xref: /dragonfly/sys/sys/vfsops.h (revision 409b4c59)
1 /*
2  * Copyright (c) 2004 The DragonFly Project.  All rights reserved.
3  *
4  * This code is derived from software contributed to The DragonFly Project
5  * by Matthew Dillon <dillon@backplane.com>
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  *
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in
15  *    the documentation and/or other materials provided with the
16  *    distribution.
17  * 3. Neither the name of The DragonFly Project nor the names of its
18  *    contributors may be used to endorse or promote products derived
19  *    from this software without specific, prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
24  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE
25  * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
26  * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
27  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
28  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
29  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
30  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
31  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32  * SUCH DAMAGE.
33  *
34  * $DragonFly: src/sys/sys/vfsops.h,v 1.32 2008/06/19 23:27:36 dillon Exp $
35  */
36 
37 /*
38  * The vop_ops structure vectors all access to a filesystem.  It contains a
39  * fixed set of vectors.
40  *
41  * In DragonFly the ultimate goal is to thread the VFS, which means that
42  * the dispatch functions will eventually be called from the context of
43  * a management thread rather then directly called by a process.  This
44  * requires us to divorce direct process dependancies (in particular ioctl
45  * and UIO's).  In addition, it is our intention to implement kernel
46  * level cache management and coherency in the vop_*() interfacing
47  * layer.
48  *
49  * The number of management threads will depend on the VFS.  The idea is
50  * to give a high performance VFS such as UFS at least one thread per cpu,
51  * and a low performance VFS such as CD9660 perhaps just one thread period.
52  * Blocking issues within the management thread are up to the VFS itself,
53  * but DragonFly will introduce a layer above the VFS to handle cacheable
54  * requests without having to enter the VFS (e.g. by making attribute
55  * and VM object information a permanent fixture of the vnode structure
56  * and accessing them directly).
57  *
58  * THE VOPOPS VECTORS SHOULD NEVER BE CALLED DIRECTLY!  Instead always use
59  * the kernel helper procedures vop_*() to call a vopop.  The kernel
60  * helper procedure will be responsible for handling the DragonFly messaging
61  * conversion when it occurs.
62  */
63 
64 #ifndef _SYS_VFSOPS_H_
65 #define	_SYS_VFSOPS_H_
66 
67 #ifndef _SYS_ACL_H_
68 #include <sys/acl.h>
69 #endif
70 #ifndef _SYS_BUF_H_
71 #include <sys/buf.h>	/* buf_cmd_t */
72 #endif
73 
74 struct syslink_desc;
75 struct vnode;
76 struct thread;
77 struct nchandle;
78 struct componentname;
79 struct vattr;
80 struct ucred;
81 struct uio;
82 struct file;
83 struct knote;
84 struct vm_object;
85 struct vm_page;
86 struct vfscache;
87 
88 struct vop_generic_args {
89 	struct syslink_desc *a_desc;	/* command descriptor for the call */
90 	struct vop_ops *a_ops;		/* operations vector for the call */
91 	int a_reserved[4];
92 };
93 
94 struct vop_old_lookup_args {
95 	struct vop_generic_args a_head;
96 	struct vnode *a_dvp;
97 	struct vnode **a_vpp;
98 	struct componentname *a_cnp;
99 };
100 
101 struct vop_old_create_args {
102 	struct vop_generic_args a_head;
103 	struct vnode *a_dvp;
104 	struct vnode **a_vpp;
105 	struct componentname *a_cnp;
106 	struct vattr *a_vap;
107 };
108 
109 struct vop_old_whiteout_args {
110 	struct vop_generic_args a_head;
111 	struct vnode *a_dvp;
112 	struct componentname *a_cnp;
113 	int a_flags;
114 };
115 
116 struct vop_old_mknod_args {
117 	struct vop_generic_args a_head;
118 	struct vnode *a_dvp;
119 	struct vnode **a_vpp;
120 	struct componentname *a_cnp;
121 	struct vattr *a_vap;
122 };
123 
124 struct vop_open_args {
125 	struct vop_generic_args a_head;
126 	struct vnode *a_vp;
127 	int a_mode;
128 	struct ucred *a_cred;
129 	struct file *a_fp;		/* optional fp for fileops override */
130 };
131 
132 struct vop_close_args {
133 	struct vop_generic_args a_head;
134 	struct vnode *a_vp;
135 	int a_fflag;
136 };
137 
138 struct vop_access_args {
139 	struct vop_generic_args a_head;
140 	struct vnode *a_vp;
141 	int a_mode;
142 	struct ucred *a_cred;
143 };
144 
145 struct vop_getattr_args {
146 	struct vop_generic_args a_head;
147 	struct vnode *a_vp;
148 	struct vattr *a_vap;
149 };
150 
151 struct vop_setattr_args {
152 	struct vop_generic_args a_head;
153 	struct vnode *a_vp;
154 	struct vattr *a_vap;
155 	struct ucred *a_cred;
156 };
157 
158 struct vop_read_args {
159 	struct vop_generic_args a_head;
160 	struct vnode *a_vp;
161 	struct uio *a_uio;
162 	int a_ioflag;
163 	struct ucred *a_cred;
164 };
165 
166 struct vop_write_args {
167 	struct vop_generic_args a_head;
168 	struct vnode *a_vp;
169 	struct uio *a_uio;
170 	int a_ioflag;
171 	struct ucred *a_cred;
172 };
173 
174 struct vop_ioctl_args {
175 	struct vop_generic_args a_head;
176 	struct vnode *a_vp;
177 	u_long a_command;
178 	caddr_t a_data;
179 	int a_fflag;
180 	struct ucred *a_cred;
181 };
182 
183 struct vop_poll_args {
184 	struct vop_generic_args a_head;
185 	struct vnode *a_vp;
186 	int a_events;
187 	struct ucred *a_cred;
188 };
189 
190 struct vop_kqfilter_args {
191 	struct vop_generic_args a_head;
192 	struct vnode *a_vp;
193 	struct knote *a_kn;
194 };
195 
196 struct vop_mmap_args {
197 	struct vop_generic_args a_head;
198 	struct vnode *a_vp;
199 	int a_fflags;
200 	struct ucred *a_cred;
201 };
202 
203 struct vop_fsync_args {
204 	struct vop_generic_args a_head;
205 	struct vnode *a_vp;
206 	int a_waitfor;
207 };
208 
209 struct vop_old_remove_args {
210 	struct vop_generic_args a_head;
211 	struct vnode *a_dvp;
212 	struct vnode *a_vp;
213 	struct componentname *a_cnp;
214 };
215 
216 struct vop_old_link_args {
217 	struct vop_generic_args a_head;
218 	struct vnode *a_tdvp;
219 	struct vnode *a_vp;
220 	struct componentname *a_cnp;
221 };
222 
223 struct vop_old_rename_args {
224 	struct vop_generic_args a_head;
225 	struct vnode *a_fdvp;
226 	struct vnode *a_fvp;
227 	struct componentname *a_fcnp;
228 	struct vnode *a_tdvp;
229 	struct vnode *a_tvp;
230 	struct componentname *a_tcnp;
231 };
232 
233 struct vop_old_mkdir_args {
234 	struct vop_generic_args a_head;
235 	struct vnode *a_dvp;
236 	struct vnode **a_vpp;
237 	struct componentname *a_cnp;
238 	struct vattr *a_vap;
239 };
240 
241 struct vop_old_rmdir_args {
242 	struct vop_generic_args a_head;
243 	struct vnode *a_dvp;
244 	struct vnode *a_vp;
245 	struct componentname *a_cnp;
246 };
247 
248 struct vop_old_symlink_args {
249 	struct vop_generic_args a_head;
250 	struct vnode *a_dvp;
251 	struct vnode **a_vpp;
252 	struct componentname *a_cnp;
253 	struct vattr *a_vap;
254 	char *a_target;
255 };
256 
257 struct vop_readdir_args {
258 	struct vop_generic_args a_head;
259 	struct vnode *a_vp;
260 	struct uio *a_uio;
261 	struct ucred *a_cred;
262 	int *a_eofflag;
263 	int *a_ncookies;
264 	off_t **a_cookies;
265 };
266 
267 struct vop_readlink_args {
268 	struct vop_generic_args a_head;
269 	struct vnode *a_vp;
270 	struct uio *a_uio;
271 	struct ucred *a_cred;
272 };
273 
274 struct vop_inactive_args {
275 	struct vop_generic_args a_head;
276 	struct vnode *a_vp;
277 };
278 
279 struct vop_reclaim_args {
280 	struct vop_generic_args a_head;
281 	struct vnode *a_vp;
282 };
283 
284 struct vop_bmap_args {
285 	struct vop_generic_args a_head;
286 	struct vnode *a_vp;
287 	off_t a_loffset;
288 	off_t *a_doffsetp;
289 	int *a_runp;
290 	int *a_runb;
291 	buf_cmd_t a_cmd;	/* BUF_CMD_READ, BUF_CMD_WRITE, etc */
292 };
293 
294 struct vop_strategy_args {
295 	struct vop_generic_args a_head;
296 	struct vnode *a_vp;
297 	struct bio *a_bio;
298 };
299 
300 struct vop_print_args {
301 	struct vop_generic_args a_head;
302 	struct vnode *a_vp;
303 };
304 
305 struct vop_pathconf_args {
306 	struct vop_generic_args a_head;
307 	struct vnode *a_vp;
308 	int a_name;
309 	register_t *a_retval;
310 };
311 
312 struct vop_advlock_args {
313 	struct vop_generic_args a_head;
314 	struct vnode *a_vp;
315 	caddr_t a_id;
316 	int a_op;
317 	struct flock *a_fl;
318 	int a_flags;
319 };
320 
321 struct vop_balloc_args {
322 	struct vop_generic_args a_head;
323 	struct vnode *a_vp;
324 	off_t a_startoffset;
325 	int a_size;
326 	struct ucred *a_cred;
327 	int a_flags;
328 	struct buf **a_bpp;
329 };
330 
331 struct vop_reallocblks_args {
332 	struct vop_generic_args a_head;
333 	struct vnode *a_vp;
334 	struct cluster_save *a_buflist;
335 };
336 
337 struct vop_getpages_args {
338 	struct vop_generic_args a_head;
339 	struct vnode *a_vp;
340 	struct vm_page **a_m;
341 	int a_count;
342 	int a_reqpage;
343 	vm_ooffset_t a_offset;
344 };
345 
346 struct vop_putpages_args {
347 	struct vop_generic_args a_head;
348 	struct vnode *a_vp;
349 	struct vm_page **a_m;
350 	int a_count;
351 	int a_sync;
352 	int *a_rtvals;
353 	vm_ooffset_t a_offset;
354 };
355 
356 struct vop_freeblks_args {
357 	struct vop_generic_args a_head;
358 	struct vnode *a_vp;
359 	off_t a_offset;
360 	int a_length;
361 };
362 
363 struct vop_getacl_args {
364 	struct vop_generic_args a_head;
365 	struct vnode *a_vp;
366 	acl_type_t a_type;
367 	struct acl *a_aclp;
368 	struct ucred *a_cred;
369 };
370 
371 struct vop_setacl_args {
372 	struct vop_generic_args a_head;
373 	struct vnode *a_vp;
374 	acl_type_t a_type;
375 	struct acl *a_aclp;
376 	struct ucred *a_cred;
377 };
378 
379 struct vop_aclcheck_args {
380 	struct vop_generic_args a_head;
381 	struct vnode *a_vp;
382 	acl_type_t a_type;
383 	struct acl *a_aclp;
384 	struct ucred *a_cred;
385 };
386 
387 struct vop_getextattr_args {
388 	struct vop_generic_args a_head;
389 	struct vnode *a_vp;
390 	char *a_name;
391 	struct uio *a_uio;
392 	struct ucred *a_cred;
393 };
394 
395 struct vop_setextattr_args {
396 	struct vop_generic_args a_head;
397 	struct vnode *a_vp;
398 	char *a_name;
399 	struct uio *a_uio;
400 	struct ucred *a_cred;
401 };
402 
403 struct vop_mountctl_args {
404 	struct vop_generic_args a_head;
405 	int a_op;
406 	struct file *a_fp;
407 	const void *a_ctl;
408 	int a_ctllen;
409 	void *a_buf;
410 	int a_buflen;
411 	int *a_res;
412 };
413 
414 struct vop_markatime_args {
415 	struct vop_generic_args a_head;
416 	int a_op;
417 	struct vnode *a_vp;
418 	struct ucred *a_cred;
419 };
420 
421 /*
422  * NEW API
423  */
424 
425 /*
426  * Warning: a_dvp is only held, not ref'd.  The target must still vget()
427  * it.
428  */
429 struct vop_nresolve_args {
430 	struct vop_generic_args a_head;
431 	struct nchandle *a_nch;
432 	struct vnode *a_dvp;
433 	struct ucred *a_cred;
434 };
435 
436 struct vop_nlookupdotdot_args {
437 	struct vop_generic_args a_head;
438 	struct vnode *a_dvp;
439 	struct vnode **a_vpp;
440 	struct ucred *a_cred;
441 	char **a_fakename;
442 };
443 
444 /*
445  * Warning: a_dvp is only held, not ref'd.  The target must still vget()
446  * it.
447  */
448 struct vop_ncreate_args {
449 	struct vop_generic_args a_head;
450 	struct nchandle *a_nch;		/* locked namespace */
451 	struct vnode *a_dvp;		/* held directory vnode */
452 	struct vnode **a_vpp;		/* returned refd & locked */
453 	struct ucred *a_cred;
454 	struct vattr *a_vap;
455 };
456 
457 /*
458  * Warning: a_dvp is only held, not ref'd.  The target must still vget()
459  * it.
460  */
461 struct vop_nmkdir_args {
462 	struct vop_generic_args a_head;
463 	struct nchandle *a_nch;		/* locked namespace */
464 	struct vnode *a_dvp;
465 	struct vnode **a_vpp;			/* returned refd & locked */
466 	struct ucred *a_cred;
467 	struct vattr *a_vap;
468 };
469 
470 /*
471  * Warning: a_dvp is only held, not ref'd.  The target must still vget()
472  * it.
473  */
474 struct vop_nmknod_args {
475 	struct vop_generic_args a_head;
476 	struct nchandle *a_nch;
477 	struct vnode *a_dvp;
478 	struct vnode **a_vpp;
479 	struct ucred *a_cred;
480 	struct vattr *a_vap;
481 };
482 
483 /*
484  * Warning: a_dvp is only held, not ref'd.  The target must still vget()
485  * it.
486  */
487 struct vop_nlink_args {
488 	struct vop_generic_args a_head;
489 	struct nchandle *a_nch;
490 	struct vnode *a_dvp;
491 	struct vnode *a_vp;
492 	struct ucred *a_cred;
493 };
494 
495 /*
496  * Warning: a_dvp is only held, not ref'd.  The target must still vget()
497  * it.
498  */
499 struct vop_nsymlink_args {
500 	struct vop_generic_args a_head;
501 	struct nchandle *a_nch;
502 	struct vnode *a_dvp;
503 	struct vnode **a_vpp;
504 	struct ucred *a_cred;
505 	struct vattr *a_vap;
506 	char *a_target;
507 };
508 
509 /*
510  * Warning: a_dvp is only held, not ref'd.  The target must still vget()
511  * it.
512  */
513 struct vop_nwhiteout_args {
514 	struct vop_generic_args a_head;
515 	struct nchandle *a_nch;
516 	struct vnode *a_dvp;
517 	struct ucred *a_cred;
518 	int a_flags;
519 };
520 
521 /*
522  * Warning: a_dvp is only held, not ref'd.  The target must still vget()
523  * it.
524  */
525 struct vop_nremove_args {
526 	struct vop_generic_args a_head;
527 	struct nchandle *a_nch;		/* locked namespace */
528 	struct vnode *a_dvp;
529 	struct ucred *a_cred;
530 };
531 
532 /*
533  * Warning: a_dvp is only held, not ref'd.  The target must still vget()
534  * it.
535  */
536 struct vop_nrmdir_args {
537 	struct vop_generic_args a_head;
538 	struct nchandle *a_nch;		/* locked namespace */
539 	struct vnode *a_dvp;
540 	struct ucred *a_cred;
541 };
542 
543 /*
544  * Warning: a_fdvp and a_tdvp are only held, not ref'd.  The target must
545  * still vget() it.
546  */
547 struct vop_nrename_args {
548 	struct vop_generic_args a_head;
549 	struct nchandle *a_fnch;		/* locked namespace / from */
550 	struct nchandle *a_tnch;		/* locked namespace / to */
551 	struct vnode *a_fdvp;
552 	struct vnode *a_tdvp;
553 	struct ucred *a_cred;
554 };
555 
556 /*
557  * This structure is the post-compiled VOP operations vector.  vop_ops are
558  * typically per-mount entities.  The first section is used by our vop_*()
559  * function wrappers to implement hooks for per-mount management functions
560  * such as journaling and cache coherency protocols.  The second section is
561  * the function dispatch for the VFSs.  The functions are supposed to run
562  * in the context of the VFS's thread (if it has one) and should not be
563  * directly called from random kernel code.  Note that VOCALL()s are direct
564  * calls used for chaining vop_ops structures from a VFS context.
565  */
566 struct vop_ops {
567 	struct {
568 		struct mount	*vv_mount;
569 	} head;
570 
571 #define vop_ops_first_field	vop_default
572 	int	(*vop_default)(struct vop_generic_args *);
573 	int	(*vop_unused11)(void *);
574 	int	(*vop_old_lookup)(struct vop_old_lookup_args *);
575 	int	(*vop_unused03)(void *);
576 	int	(*vop_old_create)(struct vop_old_create_args *);
577 	int	(*vop_old_whiteout)(struct vop_old_whiteout_args *);
578 	int	(*vop_old_mknod)(struct vop_old_mknod_args *);
579 	int	(*vop_open)(struct vop_open_args *);
580 	int	(*vop_close)(struct vop_close_args *);
581 	int	(*vop_access)(struct vop_access_args *);
582 	int	(*vop_getattr)(struct vop_getattr_args *);
583 	int	(*vop_setattr)(struct vop_setattr_args *);
584 	int	(*vop_read)(struct vop_read_args *);
585 	int	(*vop_write)(struct vop_write_args *);
586 	int	(*vop_unused04)(void *);
587 	int	(*vop_ioctl)(struct vop_ioctl_args *);
588 	int	(*vop_poll)(struct vop_poll_args *);
589 	int	(*vop_kqfilter)(struct vop_kqfilter_args *);
590 	int	(*vop_unused01)(void *);	/* was vop_revoke */
591 	int	(*vop_mmap)(struct vop_mmap_args *);
592 	int	(*vop_fsync)(struct vop_fsync_args *);
593 	int	(*vop_old_remove)(struct vop_old_remove_args *);
594 	int	(*vop_old_link)(struct vop_old_link_args *);
595 	int	(*vop_old_rename)(struct vop_old_rename_args *);
596 	int	(*vop_old_mkdir)(struct vop_old_mkdir_args *);
597 	int	(*vop_old_rmdir)(struct vop_old_rmdir_args *);
598 	int	(*vop_old_symlink)(struct vop_old_symlink_args *);
599 	int	(*vop_readdir)(struct vop_readdir_args *);
600 	int	(*vop_readlink)(struct vop_readlink_args *);
601 	int	(*vop_inactive)(struct vop_inactive_args *);
602 	int	(*vop_reclaim)(struct vop_reclaim_args *);
603 	int	(*vop_unused09)(void *);
604 	int	(*vop_unused10)(void *);
605 	int	(*vop_bmap)(struct vop_bmap_args *);
606 	int	(*vop_strategy)(struct vop_strategy_args *);
607 	int	(*vop_print)(struct vop_print_args *);
608 	int	(*vop_pathconf)(struct vop_pathconf_args *);
609 	int	(*vop_advlock)(struct vop_advlock_args *);
610 	int	(*vop_balloc)(struct vop_balloc_args *);
611 	int	(*vop_reallocblks)(struct vop_reallocblks_args *);
612 	int	(*vop_getpages)(struct vop_getpages_args *);
613 	int	(*vop_putpages)(struct vop_putpages_args *);
614 	int	(*vop_freeblks)(struct vop_freeblks_args *);
615 	int	(*vop_unused05)(void *);
616 	int	(*vop_getacl)(struct vop_getacl_args *);
617 	int	(*vop_setacl)(struct vop_setacl_args *);
618 	int	(*vop_aclcheck)(struct vop_aclcheck_args *);
619 	int	(*vop_getextattr)(struct vop_getextattr_args *);
620 	int	(*vop_setextattr)(struct vop_setextattr_args *);
621 	int	(*vop_unused06)(void *);
622 	int	(*vop_unused07)(void *);
623 	int	(*vop_unused08)(void *);
624 	int	(*vop_mountctl)(struct vop_mountctl_args *);
625 	int	(*vop_markatime)(struct vop_markatime_args *);
626 
627 	int	(*vop_nresolve)(struct vop_nresolve_args *);
628 	int	(*vop_nlookupdotdot)(struct vop_nlookupdotdot_args *);
629 	int	(*vop_ncreate)(struct vop_ncreate_args *);
630 	int	(*vop_nmkdir)(struct vop_nmkdir_args *);
631 	int	(*vop_nmknod)(struct vop_nmknod_args *);
632 	int	(*vop_nlink)(struct vop_nlink_args *);
633 	int	(*vop_nsymlink)(struct vop_nsymlink_args *);
634 	int	(*vop_nwhiteout)(struct vop_nwhiteout_args *);
635 	int	(*vop_nremove)(struct vop_nremove_args *);
636 	int	(*vop_nrmdir)(struct vop_nrmdir_args *);
637 	int	(*vop_nrename)(struct vop_nrename_args *);
638 #define vop_ops_last_field	vop_nrename
639 };
640 
641 /*
642  * vop_mountctl() operations
643  */
644 #define VFSSET_DETACH		0
645 #define VFSSET_ATTACH		1
646 
647 /*
648  * Kernel VOP arguments union, suitable for malloc / embedding in other
649  * structures.  The vop_args_union can hold any VOP call argument structure.
650  * Note that vu_head is broken out.
651  */
652 union vop_args_union {
653 	struct vop_generic_args vu_head;
654 	struct vop_generic_args vu_default;
655 	struct vop_old_lookup_args vu_lookup;
656 	struct vop_old_create_args vu_create;
657 	struct vop_old_whiteout_args vu_whiteout;
658 	struct vop_old_mknod_args vu_mknod;
659 	struct vop_open_args vu_open;
660 	struct vop_close_args vu_close;
661 	struct vop_access_args vu_access;
662 	struct vop_getattr_args vu_getattr;
663 	struct vop_setattr_args vu_setattr;
664 	struct vop_read_args vu_read;
665 	struct vop_write_args vu_write;
666 	struct vop_ioctl_args vu_ioctl;
667 	struct vop_poll_args vu_poll;
668 	struct vop_kqfilter_args vu_kqfilter;
669 	struct vop_mmap_args vu_mmap;
670 	struct vop_fsync_args vu_fsync;
671 	struct vop_old_remove_args vu_remove;
672 	struct vop_old_link_args vu_link;
673 	struct vop_old_rename_args vu_rename;
674 	struct vop_old_mkdir_args vu_mkdir;
675 	struct vop_old_rmdir_args vu_rmdir;
676 	struct vop_old_symlink_args vu_symlink;
677 	struct vop_readdir_args vu_readdir;
678 	struct vop_readlink_args vu_readlink;
679 	struct vop_inactive_args vu_inactive;
680 	struct vop_reclaim_args vu_reclaim;
681 	struct vop_bmap_args vu_bmap;
682 	struct vop_strategy_args vu_strategy;
683 	struct vop_print_args vu_print;
684 	struct vop_pathconf_args vu_pathconf;
685 	struct vop_advlock_args vu_advlock;
686 	struct vop_balloc_args vu_balloc;
687 	struct vop_reallocblks_args vu_reallocblks;
688 	struct vop_getpages_args vu_getpages;
689 	struct vop_putpages_args vu_putpages;
690 	struct vop_freeblks_args vu_freeblks;
691 	struct vop_getacl_args vu_getacl;
692 	struct vop_setacl_args vu_setacl;
693 	struct vop_aclcheck_args vu_aclcheck;
694 	struct vop_getextattr_args vu_getextattr;
695 	struct vop_setextattr_args vu_setextattr;
696 	struct vop_mountctl_args vu_mountctl;
697 	struct vop_markatime_args vu_markatime;
698 
699 	struct vop_nresolve_args vu_nresolve;
700 	struct vop_nlookupdotdot_args vu_nlookupdotdot;
701 	struct vop_ncreate_args vu_ncreate;
702 	struct vop_nmkdir_args vu_nmkdir;
703 	struct vop_nmknod_args vu_nmknod;
704 	struct vop_nlink_args vu_nlink;
705 	struct vop_nsymlink_args vu_nsymlink;
706 	struct vop_nwhiteout_args vu_nwhiteout;
707 	struct vop_nremove_args vu_nremove;
708 	struct vop_nrmdir_args vu_nrmdir;
709 	struct vop_nrename_args vu_nrename;
710 };
711 
712 #ifdef _KERNEL
713 
714 /*
715  * Kernel VOP call wrappers.  These wrappers are responsible for wrapping
716  * the arguments in the appropriate VOP arguments structure, sending the
717  * message, and waiting for a reply.  All kernel and VFS code should generally
718  * call these wrappers rather then attempt to call the operations vector
719  * routine directly in order to allow DragonFly to properly wrap the operation
720  * in a message and dispatch it to the correct thread.
721  */
722 int vop_old_lookup(struct vop_ops *ops, struct vnode *dvp,
723 		struct vnode **vpp, struct componentname *cnp);
724 int vop_old_create(struct vop_ops *ops, struct vnode *dvp,
725 		struct vnode **vpp, struct componentname *cnp,
726 		struct vattr *vap);
727 int vop_old_whiteout(struct vop_ops *ops, struct vnode *dvp,
728 		struct componentname *cnp, int flags);
729 int vop_old_mknod(struct vop_ops *ops, struct vnode *dvp,
730 		struct vnode **vpp, struct componentname *cnp,
731 		struct vattr *vap);
732 int vop_open(struct vop_ops *ops, struct vnode *vp, int mode,
733 		struct ucred *cred, struct file *file);
734 int vop_close(struct vop_ops *ops, struct vnode *vp, int fflag);
735 int vop_access(struct vop_ops *ops, struct vnode *vp, int mode,
736 		struct ucred *cred);
737 int vop_getattr(struct vop_ops *ops, struct vnode *vp, struct vattr *vap);
738 int vop_setattr(struct vop_ops *ops, struct vnode *vp, struct vattr *vap,
739 		struct ucred *cred);
740 int vop_read(struct vop_ops *ops, struct vnode *vp, struct uio *uio,
741 		int ioflag, struct ucred *cred);
742 int vop_write(struct vop_ops *ops, struct vnode *vp, struct uio *uio,
743 		int ioflag, struct ucred *cred);
744 int vop_ioctl(struct vop_ops *ops, struct vnode *vp, u_long command,
745 		caddr_t data, int fflag, struct ucred *cred);
746 int vop_poll(struct vop_ops *ops, struct vnode *vp, int events,
747 		struct ucred *cred);
748 int vop_kqfilter(struct vop_ops *ops, struct vnode *vp, struct knote *kn);
749 int vop_mmap(struct vop_ops *ops, struct vnode *vp, int fflags,
750 		struct ucred *cred);
751 int vop_fsync(struct vop_ops *ops, struct vnode *vp, int waitfor);
752 int vop_old_remove(struct vop_ops *ops, struct vnode *dvp,
753 		struct vnode *vp, struct componentname *cnp);
754 int vop_old_link(struct vop_ops *ops, struct vnode *tdvp,
755 		struct vnode *vp, struct componentname *cnp);
756 int vop_old_rename(struct vop_ops *ops, struct vnode *fdvp,
757 		struct vnode *fvp, struct componentname *fcnp,
758 		struct vnode *tdvp, struct vnode *tvp,
759 		struct componentname *tcnp);
760 int vop_old_mkdir(struct vop_ops *ops, struct vnode *dvp,
761 		struct vnode **vpp, struct componentname *cnp,
762 		struct vattr *vap);
763 int vop_old_rmdir(struct vop_ops *ops, struct vnode *dvp,
764 		struct vnode *vp, struct componentname *cnp);
765 int vop_old_symlink(struct vop_ops *ops, struct vnode *dvp,
766 		struct vnode **vpp, struct componentname *cnp,
767 		struct vattr *vap, char *target);
768 int vop_readdir(struct vop_ops *ops, struct vnode *vp, struct uio *uio,
769 		struct ucred *cred, int *eofflag,
770 		int *ncookies, off_t **cookies);
771 int vop_readlink(struct vop_ops *ops, struct vnode *vp, struct uio *uio,
772 		struct ucred *cred);
773 int vop_inactive(struct vop_ops *ops, struct vnode *vp);
774 int vop_reclaim(struct vop_ops *ops, struct vnode *vp);
775 int vop_bmap(struct vop_ops *ops, struct vnode *vp, off_t loffset,
776 		off_t *doffsetp, int *runp, int *runb, buf_cmd_t cmd);
777 int vop_strategy(struct vop_ops *ops, struct vnode *vp, struct bio *bio);
778 int vop_print(struct vop_ops *ops, struct vnode *vp);
779 int vop_pathconf(struct vop_ops *ops, struct vnode *vp, int name,
780 		register_t *retval);
781 int vop_advlock(struct vop_ops *ops, struct vnode *vp, caddr_t id, int op,
782 		struct flock *fl, int flags);
783 int vop_balloc(struct vop_ops *ops, struct vnode *vp, off_t startoffset,
784 		int size, struct ucred *cred, int flags,
785 		struct buf **bpp);
786 int vop_reallocblks(struct vop_ops *ops, struct vnode *vp,
787 		struct cluster_save *buflist);
788 int vop_getpages(struct vop_ops *ops, struct vnode *vp, struct vm_page **m,
789 		int count, int reqpage, vm_ooffset_t offset);
790 int vop_putpages(struct vop_ops *ops, struct vnode *vp, struct vm_page **m,
791 		int count, int sync, int *rtvals, vm_ooffset_t offset);
792 int vop_freeblks(struct vop_ops *ops, struct vnode *vp,
793 		off_t offset, int length);
794 int vop_getacl(struct vop_ops *ops, struct vnode *vp, acl_type_t type,
795 		struct acl *aclp, struct ucred *cred);
796 int vop_setacl(struct vop_ops *ops, struct vnode *vp, acl_type_t type,
797 		struct acl *aclp, struct ucred *cred);
798 int vop_aclcheck(struct vop_ops *ops, struct vnode *vp, acl_type_t type,
799 		struct acl *aclp, struct ucred *cred);
800 int vop_getextattr(struct vop_ops *ops, struct vnode *vp, char *name,
801 		struct uio *uio, struct ucred *cred);
802 int vop_setextattr(struct vop_ops *ops, struct vnode *vp, char *name,
803 		struct uio *uio, struct ucred *cred);
804 int vop_mountctl(struct vop_ops *ops, int op, struct file *fp,
805 		const void *ctl, int ctllen, void *buf, int buflen, int *res);
806 int vop_markatime(struct vop_ops *ops, struct vnode *vp, struct ucred *cred);
807 int vop_nresolve(struct vop_ops *ops, struct nchandle *nch,
808 		struct vnode *dvp, struct ucred *cred);
809 int vop_nlookupdotdot(struct vop_ops *ops, struct vnode *dvp,
810 		struct vnode **vpp, struct ucred *cred, char **fakename);
811 int vop_ncreate(struct vop_ops *ops, struct nchandle *nch, struct vnode *dvp,
812 		struct vnode **vpp, struct ucred *cred, struct vattr *vap);
813 int vop_nmkdir(struct vop_ops *ops, struct nchandle *nch, struct vnode *dvp,
814 		struct vnode **vpp, struct ucred *cred, struct vattr *vap);
815 int vop_nmknod(struct vop_ops *ops, struct nchandle *nch, struct vnode *dvp,
816 		struct vnode **vpp, struct ucred *cred, struct vattr *vap);
817 int vop_nlink(struct vop_ops *ops, struct nchandle *nch, struct vnode *dvp,
818 		struct vnode *vp, struct ucred *cred);
819 int vop_nsymlink(struct vop_ops *ops, struct nchandle *nch, struct vnode *dvp,
820 		struct vnode **vpp, struct ucred *cred,
821 		struct vattr *vap, char *target);
822 int vop_nwhiteout(struct vop_ops *ops, struct nchandle *nch, struct vnode *dvp,
823 		struct ucred *cred, int flags);
824 int vop_nremove(struct vop_ops *ops, struct nchandle *nch, struct vnode *dvp,
825 		struct ucred *cred);
826 int vop_nrmdir(struct vop_ops *ops, struct nchandle *nch, struct vnode *dvp,
827 		struct ucred *cred);
828 int vop_nrename(struct vop_ops *ops,
829 		struct nchandle *fnch, struct nchandle *tnch,
830 		struct vnode *fdvp, struct vnode *tdvp,
831 		struct ucred *cred);
832 
833 /*
834  * Kernel VOP forwarding wrappers.  These are called when a VFS such as
835  * nullfs or unionfs needs to push down into another VFS, changing the
836  * a_ops pointer and consequentially necessitating additional
837  * cache management.
838  *
839  * Note that this is different from vop_ops chaining within the same
840  * filesystem.  When a filesystem chains a vop_ops it just uses VOCALLs.
841  */
842 int vop_vnoperate_ap(struct vop_generic_args *ap);
843 int vop_cache_operate_ap(struct vop_generic_args *ap);
844 int vop_journal_operate_ap(struct vop_generic_args *ap);
845 int vop_old_lookup_ap(struct vop_old_lookup_args *ap);
846 int vop_old_create_ap(struct vop_old_create_args *ap);
847 int vop_old_whiteout_ap(struct vop_old_whiteout_args *ap);
848 int vop_old_mknod_ap(struct vop_old_mknod_args *ap);
849 int vop_open_ap(struct vop_open_args *ap);
850 int vop_close_ap(struct vop_close_args *ap);
851 int vop_access_ap(struct vop_access_args *ap);
852 int vop_getattr_ap(struct vop_getattr_args *ap);
853 int vop_setattr_ap(struct vop_setattr_args *ap);
854 int vop_read_ap(struct vop_read_args *ap);
855 int vop_write_ap(struct vop_write_args *ap);
856 int vop_ioctl_ap(struct vop_ioctl_args *ap);
857 int vop_poll_ap(struct vop_poll_args *ap);
858 int vop_kqfilter_ap(struct vop_kqfilter_args *ap);
859 int vop_mmap_ap(struct vop_mmap_args *ap);
860 int vop_fsync_ap(struct vop_fsync_args *ap);
861 int vop_old_remove_ap(struct vop_old_remove_args *ap);
862 int vop_old_link_ap(struct vop_old_link_args *ap);
863 int vop_old_rename_ap(struct vop_old_rename_args *ap);
864 int vop_old_mkdir_ap(struct vop_old_mkdir_args *ap);
865 int vop_old_rmdir_ap(struct vop_old_rmdir_args *ap);
866 int vop_old_symlink_ap(struct vop_old_symlink_args *ap);
867 int vop_readdir_ap(struct vop_readdir_args *ap);
868 int vop_readlink_ap(struct vop_readlink_args *ap);
869 int vop_inactive_ap(struct vop_inactive_args *ap);
870 int vop_reclaim_ap(struct vop_reclaim_args *ap);
871 int vop_bmap_ap(struct vop_bmap_args *ap);
872 int vop_strategy_ap(struct vop_strategy_args *ap);
873 int vop_print_ap(struct vop_print_args *ap);
874 int vop_pathconf_ap(struct vop_pathconf_args *ap);
875 int vop_advlock_ap(struct vop_advlock_args *ap);
876 int vop_balloc_ap(struct vop_balloc_args *ap);
877 int vop_reallocblks_ap(struct vop_reallocblks_args *ap);
878 int vop_getpages_ap(struct vop_getpages_args *ap);
879 int vop_putpages_ap(struct vop_putpages_args *ap);
880 int vop_freeblks_ap(struct vop_freeblks_args *ap);
881 int vop_getacl_ap(struct vop_getacl_args *ap);
882 int vop_setacl_ap(struct vop_setacl_args *ap);
883 int vop_aclcheck_ap(struct vop_aclcheck_args *ap);
884 int vop_getextattr_ap(struct vop_getextattr_args *ap);
885 int vop_setextattr_ap(struct vop_setextattr_args *ap);
886 int vop_mountctl_ap(struct vop_mountctl_args *ap);
887 int vop_markatime_ap(struct vop_markatime_args *ap);
888 
889 int vop_nresolve_ap(struct vop_nresolve_args *ap);
890 int vop_nlookupdotdot_ap(struct vop_nlookupdotdot_args *ap);
891 int vop_ncreate_ap(struct vop_ncreate_args *ap);
892 int vop_nmkdir_ap(struct vop_nmkdir_args *ap);
893 int vop_nmknod_ap(struct vop_nmknod_args *ap);
894 int vop_nlink_ap(struct vop_nlink_args *ap);
895 int vop_nsymlink_ap(struct vop_nsymlink_args *ap);
896 int vop_nwhiteout_ap(struct vop_nwhiteout_args *ap);
897 int vop_nremove_ap(struct vop_nremove_args *ap);
898 int vop_nrmdir_ap(struct vop_nrmdir_args *ap);
899 int vop_nrename_ap(struct vop_nrename_args *ap);
900 
901 /*
902  * VOP operations descriptor.  This is used by the vop_ops compiler
903  * to convert VFS vector arrays (typically in vfs/blah/blah_vnops.c)
904  * into a vop_ops operations vector.
905  */
906 extern struct syslink_desc vop_default_desc;
907 extern struct syslink_desc vop_old_lookup_desc;
908 extern struct syslink_desc vop_old_create_desc;
909 extern struct syslink_desc vop_old_whiteout_desc;
910 extern struct syslink_desc vop_old_mknod_desc;
911 extern struct syslink_desc vop_open_desc;
912 extern struct syslink_desc vop_close_desc;
913 extern struct syslink_desc vop_access_desc;
914 extern struct syslink_desc vop_getattr_desc;
915 extern struct syslink_desc vop_setattr_desc;
916 extern struct syslink_desc vop_read_desc;
917 extern struct syslink_desc vop_write_desc;
918 extern struct syslink_desc vop_ioctl_desc;
919 extern struct syslink_desc vop_poll_desc;
920 extern struct syslink_desc vop_kqfilter_desc;
921 extern struct syslink_desc vop_mmap_desc;
922 extern struct syslink_desc vop_fsync_desc;
923 extern struct syslink_desc vop_old_remove_desc;
924 extern struct syslink_desc vop_old_link_desc;
925 extern struct syslink_desc vop_old_rename_desc;
926 extern struct syslink_desc vop_old_mkdir_desc;
927 extern struct syslink_desc vop_old_rmdir_desc;
928 extern struct syslink_desc vop_old_symlink_desc;
929 extern struct syslink_desc vop_readdir_desc;
930 extern struct syslink_desc vop_readlink_desc;
931 extern struct syslink_desc vop_inactive_desc;
932 extern struct syslink_desc vop_reclaim_desc;
933 extern struct syslink_desc vop_bmap_desc;
934 extern struct syslink_desc vop_strategy_desc;
935 extern struct syslink_desc vop_print_desc;
936 extern struct syslink_desc vop_pathconf_desc;
937 extern struct syslink_desc vop_advlock_desc;
938 extern struct syslink_desc vop_balloc_desc;
939 extern struct syslink_desc vop_reallocblks_desc;
940 extern struct syslink_desc vop_getpages_desc;
941 extern struct syslink_desc vop_putpages_desc;
942 extern struct syslink_desc vop_freeblks_desc;
943 extern struct syslink_desc vop_getacl_desc;
944 extern struct syslink_desc vop_setacl_desc;
945 extern struct syslink_desc vop_aclcheck_desc;
946 extern struct syslink_desc vop_getextattr_desc;
947 extern struct syslink_desc vop_setextattr_desc;
948 extern struct syslink_desc vop_mountctl_desc;
949 extern struct syslink_desc vop_markatime_desc;
950 
951 extern struct syslink_desc vop_nresolve_desc;
952 extern struct syslink_desc vop_nlookupdotdot_desc;
953 extern struct syslink_desc vop_ncreate_desc;
954 extern struct syslink_desc vop_nmkdir_desc;
955 extern struct syslink_desc vop_nmknod_desc;
956 extern struct syslink_desc vop_nlink_desc;
957 extern struct syslink_desc vop_nsymlink_desc;
958 extern struct syslink_desc vop_nwhiteout_desc;
959 extern struct syslink_desc vop_nremove_desc;
960 extern struct syslink_desc vop_nrmdir_desc;
961 extern struct syslink_desc vop_nrename_desc;
962 
963 #endif
964 
965 /*
966  * VOP_*() convenience macros extract the operations vector and make the
967  * vop_*() call.
968  */
969 #define VOP_OPEN(vp, mode, cred, fp)			\
970 	vop_open(*(vp)->v_ops, vp, mode, cred, fp)
971 #define VOP_CLOSE(vp, fflag)				\
972 	vop_close(*(vp)->v_ops, vp, fflag)
973 #define VOP_ACCESS(vp, mode, cred)			\
974 	vop_access(*(vp)->v_ops, vp, mode, cred)
975 #define VOP_GETATTR(vp, vap)				\
976 	vop_getattr(*(vp)->v_ops, vp, vap)
977 #define VOP_SETATTR(vp, vap, cred)			\
978 	vop_setattr(*(vp)->v_ops, vp, vap, cred)
979 #define VOP_READ(vp, uio, ioflag, cred)			\
980 	vop_read(*(vp)->v_ops, vp, uio, ioflag, cred)
981 #define VOP_WRITE(vp, uio, ioflag, cred)		\
982 	vop_write(*(vp)->v_ops, vp, uio, ioflag, cred)
983 #define VOP_IOCTL(vp, command, data, fflag, cred)	\
984 	vop_ioctl(*(vp)->v_ops, vp, command, data, fflag, cred)
985 #define VOP_POLL(vp, events, cred)			\
986 	vop_poll(*(vp)->v_ops, vp, events, cred)
987 #define VOP_KQFILTER(vp, kn)				\
988 	vop_kqfilter(*(vp)->v_ops, vp, kn)
989 #define VOP_MMAP(vp, fflags, cred)			\
990 	vop_mmap(*(vp)->v_ops, vp, fflags, cred)
991 #define VOP_FSYNC(vp, waitfor)				\
992 	vop_fsync(*(vp)->v_ops, vp, waitfor)
993 #define VOP_READDIR(vp, uio, cred, eofflag, ncookies, cookies)		\
994 	vop_readdir(*(vp)->v_ops, vp, uio, cred, eofflag, ncookies, cookies)
995 #define VOP_READLINK(vp, uio, cred)			\
996 	vop_readlink(*(vp)->v_ops, vp, uio, cred)
997 #define VOP_INACTIVE(vp)				\
998 	vop_inactive(*(vp)->v_ops, vp)
999 #define VOP_RECLAIM(vp)					\
1000 	vop_reclaim(*(vp)->v_ops, vp)
1001 #define VOP_BMAP(vp, loff, doffp, runp, runb, cmd)	\
1002 	vop_bmap(*(vp)->v_ops, vp, loff, doffp, runp, runb, cmd)
1003 #define VOP_PRINT(vp)					\
1004 	vop_print(*(vp)->v_ops, vp)
1005 #define VOP_PATHCONF(vp, name, retval)			\
1006 	vop_pathconf(*(vp)->v_ops, vp, name, retval)
1007 #define VOP_ADVLOCK(vp, id, op, fl, flags)		\
1008 	vop_advlock(*(vp)->v_ops, vp, id, op, fl, flags)
1009 #define VOP_BALLOC(vp, offset, size, cred, flags, bpp)	\
1010 	vop_balloc(*(vp)->v_ops, vp, offset, size, cred, flags, bpp)
1011 #define VOP_REALLOCBLKS(vp, buflist)			\
1012 	vop_reallocblks(*(vp)->v_ops, vp, buflist)
1013 #define VOP_GETPAGES(vp, m, count, reqpage, off)	\
1014 	vop_getpages(*(vp)->v_ops, vp, m, count, reqpage, off)
1015 #define VOP_PUTPAGES(vp, m, count, sync, rtvals, off)	\
1016 	vop_putpages(*(vp)->v_ops, vp, m, count, sync, rtvals, off)
1017 #define VOP_FREEBLKS(vp, offset, length)		\
1018 	vop_freeblks(*(vp)->v_ops, vp, offset, length)
1019 #define VOP_GETACL(vp, type, aclp, cred)		\
1020 	vop_getacl(*(vp)->v_ops, vp, type, aclp, cred)
1021 #define VOP_SETACL(vp, type, aclp, cred)		\
1022 	vop_setacl(*(vp)->v_ops, vp, type, aclp, cred)
1023 #define VOP_ACLCHECK(vp, type, aclp, cred)		\
1024 	vop_aclcheck(*(vp)->v_ops, vp, type, aclp, cred)
1025 #define VOP_GETEXTATTR(vp, name, uio, cred)		\
1026 	vop_getextattr(*(vp)->v_ops, vp, name, uio, cred)
1027 #define VOP_SETEXTATTR(vp, name, uio, cred)		\
1028 	vop_setextattr(*(vp)->v_ops, vp, name, uio, cred)
1029 #define VOP_MARKATIME(vp, cred)			\
1030 	vop_markatime(*(vp)->v_ops, vp, cred)
1031 /* no VOP_VFSSET() */
1032 /* VOP_STRATEGY - does not exist, use vn_strategy() */
1033 
1034 /*
1035  * 'OLD' VOP calls.  These calls may only be made by the new API
1036  * compatibility functions in kern/vfs_default.c.  Attempting to
1037  * call these functions directly will confuse the namecache.  These
1038  * calls are deprecated and being removed from the system and from
1039  * the VFS's.
1040  */
1041 #define VOP_OLD_LOOKUP(dvp, vpp, cnp)			\
1042 	vop_old_lookup(*(dvp)->v_ops, dvp, vpp, cnp)
1043 #define VOP_OLD_CREATE(dvp, vpp, cnp, vap)		\
1044 	vop_old_create(*(dvp)->v_ops, dvp, vpp, cnp, vap)
1045 #define VOP_OLD_MKDIR(dvp, vpp, cnp, vap)		\
1046 	vop_old_mkdir(*(dvp)->v_ops, dvp, vpp, cnp, vap)
1047 #define VOP_OLD_MKNOD(dvp, vpp, cnp, vap)		\
1048 	vop_old_mknod(*(dvp)->v_ops, dvp, vpp, cnp, vap)
1049 #define VOP_OLD_LINK(tdvp, vp, cnp)			\
1050 	vop_old_link(*(tdvp)->v_ops, tdvp, vp, cnp)
1051 #define VOP_OLD_SYMLINK(dvp, vpp, cnp, vap, target)	\
1052 	vop_old_symlink(*(dvp)->v_ops, dvp, vpp, cnp, vap, target)
1053 #define VOP_OLD_WHITEOUT(dvp, cnp, flags)		\
1054 	vop_old_whiteout(*(dvp)->v_ops, dvp, cnp, flags)
1055 #define VOP_OLD_RENAME(fdvp, fvp, fcnp, tdvp, tvp, tcnp) \
1056 	vop_old_rename(*(fdvp)->v_ops, fdvp, fvp, fcnp, tdvp, tvp, tcnp)
1057 #define VOP_OLD_RMDIR(dvp, vp, cnp)			\
1058 	vop_old_rmdir(*(dvp)->v_ops, dvp, vp, cnp)
1059 #define VOP_OLD_REMOVE(dvp, vp, cnp)			\
1060 	vop_old_remove(*(dvp)->v_ops, dvp, vp, cnp)
1061 
1062 /*
1063  * 'NEW' VOP calls.  These calls use namespaces as an operational basis
1064  * rather then vnodes and replace the OLD calls.   Eventually all VFS's
1065  * will support these calls.  Those that do not fall through to compatibility
1066  * code in kern/vfs_default which does the magic required to call the old
1067  * routines.
1068  */
1069 #define VOP_NRESOLVE(nch, dvp, cred)			\
1070 	vop_nresolve((nch)->mount->mnt_vn_use_ops, nch, dvp, cred)
1071 #define VOP_NLOOKUPDOTDOT(dvp, vpp, cred, fakename)	\
1072 	vop_nlookupdotdot(*(dvp)->v_ops, dvp, vpp, cred, fakename)
1073 #define VOP_NCREATE(nch, dvp, vpp, cred, vap)		\
1074 	vop_ncreate((nch)->mount->mnt_vn_use_ops, nch, dvp, vpp, cred, vap)
1075 #define VOP_NMKDIR(nch, dvp, vpp, cred, vap)		\
1076 	vop_nmkdir((nch)->mount->mnt_vn_use_ops, nch, dvp, vpp, cred, vap)
1077 #define VOP_NMKNOD(nch, dvp, vpp, cred, vap)		\
1078 	vop_nmknod((nch)->mount->mnt_vn_use_ops, nch, dvp, vpp, cred, vap)
1079 #define VOP_NLINK(nch, dvp, vp, cred)			\
1080 	vop_nlink((nch)->mount->mnt_vn_use_ops, nch, dvp, vp, cred)
1081 #define VOP_NSYMLINK(nch, dvp, vpp, cred, vap, target)	\
1082 	vop_nsymlink((nch)->mount->mnt_vn_use_ops, nch, dvp, vpp, cred, vap, target)
1083 #define VOP_NWHITEOUT(nch, dvp, cred, flags)		\
1084 	vop_nwhiteout((nch)->mount->mnt_vn_use_ops, nch, dvp, cred, flags)
1085 #define VOP_NRENAME(fnch, tnch, fdvp, tdvp, cred)		\
1086 	vop_nrename((fnch)->mount->mnt_vn_use_ops, fnch, tnch, fdvp, tdvp, cred)
1087 #define VOP_NRMDIR(nch, dvp, cred)			\
1088 	vop_nrmdir((nch)->mount->mnt_vn_use_ops, nch, dvp, cred)
1089 #define VOP_NREMOVE(nch, dvp, cred)			\
1090 	vop_nremove((nch)->mount->mnt_vn_use_ops, nch, dvp, cred)
1091 
1092 #endif
1093 
1094