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 /* global variables */
29 extern atomic_t obd_memory;
30 extern int obd_memmax;
31 extern unsigned int obd_fail_loc;
32 extern unsigned int obd_fail_val;
33 extern unsigned int obd_debug_peer_on_timeout;
34 extern unsigned int obd_dump_on_timeout;
35 extern unsigned int obd_dump_on_eviction;
36 extern unsigned int obd_timeout; /* seconds */
37 #define PING_INTERVAL max(obd_timeout / 4, 1U)
38 #define RECONNECT_INTERVAL max(obd_timeout / 10, 10U)
39 extern unsigned int ldlm_timeout;
40 extern unsigned int obd_health_check_timeout;
41 extern unsigned int obd_sync_filter;
42 extern unsigned int obd_max_dirty_pages;
43 extern atomic_t obd_dirty_pages;
44 extern cfs_waitq_t obd_race_waitq;
45 extern int obd_race_state;
47 /* Timeout definitions */
48 #define LDLM_TIMEOUT_DEFAULT 20
49 #define OBD_TIMEOUT_DEFAULT 100
50 #define HEALTH_CHECK_COEF 3 / 2
51 #define HEALTH_CHECK_TIMEOUT_DEFAULT (OBD_TIMEOUT_DEFAULT * HEALTH_CHECK_COEF)
52 #define HEALTH_CHECK_TIMEOUT (obd_timeout * HEALTH_CHECK_COEF)
54 #define OBD_FAIL_MDS 0x100
55 #define OBD_FAIL_MDS_HANDLE_UNPACK 0x101
56 #define OBD_FAIL_MDS_GETATTR_NET 0x102
57 #define OBD_FAIL_MDS_GETATTR_PACK 0x103
58 #define OBD_FAIL_MDS_READPAGE_NET 0x104
59 #define OBD_FAIL_MDS_READPAGE_PACK 0x105
60 #define OBD_FAIL_MDS_SENDPAGE 0x106
61 #define OBD_FAIL_MDS_REINT_NET 0x107
62 #define OBD_FAIL_MDS_REINT_UNPACK 0x108
63 #define OBD_FAIL_MDS_REINT_SETATTR 0x109
64 #define OBD_FAIL_MDS_REINT_SETATTR_WRITE 0x10a
65 #define OBD_FAIL_MDS_REINT_CREATE 0x10b
66 #define OBD_FAIL_MDS_REINT_CREATE_WRITE 0x10c
67 #define OBD_FAIL_MDS_REINT_UNLINK 0x10d
68 #define OBD_FAIL_MDS_REINT_UNLINK_WRITE 0x10e
69 #define OBD_FAIL_MDS_REINT_LINK 0x10f
70 #define OBD_FAIL_MDS_REINT_LINK_WRITE 0x110
71 #define OBD_FAIL_MDS_REINT_RENAME 0x111
72 #define OBD_FAIL_MDS_REINT_RENAME_WRITE 0x112
73 #define OBD_FAIL_MDS_OPEN_NET 0x113
74 #define OBD_FAIL_MDS_OPEN_PACK 0x114
75 #define OBD_FAIL_MDS_CLOSE_NET 0x115
76 #define OBD_FAIL_MDS_CLOSE_PACK 0x116
77 #define OBD_FAIL_MDS_CONNECT_NET 0x117
78 #define OBD_FAIL_MDS_CONNECT_PACK 0x118
79 #define OBD_FAIL_MDS_REINT_NET_REP 0x119
80 #define OBD_FAIL_MDS_DISCONNECT_NET 0x11a
81 #define OBD_FAIL_MDS_GETSTATUS_NET 0x11b
82 #define OBD_FAIL_MDS_GETSTATUS_PACK 0x11c
83 #define OBD_FAIL_MDS_STATFS_PACK 0x11d
84 #define OBD_FAIL_MDS_STATFS_NET 0x11e
85 #define OBD_FAIL_MDS_GETATTR_NAME_NET 0x11f
86 #define OBD_FAIL_MDS_PIN_NET 0x120
87 #define OBD_FAIL_MDS_UNPIN_NET 0x121
88 #define OBD_FAIL_MDS_ALL_REPLY_NET 0x122
89 #define OBD_FAIL_MDS_ALL_REQUEST_NET 0x123
90 #define OBD_FAIL_MDS_SYNC_NET 0x124
91 #define OBD_FAIL_MDS_SYNC_PACK 0x125
92 #define OBD_FAIL_MDS_DONE_WRITING_NET 0x126
93 #define OBD_FAIL_MDS_DONE_WRITING_PACK 0x127
94 #define OBD_FAIL_MDS_ALLOC_OBDO 0x128
95 #define OBD_FAIL_MDS_PAUSE_OPEN 0x129
96 #define OBD_FAIL_MDS_STATFS_LCW_SLEEP 0x12a
97 #define OBD_FAIL_MDS_OPEN_CREATE 0x12b
98 #define OBD_FAIL_MDS_OST_SETATTR 0x12c
99 #define OBD_FAIL_MDS_QUOTACHECK_NET 0x12d
100 #define OBD_FAIL_MDS_QUOTACTL_NET 0x12e
101 #define OBD_FAIL_MDS_CLIENT_ADD 0x12f
102 #define OBD_FAIL_MDS_GETXATTR_NET 0x130
103 #define OBD_FAIL_MDS_GETXATTR_PACK 0x131
104 #define OBD_FAIL_MDS_SETXATTR_NET 0x132
105 #define OBD_FAIL_MDS_SETXATTR 0x133
106 #define OBD_FAIL_MDS_SETXATTR_WRITE 0x134
107 #define OBD_FAIL_MDS_FS_SETUP 0x135
108 #define OBD_FAIL_MDS_RESEND 0x136
109 #define OBD_FAIL_MDS_IS_SUBDIR_NET 0x137
110 #define OBD_FAIL_MDS_IS_SUBDIR_PACK 0x138
111 #define OBD_FAIL_MDS_SET_INFO_NET 0x139
112 #define OBD_FAIL_MDS_WRITEPAGE_NET 0x13a
113 #define OBD_FAIL_MDS_WRITEPAGE_PACK 0x13b
114 #define OBD_FAIL_MDS_LLOG_CREATE_FAILED 0x13c
115 #define OBD_FAIL_MDS_OSC_PRECREATE 0x13d
117 #define OBD_FAIL_OST 0x200
118 #define OBD_FAIL_OST_CONNECT_NET 0x201
119 #define OBD_FAIL_OST_DISCONNECT_NET 0x202
120 #define OBD_FAIL_OST_GET_INFO_NET 0x203
121 #define OBD_FAIL_OST_CREATE_NET 0x204
122 #define OBD_FAIL_OST_DESTROY_NET 0x205
123 #define OBD_FAIL_OST_GETATTR_NET 0x206
124 #define OBD_FAIL_OST_SETATTR_NET 0x207
125 #define OBD_FAIL_OST_OPEN_NET 0x208
126 #define OBD_FAIL_OST_CLOSE_NET 0x209
127 #define OBD_FAIL_OST_BRW_NET 0x20a
128 #define OBD_FAIL_OST_PUNCH_NET 0x20b
129 #define OBD_FAIL_OST_STATFS_NET 0x20c
130 #define OBD_FAIL_OST_HANDLE_UNPACK 0x20d
131 #define OBD_FAIL_OST_BRW_WRITE_BULK 0x20e
132 #define OBD_FAIL_OST_BRW_READ_BULK 0x20f
133 #define OBD_FAIL_OST_SYNC_NET 0x210
134 #define OBD_FAIL_OST_ALL_REPLY_NET 0x211
135 #define OBD_FAIL_OST_ALL_REQUESTS_NET 0x212
136 #define OBD_FAIL_OST_LDLM_REPLY_NET 0x213
137 #define OBD_FAIL_OST_BRW_PAUSE_BULK 0x214
138 #define OBD_FAIL_OST_ENOSPC 0x215
139 #define OBD_FAIL_OST_EROFS 0x216
140 #define OBD_FAIL_OST_ENOENT 0x217
141 #define OBD_FAIL_OST_QUOTACHECK_NET 0x218
142 #define OBD_FAIL_OST_QUOTACTL_NET 0x219
143 #define OBD_FAIL_OST_CHECKSUM_RECEIVE 0x21a
144 #define OBD_FAIL_OST_CHECKSUM_SEND 0x21b
145 #define OBD_FAIL_OST_BRW_SIZE 0x21c
146 #define OBD_FAIL_OST_DROP_REQ 0x21d
147 #define OBD_FAIL_OST_SETATTR_CREDITS 0x21e
148 #define OBD_FAIL_OST_HOLD_WRITE_RPC 0x21f
149 #define OBD_FAIL_OST_BRW_WRITE_BULK2 0x220
151 #define OBD_FAIL_LDLM 0x300
152 #define OBD_FAIL_LDLM_NAMESPACE_NEW 0x301
153 #define OBD_FAIL_LDLM_ENQUEUE 0x302
154 #define OBD_FAIL_LDLM_CONVERT 0x303
155 #define OBD_FAIL_LDLM_CANCEL 0x304
156 #define OBD_FAIL_LDLM_BL_CALLBACK 0x305
157 #define OBD_FAIL_LDLM_CP_CALLBACK 0x306
158 #define OBD_FAIL_LDLM_GL_CALLBACK 0x307
159 #define OBD_FAIL_LDLM_ENQUEUE_EXTENT_ERR 0x308
160 #define OBD_FAIL_LDLM_ENQUEUE_INTENT_ERR 0x309
161 #define OBD_FAIL_LDLM_CREATE_RESOURCE 0x30a
162 #define OBD_FAIL_LDLM_ENQUEUE_BLOCKED 0x30b
163 #define OBD_FAIL_LDLM_REPLY 0x30c
164 #define OBD_FAIL_LDLM_RECOV_CLIENTS 0x30d
165 #define OBD_FAIL_LDLM_ENQUEUE_OLD_EXPORT 0x30e
166 #define OBD_FAIL_LDLM_GLIMPSE 0x30f
167 #define OBD_FAIL_LDLM_CANCEL_RACE 0x310
168 #define OBD_FAIL_LDLM_CANCEL_EVICT_RACE 0x311
170 #define OBD_FAIL_OSC 0x400
171 #define OBD_FAIL_OSC_BRW_READ_BULK 0x401
172 #define OBD_FAIL_OSC_BRW_WRITE_BULK 0x402
173 #define OBD_FAIL_OSC_LOCK_BL_AST 0x403
174 #define OBD_FAIL_OSC_LOCK_CP_AST 0x404
175 #define OBD_FAIL_OSC_MATCH 0x405
176 #define OBD_FAIL_OSC_BRW_PREP_REQ 0x406
177 #define OBD_FAIL_OSC_SHUTDOWN 0x407
178 #define OBD_FAIL_OSC_CHECKSUM_RECEIVE 0x408
179 #define OBD_FAIL_OSC_CHECKSUM_SEND 0x409
180 #define OBD_FAIL_OSC_BRW_PREP_REQ2 0x40a
182 #define OBD_FAIL_PTLRPC 0x500
183 #define OBD_FAIL_PTLRPC_ACK 0x501
184 #define OBD_FAIL_PTLRPC_RQBD 0x502
185 #define OBD_FAIL_PTLRPC_BULK_GET_NET 0x503
186 #define OBD_FAIL_PTLRPC_BULK_PUT_NET 0x504
187 #define OBD_FAIL_PTLRPC_DROP_RPC 0x505
188 #define OBD_FAIL_PTLRPC_DELAY_SEND 0x506
189 #define OBD_FAIL_PTLRPC_DELAY_RECOV 0x507
191 #define OBD_FAIL_OBD_PING_NET 0x600
192 #define OBD_FAIL_OBD_LOG_CANCEL_NET 0x601
193 #define OBD_FAIL_OBD_LOGD_NET 0x602
194 #define OBD_FAIL_OBD_QC_CALLBACK_NET 0x603
195 #define OBD_FAIL_OBD_DQACQ 0x604
197 #define OBD_FAIL_TGT_REPLY_NET 0x700
198 #define OBD_FAIL_TGT_CONN_RACE 0x701
199 #define OBD_FAIL_TGT_FORCE_RECONNECT 0x702
200 #define OBD_FAIL_TGT_DELAY_CONNECT 0x703
201 #define OBD_FAIL_TGT_DELAY_RECONNECT 0x704
202 #define OBD_FAIL_TGT_DELAY_PRECREATE 0x705
204 #define OBD_FAIL_MDC_REVALIDATE_PAUSE 0x800
205 #define OBD_FAIL_MDC_ENQUEUE_PAUSE 0x801
207 #define OBD_FAIL_MGS 0x900
208 #define OBD_FAIL_MGS_ALL_REQUEST_NET 0x901
209 #define OBD_FAIL_MGS_ALL_REPLY_NET 0x902
210 #define OBD_FAIL_MGC_PROCESS_LOG 0x903
211 #define OBD_FAIL_MGS_SLOW_REQUEST_NET 0x904
212 #define OBD_FAIL_MGS_SLOW_TARGET_REG 0x905
214 #define OBD_FAIL_QUOTA_QD_COUNT_32BIT 0xa00
216 #define OBD_FAIL_LPROC_REMOVE 0xb00
218 #define OBD_FAIL_SEQ 0x1000
219 #define OBD_FAIL_SEQ_QUERY_NET 0x1001
221 #define OBD_FAIL_FLD 0x1100
222 #define OBD_FAIL_FLD_QUERY_NET 0x1101
224 #define OBD_FAIL_SEC_CTX 0x1200
225 #define OBD_FAIL_SEC_CTX_INIT_NET 0x1201
226 #define OBD_FAIL_SEC_CTX_INIT_CONT_NET 0x1202
227 #define OBD_FAIL_SEC_CTX_FINI_NET 0x1203
229 /* Failure injection control */
230 #define OBD_FAIL_MASK_SYS 0x0000FF00
231 #define OBD_FAIL_MASK_LOC (0x000000FF | OBD_FAIL_MASK_SYS)
232 #define OBD_FAIL_ONCE 0x80000000
233 #define OBD_FAILED 0x40000000
235 /* The following flags aren't made to be combined */
236 #define OBD_FAIL_SKIP 0x20000000 /* skip N then fail */
237 #define OBD_FAIL_SOME 0x10000000 /* fail N times */
238 #define OBD_FAIL_RAND 0x08000000 /* fail 1/N of the time */
239 #define OBD_FAIL_USR1 0x04000000 /* user flag */
241 static inline int obd_fail_check(__u32 id)
243 static int count = 0;
244 if (likely((obd_fail_loc & OBD_FAIL_MASK_LOC) !=
245 (id & OBD_FAIL_MASK_LOC)))
248 if ((obd_fail_loc & (OBD_FAILED | OBD_FAIL_ONCE)) ==
249 (OBD_FAILED | OBD_FAIL_ONCE)) {
250 count = 0; /* paranoia */
254 if (obd_fail_loc & OBD_FAIL_RAND) {
255 unsigned int ll_rand(void);
256 if (obd_fail_val < 2)
258 if (ll_rand() % obd_fail_val > 0)
262 if (obd_fail_loc & OBD_FAIL_SKIP) {
264 if (count < obd_fail_val)
269 /* Overridden by FAIL_ONCE */
270 if (obd_fail_loc & OBD_FAIL_SOME) {
272 if (count >= obd_fail_val) {
274 /* Don't fail anymore */
275 obd_fail_loc |= OBD_FAIL_ONCE;
279 obd_fail_loc |= OBD_FAILED;
280 /* Handle old checks that OR in this */
281 if (id & OBD_FAIL_ONCE)
282 obd_fail_loc |= OBD_FAIL_ONCE;
287 #define OBD_FAIL_CHECK(id) \
290 if (unlikely(obd_fail_loc && (_ret_ = obd_fail_check(id)))) { \
291 CERROR("*** obd_fail_loc=%x ***\n", id); \
296 /* deprecated - just use OBD_FAIL_CHECK */
297 #define OBD_FAIL_CHECK_ONCE OBD_FAIL_CHECK
299 #define OBD_FAIL_RETURN(id, ret) \
301 if (unlikely(obd_fail_loc && obd_fail_check(id))) { \
302 CERROR("*** obd_fail_return=%x rc=%d ***\n", id, ret); \
307 #define OBD_FAIL_TIMEOUT(id, secs) \
309 if (unlikely(obd_fail_loc && (_ret_ = obd_fail_check(id)))) { \
310 CERROR("obd_fail_timeout id %x sleeping for %d secs\n", \
312 set_current_state(TASK_UNINTERRUPTIBLE); \
313 cfs_schedule_timeout(CFS_TASK_UNINT, \
314 cfs_time_seconds(secs)); \
315 set_current_state(TASK_RUNNING); \
316 CERROR("obd_fail_timeout id %x awake\n", (id)); \
321 #define OBD_FAIL_TIMEOUT_MS(id, ms) \
323 if (unlikely(obd_fail_loc && (_ret_ = obd_fail_check(id)))) { \
324 CERROR("obd_fail_timeout id %x sleeping for %d ms\n", \
326 set_current_state(TASK_UNINTERRUPTIBLE); \
327 cfs_schedule_timeout(CFS_TASK_UNINT, \
328 cfs_time_seconds(ms)/1000); \
329 set_current_state(TASK_RUNNING); \
330 CERROR("obd_fail_timeout id %x awake\n", (id)); \
336 /* The idea here is to synchronise two threads to force a race. The
337 * first thread that calls this with a matching fail_loc is put to
338 * sleep. The next thread that calls with the same fail_loc wakes up
339 * the first and continues. */
340 #define OBD_RACE(id) \
342 if (unlikely(obd_fail_loc && obd_fail_check(id))) { \
343 obd_race_state = 0; \
344 CERROR("obd_race id %x sleeping\n", (id)); \
345 OBD_SLEEP_ON(obd_race_waitq, obd_race_state != 0); \
346 CERROR("obd_fail_race id %x awake\n", (id)); \
347 } else if ((obd_fail_loc & OBD_FAIL_MASK_LOC) == \
348 ((id) & OBD_FAIL_MASK_LOC)) { \
349 CERROR("obd_fail_race id %x waking\n", (id)); \
350 obd_race_state = 1; \
351 wake_up(&obd_race_waitq); \
355 /* sigh. an expedient fix until OBD_RACE is fixed up */
356 #define OBD_RACE(foo) do {} while(0)
359 #define fixme() CDEBUG(D_OTHER, "FIXME\n");
361 extern atomic_t libcfs_kmemory;
363 #if defined (CONFIG_DEBUG_MEMORY) && defined(__KERNEL__)
365 #define OBD_MT_WRONG_SIZE (1 << 0)
366 #define OBD_MT_ALREADY_FREED (1 << 1)
367 #define OBD_MT_LOC_LEN 128
369 struct obd_mem_track {
370 struct hlist_node mt_hash;
371 char mt_loc[OBD_MT_LOC_LEN];
377 void lvfs_memdbg_show(void);
378 void lvfs_memdbg_insert(struct obd_mem_track *mt);
379 void lvfs_memdbg_remove(struct obd_mem_track *mt);
380 struct obd_mem_track *lvfs_memdbg_find(void *ptr);
382 int lvfs_memdbg_check_insert(struct obd_mem_track *mt);
383 struct obd_mem_track *lvfs_memdbg_check_remove(void *ptr);
385 static inline struct obd_mem_track *
386 __new_mem_track(void *ptr, int size,
387 char *file, int line)
389 struct obd_mem_track *mt;
391 mt = kmalloc(sizeof(*mt), GFP_KERNEL);
395 snprintf(mt->mt_loc, sizeof(mt->mt_loc) - 1,
396 "%s:%d", file, line);
405 __free_mem_track(struct obd_mem_track *mt)
411 __get_mem_track(void *ptr, int size,
412 char *file, int line)
414 struct obd_mem_track *mt;
416 mt = __new_mem_track(ptr, size, file, line);
418 CWARN("Can't allocate new memory track\n");
422 if (!lvfs_memdbg_check_insert(mt))
423 __free_mem_track(mt);
429 __put_mem_track(void *ptr, int size,
430 char *file, int line)
432 struct obd_mem_track *mt;
434 if (unlikely(!(mt = lvfs_memdbg_check_remove(ptr)))) {
435 CWARN("Ptr 0x%p is not allocated. Attempt to free "
436 "not allocated memory at %s:%d\n", ptr,
441 if (unlikely(mt->mt_size != size)) {
442 if (!(mt->mt_flags & OBD_MT_ALREADY_FREED)) {
443 mt->mt_flags |= (OBD_MT_WRONG_SIZE |
444 OBD_MT_ALREADY_FREED);
446 CWARN("Freeing memory chunk (at 0x%p) of "
447 "different size than allocated "
448 "(%d != %d) at %s:%d, allocated at %s\n",
449 ptr, mt->mt_size, size, file, line,
453 __free_mem_track(mt);
459 #define get_mem_track(ptr, size, file, line) \
460 __get_mem_track((ptr), (size), (file), (line))
462 #define put_mem_track(ptr, size, file, line) \
463 __put_mem_track((ptr), (size), (file), (line))
465 #else /* !CONFIG_DEBUG_MEMORY */
467 #define get_mem_track(ptr, size, file, line) \
470 #define put_mem_track(ptr, size, file, line) \
472 #endif /* !CONFIG_DEBUG_MEMORY */
474 #define OBD_DEBUG_MEMUSAGE (1)
476 #if OBD_DEBUG_MEMUSAGE
477 #define OBD_ALLOC_POST(ptr, size, name) \
478 atomic_add(size, &obd_memory); \
479 if (atomic_read(&obd_memory) > obd_memmax) \
480 obd_memmax = atomic_read(&obd_memory); \
481 get_mem_track((ptr), (size), __FILE__, __LINE__); \
482 CDEBUG(D_MALLOC, name " '" #ptr "': %d at %p (tot %d)\n", \
483 (int)(size), ptr, atomic_read(&obd_memory))
485 #define OBD_FREE_PRE(ptr, size, name) \
487 put_mem_track((ptr), (size), __FILE__, __LINE__); \
488 atomic_sub(size, &obd_memory); \
489 CDEBUG(D_MALLOC, name " '" #ptr "': %d at %p (tot %d).\n", \
490 (int)(size), ptr, atomic_read(&obd_memory)); \
491 POISON(ptr, 0x5a, size)
493 #else /* !OBD_DEBUG_MEMUSAGE */
495 #define OBD_ALLOC_POST(ptr, size, name) ((void)0)
496 #define OBD_FREE_PRE(ptr, size, name) ((void)0)
498 #endif /* !OBD_DEBUG_MEMUSAGE */
500 #if defined(LUSTRE_UTILS) /* this version is for utils only */
501 #define OBD_ALLOC_GFP(ptr, size, gfp_mask) \
503 (ptr) = cfs_alloc(size, (gfp_mask)); \
504 if (unlikely((ptr) == NULL)) { \
505 CERROR("kmalloc of '" #ptr "' (%d bytes) failed at %s:%d\n", \
506 (int)(size), __FILE__, __LINE__); \
508 memset(ptr, 0, size); \
509 CDEBUG(D_MALLOC, "kmalloced '" #ptr "': %d at %p\n", \
513 #else /* this version is for the kernel and liblustre */
514 #define OBD_ALLOC_GFP(ptr, size, gfp_mask) \
516 (ptr) = cfs_alloc(size, (gfp_mask)); \
517 if (unlikely((ptr) == NULL)) { \
518 CERROR("kmalloc of '" #ptr "' (%d bytes) failed at %s:%d\n", \
519 (int)(size), __FILE__, __LINE__); \
520 CERROR("%d total bytes allocated by Lustre, %d by Portals\n", \
521 atomic_read(&obd_memory), atomic_read(&libcfs_kmemory));\
523 memset(ptr, 0, size); \
524 OBD_ALLOC_POST(ptr, size, "kmalloced"); \
529 #ifndef OBD_ALLOC_MASK
530 # define OBD_ALLOC_MASK CFS_ALLOC_IO
533 #define OBD_ALLOC(ptr, size) OBD_ALLOC_GFP(ptr, size, OBD_ALLOC_MASK)
534 #define OBD_ALLOC_WAIT(ptr, size) OBD_ALLOC_GFP(ptr, size, CFS_ALLOC_STD)
535 #define OBD_ALLOC_PTR(ptr) OBD_ALLOC(ptr, sizeof *(ptr))
536 #define OBD_ALLOC_PTR_WAIT(ptr) OBD_ALLOC_WAIT(ptr, sizeof *(ptr))
539 # define OBD_VMALLOC(ptr, size) OBD_ALLOC(ptr, size)
541 # define OBD_VMALLOC(ptr, size) \
543 (ptr) = cfs_alloc_large(size); \
544 if (unlikely((ptr) == NULL)) { \
545 CERROR("vmalloc of '" #ptr "' (%d bytes) failed at %s:%d\n", \
546 (int)(size), __FILE__, __LINE__); \
547 CERROR("%d total bytes allocated by Lustre, %d by Portals\n", \
548 atomic_read(&obd_memory), atomic_read(&libcfs_kmemory));\
550 memset(ptr, 0, size); \
551 OBD_ALLOC_POST(ptr, size, "vmalloced"); \
556 #ifdef CONFIG_DEBUG_SLAB
557 #define POISON(ptr, c, s) do {} while (0)
558 #define POISON_PTR(ptr) ((void)0)
560 #define POISON(ptr, c, s) memset(ptr, c, s)
561 #define POISON_PTR(ptr) (ptr) = (void *)0xdeadbeef
565 #define POISON_PAGE(page, val) do { memset(kmap(page), val, CFS_PAGE_SIZE); \
566 kunmap(page); } while (0)
568 #define POISON_PAGE(page, val) do { } while (0)
572 #define OBD_FREE(ptr, size) \
574 OBD_FREE_PRE(ptr, size, "kfreed"); \
581 # ifdef HAVE_CALL_RCU_PARAM
582 # define my_call_rcu(rcu, cb) call_rcu(rcu, cb, rcu)
584 # define my_call_rcu(rcu, cb) call_rcu(rcu, cb)
587 # define my_call_rcu(rcu, cb) (cb)(rcu)
590 #define OBD_FREE_RCU_CB(ptr, size, handle, free_cb) \
592 struct portals_handle *__h = (handle); \
594 __h->h_ptr = (ptr); \
595 __h->h_size = (size); \
596 __h->h_free_cb = (void (*)(void *, size_t))(free_cb); \
597 my_call_rcu(&__h->h_rcu, class_handle_free_cb); \
600 #define OBD_FREE_RCU(ptr, size, handle) OBD_FREE_RCU_CB(ptr, size, handle, NULL)
603 #define OBD_FREE(ptr, size) ((void)(size), free((ptr)))
604 #define OBD_FREE_RCU(ptr, size, handle) (OBD_FREE(ptr, size))
605 #define OBD_FREE_RCU_CB(ptr, size, handle, cb) ((*(cb))(ptr, size))
606 #endif /* ifdef __KERNEL__ */
609 # define OBD_VFREE(ptr, size) OBD_FREE(ptr, size)
611 # define OBD_VFREE(ptr, size) \
613 OBD_FREE_PRE(ptr, size, "vfreed"); \
614 cfs_free_large(ptr); \
619 /* we memset() the slab object to 0 when allocation succeeds, so DO NOT
620 * HAVE A CTOR THAT DOES ANYTHING. its work will be cleared here. we'd
621 * love to assert on that, but slab.c keeps kmem_cache_s all to itself. */
622 #define OBD_SLAB_ALLOC(ptr, slab, type, size) \
624 LASSERT(!in_interrupt()); \
625 (ptr) = cfs_mem_cache_alloc(slab, (type)); \
626 if (unlikely((ptr) == NULL)) { \
627 CERROR("slab-alloc of '"#ptr"' (%d bytes) failed at %s:%d\n", \
628 (int)(size), __FILE__, __LINE__); \
629 CERROR("%d total bytes allocated by Lustre, %d by Portals\n", \
630 atomic_read(&obd_memory), atomic_read(&libcfs_kmemory));\
632 memset(ptr, 0, size); \
633 OBD_ALLOC_POST(ptr, size, "slab-alloced"); \
637 #define OBD_FREE_PTR(ptr) OBD_FREE(ptr, sizeof *(ptr))
639 #define OBD_SLAB_FREE(ptr, slab, size) \
641 OBD_FREE_PRE(ptr, size, "slab-freed"); \
642 cfs_mem_cache_free(slab, ptr); \
646 #define OBD_SLAB_ALLOC_PTR(ptr, slab) \
647 OBD_SLAB_ALLOC((ptr), (slab), CFS_ALLOC_STD, sizeof *(ptr))
648 #define OBD_SLAB_FREE_PTR(ptr, slab) \
649 OBD_SLAB_FREE((ptr), (slab), sizeof *(ptr))
651 #define KEY_IS(str) (keylen >= strlen(str) && strcmp(key, str) == 0)
653 #if defined(__linux__)
654 #include <linux/obd_support.h>
655 #elif defined(__APPLE__)
656 #include <darwin/obd_support.h>
657 #elif defined(__WINNT__)
658 #include <winnt/obd_support.h>
660 #error Unsupported operating system.