD: fix getting jdev */
349 __lvfs_set_rdonly(lvfs_sbdev(sb), (lvfs_sbdev_type)0);
352 #define OBD_FAIL_WRITE(id, sb) obd_fail_write(id, sb)
354 /* The idea here is to synchronise two threads to force a race. The
355 * first thread that calls this with a matching fail_loc is put to
356 * sleep. The next thread that calls with the same fail_loc wakes up
357 * the first and continues. */
358 static inline void obd_race(__u32 id)
360 if (OBD_FAIL_PRECHECK(id)) {
361 if (unlikely(__obd_fail_check_set(id, 0, OBD_FAIL_LOC_NOSET))) {
363 CERROR("obd_race id %x sleeping\n", id);
364 OBD_SLEEP_ON(obd_race_waitq, obd_race_state != 0);
365 CERROR("obd_fail_race id %x awake\n", id);
367 CERROR("obd_fail_race id %x waking\n", id);
369 wake_up(&obd_race_waitq);
373 #define OBD_RACE(id) obd_race(id)
375 /* sigh. an expedient fix until OBD_RACE is fixed up */
376 #define OBD_RACE(foo) do {} while(0)
379 #define fixme() CDEBUG(D_OTHER, "FIXME\n");
381 extern atomic_t libcfs_kmemory;
384 #define obd_memory_add(size) \
385 lprocfs_counter_add(obd_memory, OBD_MEMORY_STAT, (long)(size))
386 #define obd_memory_sub(size) \
387 lprocfs_counter_sub(obd_memory, OBD_MEMORY_STAT, (long)(size))
388 #define obd_memory_sum() \
389 lprocfs_stats_collector(obd_memory, OBD_MEMORY_STAT, \
390 LPROCFS_FIELDS_FLAGS_SUM)
391 #define obd_pages_add(order) \
392 lprocfs_counter_add(obd_memory, OBD_MEMORY_PAGES_STAT, \
393 (long)(1 << (order)))
394 #define obd_pages_sub(order) \
395 lprocfs_counter_sub(obd_memory, OBD_MEMORY_PAGES_STAT, \
396 (long)(1 << (order)))
397 #define obd_pages_sum() \
398 lprocfs_stats_collector(obd_memory, OBD_MEMORY_PAGES_STAT, \
399 LPROCFS_FIELDS_FLAGS_SUM)
401 extern void obd_update_maxusage(void);
402 extern __u64 obd_memory_max(void);
403 extern __u64 obd_pages_max(void);
407 extern __u64 obd_alloc;
408 extern __u64 obd_pages;
410 extern __u64 obd_max_alloc;
411 extern __u64 obd_max_pages;
413 static inline void obd_memory_add(long size)
416 if (obd_alloc > obd_max_alloc)
417 obd_max_alloc = obd_alloc;
420 static inline void obd_memory_sub(long size)
425 static inline void obd_pages_add(int order)
427 obd_pages += 1<< order;
428 if (obd_pages > obd_max_pages)
429 obd_max_pages = obd_pages;
432 static inline void obd_pages_sub(int order)
434 obd_pages -= 1<< order;
437 #define obd_memory_sum() (obd_alloc)
438 #define obd_pages_sum() (obd_pages)
440 #define obd_memory_max() (obd_max_alloc)
441 #define obd_pages_max() (obd_max_pages)
445 #if defined (CONFIG_DEBUG_MEMORY) && defined(__KERNEL__)
447 #define OBD_MT_WRONG_SIZE (1 << 0)
448 #define OBD_MT_ALREADY_FREED (1 << 1)
449 #define OBD_MT_LOC_LEN 128
451 struct obd_mem_track {
452 struct hlist_node mt_hash;
453 char mt_loc[OBD_MT_LOC_LEN];
459 void lvfs_memdbg_show(void);
460 void lvfs_memdbg_insert(struct obd_mem_track *mt);
461 void lvfs_memdbg_remove(struct obd_mem_track *mt);
462 struct obd_mem_track *lvfs_memdbg_find(void *ptr);
464 int lvfs_memdbg_check_insert(struct obd_mem_track *mt);
465 struct obd_mem_track *lvfs_memdbg_check_remove(void *ptr);
467 static inline struct obd_mem_track *
468 __new_mem_track(void *ptr, int size,
469 char *file, int line)
471 struct obd_mem_track *mt;
473 mt = kmalloc(sizeof(*mt), GFP_KERNEL);
477 snprintf(mt->mt_loc, sizeof(mt->mt_loc) - 1,
478 "%s:%d", file, line);
487 __free_mem_track(struct obd_mem_track *mt)
493 __get_mem_track(void *ptr, int size,
494 char *file, int line)
496 struct obd_mem_track *mt;
498 mt = __new_mem_track(ptr, size, file, line);
500 CWARN("Can't allocate new memory track\n");
504 if (!lvfs_memdbg_check_insert(mt))
505 __free_mem_track(mt);
511 __put_mem_track(void *ptr, int size,
512 char *file, int line)
514 struct obd_mem_track *mt;
516 if (unlikely(!(mt = lvfs_memdbg_check_remove(ptr)))) {
517 CWARN("Ptr 0x%p is not allocated. Attempt to free "
518 "not allocated memory at %s:%d\n", ptr,
523 if (unlikely(mt->mt_size != size)) {
524 if (!(mt->mt_flags & OBD_MT_ALREADY_FREED)) {
525 mt->mt_flags |= (OBD_MT_WRONG_SIZE |
526 OBD_MT_ALREADY_FREED);
528 CWARN("Freeing memory chunk (at 0x%p) of "
529 "different size than allocated "
530 "(%d != %d) at %s:%d, allocated at %s\n",
531 ptr, mt->mt_size, size, file, line,
535 __free_mem_track(mt);
541 #define get_mem_track(ptr, size, file, line) \
542 __get_mem_track((ptr), (size), (file), (line))
544 #define put_mem_track(ptr, size, file, line) \
545 __put_mem_track((ptr), (size), (file), (line))
547 #else /* !CONFIG_DEBUG_MEMORY */
549 #define get_mem_track(ptr, size, file, line) \
552 #define put_mem_track(ptr, size, file, line) \
554 #endif /* !CONFIG_DEBUG_MEMORY */
556 #define OBD_DEBUG_MEMUSAGE (1)
558 #if OBD_DEBUG_MEMUSAGE
559 #define OBD_ALLOC_POST(ptr, size, name) \
560 obd_memory_add(size); \
561 get_mem_track((ptr), (size), __FILE__, __LINE__); \
562 CDEBUG(D_MALLOC, name " '" #ptr "': %d at %p.\n", \
565 #define OBD_FREE_PRE(ptr, size, name) \
567 put_mem_track((ptr), (size), __FILE__, __LINE__); \
568 obd_memory_sub(size); \
569 CDEBUG(D_MALLOC, name " '" #ptr "': %d at %p.\n", \
571 POISON(ptr, 0x5a, size)
573 #else /* !OBD_DEBUG_MEMUSAGE */
575 #define OBD_ALLOC_POST(ptr, size, name) ((void)0)
576 #define OBD_FREE_PRE(ptr, size, name) ((void)0)
578 #endif /* !OBD_DEBUG_MEMUSAGE */
580 #ifdef RANDOM_FAIL_ALLOC
581 #define HAS_FAIL_ALLOC_FLAG OBD_FAIL_CHECK(OBD_FAIL_GENERAL_ALLOC)
583 #define HAS_FAIL_ALLOC_FLAG 0
586 #define OBD_ALLOC_FAIL_BITS 24
587 #define OBD_ALLOC_FAIL_MASK ((1 << OBD_ALLOC_FAIL_BITS) - 1)
588 #define OBD_ALLOC_FAIL_MULT (OBD_ALLOC_FAIL_MASK / 100)
590 #if defined(LUSTRE_UTILS) /* this version is for utils only */
591 #define OBD_ALLOC_GFP(ptr, size, gfp_mask) \
593 (ptr) = cfs_alloc(size, (gfp_mask)); \
594 if (unlikely((ptr) == NULL)) { \
595 CERROR("kmalloc of '" #ptr "' (%d bytes) failed at %s:%d\n", \
596 (int)(size), __FILE__, __LINE__); \
598 memset(ptr, 0, size); \
599 CDEBUG(D_MALLOC, "kmalloced '" #ptr "': %d at %p\n", \
603 #else /* this version is for the kernel and liblustre */
604 #define OBD_FREE_RTN0(ptr) \
610 #define OBD_ALLOC_GFP(ptr, size, gfp_mask) \
612 (ptr) = cfs_alloc(size, (gfp_mask)); \
613 if (likely((ptr) != NULL && \
614 (!HAS_FAIL_ALLOC_FLAG || obd_alloc_fail_rate == 0 || \
615 !obd_alloc_fail(ptr, #ptr, "km", size, \
616 __FILE__, __LINE__) || \
617 OBD_FREE_RTN0(ptr)))){ \
618 memset(ptr, 0, size); \
619 OBD_ALLOC_POST(ptr, size, "kmalloced"); \
624 #ifndef OBD_ALLOC_MASK
625 # define OBD_ALLOC_MASK CFS_ALLOC_IO
628 #define OBD_ALLOC(ptr, size) OBD_ALLOC_GFP(ptr, size, OBD_ALLOC_MASK)
629 #define OBD_ALLOC_WAIT(ptr, size) OBD_ALLOC_GFP(ptr, size, CFS_ALLOC_STD)
630 #define OBD_ALLOC_PTR(ptr) OBD_ALLOC(ptr, sizeof *(ptr))
631 #define OBD_ALLOC_PTR_WAIT(ptr) OBD_ALLOC_WAIT(ptr, sizeof *(ptr))
634 # define OBD_VMALLOC(ptr, size) OBD_ALLOC(ptr, size)
636 # define OBD_VMALLOC(ptr, size) \
638 (ptr) = cfs_alloc_large(size); \
639 if (unlikely((ptr) == NULL)) { \
640 CERROR("vmalloc of '" #ptr "' (%d bytes) failed\n", \
642 CERROR(LPU64" total bytes allocated by Lustre, %d by LNET\n", \
643 obd_memory_sum(), atomic_read(&libcfs_kmemory)); \
645 memset(ptr, 0, size); \
646 OBD_ALLOC_POST(ptr, size, "vmalloced"); \
651 #ifdef CONFIG_DEBUG_SLAB
652 #define POISON(ptr, c, s) do {} while (0)
653 #define POISON_PTR(ptr) ((void)0)
655 #define POISON(ptr, c, s) memset(ptr, c, s)
656 #define POISON_PTR(ptr) (ptr) = (void *)0xdeadbeef
660 #define POISON_PAGE(page, val) do { memset(kmap(page), val, CFS_PAGE_SIZE); \
661 kunmap(page); } while (0)
663 #define POISON_PAGE(page, val) do { } while (0)
667 #define OBD_FREE(ptr, size) \
669 OBD_FREE_PRE(ptr, size, "kfreed"); \
676 # ifdef HAVE_CALL_RCU_PARAM
677 # define my_call_rcu(rcu, cb) call_rcu(rcu, cb, rcu)
679 # define my_call_rcu(rcu, cb) call_rcu(rcu, cb)
682 # define my_call_rcu(rcu, cb) (cb)(rcu)
685 #define OBD_FREE_RCU_CB(ptr, size, handle, free_cb) \
687 struct portals_handle *__h = (handle); \
689 __h->h_ptr = (ptr); \
690 __h->h_size = (size); \
691 __h->h_free_cb = (void (*)(void *, size_t))(free_cb); \
692 my_call_rcu(&__h->h_rcu, class_handle_free_cb); \
695 #define OBD_FREE_RCU(ptr, size, handle) OBD_FREE_RCU_CB(ptr, size, handle, NULL)
698 #define OBD_FREE(ptr, size) ((void)(size), free((ptr)))
699 #define OBD_FREE_RCU(ptr, size, handle) (OBD_FREE(ptr, size))
700 #define OBD_FREE_RCU_CB(ptr, size, handle, cb) ((*(cb))(ptr, size))
701 #endif /* ifdef __KERNEL__ */
704 # define OBD_VFREE(ptr, size) OBD_FREE(ptr, size)
706 # define OBD_VFREE(ptr, size) \
708 OBD_FREE_PRE(ptr, size, "vfreed"); \
709 cfs_free_large(ptr); \
714 /* we memset() the slab object to 0 when allocation succeeds, so DO NOT
715 * HAVE A CTOR THAT DOES ANYTHING. its work will be cleared here. we'd
716 * love to assert on that, but slab.c keeps kmem_cache_s all to itself. */
717 #define OBD_SLAB_FREE_RTN0(ptr, slab) \
719 cfs_mem_cache_free((slab), (ptr)); \
723 #define OBD_SLAB_ALLOC(ptr, slab, type, size) \
725 LASSERT(!in_interrupt()); \
726 (ptr) = cfs_mem_cache_alloc(slab, (type)); \
727 if (likely((ptr) != NULL && \
728 (!HAS_FAIL_ALLOC_FLAG || obd_alloc_fail_rate == 0 || \
729 !obd_alloc_fail(ptr, #ptr, "slab-", size, \
730 __FILE__, __LINE__) || \
731 OBD_SLAB_FREE_RTN0(ptr, slab)))) { \
732 memset(ptr, 0, size); \
733 OBD_ALLOC_POST(ptr, size, "slab-alloced"); \
737 #define OBD_FREE_PTR(ptr) OBD_FREE(ptr, sizeof *(ptr))
739 #define OBD_SLAB_FREE(ptr, slab, size) \
741 OBD_FREE_PRE(ptr, size, "slab-freed"); \
742 cfs_mem_cache_free(slab, ptr); \
746 #define OBD_SLAB_ALLOC_PTR(ptr, slab) \
747 OBD_SLAB_ALLOC((ptr), (slab), CFS_ALLOC_STD, sizeof *(ptr))
748 #define OBD_SLAB_FREE_PTR(ptr, slab) \
749 OBD_SLAB_FREE((ptr), (slab), sizeof *(ptr))
751 #define KEY_IS(str) (keylen >= strlen(str) && strncmp(key, str, keylen) == 0)
753 /* Wrapper for contiguous page frame allocation */
754 #define OBD_PAGES_ALLOC(ptr, order, gfp_mask) \
756 (ptr) = cfs_alloc_pages(gfp_mask, order); \
757 if (unlikely((ptr) == NULL)) { \
758 CERROR("alloc_pages of '" #ptr "' %d page(s) / "LPU64" bytes "\
759 "failed\n", (int)(1 << (order)), \
760 (__u64)((1 << (order)) << CFS_PAGE_SHIFT)); \
761 CERROR(LPU64" total bytes and "LPU64" total pages " \
762 "("LPU64" bytes) allocated by Lustre, " \
763 "%d total bytes by LNET\n", \
765 obd_pages_sum() << CFS_PAGE_SHIFT, \
767 atomic_read(&libcfs_kmemory)); \
769 obd_pages_add(order); \
770 CDEBUG(D_MALLOC, "alloc_pages '" #ptr "': %d page(s) / " \
771 LPU64" bytes at %p.\n", \
772 (int)(1 << (order)), \
773 (__u64)((1 << (order)) << CFS_PAGE_SHIFT), ptr); \
777 #define OBD_PAGE_ALLOC(ptr, gfp_mask) \
778 OBD_PAGES_ALLOC(ptr, 0, gfp_mask)
780 #define OBD_PAGES_FREE(ptr, order) \
783 obd_pages_sub(order); \
784 CDEBUG(D_MALLOC, "free_pages '" #ptr "': %d page(s) / "LPU64" bytes " \
786 (int)(1 << (order)), (__u64)((1 << (order)) << CFS_PAGE_SHIFT),\
788 __cfs_free_pages(ptr, order); \
789 (ptr) = (void *)0xdeadbeef; \
792 #define OBD_PAGE_FREE(ptr) OBD_PAGES_FREE(ptr, 0)