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
182 #define OBD_FAIL_LDLM 0x300
183 #define OBD_FAIL_LDLM_NAMESPACE_NEW 0x301
184 #define OBD_FAIL_LDLM_ENQUEUE 0x302
185 #define OBD_FAIL_LDLM_CONVERT 0x303
186 #define OBD_FAIL_LDLM_CANCEL 0x304
187 #define OBD_FAIL_LDLM_BL_CALLBACK 0x305
188 #define OBD_FAIL_LDLM_CP_CALLBACK 0x306
189 #define OBD_FAIL_LDLM_GL_CALLBACK 0x307
190 #define OBD_FAIL_LDLM_ENQUEUE_EXTENT_ERR 0x308
191 #define OBD_FAIL_LDLM_ENQUEUE_INTENT_ERR 0x309
192 #define OBD_FAIL_LDLM_CREATE_RESOURCE 0x30a
193 #define OBD_FAIL_LDLM_ENQUEUE_BLOCKED 0x30b
194 #define OBD_FAIL_LDLM_REPLY 0x30c
195 #define OBD_FAIL_LDLM_RECOV_CLIENTS 0x30d
196 #define OBD_FAIL_LDLM_ENQUEUE_OLD_EXPORT 0x30e
197 #define OBD_FAIL_LDLM_GLIMPSE 0x30f
198 #define OBD_FAIL_LDLM_CANCEL_RACE 0x310
199 #define OBD_FAIL_LDLM_CANCEL_EVICT_RACE 0x311
201 #define OBD_FAIL_LDLM_PAUSE_CANCEL 0x312
202 #define OBD_FAIL_LDLM_CLOSE_THREAD 0x313
204 #define OBD_FAIL_LDLM_CANCEL_BL_CB_RACE 0x314
206 #define OBD_FAIL_OSC 0x400
207 #define OBD_FAIL_OSC_BRW_READ_BULK 0x401
208 #define OBD_FAIL_OSC_BRW_WRITE_BULK 0x402
209 #define OBD_FAIL_OSC_LOCK_BL_AST 0x403
210 #define OBD_FAIL_OSC_LOCK_CP_AST 0x404
211 #define OBD_FAIL_OSC_MATCH 0x405
212 #define OBD_FAIL_OSC_BRW_PREP_REQ 0x406
213 #define OBD_FAIL_OSC_SHUTDOWN 0x407
214 #define OBD_FAIL_OSC_CHECKSUM_RECEIVE 0x408
215 #define OBD_FAIL_OSC_CHECKSUM_SEND 0x409
216 #define OBD_FAIL_OSC_BRW_PREP_REQ2 0x40a
218 #define OBD_FAIL_PTLRPC 0x500
219 #define OBD_FAIL_PTLRPC_ACK 0x501
220 #define OBD_FAIL_PTLRPC_RQBD 0x502
221 #define OBD_FAIL_PTLRPC_BULK_GET_NET 0x503
222 #define OBD_FAIL_PTLRPC_BULK_PUT_NET 0x504
223 #define OBD_FAIL_PTLRPC_DROP_RPC 0x505
224 #define OBD_FAIL_PTLRPC_DELAY_SEND 0x506
225 #define OBD_FAIL_PTLRPC_DELAY_RECOV 0x507
227 #define OBD_FAIL_OBD_PING_NET 0x600
228 #define OBD_FAIL_OBD_LOG_CANCEL_NET 0x601
229 #define OBD_FAIL_OBD_LOGD_NET 0x602
230 #define OBD_FAIL_OBD_QC_CALLBACK_NET 0x603
231 #define OBD_FAIL_OBD_DQACQ 0x604
233 #define OBD_FAIL_TGT_REPLY_NET 0x700
234 #define OBD_FAIL_TGT_CONN_RACE 0x701
235 #define OBD_FAIL_TGT_FORCE_RECONNECT 0x702
236 #define OBD_FAIL_TGT_DELAY_CONNECT 0x703
237 #define OBD_FAIL_TGT_DELAY_RECONNECT 0x704
238 #define OBD_FAIL_TGT_DELAY_PRECREATE 0x705
240 #define OBD_FAIL_MDC_REVALIDATE_PAUSE 0x800
241 #define OBD_FAIL_MDC_ENQUEUE_PAUSE 0x801
243 #define OBD_FAIL_MGS 0x900
244 #define OBD_FAIL_MGS_ALL_REQUEST_NET 0x901
245 #define OBD_FAIL_MGS_ALL_REPLY_NET 0x902
246 #define OBD_FAIL_MGC_PROCESS_LOG 0x903
247 #define OBD_FAIL_MGS_SLOW_REQUEST_NET 0x904
248 #define OBD_FAIL_MGS_SLOW_TARGET_REG 0x905
250 #define OBD_FAIL_QUOTA_QD_COUNT_32BIT 0xa00
252 #define OBD_FAIL_LPROC_REMOVE 0xb00
254 #define OBD_FAIL_GENERAL_ALLOC 0xc00
256 #define OBD_FAIL_SEQ 0x1000
257 #define OBD_FAIL_SEQ_QUERY_NET 0x1001
259 #define OBD_FAIL_FLD 0x1100
260 #define OBD_FAIL_FLD_QUERY_NET 0x1101
262 #define OBD_FAIL_SEC_CTX 0x1200
263 #define OBD_FAIL_SEC_CTX_INIT_NET 0x1201
264 #define OBD_FAIL_SEC_CTX_INIT_CONT_NET 0x1202
265 #define OBD_FAIL_SEC_CTX_FINI_NET 0x1203
267 /* Failure injection control */
268 #define OBD_FAIL_MASK_SYS 0x0000FF00
269 #define OBD_FAIL_MASK_LOC (0x000000FF | OBD_FAIL_MASK_SYS)
271 #define OBD_FAILED_BIT 30
272 /* OBD_FAILED is 0x40000000 */
273 #define OBD_FAILED (1 << OBD_FAILED_BIT)
275 #define OBD_FAIL_ONCE_BIT 31
276 /* OBD_FAIL_ONCE is 0x80000000 */
277 #define OBD_FAIL_ONCE (1 << OBD_FAIL_ONCE_BIT)
279 /* The following flags aren't made to be combined */
280 #define OBD_FAIL_SKIP 0x20000000 /* skip N times then fail */
281 #define OBD_FAIL_SOME 0x10000000 /* only fail N times */
282 #define OBD_FAIL_RAND 0x08000000 /* fail 1/N of the times */
283 #define OBD_FAIL_USR1 0x04000000 /* user flag */
285 #define OBD_FAIL_PRECHECK(id) (obd_fail_loc && \
286 (obd_fail_loc & OBD_FAIL_MASK_LOC) == \
287 ((id) & OBD_FAIL_MASK_LOC))
289 static inline int obd_fail_check_set(__u32 id, __u32 value, int set)
292 if (unlikely(OBD_FAIL_PRECHECK(id) &&
293 (ret = __obd_fail_check_set(id, value, set)))) {
294 CERROR("*** obd_fail_loc=%x ***\n", id);
299 /* If id hit obd_fail_loc, return 1, otherwise return 0 */
300 #define OBD_FAIL_CHECK(id) \
301 obd_fail_check_set(id, 0, OBD_FAIL_LOC_NOSET)
303 /* If id hit obd_fail_loc, obd_fail_loc |= value and return 1,
304 * otherwise return 0 */
305 #define OBD_FAIL_CHECK_ORSET(id, value) \
306 obd_fail_check_set(id, value, OBD_FAIL_LOC_ORSET)
308 /* If id hit obd_fail_loc, obd_fail_loc = value and return 1,
309 * otherwise return 0 */
310 #define OBD_FAIL_CHECK_RESET(id, value) \
311 obd_fail_check_set(id, value, OBD_FAIL_LOC_RESET)
314 static inline int obd_fail_timeout_set(__u32 id, __u32 value, int secs, int set)
317 if (unlikely(OBD_FAIL_PRECHECK(id) &&
318 (ret = __obd_fail_check_set(id, value, set)))) {
319 CERROR("obd_fail_timeout id %x sleeping for %d secs\n",
321 set_current_state(TASK_UNINTERRUPTIBLE);
322 cfs_schedule_timeout(CFS_TASK_UNINT, cfs_time_seconds(secs));
323 set_current_state(TASK_RUNNING);
324 CERROR("obd_fail_timeout id %x awake\n", id);
329 /* If id hit obd_fail_loc, sleep secs */
330 #define OBD_FAIL_TIMEOUT(id, secs) \
331 obd_fail_timeout_set(id, 0, secs, OBD_FAIL_LOC_NOSET)
333 /* If id hit obd_fail_loc, obd_fail_loc |= value and sleep secs */
334 #define OBD_FAIL_TIMEOUT_ORSET(id, value, secs) \
335 obd_fail_timeout_set(id, value, secs, OBD_FAIL_LOC_ORSET)
338 static inline void obd_fail_write(int id, struct super_block *sb)
340 /* We set FAIL_ONCE because we never "un-fail" a device */
341 if (OBD_FAIL_CHECK_ORSET(id & ~OBD_FAIL_ONCE, OBD_FAIL_ONCE)) {
343 BDEVNAME_DECLARE_STORAGE(tmp);
344 CERROR("obd_fail_loc=%x, fail write operation on %s\n",
345 id, ll_bdevname(sb, tmp));
347 /* TODO-CMD: fix getting jdev */
348 __lvfs_set_rdonly(lvfs_sbdev(sb), (lvfs_sbdev_type)0);
351 #define OBD_FAIL_WRITE(id, sb) obd_fail_write(id, sb)
353 /* The idea here is to synchronise two threads to force a race. The
354 * first thread that calls this with a matching fail_loc is put to
355 * sleep. The next thread that calls with the same fail_loc wakes up
356 * the first and continues. */
357 static inline void obd_race(__u32 id)
359 if (OBD_FAIL_PRECHECK(id)) {
360 if (unlikely(__obd_fail_check_set(id, 0, OBD_FAIL_LOC_NOSET))) {
362 CERROR("obd_race id %x sleeping\n", id);
363 OBD_SLEEP_ON(obd_race_waitq, obd_race_state != 0);
364 CERROR("obd_fail_race id %x awake\n", id);
366 CERROR("obd_fail_race id %x waking\n", id);
368 wake_up(&obd_race_waitq);
372 #define OBD_RACE(id) obd_race(id)
374 /* sigh. an expedient fix until OBD_RACE is fixed up */
375 #define OBD_RACE(foo) do {} while(0)
378 #define fixme() CDEBUG(D_OTHER, "FIXME\n");
380 extern atomic_t libcfs_kmemory;
383 #define obd_memory_add(size) \
384 lprocfs_counter_add(obd_memory, OBD_MEMORY_STAT, (long)(size))
385 #define obd_memory_sub(size) \
386 lprocfs_counter_sub(obd_memory, OBD_MEMORY_STAT, (long)(size))
387 #define obd_memory_sum() \
388 lprocfs_stats_collector(obd_memory, OBD_MEMORY_STAT, \
389 LPROCFS_FIELDS_FLAGS_SUM)
390 #define obd_pages_add(order) \
391 lprocfs_counter_add(obd_memory, OBD_MEMORY_PAGES_STAT, \
392 (long)(1 << (order)))
393 #define obd_pages_sub(order) \
394 lprocfs_counter_sub(obd_memory, OBD_MEMORY_PAGES_STAT, \
395 (long)(1 << (order)))
396 #define obd_pages_sum() \
397 lprocfs_stats_collector(obd_memory, OBD_MEMORY_PAGES_STAT, \
398 LPROCFS_FIELDS_FLAGS_SUM)
400 extern void obd_update_maxusage(void);
401 extern __u64 obd_memory_max(void);
402 extern __u64 obd_pages_max(void);
406 extern __u64 obd_alloc;
407 extern __u64 obd_pages;
409 extern __u64 obd_max_alloc;
410 extern __u64 obd_max_pages;
412 static inline void obd_memory_add(long size)
415 if (obd_alloc > obd_max_alloc)
416 obd_max_alloc = obd_alloc;
419 static inline void obd_memory_sub(long size)
424 static inline void obd_pages_add(int order)
426 obd_pages += 1<< order;
427 if (obd_pages > obd_max_pages)
428 obd_max_pages = obd_pages;
431 static inline void obd_pages_sub(int order)
433 obd_pages -= 1<< order;
436 #define obd_memory_sum() (obd_alloc)
437 #define obd_pages_sum() (obd_pages)
439 #define obd_memory_max() (obd_max_alloc)
440 #define obd_pages_max() (obd_max_pages)
444 #if defined (CONFIG_DEBUG_MEMORY) && defined(__KERNEL__)
446 #define OBD_MT_WRONG_SIZE (1 << 0)
447 #define OBD_MT_ALREADY_FREED (1 << 1)
448 #define OBD_MT_LOC_LEN 128
450 struct obd_mem_track {
451 struct hlist_node mt_hash;
452 char mt_loc[OBD_MT_LOC_LEN];
458 void lvfs_memdbg_show(void);
459 void lvfs_memdbg_insert(struct obd_mem_track *mt);
460 void lvfs_memdbg_remove(struct obd_mem_track *mt);
461 struct obd_mem_track *lvfs_memdbg_find(void *ptr);
463 int lvfs_memdbg_check_insert(struct obd_mem_track *mt);
464 struct obd_mem_track *lvfs_memdbg_check_remove(void *ptr);
466 static inline struct obd_mem_track *
467 __new_mem_track(void *ptr, int size,
468 char *file, int line)
470 struct obd_mem_track *mt;
472 mt = kmalloc(sizeof(*mt), GFP_KERNEL);
476 snprintf(mt->mt_loc, sizeof(mt->mt_loc) - 1,
477 "%s:%d", file, line);
486 __free_mem_track(struct obd_mem_track *mt)
492 __get_mem_track(void *ptr, int size,
493 char *file, int line)
495 struct obd_mem_track *mt;
497 mt = __new_mem_track(ptr, size, file, line);
499 CWARN("Can't allocate new memory track\n");
503 if (!lvfs_memdbg_check_insert(mt))
504 __free_mem_track(mt);
510 __put_mem_track(void *ptr, int size,
511 char *file, int line)
513 struct obd_mem_track *mt;
515 if (unlikely(!(mt = lvfs_memdbg_check_remove(ptr)))) {
516 CWARN("Ptr 0x%p is not allocated. Attempt to free "
517 "not allocated memory at %s:%d\n", ptr,
522 if (unlikely(mt->mt_size != size)) {
523 if (!(mt->mt_flags & OBD_MT_ALREADY_FREED)) {
524 mt->mt_flags |= (OBD_MT_WRONG_SIZE |
525 OBD_MT_ALREADY_FREED);
527 CWARN("Freeing memory chunk (at 0x%p) of "
528 "different size than allocated "
529 "(%d != %d) at %s:%d, allocated at %s\n",
530 ptr, mt->mt_size, size, file, line,
534 __free_mem_track(mt);
540 #define get_mem_track(ptr, size, file, line) \
541 __get_mem_track((ptr), (size), (file), (line))
543 #define put_mem_track(ptr, size, file, line) \
544 __put_mem_track((ptr), (size), (file), (line))
546 #else /* !CONFIG_DEBUG_MEMORY */
548 #define get_mem_track(ptr, size, file, line) \
551 #define put_mem_track(ptr, size, file, line) \
553 #endif /* !CONFIG_DEBUG_MEMORY */
555 #define OBD_DEBUG_MEMUSAGE (1)
557 #if OBD_DEBUG_MEMUSAGE
558 #define OBD_ALLOC_POST(ptr, size, name) \
559 obd_memory_add(size); \
560 get_mem_track((ptr), (size), __FILE__, __LINE__); \
561 CDEBUG(D_MALLOC, name " '" #ptr "': %d at %p.\n", \
564 #define OBD_FREE_PRE(ptr, size, name) \
566 put_mem_track((ptr), (size), __FILE__, __LINE__); \
567 obd_memory_sub(size); \
568 CDEBUG(D_MALLOC, name " '" #ptr "': %d at %p.\n", \
570 POISON(ptr, 0x5a, size)
572 #else /* !OBD_DEBUG_MEMUSAGE */
574 #define OBD_ALLOC_POST(ptr, size, name) ((void)0)
575 #define OBD_FREE_PRE(ptr, size, name) ((void)0)
577 #endif /* !OBD_DEBUG_MEMUSAGE */
579 #ifdef RANDOM_FAIL_ALLOC
580 #define HAS_FAIL_ALLOC_FLAG OBD_FAIL_CHECK(OBD_FAIL_GENERAL_ALLOC)
582 #define HAS_FAIL_ALLOC_FLAG 0
585 #define OBD_ALLOC_FAIL_BITS 24
586 #define OBD_ALLOC_FAIL_MASK ((1 << OBD_ALLOC_FAIL_BITS) - 1)
587 #define OBD_ALLOC_FAIL_MULT (OBD_ALLOC_FAIL_MASK / 100)
589 #if defined(LUSTRE_UTILS) /* this version is for utils only */
590 #define OBD_ALLOC_GFP(ptr, size, gfp_mask) \
592 (ptr) = cfs_alloc(size, (gfp_mask)); \
593 if (unlikely((ptr) == NULL)) { \
594 CERROR("kmalloc of '" #ptr "' (%d bytes) failed at %s:%d\n", \
595 (int)(size), __FILE__, __LINE__); \
597 memset(ptr, 0, size); \
598 CDEBUG(D_MALLOC, "kmalloced '" #ptr "': %d at %p\n", \
602 #else /* this version is for the kernel and liblustre */
603 #define OBD_FREE_RTN0(ptr) \
609 #define OBD_ALLOC_GFP(ptr, size, gfp_mask) \
611 (ptr) = cfs_alloc(size, (gfp_mask)); \
612 if (likely((ptr) != NULL && \
613 (!HAS_FAIL_ALLOC_FLAG || obd_alloc_fail_rate == 0 || \
614 !obd_alloc_fail(ptr, #ptr, "km", size, \
615 __FILE__, __LINE__) || \
616 OBD_FREE_RTN0(ptr)))){ \
617 memset(ptr, 0, size); \
618 OBD_ALLOC_POST(ptr, size, "kmalloced"); \
623 #ifndef OBD_ALLOC_MASK
624 # define OBD_ALLOC_MASK CFS_ALLOC_IO
627 #define OBD_ALLOC(ptr, size) OBD_ALLOC_GFP(ptr, size, OBD_ALLOC_MASK)
628 #define OBD_ALLOC_WAIT(ptr, size) OBD_ALLOC_GFP(ptr, size, CFS_ALLOC_STD)
629 #define OBD_ALLOC_PTR(ptr) OBD_ALLOC(ptr, sizeof *(ptr))
630 #define OBD_ALLOC_PTR_WAIT(ptr) OBD_ALLOC_WAIT(ptr, sizeof *(ptr))
633 # define OBD_VMALLOC(ptr, size) OBD_ALLOC(ptr, size)
635 # define OBD_VMALLOC(ptr, size) \
637 (ptr) = cfs_alloc_large(size); \
638 if (unlikely((ptr) == NULL)) { \
639 CERROR("vmalloc of '" #ptr "' (%d bytes) failed\n", \
641 CERROR(LPU64" total bytes allocated by Lustre, %d by LNET\n", \
642 obd_memory_sum(), atomic_read(&libcfs_kmemory)); \
644 memset(ptr, 0, size); \
645 OBD_ALLOC_POST(ptr, size, "vmalloced"); \
650 #ifdef CONFIG_DEBUG_SLAB
651 #define POISON(ptr, c, s) do {} while (0)
652 #define POISON_PTR(ptr) ((void)0)
654 #define POISON(ptr, c, s) memset(ptr, c, s)
655 #define POISON_PTR(ptr) (ptr) = (void *)0xdeadbeef
659 #define POISON_PAGE(page, val) do { memset(kmap(page), val, CFS_PAGE_SIZE); \
660 kunmap(page); } while (0)
662 #define POISON_PAGE(page, val) do { } while (0)
666 #define OBD_FREE(ptr, size) \
668 OBD_FREE_PRE(ptr, size, "kfreed"); \
675 # ifdef HAVE_CALL_RCU_PARAM
676 # define my_call_rcu(rcu, cb) call_rcu(rcu, cb, rcu)
678 # define my_call_rcu(rcu, cb) call_rcu(rcu, cb)
681 # define my_call_rcu(rcu, cb) (cb)(rcu)
684 #define OBD_FREE_RCU_CB(ptr, size, handle, free_cb) \
686 struct portals_handle *__h = (handle); \
688 __h->h_ptr = (ptr); \
689 __h->h_size = (size); \
690 __h->h_free_cb = (void (*)(void *, size_t))(free_cb); \
691 my_call_rcu(&__h->h_rcu, class_handle_free_cb); \
694 #define OBD_FREE_RCU(ptr, size, handle) OBD_FREE_RCU_CB(ptr, size, handle, NULL)
697 #define OBD_FREE(ptr, size) ((void)(size), free((ptr)))
698 #define OBD_FREE_RCU(ptr, size, handle) (OBD_FREE(ptr, size))
699 #define OBD_FREE_RCU_CB(ptr, size, handle, cb) ((*(cb))(ptr, size))
700 #endif /* ifdef __KERNEL__ */
703 # define OBD_VFREE(ptr, size) OBD_FREE(ptr, size)
705 # define OBD_VFREE(ptr, size) \
707 OBD_FREE_PRE(ptr, size, "vfreed"); \
708 cfs_free_large(ptr); \
713 /* we memset() the slab object to 0 when allocation succeeds, so DO NOT
714 * HAVE A CTOR THAT DOES ANYTHING. its work will be cleared here. we'd
715 * love to assert on that, but slab.c keeps kmem_cache_s all to itself. */
716 #define OBD_SLAB_FREE_RTN0(ptr, slab) \
718 cfs_mem_cache_free((slab), (ptr)); \
722 #define OBD_SLAB_ALLOC(ptr, slab, type, size) \
724 LASSERT(!in_interrupt()); \
725 (ptr) = cfs_mem_cache_alloc(slab, (type)); \
726 if (likely((ptr) != NULL && \
727 (!HAS_FAIL_ALLOC_FLAG || obd_alloc_fail_rate == 0 || \
728 !obd_alloc_fail(ptr, #ptr, "slab-", size, \
729 __FILE__, __LINE__) || \
730 OBD_SLAB_FREE_RTN0(ptr, slab)))) { \
731 memset(ptr, 0, size); \
732 OBD_ALLOC_POST(ptr, size, "slab-alloced"); \
736 #define OBD_FREE_PTR(ptr) OBD_FREE(ptr, sizeof *(ptr))
738 #define OBD_SLAB_FREE(ptr, slab, size) \
740 OBD_FREE_PRE(ptr, size, "slab-freed"); \
741 cfs_mem_cache_free(slab, ptr); \
745 #define OBD_SLAB_ALLOC_PTR(ptr, slab) \
746 OBD_SLAB_ALLOC((ptr), (slab), CFS_ALLOC_STD, sizeof *(ptr))
747 #define OBD_SLAB_FREE_PTR(ptr, slab) \
748 OBD_SLAB_FREE((ptr), (slab), sizeof *(ptr))
750 #define KEY_IS(str) (keylen >= strlen(str) && strncmp(key, str, keylen) == 0)
752 /* Wrapper for contiguous page frame allocation */
753 #define OBD_PAGES_ALLOC(ptr, order, gfp_mask) \
755 (ptr) = cfs_alloc_pages(gfp_mask, order); \
756 if (unlikely((ptr) == NULL)) { \
757 CERROR("alloc_pages of '" #ptr "' %d page(s) / "LPU64" bytes "\
758 "failed\n", (int)(1 << (order)), \
759 (__u64)((1 << (order)) << CFS_PAGE_SHIFT)); \
760 CERROR(LPU64" total bytes and "LPU64" total pages " \
761 "("LPU64" bytes) allocated by Lustre, " \
762 "%d total bytes by LNET\n", \
764 obd_pages_sum() << CFS_PAGE_SHIFT, \
766 atomic_read(&libcfs_kmemory)); \
768 obd_pages_add(order); \
769 CDEBUG(D_MALLOC, "alloc_pages '" #ptr "': %d page(s) / " \
770 LPU64" bytes at %p.\n", \
771 (int)(1 << (order)), \
772 (__u64)((1 << (order)) << CFS_PAGE_SHIFT), ptr); \
776 #define OBD_PAGE_ALLOC(ptr, gfp_mask) \
777 OBD_PAGES_ALLOC(ptr, 0, gfp_mask)
779 #define OBD_PAGES_FREE(ptr, order) \
782 obd_pages_sub(order); \
783 CDEBUG(D_MALLOC, "free_pages '" #ptr "': %d page(s) / "LPU64" bytes " \
785 (int)(1 << (order)), (__u64)((1 << (order)) << CFS_PAGE_SHIFT),\
787 __cfs_free_pages(ptr, order); \
788 (ptr) = (void *)0xdeadbeef; \
791 #define OBD_PAGE_FREE(ptr) OBD_PAGES_FREE(ptr, 0)