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
|
/*
Copyright (c) 2008-2012 Red Hat, Inc. <http://www.redhat.com>
This file is part of GlusterFS.
This file is licensed to you under your choice of the GNU Lesser
General Public License, version 3 or any later version (LGPLv3 or
later), or the GNU General Public License, version 2 (GPLv2), in all
cases as published by the Free Software Foundation.
*/
#ifndef _XLATOR_H
#define _XLATOR_H
#include <stdio.h>
#include <stdint.h>
#include <inttypes.h>
#include "event-history.h"
#include "logging.h"
#include "common-utils.h"
#include "dict.h"
#include "compat.h"
#include "list.h"
#include "latency.h"
#include "compat-uuid.h"
#define FIRST_CHILD(xl) (xl->children->xlator)
#define SECOND_CHILD(xl) (xl->children->next->xlator)
#define GF_SET_ATTR_MODE 0x1
#define GF_SET_ATTR_UID 0x2
#define GF_SET_ATTR_GID 0x4
#define GF_SET_ATTR_SIZE 0x8
#define GF_SET_ATTR_ATIME 0x10
#define GF_SET_ATTR_MTIME 0x20
#define gf_attr_mode_set(mode) ((mode) & GF_SET_ATTR_MODE)
#define gf_attr_uid_set(mode) ((mode) & GF_SET_ATTR_UID)
#define gf_attr_gid_set(mode) ((mode) & GF_SET_ATTR_GID)
#define gf_attr_size_set(mode) ((mode) & GF_SET_ATTR_SIZE)
#define gf_attr_atime_set(mode) ((mode) & GF_SET_ATTR_ATIME)
#define gf_attr_mtime_set(mode) ((mode) & GF_SET_ATTR_MTIME)
struct _xlator;
typedef struct _xlator xlator_t;
struct _dir_entry_t;
typedef struct _dir_entry_t dir_entry_t;
struct _gf_dirent_t;
typedef struct _gf_dirent_t gf_dirent_t;
struct _loc;
typedef struct _loc loc_t;
typedef int32_t (*event_notify_fn_t) (xlator_t *this, int32_t event, void *data,
...);
#include "list.h"
#include "gf-dirent.h"
#include "stack.h"
#include "iobuf.h"
#include "inode.h"
#include "fd.h"
#include "globals.h"
#include "iatt.h"
#include "options.h"
#include "client_t.h"
struct _loc {
const char *path;
const char *name;
inode_t *inode;
inode_t *parent;
/* Currently all location based operations are through 'gfid' of inode.
* But the 'inode->gfid' only gets set in higher most layer (as in,
* 'fuse', 'protocol/server', or 'nfs/server'). So if translators want
* to send fops on a inode before the 'inode->gfid' is set, they have to
* make use of below 'gfid' fields
*/
uuid_t gfid;
uuid_t pargfid;
};
typedef int32_t (*fop_getspec_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
char *spec_data);
typedef int32_t (*fop_rchecksum_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
uint32_t weak_checksum,
uint8_t *strong_checksum,
dict_t *xdata);
typedef int32_t (*fop_getspec_t) (call_frame_t *frame,
xlator_t *this,
const char *key,
int32_t flag);
typedef int32_t (*fop_rchecksum_t) (call_frame_t *frame,
xlator_t *this,
fd_t *fd, off_t offset,
int32_t len, dict_t *xdata);
typedef int32_t (*fop_lookup_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
inode_t *inode,
struct iatt *buf,
dict_t *xdata,
struct iatt *postparent);
typedef int32_t (*fop_stat_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
struct iatt *buf, dict_t *xdata);
typedef int32_t (*fop_fstat_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
struct iatt *buf, dict_t *xdata);
typedef int32_t (*fop_truncate_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
struct iatt *prebuf,
struct iatt *postbuf, dict_t *xdata);
typedef int32_t (*fop_ftruncate_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
struct iatt *prebuf,
struct iatt *postbuf, dict_t *xdata);
typedef int32_t (*fop_access_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno, dict_t *xdata);
typedef int32_t (*fop_readlink_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
const char *path,
struct iatt *buf, dict_t *xdata);
typedef int32_t (*fop_mknod_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
inode_t *inode,
struct iatt *buf,
struct iatt *preparent,
struct iatt *postparent, dict_t *xdata);
typedef int32_t (*fop_mkdir_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
inode_t *inode,
struct iatt *buf,
struct iatt *preparent,
struct iatt *postparent, dict_t *xdata);
typedef int32_t (*fop_unlink_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
struct iatt *preparent,
struct iatt *postparent, dict_t *xdata);
typedef int32_t (*fop_rmdir_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
struct iatt *preparent,
struct iatt *postparent, dict_t *xdata);
typedef int32_t (*fop_symlink_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
inode_t *inode,
struct iatt *buf,
struct iatt *preparent,
struct iatt *postparent, dict_t *xdata);
typedef int32_t (*fop_rename_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
struct iatt *buf,
struct iatt *preoldparent,
struct iatt *postoldparent,
struct iatt *prenewparent,
struct iatt *postnewparent, dict_t *xdata);
typedef int32_t (*fop_link_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
inode_t *inode,
struct iatt *buf,
struct iatt *preparent,
struct iatt *postparent, dict_t *xdata);
typedef int32_t (*fop_create_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
fd_t *fd,
inode_t *inode,
struct iatt *buf,
struct iatt *preparent,
struct iatt *postparent, dict_t *xdata);
typedef int32_t (*fop_open_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
fd_t *fd, dict_t *xdata);
typedef int32_t (*fop_readv_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
struct iovec *vector,
int32_t count,
struct iatt *stbuf,
struct iobref *iobref, dict_t *xdata);
typedef int32_t (*fop_writev_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
struct iatt *prebuf,
struct iatt *postbuf, dict_t *xdata);
typedef int32_t (*fop_flush_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno, dict_t *xdata);
typedef int32_t (*fop_fsync_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
struct iatt *prebuf,
struct iatt *postbuf, dict_t *xdata);
typedef int32_t (*fop_opendir_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
fd_t *fd, dict_t *xdata);
typedef int32_t (*fop_fsyncdir_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno, dict_t *xdata);
typedef int32_t (*fop_statfs_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
struct statvfs *buf, dict_t *xdata);
typedef int32_t (*fop_setxattr_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno, dict_t *xdata);
typedef int32_t (*fop_getxattr_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
dict_t *dict, dict_t *xdata);
typedef int32_t (*fop_fsetxattr_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno, dict_t *xdata);
typedef int32_t (*fop_fgetxattr_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
dict_t *dict, dict_t *xdata);
typedef int32_t (*fop_removexattr_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno, dict_t *xdata);
typedef int32_t (*fop_fremovexattr_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno, dict_t *xdata);
typedef int32_t (*fop_lk_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
struct gf_flock *flock, dict_t *xdata);
typedef int32_t (*fop_inodelk_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno, dict_t *xdata);
typedef int32_t (*fop_finodelk_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno, dict_t *xdata);
typedef int32_t (*fop_entrylk_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno, dict_t *xdata);
typedef int32_t (*fop_fentrylk_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno, dict_t *xdata);
typedef int32_t (*fop_readdir_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
gf_dirent_t *entries, dict_t *xdata);
typedef int32_t (*fop_readdirp_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
gf_dirent_t *entries, dict_t *xdata);
typedef int32_t (*fop_xattrop_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
dict_t *xattr, dict_t *xdata);
typedef int32_t (*fop_fxattrop_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
dict_t *xattr, dict_t *xdata);
typedef int32_t (*fop_setattr_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
struct iatt *preop_stbuf,
struct iatt *postop_stbuf, dict_t *xdata);
typedef int32_t (*fop_fsetattr_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
struct iatt *preop_stbuf,
struct iatt *postop_stbuf, dict_t *xdata);
typedef int32_t (*fop_fallocate_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
struct iatt *preop_stbuf,
struct iatt *postop_stbuf, dict_t *xdata);
typedef int32_t (*fop_discard_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
struct iatt *preop_stbuf,
struct iatt *postop_stbuf, dict_t *xdata);
typedef int32_t (*fop_zerofill_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
struct iatt *preop_stbuf,
struct iatt *postop_stbuf, dict_t *xdata);
typedef int32_t (*fop_ipc_cbk_t) (call_frame_t *frame, void *cookie,
xlator_t *this, int32_t op_ret,
int32_t op_errno, dict_t *xdata);
typedef int32_t (*fop_lookup_t) (call_frame_t *frame,
xlator_t *this,
loc_t *loc,
dict_t *xdata);
typedef int32_t (*fop_stat_t) (call_frame_t *frame,
xlator_t *this,
loc_t *loc, dict_t *xdata);
typedef int32_t (*fop_fstat_t) (call_frame_t *frame,
xlator_t *this,
fd_t *fd, dict_t *xdata);
typedef int32_t (*fop_truncate_t) (call_frame_t *frame,
xlator_t *this,
loc_t *loc,
off_t offset, dict_t *xdata);
typedef int32_t (*fop_ftruncate_t) (call_frame_t *frame,
xlator_t *this,
fd_t *fd,
off_t offset, dict_t *xdata);
typedef int32_t (*fop_access_t) (call_frame_t *frame,
xlator_t *this,
loc_t *loc,
int32_t mask, dict_t *xdata);
typedef int32_t (*fop_readlink_t) (call_frame_t *frame,
xlator_t *this,
loc_t *loc,
size_t size, dict_t *xdata);
typedef int32_t (*fop_mknod_t) (call_frame_t *frame, xlator_t *this,
loc_t *loc, mode_t mode, dev_t rdev,
mode_t umask, dict_t *xdata);
typedef int32_t (*fop_mkdir_t) (call_frame_t *frame, xlator_t *this, loc_t *loc,
mode_t mode, mode_t umask, dict_t *xdata);
typedef int32_t (*fop_unlink_t) (call_frame_t *frame, xlator_t *this,
loc_t *loc, int xflags, dict_t *xdata);
typedef int32_t (*fop_rmdir_t) (call_frame_t *frame, xlator_t *this,
loc_t *loc, int xflags, dict_t *xdata);
typedef int32_t (*fop_symlink_t) (call_frame_t *frame, xlator_t *this,
const char *linkname, loc_t *loc,
mode_t umask, dict_t *xdata);
typedef int32_t (*fop_rename_t) (call_frame_t *frame,
xlator_t *this,
loc_t *oldloc,
loc_t *newloc, dict_t *xdata);
typedef int32_t (*fop_link_t) (call_frame_t *frame,
xlator_t *this,
loc_t *oldloc,
loc_t *newloc, dict_t *xdata);
typedef int32_t (*fop_create_t) (call_frame_t *frame, xlator_t *this,
loc_t *loc, int32_t flags, mode_t mode,
mode_t umask, fd_t *fd, dict_t *xdata);
/* Tell subsequent writes on the fd_t to fsync after every writev fop without
* requiring a fsync fop.
*/
#define GF_OPEN_FSYNC 0x01
/* Tell write-behind to disable writing behind despite O_SYNC not being set.
*/
#define GF_OPEN_NOWB 0x02
typedef int32_t (*fop_open_t) (call_frame_t *frame, xlator_t *this,
loc_t *loc, int32_t flags,
fd_t *fd, dict_t *xdata);
typedef int32_t (*fop_readv_t) (call_frame_t *frame,
xlator_t *this,
fd_t *fd,
size_t size,
off_t offset,
uint32_t flags, dict_t *xdata);
typedef int32_t (*fop_writev_t) (call_frame_t *frame,
xlator_t *this,
fd_t *fd,
struct iovec *vector,
int32_t count,
off_t offset,
uint32_t flags,
struct iobref *iobref, dict_t *xdata);
typedef int32_t (*fop_flush_t) (call_frame_t *frame,
xlator_t *this,
fd_t *fd, dict_t *xdata);
typedef int32_t (*fop_fsync_t) (call_frame_t *frame,
xlator_t *this,
fd_t *fd,
int32_t datasync, dict_t *xdata);
typedef int32_t (*fop_opendir_t) (call_frame_t *frame,
xlator_t *this,
loc_t *loc,
fd_t *fd, dict_t *xdata);
typedef int32_t (*fop_fsyncdir_t) (call_frame_t *frame,
xlator_t *this,
fd_t *fd,
int32_t datasync, dict_t *xdata);
typedef int32_t (*fop_statfs_t) (call_frame_t *frame,
xlator_t *this,
loc_t *loc, dict_t *xdata);
typedef int32_t (*fop_setxattr_t) (call_frame_t *frame,
xlator_t *this,
loc_t *loc,
dict_t *dict,
int32_t flags, dict_t *xdata);
typedef int32_t (*fop_getxattr_t) (call_frame_t *frame,
xlator_t *this,
loc_t *loc,
const char *name, dict_t *xdata);
typedef int32_t (*fop_fsetxattr_t) (call_frame_t *frame,
xlator_t *this,
fd_t *fd,
dict_t *dict,
int32_t flags, dict_t *xdata);
typedef int32_t (*fop_fgetxattr_t) (call_frame_t *frame,
xlator_t *this,
fd_t *fd,
const char *name, dict_t *xdata);
typedef int32_t (*fop_removexattr_t) (call_frame_t *frame,
xlator_t *this,
loc_t *loc,
const char *name, dict_t *xdata);
typedef int32_t (*fop_fremovexattr_t) (call_frame_t *frame,
xlator_t *this,
fd_t *fd,
const char *name, dict_t *xdata);
typedef int32_t (*fop_lk_t) (call_frame_t *frame,
xlator_t *this,
fd_t *fd,
int32_t cmd,
struct gf_flock *flock, dict_t *xdata);
typedef int32_t (*fop_inodelk_t) (call_frame_t *frame,
xlator_t *this,
const char *volume,
loc_t *loc,
int32_t cmd,
struct gf_flock *flock, dict_t *xdata);
typedef int32_t (*fop_finodelk_t) (call_frame_t *frame,
xlator_t *this,
const char *volume,
fd_t *fd,
int32_t cmd,
struct gf_flock *flock, dict_t *xdata);
typedef int32_t (*fop_entrylk_t) (call_frame_t *frame,
xlator_t *this,
const char *volume, loc_t *loc,
const char *basename, entrylk_cmd cmd,
entrylk_type type, dict_t *xdata);
typedef int32_t (*fop_fentrylk_t) (call_frame_t *frame,
xlator_t *this,
const char *volume, fd_t *fd,
const char *basename, entrylk_cmd cmd,
entrylk_type type, dict_t *xdata);
typedef int32_t (*fop_readdir_t) (call_frame_t *frame,
xlator_t *this,
fd_t *fd,
size_t size,
off_t offset, dict_t *xdata);
typedef int32_t (*fop_readdirp_t) (call_frame_t *frame,
xlator_t *this,
fd_t *fd,
size_t size,
off_t offset,
dict_t *xdata);
typedef int32_t (*fop_xattrop_t) (call_frame_t *frame,
xlator_t *this,
loc_t *loc,
gf_xattrop_flags_t optype,
dict_t *xattr, dict_t *xdata);
typedef int32_t (*fop_fxattrop_t) (call_frame_t *frame,
xlator_t *this,
fd_t *fd,
gf_xattrop_flags_t optype,
dict_t *xattr, dict_t *xdata);
typedef int32_t (*fop_setattr_t) (call_frame_t *frame,
xlator_t *this,
loc_t *loc,
struct iatt *stbuf,
int32_t valid, dict_t *xdata);
typedef int32_t (*fop_fsetattr_t) (call_frame_t *frame,
xlator_t *this,
fd_t *fd,
struct iatt *stbuf,
int32_t valid, dict_t *xdata);
typedef int32_t (*fop_fallocate_t) (call_frame_t *frame,
xlator_t *this,
fd_t *fd,
int32_t keep_size,
off_t offset,
size_t len,
dict_t *xdata);
typedef int32_t (*fop_discard_t) (call_frame_t *frame,
xlator_t *this,
fd_t *fd,
off_t offset,
size_t len,
dict_t *xdata);
typedef int32_t (*fop_zerofill_t) (call_frame_t *frame,
xlator_t *this,
fd_t *fd,
off_t offset,
off_t len,
dict_t *xdata);
typedef int32_t (*fop_ipc_t) (call_frame_t *frame, xlator_t *this, int32_t op,
dict_t *xdata);
struct xlator_fops {
fop_lookup_t lookup;
fop_stat_t stat;
fop_fstat_t fstat;
fop_truncate_t truncate;
fop_ftruncate_t ftruncate;
fop_access_t access;
fop_readlink_t readlink;
fop_mknod_t mknod;
fop_mkdir_t mkdir;
fop_unlink_t unlink;
fop_rmdir_t rmdir;
fop_symlink_t symlink;
fop_rename_t rename;
fop_link_t link;
fop_create_t create;
fop_open_t open;
fop_readv_t readv;
fop_writev_t writev;
fop_flush_t flush;
fop_fsync_t fsync;
fop_opendir_t opendir;
fop_readdir_t readdir;
fop_readdirp_t readdirp;
fop_fsyncdir_t fsyncdir;
fop_statfs_t statfs;
fop_setxattr_t setxattr;
fop_getxattr_t getxattr;
fop_fsetxattr_t fsetxattr;
fop_fgetxattr_t fgetxattr;
fop_removexattr_t removexattr;
fop_fremovexattr_t fremovexattr;
fop_lk_t lk;
fop_inodelk_t inodelk;
fop_finodelk_t finodelk;
fop_entrylk_t entrylk;
fop_fentrylk_t fentrylk;
fop_rchecksum_t rchecksum;
fop_xattrop_t xattrop;
fop_fxattrop_t fxattrop;
fop_setattr_t setattr;
fop_fsetattr_t fsetattr;
fop_getspec_t getspec;
fop_fallocate_t fallocate;
fop_discard_t discard;
fop_zerofill_t zerofill;
fop_ipc_t ipc;
/* these entries are used for a typechecking hack in STACK_WIND _only_ */
fop_lookup_cbk_t lookup_cbk;
fop_stat_cbk_t stat_cbk;
fop_fstat_cbk_t fstat_cbk;
fop_truncate_cbk_t truncate_cbk;
fop_ftruncate_cbk_t ftruncate_cbk;
fop_access_cbk_t access_cbk;
fop_readlink_cbk_t readlink_cbk;
fop_mknod_cbk_t mknod_cbk;
fop_mkdir_cbk_t mkdir_cbk;
fop_unlink_cbk_t unlink_cbk;
fop_rmdir_cbk_t rmdir_cbk;
fop_symlink_cbk_t symlink_cbk;
fop_rename_cbk_t rename_cbk;
fop_link_cbk_t link_cbk;
fop_create_cbk_t create_cbk;
fop_open_cbk_t open_cbk;
fop_readv_cbk_t readv_cbk;
fop_writev_cbk_t writev_cbk;
fop_flush_cbk_t flush_cbk;
fop_fsync_cbk_t fsync_cbk;
fop_opendir_cbk_t opendir_cbk;
fop_readdir_cbk_t readdir_cbk;
fop_readdirp_cbk_t readdirp_cbk;
fop_fsyncdir_cbk_t fsyncdir_cbk;
fop_statfs_cbk_t statfs_cbk;
fop_setxattr_cbk_t setxattr_cbk;
fop_getxattr_cbk_t getxattr_cbk;
fop_fsetxattr_cbk_t fsetxattr_cbk;
fop_fgetxattr_cbk_t fgetxattr_cbk;
fop_removexattr_cbk_t removexattr_cbk;
fop_fremovexattr_cbk_t fremovexattr_cbk;
fop_lk_cbk_t lk_cbk;
fop_inodelk_cbk_t inodelk_cbk;
fop_finodelk_cbk_t finodelk_cbk;
fop_entrylk_cbk_t entrylk_cbk;
fop_fentrylk_cbk_t fentrylk_cbk;
fop_rchecksum_cbk_t rchecksum_cbk;
fop_xattrop_cbk_t xattrop_cbk;
fop_fxattrop_cbk_t fxattrop_cbk;
fop_setattr_cbk_t setattr_cbk;
fop_fsetattr_cbk_t fsetattr_cbk;
fop_getspec_cbk_t getspec_cbk;
fop_fallocate_cbk_t fallocate_cbk;
fop_discard_cbk_t discard_cbk;
fop_zerofill_cbk_t zerofill_cbk;
fop_ipc_cbk_t ipc_cbk;
};
typedef int32_t (*cbk_forget_t) (xlator_t *this,
inode_t *inode);
typedef int32_t (*cbk_release_t) (xlator_t *this,
fd_t *fd);
typedef int32_t (*cbk_invalidate_t)(xlator_t *this, inode_t *inode);
typedef int32_t (*cbk_client_t)(xlator_t *this, client_t *client);
typedef void (*cbk_ictxmerge_t) (xlator_t *this, fd_t *fd,
inode_t *inode, inode_t *linked_inode);
struct xlator_cbks {
cbk_forget_t forget;
cbk_release_t release;
cbk_release_t releasedir;
cbk_invalidate_t invalidate;
cbk_client_t client_destroy;
cbk_client_t client_disconnect;
cbk_ictxmerge_t ictxmerge;
};
typedef int32_t (*dumpop_priv_t) (xlator_t *this);
typedef int32_t (*dumpop_inode_t) (xlator_t *this);
typedef int32_t (*dumpop_fd_t) (xlator_t *this);
typedef int32_t (*dumpop_inodectx_t) (xlator_t *this, inode_t *ino);
typedef int32_t (*dumpop_fdctx_t) (xlator_t *this, fd_t *fd);
typedef int32_t (*dumpop_priv_to_dict_t) (xlator_t *this, dict_t *dict);
typedef int32_t (*dumpop_inode_to_dict_t) (xlator_t *this, dict_t *dict);
typedef int32_t (*dumpop_fd_to_dict_t) (xlator_t *this, dict_t *dict);
typedef int32_t (*dumpop_inodectx_to_dict_t) (xlator_t *this, inode_t *ino,
dict_t *dict);
typedef int32_t (*dumpop_fdctx_to_dict_t) (xlator_t *this, fd_t *fd,
dict_t *dict);
typedef int32_t (*dumpop_eh_t) (xlator_t *this);
struct xlator_dumpops {
dumpop_priv_t priv;
dumpop_inode_t inode;
dumpop_fd_t fd;
dumpop_inodectx_t inodectx;
dumpop_fdctx_t fdctx;
dumpop_priv_to_dict_t priv_to_dict;
dumpop_inode_to_dict_t inode_to_dict;
dumpop_fd_to_dict_t fd_to_dict;
dumpop_inodectx_to_dict_t inodectx_to_dict;
dumpop_fdctx_to_dict_t fdctx_to_dict;
dumpop_eh_t history;
};
typedef struct xlator_list {
xlator_t *xlator;
struct xlator_list *next;
} xlator_list_t;
struct _xlator {
/* Built during parsing */
char *name;
char *type;
char *instance_name; /* Used for multi NFSd */
xlator_t *next;
xlator_t *prev;
xlator_list_t *parents;
xlator_list_t *children;
dict_t *options;
/* Set after doing dlopen() */
void *dlhandle;
struct xlator_fops *fops;
struct xlator_cbks *cbks;
struct xlator_dumpops *dumpops;
struct list_head volume_options; /* list of volume_option_t */
void (*fini) (xlator_t *this);
int32_t (*init) (xlator_t *this);
int32_t (*reconfigure) (xlator_t *this, dict_t *options);
int32_t (*mem_acct_init) (xlator_t *this);
event_notify_fn_t notify;
gf_loglevel_t loglevel; /* Log level for translator */
/* for latency measurement */
fop_latency_t latencies[GF_FOP_MAXVALUE];
/* Misc */
eh_t *history; /* event history context */
glusterfs_ctx_t *ctx;
glusterfs_graph_t *graph; /* not set for fuse */
inode_table_t *itable;
char init_succeeded;
void *private;
struct mem_acct *mem_acct;
uint64_t winds;
char switched;
/* for the memory pool of 'frame->local' */
struct mem_pool *local_pool;
gf_boolean_t is_autoloaded;
};
typedef struct {
int32_t (*init) (xlator_t *this);
void (*fini) (xlator_t *this);
int32_t (*reconfigure) (xlator_t *this,
dict_t *options);
event_notify_fn_t notify;
} class_methods_t;
#define xlator_has_parent(xl) (xl->parents != NULL)
#define XLATOR_NOTIFY(_xl, params ...) \
do { \
xlator_t *_old_THIS = NULL; \
\
_old_THIS = THIS; \
THIS = _xl; \
\
ret = _xl->notify (_xl, params);\
\
THIS = _old_THIS; \
} while (0);
int32_t xlator_set_type_virtual (xlator_t *xl, const char *type);
int32_t xlator_set_type (xlator_t *xl, const char *type);
int32_t xlator_dynload (xlator_t *xl);
xlator_t *file_to_xlator_tree (glusterfs_ctx_t *ctx,
FILE *fp);
int xlator_notify (xlator_t *this, int32_t event, void *data, ...);
int xlator_init (xlator_t *this);
int xlator_destroy (xlator_t *xl);
int32_t xlator_tree_init (xlator_t *xl);
int32_t xlator_tree_free_members (xlator_t *xl);
int32_t xlator_tree_free_memacct (xlator_t *xl);
void xlator_tree_fini (xlator_t *xl);
void xlator_foreach (xlator_t *this,
void (*fn) (xlator_t *each,
void *data),
void *data);
void xlator_foreach_depth_first (xlator_t *this,
void (*fn) (xlator_t *each,
void *data),
void *data);
xlator_t *xlator_search_by_name (xlator_t *any, const char *name);
void
xlator_set_inode_lru_limit (xlator_t *this, void *data);
void inode_destroy_notify (inode_t *inode, const char *xlname);
int loc_copy (loc_t *dst, loc_t *src);
int loc_copy_overload_parent (loc_t *dst,
loc_t *src, inode_t *parent);
#define loc_dup(src, dst) loc_copy(dst, src)
void loc_wipe (loc_t *loc);
int loc_path (loc_t *loc, const char *bname);
void loc_gfid (loc_t *loc, uuid_t gfid);
char* loc_gfid_utoa (loc_t *loc);
gf_boolean_t loc_is_root (loc_t *loc);
int32_t loc_build_child (loc_t *child, loc_t *parent, char *name);
int xlator_mem_acct_init (xlator_t *xl, int num_types);
int is_gf_log_command (xlator_t *trans, const char *name, char *value);
int glusterd_check_log_level (const char *value);
int xlator_volopt_dynload (char *xlator_type, void **dl_handle,
volume_opt_list_t *vol_opt_handle);
enum gf_hdsk_event_notify_op {
GF_EN_DEFRAG_STATUS,
GF_EN_MAX,
};
gf_boolean_t
is_graph_topology_equal (glusterfs_graph_t *graph1, glusterfs_graph_t *graph2);
int
glusterfs_volfile_reconfigure (int oldvollen, FILE *newvolfile_fp,
glusterfs_ctx_t *ctx, const char *oldvolfile);
int
loc_touchup (loc_t *loc, const char *name);
int
glusterfs_leaf_position(xlator_t *tgt);
int
glusterfs_reachable_leaves(xlator_t *base, dict_t *leaves);
int
xlator_subvolume_count (xlator_t *this);
#endif /* _XLATOR_H */
|
