forked from torvalds/linux
-
Notifications
You must be signed in to change notification settings - Fork 0
/
orangefs-sysfs.c
1271 lines (1114 loc) · 33.3 KB
/
orangefs-sysfs.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
// SPDX-License-Identifier: GPL-2.0
/*
* Documentation/ABI/stable/sysfs-fs-orangefs:
*
* What: /sys/fs/orangefs/perf_counter_reset
* Date: June 2015
* Contact: Mike Marshall <[email protected]>
* Description:
* echo a 0 or a 1 into perf_counter_reset to
* reset all the counters in
* /sys/fs/orangefs/perf_counters
* except ones with PINT_PERF_PRESERVE set.
*
*
* What: /sys/fs/orangefs/perf_counters/...
* Date: Jun 2015
* Contact: Mike Marshall <[email protected]>
* Description:
* Counters and settings for various caches.
* Read only.
*
*
* What: /sys/fs/orangefs/perf_time_interval_secs
* Date: Jun 2015
* Contact: Mike Marshall <[email protected]>
* Description:
* Length of perf counter intervals in
* seconds.
*
*
* What: /sys/fs/orangefs/perf_history_size
* Date: Jun 2015
* Contact: Mike Marshall <[email protected]>
* Description:
* The perf_counters cache statistics have N, or
* perf_history_size, samples. The default is
* one.
*
* Every perf_time_interval_secs the (first)
* samples are reset.
*
* If N is greater than one, the "current" set
* of samples is reset, and the samples from the
* other N-1 intervals remain available.
*
*
* What: /sys/fs/orangefs/op_timeout_secs
* Date: Jun 2015
* Contact: Mike Marshall <[email protected]>
* Description:
* Service operation timeout in seconds.
*
*
* What: /sys/fs/orangefs/slot_timeout_secs
* Date: Jun 2015
* Contact: Mike Marshall <[email protected]>
* Description:
* "Slot" timeout in seconds. A "slot"
* is an indexed buffer in the shared
* memory segment used for communication
* between the kernel module and userspace.
* Slots are requested and waited for,
* the wait times out after slot_timeout_secs.
*
* What: /sys/fs/orangefs/cache_timeout_msecs
* Date: Mar 2018
* Contact: Martin Brandenburg <[email protected]>
* Description:
* Time in milliseconds between which
* orangefs_revalidate_mapping will invalidate the page
* cache.
*
* What: /sys/fs/orangefs/dcache_timeout_msecs
* Date: Jul 2016
* Contact: Martin Brandenburg <[email protected]>
* Description:
* Time lookup is valid in milliseconds.
*
* What: /sys/fs/orangefs/getattr_timeout_msecs
* Date: Jul 2016
* Contact: Martin Brandenburg <[email protected]>
* Description:
* Time getattr is valid in milliseconds.
*
* What: /sys/fs/orangefs/readahead_count
* Date: Aug 2016
* Contact: Martin Brandenburg <[email protected]>
* Description:
* Readahead cache buffer count.
*
* What: /sys/fs/orangefs/readahead_size
* Date: Aug 2016
* Contact: Martin Brandenburg <[email protected]>
* Description:
* Readahead cache buffer size.
*
* What: /sys/fs/orangefs/readahead_count_size
* Date: Aug 2016
* Contact: Martin Brandenburg <[email protected]>
* Description:
* Readahead cache buffer count and size.
*
* What: /sys/fs/orangefs/readahead_readcnt
* Date: Jan 2017
* Contact: Martin Brandenburg <[email protected]>
* Description:
* Number of buffers (in multiples of readahead_size)
* which can be read ahead for a single file at once.
*
* What: /sys/fs/orangefs/acache/...
* Date: Jun 2015
* Contact: Martin Brandenburg <[email protected]>
* Description:
* Attribute cache configurable settings.
*
*
* What: /sys/fs/orangefs/ncache/...
* Date: Jun 2015
* Contact: Mike Marshall <[email protected]>
* Description:
* Name cache configurable settings.
*
*
* What: /sys/fs/orangefs/capcache/...
* Date: Jun 2015
* Contact: Mike Marshall <[email protected]>
* Description:
* Capability cache configurable settings.
*
*
* What: /sys/fs/orangefs/ccache/...
* Date: Jun 2015
* Contact: Mike Marshall <[email protected]>
* Description:
* Credential cache configurable settings.
*
*/
#include <linux/fs.h>
#include <linux/kobject.h>
#include <linux/string.h>
#include <linux/sysfs.h>
#include <linux/module.h>
#include <linux/init.h>
#include "protocol.h"
#include "orangefs-kernel.h"
#include "orangefs-sysfs.h"
#define ORANGEFS_KOBJ_ID "orangefs"
#define ACACHE_KOBJ_ID "acache"
#define CAPCACHE_KOBJ_ID "capcache"
#define CCACHE_KOBJ_ID "ccache"
#define NCACHE_KOBJ_ID "ncache"
#define PC_KOBJ_ID "pc"
#define STATS_KOBJ_ID "stats"
/*
* Every item calls orangefs_attr_show and orangefs_attr_store through
* orangefs_sysfs_ops. They look at the orangefs_attributes further below to
* call one of sysfs_int_show, sysfs_int_store, sysfs_service_op_show, or
* sysfs_service_op_store.
*/
struct orangefs_attribute {
struct attribute attr;
ssize_t (*show)(struct kobject *kobj,
struct orangefs_attribute *attr,
char *buf);
ssize_t (*store)(struct kobject *kobj,
struct orangefs_attribute *attr,
const char *buf,
size_t count);
};
static ssize_t orangefs_attr_show(struct kobject *kobj,
struct attribute *attr,
char *buf)
{
struct orangefs_attribute *attribute;
attribute = container_of(attr, struct orangefs_attribute, attr);
if (!attribute->show)
return -EIO;
return attribute->show(kobj, attribute, buf);
}
static ssize_t orangefs_attr_store(struct kobject *kobj,
struct attribute *attr,
const char *buf,
size_t len)
{
struct orangefs_attribute *attribute;
if (!strcmp(kobj->name, PC_KOBJ_ID) ||
!strcmp(kobj->name, STATS_KOBJ_ID))
return -EPERM;
attribute = container_of(attr, struct orangefs_attribute, attr);
if (!attribute->store)
return -EIO;
return attribute->store(kobj, attribute, buf, len);
}
static const struct sysfs_ops orangefs_sysfs_ops = {
.show = orangefs_attr_show,
.store = orangefs_attr_store,
};
static ssize_t sysfs_int_show(struct kobject *kobj,
struct orangefs_attribute *attr, char *buf)
{
int rc = -EIO;
gossip_debug(GOSSIP_SYSFS_DEBUG, "sysfs_int_show: id:%s:\n",
kobj->name);
if (!strcmp(kobj->name, ORANGEFS_KOBJ_ID)) {
if (!strcmp(attr->attr.name, "op_timeout_secs")) {
rc = scnprintf(buf,
PAGE_SIZE,
"%d\n",
op_timeout_secs);
goto out;
} else if (!strcmp(attr->attr.name,
"slot_timeout_secs")) {
rc = scnprintf(buf,
PAGE_SIZE,
"%d\n",
slot_timeout_secs);
goto out;
} else if (!strcmp(attr->attr.name,
"cache_timeout_msecs")) {
rc = scnprintf(buf,
PAGE_SIZE,
"%d\n",
orangefs_cache_timeout_msecs);
goto out;
} else if (!strcmp(attr->attr.name,
"dcache_timeout_msecs")) {
rc = scnprintf(buf,
PAGE_SIZE,
"%d\n",
orangefs_dcache_timeout_msecs);
goto out;
} else if (!strcmp(attr->attr.name,
"getattr_timeout_msecs")) {
rc = scnprintf(buf,
PAGE_SIZE,
"%d\n",
orangefs_getattr_timeout_msecs);
goto out;
} else {
goto out;
}
} else if (!strcmp(kobj->name, STATS_KOBJ_ID)) {
if (!strcmp(attr->attr.name, "reads")) {
rc = scnprintf(buf,
PAGE_SIZE,
"%lu\n",
orangefs_stats.reads);
goto out;
} else if (!strcmp(attr->attr.name, "writes")) {
rc = scnprintf(buf,
PAGE_SIZE,
"%lu\n",
orangefs_stats.writes);
goto out;
} else {
goto out;
}
}
out:
return rc;
}
static ssize_t sysfs_int_store(struct kobject *kobj,
struct orangefs_attribute *attr, const char *buf, size_t count)
{
int rc = 0;
gossip_debug(GOSSIP_SYSFS_DEBUG,
"sysfs_int_store: start attr->attr.name:%s: buf:%s:\n",
attr->attr.name, buf);
if (!strcmp(attr->attr.name, "op_timeout_secs")) {
rc = kstrtoint(buf, 0, &op_timeout_secs);
goto out;
} else if (!strcmp(attr->attr.name, "slot_timeout_secs")) {
rc = kstrtoint(buf, 0, &slot_timeout_secs);
goto out;
} else if (!strcmp(attr->attr.name, "cache_timeout_msecs")) {
rc = kstrtoint(buf, 0, &orangefs_cache_timeout_msecs);
goto out;
} else if (!strcmp(attr->attr.name, "dcache_timeout_msecs")) {
rc = kstrtoint(buf, 0, &orangefs_dcache_timeout_msecs);
goto out;
} else if (!strcmp(attr->attr.name, "getattr_timeout_msecs")) {
rc = kstrtoint(buf, 0, &orangefs_getattr_timeout_msecs);
goto out;
} else {
goto out;
}
out:
if (rc)
rc = -EINVAL;
else
rc = count;
return rc;
}
/*
* obtain attribute values from userspace with a service operation.
*/
static ssize_t sysfs_service_op_show(struct kobject *kobj,
struct orangefs_attribute *attr, char *buf)
{
struct orangefs_kernel_op_s *new_op = NULL;
int rc = 0;
char *ser_op_type = NULL;
__u32 op_alloc_type;
gossip_debug(GOSSIP_SYSFS_DEBUG,
"sysfs_service_op_show: id:%s:\n",
kobj->name);
if (strcmp(kobj->name, PC_KOBJ_ID))
op_alloc_type = ORANGEFS_VFS_OP_PARAM;
else
op_alloc_type = ORANGEFS_VFS_OP_PERF_COUNT;
new_op = op_alloc(op_alloc_type);
if (!new_op)
return -ENOMEM;
/* Can't do a service_operation if the client is not running... */
rc = is_daemon_in_service();
if (rc) {
pr_info_ratelimited("%s: Client not running :%d:\n",
__func__,
is_daemon_in_service());
goto out;
}
if (strcmp(kobj->name, PC_KOBJ_ID))
new_op->upcall.req.param.type = ORANGEFS_PARAM_REQUEST_GET;
if (!strcmp(kobj->name, ORANGEFS_KOBJ_ID)) {
/* Drop unsupported requests first. */
if (!(orangefs_features & ORANGEFS_FEATURE_READAHEAD) &&
(!strcmp(attr->attr.name, "readahead_count") ||
!strcmp(attr->attr.name, "readahead_size") ||
!strcmp(attr->attr.name, "readahead_count_size") ||
!strcmp(attr->attr.name, "readahead_readcnt"))) {
rc = -EINVAL;
goto out;
}
if (!strcmp(attr->attr.name, "perf_history_size"))
new_op->upcall.req.param.op =
ORANGEFS_PARAM_REQUEST_OP_PERF_HISTORY_SIZE;
else if (!strcmp(attr->attr.name,
"perf_time_interval_secs"))
new_op->upcall.req.param.op =
ORANGEFS_PARAM_REQUEST_OP_PERF_TIME_INTERVAL_SECS;
else if (!strcmp(attr->attr.name,
"perf_counter_reset"))
new_op->upcall.req.param.op =
ORANGEFS_PARAM_REQUEST_OP_PERF_RESET;
else if (!strcmp(attr->attr.name,
"readahead_count"))
new_op->upcall.req.param.op =
ORANGEFS_PARAM_REQUEST_OP_READAHEAD_COUNT;
else if (!strcmp(attr->attr.name,
"readahead_size"))
new_op->upcall.req.param.op =
ORANGEFS_PARAM_REQUEST_OP_READAHEAD_SIZE;
else if (!strcmp(attr->attr.name,
"readahead_count_size"))
new_op->upcall.req.param.op =
ORANGEFS_PARAM_REQUEST_OP_READAHEAD_COUNT_SIZE;
else if (!strcmp(attr->attr.name,
"readahead_readcnt"))
new_op->upcall.req.param.op =
ORANGEFS_PARAM_REQUEST_OP_READAHEAD_READCNT;
} else if (!strcmp(kobj->name, ACACHE_KOBJ_ID)) {
if (!strcmp(attr->attr.name, "timeout_msecs"))
new_op->upcall.req.param.op =
ORANGEFS_PARAM_REQUEST_OP_ACACHE_TIMEOUT_MSECS;
if (!strcmp(attr->attr.name, "hard_limit"))
new_op->upcall.req.param.op =
ORANGEFS_PARAM_REQUEST_OP_ACACHE_HARD_LIMIT;
if (!strcmp(attr->attr.name, "soft_limit"))
new_op->upcall.req.param.op =
ORANGEFS_PARAM_REQUEST_OP_ACACHE_SOFT_LIMIT;
if (!strcmp(attr->attr.name, "reclaim_percentage"))
new_op->upcall.req.param.op =
ORANGEFS_PARAM_REQUEST_OP_ACACHE_RECLAIM_PERCENTAGE;
} else if (!strcmp(kobj->name, CAPCACHE_KOBJ_ID)) {
if (!strcmp(attr->attr.name, "timeout_secs"))
new_op->upcall.req.param.op =
ORANGEFS_PARAM_REQUEST_OP_CAPCACHE_TIMEOUT_SECS;
if (!strcmp(attr->attr.name, "hard_limit"))
new_op->upcall.req.param.op =
ORANGEFS_PARAM_REQUEST_OP_CAPCACHE_HARD_LIMIT;
if (!strcmp(attr->attr.name, "soft_limit"))
new_op->upcall.req.param.op =
ORANGEFS_PARAM_REQUEST_OP_CAPCACHE_SOFT_LIMIT;
if (!strcmp(attr->attr.name, "reclaim_percentage"))
new_op->upcall.req.param.op =
ORANGEFS_PARAM_REQUEST_OP_CAPCACHE_RECLAIM_PERCENTAGE;
} else if (!strcmp(kobj->name, CCACHE_KOBJ_ID)) {
if (!strcmp(attr->attr.name, "timeout_secs"))
new_op->upcall.req.param.op =
ORANGEFS_PARAM_REQUEST_OP_CCACHE_TIMEOUT_SECS;
if (!strcmp(attr->attr.name, "hard_limit"))
new_op->upcall.req.param.op =
ORANGEFS_PARAM_REQUEST_OP_CCACHE_HARD_LIMIT;
if (!strcmp(attr->attr.name, "soft_limit"))
new_op->upcall.req.param.op =
ORANGEFS_PARAM_REQUEST_OP_CCACHE_SOFT_LIMIT;
if (!strcmp(attr->attr.name, "reclaim_percentage"))
new_op->upcall.req.param.op =
ORANGEFS_PARAM_REQUEST_OP_CCACHE_RECLAIM_PERCENTAGE;
} else if (!strcmp(kobj->name, NCACHE_KOBJ_ID)) {
if (!strcmp(attr->attr.name, "timeout_msecs"))
new_op->upcall.req.param.op =
ORANGEFS_PARAM_REQUEST_OP_NCACHE_TIMEOUT_MSECS;
if (!strcmp(attr->attr.name, "hard_limit"))
new_op->upcall.req.param.op =
ORANGEFS_PARAM_REQUEST_OP_NCACHE_HARD_LIMIT;
if (!strcmp(attr->attr.name, "soft_limit"))
new_op->upcall.req.param.op =
ORANGEFS_PARAM_REQUEST_OP_NCACHE_SOFT_LIMIT;
if (!strcmp(attr->attr.name, "reclaim_percentage"))
new_op->upcall.req.param.op =
ORANGEFS_PARAM_REQUEST_OP_NCACHE_RECLAIM_PERCENTAGE;
} else if (!strcmp(kobj->name, PC_KOBJ_ID)) {
if (!strcmp(attr->attr.name, ACACHE_KOBJ_ID))
new_op->upcall.req.perf_count.type =
ORANGEFS_PERF_COUNT_REQUEST_ACACHE;
if (!strcmp(attr->attr.name, CAPCACHE_KOBJ_ID))
new_op->upcall.req.perf_count.type =
ORANGEFS_PERF_COUNT_REQUEST_CAPCACHE;
if (!strcmp(attr->attr.name, NCACHE_KOBJ_ID))
new_op->upcall.req.perf_count.type =
ORANGEFS_PERF_COUNT_REQUEST_NCACHE;
} else {
gossip_err("sysfs_service_op_show: unknown kobj_id:%s:\n",
kobj->name);
rc = -EINVAL;
goto out;
}
if (strcmp(kobj->name, PC_KOBJ_ID))
ser_op_type = "orangefs_param";
else
ser_op_type = "orangefs_perf_count";
/*
* The service_operation will return an errno return code on
* error, and zero on success.
*/
rc = service_operation(new_op, ser_op_type, ORANGEFS_OP_INTERRUPTIBLE);
out:
if (!rc) {
if (strcmp(kobj->name, PC_KOBJ_ID)) {
if (new_op->upcall.req.param.op ==
ORANGEFS_PARAM_REQUEST_OP_READAHEAD_COUNT_SIZE) {
rc = scnprintf(buf, PAGE_SIZE, "%d %d\n",
(int)new_op->downcall.resp.param.u.
value32[0],
(int)new_op->downcall.resp.param.u.
value32[1]);
} else {
rc = scnprintf(buf, PAGE_SIZE, "%d\n",
(int)new_op->downcall.resp.param.u.value64);
}
} else {
rc = scnprintf(
buf,
PAGE_SIZE,
"%s",
new_op->downcall.resp.perf_count.buffer);
}
}
op_release(new_op);
return rc;
}
/*
* pass attribute values back to userspace with a service operation.
*
* We have to do a memory allocation, an sscanf and a service operation.
* And we have to evaluate what the user entered, to make sure the
* value is within the range supported by the attribute. So, there's
* a lot of return code checking and mapping going on here.
*
* We want to return 1 if we think everything went OK, and
* EINVAL if not.
*/
static ssize_t sysfs_service_op_store(struct kobject *kobj,
struct orangefs_attribute *attr, const char *buf, size_t count)
{
struct orangefs_kernel_op_s *new_op = NULL;
int val = 0;
int rc = 0;
gossip_debug(GOSSIP_SYSFS_DEBUG,
"sysfs_service_op_store: id:%s:\n",
kobj->name);
new_op = op_alloc(ORANGEFS_VFS_OP_PARAM);
if (!new_op)
return -EINVAL; /* sic */
/* Can't do a service_operation if the client is not running... */
rc = is_daemon_in_service();
if (rc) {
pr_info("%s: Client not running :%d:\n",
__func__,
is_daemon_in_service());
goto out;
}
/*
* The value we want to send back to userspace is in buf, unless this
* there are two parameters, which is specially handled below.
*/
if (strcmp(kobj->name, ORANGEFS_KOBJ_ID) ||
strcmp(attr->attr.name, "readahead_count_size")) {
rc = kstrtoint(buf, 0, &val);
if (rc)
goto out;
}
new_op->upcall.req.param.type = ORANGEFS_PARAM_REQUEST_SET;
if (!strcmp(kobj->name, ORANGEFS_KOBJ_ID)) {
/* Drop unsupported requests first. */
if (!(orangefs_features & ORANGEFS_FEATURE_READAHEAD) &&
(!strcmp(attr->attr.name, "readahead_count") ||
!strcmp(attr->attr.name, "readahead_size") ||
!strcmp(attr->attr.name, "readahead_count_size") ||
!strcmp(attr->attr.name, "readahead_readcnt"))) {
rc = -EINVAL;
goto out;
}
if (!strcmp(attr->attr.name, "perf_history_size")) {
if (val > 0) {
new_op->upcall.req.param.op =
ORANGEFS_PARAM_REQUEST_OP_PERF_HISTORY_SIZE;
} else {
rc = 0;
goto out;
}
} else if (!strcmp(attr->attr.name,
"perf_time_interval_secs")) {
if (val > 0) {
new_op->upcall.req.param.op =
ORANGEFS_PARAM_REQUEST_OP_PERF_TIME_INTERVAL_SECS;
} else {
rc = 0;
goto out;
}
} else if (!strcmp(attr->attr.name,
"perf_counter_reset")) {
if ((val == 0) || (val == 1)) {
new_op->upcall.req.param.op =
ORANGEFS_PARAM_REQUEST_OP_PERF_RESET;
} else {
rc = 0;
goto out;
}
} else if (!strcmp(attr->attr.name,
"readahead_count")) {
if ((val >= 0)) {
new_op->upcall.req.param.op =
ORANGEFS_PARAM_REQUEST_OP_READAHEAD_COUNT;
} else {
rc = 0;
goto out;
}
} else if (!strcmp(attr->attr.name,
"readahead_size")) {
if ((val >= 0)) {
new_op->upcall.req.param.op =
ORANGEFS_PARAM_REQUEST_OP_READAHEAD_SIZE;
} else {
rc = 0;
goto out;
}
} else if (!strcmp(attr->attr.name,
"readahead_count_size")) {
int val1, val2;
rc = sscanf(buf, "%d %d", &val1, &val2);
if (rc < 2) {
rc = 0;
goto out;
}
if ((val1 >= 0) && (val2 >= 0)) {
new_op->upcall.req.param.op =
ORANGEFS_PARAM_REQUEST_OP_READAHEAD_COUNT_SIZE;
} else {
rc = 0;
goto out;
}
new_op->upcall.req.param.u.value32[0] = val1;
new_op->upcall.req.param.u.value32[1] = val2;
goto value_set;
} else if (!strcmp(attr->attr.name,
"readahead_readcnt")) {
if ((val >= 0)) {
new_op->upcall.req.param.op =
ORANGEFS_PARAM_REQUEST_OP_READAHEAD_READCNT;
} else {
rc = 0;
goto out;
}
}
} else if (!strcmp(kobj->name, ACACHE_KOBJ_ID)) {
if (!strcmp(attr->attr.name, "hard_limit")) {
if (val > -1) {
new_op->upcall.req.param.op =
ORANGEFS_PARAM_REQUEST_OP_ACACHE_HARD_LIMIT;
} else {
rc = 0;
goto out;
}
} else if (!strcmp(attr->attr.name, "soft_limit")) {
if (val > -1) {
new_op->upcall.req.param.op =
ORANGEFS_PARAM_REQUEST_OP_ACACHE_SOFT_LIMIT;
} else {
rc = 0;
goto out;
}
} else if (!strcmp(attr->attr.name,
"reclaim_percentage")) {
if ((val > -1) && (val < 101)) {
new_op->upcall.req.param.op =
ORANGEFS_PARAM_REQUEST_OP_ACACHE_RECLAIM_PERCENTAGE;
} else {
rc = 0;
goto out;
}
} else if (!strcmp(attr->attr.name, "timeout_msecs")) {
if (val > -1) {
new_op->upcall.req.param.op =
ORANGEFS_PARAM_REQUEST_OP_ACACHE_TIMEOUT_MSECS;
} else {
rc = 0;
goto out;
}
}
} else if (!strcmp(kobj->name, CAPCACHE_KOBJ_ID)) {
if (!strcmp(attr->attr.name, "hard_limit")) {
if (val > -1) {
new_op->upcall.req.param.op =
ORANGEFS_PARAM_REQUEST_OP_CAPCACHE_HARD_LIMIT;
} else {
rc = 0;
goto out;
}
} else if (!strcmp(attr->attr.name, "soft_limit")) {
if (val > -1) {
new_op->upcall.req.param.op =
ORANGEFS_PARAM_REQUEST_OP_CAPCACHE_SOFT_LIMIT;
} else {
rc = 0;
goto out;
}
} else if (!strcmp(attr->attr.name,
"reclaim_percentage")) {
if ((val > -1) && (val < 101)) {
new_op->upcall.req.param.op =
ORANGEFS_PARAM_REQUEST_OP_CAPCACHE_RECLAIM_PERCENTAGE;
} else {
rc = 0;
goto out;
}
} else if (!strcmp(attr->attr.name, "timeout_secs")) {
if (val > -1) {
new_op->upcall.req.param.op =
ORANGEFS_PARAM_REQUEST_OP_CAPCACHE_TIMEOUT_SECS;
} else {
rc = 0;
goto out;
}
}
} else if (!strcmp(kobj->name, CCACHE_KOBJ_ID)) {
if (!strcmp(attr->attr.name, "hard_limit")) {
if (val > -1) {
new_op->upcall.req.param.op =
ORANGEFS_PARAM_REQUEST_OP_CCACHE_HARD_LIMIT;
} else {
rc = 0;
goto out;
}
} else if (!strcmp(attr->attr.name, "soft_limit")) {
if (val > -1) {
new_op->upcall.req.param.op =
ORANGEFS_PARAM_REQUEST_OP_CCACHE_SOFT_LIMIT;
} else {
rc = 0;
goto out;
}
} else if (!strcmp(attr->attr.name,
"reclaim_percentage")) {
if ((val > -1) && (val < 101)) {
new_op->upcall.req.param.op =
ORANGEFS_PARAM_REQUEST_OP_CCACHE_RECLAIM_PERCENTAGE;
} else {
rc = 0;
goto out;
}
} else if (!strcmp(attr->attr.name, "timeout_secs")) {
if (val > -1) {
new_op->upcall.req.param.op =
ORANGEFS_PARAM_REQUEST_OP_CCACHE_TIMEOUT_SECS;
} else {
rc = 0;
goto out;
}
}
} else if (!strcmp(kobj->name, NCACHE_KOBJ_ID)) {
if (!strcmp(attr->attr.name, "hard_limit")) {
if (val > -1) {
new_op->upcall.req.param.op =
ORANGEFS_PARAM_REQUEST_OP_NCACHE_HARD_LIMIT;
} else {
rc = 0;
goto out;
}
} else if (!strcmp(attr->attr.name, "soft_limit")) {
if (val > -1) {
new_op->upcall.req.param.op =
ORANGEFS_PARAM_REQUEST_OP_NCACHE_SOFT_LIMIT;
} else {
rc = 0;
goto out;
}
} else if (!strcmp(attr->attr.name,
"reclaim_percentage")) {
if ((val > -1) && (val < 101)) {
new_op->upcall.req.param.op =
ORANGEFS_PARAM_REQUEST_OP_NCACHE_RECLAIM_PERCENTAGE;
} else {
rc = 0;
goto out;
}
} else if (!strcmp(attr->attr.name, "timeout_msecs")) {
if (val > -1) {
new_op->upcall.req.param.op =
ORANGEFS_PARAM_REQUEST_OP_NCACHE_TIMEOUT_MSECS;
} else {
rc = 0;
goto out;
}
}
} else {
gossip_err("sysfs_service_op_store: unknown kobj_id:%s:\n",
kobj->name);
rc = -EINVAL;
goto out;
}
new_op->upcall.req.param.u.value64 = val;
value_set:
/*
* The service_operation will return a errno return code on
* error, and zero on success.
*/
rc = service_operation(new_op, "orangefs_param", ORANGEFS_OP_INTERRUPTIBLE);
if (rc < 0) {
gossip_err("sysfs_service_op_store: service op returned:%d:\n",
rc);
rc = 0;
} else {
rc = count;
}
out:
op_release(new_op);
if (rc == -ENOMEM || rc == 0)
rc = -EINVAL;
return rc;
}
static struct orangefs_attribute op_timeout_secs_attribute =
__ATTR(op_timeout_secs, 0664, sysfs_int_show, sysfs_int_store);
static struct orangefs_attribute slot_timeout_secs_attribute =
__ATTR(slot_timeout_secs, 0664, sysfs_int_show, sysfs_int_store);
static struct orangefs_attribute cache_timeout_msecs_attribute =
__ATTR(cache_timeout_msecs, 0664, sysfs_int_show, sysfs_int_store);
static struct orangefs_attribute dcache_timeout_msecs_attribute =
__ATTR(dcache_timeout_msecs, 0664, sysfs_int_show, sysfs_int_store);
static struct orangefs_attribute getattr_timeout_msecs_attribute =
__ATTR(getattr_timeout_msecs, 0664, sysfs_int_show, sysfs_int_store);
static struct orangefs_attribute readahead_count_attribute =
__ATTR(readahead_count, 0664, sysfs_service_op_show,
sysfs_service_op_store);
static struct orangefs_attribute readahead_size_attribute =
__ATTR(readahead_size, 0664, sysfs_service_op_show,
sysfs_service_op_store);
static struct orangefs_attribute readahead_count_size_attribute =
__ATTR(readahead_count_size, 0664, sysfs_service_op_show,
sysfs_service_op_store);
static struct orangefs_attribute readahead_readcnt_attribute =
__ATTR(readahead_readcnt, 0664, sysfs_service_op_show,
sysfs_service_op_store);
static struct orangefs_attribute perf_counter_reset_attribute =
__ATTR(perf_counter_reset,
0664,
sysfs_service_op_show,
sysfs_service_op_store);
static struct orangefs_attribute perf_history_size_attribute =
__ATTR(perf_history_size,
0664,
sysfs_service_op_show,
sysfs_service_op_store);
static struct orangefs_attribute perf_time_interval_secs_attribute =
__ATTR(perf_time_interval_secs,
0664,
sysfs_service_op_show,
sysfs_service_op_store);
static struct attribute *orangefs_default_attrs[] = {
&op_timeout_secs_attribute.attr,
&slot_timeout_secs_attribute.attr,
&cache_timeout_msecs_attribute.attr,
&dcache_timeout_msecs_attribute.attr,
&getattr_timeout_msecs_attribute.attr,
&readahead_count_attribute.attr,
&readahead_size_attribute.attr,
&readahead_count_size_attribute.attr,
&readahead_readcnt_attribute.attr,
&perf_counter_reset_attribute.attr,
&perf_history_size_attribute.attr,
&perf_time_interval_secs_attribute.attr,
NULL,
};
ATTRIBUTE_GROUPS(orangefs_default);
static struct kobj_type orangefs_ktype = {
.sysfs_ops = &orangefs_sysfs_ops,
.default_groups = orangefs_default_groups,
};
static struct orangefs_attribute acache_hard_limit_attribute =
__ATTR(hard_limit,
0664,
sysfs_service_op_show,
sysfs_service_op_store);
static struct orangefs_attribute acache_reclaim_percent_attribute =
__ATTR(reclaim_percentage,
0664,
sysfs_service_op_show,
sysfs_service_op_store);
static struct orangefs_attribute acache_soft_limit_attribute =
__ATTR(soft_limit,
0664,
sysfs_service_op_show,
sysfs_service_op_store);
static struct orangefs_attribute acache_timeout_msecs_attribute =
__ATTR(timeout_msecs,
0664,
sysfs_service_op_show,
sysfs_service_op_store);
static struct attribute *acache_orangefs_default_attrs[] = {
&acache_hard_limit_attribute.attr,
&acache_reclaim_percent_attribute.attr,
&acache_soft_limit_attribute.attr,
&acache_timeout_msecs_attribute.attr,
NULL,
};
ATTRIBUTE_GROUPS(acache_orangefs_default);
static struct kobj_type acache_orangefs_ktype = {
.sysfs_ops = &orangefs_sysfs_ops,
.default_groups = acache_orangefs_default_groups,
};
static struct orangefs_attribute capcache_hard_limit_attribute =
__ATTR(hard_limit,
0664,
sysfs_service_op_show,
sysfs_service_op_store);
static struct orangefs_attribute capcache_reclaim_percent_attribute =
__ATTR(reclaim_percentage,
0664,
sysfs_service_op_show,
sysfs_service_op_store);
static struct orangefs_attribute capcache_soft_limit_attribute =
__ATTR(soft_limit,
0664,
sysfs_service_op_show,
sysfs_service_op_store);
static struct orangefs_attribute capcache_timeout_secs_attribute =
__ATTR(timeout_secs,
0664,
sysfs_service_op_show,
sysfs_service_op_store);
static struct attribute *capcache_orangefs_default_attrs[] = {
&capcache_hard_limit_attribute.attr,
&capcache_reclaim_percent_attribute.attr,
&capcache_soft_limit_attribute.attr,
&capcache_timeout_secs_attribute.attr,
NULL,
};
ATTRIBUTE_GROUPS(capcache_orangefs_default);
static struct kobj_type capcache_orangefs_ktype = {
.sysfs_ops = &orangefs_sysfs_ops,
.default_groups = capcache_orangefs_default_groups,
};
static struct orangefs_attribute ccache_hard_limit_attribute =
__ATTR(hard_limit,
0664,
sysfs_service_op_show,
sysfs_service_op_store);
static struct orangefs_attribute ccache_reclaim_percent_attribute =
__ATTR(reclaim_percentage,
0664,
sysfs_service_op_show,
sysfs_service_op_store);
static struct orangefs_attribute ccache_soft_limit_attribute =
__ATTR(soft_limit,
0664,
sysfs_service_op_show,
sysfs_service_op_store);
static struct orangefs_attribute ccache_timeout_secs_attribute =
__ATTR(timeout_secs,
0664,