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d7e09d03 PT |
1 | /* |
2 | * GPL HEADER START | |
3 | * | |
4 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License version 2 only, | |
8 | * as published by the Free Software Foundation. | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, but | |
11 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | * General Public License version 2 for more details (a copy is included | |
14 | * in the LICENSE file that accompanied this code). | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * version 2 along with this program; If not, see | |
18 | * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf | |
19 | * | |
20 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
21 | * CA 95054 USA or visit www.sun.com if you need additional information or | |
22 | * have any questions. | |
23 | * | |
24 | * GPL HEADER END | |
25 | */ | |
26 | /* | |
27 | * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved. | |
28 | * Use is subject to license terms. | |
29 | * | |
30 | * Copyright (c) 2011, 2012, Intel Corporation. | |
31 | */ | |
32 | /* | |
33 | * This file is part of Lustre, http://www.lustre.org/ | |
34 | * Lustre is a trademark of Sun Microsystems, Inc. | |
35 | */ | |
36 | ||
37 | #ifndef _OBD_SUPPORT | |
38 | #define _OBD_SUPPORT | |
39 | ||
9fdaf8c0 | 40 | #include "../../include/linux/libcfs/libcfs.h" |
1accaadf GKH |
41 | #include "lvfs.h" |
42 | #include "lprocfs_status.h" | |
43 | #include "linux/obd_support.h" | |
d7e09d03 PT |
44 | |
45 | /* global variables */ | |
46 | extern struct lprocfs_stats *obd_memory; | |
47 | enum { | |
48 | OBD_MEMORY_STAT = 0, | |
49 | OBD_MEMORY_PAGES_STAT = 1, | |
50 | OBD_STATS_NUM, | |
51 | }; | |
52 | ||
53 | extern unsigned int obd_debug_peer_on_timeout; | |
54 | extern unsigned int obd_dump_on_timeout; | |
55 | extern unsigned int obd_dump_on_eviction; | |
56 | /* obd_timeout should only be used for recovery, not for | |
57 | networking / disk / timings affected by load (use Adaptive Timeouts) */ | |
58 | extern unsigned int obd_timeout; /* seconds */ | |
59 | extern unsigned int ldlm_timeout; /* seconds */ | |
60 | extern unsigned int obd_timeout_set; | |
61 | extern unsigned int ldlm_timeout_set; | |
62 | extern unsigned int at_min; | |
63 | extern unsigned int at_max; | |
64 | extern unsigned int at_history; | |
65 | extern int at_early_margin; | |
66 | extern int at_extra; | |
67 | extern unsigned int obd_sync_filter; | |
68 | extern unsigned int obd_max_dirty_pages; | |
d7e09d03 PT |
69 | extern atomic_t obd_dirty_pages; |
70 | extern atomic_t obd_dirty_transit_pages; | |
71 | extern unsigned int obd_alloc_fail_rate; | |
72 | extern char obd_jobid_var[]; | |
73 | ||
74 | /* lvfs.c */ | |
75 | int obd_alloc_fail(const void *ptr, const char *name, const char *type, | |
76 | size_t size, const char *file, int line); | |
77 | ||
78 | /* Some hash init argument constants */ | |
79 | #define HASH_POOLS_BKT_BITS 3 | |
80 | #define HASH_POOLS_CUR_BITS 3 | |
81 | #define HASH_POOLS_MAX_BITS 7 | |
82 | #define HASH_UUID_BKT_BITS 5 | |
83 | #define HASH_UUID_CUR_BITS 7 | |
84 | #define HASH_UUID_MAX_BITS 12 | |
85 | #define HASH_NID_BKT_BITS 5 | |
86 | #define HASH_NID_CUR_BITS 7 | |
87 | #define HASH_NID_MAX_BITS 12 | |
88 | #define HASH_NID_STATS_BKT_BITS 5 | |
89 | #define HASH_NID_STATS_CUR_BITS 7 | |
90 | #define HASH_NID_STATS_MAX_BITS 12 | |
91 | #define HASH_LQE_BKT_BITS 5 | |
92 | #define HASH_LQE_CUR_BITS 7 | |
93 | #define HASH_LQE_MAX_BITS 12 | |
94 | #define HASH_CONN_BKT_BITS 5 | |
95 | #define HASH_CONN_CUR_BITS 5 | |
96 | #define HASH_CONN_MAX_BITS 15 | |
97 | #define HASH_EXP_LOCK_BKT_BITS 5 | |
98 | #define HASH_EXP_LOCK_CUR_BITS 7 | |
99 | #define HASH_EXP_LOCK_MAX_BITS 16 | |
100 | #define HASH_CL_ENV_BKT_BITS 5 | |
101 | #define HASH_CL_ENV_BITS 10 | |
102 | #define HASH_JOB_STATS_BKT_BITS 5 | |
103 | #define HASH_JOB_STATS_CUR_BITS 7 | |
104 | #define HASH_JOB_STATS_MAX_BITS 12 | |
105 | ||
106 | /* Timeout definitions */ | |
107 | #define OBD_TIMEOUT_DEFAULT 100 | |
108 | #define LDLM_TIMEOUT_DEFAULT 20 | |
109 | #define MDS_LDLM_TIMEOUT_DEFAULT 6 | |
110 | /* Time to wait for all clients to reconnect during recovery (hard limit) */ | |
111 | #define OBD_RECOVERY_TIME_HARD (obd_timeout * 9) | |
112 | /* Time to wait for all clients to reconnect during recovery (soft limit) */ | |
113 | /* Should be very conservative; must catch the first reconnect after reboot */ | |
114 | #define OBD_RECOVERY_TIME_SOFT (obd_timeout * 3) | |
115 | /* Change recovery-small 26b time if you change this */ | |
116 | #define PING_INTERVAL max(obd_timeout / 4, 1U) | |
117 | /* a bit more than maximal journal commit time in seconds */ | |
118 | #define PING_INTERVAL_SHORT min(PING_INTERVAL, 7U) | |
119 | /* Client may skip 1 ping; we must wait at least 2.5. But for multiple | |
120 | * failover targets the client only pings one server at a time, and pings | |
121 | * can be lost on a loaded network. Since eviction has serious consequences, | |
122 | * and there's no urgent need to evict a client just because it's idle, we | |
123 | * should be very conservative here. */ | |
124 | #define PING_EVICT_TIMEOUT (PING_INTERVAL * 6) | |
125 | #define DISK_TIMEOUT 50 /* Beyond this we warn about disk speed */ | |
126 | #define CONNECTION_SWITCH_MIN 5U /* Connection switching rate limiter */ | |
127 | /* Max connect interval for nonresponsive servers; ~50s to avoid building up | |
128 | connect requests in the LND queues, but within obd_timeout so we don't | |
129 | miss the recovery window */ | |
130 | #define CONNECTION_SWITCH_MAX min(50U, max(CONNECTION_SWITCH_MIN,obd_timeout)) | |
131 | #define CONNECTION_SWITCH_INC 5 /* Connection timeout backoff */ | |
132 | /* In general this should be low to have quick detection of a system | |
133 | running on a backup server. (If it's too low, import_select_connection | |
134 | will increase the timeout anyhow.) */ | |
135 | #define INITIAL_CONNECT_TIMEOUT max(CONNECTION_SWITCH_MIN,obd_timeout/20) | |
136 | /* The max delay between connects is SWITCH_MAX + SWITCH_INC + INITIAL */ | |
137 | #define RECONNECT_DELAY_MAX (CONNECTION_SWITCH_MAX + CONNECTION_SWITCH_INC + \ | |
138 | INITIAL_CONNECT_TIMEOUT) | |
139 | /* The min time a target should wait for clients to reconnect in recovery */ | |
140 | #define OBD_RECOVERY_TIME_MIN (2*RECONNECT_DELAY_MAX) | |
141 | #define OBD_IR_FACTOR_MIN 1 | |
142 | #define OBD_IR_FACTOR_MAX 10 | |
143 | #define OBD_IR_FACTOR_DEFAULT (OBD_IR_FACTOR_MAX/2) | |
144 | /* default timeout for the MGS to become IR_FULL */ | |
145 | #define OBD_IR_MGS_TIMEOUT (4*obd_timeout) | |
146 | #define LONG_UNLINK 300 /* Unlink should happen before now */ | |
147 | ||
148 | /** | |
149 | * Time interval of shrink, if the client is "idle" more than this interval, | |
150 | * then the ll_grant thread will return the requested grant space to filter | |
151 | */ | |
152 | #define GRANT_SHRINK_INTERVAL 1200/*20 minutes*/ | |
153 | ||
154 | #define OBD_FAIL_MDS 0x100 | |
155 | #define OBD_FAIL_MDS_HANDLE_UNPACK 0x101 | |
156 | #define OBD_FAIL_MDS_GETATTR_NET 0x102 | |
157 | #define OBD_FAIL_MDS_GETATTR_PACK 0x103 | |
158 | #define OBD_FAIL_MDS_READPAGE_NET 0x104 | |
159 | #define OBD_FAIL_MDS_READPAGE_PACK 0x105 | |
160 | #define OBD_FAIL_MDS_SENDPAGE 0x106 | |
161 | #define OBD_FAIL_MDS_REINT_NET 0x107 | |
162 | #define OBD_FAIL_MDS_REINT_UNPACK 0x108 | |
163 | #define OBD_FAIL_MDS_REINT_SETATTR 0x109 | |
164 | #define OBD_FAIL_MDS_REINT_SETATTR_WRITE 0x10a | |
165 | #define OBD_FAIL_MDS_REINT_CREATE 0x10b | |
166 | #define OBD_FAIL_MDS_REINT_CREATE_WRITE 0x10c | |
167 | #define OBD_FAIL_MDS_REINT_UNLINK 0x10d | |
168 | #define OBD_FAIL_MDS_REINT_UNLINK_WRITE 0x10e | |
169 | #define OBD_FAIL_MDS_REINT_LINK 0x10f | |
170 | #define OBD_FAIL_MDS_REINT_LINK_WRITE 0x110 | |
171 | #define OBD_FAIL_MDS_REINT_RENAME 0x111 | |
172 | #define OBD_FAIL_MDS_REINT_RENAME_WRITE 0x112 | |
173 | #define OBD_FAIL_MDS_OPEN_NET 0x113 | |
174 | #define OBD_FAIL_MDS_OPEN_PACK 0x114 | |
175 | #define OBD_FAIL_MDS_CLOSE_NET 0x115 | |
176 | #define OBD_FAIL_MDS_CLOSE_PACK 0x116 | |
177 | #define OBD_FAIL_MDS_CONNECT_NET 0x117 | |
178 | #define OBD_FAIL_MDS_CONNECT_PACK 0x118 | |
179 | #define OBD_FAIL_MDS_REINT_NET_REP 0x119 | |
180 | #define OBD_FAIL_MDS_DISCONNECT_NET 0x11a | |
181 | #define OBD_FAIL_MDS_GETSTATUS_NET 0x11b | |
182 | #define OBD_FAIL_MDS_GETSTATUS_PACK 0x11c | |
183 | #define OBD_FAIL_MDS_STATFS_PACK 0x11d | |
184 | #define OBD_FAIL_MDS_STATFS_NET 0x11e | |
185 | #define OBD_FAIL_MDS_GETATTR_NAME_NET 0x11f | |
186 | #define OBD_FAIL_MDS_PIN_NET 0x120 | |
187 | #define OBD_FAIL_MDS_UNPIN_NET 0x121 | |
188 | #define OBD_FAIL_MDS_ALL_REPLY_NET 0x122 | |
189 | #define OBD_FAIL_MDS_ALL_REQUEST_NET 0x123 | |
190 | #define OBD_FAIL_MDS_SYNC_NET 0x124 | |
191 | #define OBD_FAIL_MDS_SYNC_PACK 0x125 | |
192 | #define OBD_FAIL_MDS_DONE_WRITING_NET 0x126 | |
193 | #define OBD_FAIL_MDS_DONE_WRITING_PACK 0x127 | |
194 | #define OBD_FAIL_MDS_ALLOC_OBDO 0x128 | |
195 | #define OBD_FAIL_MDS_PAUSE_OPEN 0x129 | |
196 | #define OBD_FAIL_MDS_STATFS_LCW_SLEEP 0x12a | |
197 | #define OBD_FAIL_MDS_OPEN_CREATE 0x12b | |
198 | #define OBD_FAIL_MDS_OST_SETATTR 0x12c | |
199 | #define OBD_FAIL_MDS_QUOTACHECK_NET 0x12d | |
200 | #define OBD_FAIL_MDS_QUOTACTL_NET 0x12e | |
201 | #define OBD_FAIL_MDS_CLIENT_ADD 0x12f | |
202 | #define OBD_FAIL_MDS_GETXATTR_NET 0x130 | |
203 | #define OBD_FAIL_MDS_GETXATTR_PACK 0x131 | |
204 | #define OBD_FAIL_MDS_SETXATTR_NET 0x132 | |
205 | #define OBD_FAIL_MDS_SETXATTR 0x133 | |
206 | #define OBD_FAIL_MDS_SETXATTR_WRITE 0x134 | |
207 | #define OBD_FAIL_MDS_FS_SETUP 0x135 | |
208 | #define OBD_FAIL_MDS_RESEND 0x136 | |
209 | #define OBD_FAIL_MDS_LLOG_CREATE_FAILED 0x137 | |
210 | #define OBD_FAIL_MDS_LOV_SYNC_RACE 0x138 | |
211 | #define OBD_FAIL_MDS_OSC_PRECREATE 0x139 | |
212 | #define OBD_FAIL_MDS_LLOG_SYNC_TIMEOUT 0x13a | |
213 | #define OBD_FAIL_MDS_CLOSE_NET_REP 0x13b | |
214 | #define OBD_FAIL_MDS_BLOCK_QUOTA_REQ 0x13c | |
215 | #define OBD_FAIL_MDS_DROP_QUOTA_REQ 0x13d | |
216 | #define OBD_FAIL_MDS_REMOVE_COMMON_EA 0x13e | |
217 | #define OBD_FAIL_MDS_ALLOW_COMMON_EA_SETTING 0x13f | |
218 | #define OBD_FAIL_MDS_FAIL_LOV_LOG_ADD 0x140 | |
219 | #define OBD_FAIL_MDS_LOV_PREP_CREATE 0x141 | |
220 | #define OBD_FAIL_MDS_REINT_DELAY 0x142 | |
221 | #define OBD_FAIL_MDS_READLINK_EPROTO 0x143 | |
222 | #define OBD_FAIL_MDS_OPEN_WAIT_CREATE 0x144 | |
223 | #define OBD_FAIL_MDS_PDO_LOCK 0x145 | |
224 | #define OBD_FAIL_MDS_PDO_LOCK2 0x146 | |
225 | #define OBD_FAIL_MDS_OSC_CREATE_FAIL 0x147 | |
226 | #define OBD_FAIL_MDS_NEGATIVE_POSITIVE 0x148 | |
227 | #define OBD_FAIL_MDS_HSM_STATE_GET_NET 0x149 | |
228 | #define OBD_FAIL_MDS_HSM_STATE_SET_NET 0x14a | |
229 | #define OBD_FAIL_MDS_HSM_PROGRESS_NET 0x14b | |
230 | #define OBD_FAIL_MDS_HSM_REQUEST_NET 0x14c | |
231 | #define OBD_FAIL_MDS_HSM_CT_REGISTER_NET 0x14d | |
232 | #define OBD_FAIL_MDS_HSM_CT_UNREGISTER_NET 0x14e | |
233 | #define OBD_FAIL_MDS_SWAP_LAYOUTS_NET 0x14f | |
234 | #define OBD_FAIL_MDS_HSM_ACTION_NET 0x150 | |
235 | #define OBD_FAIL_MDS_CHANGELOG_INIT 0x151 | |
236 | ||
237 | /* layout lock */ | |
238 | #define OBD_FAIL_MDS_NO_LL_GETATTR 0x170 | |
239 | #define OBD_FAIL_MDS_NO_LL_OPEN 0x171 | |
240 | #define OBD_FAIL_MDS_LL_BLOCK 0x172 | |
241 | ||
242 | /* CMD */ | |
243 | #define OBD_FAIL_MDS_IS_SUBDIR_NET 0x180 | |
244 | #define OBD_FAIL_MDS_IS_SUBDIR_PACK 0x181 | |
245 | #define OBD_FAIL_MDS_SET_INFO_NET 0x182 | |
246 | #define OBD_FAIL_MDS_WRITEPAGE_NET 0x183 | |
247 | #define OBD_FAIL_MDS_WRITEPAGE_PACK 0x184 | |
248 | #define OBD_FAIL_MDS_RECOVERY_ACCEPTS_GAPS 0x185 | |
249 | #define OBD_FAIL_MDS_GET_INFO_NET 0x186 | |
250 | #define OBD_FAIL_MDS_DQACQ_NET 0x187 | |
251 | ||
252 | /* OI scrub */ | |
253 | #define OBD_FAIL_OSD_SCRUB_DELAY 0x190 | |
254 | #define OBD_FAIL_OSD_SCRUB_CRASH 0x191 | |
255 | #define OBD_FAIL_OSD_SCRUB_FATAL 0x192 | |
256 | #define OBD_FAIL_OSD_FID_MAPPING 0x193 | |
257 | #define OBD_FAIL_OSD_LMA_INCOMPAT 0x194 | |
c0ac76d9 | 258 | #define OBD_FAIL_OSD_COMPAT_INVALID_ENTRY 0x195 |
d7e09d03 PT |
259 | |
260 | #define OBD_FAIL_OST 0x200 | |
261 | #define OBD_FAIL_OST_CONNECT_NET 0x201 | |
262 | #define OBD_FAIL_OST_DISCONNECT_NET 0x202 | |
263 | #define OBD_FAIL_OST_GET_INFO_NET 0x203 | |
264 | #define OBD_FAIL_OST_CREATE_NET 0x204 | |
265 | #define OBD_FAIL_OST_DESTROY_NET 0x205 | |
266 | #define OBD_FAIL_OST_GETATTR_NET 0x206 | |
267 | #define OBD_FAIL_OST_SETATTR_NET 0x207 | |
268 | #define OBD_FAIL_OST_OPEN_NET 0x208 | |
269 | #define OBD_FAIL_OST_CLOSE_NET 0x209 | |
270 | #define OBD_FAIL_OST_BRW_NET 0x20a | |
271 | #define OBD_FAIL_OST_PUNCH_NET 0x20b | |
272 | #define OBD_FAIL_OST_STATFS_NET 0x20c | |
273 | #define OBD_FAIL_OST_HANDLE_UNPACK 0x20d | |
274 | #define OBD_FAIL_OST_BRW_WRITE_BULK 0x20e | |
275 | #define OBD_FAIL_OST_BRW_READ_BULK 0x20f | |
276 | #define OBD_FAIL_OST_SYNC_NET 0x210 | |
277 | #define OBD_FAIL_OST_ALL_REPLY_NET 0x211 | |
278 | #define OBD_FAIL_OST_ALL_REQUEST_NET 0x212 | |
279 | #define OBD_FAIL_OST_LDLM_REPLY_NET 0x213 | |
280 | #define OBD_FAIL_OST_BRW_PAUSE_BULK 0x214 | |
281 | #define OBD_FAIL_OST_ENOSPC 0x215 | |
282 | #define OBD_FAIL_OST_EROFS 0x216 | |
283 | #define OBD_FAIL_OST_ENOENT 0x217 | |
284 | #define OBD_FAIL_OST_QUOTACHECK_NET 0x218 | |
285 | #define OBD_FAIL_OST_QUOTACTL_NET 0x219 | |
286 | #define OBD_FAIL_OST_CHECKSUM_RECEIVE 0x21a | |
287 | #define OBD_FAIL_OST_CHECKSUM_SEND 0x21b | |
288 | #define OBD_FAIL_OST_BRW_SIZE 0x21c | |
289 | #define OBD_FAIL_OST_DROP_REQ 0x21d | |
290 | #define OBD_FAIL_OST_SETATTR_CREDITS 0x21e | |
291 | #define OBD_FAIL_OST_HOLD_WRITE_RPC 0x21f | |
292 | #define OBD_FAIL_OST_BRW_WRITE_BULK2 0x220 | |
293 | #define OBD_FAIL_OST_LLOG_RECOVERY_TIMEOUT 0x221 | |
294 | #define OBD_FAIL_OST_CANCEL_COOKIE_TIMEOUT 0x222 | |
295 | #define OBD_FAIL_OST_PAUSE_CREATE 0x223 | |
296 | #define OBD_FAIL_OST_BRW_PAUSE_PACK 0x224 | |
297 | #define OBD_FAIL_OST_CONNECT_NET2 0x225 | |
298 | #define OBD_FAIL_OST_NOMEM 0x226 | |
299 | #define OBD_FAIL_OST_BRW_PAUSE_BULK2 0x227 | |
300 | #define OBD_FAIL_OST_MAPBLK_ENOSPC 0x228 | |
301 | #define OBD_FAIL_OST_ENOINO 0x229 | |
302 | #define OBD_FAIL_OST_DQACQ_NET 0x230 | |
303 | #define OBD_FAIL_OST_STATFS_EINPROGRESS 0x231 | |
304 | ||
305 | #define OBD_FAIL_LDLM 0x300 | |
306 | #define OBD_FAIL_LDLM_NAMESPACE_NEW 0x301 | |
307 | #define OBD_FAIL_LDLM_ENQUEUE_NET 0x302 | |
308 | #define OBD_FAIL_LDLM_CONVERT_NET 0x303 | |
309 | #define OBD_FAIL_LDLM_CANCEL_NET 0x304 | |
310 | #define OBD_FAIL_LDLM_BL_CALLBACK_NET 0x305 | |
311 | #define OBD_FAIL_LDLM_CP_CALLBACK_NET 0x306 | |
312 | #define OBD_FAIL_LDLM_GL_CALLBACK_NET 0x307 | |
313 | #define OBD_FAIL_LDLM_ENQUEUE_EXTENT_ERR 0x308 | |
314 | #define OBD_FAIL_LDLM_ENQUEUE_INTENT_ERR 0x309 | |
315 | #define OBD_FAIL_LDLM_CREATE_RESOURCE 0x30a | |
316 | #define OBD_FAIL_LDLM_ENQUEUE_BLOCKED 0x30b | |
317 | #define OBD_FAIL_LDLM_REPLY 0x30c | |
318 | #define OBD_FAIL_LDLM_RECOV_CLIENTS 0x30d | |
319 | #define OBD_FAIL_LDLM_ENQUEUE_OLD_EXPORT 0x30e | |
320 | #define OBD_FAIL_LDLM_GLIMPSE 0x30f | |
321 | #define OBD_FAIL_LDLM_CANCEL_RACE 0x310 | |
322 | #define OBD_FAIL_LDLM_CANCEL_EVICT_RACE 0x311 | |
323 | #define OBD_FAIL_LDLM_PAUSE_CANCEL 0x312 | |
324 | #define OBD_FAIL_LDLM_CLOSE_THREAD 0x313 | |
325 | #define OBD_FAIL_LDLM_CANCEL_BL_CB_RACE 0x314 | |
326 | #define OBD_FAIL_LDLM_CP_CB_WAIT 0x315 | |
327 | #define OBD_FAIL_LDLM_OST_FAIL_RACE 0x316 | |
328 | #define OBD_FAIL_LDLM_INTR_CP_AST 0x317 | |
329 | #define OBD_FAIL_LDLM_CP_BL_RACE 0x318 | |
330 | #define OBD_FAIL_LDLM_NEW_LOCK 0x319 | |
331 | #define OBD_FAIL_LDLM_AGL_DELAY 0x31a | |
332 | #define OBD_FAIL_LDLM_AGL_NOLOCK 0x31b | |
333 | #define OBD_FAIL_LDLM_OST_LVB 0x31c | |
334 | ||
335 | /* LOCKLESS IO */ | |
336 | #define OBD_FAIL_LDLM_SET_CONTENTION 0x385 | |
337 | ||
338 | #define OBD_FAIL_OSC 0x400 | |
339 | #define OBD_FAIL_OSC_BRW_READ_BULK 0x401 | |
340 | #define OBD_FAIL_OSC_BRW_WRITE_BULK 0x402 | |
341 | #define OBD_FAIL_OSC_LOCK_BL_AST 0x403 | |
342 | #define OBD_FAIL_OSC_LOCK_CP_AST 0x404 | |
343 | #define OBD_FAIL_OSC_MATCH 0x405 | |
344 | #define OBD_FAIL_OSC_BRW_PREP_REQ 0x406 | |
345 | #define OBD_FAIL_OSC_SHUTDOWN 0x407 | |
346 | #define OBD_FAIL_OSC_CHECKSUM_RECEIVE 0x408 | |
347 | #define OBD_FAIL_OSC_CHECKSUM_SEND 0x409 | |
348 | #define OBD_FAIL_OSC_BRW_PREP_REQ2 0x40a | |
349 | #define OBD_FAIL_OSC_CONNECT_CKSUM 0x40b | |
350 | #define OBD_FAIL_OSC_CKSUM_ADLER_ONLY 0x40c | |
351 | #define OBD_FAIL_OSC_DIO_PAUSE 0x40d | |
352 | #define OBD_FAIL_OSC_OBJECT_CONTENTION 0x40e | |
353 | #define OBD_FAIL_OSC_CP_CANCEL_RACE 0x40f | |
354 | #define OBD_FAIL_OSC_CP_ENQ_RACE 0x410 | |
355 | #define OBD_FAIL_OSC_NO_GRANT 0x411 | |
356 | #define OBD_FAIL_OSC_DELAY_SETTIME 0x412 | |
357 | ||
358 | #define OBD_FAIL_PTLRPC 0x500 | |
359 | #define OBD_FAIL_PTLRPC_ACK 0x501 | |
360 | #define OBD_FAIL_PTLRPC_RQBD 0x502 | |
361 | #define OBD_FAIL_PTLRPC_BULK_GET_NET 0x503 | |
362 | #define OBD_FAIL_PTLRPC_BULK_PUT_NET 0x504 | |
363 | #define OBD_FAIL_PTLRPC_DROP_RPC 0x505 | |
364 | #define OBD_FAIL_PTLRPC_DELAY_SEND 0x506 | |
365 | #define OBD_FAIL_PTLRPC_DELAY_RECOV 0x507 | |
366 | #define OBD_FAIL_PTLRPC_CLIENT_BULK_CB 0x508 | |
367 | #define OBD_FAIL_PTLRPC_PAUSE_REQ 0x50a | |
368 | #define OBD_FAIL_PTLRPC_PAUSE_REP 0x50c | |
369 | #define OBD_FAIL_PTLRPC_IMP_DEACTIVE 0x50d | |
370 | #define OBD_FAIL_PTLRPC_DUMP_LOG 0x50e | |
371 | #define OBD_FAIL_PTLRPC_LONG_REPL_UNLINK 0x50f | |
372 | #define OBD_FAIL_PTLRPC_LONG_BULK_UNLINK 0x510 | |
373 | #define OBD_FAIL_PTLRPC_HPREQ_TIMEOUT 0x511 | |
374 | #define OBD_FAIL_PTLRPC_HPREQ_NOTIMEOUT 0x512 | |
375 | #define OBD_FAIL_PTLRPC_DROP_REQ_OPC 0x513 | |
376 | #define OBD_FAIL_PTLRPC_FINISH_REPLAY 0x514 | |
377 | #define OBD_FAIL_PTLRPC_CLIENT_BULK_CB2 0x515 | |
378 | #define OBD_FAIL_PTLRPC_DELAY_IMP_FULL 0x516 | |
379 | #define OBD_FAIL_PTLRPC_CANCEL_RESEND 0x517 | |
380 | ||
381 | #define OBD_FAIL_OBD_PING_NET 0x600 | |
382 | #define OBD_FAIL_OBD_LOG_CANCEL_NET 0x601 | |
383 | #define OBD_FAIL_OBD_LOGD_NET 0x602 | |
384 | #define OBD_FAIL_OBD_QC_CALLBACK_NET 0x603 | |
385 | #define OBD_FAIL_OBD_DQACQ 0x604 | |
386 | #define OBD_FAIL_OBD_LLOG_SETUP 0x605 | |
387 | #define OBD_FAIL_OBD_LOG_CANCEL_REP 0x606 | |
388 | #define OBD_FAIL_OBD_IDX_READ_NET 0x607 | |
389 | #define OBD_FAIL_OBD_IDX_READ_BREAK 0x608 | |
390 | #define OBD_FAIL_OBD_NO_LRU 0x609 | |
391 | ||
392 | #define OBD_FAIL_TGT_REPLY_NET 0x700 | |
393 | #define OBD_FAIL_TGT_CONN_RACE 0x701 | |
394 | #define OBD_FAIL_TGT_FORCE_RECONNECT 0x702 | |
395 | #define OBD_FAIL_TGT_DELAY_CONNECT 0x703 | |
396 | #define OBD_FAIL_TGT_DELAY_RECONNECT 0x704 | |
397 | #define OBD_FAIL_TGT_DELAY_PRECREATE 0x705 | |
398 | #define OBD_FAIL_TGT_TOOMANY_THREADS 0x706 | |
399 | #define OBD_FAIL_TGT_REPLAY_DROP 0x707 | |
400 | #define OBD_FAIL_TGT_FAKE_EXP 0x708 | |
401 | #define OBD_FAIL_TGT_REPLAY_DELAY 0x709 | |
402 | #define OBD_FAIL_TGT_LAST_REPLAY 0x710 | |
403 | #define OBD_FAIL_TGT_CLIENT_ADD 0x711 | |
404 | #define OBD_FAIL_TGT_RCVG_FLAG 0x712 | |
405 | ||
406 | #define OBD_FAIL_MDC_REVALIDATE_PAUSE 0x800 | |
407 | #define OBD_FAIL_MDC_ENQUEUE_PAUSE 0x801 | |
408 | #define OBD_FAIL_MDC_OLD_EXT_FLAGS 0x802 | |
409 | #define OBD_FAIL_MDC_GETATTR_ENQUEUE 0x803 | |
410 | #define OBD_FAIL_MDC_RPCS_SEM 0x804 | |
411 | #define OBD_FAIL_MDC_LIGHTWEIGHT 0x805 | |
412 | ||
413 | #define OBD_FAIL_MGS 0x900 | |
414 | #define OBD_FAIL_MGS_ALL_REQUEST_NET 0x901 | |
415 | #define OBD_FAIL_MGS_ALL_REPLY_NET 0x902 | |
416 | #define OBD_FAIL_MGC_PAUSE_PROCESS_LOG 0x903 | |
417 | #define OBD_FAIL_MGS_PAUSE_REQ 0x904 | |
418 | #define OBD_FAIL_MGS_PAUSE_TARGET_REG 0x905 | |
65f1c781 MP |
419 | #define OBD_FAIL_MGS_CONNECT_NET 0x906 |
420 | #define OBD_FAIL_MGS_DISCONNECT_NET 0x907 | |
421 | #define OBD_FAIL_MGS_SET_INFO_NET 0x908 | |
422 | #define OBD_FAIL_MGS_EXCEPTION_NET 0x909 | |
423 | #define OBD_FAIL_MGS_TARGET_REG_NET 0x90a | |
424 | #define OBD_FAIL_MGS_TARGET_DEL_NET 0x90b | |
425 | #define OBD_FAIL_MGS_CONFIG_READ_NET 0x90c | |
d7e09d03 PT |
426 | |
427 | #define OBD_FAIL_QUOTA_DQACQ_NET 0xA01 | |
428 | #define OBD_FAIL_QUOTA_EDQUOT 0xA02 | |
429 | #define OBD_FAIL_QUOTA_DELAY_REINT 0xA03 | |
430 | #define OBD_FAIL_QUOTA_RECOVERABLE_ERR 0xA04 | |
431 | ||
432 | #define OBD_FAIL_LPROC_REMOVE 0xB00 | |
433 | ||
434 | #define OBD_FAIL_GENERAL_ALLOC 0xC00 | |
435 | ||
436 | #define OBD_FAIL_SEQ 0x1000 | |
437 | #define OBD_FAIL_SEQ_QUERY_NET 0x1001 | |
438 | #define OBD_FAIL_SEQ_EXHAUST 0x1002 | |
439 | ||
440 | #define OBD_FAIL_FLD 0x1100 | |
441 | #define OBD_FAIL_FLD_QUERY_NET 0x1101 | |
442 | ||
443 | #define OBD_FAIL_SEC_CTX 0x1200 | |
444 | #define OBD_FAIL_SEC_CTX_INIT_NET 0x1201 | |
445 | #define OBD_FAIL_SEC_CTX_INIT_CONT_NET 0x1202 | |
446 | #define OBD_FAIL_SEC_CTX_FINI_NET 0x1203 | |
447 | #define OBD_FAIL_SEC_CTX_HDL_PAUSE 0x1204 | |
448 | ||
449 | #define OBD_FAIL_LLOG 0x1300 | |
450 | #define OBD_FAIL_LLOG_ORIGIN_CONNECT_NET 0x1301 | |
451 | #define OBD_FAIL_LLOG_ORIGIN_HANDLE_CREATE_NET 0x1302 | |
452 | #define OBD_FAIL_LLOG_ORIGIN_HANDLE_DESTROY_NET 0x1303 | |
453 | #define OBD_FAIL_LLOG_ORIGIN_HANDLE_READ_HEADER_NET 0x1304 | |
454 | #define OBD_FAIL_LLOG_ORIGIN_HANDLE_NEXT_BLOCK_NET 0x1305 | |
455 | #define OBD_FAIL_LLOG_ORIGIN_HANDLE_PREV_BLOCK_NET 0x1306 | |
456 | #define OBD_FAIL_LLOG_ORIGIN_HANDLE_WRITE_REC_NET 0x1307 | |
457 | #define OBD_FAIL_LLOG_ORIGIN_HANDLE_CLOSE_NET 0x1308 | |
458 | #define OBD_FAIL_LLOG_CATINFO_NET 0x1309 | |
459 | #define OBD_FAIL_MDS_SYNC_CAPA_SL 0x1310 | |
460 | #define OBD_FAIL_SEQ_ALLOC 0x1311 | |
461 | ||
462 | #define OBD_FAIL_LLITE 0x1400 | |
463 | #define OBD_FAIL_LLITE_FAULT_TRUNC_RACE 0x1401 | |
464 | #define OBD_FAIL_LOCK_STATE_WAIT_INTR 0x1402 | |
465 | #define OBD_FAIL_LOV_INIT 0x1403 | |
466 | #define OBD_FAIL_GLIMPSE_DELAY 0x1404 | |
7fc1f831 | 467 | #define OBD_FAIL_LLITE_XATTR_ENOMEM 0x1405 |
d7e09d03 PT |
468 | |
469 | #define OBD_FAIL_FID_INDIR 0x1501 | |
470 | #define OBD_FAIL_FID_INLMA 0x1502 | |
471 | #define OBD_FAIL_FID_IGIF 0x1504 | |
472 | #define OBD_FAIL_FID_LOOKUP 0x1505 | |
473 | #define OBD_FAIL_FID_NOLMA 0x1506 | |
474 | ||
475 | /* LFSCK */ | |
476 | #define OBD_FAIL_LFSCK_DELAY1 0x1600 | |
477 | #define OBD_FAIL_LFSCK_DELAY2 0x1601 | |
478 | #define OBD_FAIL_LFSCK_DELAY3 0x1602 | |
479 | #define OBD_FAIL_LFSCK_LINKEA_CRASH 0x1603 | |
480 | #define OBD_FAIL_LFSCK_LINKEA_MORE 0x1604 | |
c6c9f60d | 481 | #define OBD_FAIL_LFSCK_LINKEA_MORE2 0x1605 |
d7e09d03 PT |
482 | #define OBD_FAIL_LFSCK_FATAL1 0x1608 |
483 | #define OBD_FAIL_LFSCK_FATAL2 0x1609 | |
484 | #define OBD_FAIL_LFSCK_CRASH 0x160a | |
485 | #define OBD_FAIL_LFSCK_NO_AUTO 0x160b | |
486 | #define OBD_FAIL_LFSCK_NO_DOUBLESCAN 0x160c | |
487 | ||
488 | /* UPDATE */ | |
489 | #define OBD_FAIL_UPDATE_OBJ_NET 0x1700 | |
490 | #define OBD_FAIL_UPDATE_OBJ_NET_REP 0x1701 | |
491 | ||
492 | ||
493 | /* Assign references to moved code to reduce code changes */ | |
494 | #define OBD_FAIL_PRECHECK(id) CFS_FAIL_PRECHECK(id) | |
495 | #define OBD_FAIL_CHECK(id) CFS_FAIL_CHECK(id) | |
496 | #define OBD_FAIL_CHECK_VALUE(id, value) CFS_FAIL_CHECK_VALUE(id, value) | |
497 | #define OBD_FAIL_CHECK_ORSET(id, value) CFS_FAIL_CHECK_ORSET(id, value) | |
498 | #define OBD_FAIL_CHECK_RESET(id, value) CFS_FAIL_CHECK_RESET(id, value) | |
499 | #define OBD_FAIL_RETURN(id, ret) CFS_FAIL_RETURN(id, ret) | |
500 | #define OBD_FAIL_TIMEOUT(id, secs) CFS_FAIL_TIMEOUT(id, secs) | |
501 | #define OBD_FAIL_TIMEOUT_MS(id, ms) CFS_FAIL_TIMEOUT_MS(id, ms) | |
502 | #define OBD_FAIL_TIMEOUT_ORSET(id, value, secs) CFS_FAIL_TIMEOUT_ORSET(id, value, secs) | |
503 | #define OBD_RACE(id) CFS_RACE(id) | |
504 | #define OBD_FAIL_ONCE CFS_FAIL_ONCE | |
505 | #define OBD_FAILED CFS_FAILED | |
506 | ||
507 | extern atomic_t libcfs_kmemory; | |
508 | ||
9d2834dd PT |
509 | extern void obd_update_maxusage(void); |
510 | ||
f267cdb4 | 511 | #if defined (CONFIG_PROC_FS) |
d7e09d03 PT |
512 | #define obd_memory_add(size) \ |
513 | lprocfs_counter_add(obd_memory, OBD_MEMORY_STAT, (long)(size)) | |
514 | #define obd_memory_sub(size) \ | |
515 | lprocfs_counter_sub(obd_memory, OBD_MEMORY_STAT, (long)(size)) | |
516 | #define obd_memory_sum() \ | |
517 | lprocfs_stats_collector(obd_memory, OBD_MEMORY_STAT, \ | |
518 | LPROCFS_FIELDS_FLAGS_SUM) | |
519 | #define obd_pages_add(order) \ | |
520 | lprocfs_counter_add(obd_memory, OBD_MEMORY_PAGES_STAT, \ | |
521 | (long)(1 << (order))) | |
522 | #define obd_pages_sub(order) \ | |
523 | lprocfs_counter_sub(obd_memory, OBD_MEMORY_PAGES_STAT, \ | |
524 | (long)(1 << (order))) | |
525 | #define obd_pages_sum() \ | |
526 | lprocfs_stats_collector(obd_memory, OBD_MEMORY_PAGES_STAT, \ | |
527 | LPROCFS_FIELDS_FLAGS_SUM) | |
528 | ||
d7e09d03 PT |
529 | extern __u64 obd_memory_max(void); |
530 | extern __u64 obd_pages_max(void); | |
531 | ||
532 | #else | |
533 | ||
534 | extern __u64 obd_alloc; | |
535 | extern __u64 obd_pages; | |
536 | ||
537 | extern __u64 obd_max_alloc; | |
538 | extern __u64 obd_max_pages; | |
539 | ||
540 | static inline void obd_memory_add(long size) | |
541 | { | |
542 | obd_alloc += size; | |
543 | if (obd_alloc > obd_max_alloc) | |
544 | obd_max_alloc = obd_alloc; | |
545 | } | |
546 | ||
547 | static inline void obd_memory_sub(long size) | |
548 | { | |
549 | obd_alloc -= size; | |
550 | } | |
551 | ||
552 | static inline void obd_pages_add(int order) | |
553 | { | |
554 | obd_pages += 1<< order; | |
555 | if (obd_pages > obd_max_pages) | |
556 | obd_max_pages = obd_pages; | |
557 | } | |
558 | ||
559 | static inline void obd_pages_sub(int order) | |
560 | { | |
561 | obd_pages -= 1<< order; | |
562 | } | |
563 | ||
564 | #define obd_memory_sum() (obd_alloc) | |
565 | #define obd_pages_sum() (obd_pages) | |
566 | ||
567 | #define obd_memory_max() (obd_max_alloc) | |
568 | #define obd_pages_max() (obd_max_pages) | |
569 | ||
570 | #endif | |
571 | ||
572 | #define OBD_DEBUG_MEMUSAGE (1) | |
573 | ||
574 | #if OBD_DEBUG_MEMUSAGE | |
575 | #define OBD_ALLOC_POST(ptr, size, name) \ | |
576 | obd_memory_add(size); \ | |
577 | CDEBUG(D_MALLOC, name " '" #ptr "': %d at %p.\n", \ | |
578 | (int)(size), ptr) | |
579 | ||
580 | #define OBD_FREE_PRE(ptr, size, name) \ | |
581 | LASSERT(ptr); \ | |
582 | obd_memory_sub(size); \ | |
583 | CDEBUG(D_MALLOC, name " '" #ptr "': %d at %p.\n", \ | |
584 | (int)(size), ptr); \ | |
585 | POISON(ptr, 0x5a, size) | |
586 | ||
587 | #else /* !OBD_DEBUG_MEMUSAGE */ | |
588 | ||
589 | #define OBD_ALLOC_POST(ptr, size, name) ((void)0) | |
590 | #define OBD_FREE_PRE(ptr, size, name) ((void)0) | |
591 | ||
592 | #endif /* !OBD_DEBUG_MEMUSAGE */ | |
593 | ||
594 | #define HAS_FAIL_ALLOC_FLAG OBD_FAIL_CHECK(OBD_FAIL_GENERAL_ALLOC) | |
595 | ||
596 | #define OBD_ALLOC_FAIL_BITS 24 | |
597 | #define OBD_ALLOC_FAIL_MASK ((1 << OBD_ALLOC_FAIL_BITS) - 1) | |
598 | #define OBD_ALLOC_FAIL_MULT (OBD_ALLOC_FAIL_MASK / 100) | |
599 | ||
600 | #if defined(LUSTRE_UTILS) /* this version is for utils only */ | |
601 | #define __OBD_MALLOC_VERBOSE(ptr, cptab, cpt, size, flags) \ | |
602 | do { \ | |
603 | (ptr) = (cptab) == NULL ? \ | |
604 | kmalloc(size, flags) : \ | |
49c02a75 | 605 | kmalloc_node(size, flags, cfs_cpt_spread_node(cptab, cpt)); \ |
d7e09d03 PT |
606 | if (unlikely((ptr) == NULL)) { \ |
607 | CERROR("kmalloc of '" #ptr "' (%d bytes) failed at %s:%d\n", \ | |
608 | (int)(size), __FILE__, __LINE__); \ | |
609 | } else { \ | |
610 | memset(ptr, 0, size); \ | |
611 | CDEBUG(D_MALLOC, "kmalloced '" #ptr "': %d at %p\n", \ | |
612 | (int)(size), ptr); \ | |
613 | } \ | |
614 | } while (0) | |
615 | ||
616 | #else /* this version is for the kernel and liblustre */ | |
617 | #define OBD_FREE_RTN0(ptr) \ | |
618 | ({ \ | |
619 | kfree(ptr); \ | |
620 | (ptr) = NULL; \ | |
621 | 0; \ | |
622 | }) | |
623 | ||
624 | #define __OBD_MALLOC_VERBOSE(ptr, cptab, cpt, size, flags) \ | |
625 | do { \ | |
626 | (ptr) = (cptab) == NULL ? \ | |
49c02a75 PT |
627 | kmalloc(size, flags | __GFP_ZERO) : \ |
628 | kmalloc_node(size, flags | __GFP_ZERO, \ | |
629 | cfs_cpt_spread_node(cptab, cpt)); \ | |
d7e09d03 PT |
630 | if (likely((ptr) != NULL && \ |
631 | (!HAS_FAIL_ALLOC_FLAG || obd_alloc_fail_rate == 0 || \ | |
632 | !obd_alloc_fail(ptr, #ptr, "km", size, \ | |
633 | __FILE__, __LINE__) || \ | |
634 | OBD_FREE_RTN0(ptr)))){ \ | |
d7e09d03 PT |
635 | OBD_ALLOC_POST(ptr, size, "kmalloced"); \ |
636 | } \ | |
637 | } while (0) | |
638 | #endif | |
639 | ||
640 | #define OBD_ALLOC_GFP(ptr, size, gfp_mask) \ | |
641 | __OBD_MALLOC_VERBOSE(ptr, NULL, 0, size, gfp_mask) | |
642 | ||
0be19afa AK |
643 | #define OBD_ALLOC(ptr, size) OBD_ALLOC_GFP(ptr, size, GFP_NOFS) |
644 | #define OBD_ALLOC_WAIT(ptr, size) OBD_ALLOC_GFP(ptr, size, GFP_KERNEL) | |
ec83e611 JP |
645 | #define OBD_ALLOC_PTR(ptr) OBD_ALLOC(ptr, sizeof(*(ptr))) |
646 | #define OBD_ALLOC_PTR_WAIT(ptr) OBD_ALLOC_WAIT(ptr, sizeof(*(ptr))) | |
d7e09d03 PT |
647 | |
648 | #define OBD_CPT_ALLOC_GFP(ptr, cptab, cpt, size, gfp_mask) \ | |
649 | __OBD_MALLOC_VERBOSE(ptr, cptab, cpt, size, gfp_mask) | |
650 | ||
651 | #define OBD_CPT_ALLOC(ptr, cptab, cpt, size) \ | |
0be19afa | 652 | OBD_CPT_ALLOC_GFP(ptr, cptab, cpt, size, GFP_NOFS) |
d7e09d03 PT |
653 | |
654 | #define OBD_CPT_ALLOC_PTR(ptr, cptab, cpt) \ | |
ec83e611 | 655 | OBD_CPT_ALLOC(ptr, cptab, cpt, sizeof(*(ptr))) |
d7e09d03 PT |
656 | |
657 | # define __OBD_VMALLOC_VEROBSE(ptr, cptab, cpt, size) \ | |
658 | do { \ | |
659 | (ptr) = cptab == NULL ? \ | |
49c02a75 PT |
660 | vzalloc(size) : \ |
661 | vzalloc_node(size, cfs_cpt_spread_node(cptab, cpt)); \ | |
d7e09d03 PT |
662 | if (unlikely((ptr) == NULL)) { \ |
663 | CERROR("vmalloc of '" #ptr "' (%d bytes) failed\n", \ | |
664 | (int)(size)); \ | |
b0f5aad5 | 665 | CERROR("%llu total bytes allocated by Lustre, %d by LNET\n", \ |
d7e09d03 PT |
666 | obd_memory_sum(), atomic_read(&libcfs_kmemory)); \ |
667 | } else { \ | |
d7e09d03 PT |
668 | OBD_ALLOC_POST(ptr, size, "vmalloced"); \ |
669 | } \ | |
670 | } while(0) | |
671 | ||
672 | # define OBD_VMALLOC(ptr, size) \ | |
673 | __OBD_VMALLOC_VEROBSE(ptr, NULL, 0, size) | |
674 | # define OBD_CPT_VMALLOC(ptr, cptab, cpt, size) \ | |
675 | __OBD_VMALLOC_VEROBSE(ptr, cptab, cpt, size) | |
676 | ||
677 | ||
678 | /* Allocations above this size are considered too big and could not be done | |
679 | * atomically. | |
680 | * | |
681 | * Be very careful when changing this value, especially when decreasing it, | |
682 | * since vmalloc in Linux doesn't perform well on multi-cores system, calling | |
bd9070cb | 683 | * vmalloc in critical path would hurt performance badly. See LU-66. |
d7e09d03 PT |
684 | */ |
685 | #define OBD_ALLOC_BIG (4 * PAGE_CACHE_SIZE) | |
686 | ||
687 | #define OBD_ALLOC_LARGE(ptr, size) \ | |
688 | do { \ | |
689 | if (size > OBD_ALLOC_BIG) \ | |
690 | OBD_VMALLOC(ptr, size); \ | |
691 | else \ | |
692 | OBD_ALLOC(ptr, size); \ | |
693 | } while (0) | |
694 | ||
695 | #define OBD_CPT_ALLOC_LARGE(ptr, cptab, cpt, size) \ | |
696 | do { \ | |
697 | if (size > OBD_ALLOC_BIG) \ | |
698 | OBD_CPT_VMALLOC(ptr, cptab, cpt, size); \ | |
699 | else \ | |
700 | OBD_CPT_ALLOC(ptr, cptab, cpt, size); \ | |
701 | } while (0) | |
702 | ||
703 | #define OBD_FREE_LARGE(ptr, size) \ | |
704 | do { \ | |
705 | if (size > OBD_ALLOC_BIG) \ | |
706 | OBD_VFREE(ptr, size); \ | |
707 | else \ | |
708 | OBD_FREE(ptr, size); \ | |
709 | } while (0) | |
710 | ||
711 | ||
712 | #ifdef CONFIG_DEBUG_SLAB | |
713 | #define POISON(ptr, c, s) do {} while (0) | |
714 | #define POISON_PTR(ptr) ((void)0) | |
715 | #else | |
716 | #define POISON(ptr, c, s) memset(ptr, c, s) | |
717 | #define POISON_PTR(ptr) (ptr) = (void *)0xdeadbeef | |
718 | #endif | |
719 | ||
720 | #ifdef POISON_BULK | |
721 | #define POISON_PAGE(page, val) do { memset(kmap(page), val, PAGE_CACHE_SIZE); \ | |
722 | kunmap(page); } while (0) | |
723 | #else | |
724 | #define POISON_PAGE(page, val) do { } while (0) | |
725 | #endif | |
726 | ||
727 | #define OBD_FREE(ptr, size) \ | |
728 | do { \ | |
729 | OBD_FREE_PRE(ptr, size, "kfreed"); \ | |
730 | kfree(ptr); \ | |
731 | POISON_PTR(ptr); \ | |
732 | } while(0) | |
733 | ||
734 | ||
735 | #define OBD_FREE_RCU(ptr, size, handle) \ | |
736 | do { \ | |
737 | struct portals_handle *__h = (handle); \ | |
738 | \ | |
739 | LASSERT(handle != NULL); \ | |
740 | __h->h_cookie = (unsigned long)(ptr); \ | |
741 | __h->h_size = (size); \ | |
742 | call_rcu(&__h->h_rcu, class_handle_free_cb); \ | |
743 | POISON_PTR(ptr); \ | |
744 | } while(0) | |
745 | ||
746 | ||
747 | #define OBD_VFREE(ptr, size) \ | |
748 | do { \ | |
749 | OBD_FREE_PRE(ptr, size, "vfreed"); \ | |
750 | vfree(ptr); \ | |
751 | POISON_PTR(ptr); \ | |
752 | } while (0) | |
753 | ||
754 | /* we memset() the slab object to 0 when allocation succeeds, so DO NOT | |
755 | * HAVE A CTOR THAT DOES ANYTHING. its work will be cleared here. we'd | |
756 | * love to assert on that, but slab.c keeps kmem_cache_s all to itself. */ | |
757 | #define OBD_SLAB_FREE_RTN0(ptr, slab) \ | |
758 | ({ \ | |
759 | kmem_cache_free((slab), (ptr)); \ | |
760 | (ptr) = NULL; \ | |
761 | 0; \ | |
762 | }) | |
763 | ||
764 | #define __OBD_SLAB_ALLOC_VERBOSE(ptr, slab, cptab, cpt, size, type) \ | |
765 | do { \ | |
766 | LASSERT(ergo((type) != GFP_ATOMIC, !in_interrupt())); \ | |
767 | (ptr) = (cptab) == NULL ? \ | |
49c02a75 PT |
768 | kmem_cache_alloc(slab, type | __GFP_ZERO) : \ |
769 | kmem_cache_alloc_node(slab, type | __GFP_ZERO, \ | |
770 | cfs_cpt_spread_node(cptab, cpt)); \ | |
d7e09d03 PT |
771 | if (likely((ptr) != NULL && \ |
772 | (!HAS_FAIL_ALLOC_FLAG || obd_alloc_fail_rate == 0 || \ | |
773 | !obd_alloc_fail(ptr, #ptr, "slab-", size, \ | |
774 | __FILE__, __LINE__) || \ | |
775 | OBD_SLAB_FREE_RTN0(ptr, slab)))) { \ | |
d7e09d03 PT |
776 | OBD_ALLOC_POST(ptr, size, "slab-alloced"); \ |
777 | } \ | |
778 | } while(0) | |
779 | ||
780 | #define OBD_SLAB_ALLOC_GFP(ptr, slab, size, flags) \ | |
781 | __OBD_SLAB_ALLOC_VERBOSE(ptr, slab, NULL, 0, size, flags) | |
782 | #define OBD_SLAB_CPT_ALLOC_GFP(ptr, slab, cptab, cpt, size, flags) \ | |
783 | __OBD_SLAB_ALLOC_VERBOSE(ptr, slab, cptab, cpt, size, flags) | |
784 | ||
ec83e611 | 785 | #define OBD_FREE_PTR(ptr) OBD_FREE(ptr, sizeof(*(ptr))) |
d7e09d03 PT |
786 | |
787 | #define OBD_SLAB_FREE(ptr, slab, size) \ | |
788 | do { \ | |
789 | OBD_FREE_PRE(ptr, size, "slab-freed"); \ | |
790 | kmem_cache_free(slab, ptr); \ | |
791 | POISON_PTR(ptr); \ | |
792 | } while(0) | |
793 | ||
794 | #define OBD_SLAB_ALLOC(ptr, slab, size) \ | |
0be19afa | 795 | OBD_SLAB_ALLOC_GFP(ptr, slab, size, GFP_NOFS) |
d7e09d03 PT |
796 | |
797 | #define OBD_SLAB_CPT_ALLOC(ptr, slab, cptab, cpt, size) \ | |
0be19afa | 798 | OBD_SLAB_CPT_ALLOC_GFP(ptr, slab, cptab, cpt, size, GFP_NOFS) |
d7e09d03 PT |
799 | |
800 | #define OBD_SLAB_ALLOC_PTR(ptr, slab) \ | |
ec83e611 | 801 | OBD_SLAB_ALLOC(ptr, slab, sizeof(*(ptr))) |
d7e09d03 PT |
802 | |
803 | #define OBD_SLAB_CPT_ALLOC_PTR(ptr, slab, cptab, cpt) \ | |
ec83e611 | 804 | OBD_SLAB_CPT_ALLOC(ptr, slab, cptab, cpt, sizeof(*(ptr))) |
d7e09d03 PT |
805 | |
806 | #define OBD_SLAB_ALLOC_PTR_GFP(ptr, slab, flags) \ | |
ec83e611 | 807 | OBD_SLAB_ALLOC_GFP(ptr, slab, sizeof(*(ptr)), flags) |
d7e09d03 PT |
808 | |
809 | #define OBD_SLAB_CPT_ALLOC_PTR_GFP(ptr, slab, cptab, cpt, flags) \ | |
ec83e611 | 810 | OBD_SLAB_CPT_ALLOC_GFP(ptr, slab, cptab, cpt, sizeof(*(ptr)), flags) |
d7e09d03 PT |
811 | |
812 | #define OBD_SLAB_FREE_PTR(ptr, slab) \ | |
ec83e611 | 813 | OBD_SLAB_FREE((ptr), (slab), sizeof(*(ptr))) |
d7e09d03 PT |
814 | |
815 | #define KEY_IS(str) \ | |
816 | (keylen >= (sizeof(str)-1) && memcmp(key, str, (sizeof(str)-1)) == 0) | |
817 | ||
818 | /* Wrapper for contiguous page frame allocation */ | |
819 | #define __OBD_PAGE_ALLOC_VERBOSE(ptr, cptab, cpt, gfp_mask) \ | |
820 | do { \ | |
821 | (ptr) = (cptab) == NULL ? \ | |
822 | alloc_page(gfp_mask) : \ | |
49c02a75 | 823 | alloc_pages_node(cfs_cpt_spread_node(cptab, cpt), gfp_mask, 0);\ |
d7e09d03 | 824 | if (unlikely((ptr) == NULL)) { \ |
b0f5aad5 | 825 | CERROR("alloc_pages of '" #ptr "' %d page(s) / %llu bytes "\ |
d7e09d03 PT |
826 | "failed\n", (int)1, \ |
827 | (__u64)(1 << PAGE_CACHE_SHIFT)); \ | |
b0f5aad5 GKH |
828 | CERROR("%llu total bytes and %llu total pages " \ |
829 | "(%llu bytes) allocated by Lustre, " \ | |
d7e09d03 PT |
830 | "%d total bytes by LNET\n", \ |
831 | obd_memory_sum(), \ | |
832 | obd_pages_sum() << PAGE_CACHE_SHIFT, \ | |
833 | obd_pages_sum(), \ | |
834 | atomic_read(&libcfs_kmemory)); \ | |
835 | } else { \ | |
836 | obd_pages_add(0); \ | |
837 | CDEBUG(D_MALLOC, "alloc_pages '" #ptr "': %d page(s) / " \ | |
b0f5aad5 | 838 | "%llu bytes at %p.\n", \ |
d7e09d03 PT |
839 | (int)1, \ |
840 | (__u64)(1 << PAGE_CACHE_SHIFT), ptr); \ | |
841 | } \ | |
842 | } while (0) | |
843 | ||
844 | #define OBD_PAGE_ALLOC(ptr, gfp_mask) \ | |
845 | __OBD_PAGE_ALLOC_VERBOSE(ptr, NULL, 0, gfp_mask) | |
846 | #define OBD_PAGE_CPT_ALLOC(ptr, cptab, cpt, gfp_mask) \ | |
847 | __OBD_PAGE_ALLOC_VERBOSE(ptr, cptab, cpt, gfp_mask) | |
848 | ||
849 | #define OBD_PAGE_FREE(ptr) \ | |
850 | do { \ | |
851 | LASSERT(ptr); \ | |
852 | obd_pages_sub(0); \ | |
b0f5aad5 | 853 | CDEBUG(D_MALLOC, "free_pages '" #ptr "': %d page(s) / %llu bytes " \ |
d7e09d03 PT |
854 | "at %p.\n", \ |
855 | (int)1, (__u64)(1 << PAGE_CACHE_SHIFT), \ | |
856 | ptr); \ | |
857 | __free_page(ptr); \ | |
858 | (ptr) = (void *)0xdeadbeef; \ | |
859 | } while (0) | |
860 | ||
861 | #endif |