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 /* global variables */
31 extern struct lprocfs_stats *obd_memory;
34 OBD_MEMORY_PAGES_STAT = 1,
38 extern unsigned int obd_fail_loc;
39 extern unsigned int obd_fail_val;
40 extern unsigned int obd_debug_peer_on_timeout;
41 extern unsigned int obd_dump_on_timeout;
42 extern unsigned int obd_dump_on_eviction;
43 /* obd_timeout should only be used for recovery, not for
44 networking / disk / timings affected by load (use Adaptive Timeouts) */
45 extern unsigned int obd_timeout; /* seconds */
46 extern unsigned int ldlm_timeout; /* seconds */
47 extern unsigned int obd_sync_filter;
48 extern unsigned int obd_max_dirty_pages;
49 extern atomic_t obd_dirty_pages;
50 extern cfs_waitq_t obd_race_waitq;
51 extern int obd_race_state;
52 extern unsigned int obd_alloc_fail_rate;
54 /* Timeout definitions */
55 #define OBD_TIMEOUT_DEFAULT 100
56 #define LDLM_TIMEOUT_DEFAULT 20
57 /* Time to wait for all clients to reconnect during recovery */
58 /* Should be very conservative; must catch the first reconnect after reboot */
59 #define OBD_RECOVERY_FACTOR (5 / 2) /* times obd_timeout */
60 /* Change recovery-small 26b time if you change this */
61 #define PING_INTERVAL max(obd_timeout / 4, 1U)
62 /* Client may skip 1 ping; wait for 2.5 */
63 #define PING_EVICT_TIMEOUT (PING_INTERVAL * 5 / 2)
64 #define DISK_TIMEOUT 50 /* Beyond this we warn about disk speed */
65 #define CONNECTION_SWITCH_MIN 5U /* Connection switching rate limiter */
66 /* Max connect interval for nonresponsive servers; ~50s to avoid building up
67 connect requests in the LND queues, but within obd_timeout so we don't
68 miss the recovery window */
69 #define CONNECTION_SWITCH_MAX min(50U, max(CONNECTION_SWITCH_MIN,obd_timeout))
70 #define CONNECTION_SWITCH_INC 5 /* Connection timeout backoff */
72 /* In general this should be low to have quick detection of a system
73 running on a backup server. (If it's too low, import_select_connection
74 will increase the timeout anyhow.) */
75 #define INITIAL_CONNECT_TIMEOUT max(CONNECTION_SWITCH_MIN,obd_timeout/20)
77 /* ...but for very large systems (e.g. CRAY) we need to keep the initial
78 connect t.o. high (bz 10803), because they will nearly ALWAYS be doing the
79 connects for the first time (clients "reboot" after every process, so no
80 chance to generate adaptive timeout data. */
81 #define INITIAL_CONNECT_TIMEOUT max(CONNECTION_SWITCH_MIN,obd_timeout/2)
83 #define LONG_UNLINK 300 /* Unlink should happen before now */
86 #define OBD_FAIL_MDS 0x100
87 #define OBD_FAIL_MDS_HANDLE_UNPACK 0x101
88 #define OBD_FAIL_MDS_GETATTR_NET 0x102
89 #define OBD_FAIL_MDS_GETATTR_PACK 0x103
90 #define OBD_FAIL_MDS_READPAGE_NET 0x104
91 #define OBD_FAIL_MDS_READPAGE_PACK 0x105
92 #define OBD_FAIL_MDS_SENDPAGE 0x106
93 #define OBD_FAIL_MDS_REINT_NET 0x107
94 #define OBD_FAIL_MDS_REINT_UNPACK 0x108
95 #define OBD_FAIL_MDS_REINT_SETATTR 0x109
96 #define OBD_FAIL_MDS_REINT_SETATTR_WRITE 0x10a
97 #define OBD_FAIL_MDS_REINT_CREATE 0x10b
98 #define OBD_FAIL_MDS_REINT_CREATE_WRITE 0x10c
99 #define OBD_FAIL_MDS_REINT_UNLINK 0x10d
100 #define OBD_FAIL_MDS_REINT_UNLINK_WRITE 0x10e
101 #define OBD_FAIL_MDS_REINT_LINK 0x10f
102 #define OBD_FAIL_MDS_REINT_LINK_WRITE 0x110
103 #define OBD_FAIL_MDS_REINT_RENAME 0x111
104 #define OBD_FAIL_MDS_REINT_RENAME_WRITE 0x112
105 #define OBD_FAIL_MDS_OPEN_NET 0x113
106 #define OBD_FAIL_MDS_OPEN_PACK 0x114
107 #define OBD_FAIL_MDS_CLOSE_NET 0x115
108 #define OBD_FAIL_MDS_CLOSE_PACK 0x116
109 #define OBD_FAIL_MDS_CONNECT_NET 0x117
110 #define OBD_FAIL_MDS_CONNECT_PACK 0x118
111 #define OBD_FAIL_MDS_REINT_NET_REP 0x119
112 #define OBD_FAIL_MDS_DISCONNECT_NET 0x11a
113 #define OBD_FAIL_MDS_GETSTATUS_NET 0x11b
114 #define OBD_FAIL_MDS_GETSTATUS_PACK 0x11c
115 #define OBD_FAIL_MDS_STATFS_PACK 0x11d
116 #define OBD_FAIL_MDS_STATFS_NET 0x11e
117 #define OBD_FAIL_MDS_GETATTR_NAME_NET 0x11f
118 #define OBD_FAIL_MDS_PIN_NET 0x120
119 #define OBD_FAIL_MDS_UNPIN_NET 0x121
120 #define OBD_FAIL_MDS_ALL_REPLY_NET 0x122
121 #define OBD_FAIL_MDS_ALL_REQUEST_NET 0x123
122 #define OBD_FAIL_MDS_SYNC_NET 0x124
123 #define OBD_FAIL_MDS_SYNC_PACK 0x125
124 #define OBD_FAIL_MDS_DONE_WRITING_NET 0x126
125 #define OBD_FAIL_MDS_DONE_WRITING_PACK 0x127
126 #define OBD_FAIL_MDS_ALLOC_OBDO 0x128
127 #define OBD_FAIL_MDS_PAUSE_OPEN 0x129
128 #define OBD_FAIL_MDS_STATFS_LCW_SLEEP 0x12a
129 #define OBD_FAIL_MDS_OPEN_CREATE 0x12b
130 #define OBD_FAIL_MDS_OST_SETATTR 0x12c
131 #define OBD_FAIL_MDS_QUOTACHECK_NET 0x12d
132 #define OBD_FAIL_MDS_QUOTACTL_NET 0x12e
133 #define OBD_FAIL_MDS_CLIENT_ADD 0x12f
134 #define OBD_FAIL_MDS_GETXATTR_NET 0x130
135 #define OBD_FAIL_MDS_GETXATTR_PACK 0x131
136 #define OBD_FAIL_MDS_SETXATTR_NET 0x132
137 #define OBD_FAIL_MDS_SETXATTR 0x133
138 #define OBD_FAIL_MDS_SETXATTR_WRITE 0x134
139 #define OBD_FAIL_MDS_FS_SETUP 0x135
140 #define OBD_FAIL_MDS_RESEND 0x136
141 #define OBD_FAIL_MDS_LLOG_CREATE_FAILED 0x137
142 #define OBD_FAIL_MDS_LOV_SYNC_RACE 0x138
143 #define OBD_FAIL_MDS_OSC_PRECREATE 0x139
144 #define OBD_FAIL_MDS_LLOG_SYNC_TIMEOUT 0x13a
145 #define OBD_FAIL_MDS_CLOSE_NET_REP 0x13b
147 #define OBD_FAIL_OST 0x200
148 #define OBD_FAIL_OST_CONNECT_NET 0x201
149 #define OBD_FAIL_OST_DISCONNECT_NET 0x202
150 #define OBD_FAIL_OST_GET_INFO_NET 0x203
151 #define OBD_FAIL_OST_CREATE_NET 0x204
152 #define OBD_FAIL_OST_DESTROY_NET 0x205
153 #define OBD_FAIL_OST_GETATTR_NET 0x206
154 #define OBD_FAIL_OST_SETATTR_NET 0x207
155 #define OBD_FAIL_OST_OPEN_NET 0x208
156 #define OBD_FAIL_OST_CLOSE_NET 0x209
157 #define OBD_FAIL_OST_BRW_NET 0x20a
158 #define OBD_FAIL_OST_PUNCH_NET 0x20b
159 #define OBD_FAIL_OST_STATFS_NET 0x20c
160 #define OBD_FAIL_OST_HANDLE_UNPACK 0x20d
161 #define OBD_FAIL_OST_BRW_WRITE_BULK 0x20e
162 #define OBD_FAIL_OST_BRW_READ_BULK 0x20f
163 #define OBD_FAIL_OST_SYNC_NET 0x210
164 #define OBD_FAIL_OST_ALL_REPLY_NET 0x211
165 #define OBD_FAIL_OST_ALL_REQUEST_NET 0x212
166 #define OBD_FAIL_OST_LDLM_REPLY_NET 0x213
167 #define OBD_FAIL_OST_BRW_PAUSE_BULK 0x214
168 #define OBD_FAIL_OST_ENOSPC 0x215
169 #define OBD_FAIL_OST_EROFS 0x216
170 #define OBD_FAIL_OST_ENOENT 0x217
171 #define OBD_FAIL_OST_QUOTACHECK_NET 0x218
172 #define OBD_FAIL_OST_QUOTACTL_NET 0x219
173 #define OBD_FAIL_OST_CHECKSUM_RECEIVE 0x21a
174 #define OBD_FAIL_OST_CHECKSUM_SEND 0x21b
175 #define OBD_FAIL_OST_BRW_SIZE 0x21c
176 #define OBD_FAIL_OST_DROP_REQ 0x21d
177 #define OBD_FAIL_OST_SETATTR_CREDITS 0x21e
178 #define OBD_FAIL_OST_HOLD_WRITE_RPC 0x21f
179 #define OBD_FAIL_OST_BRW_WRITE_BULK2 0x220
180 #define OBD_FAIL_OST_LLOG_RECOVERY_TIMEOUT 0x221
181 #define OBD_FAIL_OST_CANCEL_COOKIE_TIMEOUT 0x222
182 #define OBD_FAIL_OST_PAUSE_CREATE 0x223
183 #define OBD_FAIL_OST_BRW_PAUSE_PACK 0x224
185 #define OBD_FAIL_LDLM 0x300
186 #define OBD_FAIL_LDLM_NAMESPACE_NEW 0x301
187 #define OBD_FAIL_LDLM_ENQUEUE 0x302
188 #define OBD_FAIL_LDLM_CONVERT 0x303
189 #define OBD_FAIL_LDLM_CANCEL 0x304
190 #define OBD_FAIL_LDLM_BL_CALLBACK 0x305
191 #define OBD_FAIL_LDLM_CP_CALLBACK 0x306
192 #define OBD_FAIL_LDLM_GL_CALLBACK 0x307
193 #define OBD_FAIL_LDLM_ENQUEUE_EXTENT_ERR 0x308
194 #define OBD_FAIL_LDLM_ENQUEUE_INTENT_ERR 0x309
195 #define OBD_FAIL_LDLM_CREATE_RESOURCE 0x30a
196 #define OBD_FAIL_LDLM_ENQUEUE_BLOCKED 0x30b
197 #define OBD_FAIL_LDLM_REPLY 0x30c
198 #define OBD_FAIL_LDLM_RECOV_CLIENTS 0x30d
199 #define OBD_FAIL_LDLM_ENQUEUE_OLD_EXPORT 0x30e
200 #define OBD_FAIL_LDLM_GLIMPSE 0x30f
201 #define OBD_FAIL_LDLM_CANCEL_RACE 0x310
202 #define OBD_FAIL_LDLM_CANCEL_EVICT_RACE 0x311
203 #define OBD_FAIL_LDLM_PAUSE_CANCEL 0x312
204 #define OBD_FAIL_LDLM_CLOSE_THREAD 0x313
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
226 #define OBD_FAIL_PTLRPC_CLIENT_BULK_CB 0x508
227 #define OBD_FAIL_PTLRPC_PAUSE_REQ 0x50a
228 #define OBD_FAIL_PTLRPC_PAUSE_REP 0x50c
230 #define OBD_FAIL_OBD_PING_NET 0x600
231 #define OBD_FAIL_OBD_LOG_CANCEL_NET 0x601
232 #define OBD_FAIL_OBD_LOGD_NET 0x602
233 #define OBD_FAIL_OBD_QC_CALLBACK_NET 0x603
234 #define OBD_FAIL_OBD_DQACQ 0x604
236 #define OBD_FAIL_TGT_REPLY_NET 0x700
237 #define OBD_FAIL_TGT_CONN_RACE 0x701
238 #define OBD_FAIL_TGT_FORCE_RECONNECT 0x702
239 #define OBD_FAIL_TGT_DELAY_CONNECT 0x703
240 #define OBD_FAIL_TGT_DELAY_RECONNECT 0x704
241 #define OBD_FAIL_TGT_DELAY_PRECREATE 0x705
243 #define OBD_FAIL_MDC_REVALIDATE_PAUSE 0x800
244 #define OBD_FAIL_MDC_ENQUEUE_PAUSE 0x801
245 #define OBD_FAIL_MDC_OLD_EXT_FLAGS 0x802
247 #define OBD_FAIL_MGS 0x900
248 #define OBD_FAIL_MGS_ALL_REQUEST_NET 0x901
249 #define OBD_FAIL_MGS_ALL_REPLY_NET 0x902
250 #define OBD_FAIL_MGC_PAUSE_PROCESS_LOG 0x903
251 #define OBD_FAIL_MGS_PAUSE_REQ 0x904
252 #define OBD_FAIL_MGS_PAUSE_TARGET_REG 0x905
254 #define OBD_FAIL_QUOTA_QD_COUNT_32BIT 0xA00
256 #define OBD_FAIL_LPROC_REMOVE 0xB00
258 #define OBD_FAIL_GENERAL_ALLOC 0xC00
260 /* Failure injection control */
261 #define OBD_FAIL_MASK_SYS 0x0000FF00
262 #define OBD_FAIL_MASK_LOC (0x000000FF | OBD_FAIL_MASK_SYS)
263 #define OBD_FAIL_ONCE 0x80000000
264 #define OBD_FAILED 0x40000000
265 /* The following flags aren't made to be combined */
266 #define OBD_FAIL_SKIP 0x20000000 /* skip N then fail */
267 #define OBD_FAIL_SOME 0x10000000 /* fail N times */
268 #define OBD_FAIL_RAND 0x08000000 /* fail 1/N of the time */
269 #define OBD_FAIL_USR1 0x04000000 /* user flag */
271 int obd_fail_check(__u32 id);
272 #define OBD_FAIL_CHECK(id) \
275 if (unlikely(obd_fail_loc && (_ret_ = obd_fail_check(id)))) { \
276 CERROR("*** obd_fail_loc=%x ***\n", id); \
281 #define OBD_FAIL_CHECK_QUIET(id) \
282 (unlikely(obd_fail_loc) ? obd_fail_check(id) : 0)
284 /* deprecated - just use OBD_FAIL_CHECK */
285 #define OBD_FAIL_CHECK_ONCE OBD_FAIL_CHECK
287 #define OBD_FAIL_RETURN(id, ret) \
289 if (unlikely(obd_fail_loc && obd_fail_check(id))) { \
290 CERROR("*** obd_fail_return=%x rc=%d ***\n", id, ret); \
295 #define OBD_FAIL_TIMEOUT(id, secs) \
297 if (unlikely(obd_fail_loc && (_ret_ = obd_fail_check(id)))) { \
298 CERROR("obd_fail_timeout id %x sleeping for %d secs\n", \
300 set_current_state(TASK_UNINTERRUPTIBLE); \
301 cfs_schedule_timeout(CFS_TASK_UNINT, \
302 cfs_time_seconds(secs)); \
303 set_current_state(TASK_RUNNING); \
304 CERROR("obd_fail_timeout id %x awake\n", (id)); \
309 #define OBD_FAIL_TIMEOUT_MS(id, ms) \
311 if (unlikely(obd_fail_loc && (_ret_ = obd_fail_check(id)))) { \
312 CERROR("obd_fail_timeout id %x sleeping for %d ms\n", \
314 set_current_state(TASK_UNINTERRUPTIBLE); \
315 cfs_schedule_timeout(CFS_TASK_UNINT, \
316 cfs_time_seconds(ms)/1000); \
317 set_current_state(TASK_RUNNING); \
318 CERROR("obd_fail_timeout id %x awake\n", (id)); \
324 /* The idea here is to synchronise two threads to force a race. The
325 * first thread that calls this with a matching fail_loc is put to
326 * sleep. The next thread that calls with the same fail_loc wakes up
327 * the first and continues. */
328 #define OBD_RACE(id) \
330 if (unlikely(obd_fail_loc && obd_fail_check(id))) { \
331 obd_race_state = 0; \
332 CERROR("obd_race id %x sleeping\n", (id)); \
333 OBD_SLEEP_ON(obd_race_waitq, obd_race_state != 0); \
334 CERROR("obd_fail_race id %x awake\n", (id)); \
335 } else if ((obd_fail_loc & OBD_FAIL_MASK_LOC) == \
336 ((id) & OBD_FAIL_MASK_LOC)) { \
337 CERROR("obd_fail_race id %x waking\n", (id)); \
338 obd_race_state = 1; \
339 wake_up(&obd_race_waitq); \
343 /* sigh. an expedient fix until OBD_RACE is fixed up */
344 #define OBD_RACE(foo) do {} while(0)
347 #define fixme() CDEBUG(D_OTHER, "FIXME\n");
349 extern atomic_t libcfs_kmemory;
351 #ifdef RANDOM_FAIL_ALLOC
352 #define HAS_FAIL_ALLOC_FLAG OBD_FAIL_CHECK_QUIET(OBD_FAIL_GENERAL_ALLOC)
354 #define HAS_FAIL_ALLOC_FLAG 0
357 #define OBD_ALLOC_FAIL_BITS 24
358 #define OBD_ALLOC_FAIL_MASK ((1 << OBD_ALLOC_FAIL_BITS) - 1)
359 #define OBD_ALLOC_FAIL_MULT (OBD_ALLOC_FAIL_MASK / 100)
362 #define obd_memory_add(size) \
363 lprocfs_counter_add(obd_memory, OBD_MEMORY_STAT, (long)(size))
364 #define obd_memory_sub(size) \
365 lprocfs_counter_sub(obd_memory, OBD_MEMORY_STAT, (long)(size))
366 #define obd_memory_sum() \
367 lprocfs_stats_collector(obd_memory, OBD_MEMORY_STAT, \
368 LPROCFS_FIELDS_FLAGS_SUM)
369 #define obd_pages_add(order) \
370 lprocfs_counter_add(obd_memory, OBD_MEMORY_PAGES_STAT, \
371 (long)(1 << (order)))
372 #define obd_pages_sub(order) \
373 lprocfs_counter_sub(obd_memory, OBD_MEMORY_PAGES_STAT, \
374 (long)(1 << (order)))
375 #define obd_pages_sum() \
376 lprocfs_stats_collector(obd_memory, OBD_MEMORY_PAGES_STAT, \
377 LPROCFS_FIELDS_FLAGS_SUM)
379 extern void obd_update_maxusage(void);
380 extern __u64 obd_memory_max(void);
381 extern __u64 obd_pages_max(void);
385 extern __u64 obd_alloc;
386 extern __u64 obd_pages;
388 extern __u64 obd_max_alloc;
389 extern __u64 obd_max_pages;
391 static inline void obd_memory_add(long size)
394 if (obd_alloc > obd_max_alloc)
395 obd_max_alloc = obd_alloc;
398 static inline void obd_memory_sub(long size)
403 static inline void obd_pages_add(int order)
405 obd_pages += 1<< order;
406 if (obd_pages > obd_max_pages)
407 obd_max_pages = obd_pages;
410 static inline void obd_pages_sub(int order)
412 obd_pages -= 1<< order;
415 #define obd_memory_sum() (obd_alloc)
416 #define obd_pages_sum() (obd_pages)
418 #define obd_memory_max() (obd_max_alloc)
419 #define obd_pages_max() (obd_max_pages)
423 #if defined(LUSTRE_UTILS) /* this version is for utils only */
424 #define OBD_ALLOC_GFP(ptr, size, gfp_mask) \
426 (ptr) = cfs_alloc(size, (gfp_mask)); \
427 if (unlikely((ptr) == NULL)) { \
428 CERROR("kmalloc of '" #ptr "' (%d bytes) failed\n", \
431 memset(ptr, 0, size); \
432 CDEBUG(D_MALLOC, "kmalloced '" #ptr "': %d at %p\n", \
436 #else /* this version is for the kernel and liblustre */
437 #define OBD_FREE_RTN0(ptr) \
443 #define OBD_ALLOC_GFP(ptr, size, gfp_mask) \
445 (ptr) = cfs_alloc(size, (gfp_mask)); \
446 if (likely((ptr) != NULL && \
447 (!HAS_FAIL_ALLOC_FLAG || obd_alloc_fail_rate == 0 || \
448 !obd_alloc_fail(ptr, #ptr, "km", size, \
449 __FILE__, __LINE__) || \
450 OBD_FREE_RTN0(ptr)))){ \
451 memset(ptr, 0, size); \
452 obd_memory_add(size); \
453 CDEBUG(D_MALLOC, "kmalloced '" #ptr "': %d at %p.\n", \
459 #ifndef OBD_ALLOC_MASK
460 # define OBD_ALLOC_MASK CFS_ALLOC_IO
463 #define OBD_ALLOC(ptr, size) OBD_ALLOC_GFP(ptr, size, OBD_ALLOC_MASK)
464 #define OBD_ALLOC_WAIT(ptr, size) OBD_ALLOC_GFP(ptr, size, CFS_ALLOC_STD)
465 #define OBD_ALLOC_PTR(ptr) OBD_ALLOC(ptr, sizeof *(ptr))
466 #define OBD_ALLOC_PTR_WAIT(ptr) OBD_ALLOC_WAIT(ptr, sizeof *(ptr))
469 # define OBD_VMALLOC(ptr, size) OBD_ALLOC(ptr, size)
471 # define OBD_VMALLOC(ptr, size) \
473 (ptr) = cfs_alloc_large(size); \
474 if (unlikely((ptr) == NULL)) { \
475 CERROR("vmalloc of '" #ptr "' (%d bytes) failed\n", \
477 CERROR(LPU64" total bytes allocated by Lustre, %d by LNET\n", \
478 obd_memory_sum(), atomic_read(&libcfs_kmemory)); \
480 memset(ptr, 0, size); \
481 obd_memory_add(size); \
482 CDEBUG(D_MALLOC, "vmalloced '" #ptr "': %d at %p.\n", \
488 #ifdef CONFIG_DEBUG_SLAB
489 #define POISON(ptr, c, s) do {} while (0)
491 #define POISON(ptr, c, s) memset(ptr, c, s)
495 #define POISON_PAGE(page, val) do { memset(kmap(page), val, CFS_PAGE_SIZE); \
496 kunmap(page); } while (0)
498 #define POISON_PAGE(page, val) do { } while (0)
502 #define OBD_FREE(ptr, size) \
505 obd_memory_sub(size); \
506 CDEBUG(D_MALLOC, "kfreed '" #ptr "': %d at %p.\n", \
508 POISON(ptr, 0x5a, size); \
510 (ptr) = (void *)0xdeadbeef; \
514 # ifdef HAVE_CALL_RCU_PARAM
515 # define my_call_rcu(rcu, cb) call_rcu(rcu, cb, rcu)
517 # define my_call_rcu(rcu, cb) call_rcu(rcu, cb)
520 # define my_call_rcu(rcu, cb) (cb)(rcu)
523 #define OBD_FREE_RCU_CB(ptr, size, handle, free_cb) \
525 struct portals_handle *__h = (handle); \
527 __h->h_ptr = (ptr); \
528 __h->h_size = (size); \
529 __h->h_free_cb = (void (*)(void *, size_t))(free_cb); \
530 my_call_rcu(&__h->h_rcu, class_handle_free_cb); \
531 (ptr) = (void *)0xdeadbeef; \
533 #define OBD_FREE_RCU(ptr, size, handle) OBD_FREE_RCU_CB(ptr, size, handle, NULL)
535 #define OBD_FREE(ptr, size) ((void)(size), free((ptr)))
536 #define OBD_FREE_RCU(ptr, size, handle) (OBD_FREE(ptr, size))
537 #define OBD_FREE_RCU_CB(ptr, size, handle, cb) ((*(cb))(ptr, size))
541 # define OBD_VFREE(ptr, size) OBD_FREE(ptr, size)
543 # define OBD_VFREE(ptr, size) \
546 obd_memory_sub(size); \
547 CDEBUG(D_MALLOC, "vfreed '" #ptr "': %d at %p.\n", \
549 POISON(ptr, 0x5a, size); \
550 cfs_free_large(ptr); \
551 (ptr) = (void *)0xdeadbeef; \
555 /* we memset() the slab object to 0 when allocation succeeds, so DO NOT
556 * HAVE A CTOR THAT DOES ANYTHING. its work will be cleared here. we'd
557 * love to assert on that, but slab.c keeps kmem_cache_s all to itself. */
558 #define OBD_SLAB_FREE_RTN0(ptr, slab) \
560 cfs_mem_cache_free((slab), (ptr)); \
564 #define OBD_SLAB_ALLOC(ptr, slab, type, size) \
566 LASSERT(!in_interrupt()); \
567 (ptr) = cfs_mem_cache_alloc(slab, (type)); \
568 if (likely((ptr) != NULL && \
569 (!HAS_FAIL_ALLOC_FLAG || obd_alloc_fail_rate == 0 || \
570 !obd_alloc_fail(ptr, #ptr, "slab-", size, \
571 __FILE__, __LINE__) || \
572 OBD_SLAB_FREE_RTN0(ptr, slab)))) { \
573 memset(ptr, 0, size); \
574 obd_memory_add(size); \
575 CDEBUG(D_MALLOC, "slab-alloced '"#ptr"': %d at %p.\n", \
580 #define OBD_FREE_PTR(ptr) OBD_FREE(ptr, sizeof *(ptr))
582 #define OBD_SLAB_FREE(ptr, slab, size) \
585 CDEBUG(D_MALLOC, "slab-freed '" #ptr "': %d at %p.\n", \
587 obd_memory_sub(size); \
588 POISON(ptr, 0x5a, size); \
589 cfs_mem_cache_free(slab, ptr); \
590 (ptr) = (void *)0xdeadbeef; \
593 #define OBD_SLAB_ALLOC_PTR(ptr, slab) \
594 OBD_SLAB_ALLOC((ptr), (slab), CFS_ALLOC_STD, sizeof *(ptr))
595 #define OBD_SLAB_FREE_PTR(ptr, slab) \
596 OBD_SLAB_FREE((ptr), (slab), sizeof *(ptr))
598 #define KEY_IS(str) (keylen >= strlen(str) && strcmp(key, str) == 0)
600 /* Wrapper for contiguous page frame allocation */
601 #define OBD_PAGES_ALLOC(ptr, order, gfp_mask) \
603 (ptr) = cfs_alloc_pages(gfp_mask, order); \
604 if (unlikely((ptr) == NULL)) { \
605 CERROR("alloc_pages of '" #ptr "' %d page(s) / "LPU64" bytes "\
606 "failed\n", (int)(1 << (order)), \
607 (__u64)((1 << (order)) << CFS_PAGE_SHIFT)); \
608 CERROR(LPU64" total bytes and "LPU64" total pages " \
609 "("LPU64" bytes) allocated by Lustre, " \
610 "%d total bytes by LNET\n", \
612 obd_pages_sum() << CFS_PAGE_SHIFT, \
614 atomic_read(&libcfs_kmemory)); \
616 obd_pages_add(order); \
617 CDEBUG(D_MALLOC, "alloc_pages '" #ptr "': %d page(s) / " \
618 LPU64" bytes at %p.\n", \
619 (int)(1 << (order)), \
620 (__u64)((1 << (order)) << CFS_PAGE_SHIFT), ptr); \
624 #define OBD_PAGE_ALLOC(ptr, gfp_mask) \
625 OBD_PAGES_ALLOC(ptr, 0, gfp_mask)
627 #define OBD_PAGES_FREE(ptr, order) \
630 obd_pages_sub(order); \
631 CDEBUG(D_MALLOC, "free_pages '" #ptr "': %d page(s) / "LPU64" bytes " \
633 (int)(1 << (order)), (__u64)((1 << (order)) << CFS_PAGE_SHIFT),\
635 __cfs_free_pages(ptr, order); \
636 (ptr) = (void *)0xdeadbeef; \
639 #define OBD_PAGE_FREE(ptr) OBD_PAGES_FREE(ptr, 0)
641 #if defined(__linux__)
642 #include <linux/obd_support.h>
643 #elif defined(__APPLE__)
644 #include <darwin/obd_support.h>
645 #elif defined(__WINNT__)
646 #include <winnt/obd_support.h>
648 #error Unsupported operating system.