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.
27 #include <linux/config.h>
28 #include <linux/autoconf.h>
29 #include <linux/slab.h>
30 #include <linux/highmem.h>
34 #include <linux/kp30.h>
36 /* global variables */
37 extern atomic_t obd_memory;
38 extern int obd_memmax;
39 extern unsigned long obd_fail_loc;
40 extern unsigned long obd_timeout;
41 extern unsigned long obd_max_dirty_pages;
42 extern char obd_lustre_upcall[128];
43 extern unsigned long obd_sync_filter;
45 #define OBD_FAIL_MDS 0x100
46 #define OBD_FAIL_MDS_HANDLE_UNPACK 0x101
47 #define OBD_FAIL_MDS_GETATTR_NET 0x102
48 #define OBD_FAIL_MDS_GETATTR_PACK 0x103
49 #define OBD_FAIL_MDS_READPAGE_NET 0x104
50 #define OBD_FAIL_MDS_READPAGE_PACK 0x105
51 #define OBD_FAIL_MDS_SENDPAGE 0x106
52 #define OBD_FAIL_MDS_REINT_NET 0x107
53 #define OBD_FAIL_MDS_REINT_UNPACK 0x108
54 #define OBD_FAIL_MDS_REINT_SETATTR 0x109
55 #define OBD_FAIL_MDS_REINT_SETATTR_WRITE 0x10a
56 #define OBD_FAIL_MDS_REINT_CREATE 0x10b
57 #define OBD_FAIL_MDS_REINT_CREATE_WRITE 0x10c
58 #define OBD_FAIL_MDS_REINT_UNLINK 0x10d
59 #define OBD_FAIL_MDS_REINT_UNLINK_WRITE 0x10e
60 #define OBD_FAIL_MDS_REINT_LINK 0x10f
61 #define OBD_FAIL_MDS_REINT_LINK_WRITE 0x110
62 #define OBD_FAIL_MDS_REINT_RENAME 0x111
63 #define OBD_FAIL_MDS_REINT_RENAME_WRITE 0x112
64 #define OBD_FAIL_MDS_OPEN_NET 0x113
65 #define OBD_FAIL_MDS_OPEN_PACK 0x114
66 #define OBD_FAIL_MDS_CLOSE_NET 0x115
67 #define OBD_FAIL_MDS_CLOSE_PACK 0x116
68 #define OBD_FAIL_MDS_CONNECT_NET 0x117
69 #define OBD_FAIL_MDS_CONNECT_PACK 0x118
70 #define OBD_FAIL_MDS_REINT_NET_REP 0x119
71 #define OBD_FAIL_MDS_DISCONNECT_NET 0x11a
72 #define OBD_FAIL_MDS_GETSTATUS_NET 0x11b
73 #define OBD_FAIL_MDS_GETSTATUS_PACK 0x11c
74 #define OBD_FAIL_MDS_STATFS_PACK 0x11d
75 #define OBD_FAIL_MDS_STATFS_NET 0x11e
76 #define OBD_FAIL_MDS_GETATTR_NAME_NET 0x11f
77 #define OBD_FAIL_MDS_ALL_REPLY_NET 0x120
78 #define OBD_FAIL_MDS_ALL_REQUEST_NET 0x121
80 #define OBD_FAIL_OST 0x200
81 #define OBD_FAIL_OST_CONNECT_NET 0x201
82 #define OBD_FAIL_OST_DISCONNECT_NET 0x202
83 #define OBD_FAIL_OST_GET_INFO_NET 0x203
84 #define OBD_FAIL_OST_CREATE_NET 0x204
85 #define OBD_FAIL_OST_DESTROY_NET 0x205
86 #define OBD_FAIL_OST_GETATTR_NET 0x206
87 #define OBD_FAIL_OST_SETATTR_NET 0x207
88 #define OBD_FAIL_OST_OPEN_NET 0x208
89 #define OBD_FAIL_OST_CLOSE_NET 0x209
90 #define OBD_FAIL_OST_BRW_NET 0x20a
91 #define OBD_FAIL_OST_PUNCH_NET 0x20b
92 #define OBD_FAIL_OST_STATFS_NET 0x20c
93 #define OBD_FAIL_OST_HANDLE_UNPACK 0x20d
94 #define OBD_FAIL_OST_BRW_WRITE_BULK 0x20e
95 #define OBD_FAIL_OST_BRW_READ_BULK 0x20f
96 #define OBD_FAIL_OST_SYNCFS_NET 0x210
97 #define OBD_FAIL_OST_ALL_REPLY_NET 0x211
98 #define OBD_FAIL_OST_ALL_REQUESTS_NET 0x212
99 #define OBD_FAIL_OST_LDLM_REPLY_NET 0x213
100 #define OBD_FAIL_OST_BRW_PAUSE_BULK 0x214
102 #define OBD_FAIL_LDLM 0x300
103 #define OBD_FAIL_LDLM_NAMESPACE_NEW 0x301
104 #define OBD_FAIL_LDLM_ENQUEUE 0x302
105 #define OBD_FAIL_LDLM_CONVERT 0x303
106 #define OBD_FAIL_LDLM_CANCEL 0x304
107 #define OBD_FAIL_LDLM_BL_CALLBACK 0x305
108 #define OBD_FAIL_LDLM_CP_CALLBACK 0x306
110 #define OBD_FAIL_OSC 0x400
111 #define OBD_FAIL_OSC_BRW_READ_BULK 0x401
112 #define OBD_FAIL_OSC_BRW_WRITE_BULK 0x402
113 #define OBD_FAIL_OSC_LOCK_BL_AST 0x403
114 #define OBD_FAIL_OSC_LOCK_CP_AST 0x404
116 #define OBD_FAIL_PTLRPC 0x500
117 #define OBD_FAIL_PTLRPC_ACK 0x501
119 /* preparation for a more advanced failure testbed (not functional yet) */
120 #define OBD_FAIL_MASK_SYS 0x0000FF00
121 #define OBD_FAIL_MASK_LOC (0x000000FF | OBD_FAIL_MASK_SYS)
122 #define OBD_FAIL_ONCE 0x80000000
123 #define OBD_FAILED 0x40000000
124 #define OBD_FAIL_MDS_ALL_NET 0x01000000
125 #define OBD_FAIL_OST_ALL_NET 0x02000000
127 #define OBD_FAIL_CHECK(id) (((obd_fail_loc & OBD_FAIL_MASK_LOC) == \
128 ((id) & OBD_FAIL_MASK_LOC)) && \
129 ((obd_fail_loc & (OBD_FAILED | OBD_FAIL_ONCE))!= \
130 (OBD_FAILED | OBD_FAIL_ONCE)))
132 #define OBD_FAIL_CHECK_ONCE(id) \
134 if (OBD_FAIL_CHECK(id)) { \
135 CERROR("obd_fail_loc=%x\n", id); \
136 obd_fail_loc |= OBD_FAILED; \
137 if ((id) & OBD_FAIL_ONCE) \
138 obd_fail_loc |= OBD_FAIL_ONCE; \
144 #define OBD_FAIL_RETURN(id, ret) \
146 if (OBD_FAIL_CHECK_ONCE(id)) { \
151 #define OBD_FAIL_TIMEOUT(id, secs) \
153 if (OBD_FAIL_CHECK_ONCE(id)) { \
154 CERROR("obd_fail_timeout id %x sleeping for %ld secs\n", \
156 set_current_state(TASK_UNINTERRUPTIBLE); \
157 schedule_timeout((secs) * HZ); \
158 set_current_state(TASK_RUNNING); \
159 CERROR("obd_fail_timeout id %x awake\n", \
164 #define fixme() CDEBUG(D_OTHER, "FIXME\n");
167 #include <linux/types.h>
168 #include <linux/blkdev.h>
171 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0))
172 #define ll_bdevname(a) __bdevname((a))
173 #define ll_lock_kernel lock_kernel()
174 #define LTIME_S(time) (time.tv_sec)
176 #define ll_lock_kernel
177 #define ll_bdevname(a) bdevname((a))
178 #define LTIME_S(time) (time)
182 static inline void OBD_FAIL_WRITE(int id, kdev_t dev)
184 if (OBD_FAIL_CHECK(id)) {
185 #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
186 #ifdef CONFIG_DEV_RDONLY
187 CERROR("obd_fail_loc=%x, fail write operation on %s\n",
188 id, ll_bdevname(dev));
189 dev_set_rdonly(dev, 2);
191 CERROR("obd_fail_loc=%x, can't fail write operation on %s\n",
192 id, ll_bdevname(dev));
195 #ifdef CONFIG_DEV_RDONLY
196 CERROR("obd_fail_loc=%x, fail write operation on %s\n",
197 id, ll_bdevname(dev.value));
198 dev_set_rdonly(dev, 2);
200 CERROR("obd_fail_loc=%x, can't fail write operation on %s\n",
201 id, ll_bdevname(dev.value));
204 /* We set FAIL_ONCE because we never "un-fail" a device */
205 obd_fail_loc |= OBD_FAILED | OBD_FAIL_ONCE;
208 #else /* !__KERNEL__ */
209 #define LTIME_S(time) (time)
210 #endif /* __KERNEL__ */
212 #define OBD_ALLOC(ptr, size) \
214 (ptr) = kmalloc(size, GFP_KERNEL); \
215 if ((ptr) == NULL) { \
216 CERROR("kmalloc of '" #ptr "' (%d bytes) failed at %s:%d\n", \
217 (int)(size), __FILE__, __LINE__); \
219 memset(ptr, 0, size); \
220 atomic_add(size, &obd_memory); \
221 if (atomic_read(&obd_memory) > obd_memmax) \
222 obd_memmax = atomic_read(&obd_memory); \
223 CDEBUG(D_MALLOC, "kmalloced '" #ptr "': %d at %p (tot %d)\n", \
224 (int)(size), ptr, atomic_read(&obd_memory)); \
229 # define OBD_VMALLOC(ptr, size) OBD_ALLOC(ptr, size)
231 # define OBD_VMALLOC(ptr, size) \
233 (ptr) = vmalloc(size); \
234 if ((ptr) == NULL) { \
235 CERROR("vmalloc of '" #ptr "' (%d bytes) failed at %s:%d\n", \
236 (int)(size), __FILE__, __LINE__); \
238 memset(ptr, 0, size); \
239 atomic_add(size, &obd_memory); \
240 if (atomic_read(&obd_memory) > obd_memmax) \
241 obd_memmax = atomic_read(&obd_memory); \
242 CDEBUG(D_MALLOC, "vmalloced '" #ptr "': %d at %p (tot %d)\n", \
243 (int)(size), ptr, atomic_read(&obd_memory)); \
248 #ifdef CONFIG_DEBUG_SLAB
249 #define POISON(lptr, c, s) do {} while (0)
251 #define POISON(lptr, c, s) memset(lptr, c, s)
254 #define OBD_FREE(ptr, size) \
257 atomic_sub(size, &obd_memory); \
258 CDEBUG(D_MALLOC, "kfreed '" #ptr "': %d at %p (tot %d).\n", \
259 (int)(size), ptr, atomic_read(&obd_memory)); \
260 POISON(ptr, 0x5a, size); \
262 (ptr) = (void *)0xdeadbeef; \
266 # define OBD_VFREE(ptr, size) OBD_FREE(ptr, size)
268 # define OBD_VFREE(ptr, size) \
271 atomic_sub(size, &obd_memory); \
272 CDEBUG(D_MALLOC, "vfreed '" #ptr "': %d at %p (tot %d).\n", \
273 (int)(size), ptr, atomic_read(&obd_memory)); \
274 POISON(ptr, 0x5a, size); \
276 (ptr) = (void *)0xdeadbeef; \
280 #define OBD_SLAB_ALLOC(ptr, slab, type, size) \
282 LASSERT (!in_interrupt()); \
283 (ptr) = kmem_cache_alloc(slab, type); \
284 if ((ptr) == NULL) { \
285 CERROR("slab-alloc of '"#ptr"' (%d bytes) failed at %s:%d\n", \
286 (int)(size), __FILE__, __LINE__); \
288 memset(ptr, 0, size); \
289 atomic_add(size, &obd_memory); \
290 if (atomic_read(&obd_memory) > obd_memmax) \
291 obd_memmax = atomic_read(&obd_memory); \
292 CDEBUG(D_MALLOC, "slab-alloced '"#ptr"': %d at %p (tot %d)\n",\
293 (int)(size), ptr, atomic_read(&obd_memory)); \
297 #define OBD_SLAB_FREE(ptr, slab, size) \
300 CDEBUG(D_MALLOC, "slab-freed '" #ptr "': %d at %p (tot %d).\n", \
301 (int)(size), ptr, atomic_read(&obd_memory)); \
302 atomic_sub(size, &obd_memory); \
303 POISON(ptr, 0x5a, size); \
304 kmem_cache_free(slab, ptr); \
305 (ptr) = (void *)0xdeadbeef; \