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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 | ||
40 | #include <linux/libcfs/libcfs.h> | |
41 | #include <lvfs.h> | |
42 | #include <lprocfs_status.h> | |
43 | ||
44 | #include <linux/obd_support.h> | |
45 | ||
46 | /* global variables */ | |
47 | extern struct lprocfs_stats *obd_memory; | |
48 | enum { | |
49 | OBD_MEMORY_STAT = 0, | |
50 | OBD_MEMORY_PAGES_STAT = 1, | |
51 | OBD_STATS_NUM, | |
52 | }; | |
53 | ||
54 | extern unsigned int obd_debug_peer_on_timeout; | |
55 | extern unsigned int obd_dump_on_timeout; | |
56 | extern unsigned int obd_dump_on_eviction; | |
57 | /* obd_timeout should only be used for recovery, not for | |
58 | networking / disk / timings affected by load (use Adaptive Timeouts) */ | |
59 | extern unsigned int obd_timeout; /* seconds */ | |
60 | extern unsigned int ldlm_timeout; /* seconds */ | |
61 | extern unsigned int obd_timeout_set; | |
62 | extern unsigned int ldlm_timeout_set; | |
63 | extern unsigned int at_min; | |
64 | extern unsigned int at_max; | |
65 | extern unsigned int at_history; | |
66 | extern int at_early_margin; | |
67 | extern int at_extra; | |
68 | extern unsigned int obd_sync_filter; | |
69 | extern unsigned int obd_max_dirty_pages; | |
d7e09d03 PT |
70 | extern atomic_t obd_dirty_pages; |
71 | extern atomic_t obd_dirty_transit_pages; | |
72 | extern unsigned int obd_alloc_fail_rate; | |
73 | extern char obd_jobid_var[]; | |
74 | ||
75 | /* lvfs.c */ | |
76 | int obd_alloc_fail(const void *ptr, const char *name, const char *type, | |
77 | size_t size, const char *file, int line); | |
78 | ||
79 | /* Some hash init argument constants */ | |
80 | #define HASH_POOLS_BKT_BITS 3 | |
81 | #define HASH_POOLS_CUR_BITS 3 | |
82 | #define HASH_POOLS_MAX_BITS 7 | |
83 | #define HASH_UUID_BKT_BITS 5 | |
84 | #define HASH_UUID_CUR_BITS 7 | |
85 | #define HASH_UUID_MAX_BITS 12 | |
86 | #define HASH_NID_BKT_BITS 5 | |
87 | #define HASH_NID_CUR_BITS 7 | |
88 | #define HASH_NID_MAX_BITS 12 | |
89 | #define HASH_NID_STATS_BKT_BITS 5 | |
90 | #define HASH_NID_STATS_CUR_BITS 7 | |
91 | #define HASH_NID_STATS_MAX_BITS 12 | |
92 | #define HASH_LQE_BKT_BITS 5 | |
93 | #define HASH_LQE_CUR_BITS 7 | |
94 | #define HASH_LQE_MAX_BITS 12 | |
95 | #define HASH_CONN_BKT_BITS 5 | |
96 | #define HASH_CONN_CUR_BITS 5 | |
97 | #define HASH_CONN_MAX_BITS 15 | |
98 | #define HASH_EXP_LOCK_BKT_BITS 5 | |
99 | #define HASH_EXP_LOCK_CUR_BITS 7 | |
100 | #define HASH_EXP_LOCK_MAX_BITS 16 | |
101 | #define HASH_CL_ENV_BKT_BITS 5 | |
102 | #define HASH_CL_ENV_BITS 10 | |
103 | #define HASH_JOB_STATS_BKT_BITS 5 | |
104 | #define HASH_JOB_STATS_CUR_BITS 7 | |
105 | #define HASH_JOB_STATS_MAX_BITS 12 | |
106 | ||
107 | /* Timeout definitions */ | |
108 | #define OBD_TIMEOUT_DEFAULT 100 | |
109 | #define LDLM_TIMEOUT_DEFAULT 20 | |
110 | #define MDS_LDLM_TIMEOUT_DEFAULT 6 | |
111 | /* Time to wait for all clients to reconnect during recovery (hard limit) */ | |
112 | #define OBD_RECOVERY_TIME_HARD (obd_timeout * 9) | |
113 | /* Time to wait for all clients to reconnect during recovery (soft limit) */ | |
114 | /* Should be very conservative; must catch the first reconnect after reboot */ | |
115 | #define OBD_RECOVERY_TIME_SOFT (obd_timeout * 3) | |
116 | /* Change recovery-small 26b time if you change this */ | |
117 | #define PING_INTERVAL max(obd_timeout / 4, 1U) | |
118 | /* a bit more than maximal journal commit time in seconds */ | |
119 | #define PING_INTERVAL_SHORT min(PING_INTERVAL, 7U) | |
120 | /* Client may skip 1 ping; we must wait at least 2.5. But for multiple | |
121 | * failover targets the client only pings one server at a time, and pings | |
122 | * can be lost on a loaded network. Since eviction has serious consequences, | |
123 | * and there's no urgent need to evict a client just because it's idle, we | |
124 | * should be very conservative here. */ | |
125 | #define PING_EVICT_TIMEOUT (PING_INTERVAL * 6) | |
126 | #define DISK_TIMEOUT 50 /* Beyond this we warn about disk speed */ | |
127 | #define CONNECTION_SWITCH_MIN 5U /* Connection switching rate limiter */ | |
128 | /* Max connect interval for nonresponsive servers; ~50s to avoid building up | |
129 | connect requests in the LND queues, but within obd_timeout so we don't | |
130 | miss the recovery window */ | |
131 | #define CONNECTION_SWITCH_MAX min(50U, max(CONNECTION_SWITCH_MIN,obd_timeout)) | |
132 | #define CONNECTION_SWITCH_INC 5 /* Connection timeout backoff */ | |
133 | /* In general this should be low to have quick detection of a system | |
134 | running on a backup server. (If it's too low, import_select_connection | |
135 | will increase the timeout anyhow.) */ | |
136 | #define INITIAL_CONNECT_TIMEOUT max(CONNECTION_SWITCH_MIN,obd_timeout/20) | |
137 | /* The max delay between connects is SWITCH_MAX + SWITCH_INC + INITIAL */ | |
138 | #define RECONNECT_DELAY_MAX (CONNECTION_SWITCH_MAX + CONNECTION_SWITCH_INC + \ | |
139 | INITIAL_CONNECT_TIMEOUT) | |
140 | /* The min time a target should wait for clients to reconnect in recovery */ | |
141 | #define OBD_RECOVERY_TIME_MIN (2*RECONNECT_DELAY_MAX) | |
142 | #define OBD_IR_FACTOR_MIN 1 | |
143 | #define OBD_IR_FACTOR_MAX 10 | |
144 | #define OBD_IR_FACTOR_DEFAULT (OBD_IR_FACTOR_MAX/2) | |
145 | /* default timeout for the MGS to become IR_FULL */ | |
146 | #define OBD_IR_MGS_TIMEOUT (4*obd_timeout) | |
147 | #define LONG_UNLINK 300 /* Unlink should happen before now */ | |
148 | ||
149 | /** | |
150 | * Time interval of shrink, if the client is "idle" more than this interval, | |
151 | * then the ll_grant thread will return the requested grant space to filter | |
152 | */ | |
153 | #define GRANT_SHRINK_INTERVAL 1200/*20 minutes*/ | |
154 | ||
155 | #define OBD_FAIL_MDS 0x100 | |
156 | #define OBD_FAIL_MDS_HANDLE_UNPACK 0x101 | |
157 | #define OBD_FAIL_MDS_GETATTR_NET 0x102 | |
158 | #define OBD_FAIL_MDS_GETATTR_PACK 0x103 | |
159 | #define OBD_FAIL_MDS_READPAGE_NET 0x104 | |
160 | #define OBD_FAIL_MDS_READPAGE_PACK 0x105 | |
161 | #define OBD_FAIL_MDS_SENDPAGE 0x106 | |
162 | #define OBD_FAIL_MDS_REINT_NET 0x107 | |
163 | #define OBD_FAIL_MDS_REINT_UNPACK 0x108 | |
164 | #define OBD_FAIL_MDS_REINT_SETATTR 0x109 | |
165 | #define OBD_FAIL_MDS_REINT_SETATTR_WRITE 0x10a | |
166 | #define OBD_FAIL_MDS_REINT_CREATE 0x10b | |
167 | #define OBD_FAIL_MDS_REINT_CREATE_WRITE 0x10c | |
168 | #define OBD_FAIL_MDS_REINT_UNLINK 0x10d | |
169 | #define OBD_FAIL_MDS_REINT_UNLINK_WRITE 0x10e | |
170 | #define OBD_FAIL_MDS_REINT_LINK 0x10f | |
171 | #define OBD_FAIL_MDS_REINT_LINK_WRITE 0x110 | |
172 | #define OBD_FAIL_MDS_REINT_RENAME 0x111 | |
173 | #define OBD_FAIL_MDS_REINT_RENAME_WRITE 0x112 | |
174 | #define OBD_FAIL_MDS_OPEN_NET 0x113 | |
175 | #define OBD_FAIL_MDS_OPEN_PACK 0x114 | |
176 | #define OBD_FAIL_MDS_CLOSE_NET 0x115 | |
177 | #define OBD_FAIL_MDS_CLOSE_PACK 0x116 | |
178 | #define OBD_FAIL_MDS_CONNECT_NET 0x117 | |
179 | #define OBD_FAIL_MDS_CONNECT_PACK 0x118 | |
180 | #define OBD_FAIL_MDS_REINT_NET_REP 0x119 | |
181 | #define OBD_FAIL_MDS_DISCONNECT_NET 0x11a | |
182 | #define OBD_FAIL_MDS_GETSTATUS_NET 0x11b | |
183 | #define OBD_FAIL_MDS_GETSTATUS_PACK 0x11c | |
184 | #define OBD_FAIL_MDS_STATFS_PACK 0x11d | |
185 | #define OBD_FAIL_MDS_STATFS_NET 0x11e | |
186 | #define OBD_FAIL_MDS_GETATTR_NAME_NET 0x11f | |
187 | #define OBD_FAIL_MDS_PIN_NET 0x120 | |
188 | #define OBD_FAIL_MDS_UNPIN_NET 0x121 | |
189 | #define OBD_FAIL_MDS_ALL_REPLY_NET 0x122 | |
190 | #define OBD_FAIL_MDS_ALL_REQUEST_NET 0x123 | |
191 | #define OBD_FAIL_MDS_SYNC_NET 0x124 | |
192 | #define OBD_FAIL_MDS_SYNC_PACK 0x125 | |
193 | #define OBD_FAIL_MDS_DONE_WRITING_NET 0x126 | |
194 | #define OBD_FAIL_MDS_DONE_WRITING_PACK 0x127 | |
195 | #define OBD_FAIL_MDS_ALLOC_OBDO 0x128 | |
196 | #define OBD_FAIL_MDS_PAUSE_OPEN 0x129 | |
197 | #define OBD_FAIL_MDS_STATFS_LCW_SLEEP 0x12a | |
198 | #define OBD_FAIL_MDS_OPEN_CREATE 0x12b | |
199 | #define OBD_FAIL_MDS_OST_SETATTR 0x12c | |
200 | #define OBD_FAIL_MDS_QUOTACHECK_NET 0x12d | |
201 | #define OBD_FAIL_MDS_QUOTACTL_NET 0x12e | |
202 | #define OBD_FAIL_MDS_CLIENT_ADD 0x12f | |
203 | #define OBD_FAIL_MDS_GETXATTR_NET 0x130 | |
204 | #define OBD_FAIL_MDS_GETXATTR_PACK 0x131 | |
205 | #define OBD_FAIL_MDS_SETXATTR_NET 0x132 | |
206 | #define OBD_FAIL_MDS_SETXATTR 0x133 | |
207 | #define OBD_FAIL_MDS_SETXATTR_WRITE 0x134 | |
208 | #define OBD_FAIL_MDS_FS_SETUP 0x135 | |
209 | #define OBD_FAIL_MDS_RESEND 0x136 | |
210 | #define OBD_FAIL_MDS_LLOG_CREATE_FAILED 0x137 | |
211 | #define OBD_FAIL_MDS_LOV_SYNC_RACE 0x138 | |
212 | #define OBD_FAIL_MDS_OSC_PRECREATE 0x139 | |
213 | #define OBD_FAIL_MDS_LLOG_SYNC_TIMEOUT 0x13a | |
214 | #define OBD_FAIL_MDS_CLOSE_NET_REP 0x13b | |
215 | #define OBD_FAIL_MDS_BLOCK_QUOTA_REQ 0x13c | |
216 | #define OBD_FAIL_MDS_DROP_QUOTA_REQ 0x13d | |
217 | #define OBD_FAIL_MDS_REMOVE_COMMON_EA 0x13e | |
218 | #define OBD_FAIL_MDS_ALLOW_COMMON_EA_SETTING 0x13f | |
219 | #define OBD_FAIL_MDS_FAIL_LOV_LOG_ADD 0x140 | |
220 | #define OBD_FAIL_MDS_LOV_PREP_CREATE 0x141 | |
221 | #define OBD_FAIL_MDS_REINT_DELAY 0x142 | |
222 | #define OBD_FAIL_MDS_READLINK_EPROTO 0x143 | |
223 | #define OBD_FAIL_MDS_OPEN_WAIT_CREATE 0x144 | |
224 | #define OBD_FAIL_MDS_PDO_LOCK 0x145 | |
225 | #define OBD_FAIL_MDS_PDO_LOCK2 0x146 | |
226 | #define OBD_FAIL_MDS_OSC_CREATE_FAIL 0x147 | |
227 | #define OBD_FAIL_MDS_NEGATIVE_POSITIVE 0x148 | |
228 | #define OBD_FAIL_MDS_HSM_STATE_GET_NET 0x149 | |
229 | #define OBD_FAIL_MDS_HSM_STATE_SET_NET 0x14a | |
230 | #define OBD_FAIL_MDS_HSM_PROGRESS_NET 0x14b | |
231 | #define OBD_FAIL_MDS_HSM_REQUEST_NET 0x14c | |
232 | #define OBD_FAIL_MDS_HSM_CT_REGISTER_NET 0x14d | |
233 | #define OBD_FAIL_MDS_HSM_CT_UNREGISTER_NET 0x14e | |
234 | #define OBD_FAIL_MDS_SWAP_LAYOUTS_NET 0x14f | |
235 | #define OBD_FAIL_MDS_HSM_ACTION_NET 0x150 | |
236 | #define OBD_FAIL_MDS_CHANGELOG_INIT 0x151 | |
237 | ||
238 | /* layout lock */ | |
239 | #define OBD_FAIL_MDS_NO_LL_GETATTR 0x170 | |
240 | #define OBD_FAIL_MDS_NO_LL_OPEN 0x171 | |
241 | #define OBD_FAIL_MDS_LL_BLOCK 0x172 | |
242 | ||
243 | /* CMD */ | |
244 | #define OBD_FAIL_MDS_IS_SUBDIR_NET 0x180 | |
245 | #define OBD_FAIL_MDS_IS_SUBDIR_PACK 0x181 | |
246 | #define OBD_FAIL_MDS_SET_INFO_NET 0x182 | |
247 | #define OBD_FAIL_MDS_WRITEPAGE_NET 0x183 | |
248 | #define OBD_FAIL_MDS_WRITEPAGE_PACK 0x184 | |
249 | #define OBD_FAIL_MDS_RECOVERY_ACCEPTS_GAPS 0x185 | |
250 | #define OBD_FAIL_MDS_GET_INFO_NET 0x186 | |
251 | #define OBD_FAIL_MDS_DQACQ_NET 0x187 | |
252 | ||
253 | /* OI scrub */ | |
254 | #define OBD_FAIL_OSD_SCRUB_DELAY 0x190 | |
255 | #define OBD_FAIL_OSD_SCRUB_CRASH 0x191 | |
256 | #define OBD_FAIL_OSD_SCRUB_FATAL 0x192 | |
257 | #define OBD_FAIL_OSD_FID_MAPPING 0x193 | |
258 | #define OBD_FAIL_OSD_LMA_INCOMPAT 0x194 | |
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 | |
419 | ||
420 | #define OBD_FAIL_QUOTA_DQACQ_NET 0xA01 | |
421 | #define OBD_FAIL_QUOTA_EDQUOT 0xA02 | |
422 | #define OBD_FAIL_QUOTA_DELAY_REINT 0xA03 | |
423 | #define OBD_FAIL_QUOTA_RECOVERABLE_ERR 0xA04 | |
424 | ||
425 | #define OBD_FAIL_LPROC_REMOVE 0xB00 | |
426 | ||
427 | #define OBD_FAIL_GENERAL_ALLOC 0xC00 | |
428 | ||
429 | #define OBD_FAIL_SEQ 0x1000 | |
430 | #define OBD_FAIL_SEQ_QUERY_NET 0x1001 | |
431 | #define OBD_FAIL_SEQ_EXHAUST 0x1002 | |
432 | ||
433 | #define OBD_FAIL_FLD 0x1100 | |
434 | #define OBD_FAIL_FLD_QUERY_NET 0x1101 | |
435 | ||
436 | #define OBD_FAIL_SEC_CTX 0x1200 | |
437 | #define OBD_FAIL_SEC_CTX_INIT_NET 0x1201 | |
438 | #define OBD_FAIL_SEC_CTX_INIT_CONT_NET 0x1202 | |
439 | #define OBD_FAIL_SEC_CTX_FINI_NET 0x1203 | |
440 | #define OBD_FAIL_SEC_CTX_HDL_PAUSE 0x1204 | |
441 | ||
442 | #define OBD_FAIL_LLOG 0x1300 | |
443 | #define OBD_FAIL_LLOG_ORIGIN_CONNECT_NET 0x1301 | |
444 | #define OBD_FAIL_LLOG_ORIGIN_HANDLE_CREATE_NET 0x1302 | |
445 | #define OBD_FAIL_LLOG_ORIGIN_HANDLE_DESTROY_NET 0x1303 | |
446 | #define OBD_FAIL_LLOG_ORIGIN_HANDLE_READ_HEADER_NET 0x1304 | |
447 | #define OBD_FAIL_LLOG_ORIGIN_HANDLE_NEXT_BLOCK_NET 0x1305 | |
448 | #define OBD_FAIL_LLOG_ORIGIN_HANDLE_PREV_BLOCK_NET 0x1306 | |
449 | #define OBD_FAIL_LLOG_ORIGIN_HANDLE_WRITE_REC_NET 0x1307 | |
450 | #define OBD_FAIL_LLOG_ORIGIN_HANDLE_CLOSE_NET 0x1308 | |
451 | #define OBD_FAIL_LLOG_CATINFO_NET 0x1309 | |
452 | #define OBD_FAIL_MDS_SYNC_CAPA_SL 0x1310 | |
453 | #define OBD_FAIL_SEQ_ALLOC 0x1311 | |
454 | ||
455 | #define OBD_FAIL_LLITE 0x1400 | |
456 | #define OBD_FAIL_LLITE_FAULT_TRUNC_RACE 0x1401 | |
457 | #define OBD_FAIL_LOCK_STATE_WAIT_INTR 0x1402 | |
458 | #define OBD_FAIL_LOV_INIT 0x1403 | |
459 | #define OBD_FAIL_GLIMPSE_DELAY 0x1404 | |
460 | ||
461 | #define OBD_FAIL_FID_INDIR 0x1501 | |
462 | #define OBD_FAIL_FID_INLMA 0x1502 | |
463 | #define OBD_FAIL_FID_IGIF 0x1504 | |
464 | #define OBD_FAIL_FID_LOOKUP 0x1505 | |
465 | #define OBD_FAIL_FID_NOLMA 0x1506 | |
466 | ||
467 | /* LFSCK */ | |
468 | #define OBD_FAIL_LFSCK_DELAY1 0x1600 | |
469 | #define OBD_FAIL_LFSCK_DELAY2 0x1601 | |
470 | #define OBD_FAIL_LFSCK_DELAY3 0x1602 | |
471 | #define OBD_FAIL_LFSCK_LINKEA_CRASH 0x1603 | |
472 | #define OBD_FAIL_LFSCK_LINKEA_MORE 0x1604 | |
c6c9f60d | 473 | #define OBD_FAIL_LFSCK_LINKEA_MORE2 0x1605 |
d7e09d03 PT |
474 | #define OBD_FAIL_LFSCK_FATAL1 0x1608 |
475 | #define OBD_FAIL_LFSCK_FATAL2 0x1609 | |
476 | #define OBD_FAIL_LFSCK_CRASH 0x160a | |
477 | #define OBD_FAIL_LFSCK_NO_AUTO 0x160b | |
478 | #define OBD_FAIL_LFSCK_NO_DOUBLESCAN 0x160c | |
479 | ||
480 | /* UPDATE */ | |
481 | #define OBD_FAIL_UPDATE_OBJ_NET 0x1700 | |
482 | #define OBD_FAIL_UPDATE_OBJ_NET_REP 0x1701 | |
483 | ||
484 | ||
485 | /* Assign references to moved code to reduce code changes */ | |
486 | #define OBD_FAIL_PRECHECK(id) CFS_FAIL_PRECHECK(id) | |
487 | #define OBD_FAIL_CHECK(id) CFS_FAIL_CHECK(id) | |
488 | #define OBD_FAIL_CHECK_VALUE(id, value) CFS_FAIL_CHECK_VALUE(id, value) | |
489 | #define OBD_FAIL_CHECK_ORSET(id, value) CFS_FAIL_CHECK_ORSET(id, value) | |
490 | #define OBD_FAIL_CHECK_RESET(id, value) CFS_FAIL_CHECK_RESET(id, value) | |
491 | #define OBD_FAIL_RETURN(id, ret) CFS_FAIL_RETURN(id, ret) | |
492 | #define OBD_FAIL_TIMEOUT(id, secs) CFS_FAIL_TIMEOUT(id, secs) | |
493 | #define OBD_FAIL_TIMEOUT_MS(id, ms) CFS_FAIL_TIMEOUT_MS(id, ms) | |
494 | #define OBD_FAIL_TIMEOUT_ORSET(id, value, secs) CFS_FAIL_TIMEOUT_ORSET(id, value, secs) | |
495 | #define OBD_RACE(id) CFS_RACE(id) | |
496 | #define OBD_FAIL_ONCE CFS_FAIL_ONCE | |
497 | #define OBD_FAILED CFS_FAILED | |
498 | ||
499 | extern atomic_t libcfs_kmemory; | |
500 | ||
501 | #ifdef LPROCFS | |
502 | #define obd_memory_add(size) \ | |
503 | lprocfs_counter_add(obd_memory, OBD_MEMORY_STAT, (long)(size)) | |
504 | #define obd_memory_sub(size) \ | |
505 | lprocfs_counter_sub(obd_memory, OBD_MEMORY_STAT, (long)(size)) | |
506 | #define obd_memory_sum() \ | |
507 | lprocfs_stats_collector(obd_memory, OBD_MEMORY_STAT, \ | |
508 | LPROCFS_FIELDS_FLAGS_SUM) | |
509 | #define obd_pages_add(order) \ | |
510 | lprocfs_counter_add(obd_memory, OBD_MEMORY_PAGES_STAT, \ | |
511 | (long)(1 << (order))) | |
512 | #define obd_pages_sub(order) \ | |
513 | lprocfs_counter_sub(obd_memory, OBD_MEMORY_PAGES_STAT, \ | |
514 | (long)(1 << (order))) | |
515 | #define obd_pages_sum() \ | |
516 | lprocfs_stats_collector(obd_memory, OBD_MEMORY_PAGES_STAT, \ | |
517 | LPROCFS_FIELDS_FLAGS_SUM) | |
518 | ||
519 | extern void obd_update_maxusage(void); | |
520 | extern __u64 obd_memory_max(void); | |
521 | extern __u64 obd_pages_max(void); | |
522 | ||
523 | #else | |
524 | ||
525 | extern __u64 obd_alloc; | |
526 | extern __u64 obd_pages; | |
527 | ||
528 | extern __u64 obd_max_alloc; | |
529 | extern __u64 obd_max_pages; | |
530 | ||
531 | static inline void obd_memory_add(long size) | |
532 | { | |
533 | obd_alloc += size; | |
534 | if (obd_alloc > obd_max_alloc) | |
535 | obd_max_alloc = obd_alloc; | |
536 | } | |
537 | ||
538 | static inline void obd_memory_sub(long size) | |
539 | { | |
540 | obd_alloc -= size; | |
541 | } | |
542 | ||
543 | static inline void obd_pages_add(int order) | |
544 | { | |
545 | obd_pages += 1<< order; | |
546 | if (obd_pages > obd_max_pages) | |
547 | obd_max_pages = obd_pages; | |
548 | } | |
549 | ||
550 | static inline void obd_pages_sub(int order) | |
551 | { | |
552 | obd_pages -= 1<< order; | |
553 | } | |
554 | ||
555 | #define obd_memory_sum() (obd_alloc) | |
556 | #define obd_pages_sum() (obd_pages) | |
557 | ||
558 | #define obd_memory_max() (obd_max_alloc) | |
559 | #define obd_pages_max() (obd_max_pages) | |
560 | ||
561 | #endif | |
562 | ||
563 | #define OBD_DEBUG_MEMUSAGE (1) | |
564 | ||
565 | #if OBD_DEBUG_MEMUSAGE | |
566 | #define OBD_ALLOC_POST(ptr, size, name) \ | |
567 | obd_memory_add(size); \ | |
568 | CDEBUG(D_MALLOC, name " '" #ptr "': %d at %p.\n", \ | |
569 | (int)(size), ptr) | |
570 | ||
571 | #define OBD_FREE_PRE(ptr, size, name) \ | |
572 | LASSERT(ptr); \ | |
573 | obd_memory_sub(size); \ | |
574 | CDEBUG(D_MALLOC, name " '" #ptr "': %d at %p.\n", \ | |
575 | (int)(size), ptr); \ | |
576 | POISON(ptr, 0x5a, size) | |
577 | ||
578 | #else /* !OBD_DEBUG_MEMUSAGE */ | |
579 | ||
580 | #define OBD_ALLOC_POST(ptr, size, name) ((void)0) | |
581 | #define OBD_FREE_PRE(ptr, size, name) ((void)0) | |
582 | ||
583 | #endif /* !OBD_DEBUG_MEMUSAGE */ | |
584 | ||
585 | #define HAS_FAIL_ALLOC_FLAG OBD_FAIL_CHECK(OBD_FAIL_GENERAL_ALLOC) | |
586 | ||
587 | #define OBD_ALLOC_FAIL_BITS 24 | |
588 | #define OBD_ALLOC_FAIL_MASK ((1 << OBD_ALLOC_FAIL_BITS) - 1) | |
589 | #define OBD_ALLOC_FAIL_MULT (OBD_ALLOC_FAIL_MASK / 100) | |
590 | ||
591 | #if defined(LUSTRE_UTILS) /* this version is for utils only */ | |
592 | #define __OBD_MALLOC_VERBOSE(ptr, cptab, cpt, size, flags) \ | |
593 | do { \ | |
594 | (ptr) = (cptab) == NULL ? \ | |
595 | kmalloc(size, flags) : \ | |
49c02a75 | 596 | kmalloc_node(size, flags, cfs_cpt_spread_node(cptab, cpt)); \ |
d7e09d03 PT |
597 | if (unlikely((ptr) == NULL)) { \ |
598 | CERROR("kmalloc of '" #ptr "' (%d bytes) failed at %s:%d\n", \ | |
599 | (int)(size), __FILE__, __LINE__); \ | |
600 | } else { \ | |
601 | memset(ptr, 0, size); \ | |
602 | CDEBUG(D_MALLOC, "kmalloced '" #ptr "': %d at %p\n", \ | |
603 | (int)(size), ptr); \ | |
604 | } \ | |
605 | } while (0) | |
606 | ||
607 | #else /* this version is for the kernel and liblustre */ | |
608 | #define OBD_FREE_RTN0(ptr) \ | |
609 | ({ \ | |
610 | kfree(ptr); \ | |
611 | (ptr) = NULL; \ | |
612 | 0; \ | |
613 | }) | |
614 | ||
615 | #define __OBD_MALLOC_VERBOSE(ptr, cptab, cpt, size, flags) \ | |
616 | do { \ | |
617 | (ptr) = (cptab) == NULL ? \ | |
49c02a75 PT |
618 | kmalloc(size, flags | __GFP_ZERO) : \ |
619 | kmalloc_node(size, flags | __GFP_ZERO, \ | |
620 | cfs_cpt_spread_node(cptab, cpt)); \ | |
d7e09d03 PT |
621 | if (likely((ptr) != NULL && \ |
622 | (!HAS_FAIL_ALLOC_FLAG || obd_alloc_fail_rate == 0 || \ | |
623 | !obd_alloc_fail(ptr, #ptr, "km", size, \ | |
624 | __FILE__, __LINE__) || \ | |
625 | OBD_FREE_RTN0(ptr)))){ \ | |
d7e09d03 PT |
626 | OBD_ALLOC_POST(ptr, size, "kmalloced"); \ |
627 | } \ | |
628 | } while (0) | |
629 | #endif | |
630 | ||
631 | #define OBD_ALLOC_GFP(ptr, size, gfp_mask) \ | |
632 | __OBD_MALLOC_VERBOSE(ptr, NULL, 0, size, gfp_mask) | |
633 | ||
634 | #define OBD_ALLOC(ptr, size) OBD_ALLOC_GFP(ptr, size, __GFP_IO) | |
635 | #define OBD_ALLOC_WAIT(ptr, size) OBD_ALLOC_GFP(ptr, size, GFP_IOFS) | |
636 | #define OBD_ALLOC_PTR(ptr) OBD_ALLOC(ptr, sizeof *(ptr)) | |
637 | #define OBD_ALLOC_PTR_WAIT(ptr) OBD_ALLOC_WAIT(ptr, sizeof *(ptr)) | |
638 | ||
639 | #define OBD_CPT_ALLOC_GFP(ptr, cptab, cpt, size, gfp_mask) \ | |
640 | __OBD_MALLOC_VERBOSE(ptr, cptab, cpt, size, gfp_mask) | |
641 | ||
642 | #define OBD_CPT_ALLOC(ptr, cptab, cpt, size) \ | |
643 | OBD_CPT_ALLOC_GFP(ptr, cptab, cpt, size, __GFP_IO) | |
644 | ||
645 | #define OBD_CPT_ALLOC_PTR(ptr, cptab, cpt) \ | |
646 | OBD_CPT_ALLOC(ptr, cptab, cpt, sizeof *(ptr)) | |
647 | ||
648 | # define __OBD_VMALLOC_VEROBSE(ptr, cptab, cpt, size) \ | |
649 | do { \ | |
650 | (ptr) = cptab == NULL ? \ | |
49c02a75 PT |
651 | vzalloc(size) : \ |
652 | vzalloc_node(size, cfs_cpt_spread_node(cptab, cpt)); \ | |
d7e09d03 PT |
653 | if (unlikely((ptr) == NULL)) { \ |
654 | CERROR("vmalloc of '" #ptr "' (%d bytes) failed\n", \ | |
655 | (int)(size)); \ | |
656 | CERROR(LPU64" total bytes allocated by Lustre, %d by LNET\n", \ | |
657 | obd_memory_sum(), atomic_read(&libcfs_kmemory)); \ | |
658 | } else { \ | |
d7e09d03 PT |
659 | OBD_ALLOC_POST(ptr, size, "vmalloced"); \ |
660 | } \ | |
661 | } while(0) | |
662 | ||
663 | # define OBD_VMALLOC(ptr, size) \ | |
664 | __OBD_VMALLOC_VEROBSE(ptr, NULL, 0, size) | |
665 | # define OBD_CPT_VMALLOC(ptr, cptab, cpt, size) \ | |
666 | __OBD_VMALLOC_VEROBSE(ptr, cptab, cpt, size) | |
667 | ||
668 | ||
669 | /* Allocations above this size are considered too big and could not be done | |
670 | * atomically. | |
671 | * | |
672 | * Be very careful when changing this value, especially when decreasing it, | |
673 | * since vmalloc in Linux doesn't perform well on multi-cores system, calling | |
674 | * vmalloc in critical path would hurt peformance badly. See LU-66. | |
675 | */ | |
676 | #define OBD_ALLOC_BIG (4 * PAGE_CACHE_SIZE) | |
677 | ||
678 | #define OBD_ALLOC_LARGE(ptr, size) \ | |
679 | do { \ | |
680 | if (size > OBD_ALLOC_BIG) \ | |
681 | OBD_VMALLOC(ptr, size); \ | |
682 | else \ | |
683 | OBD_ALLOC(ptr, size); \ | |
684 | } while (0) | |
685 | ||
686 | #define OBD_CPT_ALLOC_LARGE(ptr, cptab, cpt, size) \ | |
687 | do { \ | |
688 | if (size > OBD_ALLOC_BIG) \ | |
689 | OBD_CPT_VMALLOC(ptr, cptab, cpt, size); \ | |
690 | else \ | |
691 | OBD_CPT_ALLOC(ptr, cptab, cpt, size); \ | |
692 | } while (0) | |
693 | ||
694 | #define OBD_FREE_LARGE(ptr, size) \ | |
695 | do { \ | |
696 | if (size > OBD_ALLOC_BIG) \ | |
697 | OBD_VFREE(ptr, size); \ | |
698 | else \ | |
699 | OBD_FREE(ptr, size); \ | |
700 | } while (0) | |
701 | ||
702 | ||
703 | #ifdef CONFIG_DEBUG_SLAB | |
704 | #define POISON(ptr, c, s) do {} while (0) | |
705 | #define POISON_PTR(ptr) ((void)0) | |
706 | #else | |
707 | #define POISON(ptr, c, s) memset(ptr, c, s) | |
708 | #define POISON_PTR(ptr) (ptr) = (void *)0xdeadbeef | |
709 | #endif | |
710 | ||
711 | #ifdef POISON_BULK | |
712 | #define POISON_PAGE(page, val) do { memset(kmap(page), val, PAGE_CACHE_SIZE); \ | |
713 | kunmap(page); } while (0) | |
714 | #else | |
715 | #define POISON_PAGE(page, val) do { } while (0) | |
716 | #endif | |
717 | ||
718 | #define OBD_FREE(ptr, size) \ | |
719 | do { \ | |
720 | OBD_FREE_PRE(ptr, size, "kfreed"); \ | |
721 | kfree(ptr); \ | |
722 | POISON_PTR(ptr); \ | |
723 | } while(0) | |
724 | ||
725 | ||
726 | #define OBD_FREE_RCU(ptr, size, handle) \ | |
727 | do { \ | |
728 | struct portals_handle *__h = (handle); \ | |
729 | \ | |
730 | LASSERT(handle != NULL); \ | |
731 | __h->h_cookie = (unsigned long)(ptr); \ | |
732 | __h->h_size = (size); \ | |
733 | call_rcu(&__h->h_rcu, class_handle_free_cb); \ | |
734 | POISON_PTR(ptr); \ | |
735 | } while(0) | |
736 | ||
737 | ||
738 | #define OBD_VFREE(ptr, size) \ | |
739 | do { \ | |
740 | OBD_FREE_PRE(ptr, size, "vfreed"); \ | |
741 | vfree(ptr); \ | |
742 | POISON_PTR(ptr); \ | |
743 | } while (0) | |
744 | ||
745 | /* we memset() the slab object to 0 when allocation succeeds, so DO NOT | |
746 | * HAVE A CTOR THAT DOES ANYTHING. its work will be cleared here. we'd | |
747 | * love to assert on that, but slab.c keeps kmem_cache_s all to itself. */ | |
748 | #define OBD_SLAB_FREE_RTN0(ptr, slab) \ | |
749 | ({ \ | |
750 | kmem_cache_free((slab), (ptr)); \ | |
751 | (ptr) = NULL; \ | |
752 | 0; \ | |
753 | }) | |
754 | ||
755 | #define __OBD_SLAB_ALLOC_VERBOSE(ptr, slab, cptab, cpt, size, type) \ | |
756 | do { \ | |
757 | LASSERT(ergo((type) != GFP_ATOMIC, !in_interrupt())); \ | |
758 | (ptr) = (cptab) == NULL ? \ | |
49c02a75 PT |
759 | kmem_cache_alloc(slab, type | __GFP_ZERO) : \ |
760 | kmem_cache_alloc_node(slab, type | __GFP_ZERO, \ | |
761 | cfs_cpt_spread_node(cptab, cpt)); \ | |
d7e09d03 PT |
762 | if (likely((ptr) != NULL && \ |
763 | (!HAS_FAIL_ALLOC_FLAG || obd_alloc_fail_rate == 0 || \ | |
764 | !obd_alloc_fail(ptr, #ptr, "slab-", size, \ | |
765 | __FILE__, __LINE__) || \ | |
766 | OBD_SLAB_FREE_RTN0(ptr, slab)))) { \ | |
d7e09d03 PT |
767 | OBD_ALLOC_POST(ptr, size, "slab-alloced"); \ |
768 | } \ | |
769 | } while(0) | |
770 | ||
771 | #define OBD_SLAB_ALLOC_GFP(ptr, slab, size, flags) \ | |
772 | __OBD_SLAB_ALLOC_VERBOSE(ptr, slab, NULL, 0, size, flags) | |
773 | #define OBD_SLAB_CPT_ALLOC_GFP(ptr, slab, cptab, cpt, size, flags) \ | |
774 | __OBD_SLAB_ALLOC_VERBOSE(ptr, slab, cptab, cpt, size, flags) | |
775 | ||
776 | #define OBD_FREE_PTR(ptr) OBD_FREE(ptr, sizeof *(ptr)) | |
777 | ||
778 | #define OBD_SLAB_FREE(ptr, slab, size) \ | |
779 | do { \ | |
780 | OBD_FREE_PRE(ptr, size, "slab-freed"); \ | |
781 | kmem_cache_free(slab, ptr); \ | |
782 | POISON_PTR(ptr); \ | |
783 | } while(0) | |
784 | ||
785 | #define OBD_SLAB_ALLOC(ptr, slab, size) \ | |
786 | OBD_SLAB_ALLOC_GFP(ptr, slab, size, __GFP_IO) | |
787 | ||
788 | #define OBD_SLAB_CPT_ALLOC(ptr, slab, cptab, cpt, size) \ | |
789 | OBD_SLAB_CPT_ALLOC_GFP(ptr, slab, cptab, cpt, size, __GFP_IO) | |
790 | ||
791 | #define OBD_SLAB_ALLOC_PTR(ptr, slab) \ | |
792 | OBD_SLAB_ALLOC(ptr, slab, sizeof *(ptr)) | |
793 | ||
794 | #define OBD_SLAB_CPT_ALLOC_PTR(ptr, slab, cptab, cpt) \ | |
795 | OBD_SLAB_CPT_ALLOC(ptr, slab, cptab, cpt, sizeof *(ptr)) | |
796 | ||
797 | #define OBD_SLAB_ALLOC_PTR_GFP(ptr, slab, flags) \ | |
798 | OBD_SLAB_ALLOC_GFP(ptr, slab, sizeof *(ptr), flags) | |
799 | ||
800 | #define OBD_SLAB_CPT_ALLOC_PTR_GFP(ptr, slab, cptab, cpt, flags) \ | |
801 | OBD_SLAB_CPT_ALLOC_GFP(ptr, slab, cptab, cpt, sizeof *(ptr), flags) | |
802 | ||
803 | #define OBD_SLAB_FREE_PTR(ptr, slab) \ | |
804 | OBD_SLAB_FREE((ptr), (slab), sizeof *(ptr)) | |
805 | ||
806 | #define KEY_IS(str) \ | |
807 | (keylen >= (sizeof(str)-1) && memcmp(key, str, (sizeof(str)-1)) == 0) | |
808 | ||
809 | /* Wrapper for contiguous page frame allocation */ | |
810 | #define __OBD_PAGE_ALLOC_VERBOSE(ptr, cptab, cpt, gfp_mask) \ | |
811 | do { \ | |
812 | (ptr) = (cptab) == NULL ? \ | |
813 | alloc_page(gfp_mask) : \ | |
49c02a75 | 814 | alloc_pages_node(cfs_cpt_spread_node(cptab, cpt), gfp_mask, 0);\ |
d7e09d03 PT |
815 | if (unlikely((ptr) == NULL)) { \ |
816 | CERROR("alloc_pages of '" #ptr "' %d page(s) / "LPU64" bytes "\ | |
817 | "failed\n", (int)1, \ | |
818 | (__u64)(1 << PAGE_CACHE_SHIFT)); \ | |
819 | CERROR(LPU64" total bytes and "LPU64" total pages " \ | |
820 | "("LPU64" bytes) allocated by Lustre, " \ | |
821 | "%d total bytes by LNET\n", \ | |
822 | obd_memory_sum(), \ | |
823 | obd_pages_sum() << PAGE_CACHE_SHIFT, \ | |
824 | obd_pages_sum(), \ | |
825 | atomic_read(&libcfs_kmemory)); \ | |
826 | } else { \ | |
827 | obd_pages_add(0); \ | |
828 | CDEBUG(D_MALLOC, "alloc_pages '" #ptr "': %d page(s) / " \ | |
829 | LPU64" bytes at %p.\n", \ | |
830 | (int)1, \ | |
831 | (__u64)(1 << PAGE_CACHE_SHIFT), ptr); \ | |
832 | } \ | |
833 | } while (0) | |
834 | ||
835 | #define OBD_PAGE_ALLOC(ptr, gfp_mask) \ | |
836 | __OBD_PAGE_ALLOC_VERBOSE(ptr, NULL, 0, gfp_mask) | |
837 | #define OBD_PAGE_CPT_ALLOC(ptr, cptab, cpt, gfp_mask) \ | |
838 | __OBD_PAGE_ALLOC_VERBOSE(ptr, cptab, cpt, gfp_mask) | |
839 | ||
840 | #define OBD_PAGE_FREE(ptr) \ | |
841 | do { \ | |
842 | LASSERT(ptr); \ | |
843 | obd_pages_sub(0); \ | |
844 | CDEBUG(D_MALLOC, "free_pages '" #ptr "': %d page(s) / "LPU64" bytes " \ | |
845 | "at %p.\n", \ | |
846 | (int)1, (__u64)(1 << PAGE_CACHE_SHIFT), \ | |
847 | ptr); \ | |
848 | __free_page(ptr); \ | |
849 | (ptr) = (void *)0xdeadbeef; \ | |
850 | } while (0) | |
851 | ||
852 | #endif |