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_debug_peer_on_timeout;
33 extern unsigned int obd_dump_on_timeout;
34 extern unsigned int obd_dump_on_eviction;
35 extern unsigned int obd_timeout; /* seconds */
36 #define PING_INTERVAL max(obd_timeout / 4, 1U)
37 #define RECONNECT_INTERVAL max(obd_timeout / 10, 10U)
38 #define LDLM_TIMEOUT_DEFAULT 20
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;
48 #define OBD_FAIL_MDS 0x100
49 #define OBD_FAIL_MDS_HANDLE_UNPACK 0x101
50 #define OBD_FAIL_MDS_GETATTR_NET 0x102
51 #define OBD_FAIL_MDS_GETATTR_PACK 0x103
52 #define OBD_FAIL_MDS_READPAGE_NET 0x104
53 #define OBD_FAIL_MDS_READPAGE_PACK 0x105
54 #define OBD_FAIL_MDS_SENDPAGE 0x106
55 #define OBD_FAIL_MDS_REINT_NET 0x107
56 #define OBD_FAIL_MDS_REINT_UNPACK 0x108
57 #define OBD_FAIL_MDS_REINT_SETATTR 0x109
58 #define OBD_FAIL_MDS_REINT_SETATTR_WRITE 0x10a
59 #define OBD_FAIL_MDS_REINT_CREATE 0x10b
60 #define OBD_FAIL_MDS_REINT_CREATE_WRITE 0x10c
61 #define OBD_FAIL_MDS_REINT_UNLINK 0x10d
62 #define OBD_FAIL_MDS_REINT_UNLINK_WRITE 0x10e
63 #define OBD_FAIL_MDS_REINT_LINK 0x10f
64 #define OBD_FAIL_MDS_REINT_LINK_WRITE 0x110
65 #define OBD_FAIL_MDS_REINT_RENAME 0x111
66 #define OBD_FAIL_MDS_REINT_RENAME_WRITE 0x112
67 #define OBD_FAIL_MDS_OPEN_NET 0x113
68 #define OBD_FAIL_MDS_OPEN_PACK 0x114
69 #define OBD_FAIL_MDS_CLOSE_NET 0x115
70 #define OBD_FAIL_MDS_CLOSE_PACK 0x116
71 #define OBD_FAIL_MDS_CONNECT_NET 0x117
72 #define OBD_FAIL_MDS_CONNECT_PACK 0x118
73 #define OBD_FAIL_MDS_REINT_NET_REP 0x119
74 #define OBD_FAIL_MDS_DISCONNECT_NET 0x11a
75 #define OBD_FAIL_MDS_GETSTATUS_NET 0x11b
76 #define OBD_FAIL_MDS_GETSTATUS_PACK 0x11c
77 #define OBD_FAIL_MDS_STATFS_PACK 0x11d
78 #define OBD_FAIL_MDS_STATFS_NET 0x11e
79 #define OBD_FAIL_MDS_GETATTR_NAME_NET 0x11f
80 #define OBD_FAIL_MDS_PIN_NET 0x120
81 #define OBD_FAIL_MDS_UNPIN_NET 0x121
82 #define OBD_FAIL_MDS_ALL_REPLY_NET 0x122
83 #define OBD_FAIL_MDS_ALL_REQUEST_NET 0x123
84 #define OBD_FAIL_MDS_SYNC_NET 0x124
85 #define OBD_FAIL_MDS_SYNC_PACK 0x125
86 #define OBD_FAIL_MDS_DONE_WRITING_NET 0x126
87 #define OBD_FAIL_MDS_DONE_WRITING_PACK 0x127
88 #define OBD_FAIL_MDS_ALLOC_OBDO 0x128
89 #define OBD_FAIL_MDS_PAUSE_OPEN 0x129
90 #define OBD_FAIL_MDS_STATFS_LCW_SLEEP 0x12a
91 #define OBD_FAIL_MDS_OPEN_CREATE 0x12b
92 #define OBD_FAIL_MDS_OST_SETATTR 0x12c
93 #define OBD_FAIL_MDS_QUOTACHECK_NET 0x12d
94 #define OBD_FAIL_MDS_QUOTACTL_NET 0x12e
95 #define OBD_FAIL_MDS_CLIENT_ADD 0x12f
96 #define OBD_FAIL_MDS_GETXATTR_NET 0x130
97 #define OBD_FAIL_MDS_GETXATTR_PACK 0x131
98 #define OBD_FAIL_MDS_SETXATTR_NET 0x132
99 #define OBD_FAIL_MDS_SETXATTR 0x133
100 #define OBD_FAIL_MDS_SETXATTR_WRITE 0x134
101 #define OBD_FAIL_MDS_FS_SETUP 0x135
102 #define OBD_FAIL_MDS_RESEND 0x136
104 #define OBD_FAIL_OST 0x200
105 #define OBD_FAIL_OST_CONNECT_NET 0x201
106 #define OBD_FAIL_OST_DISCONNECT_NET 0x202
107 #define OBD_FAIL_OST_GET_INFO_NET 0x203
108 #define OBD_FAIL_OST_CREATE_NET 0x204
109 #define OBD_FAIL_OST_DESTROY_NET 0x205
110 #define OBD_FAIL_OST_GETATTR_NET 0x206
111 #define OBD_FAIL_OST_SETATTR_NET 0x207
112 #define OBD_FAIL_OST_OPEN_NET 0x208
113 #define OBD_FAIL_OST_CLOSE_NET 0x209
114 #define OBD_FAIL_OST_BRW_NET 0x20a
115 #define OBD_FAIL_OST_PUNCH_NET 0x20b
116 #define OBD_FAIL_OST_STATFS_NET 0x20c
117 #define OBD_FAIL_OST_HANDLE_UNPACK 0x20d
118 #define OBD_FAIL_OST_BRW_WRITE_BULK 0x20e
119 #define OBD_FAIL_OST_BRW_READ_BULK 0x20f
120 #define OBD_FAIL_OST_SYNC_NET 0x210
121 #define OBD_FAIL_OST_ALL_REPLY_NET 0x211
122 #define OBD_FAIL_OST_ALL_REQUESTS_NET 0x212
123 #define OBD_FAIL_OST_LDLM_REPLY_NET 0x213
124 #define OBD_FAIL_OST_BRW_PAUSE_BULK 0x214
125 #define OBD_FAIL_OST_ENOSPC 0x215
126 #define OBD_FAIL_OST_EROFS 0x216
127 #define OBD_FAIL_OST_ENOENT 0x217
128 #define OBD_FAIL_OST_QUOTACHECK_NET 0x218
129 #define OBD_FAIL_OST_QUOTACTL_NET 0x219
130 #define OBD_FAIL_OST_CHECKSUM_RECEIVE 0x21a
131 #define OBD_FAIL_OST_CHECKSUM_SEND 0x21b
132 #define OBD_FAIL_OST_BRW_SIZE 0x21c
133 #define OBD_FAIL_OST_DROP_REQ 0x21d
134 #define OBD_FAIL_OST_SETATTR_CREDITS 0x21e
136 #define OBD_FAIL_LDLM 0x300
137 #define OBD_FAIL_LDLM_NAMESPACE_NEW 0x301
138 #define OBD_FAIL_LDLM_ENQUEUE 0x302
139 #define OBD_FAIL_LDLM_CONVERT 0x303
140 #define OBD_FAIL_LDLM_CANCEL 0x304
141 #define OBD_FAIL_LDLM_BL_CALLBACK 0x305
142 #define OBD_FAIL_LDLM_CP_CALLBACK 0x306
143 #define OBD_FAIL_LDLM_GL_CALLBACK 0x307
144 #define OBD_FAIL_LDLM_ENQUEUE_EXTENT_ERR 0x308
145 #define OBD_FAIL_LDLM_ENQUEUE_INTENT_ERR 0x309
146 #define OBD_FAIL_LDLM_CREATE_RESOURCE 0x30a
147 #define OBD_FAIL_LDLM_ENQUEUE_BLOCKED 0x30b
148 #define OBD_FAIL_LDLM_REPLY 0x30c
149 #define OBD_FAIL_LDLM_RECOV_CLIENTS 0x30d
150 #define OBD_FAIL_LDLM_ENQUEUE_OLD_EXPORT 0x30e
151 #define OBD_FAIL_LDLM_GLIMPSE 0x30f
153 #define OBD_FAIL_OSC 0x400
154 #define OBD_FAIL_OSC_BRW_READ_BULK 0x401
155 #define OBD_FAIL_OSC_BRW_WRITE_BULK 0x402
156 #define OBD_FAIL_OSC_LOCK_BL_AST 0x403
157 #define OBD_FAIL_OSC_LOCK_CP_AST 0x404
158 #define OBD_FAIL_OSC_MATCH 0x405
159 #define OBD_FAIL_OSC_BRW_PREP_REQ 0x406
160 #define OBD_FAIL_OSC_SHUTDOWN 0x407
161 #define OBD_FAIL_OSC_CHECKSUM_RECEIVE 0x408
162 #define OBD_FAIL_OSC_CHECKSUM_SEND 0x409
164 #define OBD_FAIL_PTLRPC 0x500
165 #define OBD_FAIL_PTLRPC_ACK 0x501
166 #define OBD_FAIL_PTLRPC_RQBD 0x502
167 #define OBD_FAIL_PTLRPC_BULK_GET_NET 0x503
168 #define OBD_FAIL_PTLRPC_BULK_PUT_NET 0x504
169 #define OBD_FAIL_PTLRPC_DROP_RPC 0x505
170 #define OBD_FAIL_PTLRPC_DELAY_SEND 0x506
172 #define OBD_FAIL_OBD_PING_NET 0x600
173 #define OBD_FAIL_OBD_LOG_CANCEL_NET 0x601
174 #define OBD_FAIL_OBD_LOGD_NET 0x602
175 #define OBD_FAIL_OBD_QC_CALLBACK_NET 0x603
176 #define OBD_FAIL_OBD_DQACQ 0x604
178 #define OBD_FAIL_TGT_REPLY_NET 0x700
179 #define OBD_FAIL_TGT_CONN_RACE 0x701
180 #define OBD_FAIL_TGT_FORCE_RECONNECT 0x702
181 #define OBD_FAIL_TGT_DELAY_CONNECT 0x703
182 #define OBD_FAIL_TGT_DELAY_RECONNECT 0x704
183 #define OBD_FAIL_TGT_DELAY_PRECREATE 0x705
185 #define OBD_FAIL_MDC_REVALIDATE_PAUSE 0x800
187 #define OBD_FAIL_MGS 0x900
188 #define OBD_FAIL_MGS_ALL_REQUEST_NET 0x901
189 #define OBD_FAIL_MGS_ALL_REPLY_NET 0x902
190 #define OBD_FAIL_MGC_PROCESS_LOG 0x903
191 #define OBD_FAIL_MGS_SLOW_REQUEST_NET 0x904
192 #define OBD_FAIL_MGS_SLOW_TARGET_REG 0x905
194 #define OBD_FAIL_QUOTA_QD_COUNT_32BIT 0xA00
196 #define OBD_FAIL_LPROC_REMOVE 0xB00
198 /* preparation for a more advanced failure testbed (not functional yet) */
199 #define OBD_FAIL_MASK_SYS 0x0000FF00
200 #define OBD_FAIL_MASK_LOC (0x000000FF | OBD_FAIL_MASK_SYS)
201 #define OBD_FAIL_ONCE 0x80000000
202 #define OBD_FAILED 0x40000000
204 #define OBD_FAIL_CHECK(id) (((obd_fail_loc & OBD_FAIL_MASK_LOC) == \
205 ((id) & OBD_FAIL_MASK_LOC)) && \
206 ((obd_fail_loc & (OBD_FAILED | OBD_FAIL_ONCE))!= \
207 (OBD_FAILED | OBD_FAIL_ONCE)))
209 #define OBD_FAIL_CHECK_ONCE(id) \
211 if (OBD_FAIL_CHECK(id)) { \
212 CERROR("*** obd_fail_loc=%x ***\n", id); \
213 obd_fail_loc |= OBD_FAILED; \
214 if ((id) & OBD_FAIL_ONCE) \
215 obd_fail_loc |= OBD_FAIL_ONCE; \
221 #define OBD_FAIL_RETURN(id, ret) \
223 if (OBD_FAIL_CHECK_ONCE(id)) { \
228 #define OBD_FAIL_TIMEOUT(id, secs) \
230 if (OBD_FAIL_CHECK_ONCE(id)) { \
231 CERROR("obd_fail_timeout id %x sleeping for %d secs\n", \
233 set_current_state(TASK_UNINTERRUPTIBLE); \
234 cfs_schedule_timeout(CFS_TASK_UNINT, \
235 cfs_time_seconds(secs)); \
236 set_current_state(TASK_RUNNING); \
237 CERROR("obd_fail_timeout id %x awake\n", (id)); \
242 /* The idea here is to synchronise two threads to force a race. The
243 * first thread that calls this with a matching fail_loc is put to
244 * sleep. The next thread that calls with the same fail_loc wakes up
245 * the first and continues. */
246 #define OBD_RACE(id) \
248 if (OBD_FAIL_CHECK_ONCE(id)) { \
249 obd_race_state = 0; \
250 CERROR("obd_race id %x sleeping\n", (id)); \
251 OBD_SLEEP_ON(obd_race_waitq, obd_race_state != 0); \
252 CERROR("obd_fail_race id %x awake\n", (id)); \
253 } else if ((obd_fail_loc & OBD_FAIL_MASK_LOC) == \
254 ((id) & OBD_FAIL_MASK_LOC)) { \
255 CERROR("obd_fail_race id %x waking\n", (id)); \
256 obd_race_state = 1; \
257 wake_up(&obd_race_waitq); \
261 /* sigh. an expedient fix until OBD_RACE is fixed up */
262 #define OBD_RACE(foo) do {} while(0)
265 #define fixme() CDEBUG(D_OTHER, "FIXME\n");
267 extern atomic_t libcfs_kmemory;
269 #if defined(LUSTRE_UTILS) /* this version is for utils only */
270 #define OBD_ALLOC_GFP(ptr, size, gfp_mask) \
272 (ptr) = cfs_alloc(size, (gfp_mask)); \
273 if ((ptr) == NULL) { \
274 CERROR("kmalloc of '" #ptr "' (%d bytes) failed at %s:%d\n", \
275 (int)(size), __FILE__, __LINE__); \
277 memset(ptr, 0, size); \
278 CDEBUG(D_MALLOC, "kmalloced '" #ptr "': %d at %p\n", \
282 #else /* this version is for the kernel and liblustre */
283 #define OBD_ALLOC_GFP(ptr, size, gfp_mask) \
285 (ptr) = cfs_alloc(size, (gfp_mask)); \
286 if ((ptr) == NULL) { \
287 CERROR("kmalloc of '" #ptr "' (%d bytes) failed at %s:%d\n", \
288 (int)(size), __FILE__, __LINE__); \
289 CERROR("%d total bytes allocated by Lustre, %d by Portals\n", \
290 atomic_read(&obd_memory), atomic_read(&libcfs_kmemory));\
292 memset(ptr, 0, size); \
293 atomic_add(size, &obd_memory); \
294 if (atomic_read(&obd_memory) > obd_memmax) \
295 obd_memmax = atomic_read(&obd_memory); \
296 CDEBUG(D_MALLOC, "kmalloced '" #ptr "': %d at %p (tot %d)\n", \
297 (int)(size), ptr, atomic_read(&obd_memory)); \
302 #ifndef OBD_ALLOC_MASK
303 # define OBD_ALLOC_MASK CFS_ALLOC_IO
306 #define OBD_ALLOC(ptr, size) OBD_ALLOC_GFP(ptr, size, OBD_ALLOC_MASK)
307 #define OBD_ALLOC_WAIT(ptr, size) OBD_ALLOC_GFP(ptr, size, CFS_ALLOC_STD)
308 #define OBD_ALLOC_PTR(ptr) OBD_ALLOC(ptr, sizeof *(ptr))
309 #define OBD_ALLOC_PTR_WAIT(ptr) OBD_ALLOC_WAIT(ptr, sizeof *(ptr))
312 # define OBD_VMALLOC(ptr, size) OBD_ALLOC(ptr, size)
314 # define OBD_VMALLOC(ptr, size) \
316 (ptr) = cfs_alloc_large(size); \
317 if ((ptr) == NULL) { \
318 CERROR("vmalloc of '" #ptr "' (%d bytes) failed at %s:%d\n", \
319 (int)(size), __FILE__, __LINE__); \
320 CERROR("%d total bytes allocated by Lustre, %d by Portals\n", \
321 atomic_read(&obd_memory), atomic_read(&libcfs_kmemory));\
323 memset(ptr, 0, size); \
324 atomic_add(size, &obd_memory); \
325 if (atomic_read(&obd_memory) > obd_memmax) \
326 obd_memmax = atomic_read(&obd_memory); \
327 CDEBUG(D_MALLOC, "vmalloced '" #ptr "': %d at %p (tot %d)\n", \
328 (int)(size), ptr, atomic_read(&obd_memory)); \
333 #ifdef CONFIG_DEBUG_SLAB
334 #define POISON(ptr, c, s) do {} while (0)
336 #define POISON(ptr, c, s) memset(ptr, c, s)
340 #define POISON_PAGE(page, val) do { memset(kmap(page), val, CFS_PAGE_SIZE); \
341 kunmap(page); } while (0)
343 #define POISON_PAGE(page, val) do { } while (0)
347 #define OBD_FREE(ptr, size) \
350 atomic_sub(size, &obd_memory); \
351 CDEBUG(D_MALLOC, "kfreed '" #ptr "': %d at %p (tot %d).\n", \
352 (int)(size), ptr, atomic_read(&obd_memory)); \
353 POISON(ptr, 0x5a, size); \
355 (ptr) = (void *)0xdeadbeef; \
358 #define OBD_FREE(ptr, size) ((void)(size), free((ptr)))
362 # define OBD_VFREE(ptr, size) OBD_FREE(ptr, size)
364 # define OBD_VFREE(ptr, size) \
367 atomic_sub(size, &obd_memory); \
368 CDEBUG(D_MALLOC, "vfreed '" #ptr "': %d at %p (tot %d).\n", \
369 (int)(size), ptr, atomic_read(&obd_memory)); \
370 POISON(ptr, 0x5a, size); \
371 cfs_free_large(ptr); \
372 (ptr) = (void *)0xdeadbeef; \
376 /* we memset() the slab object to 0 when allocation succeeds, so DO NOT
377 * HAVE A CTOR THAT DOES ANYTHING. its work will be cleared here. we'd
378 * love to assert on that, but slab.c keeps kmem_cache_s all to itself. */
379 #define OBD_SLAB_ALLOC(ptr, slab, type, size) \
381 LASSERT(!in_interrupt()); \
382 (ptr) = cfs_mem_cache_alloc(slab, (type)); \
383 if ((ptr) == NULL) { \
384 CERROR("slab-alloc of '"#ptr"' (%d bytes) failed at %s:%d\n", \
385 (int)(size), __FILE__, __LINE__); \
386 CERROR("%d total bytes allocated by Lustre, %d by Portals\n", \
387 atomic_read(&obd_memory), atomic_read(&libcfs_kmemory));\
389 memset(ptr, 0, size); \
390 atomic_add(size, &obd_memory); \
391 if (atomic_read(&obd_memory) > obd_memmax) \
392 obd_memmax = atomic_read(&obd_memory); \
393 CDEBUG(D_MALLOC, "slab-alloced '"#ptr"': %d at %p (tot %d)\n",\
394 (int)(size), ptr, atomic_read(&obd_memory)); \
398 #define OBD_FREE_PTR(ptr) OBD_FREE(ptr, sizeof *(ptr))
400 #define OBD_SLAB_FREE(ptr, slab, size) \
403 CDEBUG(D_MALLOC, "slab-freed '" #ptr "': %d at %p (tot %d).\n", \
404 (int)(size), ptr, atomic_read(&obd_memory)); \
405 atomic_sub(size, &obd_memory); \
406 POISON(ptr, 0x5a, size); \
407 cfs_mem_cache_free(slab, ptr); \
408 (ptr) = (void *)0xdeadbeef; \
411 #define KEY_IS(str) (keylen >= strlen(key) && strcmp(key, str) == 0)
413 #if defined(__linux__)
414 #include <linux/obd_support.h>
415 #elif defined(__APPLE__)
416 #include <darwin/obd_support.h>
417 #elif defined(__WINNT__)
418 #include <winnt/obd_support.h>
420 #error Unsupported operating system.