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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 | * lustre/include/lprocfs_status.h | |
37 | * | |
38 | * Top level header file for LProc SNMP | |
39 | * | |
40 | * Author: Hariharan Thantry thantry@users.sourceforge.net | |
41 | */ | |
42 | #ifndef _LPROCFS_SNMP_H | |
43 | #define _LPROCFS_SNMP_H | |
44 | ||
45 | #include <linux/lprocfs_status.h> | |
46 | #include <lustre/lustre_idl.h> | |
9fdaf8c0 | 47 | #include "../../include/linux/libcfs/params_tree.h" |
d7e09d03 PT |
48 | |
49 | struct lprocfs_vars { | |
73bb1da6 PT |
50 | const char *name; |
51 | struct file_operations *fops; | |
52 | void *data; | |
d7e09d03 PT |
53 | /** |
54 | * /proc file mode. | |
55 | */ | |
3de91f92 | 56 | umode_t proc_mode; |
d7e09d03 PT |
57 | }; |
58 | ||
59 | struct lprocfs_static_vars { | |
60 | struct lprocfs_vars *module_vars; | |
61 | struct lprocfs_vars *obd_vars; | |
62 | }; | |
63 | ||
64 | /* if we find more consumers this could be generalized */ | |
65 | #define OBD_HIST_MAX 32 | |
66 | struct obd_histogram { | |
67 | spinlock_t oh_lock; | |
68 | unsigned long oh_buckets[OBD_HIST_MAX]; | |
69 | }; | |
70 | ||
71 | enum { | |
72 | BRW_R_PAGES = 0, | |
73 | BRW_W_PAGES, | |
74 | BRW_R_RPC_HIST, | |
75 | BRW_W_RPC_HIST, | |
76 | BRW_R_IO_TIME, | |
77 | BRW_W_IO_TIME, | |
78 | BRW_R_DISCONT_PAGES, | |
79 | BRW_W_DISCONT_PAGES, | |
80 | BRW_R_DISCONT_BLOCKS, | |
81 | BRW_W_DISCONT_BLOCKS, | |
82 | BRW_R_DISK_IOSIZE, | |
83 | BRW_W_DISK_IOSIZE, | |
84 | BRW_R_DIO_FRAGS, | |
85 | BRW_W_DIO_FRAGS, | |
86 | BRW_LAST, | |
87 | }; | |
88 | ||
89 | struct brw_stats { | |
90 | struct obd_histogram hist[BRW_LAST]; | |
91 | }; | |
92 | ||
93 | enum { | |
94 | RENAME_SAMEDIR_SIZE = 0, | |
95 | RENAME_CROSSDIR_SRC_SIZE, | |
96 | RENAME_CROSSDIR_TGT_SIZE, | |
97 | RENAME_LAST, | |
98 | }; | |
99 | ||
100 | struct rename_stats { | |
101 | struct obd_histogram hist[RENAME_LAST]; | |
102 | }; | |
103 | ||
104 | /* An lprocfs counter can be configured using the enum bit masks below. | |
105 | * | |
106 | * LPROCFS_CNTR_EXTERNALLOCK indicates that an external lock already | |
107 | * protects this counter from concurrent updates. If not specified, | |
108 | * lprocfs an internal per-counter lock variable. External locks are | |
109 | * not used to protect counter increments, but are used to protect | |
110 | * counter readout and resets. | |
111 | * | |
112 | * LPROCFS_CNTR_AVGMINMAX indicates a multi-valued counter samples, | |
113 | * (i.e. counter can be incremented by more than "1"). When specified, | |
114 | * the counter maintains min, max and sum in addition to a simple | |
115 | * invocation count. This allows averages to be be computed. | |
116 | * If not specified, the counter is an increment-by-1 counter. | |
117 | * min, max, sum, etc. are not maintained. | |
118 | * | |
119 | * LPROCFS_CNTR_STDDEV indicates that the counter should track sum of | |
120 | * squares (for multi-valued counter samples only). This allows | |
121 | * external computation of standard deviation, but involves a 64-bit | |
122 | * multiply per counter increment. | |
123 | */ | |
124 | ||
125 | enum { | |
126 | LPROCFS_CNTR_EXTERNALLOCK = 0x0001, | |
127 | LPROCFS_CNTR_AVGMINMAX = 0x0002, | |
128 | LPROCFS_CNTR_STDDEV = 0x0004, | |
129 | ||
130 | /* counter data type */ | |
131 | LPROCFS_TYPE_REGS = 0x0100, | |
132 | LPROCFS_TYPE_BYTES = 0x0200, | |
133 | LPROCFS_TYPE_PAGES = 0x0400, | |
134 | LPROCFS_TYPE_CYCLE = 0x0800, | |
135 | }; | |
136 | ||
137 | #define LC_MIN_INIT ((~(__u64)0) >> 1) | |
138 | ||
139 | struct lprocfs_counter_header { | |
140 | unsigned int lc_config; | |
141 | const char *lc_name; /* must be static */ | |
142 | const char *lc_units; /* must be static */ | |
143 | }; | |
144 | ||
145 | struct lprocfs_counter { | |
146 | __s64 lc_count; | |
147 | __s64 lc_min; | |
148 | __s64 lc_max; | |
149 | __s64 lc_sumsquare; | |
150 | /* | |
151 | * Every counter has lc_array_sum[0], while lc_array_sum[1] is only | |
152 | * for irq context counter, i.e. stats with | |
153 | * LPROCFS_STATS_FLAG_IRQ_SAFE flag, its counter need | |
154 | * lc_array_sum[1] | |
155 | */ | |
156 | __s64 lc_array_sum[1]; | |
157 | }; | |
158 | #define lc_sum lc_array_sum[0] | |
159 | #define lc_sum_irq lc_array_sum[1] | |
160 | ||
161 | struct lprocfs_percpu { | |
162 | #ifndef __GNUC__ | |
163 | __s64 pad; | |
164 | #endif | |
165 | struct lprocfs_counter lp_cntr[0]; | |
166 | }; | |
167 | ||
168 | #define LPROCFS_GET_NUM_CPU 0x0001 | |
169 | #define LPROCFS_GET_SMP_ID 0x0002 | |
170 | ||
171 | enum lprocfs_stats_flags { | |
172 | LPROCFS_STATS_FLAG_NONE = 0x0000, /* per cpu counter */ | |
173 | LPROCFS_STATS_FLAG_NOPERCPU = 0x0001, /* stats have no percpu | |
174 | * area and need locking */ | |
175 | LPROCFS_STATS_FLAG_IRQ_SAFE = 0x0002, /* alloc need irq safe */ | |
176 | }; | |
177 | ||
178 | enum lprocfs_fields_flags { | |
179 | LPROCFS_FIELDS_FLAGS_CONFIG = 0x0001, | |
180 | LPROCFS_FIELDS_FLAGS_SUM = 0x0002, | |
181 | LPROCFS_FIELDS_FLAGS_MIN = 0x0003, | |
182 | LPROCFS_FIELDS_FLAGS_MAX = 0x0004, | |
183 | LPROCFS_FIELDS_FLAGS_AVG = 0x0005, | |
184 | LPROCFS_FIELDS_FLAGS_SUMSQUARE = 0x0006, | |
185 | LPROCFS_FIELDS_FLAGS_COUNT = 0x0007, | |
186 | }; | |
187 | ||
188 | struct lprocfs_stats { | |
189 | /* # of counters */ | |
190 | unsigned short ls_num; | |
191 | /* 1 + the biggest cpu # whose ls_percpu slot has been allocated */ | |
192 | unsigned short ls_biggest_alloc_num; | |
193 | enum lprocfs_stats_flags ls_flags; | |
194 | /* Lock used when there are no percpu stats areas; For percpu stats, | |
195 | * it is used to protect ls_biggest_alloc_num change */ | |
196 | spinlock_t ls_lock; | |
197 | ||
198 | /* has ls_num of counter headers */ | |
199 | struct lprocfs_counter_header *ls_cnt_header; | |
200 | struct lprocfs_percpu *ls_percpu[0]; | |
201 | }; | |
202 | ||
203 | #define OPC_RANGE(seg) (seg ## _LAST_OPC - seg ## _FIRST_OPC) | |
204 | ||
205 | /* Pack all opcodes down into a single monotonically increasing index */ | |
206 | static inline int opcode_offset(__u32 opc) { | |
207 | if (opc < OST_LAST_OPC) { | |
208 | /* OST opcode */ | |
209 | return (opc - OST_FIRST_OPC); | |
210 | } else if (opc < MDS_LAST_OPC) { | |
211 | /* MDS opcode */ | |
212 | return (opc - MDS_FIRST_OPC + | |
213 | OPC_RANGE(OST)); | |
214 | } else if (opc < LDLM_LAST_OPC) { | |
215 | /* LDLM Opcode */ | |
216 | return (opc - LDLM_FIRST_OPC + | |
217 | OPC_RANGE(MDS) + | |
218 | OPC_RANGE(OST)); | |
219 | } else if (opc < MGS_LAST_OPC) { | |
220 | /* MGS Opcode */ | |
221 | return (opc - MGS_FIRST_OPC + | |
222 | OPC_RANGE(LDLM) + | |
223 | OPC_RANGE(MDS) + | |
224 | OPC_RANGE(OST)); | |
225 | } else if (opc < OBD_LAST_OPC) { | |
226 | /* OBD Ping */ | |
227 | return (opc - OBD_FIRST_OPC + | |
228 | OPC_RANGE(MGS) + | |
229 | OPC_RANGE(LDLM) + | |
230 | OPC_RANGE(MDS) + | |
231 | OPC_RANGE(OST)); | |
232 | } else if (opc < LLOG_LAST_OPC) { | |
233 | /* LLOG Opcode */ | |
234 | return (opc - LLOG_FIRST_OPC + | |
235 | OPC_RANGE(OBD) + | |
236 | OPC_RANGE(MGS) + | |
237 | OPC_RANGE(LDLM) + | |
238 | OPC_RANGE(MDS) + | |
239 | OPC_RANGE(OST)); | |
240 | } else if (opc < QUOTA_LAST_OPC) { | |
241 | /* LQUOTA Opcode */ | |
242 | return (opc - QUOTA_FIRST_OPC + | |
243 | OPC_RANGE(LLOG) + | |
244 | OPC_RANGE(OBD) + | |
245 | OPC_RANGE(MGS) + | |
246 | OPC_RANGE(LDLM) + | |
247 | OPC_RANGE(MDS) + | |
248 | OPC_RANGE(OST)); | |
249 | } else if (opc < SEQ_LAST_OPC) { | |
250 | /* SEQ opcode */ | |
251 | return (opc - SEQ_FIRST_OPC + | |
252 | OPC_RANGE(QUOTA) + | |
253 | OPC_RANGE(LLOG) + | |
254 | OPC_RANGE(OBD) + | |
255 | OPC_RANGE(MGS) + | |
256 | OPC_RANGE(LDLM) + | |
257 | OPC_RANGE(MDS) + | |
258 | OPC_RANGE(OST)); | |
259 | } else if (opc < SEC_LAST_OPC) { | |
260 | /* SEC opcode */ | |
261 | return (opc - SEC_FIRST_OPC + | |
262 | OPC_RANGE(SEQ) + | |
263 | OPC_RANGE(QUOTA) + | |
264 | OPC_RANGE(LLOG) + | |
265 | OPC_RANGE(OBD) + | |
266 | OPC_RANGE(MGS) + | |
267 | OPC_RANGE(LDLM) + | |
268 | OPC_RANGE(MDS) + | |
269 | OPC_RANGE(OST)); | |
270 | } else if (opc < FLD_LAST_OPC) { | |
271 | /* FLD opcode */ | |
272 | return (opc - FLD_FIRST_OPC + | |
273 | OPC_RANGE(SEC) + | |
274 | OPC_RANGE(SEQ) + | |
275 | OPC_RANGE(QUOTA) + | |
276 | OPC_RANGE(LLOG) + | |
277 | OPC_RANGE(OBD) + | |
278 | OPC_RANGE(MGS) + | |
279 | OPC_RANGE(LDLM) + | |
280 | OPC_RANGE(MDS) + | |
281 | OPC_RANGE(OST)); | |
282 | } else if (opc < UPDATE_LAST_OPC) { | |
283 | /* update opcode */ | |
284 | return (opc - UPDATE_FIRST_OPC + | |
285 | OPC_RANGE(FLD) + | |
286 | OPC_RANGE(SEC) + | |
287 | OPC_RANGE(SEQ) + | |
288 | OPC_RANGE(QUOTA) + | |
289 | OPC_RANGE(LLOG) + | |
290 | OPC_RANGE(OBD) + | |
291 | OPC_RANGE(MGS) + | |
292 | OPC_RANGE(LDLM) + | |
293 | OPC_RANGE(MDS) + | |
294 | OPC_RANGE(OST)); | |
295 | } else { | |
296 | /* Unknown Opcode */ | |
297 | return -1; | |
298 | } | |
299 | } | |
300 | ||
301 | ||
302 | #define LUSTRE_MAX_OPCODES (OPC_RANGE(OST) + \ | |
303 | OPC_RANGE(MDS) + \ | |
304 | OPC_RANGE(LDLM) + \ | |
305 | OPC_RANGE(MGS) + \ | |
306 | OPC_RANGE(OBD) + \ | |
307 | OPC_RANGE(LLOG) + \ | |
308 | OPC_RANGE(SEC) + \ | |
309 | OPC_RANGE(SEQ) + \ | |
310 | OPC_RANGE(SEC) + \ | |
311 | OPC_RANGE(FLD) + \ | |
312 | OPC_RANGE(UPDATE)) | |
313 | ||
314 | #define EXTRA_MAX_OPCODES ((PTLRPC_LAST_CNTR - PTLRPC_FIRST_CNTR) + \ | |
315 | OPC_RANGE(EXTRA)) | |
316 | ||
317 | enum { | |
318 | PTLRPC_REQWAIT_CNTR = 0, | |
319 | PTLRPC_REQQDEPTH_CNTR, | |
320 | PTLRPC_REQACTIVE_CNTR, | |
321 | PTLRPC_TIMEOUT, | |
322 | PTLRPC_REQBUF_AVAIL_CNTR, | |
323 | PTLRPC_LAST_CNTR | |
324 | }; | |
325 | ||
326 | #define PTLRPC_FIRST_CNTR PTLRPC_REQWAIT_CNTR | |
327 | ||
328 | enum { | |
329 | LDLM_GLIMPSE_ENQUEUE = 0, | |
330 | LDLM_PLAIN_ENQUEUE, | |
331 | LDLM_EXTENT_ENQUEUE, | |
332 | LDLM_FLOCK_ENQUEUE, | |
333 | LDLM_IBITS_ENQUEUE, | |
334 | MDS_REINT_SETATTR, | |
335 | MDS_REINT_CREATE, | |
336 | MDS_REINT_LINK, | |
337 | MDS_REINT_UNLINK, | |
338 | MDS_REINT_RENAME, | |
339 | MDS_REINT_OPEN, | |
340 | MDS_REINT_SETXATTR, | |
341 | BRW_READ_BYTES, | |
342 | BRW_WRITE_BYTES, | |
343 | EXTRA_LAST_OPC | |
344 | }; | |
345 | ||
346 | #define EXTRA_FIRST_OPC LDLM_GLIMPSE_ENQUEUE | |
347 | /* class_obd.c */ | |
b59fe845 | 348 | extern struct proc_dir_entry *proc_lustre_root; |
d7e09d03 PT |
349 | |
350 | struct obd_device; | |
351 | struct obd_histogram; | |
352 | ||
353 | /* Days / hours / mins / seconds format */ | |
354 | struct dhms { | |
355 | int d,h,m,s; | |
356 | }; | |
357 | static inline void s2dhms(struct dhms *ts, time_t secs) | |
358 | { | |
359 | ts->d = secs / 86400; | |
360 | secs = secs % 86400; | |
361 | ts->h = secs / 3600; | |
362 | secs = secs % 3600; | |
363 | ts->m = secs / 60; | |
364 | ts->s = secs % 60; | |
365 | } | |
366 | #define DHMS_FMT "%dd%dh%02dm%02ds" | |
367 | #define DHMS_VARS(x) (x)->d, (x)->h, (x)->m, (x)->s | |
368 | ||
369 | #define JOBSTATS_JOBID_VAR_MAX_LEN 20 | |
370 | #define JOBSTATS_DISABLE "disable" | |
371 | #define JOBSTATS_PROCNAME_UID "procname_uid" | |
76133e66 | 372 | #define JOBSTATS_NODELOCAL "nodelocal" |
d7e09d03 | 373 | |
2c185ffa PT |
374 | extern int lprocfs_write_frac_helper(const char *buffer, unsigned long count, |
375 | int *val, int mult); | |
376 | extern int lprocfs_read_frac_helper(char *buffer, unsigned long count, | |
377 | long val, int mult); | |
d7e09d03 PT |
378 | #ifdef LPROCFS |
379 | ||
380 | extern int lprocfs_stats_alloc_one(struct lprocfs_stats *stats, | |
381 | unsigned int cpuid); | |
382 | /* | |
383 | * \return value | |
384 | * < 0 : on error (only possible for opc as LPROCFS_GET_SMP_ID) | |
385 | */ | |
386 | static inline int lprocfs_stats_lock(struct lprocfs_stats *stats, int opc, | |
387 | unsigned long *flags) | |
388 | { | |
389 | int rc = 0; | |
390 | ||
391 | switch (opc) { | |
392 | default: | |
393 | LBUG(); | |
394 | ||
395 | case LPROCFS_GET_SMP_ID: | |
396 | if (stats->ls_flags & LPROCFS_STATS_FLAG_NOPERCPU) { | |
397 | if (stats->ls_flags & LPROCFS_STATS_FLAG_IRQ_SAFE) | |
398 | spin_lock_irqsave(&stats->ls_lock, *flags); | |
399 | else | |
400 | spin_lock(&stats->ls_lock); | |
401 | return 0; | |
402 | } else { | |
403 | unsigned int cpuid = get_cpu(); | |
404 | ||
405 | if (unlikely(stats->ls_percpu[cpuid] == NULL)) { | |
406 | rc = lprocfs_stats_alloc_one(stats, cpuid); | |
407 | if (rc < 0) { | |
408 | put_cpu(); | |
409 | return rc; | |
410 | } | |
411 | } | |
412 | return cpuid; | |
413 | } | |
414 | ||
415 | case LPROCFS_GET_NUM_CPU: | |
416 | if (stats->ls_flags & LPROCFS_STATS_FLAG_NOPERCPU) { | |
417 | if (stats->ls_flags & LPROCFS_STATS_FLAG_IRQ_SAFE) | |
418 | spin_lock_irqsave(&stats->ls_lock, *flags); | |
419 | else | |
420 | spin_lock(&stats->ls_lock); | |
421 | return 1; | |
422 | } else { | |
423 | return stats->ls_biggest_alloc_num; | |
424 | } | |
425 | } | |
426 | } | |
427 | ||
428 | static inline void lprocfs_stats_unlock(struct lprocfs_stats *stats, int opc, | |
429 | unsigned long *flags) | |
430 | { | |
431 | switch (opc) { | |
432 | default: | |
433 | LBUG(); | |
434 | ||
435 | case LPROCFS_GET_SMP_ID: | |
436 | if (stats->ls_flags & LPROCFS_STATS_FLAG_NOPERCPU) { | |
437 | if (stats->ls_flags & LPROCFS_STATS_FLAG_IRQ_SAFE) { | |
438 | spin_unlock_irqrestore(&stats->ls_lock, | |
439 | *flags); | |
440 | } else { | |
441 | spin_unlock(&stats->ls_lock); | |
442 | } | |
443 | } else { | |
444 | put_cpu(); | |
445 | } | |
446 | return; | |
447 | ||
448 | case LPROCFS_GET_NUM_CPU: | |
449 | if (stats->ls_flags & LPROCFS_STATS_FLAG_NOPERCPU) { | |
450 | if (stats->ls_flags & LPROCFS_STATS_FLAG_IRQ_SAFE) { | |
451 | spin_unlock_irqrestore(&stats->ls_lock, | |
452 | *flags); | |
453 | } else { | |
454 | spin_unlock(&stats->ls_lock); | |
455 | } | |
456 | } | |
457 | return; | |
458 | } | |
459 | } | |
460 | ||
461 | static inline unsigned int | |
462 | lprocfs_stats_counter_size(struct lprocfs_stats *stats) | |
463 | { | |
464 | unsigned int percpusize; | |
465 | ||
466 | percpusize = offsetof(struct lprocfs_percpu, lp_cntr[stats->ls_num]); | |
467 | ||
468 | /* irq safe stats need lc_array_sum[1] */ | |
469 | if ((stats->ls_flags & LPROCFS_STATS_FLAG_IRQ_SAFE) != 0) | |
470 | percpusize += stats->ls_num * sizeof(__s64); | |
471 | ||
472 | if ((stats->ls_flags & LPROCFS_STATS_FLAG_NOPERCPU) == 0) | |
473 | percpusize = L1_CACHE_ALIGN(percpusize); | |
474 | ||
475 | return percpusize; | |
476 | } | |
477 | ||
478 | static inline struct lprocfs_counter * | |
479 | lprocfs_stats_counter_get(struct lprocfs_stats *stats, unsigned int cpuid, | |
480 | int index) | |
481 | { | |
482 | struct lprocfs_counter *cntr; | |
483 | ||
484 | cntr = &stats->ls_percpu[cpuid]->lp_cntr[index]; | |
485 | ||
486 | if ((stats->ls_flags & LPROCFS_STATS_FLAG_IRQ_SAFE) != 0) | |
487 | cntr = (void *)cntr + index * sizeof(__s64); | |
488 | ||
489 | return cntr; | |
490 | } | |
491 | ||
492 | /* Two optimized LPROCFS counter increment functions are provided: | |
493 | * lprocfs_counter_incr(cntr, value) - optimized for by-one counters | |
494 | * lprocfs_counter_add(cntr) - use for multi-valued counters | |
495 | * Counter data layout allows config flag, counter lock and the | |
496 | * count itself to reside within a single cache line. | |
497 | */ | |
498 | ||
499 | extern void lprocfs_counter_add(struct lprocfs_stats *stats, int idx, | |
500 | long amount); | |
501 | extern void lprocfs_counter_sub(struct lprocfs_stats *stats, int idx, | |
502 | long amount); | |
503 | ||
504 | #define lprocfs_counter_incr(stats, idx) \ | |
505 | lprocfs_counter_add(stats, idx, 1) | |
506 | #define lprocfs_counter_decr(stats, idx) \ | |
507 | lprocfs_counter_sub(stats, idx, 1) | |
508 | ||
509 | extern __s64 lprocfs_read_helper(struct lprocfs_counter *lc, | |
510 | struct lprocfs_counter_header *header, | |
511 | enum lprocfs_stats_flags flags, | |
512 | enum lprocfs_fields_flags field); | |
513 | static inline __u64 lprocfs_stats_collector(struct lprocfs_stats *stats, | |
514 | int idx, | |
515 | enum lprocfs_fields_flags field) | |
516 | { | |
517 | int i; | |
518 | unsigned int num_cpu; | |
519 | unsigned long flags = 0; | |
520 | __u64 ret = 0; | |
521 | ||
522 | LASSERT(stats != NULL); | |
523 | ||
524 | num_cpu = lprocfs_stats_lock(stats, LPROCFS_GET_NUM_CPU, &flags); | |
525 | for (i = 0; i < num_cpu; i++) { | |
526 | if (stats->ls_percpu[i] == NULL) | |
527 | continue; | |
528 | ret += lprocfs_read_helper( | |
529 | lprocfs_stats_counter_get(stats, i, idx), | |
530 | &stats->ls_cnt_header[idx], stats->ls_flags, | |
531 | field); | |
532 | } | |
533 | lprocfs_stats_unlock(stats, LPROCFS_GET_NUM_CPU, &flags); | |
534 | return ret; | |
535 | } | |
536 | ||
537 | extern struct lprocfs_stats * | |
538 | lprocfs_alloc_stats(unsigned int num, enum lprocfs_stats_flags flags); | |
539 | extern void lprocfs_clear_stats(struct lprocfs_stats *stats); | |
540 | extern void lprocfs_free_stats(struct lprocfs_stats **stats); | |
541 | extern void lprocfs_init_ops_stats(int num_private_stats, | |
542 | struct lprocfs_stats *stats); | |
543 | extern void lprocfs_init_mps_stats(int num_private_stats, | |
544 | struct lprocfs_stats *stats); | |
545 | extern void lprocfs_init_ldlm_stats(struct lprocfs_stats *ldlm_stats); | |
546 | extern int lprocfs_alloc_obd_stats(struct obd_device *obddev, | |
547 | unsigned int num_private_stats); | |
548 | extern int lprocfs_alloc_md_stats(struct obd_device *obddev, | |
549 | unsigned int num_private_stats); | |
550 | extern void lprocfs_counter_init(struct lprocfs_stats *stats, int index, | |
551 | unsigned conf, const char *name, | |
552 | const char *units); | |
553 | extern void lprocfs_free_obd_stats(struct obd_device *obddev); | |
554 | extern void lprocfs_free_md_stats(struct obd_device *obddev); | |
555 | struct obd_export; | |
556 | struct nid_stat; | |
557 | extern int lprocfs_add_clear_entry(struct obd_device * obd, | |
b59fe845 | 558 | struct proc_dir_entry *entry); |
d7e09d03 PT |
559 | extern int lprocfs_exp_setup(struct obd_export *exp, |
560 | lnet_nid_t *peer_nid, int *newnid); | |
561 | extern int lprocfs_exp_cleanup(struct obd_export *exp); | |
b59fe845 | 562 | extern struct proc_dir_entry *lprocfs_add_simple(struct proc_dir_entry *root, |
d7e09d03 | 563 | char *name, |
d7e09d03 PT |
564 | void *data, |
565 | struct file_operations *fops); | |
566 | extern struct proc_dir_entry * | |
567 | lprocfs_add_symlink(const char *name, struct proc_dir_entry *parent, | |
568 | const char *format, ...); | |
569 | extern void lprocfs_free_per_client_stats(struct obd_device *obd); | |
570 | extern int | |
571 | lprocfs_nid_stats_clear_write(struct file *file, const char *buffer, | |
572 | unsigned long count, void *data); | |
73bb1da6 | 573 | extern int lprocfs_nid_stats_clear_read(struct seq_file *m, void *data); |
d7e09d03 | 574 | |
b59fe845 | 575 | extern int lprocfs_register_stats(struct proc_dir_entry *root, const char *name, |
d7e09d03 PT |
576 | struct lprocfs_stats *stats); |
577 | ||
578 | /* lprocfs_status.c */ | |
b59fe845 | 579 | extern int lprocfs_add_vars(struct proc_dir_entry *root, |
d7e09d03 PT |
580 | struct lprocfs_vars *var, |
581 | void *data); | |
582 | ||
b59fe845 GKH |
583 | extern struct proc_dir_entry *lprocfs_register(const char *name, |
584 | struct proc_dir_entry *parent, | |
d7e09d03 PT |
585 | struct lprocfs_vars *list, |
586 | void *data); | |
587 | ||
b59fe845 | 588 | extern void lprocfs_remove(struct proc_dir_entry **root); |
d7e09d03 PT |
589 | extern void lprocfs_remove_proc_entry(const char *name, |
590 | struct proc_dir_entry *parent); | |
d7e09d03 PT |
591 | |
592 | extern int lprocfs_obd_setup(struct obd_device *obd, struct lprocfs_vars *list); | |
593 | extern int lprocfs_obd_cleanup(struct obd_device *obd); | |
d7e09d03 | 594 | |
b59fe845 | 595 | extern int lprocfs_seq_create(struct proc_dir_entry *parent, const char *name, |
3de91f92 | 596 | umode_t mode, |
d7e09d03 PT |
597 | const struct file_operations *seq_fops, |
598 | void *data); | |
599 | extern int lprocfs_obd_seq_create(struct obd_device *dev, const char *name, | |
3de91f92 | 600 | umode_t mode, |
d7e09d03 PT |
601 | const struct file_operations *seq_fops, |
602 | void *data); | |
603 | ||
604 | /* Generic callbacks */ | |
605 | ||
73bb1da6 PT |
606 | extern int lprocfs_rd_u64(struct seq_file *m, void *data); |
607 | extern int lprocfs_rd_atomic(struct seq_file *m, void *data); | |
d7e09d03 PT |
608 | extern int lprocfs_wr_atomic(struct file *file, const char *buffer, |
609 | unsigned long count, void *data); | |
73bb1da6 | 610 | extern int lprocfs_rd_uint(struct seq_file *m, void *data); |
d7e09d03 PT |
611 | extern int lprocfs_wr_uint(struct file *file, const char *buffer, |
612 | unsigned long count, void *data); | |
73bb1da6 PT |
613 | extern int lprocfs_rd_uuid(struct seq_file *m, void *data); |
614 | extern int lprocfs_rd_name(struct seq_file *m, void *data); | |
615 | extern int lprocfs_rd_server_uuid(struct seq_file *m, void *data); | |
616 | extern int lprocfs_rd_conn_uuid(struct seq_file *m, void *data); | |
617 | extern int lprocfs_rd_import(struct seq_file *m, void *data); | |
618 | extern int lprocfs_rd_state(struct seq_file *m, void *data); | |
619 | extern int lprocfs_rd_connect_flags(struct seq_file *m, void *data); | |
620 | extern int lprocfs_rd_num_exports(struct seq_file *m, void *data); | |
621 | extern int lprocfs_rd_numrefs(struct seq_file *m, void *data); | |
622 | ||
d7e09d03 | 623 | struct adaptive_timeout; |
73bb1da6 | 624 | extern int lprocfs_at_hist_helper(struct seq_file *m, |
d7e09d03 | 625 | struct adaptive_timeout *at); |
73bb1da6 | 626 | extern int lprocfs_rd_timeouts(struct seq_file *m, void *data); |
d7e09d03 PT |
627 | extern int lprocfs_wr_timeouts(struct file *file, const char *buffer, |
628 | unsigned long count, void *data); | |
629 | extern int lprocfs_wr_evict_client(struct file *file, const char *buffer, | |
73bb1da6 | 630 | size_t count, loff_t *off); |
d7e09d03 | 631 | extern int lprocfs_wr_ping(struct file *file, const char *buffer, |
73bb1da6 | 632 | size_t count, loff_t *off); |
d7e09d03 | 633 | extern int lprocfs_wr_import(struct file *file, const char *buffer, |
73bb1da6 PT |
634 | size_t count, loff_t *off); |
635 | extern int lprocfs_rd_pinger_recov(struct seq_file *m, void *n); | |
d7e09d03 | 636 | extern int lprocfs_wr_pinger_recov(struct file *file, const char *buffer, |
73bb1da6 | 637 | size_t count, loff_t *off); |
d7e09d03 PT |
638 | |
639 | /* Statfs helpers */ | |
73bb1da6 PT |
640 | extern int lprocfs_rd_blksize(struct seq_file *m, void *data); |
641 | extern int lprocfs_rd_kbytestotal(struct seq_file *m, void *data); | |
642 | extern int lprocfs_rd_kbytesfree(struct seq_file *m, void *data); | |
643 | extern int lprocfs_rd_kbytesavail(struct seq_file *m, void *data); | |
644 | extern int lprocfs_rd_filestotal(struct seq_file *m, void *data); | |
645 | extern int lprocfs_rd_filesfree(struct seq_file *m, void *data); | |
d7e09d03 PT |
646 | |
647 | extern int lprocfs_write_helper(const char *buffer, unsigned long count, | |
648 | int *val); | |
73bb1da6 | 649 | extern int lprocfs_seq_read_frac_helper(struct seq_file *m, long val, int mult); |
d7e09d03 PT |
650 | extern int lprocfs_write_u64_helper(const char *buffer, unsigned long count, |
651 | __u64 *val); | |
652 | extern int lprocfs_write_frac_u64_helper(const char *buffer, | |
653 | unsigned long count, | |
654 | __u64 *val, int mult); | |
b69835a2 PT |
655 | extern char *lprocfs_find_named_value(const char *buffer, const char *name, |
656 | size_t *count); | |
d7e09d03 PT |
657 | void lprocfs_oh_tally(struct obd_histogram *oh, unsigned int value); |
658 | void lprocfs_oh_tally_log2(struct obd_histogram *oh, unsigned int value); | |
659 | void lprocfs_oh_clear(struct obd_histogram *oh); | |
660 | unsigned long lprocfs_oh_sum(struct obd_histogram *oh); | |
661 | ||
662 | void lprocfs_stats_collect(struct lprocfs_stats *stats, int idx, | |
663 | struct lprocfs_counter *cnt); | |
664 | ||
d7e09d03 PT |
665 | extern int lprocfs_single_release(cfs_inode_t *, struct file *); |
666 | extern int lprocfs_seq_release(cfs_inode_t *, struct file *); | |
667 | ||
668 | /* You must use these macros when you want to refer to | |
669 | * the import in a client obd_device for a lprocfs entry */ | |
670 | #define LPROCFS_CLIMP_CHECK(obd) do { \ | |
671 | typecheck(struct obd_device *, obd); \ | |
672 | down_read(&(obd)->u.cli.cl_sem); \ | |
673 | if ((obd)->u.cli.cl_import == NULL) { \ | |
674 | up_read(&(obd)->u.cli.cl_sem); \ | |
675 | return -ENODEV; \ | |
676 | } \ | |
677 | } while(0) | |
678 | #define LPROCFS_CLIMP_EXIT(obd) \ | |
679 | up_read(&(obd)->u.cli.cl_sem); | |
680 | ||
681 | ||
682 | /* write the name##_seq_show function, call LPROC_SEQ_FOPS_RO for read-only | |
683 | proc entries; otherwise, you will define name##_seq_write function also for | |
684 | a read-write proc entry, and then call LPROC_SEQ_SEQ instead. Finally, | |
685 | call lprocfs_obd_seq_create(obd, filename, 0444, &name#_fops, data); */ | |
73bb1da6 PT |
686 | #define __LPROC_SEQ_FOPS(name, custom_seq_write) \ |
687 | static int name##_single_open(cfs_inode_t *inode, struct file *file) \ | |
688 | { \ | |
689 | return single_open(file, name##_seq_show, PDE_DATA(inode)); \ | |
690 | } \ | |
b9c98cfa | 691 | static struct file_operations name##_fops = { \ |
d7e09d03 PT |
692 | .owner = THIS_MODULE, \ |
693 | .open = name##_single_open, \ | |
694 | .read = seq_read, \ | |
695 | .write = custom_seq_write, \ | |
696 | .llseek = seq_lseek, \ | |
697 | .release = lprocfs_single_release, \ | |
698 | } | |
699 | ||
700 | #define LPROC_SEQ_FOPS_RO(name) __LPROC_SEQ_FOPS(name, NULL) | |
701 | #define LPROC_SEQ_FOPS(name) __LPROC_SEQ_FOPS(name, name##_seq_write) | |
702 | ||
73bb1da6 PT |
703 | #define LPROC_SEQ_FOPS_RO_TYPE(name, type) \ |
704 | static int name##_##type##_seq_show(struct seq_file *m, void *v)\ | |
705 | { \ | |
706 | return lprocfs_rd_##type(m, m->private); \ | |
707 | } \ | |
708 | LPROC_SEQ_FOPS_RO(name##_##type) | |
709 | ||
710 | #define LPROC_SEQ_FOPS_RW_TYPE(name, type) \ | |
711 | static int name##_##type##_seq_show(struct seq_file *m, void *v)\ | |
712 | { \ | |
713 | return lprocfs_rd_##type(m, m->private); \ | |
714 | } \ | |
715 | static ssize_t name##_##type##_seq_write(struct file *file, \ | |
716 | const char *buffer, size_t count, loff_t *off) \ | |
717 | { \ | |
718 | struct seq_file *seq = file->private_data; \ | |
719 | return lprocfs_wr_##type(file, buffer, \ | |
720 | count, seq->private); \ | |
721 | } \ | |
722 | LPROC_SEQ_FOPS(name##_##type); | |
723 | ||
724 | #define LPROC_SEQ_FOPS_WR_ONLY(name, type) \ | |
725 | static ssize_t name##_##type##_write(struct file *file, \ | |
726 | const char *buffer, size_t count, loff_t *off) \ | |
727 | { \ | |
728 | return lprocfs_wr_##type(file, buffer, count, off); \ | |
729 | } \ | |
730 | static int name##_##type##_open(cfs_inode_t *inode, struct file *file) \ | |
731 | { \ | |
732 | return single_open(file, NULL, PDE_DATA(inode)); \ | |
733 | } \ | |
b9c98cfa | 734 | static struct file_operations name##_##type##_fops = { \ |
73bb1da6 PT |
735 | .open = name##_##type##_open, \ |
736 | .write = name##_##type##_write, \ | |
737 | .release = lprocfs_single_release, \ | |
738 | }; | |
739 | ||
d7e09d03 PT |
740 | /* lproc_ptlrpc.c */ |
741 | struct ptlrpc_request; | |
742 | extern void target_print_req(void *seq_file, struct ptlrpc_request *req); | |
743 | ||
744 | /* lproc_status.c */ | |
73bb1da6 | 745 | int lprocfs_obd_rd_max_pages_per_rpc(struct seq_file *m, void *data); |
d7e09d03 | 746 | int lprocfs_obd_wr_max_pages_per_rpc(struct file *file, const char *buffer, |
73bb1da6 | 747 | size_t count, loff_t *off); |
d7e09d03 PT |
748 | |
749 | /* all quota proc functions */ | |
750 | extern int lprocfs_quota_rd_bunit(char *page, char **start, | |
73bb1da6 | 751 | loff_t off, int count, |
d7e09d03 PT |
752 | int *eof, void *data); |
753 | extern int lprocfs_quota_wr_bunit(struct file *file, const char *buffer, | |
754 | unsigned long count, void *data); | |
755 | extern int lprocfs_quota_rd_btune(char *page, char **start, | |
73bb1da6 | 756 | loff_t off, int count, |
d7e09d03 PT |
757 | int *eof, void *data); |
758 | extern int lprocfs_quota_wr_btune(struct file *file, const char *buffer, | |
759 | unsigned long count, void *data); | |
760 | extern int lprocfs_quota_rd_iunit(char *page, char **start, | |
73bb1da6 | 761 | loff_t off, int count, |
d7e09d03 PT |
762 | int *eof, void *data); |
763 | extern int lprocfs_quota_wr_iunit(struct file *file, const char *buffer, | |
764 | unsigned long count, void *data); | |
765 | extern int lprocfs_quota_rd_itune(char *page, char **start, | |
73bb1da6 | 766 | loff_t off, int count, |
d7e09d03 PT |
767 | int *eof, void *data); |
768 | extern int lprocfs_quota_wr_itune(struct file *file, const char *buffer, | |
769 | unsigned long count, void *data); | |
73bb1da6 | 770 | extern int lprocfs_quota_rd_type(char *page, char **start, loff_t off, int count, |
d7e09d03 PT |
771 | int *eof, void *data); |
772 | extern int lprocfs_quota_wr_type(struct file *file, const char *buffer, | |
773 | unsigned long count, void *data); | |
73bb1da6 | 774 | extern int lprocfs_quota_rd_switch_seconds(char *page, char **start, loff_t off, |
d7e09d03 PT |
775 | int count, int *eof, void *data); |
776 | extern int lprocfs_quota_wr_switch_seconds(struct file *file, | |
777 | const char *buffer, | |
778 | unsigned long count, void *data); | |
73bb1da6 | 779 | extern int lprocfs_quota_rd_sync_blk(char *page, char **start, loff_t off, |
d7e09d03 PT |
780 | int count, int *eof, void *data); |
781 | extern int lprocfs_quota_wr_sync_blk(struct file *file, const char *buffer, | |
782 | unsigned long count, void *data); | |
73bb1da6 | 783 | extern int lprocfs_quota_rd_switch_qs(char *page, char **start, loff_t off, |
d7e09d03 PT |
784 | int count, int *eof, void *data); |
785 | extern int lprocfs_quota_wr_switch_qs(struct file *file, | |
786 | const char *buffer, | |
787 | unsigned long count, void *data); | |
73bb1da6 | 788 | extern int lprocfs_quota_rd_boundary_factor(char *page, char **start, loff_t off, |
d7e09d03 PT |
789 | int count, int *eof, void *data); |
790 | extern int lprocfs_quota_wr_boundary_factor(struct file *file, | |
791 | const char *buffer, | |
792 | unsigned long count, void *data); | |
73bb1da6 | 793 | extern int lprocfs_quota_rd_least_bunit(char *page, char **start, loff_t off, |
d7e09d03 PT |
794 | int count, int *eof, void *data); |
795 | extern int lprocfs_quota_wr_least_bunit(struct file *file, | |
796 | const char *buffer, | |
797 | unsigned long count, void *data); | |
73bb1da6 | 798 | extern int lprocfs_quota_rd_least_iunit(char *page, char **start, loff_t off, |
d7e09d03 PT |
799 | int count, int *eof, void *data); |
800 | extern int lprocfs_quota_wr_least_iunit(struct file *file, | |
801 | const char *buffer, | |
802 | unsigned long count, void *data); | |
73bb1da6 | 803 | extern int lprocfs_quota_rd_qs_factor(char *page, char **start, loff_t off, |
d7e09d03 PT |
804 | int count, int *eof, void *data); |
805 | extern int lprocfs_quota_wr_qs_factor(struct file *file, | |
806 | const char *buffer, | |
807 | unsigned long count, void *data); | |
d7e09d03 PT |
808 | #else |
809 | /* LPROCFS is not defined */ | |
810 | ||
811 | #define proc_lustre_root NULL | |
812 | ||
813 | static inline void lprocfs_counter_add(struct lprocfs_stats *stats, | |
814 | int index, long amount) | |
815 | { return; } | |
816 | static inline void lprocfs_counter_incr(struct lprocfs_stats *stats, | |
817 | int index) | |
818 | { return; } | |
819 | static inline void lprocfs_counter_sub(struct lprocfs_stats *stats, | |
820 | int index, long amount) | |
821 | { return; } | |
822 | static inline void lprocfs_counter_decr(struct lprocfs_stats *stats, | |
823 | int index) | |
824 | { return; } | |
825 | static inline void lprocfs_counter_init(struct lprocfs_stats *stats, | |
826 | int index, unsigned conf, | |
827 | const char *name, const char *units) | |
828 | { return; } | |
829 | ||
830 | static inline __u64 lc_read_helper(struct lprocfs_counter *lc, | |
831 | enum lprocfs_fields_flags field) | |
832 | { return 0; } | |
833 | ||
834 | /* NB: we return !NULL to satisfy error checker */ | |
835 | static inline struct lprocfs_stats * | |
836 | lprocfs_alloc_stats(unsigned int num, enum lprocfs_stats_flags flags) | |
837 | { return (struct lprocfs_stats *)1; } | |
838 | static inline void lprocfs_clear_stats(struct lprocfs_stats *stats) | |
839 | { return; } | |
840 | static inline void lprocfs_free_stats(struct lprocfs_stats **stats) | |
841 | { return; } | |
b59fe845 | 842 | static inline int lprocfs_register_stats(struct proc_dir_entry *root, |
d7e09d03 PT |
843 | const char *name, |
844 | struct lprocfs_stats *stats) | |
845 | { return 0; } | |
846 | static inline void lprocfs_init_ops_stats(int num_private_stats, | |
847 | struct lprocfs_stats *stats) | |
848 | { return; } | |
849 | static inline void lprocfs_init_mps_stats(int num_private_stats, | |
850 | struct lprocfs_stats *stats) | |
851 | { return; } | |
852 | static inline void lprocfs_init_ldlm_stats(struct lprocfs_stats *ldlm_stats) | |
853 | { return; } | |
854 | static inline int lprocfs_alloc_obd_stats(struct obd_device *obddev, | |
855 | unsigned int num_private_stats) | |
856 | { return 0; } | |
857 | static inline int lprocfs_alloc_md_stats(struct obd_device *obddev, | |
858 | unsigned int num_private_stats) | |
859 | { return 0; } | |
860 | static inline void lprocfs_free_obd_stats(struct obd_device *obddev) | |
861 | { return; } | |
862 | static inline void lprocfs_free_md_stats(struct obd_device *obddev) | |
863 | { return; } | |
864 | ||
865 | struct obd_export; | |
866 | static inline int lprocfs_add_clear_entry(struct obd_export *exp) | |
867 | { return 0; } | |
868 | static inline int lprocfs_exp_setup(struct obd_export *exp,lnet_nid_t *peer_nid, | |
869 | int *newnid) | |
870 | { return 0; } | |
871 | static inline int lprocfs_exp_cleanup(struct obd_export *exp) | |
872 | { return 0; } | |
b59fe845 | 873 | static inline struct proc_dir_entry * |
d7e09d03 | 874 | lprocfs_add_simple(struct proc_dir_entry *root, char *name, |
d7e09d03 PT |
875 | void *data, struct file_operations *fops) |
876 | {return 0; } | |
877 | static inline struct proc_dir_entry * | |
878 | lprocfs_add_symlink(const char *name, struct proc_dir_entry *parent, | |
879 | const char *format, ...) | |
880 | {return NULL; } | |
881 | static inline void lprocfs_free_per_client_stats(struct obd_device *obd) | |
882 | { return; } | |
883 | static inline | |
884 | int lprocfs_nid_stats_clear_write(struct file *file, const char *buffer, | |
885 | unsigned long count, void *data) | |
886 | {return count;} | |
887 | static inline | |
73bb1da6 PT |
888 | int lprocfs_nid_stats_clear_read(struct seq_file *m, void *data) |
889 | { return 0; } | |
d7e09d03 | 890 | |
b59fe845 GKH |
891 | static inline struct proc_dir_entry * |
892 | lprocfs_register(const char *name, struct proc_dir_entry *parent, | |
d7e09d03 PT |
893 | struct lprocfs_vars *list, void *data) |
894 | { return NULL; } | |
b59fe845 | 895 | static inline int lprocfs_add_vars(struct proc_dir_entry *root, |
d7e09d03 PT |
896 | struct lprocfs_vars *var, |
897 | void *data) | |
898 | { return 0; } | |
b59fe845 | 899 | static inline void lprocfs_remove(struct proc_dir_entry **root) |
d7e09d03 PT |
900 | { return; } |
901 | static inline void lprocfs_remove_proc_entry(const char *name, | |
902 | struct proc_dir_entry *parent) | |
903 | { return; } | |
d7e09d03 PT |
904 | static inline int lprocfs_obd_setup(struct obd_device *dev, |
905 | struct lprocfs_vars *list) | |
906 | { return 0; } | |
907 | static inline int lprocfs_obd_cleanup(struct obd_device *dev) | |
908 | { return 0; } | |
73bb1da6 | 909 | static inline int lprocfs_rd_u64(struct seq_file *m, void *data) |
d7e09d03 | 910 | { return 0; } |
73bb1da6 | 911 | static inline int lprocfs_rd_uuid(struct seq_file *m, void *data) |
d7e09d03 | 912 | { return 0; } |
73bb1da6 | 913 | static inline int lprocfs_rd_name(struct seq_file *m, void *data) |
d7e09d03 | 914 | { return 0; } |
73bb1da6 | 915 | static inline int lprocfs_rd_server_uuid(struct seq_file *m, void *data) |
d7e09d03 | 916 | { return 0; } |
73bb1da6 | 917 | static inline int lprocfs_rd_conn_uuid(struct seq_file *m, void *data) |
d7e09d03 | 918 | { return 0; } |
73bb1da6 | 919 | static inline int lprocfs_rd_import(struct seq_file *m, void *data) |
d7e09d03 | 920 | { return 0; } |
73bb1da6 | 921 | static inline int lprocfs_rd_pinger_recov(struct seq_file *m, void *n) |
d7e09d03 | 922 | { return 0; } |
73bb1da6 | 923 | static inline int lprocfs_rd_state(struct seq_file *m, void *data) |
d7e09d03 | 924 | { return 0; } |
73bb1da6 | 925 | static inline int lprocfs_rd_connect_flags(struct seq_file *m, void *data) |
d7e09d03 | 926 | { return 0; } |
73bb1da6 | 927 | static inline int lprocfs_rd_num_exports(struct seq_file *m, void *data) |
d7e09d03 | 928 | { return 0; } |
73bb1da6 | 929 | extern inline int lprocfs_rd_numrefs(struct seq_file *m, void *data) |
d7e09d03 PT |
930 | { return 0; } |
931 | struct adaptive_timeout; | |
73bb1da6 | 932 | static inline int lprocfs_at_hist_helper(struct seq_file *m, |
d7e09d03 PT |
933 | struct adaptive_timeout *at) |
934 | { return 0; } | |
73bb1da6 | 935 | static inline int lprocfs_rd_timeouts(struct seq_file *m, void *data) |
d7e09d03 PT |
936 | { return 0; } |
937 | static inline int lprocfs_wr_timeouts(struct file *file, | |
938 | const char *buffer, | |
939 | unsigned long count, void *data) | |
940 | { return 0; } | |
73bb1da6 PT |
941 | static inline int lprocfs_wr_evict_client(struct file *file, const char *buffer, |
942 | size_t count, loff_t *off) | |
d7e09d03 PT |
943 | { return 0; } |
944 | static inline int lprocfs_wr_ping(struct file *file, const char *buffer, | |
73bb1da6 | 945 | size_t count, loff_t *off) |
d7e09d03 PT |
946 | { return 0; } |
947 | static inline int lprocfs_wr_import(struct file *file, const char *buffer, | |
73bb1da6 | 948 | size_t count, loff_t *off) |
d7e09d03 PT |
949 | { return 0; } |
950 | static inline int lprocfs_wr_pinger_recov(struct file *file, const char *buffer, | |
73bb1da6 | 951 | size_t count, loff_t *off) |
d7e09d03 PT |
952 | { return 0; } |
953 | ||
954 | /* Statfs helpers */ | |
955 | static inline | |
73bb1da6 | 956 | int lprocfs_rd_blksize(struct seq_file *m, void *data) |
d7e09d03 PT |
957 | { return 0; } |
958 | static inline | |
73bb1da6 | 959 | int lprocfs_rd_kbytestotal(struct seq_file *m, void *data) |
d7e09d03 PT |
960 | { return 0; } |
961 | static inline | |
73bb1da6 | 962 | int lprocfs_rd_kbytesfree(struct seq_file *m, void *data) |
d7e09d03 PT |
963 | { return 0; } |
964 | static inline | |
73bb1da6 | 965 | int lprocfs_rd_kbytesavail(struct seq_file *m, void *data) |
d7e09d03 PT |
966 | { return 0; } |
967 | static inline | |
73bb1da6 | 968 | int lprocfs_rd_filestotal(struct seq_file *m, void *data) |
d7e09d03 PT |
969 | { return 0; } |
970 | static inline | |
73bb1da6 | 971 | int lprocfs_rd_filesfree(struct seq_file *m, void *data) |
d7e09d03 PT |
972 | { return 0; } |
973 | static inline | |
974 | void lprocfs_oh_tally(struct obd_histogram *oh, unsigned int value) | |
975 | { return; } | |
976 | static inline | |
977 | void lprocfs_oh_tally_log2(struct obd_histogram *oh, unsigned int value) | |
978 | { return; } | |
979 | static inline | |
980 | void lprocfs_oh_clear(struct obd_histogram *oh) | |
981 | { return; } | |
982 | static inline | |
983 | unsigned long lprocfs_oh_sum(struct obd_histogram *oh) | |
984 | { return 0; } | |
985 | static inline | |
986 | void lprocfs_stats_collect(struct lprocfs_stats *stats, int idx, | |
987 | struct lprocfs_counter *cnt) | |
988 | { return; } | |
989 | static inline | |
990 | __u64 lprocfs_stats_collector(struct lprocfs_stats *stats, int idx, | |
991 | enum lprocfs_fields_flags field) | |
992 | { return (__u64)0; } | |
993 | ||
994 | #define LPROC_SEQ_FOPS_RO(name) | |
995 | #define LPROC_SEQ_FOPS(name) | |
73bb1da6 PT |
996 | #define LPROC_SEQ_FOPS_RO_TYPE(name, type) |
997 | #define LPROC_SEQ_FOPS_RW_TYPE(name, type) | |
998 | #define LPROC_SEQ_FOPS_WR_ONLY(name, type) | |
d7e09d03 | 999 | |
d7e09d03 PT |
1000 | /* lproc_ptlrpc.c */ |
1001 | #define target_print_req NULL | |
1002 | ||
1003 | #endif /* LPROCFS */ | |
1004 | ||
1005 | #endif /* LPROCFS_SNMP_H */ |