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VERSION: Disable git snapshots for the 4.1.2 release.
[Samba.git] / source3 / modules / vfs_glusterfs.c
blobe5c691e1d9378bd8fb1b1e42f634879a5c8ffa0c
1 /*
2 Unix SMB/CIFS implementation.
3
4 Wrap GlusterFS GFAPI calls in vfs functions.
5
6 Copyright (c) 2013 Anand Avati <avati@redhat.com>
7
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3 of the License, or
11 (at your option) any later version.
12
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
17
18 You should have received a copy of the GNU General Public License
19 along with this program. If not, see <http://www.gnu.org/licenses/>.
20 */
21
22 #include "includes.h"
23 #include "smbd/smbd.h"
24 #include <stdio.h>
25 #include "api/glfs.h"
26 #include "lib/util/dlinklist.h"
27
28 #define DEFAULT_VOLFILE_SERVER "localhost"
29
30 /*
31 TODO
32 ----
33 Short term:
34 - AIO support
35 - sendfile/recvfile support
36 */
37
38 /* Helpers to provide 'integer' fds */
39
40 /* This is global. gfapi's FD operations do not
41 require filesystem context.
42 */
43
44 static glfs_fd_t **glfd_fd;
45 static int glfd_fd_size;
46 static int glfd_fd_used;
47
48 static int glfd_fd_store(glfs_fd_t *glfd)
49 {
50 int i;
51 void *tmp;
52
53 if (glfd_fd_size == glfd_fd_used) {
54 if (glfd_fd_size >= INT_MAX - 1) {
55 errno = ENOMEM;
56 return -1;
57 }
58
59 tmp = talloc_realloc(glfd_fd, glfd_fd, glfs_fd_t *,
60 glfd_fd_size + 1);
61 if (tmp == NULL) {
62 errno = ENOMEM;
63 return -1;
64 }
65
66 glfd_fd = tmp;
67 glfd_fd[glfd_fd_size] = 0;
68 glfd_fd_size++;
69 }
70
71 for (i = 0; i < glfd_fd_size; i++) {
72 if (glfd_fd[i] == NULL) {
73 break;
74 }
75 }
76 glfd_fd_used++;
77 glfd_fd[i] = glfd;
78 return i;
79 }
80
81 static glfs_fd_t *glfd_fd_get(int i)
82 {
83 if (i < 0 || i >= glfd_fd_size) {
84 return NULL;
85 }
86 return glfd_fd[i];
87 }
88
89 static glfs_fd_t *glfd_fd_clear(int i)
90 {
91 glfs_fd_t *glfd = NULL;
92
93 if (i < 0 || i >= glfd_fd_size) {
94 return NULL;
95 }
96
97 glfd = glfd_fd[i];
98
99 glfd_fd[i] = 0;
100 glfd_fd_used--;
101 return glfd;
102 }
103
104 /* Helper to convert stat to stat_ex */
105
106 static void smb_stat_ex_from_stat(struct stat_ex *dst, const struct stat *src)
107 {
108 ZERO_STRUCTP(dst);
109
110 dst->st_ex_dev = src->st_dev;
111 dst->st_ex_ino = src->st_ino;
112 dst->st_ex_mode = src->st_mode;
113 dst->st_ex_nlink = src->st_nlink;
114 dst->st_ex_uid = src->st_uid;
115 dst->st_ex_gid = src->st_gid;
116 dst->st_ex_rdev = src->st_rdev;
117 dst->st_ex_size = src->st_size;
118 dst->st_ex_atime.tv_sec = src->st_atime;
119 #ifdef STAT_HAVE_NSEC
120 dst->st_ex_atime.tv_nsec = src->st_atime_nsec;
121 #endif
122 dst->st_ex_mtime.tv_sec = src->st_mtime;
123 #ifdef STAT_HAVE_NSEC
124 dst->st_ex_mtime.tv_nsec = src->st_mtime_nsec;
125 #endif
126 dst->st_ex_ctime.tv_sec = src->st_ctime;
127 #ifdef STAT_HAVE_NSEC
128 dst->st_ex_ctime.tv_nsec = src->st_ctime_nsec;
129 #endif
130 dst->st_ex_btime.tv_sec = src->st_mtime;
131 #ifdef STAT_HAVE_NSEC
132 dst->st_ex_btime.tv_nsec = src->st_mtime_nsec;
133 #endif
134 dst->st_ex_blksize = src->st_blksize;
135 dst->st_ex_blocks = src->st_blocks;
136 }
137
138 /* pre-opened glfs_t */
139
140 static struct glfs_preopened {
141 char *volume;
142 glfs_t *fs;
143 int ref;
144 struct glfs_preopened *next, *prev;
145 } *glfs_preopened;
146
147
148 int glfs_set_preopened(const char *volume, glfs_t *fs)
149 {
150 struct glfs_preopened *entry = NULL;
151
152 entry = talloc_zero(NULL, struct glfs_preopened);
153 if (!entry) {
154 errno = ENOMEM;
155 return -1;
156 }
157
158 entry->volume = talloc_strdup(entry, volume);
159 if (!entry->volume) {
160 talloc_free(entry);
161 errno = ENOMEM;
162 return -1;
163 }
164
165 entry->fs = fs;
166 entry->ref = 1;
167
168 DLIST_ADD(glfs_preopened, entry);
169
170 return 0;
171 }
172
173 static glfs_t *glfs_find_preopened(const char *volume)
174 {
175 struct glfs_preopened *entry = NULL;
176
177 for (entry = glfs_preopened; entry; entry = entry->next) {
178 if (strcmp(entry->volume, volume) == 0) {
179 entry->ref++;
180 return entry->fs;
181 }
182 }
183
184 return NULL;
185 }
186
187 static void glfs_clear_preopened(glfs_t *fs)
188 {
189 struct glfs_preopened *entry = NULL;
190
191 for (entry = glfs_preopened; entry; entry = entry->next) {
192 if (entry->fs == fs) {
193 if (--entry->ref)
194 return;
195
196 DLIST_REMOVE(glfs_preopened, entry);
197
198 glfs_fini(entry->fs);
199 talloc_free(entry);
200 }
201 }
202 }
203
204 /* Disk Operations */
205
206 static int vfs_gluster_connect(struct vfs_handle_struct *handle,
207 const char *service,
208 const char *user)
209 {
210 const char *volfile_server;
211 const char *volume;
212 const char *logfile;
213 int loglevel;
214 glfs_t *fs;
215 int ret;
216
217 logfile = lp_parm_const_string(SNUM(handle->conn), "glusterfs",
218 "logfile", NULL);
219
220 loglevel = lp_parm_int(SNUM(handle->conn), "glusterfs", "loglevel", -1);
221
222 volfile_server = lp_parm_const_string(SNUM(handle->conn), "glusterfs",
223 "volfile_server", NULL);
224 if (volfile_server == NULL) {
225 volfile_server = DEFAULT_VOLFILE_SERVER;
226 }
227
228 volume = lp_parm_const_string(SNUM(handle->conn), "glusterfs", "volume",
229 NULL);
230 if (volume == NULL) {
231 volume = service;
232 }
233
234 fs = glfs_find_preopened(volume);
235 if (fs) {
236 goto found;
237 }
238
239 fs = glfs_new(volume);
240 if (fs == NULL) {
241 return -1;
242 }
243
244 ret = glfs_set_volfile_server(fs, "tcp", volfile_server, 0);
245 if (ret < 0) {
246 DEBUG(0, ("Failed to set volfile_server %s\n", volfile_server));
247 glfs_fini(fs);
248 return -1;
249 }
250
251 ret = glfs_set_xlator_option(fs, "*-md-cache", "cache-posix-acl",
252 "true");
253 if (ret < 0) {
254 DEBUG(0, ("%s: Failed to set xlator options\n", volume));
255 glfs_fini(fs);
256 return -1;
257 }
258
259 ret = glfs_set_logging(fs, logfile, loglevel);
260 if (ret < 0) {
261 DEBUG(0, ("%s: Failed to set logfile %s loglevel %d\n",
262 volume, logfile, loglevel));
263 glfs_fini(fs);
264 return -1;
265 }
266
267 ret = glfs_init(fs);
268 if (ret < 0) {
269 DEBUG(0, ("%s: Failed to initialize volume (%s)\n",
270 volume, strerror(errno)));
271 glfs_fini(fs);
272 return -1;
273 }
274
275 ret = glfs_set_preopened(volume, fs);
276 if (ret < 0) {
277 DEBUG(0, ("%s: Failed to register volume (%s)\n",
278 volume, strerror(errno)));
279 glfs_fini(fs);
280 return -1;
281 }
282 found:
283 DEBUG(0, ("%s: Initialized volume from server %s\n",
284 volume, volfile_server));
285 handle->data = fs;
286 return 0;
287 }
288
289 static void vfs_gluster_disconnect(struct vfs_handle_struct *handle)
290 {
291 glfs_t *fs = NULL;
292
293 fs = handle->data;
294
295 glfs_clear_preopened(fs);
296 }
297
298 static uint64_t vfs_gluster_disk_free(struct vfs_handle_struct *handle,
299 const char *path, bool small_query,
300 uint64_t *bsize_p, uint64_t *dfree_p,
301 uint64_t *dsize_p)
302 {
303 struct statvfs statvfs = { 0, };
304 int ret;
305
306 ret = glfs_statvfs(handle->data, path, &statvfs);
307 if (ret < 0) {
308 return -1;
309 }
310
311 if (bsize_p != NULL) {
312 *bsize_p = (uint64_t)statvfs.f_bsize; /* Block size */
313 }
314 if (dfree_p != NULL) {
315 *dfree_p = (uint64_t)statvfs.f_bavail; /* Available Block units */
316 }
317 if (dsize_p != NULL) {
318 *dsize_p = (uint64_t)statvfs.f_blocks; /* Total Block units */
319 }
320
321 return (uint64_t)statvfs.f_bavail;
322 }
323
324 static int vfs_gluster_get_quota(struct vfs_handle_struct *handle,
325 enum SMB_QUOTA_TYPE qtype, unid_t id,
326 SMB_DISK_QUOTA *qt)
327 {
328 errno = ENOSYS;
329 return -1;
330 }
331
332 static int
333 vfs_gluster_set_quota(struct vfs_handle_struct *handle,
334 enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *qt)
335 {
336 errno = ENOSYS;
337 return -1;
338 }
339
340 static int vfs_gluster_statvfs(struct vfs_handle_struct *handle,
341 const char *path,
342 struct vfs_statvfs_struct *vfs_statvfs)
343 {
344 struct statvfs statvfs = { 0, };
345 int ret;
346
347 ret = glfs_statvfs(handle->data, path, &statvfs);
348 if (ret < 0) {
349 DEBUG(0, ("glfs_statvfs(%s) failed: %s\n",
350 path, strerror(errno)));
351 return -1;
352 }
353
354 ZERO_STRUCTP(vfs_statvfs);
355
356 vfs_statvfs->OptimalTransferSize = statvfs.f_frsize;
357 vfs_statvfs->BlockSize = statvfs.f_bsize;
358 vfs_statvfs->TotalBlocks = statvfs.f_blocks;
359 vfs_statvfs->BlocksAvail = statvfs.f_bfree;
360 vfs_statvfs->UserBlocksAvail = statvfs.f_bavail;
361 vfs_statvfs->TotalFileNodes = statvfs.f_files;
362 vfs_statvfs->FreeFileNodes = statvfs.f_ffree;
363 vfs_statvfs->FsIdentifier = statvfs.f_fsid;
364 vfs_statvfs->FsCapabilities =
365 FILE_CASE_SENSITIVE_SEARCH | FILE_CASE_PRESERVED_NAMES;
366
367 return ret;
368 }
369
370 static uint32_t vfs_gluster_fs_capabilities(struct vfs_handle_struct *handle,
371 enum timestamp_set_resolution *p_ts_res)
372 {
373 uint32_t caps = FILE_CASE_SENSITIVE_SEARCH | FILE_CASE_PRESERVED_NAMES;
374
375 #ifdef STAT_HAVE_NSEC
376 *p_ts_res = TIMESTAMP_SET_NT_OR_BETTER;
377 #endif
378
379 return caps;
380 }
381
382 static DIR *vfs_gluster_opendir(struct vfs_handle_struct *handle,
383 const char *path, const char *mask,
384 uint32 attributes)
385 {
386 glfs_fd_t *fd;
387
388 fd = glfs_opendir(handle->data, path);
389 if (fd == NULL) {
390 DEBUG(0, ("glfs_opendir(%s) failed: %s\n",
391 path, strerror(errno)));
392 }
393
394 return (DIR *) fd;
395 }
396
397 static DIR *vfs_gluster_fdopendir(struct vfs_handle_struct *handle,
398 files_struct *fsp, const char *mask,
399 uint32 attributes)
400 {
401 return (DIR *) glfd_fd_get(fsp->fh->fd);
402 }
403
404 static int vfs_gluster_closedir(struct vfs_handle_struct *handle, DIR *dirp)
405 {
406 return glfs_closedir((void *)dirp);
407 }
408
409 static struct dirent *vfs_gluster_readdir(struct vfs_handle_struct *handle,
410 DIR *dirp, SMB_STRUCT_STAT *sbuf)
411 {
412 static char direntbuf[512];
413 int ret;
414 struct stat stat;
415 struct dirent *dirent = 0;
416
417 if (sbuf != NULL) {
418 ret = glfs_readdirplus_r((void *)dirp, &stat, (void *)direntbuf,
419 &dirent);
420 } else {
421 ret = glfs_readdir_r((void *)dirp, (void *)direntbuf, &dirent);
422 }
423
424 if ((ret < 0) || (dirent == NULL)) {
425 return NULL;
426 }
427
428 if (sbuf != NULL) {
429 smb_stat_ex_from_stat(sbuf, &stat);
430 }
431
432 return dirent;
433 }
434
435 static long vfs_gluster_telldir(struct vfs_handle_struct *handle, DIR *dirp)
436 {
437 return glfs_telldir((void *)dirp);
438 }
439
440 static void vfs_gluster_seekdir(struct vfs_handle_struct *handle, DIR *dirp,
441 long offset)
442 {
443 glfs_seekdir((void *)dirp, offset);
444 }
445
446 static void vfs_gluster_rewinddir(struct vfs_handle_struct *handle, DIR *dirp)
447 {
448 glfs_seekdir((void *)dirp, 0);
449 }
450
451 static void vfs_gluster_init_search_op(struct vfs_handle_struct *handle,
452 DIR *dirp)
453 {
454 return;
455 }
456
457 static int vfs_gluster_mkdir(struct vfs_handle_struct *handle, const char *path,
458 mode_t mode)
459 {
460 return glfs_mkdir(handle->data, path, mode);
461 }
462
463 static int vfs_gluster_rmdir(struct vfs_handle_struct *handle, const char *path)
464 {
465 return glfs_rmdir(handle->data, path);
466 }
467
468 static int vfs_gluster_open(struct vfs_handle_struct *handle,
469 struct smb_filename *smb_fname, files_struct *fsp,
470 int flags, mode_t mode)
471 {
472 glfs_fd_t *glfd;
473
474 if (flags & O_DIRECTORY) {
475 glfd = glfs_opendir(handle->data, smb_fname->base_name);
476 } else if (flags & O_CREAT) {
477 glfd = glfs_creat(handle->data, smb_fname->base_name, flags,
478 mode);
479 } else {
480 glfd = glfs_open(handle->data, smb_fname->base_name, flags);
481 }
482
483 if (glfd == NULL) {
484 return -1;
485 }
486 return glfd_fd_store(glfd);
487 }
488
489 static int vfs_gluster_close(struct vfs_handle_struct *handle,
490 files_struct *fsp)
491 {
492 return glfs_close(glfd_fd_clear(fsp->fh->fd));
493 }
494
495 static ssize_t vfs_gluster_read(struct vfs_handle_struct *handle,
496 files_struct *fsp, void *data, size_t n)
497 {
498 return glfs_read(glfd_fd_get(fsp->fh->fd), data, n, 0);
499 }
500
501 static ssize_t vfs_gluster_pread(struct vfs_handle_struct *handle,
502 files_struct *fsp, void *data, size_t n,
503 off_t offset)
504 {
505 return glfs_pread(glfd_fd_get(fsp->fh->fd), data, n, offset, 0);
506 }
507
508 static struct tevent_req *vfs_gluster_pread_send(struct vfs_handle_struct
509 *handle, TALLOC_CTX *mem_ctx,
510 struct tevent_context *ev,
511 files_struct *fsp, void *data,
512 size_t n, off_t offset)
513 {
514 errno = ENOTSUP;
515 return NULL;
516 }
517
518 static ssize_t vfs_gluster_pread_recv(struct tevent_req *req, int *err)
519 {
520 errno = ENOTSUP;
521 return -1;
522 }
523
524 static ssize_t vfs_gluster_write(struct vfs_handle_struct *handle,
525 files_struct *fsp, const void *data, size_t n)
526 {
527 return glfs_write(glfd_fd_get(fsp->fh->fd), data, n, 0);
528 }
529
530 static ssize_t vfs_gluster_pwrite(struct vfs_handle_struct *handle,
531 files_struct *fsp, const void *data,
532 size_t n, off_t offset)
533 {
534 return glfs_pwrite(glfd_fd_get(fsp->fh->fd), data, n, offset, 0);
535 }
536
537 static struct tevent_req *vfs_gluster_pwrite_send(struct vfs_handle_struct
538 *handle, TALLOC_CTX *mem_ctx,
539 struct tevent_context *ev,
540 files_struct *fsp,
541 const void *data, size_t n,
542 off_t offset)
543 {
544 errno = ENOTSUP;
545 return NULL;
546 }
547
548 static ssize_t vfs_gluster_pwrite_recv(struct tevent_req *req, int *err)
549 {
550 errno = ENOTSUP;
551 return -1;
552 }
553
554 static off_t vfs_gluster_lseek(struct vfs_handle_struct *handle,
555 files_struct *fsp, off_t offset, int whence)
556 {
557 return glfs_lseek(glfd_fd_get(fsp->fh->fd), offset, whence);
558 }
559
560 static ssize_t vfs_gluster_sendfile(struct vfs_handle_struct *handle, int tofd,
561 files_struct *fromfsp,
562 const DATA_BLOB *hdr,
563 off_t offset, size_t n)
564 {
565 errno = ENOTSUP;
566 return -1;
567 }
568
569 static ssize_t vfs_gluster_recvfile(struct vfs_handle_struct *handle,
570 int fromfd, files_struct *tofsp,
571 off_t offset, size_t n)
572 {
573 errno = ENOTSUP;
574 return -1;
575 }
576
577 static int vfs_gluster_rename(struct vfs_handle_struct *handle,
578 const struct smb_filename *smb_fname_src,
579 const struct smb_filename *smb_fname_dst)
580 {
581 return glfs_rename(handle->data, smb_fname_src->base_name,
582 smb_fname_dst->base_name);
583 }
584
585 static int vfs_gluster_fsync(struct vfs_handle_struct *handle,
586 files_struct *fsp)
587 {
588 return glfs_fsync(glfd_fd_get(fsp->fh->fd));
589 }
590
591 static struct tevent_req *vfs_gluster_fsync_send(struct vfs_handle_struct
592 *handle, TALLOC_CTX *mem_ctx,
593 struct tevent_context *ev,
594 files_struct *fsp)
595 {
596 errno = ENOTSUP;
597 return NULL;
598 }
599
600 static int vfs_gluster_fsync_recv(struct tevent_req *req, int *err)
601 {
602 errno = ENOTSUP;
603 return -1;
604 }
605
606 static int vfs_gluster_stat(struct vfs_handle_struct *handle,
607 struct smb_filename *smb_fname)
608 {
609 struct stat st;
610 int ret;
611
612 ret = glfs_stat(handle->data, smb_fname->base_name, &st);
613 if (ret == 0) {
614 smb_stat_ex_from_stat(&smb_fname->st, &st);
615 }
616 if (ret < 0 && errno != ENOENT) {
617 DEBUG(0, ("glfs_stat(%s) failed: %s\n",
618 smb_fname->base_name, strerror(errno)));
619 }
620 return ret;
621 }
622
623 static int vfs_gluster_fstat(struct vfs_handle_struct *handle,
624 files_struct *fsp, SMB_STRUCT_STAT *sbuf)
625 {
626 struct stat st;
627 int ret;
628
629 ret = glfs_fstat(glfd_fd_get(fsp->fh->fd), &st);
630 if (ret == 0) {
631 smb_stat_ex_from_stat(sbuf, &st);
632 }
633 if (ret < 0) {
634 DEBUG(0, ("glfs_fstat(%d) failed: %s\n",
635 fsp->fh->fd, strerror(errno)));
636 }
637 return ret;
638 }
639
640 static int vfs_gluster_lstat(struct vfs_handle_struct *handle,
641 struct smb_filename *smb_fname)
642 {
643 struct stat st;
644 int ret;
645
646 ret = glfs_lstat(handle->data, smb_fname->base_name, &st);
647 if (ret == 0) {
648 smb_stat_ex_from_stat(&smb_fname->st, &st);
649 }
650 if (ret < 0 && errno != ENOENT) {
651 DEBUG(0, ("glfs_lstat(%s) failed: %s\n",
652 smb_fname->base_name, strerror(errno)));
653 }
654 return ret;
655 }
656
657 static uint64_t vfs_gluster_get_alloc_size(struct vfs_handle_struct *handle,
658 files_struct *fsp,
659 const SMB_STRUCT_STAT *sbuf)
660 {
661 return sbuf->st_ex_blocks * 512;
662 }
663
664 static int vfs_gluster_unlink(struct vfs_handle_struct *handle,
665 const struct smb_filename *smb_fname)
666 {
667 return glfs_unlink(handle->data, smb_fname->base_name);
668 }
669
670 static int vfs_gluster_chmod(struct vfs_handle_struct *handle,
671 const char *path, mode_t mode)
672 {
673 return glfs_chmod(handle->data, path, mode);
674 }
675
676 static int vfs_gluster_fchmod(struct vfs_handle_struct *handle,
677 files_struct *fsp, mode_t mode)
678 {
679 return glfs_fchmod(glfd_fd_get(fsp->fh->fd), mode);
680 }
681
682 static int vfs_gluster_chown(struct vfs_handle_struct *handle,
683 const char *path, uid_t uid, gid_t gid)
684 {
685 return glfs_chown(handle->data, path, uid, gid);
686 }
687
688 static int vfs_gluster_fchown(struct vfs_handle_struct *handle,
689 files_struct *fsp, uid_t uid, gid_t gid)
690 {
691 return glfs_fchown(glfd_fd_get(fsp->fh->fd), uid, gid);
692 }
693
694 static int vfs_gluster_lchown(struct vfs_handle_struct *handle,
695 const char *path, uid_t uid, gid_t gid)
696 {
697 return glfs_lchown(handle->data, path, uid, gid);
698 }
699
700 static int vfs_gluster_chdir(struct vfs_handle_struct *handle, const char *path)
701 {
702 return glfs_chdir(handle->data, path);
703 }
704
705 static char *vfs_gluster_getwd(struct vfs_handle_struct *handle)
706 {
707 char *cwd;
708 char *ret;
709
710 cwd = SMB_CALLOC_ARRAY(char, PATH_MAX);
711 if (cwd == NULL) {
712 return NULL;
713 }
714
715 ret = glfs_getcwd(handle->data, cwd, PATH_MAX - 1);
716 if (ret == 0) {
717 free(cwd);
718 }
719 return ret;
720 }
721
722 static int vfs_gluster_ntimes(struct vfs_handle_struct *handle,
723 const struct smb_filename *smb_fname,
724 struct smb_file_time *ft)
725 {
726 struct timespec times[2];
727
728 times[0].tv_sec = ft->atime.tv_sec;
729 times[0].tv_nsec = ft->atime.tv_nsec;
730 times[1].tv_sec = ft->mtime.tv_sec;
731 times[1].tv_nsec = ft->mtime.tv_nsec;
732
733 return glfs_utimens(handle->data, smb_fname->base_name, times);
734 }
735
736 static int vfs_gluster_ftruncate(struct vfs_handle_struct *handle,
737 files_struct *fsp, off_t offset)
738 {
739 return glfs_ftruncate(glfd_fd_get(fsp->fh->fd), offset);
740 }
741
742 static int vfs_gluster_fallocate(struct vfs_handle_struct *handle,
743 struct files_struct *fsp,
744 enum vfs_fallocate_mode mode,
745 off_t offset, off_t len)
746 {
747 errno = ENOTSUP;
748 return -1;
749 }
750
751 static char *vfs_gluster_realpath(struct vfs_handle_struct *handle,
752 const char *path)
753 {
754 return glfs_realpath(handle->data, path, 0);
755 }
756
757 static bool vfs_gluster_lock(struct vfs_handle_struct *handle,
758 files_struct *fsp, int op, off_t offset,
759 off_t count, int type)
760 {
761 struct flock flock = { 0, };
762 int ret;
763
764 flock.l_type = type;
765 flock.l_whence = SEEK_SET;
766 flock.l_start = offset;
767 flock.l_len = count;
768 flock.l_pid = 0;
769
770 ret = glfs_posix_lock(glfd_fd_get(fsp->fh->fd), op, &flock);
771
772 if (op == F_GETLK) {
773 /* lock query, true if someone else has locked */
774 if ((ret != -1) &&
775 (flock.l_type != F_UNLCK) &&
776 (flock.l_pid != 0) && (flock.l_pid != getpid()))
777 return true;
778 /* not me */
779 return false;
780 }
781
782 if (ret == -1) {
783 return false;
784 }
785
786 return true;
787 }
788
789 static int vfs_gluster_kernel_flock(struct vfs_handle_struct *handle,
790 files_struct *fsp, uint32 share_mode,
791 uint32_t access_mask)
792 {
793 errno = ENOSYS;
794 return -1;
795 }
796
797 static int vfs_gluster_linux_setlease(struct vfs_handle_struct *handle,
798 files_struct *fsp, int leasetype)
799 {
800 errno = ENOSYS;
801 return -1;
802 }
803
804 static bool vfs_gluster_getlock(struct vfs_handle_struct *handle,
805 files_struct *fsp, off_t *poffset,
806 off_t *pcount, int *ptype, pid_t *ppid)
807 {
808 struct flock flock = { 0, };
809 int ret;
810
811 flock.l_type = *ptype;
812 flock.l_whence = SEEK_SET;
813 flock.l_start = *poffset;
814 flock.l_len = *pcount;
815 flock.l_pid = 0;
816
817 ret = glfs_posix_lock(glfd_fd_get(fsp->fh->fd), F_GETLK, &flock);
818
819 if (ret == -1) {
820 return false;
821 }
822
823 *ptype = flock.l_type;
824 *poffset = flock.l_start;
825 *pcount = flock.l_len;
826 *ppid = flock.l_pid;
827
828 return true;
829 }
830
831 static int vfs_gluster_symlink(struct vfs_handle_struct *handle,
832 const char *oldpath, const char *newpath)
833 {
834 return glfs_symlink(handle->data, oldpath, newpath);
835 }
836
837 static int vfs_gluster_readlink(struct vfs_handle_struct *handle,
838 const char *path, char *buf, size_t bufsiz)
839 {
840 return glfs_readlink(handle->data, path, buf, bufsiz);
841 }
842
843 static int vfs_gluster_link(struct vfs_handle_struct *handle,
844 const char *oldpath, const char *newpath)
845 {
846 return glfs_link(handle->data, oldpath, newpath);
847 }
848
849 static int vfs_gluster_mknod(struct vfs_handle_struct *handle, const char *path,
850 mode_t mode, SMB_DEV_T dev)
851 {
852 return glfs_mknod(handle->data, path, mode, dev);
853 }
854
855 static NTSTATUS vfs_gluster_notify_watch(struct vfs_handle_struct *handle,
856 struct sys_notify_context *ctx,
857 const char *path, uint32_t *filter,
858 uint32_t *subdir_filter,
859 void (*callback) (struct sys_notify_context *ctx,
860 void *private_data,
861 struct notify_event *ev),
862 void *private_data, void *handle_p)
863 {
864 return NT_STATUS_NOT_IMPLEMENTED;
865 }
866
867 static int vfs_gluster_chflags(struct vfs_handle_struct *handle,
868 const char *path, unsigned int flags)
869 {
870 errno = ENOSYS;
871 return -1;
872 }
873
874 static int vfs_gluster_get_real_filename(struct vfs_handle_struct *handle,
875 const char *path, const char *name,
876 TALLOC_CTX *mem_ctx, char **found_name)
877 {
878 int ret;
879 char key_buf[NAME_MAX + 64];
880 char val_buf[NAME_MAX + 1];
881
882 if (strlen(name) >= NAME_MAX) {
883 errno = ENAMETOOLONG;
884 return -1;
885 }
886
887 snprintf(key_buf, NAME_MAX + 64,
888 "user.glusterfs.get_real_filename:%s", name);
889
890 ret = glfs_getxattr(handle->data, path, key_buf, val_buf, NAME_MAX + 1);
891 if (ret == -1) {
892 if (errno == ENODATA) {
893 errno = EOPNOTSUPP;
894 }
895 return -1;
896 }
897
898 *found_name = talloc_strdup(mem_ctx, val_buf);
899 if (found_name[0] == NULL) {
900 errno = ENOMEM;
901 return -1;
902 }
903 return 0;
904 }
905
906 static const char *vfs_gluster_connectpath(struct vfs_handle_struct *handle,
907 const char *filename)
908 {
909 return handle->conn->connectpath;
910 }
911
912 /* EA Operations */
913
914 static ssize_t vfs_gluster_getxattr(struct vfs_handle_struct *handle,
915 const char *path, const char *name,
916 void *value, size_t size)
917 {
918 return glfs_getxattr(handle->data, path, name, value, size);
919 }
920
921 static ssize_t vfs_gluster_fgetxattr(struct vfs_handle_struct *handle,
922 files_struct *fsp, const char *name,
923 void *value, size_t size)
924 {
925 return glfs_fgetxattr(glfd_fd_get(fsp->fh->fd), name, value, size);
926 }
927
928 static ssize_t vfs_gluster_listxattr(struct vfs_handle_struct *handle,
929 const char *path, char *list, size_t size)
930 {
931 return glfs_listxattr(handle->data, path, list, size);
932 }
933
934 static ssize_t vfs_gluster_flistxattr(struct vfs_handle_struct *handle,
935 files_struct *fsp, char *list,
936 size_t size)
937 {
938 return glfs_flistxattr(glfd_fd_get(fsp->fh->fd), list, size);
939 }
940
941 static int vfs_gluster_removexattr(struct vfs_handle_struct *handle,
942 const char *path, const char *name)
943 {
944 return glfs_removexattr(handle->data, path, name);
945 }
946
947 static int vfs_gluster_fremovexattr(struct vfs_handle_struct *handle,
948 files_struct *fsp, const char *name)
949 {
950 return glfs_fremovexattr(glfd_fd_get(fsp->fh->fd), name);
951 }
952
953 static int vfs_gluster_setxattr(struct vfs_handle_struct *handle,
954 const char *path, const char *name,
955 const void *value, size_t size, int flags)
956 {
957 return glfs_setxattr(handle->data, path, name, value, size, flags);
958 }
959
960 static int vfs_gluster_fsetxattr(struct vfs_handle_struct *handle,
961 files_struct *fsp, const char *name,
962 const void *value, size_t size, int flags)
963 {
964 return glfs_fsetxattr(glfd_fd_get(fsp->fh->fd), name, value, size,
965 flags);
966 }
967
968 /* AIO Operations */
969
970 static bool vfs_gluster_aio_force(struct vfs_handle_struct *handle,
971 files_struct *fsp)
972 {
973 return false;
974 }
975
976 /* Offline Operations */
977
978 static bool vfs_gluster_is_offline(struct vfs_handle_struct *handle,
979 const struct smb_filename *fname,
980 SMB_STRUCT_STAT *sbuf)
981 {
982 return false;
983 }
984
985 static int vfs_gluster_set_offline(struct vfs_handle_struct *handle,
986 const struct smb_filename *fname)
987 {
988 errno = ENOTSUP;
989 return -1;
990 }
991
992 /*
993 Gluster ACL Format:
994
995 Size = 4 (header) + N * 8 (entry)
996
997 Offset Size Field (Little Endian)
998 -------------------------------------
999 0-3 4-byte Version
1000
1001 4-5 2-byte Entry-1 tag
1002 6-7 2-byte Entry-1 perm
1003 8-11 4-byte Entry-1 id
1004
1005 12-13 2-byte Entry-2 tag
1006 14-15 2-byte Entry-2 perm
1007 16-19 4-byte Entry-2 id
1008
1009 ...
1010
1011 */
1012
1013 /* header version */
1014 #define GLUSTER_ACL_VERSION 2
1015
1016 /* perm bits */
1017 #define GLUSTER_ACL_READ 0x04
1018 #define GLUSTER_ACL_WRITE 0x02
1019 #define GLUSTER_ACL_EXECUTE 0x01
1020
1021 /* tag values */
1022 #define GLUSTER_ACL_UNDEFINED_TAG 0x00
1023 #define GLUSTER_ACL_USER_OBJ 0x01
1024 #define GLUSTER_ACL_USER 0x02
1025 #define GLUSTER_ACL_GROUP_OBJ 0x04
1026 #define GLUSTER_ACL_GROUP 0x08
1027 #define GLUSTER_ACL_MASK 0x10
1028 #define GLUSTER_ACL_OTHER 0x20
1029
1030 #define GLUSTER_ACL_UNDEFINED_ID (-1)
1031
1032 #define GLUSTER_ACL_HEADER_SIZE 4
1033 #define GLUSTER_ACL_ENTRY_SIZE 8
1034
1035 static SMB_ACL_T gluster_to_smb_acl(const char *buf, size_t xattr_size,
1036 TALLOC_CTX *mem_ctx)
1037 {
1038 int count;
1039 size_t size;
1040 struct smb_acl_entry *smb_ace;
1041 struct smb_acl_t *result;
1042 int i;
1043 int offset;
1044 uint16_t tag;
1045 uint16_t perm;
1046 uint32_t id;
1047
1048 size = xattr_size;
1049
1050 if (size < GLUSTER_ACL_HEADER_SIZE) {
1051 /* ACL should be at least as big as the header (4 bytes) */
1052 errno = EINVAL;
1053 return NULL;
1054 }
1055
1056 size -= GLUSTER_ACL_HEADER_SIZE; /* size of header = 4 bytes */
1057
1058 if (size % GLUSTER_ACL_ENTRY_SIZE) {
1059 /* Size of entries must strictly be a multiple of
1060 size of an ACE (8 bytes)
1061 */
1062 errno = EINVAL;
1063 return NULL;
1064 }
1065
1066 count = size / GLUSTER_ACL_ENTRY_SIZE;
1067
1068 /* Version is the first 4 bytes of the ACL */
1069 if (IVAL(buf, 0) != GLUSTER_ACL_VERSION) {
1070 DEBUG(0, ("Unknown gluster ACL version: %d\n",
1071 IVAL(buf, 0)));
1072 return NULL;
1073 }
1074 offset = GLUSTER_ACL_HEADER_SIZE;
1075
1076 result = sys_acl_init(mem_ctx);
1077 if (!result) {
1078 errno = ENOMEM;
1079 return NULL;
1080 }
1081
1082 result->acl = talloc_array(result, struct smb_acl_entry, count);
1083 if (!result->acl) {
1084 errno = ENOMEM;
1085 talloc_free(result);
1086 return NULL;
1087 }
1088
1089 result->count = count;
1090
1091 smb_ace = result->acl;
1092
1093 for (i = 0; i < count; i++) {
1094 /* TAG is the first 2 bytes of an entry */
1095 tag = SVAL(buf, offset);
1096 offset += 2;
1097
1098 /* PERM is the next 2 bytes of an entry */
1099 perm = SVAL(buf, offset);
1100 offset += 2;
1101
1102 /* ID is the last 4 bytes of an entry */
1103 id = IVAL(buf, offset);
1104 offset += 4;
1105
1106 switch(tag) {
1107 case GLUSTER_ACL_USER:
1108 smb_ace->a_type = SMB_ACL_USER;
1109 break;
1110 case GLUSTER_ACL_USER_OBJ:
1111 smb_ace->a_type = SMB_ACL_USER_OBJ;
1112 break;
1113 case GLUSTER_ACL_GROUP:
1114 smb_ace->a_type = SMB_ACL_GROUP;
1115 break;
1116 case GLUSTER_ACL_GROUP_OBJ:
1117 smb_ace->a_type = SMB_ACL_GROUP_OBJ;
1118 break;
1119 case GLUSTER_ACL_OTHER:
1120 smb_ace->a_type = SMB_ACL_OTHER;
1121 break;
1122 case GLUSTER_ACL_MASK:
1123 smb_ace->a_type = SMB_ACL_MASK;
1124 break;
1125 default:
1126 DEBUG(0, ("unknown tag type %d\n", (unsigned int) tag));
1127 return NULL;
1128 }
1129
1130
1131 switch(smb_ace->a_type) {
1132 case SMB_ACL_USER:
1133 smb_ace->info.user.uid = id;
1134 break;
1135 case SMB_ACL_GROUP:
1136 smb_ace->info.group.gid = id;
1137 break;
1138 default:
1139 break;
1140 }
1141
1142 smb_ace->a_perm = 0;
1143 smb_ace->a_perm |=
1144 ((perm & GLUSTER_ACL_READ) ? SMB_ACL_READ : 0);
1145 smb_ace->a_perm |=
1146 ((perm & GLUSTER_ACL_WRITE) ? SMB_ACL_WRITE : 0);
1147 smb_ace->a_perm |=
1148 ((perm & GLUSTER_ACL_EXECUTE) ? SMB_ACL_EXECUTE : 0);
1149
1150 smb_ace++;
1151 }
1152
1153 return result;
1154 }
1155
1156
1157 static int gluster_ace_cmp(const void *left, const void *right)
1158 {
1159 int ret = 0;
1160 uint16_t tag_left, tag_right;
1161 uint32_t id_left, id_right;
1162
1163 /*
1164 Sorting precedence:
1165
1166 - Smaller TAG values must be earlier.
1167
1168 - Within same TAG, smaller identifiers must be earlier, E.g:
1169 UID 0 entry must be earlier than UID 200
1170 GID 17 entry must be earlier than GID 19
1171 */
1172
1173 /* TAG is the first element in the entry */
1174 tag_left = SVAL(left, 0);
1175 tag_right = SVAL(right, 0);
1176
1177 ret = (tag_left - tag_right);
1178 if (!ret) {
1179 /* ID is the third element in the entry, after two short
1180 integers (tag and perm), i.e at offset 4.
1181 */
1182 id_left = IVAL(left, 4);
1183 id_right = IVAL(right, 4);
1184 ret = id_left - id_right;
1185 }
1186
1187 return ret;
1188 }
1189
1190
1191 static ssize_t smb_to_gluster_acl(SMB_ACL_T theacl, char *buf, size_t len)
1192 {
1193 ssize_t size;
1194 struct smb_acl_entry *smb_ace;
1195 int i;
1196 int count;
1197 uint16_t tag;
1198 uint16_t perm;
1199 uint32_t id;
1200 int offset;
1201
1202 count = theacl->count;
1203
1204 size = GLUSTER_ACL_HEADER_SIZE + (count * GLUSTER_ACL_ENTRY_SIZE);
1205 if (!buf) {
1206 return size;
1207 }
1208
1209 if (len < size) {
1210 errno = ERANGE;
1211 return -1;
1212 }
1213
1214 smb_ace = theacl->acl;
1215
1216 /* Version is the first 4 bytes of the ACL */
1217 SIVAL(buf, 0, GLUSTER_ACL_VERSION);
1218 offset = GLUSTER_ACL_HEADER_SIZE;
1219
1220 for (i = 0; i < count; i++) {
1221 /* Calculate tag */
1222 switch(smb_ace->a_type) {
1223 case SMB_ACL_USER:
1224 tag = GLUSTER_ACL_USER;
1225 break;
1226 case SMB_ACL_USER_OBJ:
1227 tag = GLUSTER_ACL_USER_OBJ;
1228 break;
1229 case SMB_ACL_GROUP:
1230 tag = GLUSTER_ACL_GROUP;
1231 break;
1232 case SMB_ACL_GROUP_OBJ:
1233 tag = GLUSTER_ACL_GROUP_OBJ;
1234 break;
1235 case SMB_ACL_OTHER:
1236 tag = GLUSTER_ACL_OTHER;
1237 break;
1238 case SMB_ACL_MASK:
1239 tag = GLUSTER_ACL_MASK;
1240 break;
1241 default:
1242 DEBUG(0, ("Unknown tag value %d\n",
1243 smb_ace->a_type));
1244 errno = EINVAL;
1245 return -1;
1246 }
1247
1248
1249 /* Calculate id */
1250 switch(smb_ace->a_type) {
1251 case SMB_ACL_USER:
1252 id = smb_ace->info.user.uid;
1253 break;
1254 case SMB_ACL_GROUP:
1255 id = smb_ace->info.group.gid;
1256 break;
1257 default:
1258 id = GLUSTER_ACL_UNDEFINED_ID;
1259 break;
1260 }
1261
1262 /* Calculate perm */
1263 perm = 0;
1264
1265 perm |=
1266 ((smb_ace->a_perm & SMB_ACL_READ) ? GLUSTER_ACL_READ : 0);
1267 perm |=
1268 ((smb_ace->a_perm & SMB_ACL_WRITE) ? GLUSTER_ACL_WRITE : 0);
1269 perm |=
1270 ((smb_ace->a_perm & SMB_ACL_EXECUTE) ? GLUSTER_ACL_EXECUTE : 0);
1271
1272
1273 /* TAG is the first 2 bytes of an entry */
1274 SSVAL(buf, offset, tag);
1275 offset += 2;
1276
1277 /* PERM is the next 2 bytes of an entry */
1278 SSVAL(buf, offset, perm);
1279 offset += 2;
1280
1281 /* ID is the last 4 bytes of an entry */
1282 SIVAL(buf, offset, id);
1283 offset += 4;
1284
1285 smb_ace++;
1286 }
1287
1288 /* Skip the header, sort @count number of 8-byte entries */
1289 qsort(buf+GLUSTER_ACL_HEADER_SIZE, count, GLUSTER_ACL_ENTRY_SIZE,
1290 gluster_ace_cmp);
1291
1292 return size;
1293 }
1294
1295
1296 static SMB_ACL_T vfs_gluster_sys_acl_get_file(struct vfs_handle_struct *handle,
1297 const char *path_p,
1298 SMB_ACL_TYPE_T type,
1299 TALLOC_CTX *mem_ctx)
1300 {
1301 struct smb_acl_t *result;
1302 char *buf;
1303 const char *key;
1304 ssize_t ret;
1305
1306 switch (type) {
1307 case SMB_ACL_TYPE_ACCESS:
1308 key = "system.posix_acl_access";
1309 break;
1310 case SMB_ACL_TYPE_DEFAULT:
1311 key = "system.posix_acl_default";
1312 break;
1313 default:
1314 errno = EINVAL;
1315 return NULL;
1316 }
1317
1318 ret = glfs_getxattr(handle->data, path_p, key, 0, 0);
1319 if (ret <= 0) {
1320 return NULL;
1321 }
1322
1323 buf = alloca(ret);
1324 ret = glfs_getxattr(handle->data, path_p, key, buf, ret);
1325 if (ret <= 0) {
1326 return NULL;
1327 }
1328
1329 result = gluster_to_smb_acl(buf, ret, mem_ctx);
1330
1331 return result;
1332 }
1333
1334 static SMB_ACL_T vfs_gluster_sys_acl_get_fd(struct vfs_handle_struct *handle,
1335 struct files_struct *fsp,
1336 TALLOC_CTX *mem_ctx)
1337 {
1338 struct smb_acl_t *result;
1339 int ret;
1340 char *buf;
1341
1342 ret = glfs_fgetxattr(glfd_fd_get(fsp->fh->fd),
1343 "system.posix_acl_access", 0, 0);
1344 if (ret <= 0) {
1345 return NULL;
1346 }
1347
1348 buf = alloca(ret);
1349 ret = glfs_fgetxattr(glfd_fd_get(fsp->fh->fd),
1350 "system.posix_acl_access", buf, ret);
1351 if (ret <= 0) {
1352 return NULL;
1353 }
1354
1355 result = gluster_to_smb_acl(buf, ret, mem_ctx);
1356
1357 return result;
1358 }
1359
1360 static int vfs_gluster_sys_acl_set_file(struct vfs_handle_struct *handle,
1361 const char *name,
1362 SMB_ACL_TYPE_T acltype,
1363 SMB_ACL_T theacl)
1364 {
1365 int ret;
1366 const char *key;
1367 char *buf;
1368 ssize_t size;
1369
1370 switch (acltype) {
1371 case SMB_ACL_TYPE_ACCESS:
1372 key = "system.posix_acl_access";
1373 break;
1374 case SMB_ACL_TYPE_DEFAULT:
1375 key = "system.posix_acl_default";
1376 break;
1377 default:
1378 errno = EINVAL;
1379 return -1;
1380 }
1381
1382 size = smb_to_gluster_acl(theacl, 0, 0);
1383 buf = alloca(size);
1384
1385 size = smb_to_gluster_acl(theacl, buf, size);
1386 if (size == -1) {
1387 return -1;
1388 }
1389
1390 ret = glfs_setxattr(handle->data, name, key, buf, size, 0);
1391
1392 return ret;
1393 }
1394
1395 static int vfs_gluster_sys_acl_set_fd(struct vfs_handle_struct *handle,
1396 struct files_struct *fsp,
1397 SMB_ACL_T theacl)
1398 {
1399 int ret;
1400 char *key;
1401 char *buf;
1402 ssize_t size;
1403
1404 size = smb_to_gluster_acl(theacl, 0, 0);
1405 buf = alloca(size);
1406
1407 size = smb_to_gluster_acl(theacl, buf, size);
1408 if (size == -1) {
1409 return -1;
1410 }
1411
1412 ret = glfs_fsetxattr(glfd_fd_get(fsp->fh->fd),
1413 "system.posix_acl_access", buf, size, 0);
1414 return ret;
1415 }
1416
1417 static int vfs_gluster_sys_acl_delete_def_file(struct vfs_handle_struct *handle,
1418 const char *path)
1419 {
1420 return glfs_removexattr(handle->data, path, "system.posix_acl_default");
1421 }
1422
1423 static struct vfs_fn_pointers glusterfs_fns = {
1424
1425 /* Disk Operations */
1426
1427 .connect_fn = vfs_gluster_connect,
1428 .disconnect_fn = vfs_gluster_disconnect,
1429 .disk_free_fn = vfs_gluster_disk_free,
1430 .get_quota_fn = vfs_gluster_get_quota,
1431 .set_quota_fn = vfs_gluster_set_quota,
1432 .statvfs_fn = vfs_gluster_statvfs,
1433 .fs_capabilities_fn = vfs_gluster_fs_capabilities,
1434
1435 .get_dfs_referrals_fn = NULL,
1436
1437 /* Directory Operations */
1438
1439 .opendir_fn = vfs_gluster_opendir,
1440 .fdopendir_fn = vfs_gluster_fdopendir,
1441 .readdir_fn = vfs_gluster_readdir,
1442 .seekdir_fn = vfs_gluster_seekdir,
1443 .telldir_fn = vfs_gluster_telldir,
1444 .rewind_dir_fn = vfs_gluster_rewinddir,
1445 .mkdir_fn = vfs_gluster_mkdir,
1446 .rmdir_fn = vfs_gluster_rmdir,
1447 .closedir_fn = vfs_gluster_closedir,
1448 .init_search_op_fn = vfs_gluster_init_search_op,
1449
1450 /* File Operations */
1451
1452 .open_fn = vfs_gluster_open,
1453 .create_file_fn = NULL,
1454 .close_fn = vfs_gluster_close,
1455 .read_fn = vfs_gluster_read,
1456 .pread_fn = vfs_gluster_pread,
1457 .pread_send_fn = vfs_gluster_pread_send,
1458 .pread_recv_fn = vfs_gluster_pread_recv,
1459 .write_fn = vfs_gluster_write,
1460 .pwrite_fn = vfs_gluster_pwrite,
1461 .pwrite_send_fn = vfs_gluster_pwrite_send,
1462 .pwrite_recv_fn = vfs_gluster_pwrite_recv,
1463 .lseek_fn = vfs_gluster_lseek,
1464 .sendfile_fn = vfs_gluster_sendfile,
1465 .recvfile_fn = vfs_gluster_recvfile,
1466 .rename_fn = vfs_gluster_rename,
1467 .fsync_fn = vfs_gluster_fsync,
1468 .fsync_send_fn = vfs_gluster_fsync_send,
1469 .fsync_recv_fn = vfs_gluster_fsync_recv,
1470
1471 .stat_fn = vfs_gluster_stat,
1472 .fstat_fn = vfs_gluster_fstat,
1473 .lstat_fn = vfs_gluster_lstat,
1474 .get_alloc_size_fn = vfs_gluster_get_alloc_size,
1475 .unlink_fn = vfs_gluster_unlink,
1476
1477 .chmod_fn = vfs_gluster_chmod,
1478 .fchmod_fn = vfs_gluster_fchmod,
1479 .chown_fn = vfs_gluster_chown,
1480 .fchown_fn = vfs_gluster_fchown,
1481 .lchown_fn = vfs_gluster_lchown,
1482 .chdir_fn = vfs_gluster_chdir,
1483 .getwd_fn = vfs_gluster_getwd,
1484 .ntimes_fn = vfs_gluster_ntimes,
1485 .ftruncate_fn = vfs_gluster_ftruncate,
1486 .fallocate_fn = vfs_gluster_fallocate,
1487 .lock_fn = vfs_gluster_lock,
1488 .kernel_flock_fn = vfs_gluster_kernel_flock,
1489 .linux_setlease_fn = vfs_gluster_linux_setlease,
1490 .getlock_fn = vfs_gluster_getlock,
1491 .symlink_fn = vfs_gluster_symlink,
1492 .readlink_fn = vfs_gluster_readlink,
1493 .link_fn = vfs_gluster_link,
1494 .mknod_fn = vfs_gluster_mknod,
1495 .realpath_fn = vfs_gluster_realpath,
1496 .notify_watch_fn = vfs_gluster_notify_watch,
1497 .chflags_fn = vfs_gluster_chflags,
1498 .file_id_create_fn = NULL,
1499 .copy_chunk_send_fn = NULL,
1500 .copy_chunk_recv_fn = NULL,
1501 .streaminfo_fn = NULL,
1502 .get_real_filename_fn = vfs_gluster_get_real_filename,
1503 .connectpath_fn = vfs_gluster_connectpath,
1504
1505 .brl_lock_windows_fn = NULL,
1506 .brl_unlock_windows_fn = NULL,
1507 .brl_cancel_windows_fn = NULL,
1508 .strict_lock_fn = NULL,
1509 .strict_unlock_fn = NULL,
1510 .translate_name_fn = NULL,
1511 .fsctl_fn = NULL,
1512
1513 /* NT ACL Operations */
1514 .fget_nt_acl_fn = NULL,
1515 .get_nt_acl_fn = NULL,
1516 .fset_nt_acl_fn = NULL,
1517 .audit_file_fn = NULL,
1518
1519 /* Posix ACL Operations */
1520 .chmod_acl_fn = NULL, /* passthrough to default */
1521 .fchmod_acl_fn = NULL, /* passthrough to default */
1522 .sys_acl_get_file_fn = vfs_gluster_sys_acl_get_file,
1523 .sys_acl_get_fd_fn = vfs_gluster_sys_acl_get_fd,
1524 .sys_acl_blob_get_file_fn = posix_sys_acl_blob_get_file,
1525 .sys_acl_blob_get_fd_fn = posix_sys_acl_blob_get_fd,
1526 .sys_acl_set_file_fn = vfs_gluster_sys_acl_set_file,
1527 .sys_acl_set_fd_fn = vfs_gluster_sys_acl_set_fd,
1528 .sys_acl_delete_def_file_fn = vfs_gluster_sys_acl_delete_def_file,
1529
1530 /* EA Operations */
1531 .getxattr_fn = vfs_gluster_getxattr,
1532 .fgetxattr_fn = vfs_gluster_fgetxattr,
1533 .listxattr_fn = vfs_gluster_listxattr,
1534 .flistxattr_fn = vfs_gluster_flistxattr,
1535 .removexattr_fn = vfs_gluster_removexattr,
1536 .fremovexattr_fn = vfs_gluster_fremovexattr,
1537 .setxattr_fn = vfs_gluster_setxattr,
1538 .fsetxattr_fn = vfs_gluster_fsetxattr,
1539
1540 /* AIO Operations */
1541 .aio_force_fn = vfs_gluster_aio_force,
1542
1543 /* Offline Operations */
1544 .is_offline_fn = vfs_gluster_is_offline,
1545 .set_offline_fn = vfs_gluster_set_offline,
1546
1547 /* Durable handle Operations */
1548 .durable_cookie_fn = NULL,
1549 .durable_disconnect_fn = NULL,
1550 .durable_reconnect_fn = NULL,
1551 };
1552
1553 NTSTATUS vfs_glusterfs_init(void);
1554 NTSTATUS vfs_glusterfs_init(void)
1555 {
1556 return smb_register_vfs(SMB_VFS_INTERFACE_VERSION,
1557 "glusterfs", &glusterfs_fns);
1558 }
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