xref: /dragonfly/sys/sys/vfsops.h (revision 0b2c5ee3)
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 
35 /*
36  * The vop_ops structure vectors all access to a filesystem.  It contains a
37  * fixed set of vectors.
38  *
39  * In DragonFly the ultimate goal is to thread the VFS, which means that
40  * the dispatch functions will eventually be called from the context of
41  * a management thread rather then directly called by a process.  This
42  * requires us to divorce direct process dependancies (in particular ioctl
43  * and UIO's).  In addition, it is our intention to implement kernel
44  * level cache management and coherency in the vop_*() interfacing
45  * layer.
46  *
47  * The number of management threads will depend on the VFS.  The idea is
48  * to give a high performance VFS such as UFS at least one thread per cpu,
49  * and a low performance VFS such as CD9660 perhaps just one thread period.
50  * Blocking issues within the management thread are up to the VFS itself,
51  * but DragonFly will introduce a layer above the VFS to handle cacheable
52  * requests without having to enter the VFS (e.g. by making attribute
53  * and VM object information a permanent fixture of the vnode structure
54  * and accessing them directly).
55  *
56  * THE VOPOPS VECTORS SHOULD NEVER BE CALLED DIRECTLY!  Instead always use
57  * the kernel helper procedures vop_*() to call a vopop.  The kernel
58  * helper procedure will be responsible for handling the DragonFly messaging
59  * conversion when it occurs.
60  */
61 
62 #ifndef _SYS_VFSOPS_H_
63 #define	_SYS_VFSOPS_H_
64 
65 #ifdef _KERNEL
66 #ifndef _SYS_ACL_H_
67 #include <sys/acl.h>
68 #endif
69 #ifndef _SYS_BUF_H_
70 #include <sys/buf.h>	/* buf_cmd_t */
71 #endif
72 #ifndef _SYS_FCNTL_H_
73 #include <sys/fcntl.h>	/* AT_EACCESS */
74 #endif
75 
76 struct syslink_desc;
77 struct vnode;
78 struct thread;
79 struct nchandle;
80 struct componentname;
81 struct vattr;
82 struct ucred;
83 struct uio;
84 struct file;
85 struct knote;
86 struct vm_object;
87 struct vm_page;
88 struct vfscache;
89 
90 struct vop_generic_args {
91 	struct syslink_desc *a_desc;	/* command descriptor for the call */
92 	struct vop_ops *a_ops;		/* operations vector for the call */
93 	int a_reserved[4];
94 };
95 
96 struct vop_old_lookup_args {
97 	struct vop_generic_args a_head;
98 	struct vnode *a_dvp;
99 	struct vnode **a_vpp;
100 	struct componentname *a_cnp;
101 };
102 
103 struct vop_old_create_args {
104 	struct vop_generic_args a_head;
105 	struct vnode *a_dvp;
106 	struct vnode **a_vpp;
107 	struct componentname *a_cnp;
108 	struct vattr *a_vap;
109 };
110 
111 struct vop_old_whiteout_args {
112 	struct vop_generic_args a_head;
113 	struct vnode *a_dvp;
114 	struct componentname *a_cnp;
115 	int a_flags;
116 };
117 
118 struct vop_old_mknod_args {
119 	struct vop_generic_args a_head;
120 	struct vnode *a_dvp;
121 	struct vnode **a_vpp;
122 	struct componentname *a_cnp;
123 	struct vattr *a_vap;
124 };
125 
126 struct vop_open_args {
127 	struct vop_generic_args a_head;
128 	struct vnode *a_vp;
129 	int a_mode;
130 	struct ucred *a_cred;
131 	struct file **a_fpp;		/* optional *fpp for fileops override */
132 };
133 
134 struct vop_close_args {
135 	struct vop_generic_args a_head;
136 	struct vnode *a_vp;
137 	int a_fflag;
138 	struct file *a_fp;		/* optional fp for fileops override */
139 };
140 
141 struct vop_access_args {
142 	struct vop_generic_args a_head;
143 	struct vnode *a_vp;
144 	int a_mode;				/* V* bitmask */
145 	int a_flags;				/* AT_* bitmask */
146 	struct ucred *a_cred;
147 };
148 
149 struct vop_getattr_args {
150 	struct vop_generic_args a_head;
151 	struct vnode *a_vp;
152 	struct vattr *a_vap;
153 	struct file *a_fp; /* FUSE */
154 };
155 
156 struct vop_getattr_lite_args {
157 	struct vop_generic_args a_head;
158 	struct vnode *a_vp;
159 	struct vattr_lite *a_lvap;
160 	struct file *a_fp; /* FUSE */
161 };
162 
163 struct vop_setattr_args {
164 	struct vop_generic_args a_head;
165 	struct vnode *a_vp;
166 	struct vattr *a_vap;
167 	struct ucred *a_cred;
168 	struct file *a_fp; /* FUSE */
169 };
170 
171 struct vop_read_args {
172 	struct vop_generic_args a_head;
173 	struct vnode *a_vp;
174 	struct uio *a_uio;
175 	int a_ioflag;
176 	struct ucred *a_cred;
177 	struct file *a_fp; /* FUSE */
178 };
179 
180 struct vop_write_args {
181 	struct vop_generic_args a_head;
182 	struct vnode *a_vp;
183 	struct uio *a_uio;
184 	int a_ioflag;
185 	struct ucred *a_cred;
186 	struct file *a_fp; /* FUSE */
187 };
188 
189 struct vop_ioctl_args {
190 	struct vop_generic_args a_head;
191 	struct vnode *a_vp;
192 	u_long a_command;
193 	caddr_t a_data;
194 	int a_fflag;
195 	struct ucred *a_cred;
196 	struct sysmsg *a_sysmsg;
197 };
198 
199 struct vop_poll_args {
200 	struct vop_generic_args a_head;
201 	struct vnode *a_vp;
202 	int a_events;
203 	struct ucred *a_cred;
204 };
205 
206 struct vop_kqfilter_args {
207 	struct vop_generic_args a_head;
208 	struct vnode *a_vp;
209 	struct knote *a_kn;
210 };
211 
212 struct vop_mmap_args {
213 	struct vop_generic_args a_head;
214 	struct vnode *a_vp;
215 	int a_fflags;
216 	struct ucred *a_cred;
217 };
218 
219 struct vop_fsync_args {
220 	struct vop_generic_args a_head;
221 	struct vnode *a_vp;
222 	int a_waitfor;
223 	int a_flags;
224 	struct file *a_fp; /* FUSE */
225 };
226 
227 struct vop_old_remove_args {
228 	struct vop_generic_args a_head;
229 	struct vnode *a_dvp;
230 	struct vnode *a_vp;
231 	struct componentname *a_cnp;
232 };
233 
234 struct vop_old_link_args {
235 	struct vop_generic_args a_head;
236 	struct vnode *a_tdvp;
237 	struct vnode *a_vp;
238 	struct componentname *a_cnp;
239 };
240 
241 struct vop_old_rename_args {
242 	struct vop_generic_args a_head;
243 	struct vnode *a_fdvp;
244 	struct vnode *a_fvp;
245 	struct componentname *a_fcnp;
246 	struct vnode *a_tdvp;
247 	struct vnode *a_tvp;
248 	struct componentname *a_tcnp;
249 };
250 
251 struct vop_old_mkdir_args {
252 	struct vop_generic_args a_head;
253 	struct vnode *a_dvp;
254 	struct vnode **a_vpp;
255 	struct componentname *a_cnp;
256 	struct vattr *a_vap;
257 };
258 
259 struct vop_old_rmdir_args {
260 	struct vop_generic_args a_head;
261 	struct vnode *a_dvp;
262 	struct vnode *a_vp;
263 	struct componentname *a_cnp;
264 };
265 
266 struct vop_old_symlink_args {
267 	struct vop_generic_args a_head;
268 	struct vnode *a_dvp;
269 	struct vnode **a_vpp;
270 	struct componentname *a_cnp;
271 	struct vattr *a_vap;
272 	char *a_target;
273 };
274 
275 struct vop_readdir_args {
276 	struct vop_generic_args a_head;
277 	struct vnode *a_vp;
278 	struct uio *a_uio;
279 	struct ucred *a_cred;
280 	int *a_eofflag;
281 	int *a_ncookies;
282 	off_t **a_cookies;
283 	struct file *a_fp; /* FUSE */
284 };
285 
286 struct vop_readlink_args {
287 	struct vop_generic_args a_head;
288 	struct vnode *a_vp;
289 	struct uio *a_uio;
290 	struct ucred *a_cred;
291 };
292 
293 struct vop_inactive_args {
294 	struct vop_generic_args a_head;
295 	struct vnode *a_vp;
296 };
297 
298 struct vop_reclaim_args {
299 	struct vop_generic_args a_head;
300 	struct vnode *a_vp;
301 };
302 
303 struct vop_bmap_args {
304 	struct vop_generic_args a_head;
305 	struct vnode *a_vp;
306 	off_t a_loffset;
307 	off_t *a_doffsetp;
308 	int *a_runp;
309 	int *a_runb;
310 	buf_cmd_t a_cmd;	/* BUF_CMD_READ, BUF_CMD_WRITE, etc */
311 };
312 
313 struct vop_strategy_args {
314 	struct vop_generic_args a_head;
315 	struct vnode *a_vp;
316 	struct bio *a_bio;
317 };
318 
319 struct vop_print_args {
320 	struct vop_generic_args a_head;
321 	struct vnode *a_vp;
322 };
323 
324 struct vop_pathconf_args {
325 	struct vop_generic_args a_head;
326 	struct vnode *a_vp;
327 	int a_name;
328 	register_t *a_retval;
329 };
330 
331 struct vop_advlock_args {
332 	struct vop_generic_args a_head;
333 	struct vnode *a_vp;
334 	caddr_t a_id;
335 	int a_op;
336 	struct flock *a_fl;
337 	int a_flags;
338 };
339 
340 struct vop_balloc_args {
341 	struct vop_generic_args a_head;
342 	struct vnode *a_vp;
343 	off_t a_startoffset;
344 	int a_size;
345 	struct ucred *a_cred;
346 	int a_flags;
347 	struct buf **a_bpp;
348 };
349 
350 struct vop_reallocblks_args {
351 	struct vop_generic_args a_head;
352 	struct vnode *a_vp;
353 	struct cluster_save *a_buflist;
354 };
355 
356 struct vop_getpages_args {
357 	struct vop_generic_args a_head;
358 	struct vnode *a_vp;
359 	struct vm_page **a_m;
360 	int a_count;
361 	int a_reqpage;
362 	vm_ooffset_t a_offset;
363 	int a_seqaccess;
364 };
365 
366 struct vop_putpages_args {
367 	struct vop_generic_args a_head;
368 	struct vnode *a_vp;
369 	struct vm_page **a_m;
370 	int a_count;
371 	int a_flags;
372 	int *a_rtvals;
373 	vm_ooffset_t a_offset;
374 };
375 
376 struct vop_freeblks_args {
377 	struct vop_generic_args a_head;
378 	struct vnode *a_vp;
379 	off_t a_offset;
380 	int a_length;
381 };
382 
383 struct vop_getacl_args {
384 	struct vop_generic_args a_head;
385 	struct vnode *a_vp;
386 	acl_type_t a_type;
387 	struct acl *a_aclp;
388 	struct ucred *a_cred;
389 };
390 
391 struct vop_setacl_args {
392 	struct vop_generic_args a_head;
393 	struct vnode *a_vp;
394 	acl_type_t a_type;
395 	struct acl *a_aclp;
396 	struct ucred *a_cred;
397 };
398 
399 struct vop_aclcheck_args {
400 	struct vop_generic_args a_head;
401 	struct vnode *a_vp;
402 	acl_type_t a_type;
403 	struct acl *a_aclp;
404 	struct ucred *a_cred;
405 };
406 
407 struct vop_getextattr_args {
408 	struct vop_generic_args a_head;
409 	struct vnode *a_vp;
410 	int a_attrnamespace;
411 	char *a_attrname;
412 	struct uio *a_uio;
413 	struct ucred *a_cred;
414 };
415 
416 struct vop_setextattr_args {
417 	struct vop_generic_args a_head;
418 	struct vnode *a_vp;
419 	int a_attrnamespace;
420 	char *a_attrname;
421 	struct uio *a_uio;
422 	struct ucred *a_cred;
423 };
424 
425 struct vop_mountctl_args {
426 	struct vop_generic_args a_head;
427 	int a_op;
428 	struct file *a_fp;
429 	const void *a_ctl;
430 	int a_ctllen;
431 	void *a_buf;
432 	int a_buflen;
433 	int *a_res;
434 	struct vnode *a_vp;
435 };
436 
437 struct vop_markatime_args {
438 	struct vop_generic_args a_head;
439 	int a_op;
440 	struct vnode *a_vp;
441 	struct ucred *a_cred;
442 };
443 
444 /*
445  * NEW API
446  */
447 
448 /*
449  * Warning: a_dvp is only held, not ref'd.  The target must still vget()
450  * it.
451  */
452 struct vop_nresolve_args {
453 	struct vop_generic_args a_head;
454 	struct nchandle *a_nch;
455 	struct vnode *a_dvp;
456 	struct ucred *a_cred;
457 };
458 
459 struct vop_nlookupdotdot_args {
460 	struct vop_generic_args a_head;
461 	struct vnode *a_dvp;
462 	struct vnode **a_vpp;
463 	struct ucred *a_cred;
464 	char **a_fakename;
465 };
466 
467 /*
468  * Warning: a_dvp is only held, not ref'd.  The target must still vget()
469  * it.
470  */
471 struct vop_ncreate_args {
472 	struct vop_generic_args a_head;
473 	struct nchandle *a_nch;		/* locked namespace */
474 	struct vnode *a_dvp;		/* held directory vnode */
475 	struct vnode **a_vpp;		/* returned refd & locked */
476 	struct ucred *a_cred;
477 	struct vattr *a_vap;
478 };
479 
480 /*
481  * Warning: a_dvp is only held, not ref'd.  The target must still vget()
482  * it.
483  */
484 struct vop_nmkdir_args {
485 	struct vop_generic_args a_head;
486 	struct nchandle *a_nch;		/* locked namespace */
487 	struct vnode *a_dvp;
488 	struct vnode **a_vpp;			/* returned refd & locked */
489 	struct ucred *a_cred;
490 	struct vattr *a_vap;
491 };
492 
493 /*
494  * Warning: a_dvp is only held, not ref'd.  The target must still vget()
495  * it.
496  */
497 struct vop_nmknod_args {
498 	struct vop_generic_args a_head;
499 	struct nchandle *a_nch;
500 	struct vnode *a_dvp;
501 	struct vnode **a_vpp;
502 	struct ucred *a_cred;
503 	struct vattr *a_vap;
504 };
505 
506 /*
507  * Warning: a_dvp is only held, not ref'd.  The target must still vget()
508  * it.
509  */
510 struct vop_nlink_args {
511 	struct vop_generic_args a_head;
512 	struct nchandle *a_nch;
513 	struct vnode *a_dvp;
514 	struct vnode *a_vp;
515 	struct ucred *a_cred;
516 };
517 
518 /*
519  * Warning: a_dvp is only held, not ref'd.  The target must still vget()
520  * it.
521  */
522 struct vop_nsymlink_args {
523 	struct vop_generic_args a_head;
524 	struct nchandle *a_nch;
525 	struct vnode *a_dvp;
526 	struct vnode **a_vpp;
527 	struct ucred *a_cred;
528 	struct vattr *a_vap;
529 	char *a_target;
530 };
531 
532 /*
533  * Warning: a_dvp is only held, not ref'd.  The target must still vget()
534  * it.
535  */
536 struct vop_nwhiteout_args {
537 	struct vop_generic_args a_head;
538 	struct nchandle *a_nch;
539 	struct vnode *a_dvp;
540 	struct ucred *a_cred;
541 	int a_flags;
542 };
543 
544 /*
545  * Warning: a_dvp is only held, not ref'd.  The target must still vget()
546  * it.
547  */
548 struct vop_nremove_args {
549 	struct vop_generic_args a_head;
550 	struct nchandle *a_nch;		/* locked namespace */
551 	struct vnode *a_dvp;
552 	struct ucred *a_cred;
553 };
554 
555 /*
556  * Warning: a_dvp is only held, not ref'd.  The target must still vget()
557  * it.
558  */
559 struct vop_nrmdir_args {
560 	struct vop_generic_args a_head;
561 	struct nchandle *a_nch;		/* locked namespace */
562 	struct vnode *a_dvp;
563 	struct ucred *a_cred;
564 };
565 
566 /*
567  * Warning: a_fdvp and a_tdvp are only held, not ref'd.  The target must
568  * still vget() it.
569  */
570 struct vop_nrename_args {
571 	struct vop_generic_args a_head;
572 	struct nchandle *a_fnch;		/* locked namespace / from */
573 	struct nchandle *a_tnch;		/* locked namespace / to */
574 	struct vnode *a_fdvp;
575 	struct vnode *a_tdvp;
576 	struct ucred *a_cred;
577 };
578 
579 /*
580  * This structure is the post-compiled VOP operations vector.  vop_ops are
581  * typically per-mount entities.  The first section is used by our vop_*()
582  * function wrappers to implement hooks for per-mount management functions
583  * such as journaling and cache coherency protocols.  The second section is
584  * the function dispatch for the VFSs.  The functions are supposed to run
585  * in the context of the VFS's thread (if it has one) and should not be
586  * directly called from random kernel code.  Note that VOCALL()s are direct
587  * calls used for chaining vop_ops structures from a VFS context.
588  */
589 struct vop_ops {
590 	struct {
591 		struct mount	*vv_mount;
592 	} head;
593 
594 #define vop_ops_first_field	vop_default
595 	int	(*vop_default)(struct vop_generic_args *);
596 	int	(*vop_unused11)(void *);
597 	int	(*vop_old_lookup)(struct vop_old_lookup_args *);
598 	int	(*vop_unused03)(void *);
599 	int	(*vop_old_create)(struct vop_old_create_args *);
600 	int	(*vop_old_whiteout)(struct vop_old_whiteout_args *);
601 	int	(*vop_old_mknod)(struct vop_old_mknod_args *);
602 	int	(*vop_open)(struct vop_open_args *);
603 	int	(*vop_close)(struct vop_close_args *);
604 	int	(*vop_access)(struct vop_access_args *);
605 	int	(*vop_getattr)(struct vop_getattr_args *);
606 	int	(*vop_getattr_lite)(struct vop_getattr_lite_args *);
607 	int	(*vop_setattr)(struct vop_setattr_args *);
608 	int	(*vop_read)(struct vop_read_args *);
609 	int	(*vop_write)(struct vop_write_args *);
610 	int	(*vop_unused04)(void *);
611 	int	(*vop_ioctl)(struct vop_ioctl_args *);
612 	int	(*vop_poll)(struct vop_poll_args *);
613 	int	(*vop_kqfilter)(struct vop_kqfilter_args *);
614 	int	(*vop_unused01)(void *);	/* was vop_revoke */
615 	int	(*vop_mmap)(struct vop_mmap_args *);
616 	int	(*vop_fsync)(struct vop_fsync_args *);
617 	int	(*vop_old_remove)(struct vop_old_remove_args *);
618 	int	(*vop_old_link)(struct vop_old_link_args *);
619 	int	(*vop_old_rename)(struct vop_old_rename_args *);
620 	int	(*vop_old_mkdir)(struct vop_old_mkdir_args *);
621 	int	(*vop_old_rmdir)(struct vop_old_rmdir_args *);
622 	int	(*vop_old_symlink)(struct vop_old_symlink_args *);
623 	int	(*vop_readdir)(struct vop_readdir_args *);
624 	int	(*vop_readlink)(struct vop_readlink_args *);
625 	int	(*vop_inactive)(struct vop_inactive_args *);
626 	int	(*vop_reclaim)(struct vop_reclaim_args *);
627 	int	(*vop_unused09)(void *);
628 	int	(*vop_unused10)(void *);
629 	int	(*vop_bmap)(struct vop_bmap_args *);
630 	int	(*vop_strategy)(struct vop_strategy_args *);
631 	int	(*vop_print)(struct vop_print_args *);
632 	int	(*vop_pathconf)(struct vop_pathconf_args *);
633 	int	(*vop_advlock)(struct vop_advlock_args *);
634 	int	(*vop_balloc)(struct vop_balloc_args *);
635 	int	(*vop_reallocblks)(struct vop_reallocblks_args *);
636 	int	(*vop_getpages)(struct vop_getpages_args *);
637 	int	(*vop_putpages)(struct vop_putpages_args *);
638 	int	(*vop_freeblks)(struct vop_freeblks_args *);
639 	int	(*vop_unused05)(void *);
640 	int	(*vop_getacl)(struct vop_getacl_args *);
641 	int	(*vop_setacl)(struct vop_setacl_args *);
642 	int	(*vop_aclcheck)(struct vop_aclcheck_args *);
643 	int	(*vop_getextattr)(struct vop_getextattr_args *);
644 	int	(*vop_setextattr)(struct vop_setextattr_args *);
645 	int	(*vop_unused06)(void *);
646 	int	(*vop_unused07)(void *);
647 	int	(*vop_unused08)(void *);
648 	int	(*vop_mountctl)(struct vop_mountctl_args *);
649 	int	(*vop_markatime)(struct vop_markatime_args *);
650 
651 	int	(*vop_nresolve)(struct vop_nresolve_args *);
652 	int	(*vop_nlookupdotdot)(struct vop_nlookupdotdot_args *);
653 	int	(*vop_ncreate)(struct vop_ncreate_args *);
654 	int	(*vop_nmkdir)(struct vop_nmkdir_args *);
655 	int	(*vop_nmknod)(struct vop_nmknod_args *);
656 	int	(*vop_nlink)(struct vop_nlink_args *);
657 	int	(*vop_nsymlink)(struct vop_nsymlink_args *);
658 	int	(*vop_nwhiteout)(struct vop_nwhiteout_args *);
659 	int	(*vop_nremove)(struct vop_nremove_args *);
660 	int	(*vop_nrmdir)(struct vop_nrmdir_args *);
661 	int	(*vop_nrename)(struct vop_nrename_args *);
662 #define vop_ops_last_field	vop_nrename
663 };
664 #endif	/* _KERNEL */
665 
666 /*
667  * vop_mountctl() operations
668  */
669 #define VFSSET_DETACH		0
670 #define VFSSET_ATTACH		1
671 
672 /*
673  * Kernel VOP arguments union, suitable for malloc / embedding in other
674  * structures.  The vop_args_union can hold any VOP call argument structure.
675  * Note that vu_head is broken out.
676  */
677 #if 0
678 union vop_args_union {
679 	struct vop_generic_args vu_head;
680 	struct vop_generic_args vu_default;
681 	struct vop_old_lookup_args vu_lookup;
682 	struct vop_old_create_args vu_create;
683 	struct vop_old_whiteout_args vu_whiteout;
684 	struct vop_old_mknod_args vu_mknod;
685 	struct vop_open_args vu_open;
686 	struct vop_close_args vu_close;
687 	struct vop_access_args vu_access;
688 	struct vop_getattr_args vu_getattr;
689 	struct vop_setattr_args vu_setattr;
690 	struct vop_read_args vu_read;
691 	struct vop_write_args vu_write;
692 	struct vop_ioctl_args vu_ioctl;
693 	struct vop_poll_args vu_poll;
694 	struct vop_kqfilter_args vu_kqfilter;
695 	struct vop_mmap_args vu_mmap;
696 	struct vop_fsync_args vu_fsync;
697 	struct vop_old_remove_args vu_remove;
698 	struct vop_old_link_args vu_link;
699 	struct vop_old_rename_args vu_rename;
700 	struct vop_old_mkdir_args vu_mkdir;
701 	struct vop_old_rmdir_args vu_rmdir;
702 	struct vop_old_symlink_args vu_symlink;
703 	struct vop_readdir_args vu_readdir;
704 	struct vop_readlink_args vu_readlink;
705 	struct vop_inactive_args vu_inactive;
706 	struct vop_reclaim_args vu_reclaim;
707 	struct vop_bmap_args vu_bmap;
708 	struct vop_strategy_args vu_strategy;
709 	struct vop_print_args vu_print;
710 	struct vop_pathconf_args vu_pathconf;
711 	struct vop_advlock_args vu_advlock;
712 	struct vop_balloc_args vu_balloc;
713 	struct vop_reallocblks_args vu_reallocblks;
714 	struct vop_getpages_args vu_getpages;
715 	struct vop_putpages_args vu_putpages;
716 	struct vop_freeblks_args vu_freeblks;
717 	struct vop_getacl_args vu_getacl;
718 	struct vop_setacl_args vu_setacl;
719 	struct vop_aclcheck_args vu_aclcheck;
720 	struct vop_getextattr_args vu_getextattr;
721 	struct vop_setextattr_args vu_setextattr;
722 	struct vop_mountctl_args vu_mountctl;
723 	struct vop_markatime_args vu_markatime;
724 
725 	struct vop_nresolve_args vu_nresolve;
726 	struct vop_nlookupdotdot_args vu_nlookupdotdot;
727 	struct vop_ncreate_args vu_ncreate;
728 	struct vop_nmkdir_args vu_nmkdir;
729 	struct vop_nmknod_args vu_nmknod;
730 	struct vop_nlink_args vu_nlink;
731 	struct vop_nsymlink_args vu_nsymlink;
732 	struct vop_nwhiteout_args vu_nwhiteout;
733 	struct vop_nremove_args vu_nremove;
734 	struct vop_nrmdir_args vu_nrmdir;
735 	struct vop_nrename_args vu_nrename;
736 };
737 #endif
738 
739 #ifdef _KERNEL
740 
741 /*
742  * Kernel VOP call wrappers.  These wrappers are responsible for wrapping
743  * the arguments in the appropriate VOP arguments structure, sending the
744  * message, and waiting for a reply.  All kernel and VFS code should generally
745  * call these wrappers rather then attempt to call the operations vector
746  * routine directly in order to allow DragonFly to properly wrap the operation
747  * in a message and dispatch it to the correct thread.
748  */
749 int vop_old_lookup(struct vop_ops *ops, struct vnode *dvp,
750 		struct vnode **vpp, struct componentname *cnp);
751 int vop_old_create(struct vop_ops *ops, struct vnode *dvp,
752 		struct vnode **vpp, struct componentname *cnp,
753 		struct vattr *vap);
754 int vop_old_whiteout(struct vop_ops *ops, struct vnode *dvp,
755 		struct componentname *cnp, int flags);
756 int vop_old_mknod(struct vop_ops *ops, struct vnode *dvp,
757 		struct vnode **vpp, struct componentname *cnp,
758 		struct vattr *vap);
759 int vop_open(struct vop_ops *ops, struct vnode *vp, int mode,
760 		struct ucred *cred, struct file **fpp);
761 int vop_close(struct vop_ops *ops, struct vnode *vp, int fflag,
762 		struct file *file);
763 int vop_access(struct vop_ops *ops, struct vnode *vp, int mode, int flags,
764 		struct ucred *cred);
765 int vop_getattr(struct vop_ops *ops, struct vnode *vp, struct vattr *vap,
766 		struct file *fp);
767 int vop_getattr_lite(struct vop_ops *ops, struct vnode *vp,
768 		struct vattr_lite *vap);
769 int vop_setattr(struct vop_ops *ops, struct vnode *vp, struct vattr *vap,
770 		struct ucred *cred, struct file *fp);
771 int vop_read(struct vop_ops *ops, struct vnode *vp, struct uio *uio,
772 		int ioflag, struct ucred *cred, struct file *fp);
773 int vop_write(struct vop_ops *ops, struct vnode *vp, struct uio *uio,
774 		int ioflag, struct ucred *cred, struct file *fp);
775 int vop_ioctl(struct vop_ops *ops, struct vnode *vp, u_long command,
776 		caddr_t data, int fflag, struct ucred *cred,
777 		struct sysmsg *msg);
778 int vop_poll(struct vop_ops *ops, struct vnode *vp, int events,
779 		struct ucred *cred);
780 int vop_kqfilter(struct vop_ops *ops, struct vnode *vp, struct knote *kn);
781 int vop_mmap(struct vop_ops *ops, struct vnode *vp, int fflags,
782 		struct ucred *cred);
783 int vop_fsync(struct vop_ops *ops, struct vnode *vp, int waitfor, int flags,
784 		struct file *fp);
785 int vop_old_remove(struct vop_ops *ops, struct vnode *dvp,
786 		struct vnode *vp, struct componentname *cnp);
787 int vop_old_link(struct vop_ops *ops, struct vnode *tdvp,
788 		struct vnode *vp, struct componentname *cnp);
789 int vop_old_rename(struct vop_ops *ops, struct vnode *fdvp,
790 		struct vnode *fvp, struct componentname *fcnp,
791 		struct vnode *tdvp, struct vnode *tvp,
792 		struct componentname *tcnp);
793 int vop_old_mkdir(struct vop_ops *ops, struct vnode *dvp,
794 		struct vnode **vpp, struct componentname *cnp,
795 		struct vattr *vap);
796 int vop_old_rmdir(struct vop_ops *ops, struct vnode *dvp,
797 		struct vnode *vp, struct componentname *cnp);
798 int vop_old_symlink(struct vop_ops *ops, struct vnode *dvp,
799 		struct vnode **vpp, struct componentname *cnp,
800 		struct vattr *vap, char *target);
801 int vop_readdir(struct vop_ops *ops, struct vnode *vp, struct uio *uio,
802 		struct ucred *cred, int *eofflag,
803 		int *ncookies, off_t **cookies, struct file *fp);
804 int vop_readlink(struct vop_ops *ops, struct vnode *vp, struct uio *uio,
805 		struct ucred *cred);
806 int vop_inactive(struct vop_ops *ops, struct vnode *vp);
807 int vop_reclaim(struct vop_ops *ops, struct vnode *vp);
808 int vop_bmap(struct vop_ops *ops, struct vnode *vp, off_t loffset,
809 		off_t *doffsetp, int *runp, int *runb, buf_cmd_t cmd);
810 int vop_strategy(struct vop_ops *ops, struct vnode *vp, struct bio *bio);
811 int vop_print(struct vop_ops *ops, struct vnode *vp);
812 int vop_pathconf(struct vop_ops *ops, struct vnode *vp, int name,
813 		register_t *retval);
814 int vop_advlock(struct vop_ops *ops, struct vnode *vp, caddr_t id, int op,
815 		struct flock *fl, int flags);
816 int vop_balloc(struct vop_ops *ops, struct vnode *vp, off_t startoffset,
817 		int size, struct ucred *cred, int flags,
818 		struct buf **bpp);
819 int vop_reallocblks(struct vop_ops *ops, struct vnode *vp,
820 		struct cluster_save *buflist);
821 int vop_getpages(struct vop_ops *ops, struct vnode *vp, struct vm_page **m,
822 		int count, int reqpage, vm_ooffset_t offset, int seqaccess);
823 int vop_putpages(struct vop_ops *ops, struct vnode *vp, struct vm_page **m,
824 		int count, int flags, int *rtvals, vm_ooffset_t offset);
825 int vop_freeblks(struct vop_ops *ops, struct vnode *vp,
826 		off_t offset, int length);
827 int vop_getacl(struct vop_ops *ops, struct vnode *vp, acl_type_t type,
828 		struct acl *aclp, struct ucred *cred);
829 int vop_setacl(struct vop_ops *ops, struct vnode *vp, acl_type_t type,
830 		struct acl *aclp, struct ucred *cred);
831 int vop_aclcheck(struct vop_ops *ops, struct vnode *vp, acl_type_t type,
832 		struct acl *aclp, struct ucred *cred);
833 
834 int vop_getextattr(struct vop_ops *ops, struct vnode *vp, int attrnamespace,
835 		char *attrname, struct uio *uio, struct ucred *cred);
836 int vop_setextattr(struct vop_ops *ops, struct vnode *vp, int attrnamespace,
837 		char *attrname, struct uio *uio, struct ucred *cred);
838 int vop_mountctl(struct vop_ops *ops, struct vnode *vp, int op,
839 		struct file *fp, const void *ctl, int ctllen,
840 		void *buf, int buflen, int *res);
841 int vop_markatime(struct vop_ops *ops, struct vnode *vp, struct ucred *cred);
842 int vop_nresolve(struct vop_ops *ops, struct nchandle *nch,
843 		struct vnode *dvp, struct ucred *cred);
844 int vop_nlookupdotdot(struct vop_ops *ops, struct vnode *dvp,
845 		struct vnode **vpp, struct ucred *cred, char **fakename);
846 int vop_ncreate(struct vop_ops *ops, struct nchandle *nch, struct vnode *dvp,
847 		struct vnode **vpp, struct ucred *cred, struct vattr *vap);
848 int vop_nmkdir(struct vop_ops *ops, struct nchandle *nch, struct vnode *dvp,
849 		struct vnode **vpp, struct ucred *cred, struct vattr *vap);
850 int vop_nmknod(struct vop_ops *ops, struct nchandle *nch, struct vnode *dvp,
851 		struct vnode **vpp, struct ucred *cred, struct vattr *vap);
852 int vop_nlink(struct vop_ops *ops, struct nchandle *nch, struct vnode *dvp,
853 		struct vnode *vp, struct ucred *cred);
854 int vop_nsymlink(struct vop_ops *ops, struct nchandle *nch, struct vnode *dvp,
855 		struct vnode **vpp, struct ucred *cred,
856 		struct vattr *vap, char *target);
857 int vop_nwhiteout(struct vop_ops *ops, struct nchandle *nch, struct vnode *dvp,
858 		struct ucred *cred, int flags);
859 int vop_nremove(struct vop_ops *ops, struct nchandle *nch, struct vnode *dvp,
860 		struct ucred *cred);
861 int vop_nrmdir(struct vop_ops *ops, struct nchandle *nch, struct vnode *dvp,
862 		struct ucred *cred);
863 int vop_nrename(struct vop_ops *ops,
864 		struct nchandle *fnch, struct nchandle *tnch,
865 		struct vnode *fdvp, struct vnode *tdvp,
866 		struct ucred *cred);
867 
868 /*
869  * Kernel VOP forwarding wrappers.  These are called when a VFS such as
870  * nullfs needs to push down into another VFS, changing the
871  * a_ops pointer and consequentially necessitating additional
872  * cache management.
873  *
874  * Note that this is different from vop_ops chaining within the same
875  * filesystem.  When a filesystem chains a vop_ops it just uses VOCALLs.
876  */
877 int vop_vnoperate_ap(struct vop_generic_args *ap);
878 int vop_cache_operate_ap(struct vop_generic_args *ap);
879 int vop_journal_operate_ap(struct vop_generic_args *ap);
880 int vop_old_lookup_ap(struct vop_old_lookup_args *ap);
881 int vop_old_create_ap(struct vop_old_create_args *ap);
882 int vop_old_whiteout_ap(struct vop_old_whiteout_args *ap);
883 int vop_old_mknod_ap(struct vop_old_mknod_args *ap);
884 int vop_open_ap(struct vop_open_args *ap);
885 int vop_close_ap(struct vop_close_args *ap);
886 int vop_access_ap(struct vop_access_args *ap);
887 int vop_getattr_ap(struct vop_getattr_args *ap);
888 int vop_getattr_lite_ap(struct vop_getattr_lite_args *ap);
889 int vop_setattr_ap(struct vop_setattr_args *ap);
890 int vop_read_ap(struct vop_read_args *ap);
891 int vop_write_ap(struct vop_write_args *ap);
892 int vop_ioctl_ap(struct vop_ioctl_args *ap);
893 int vop_poll_ap(struct vop_poll_args *ap);
894 int vop_kqfilter_ap(struct vop_kqfilter_args *ap);
895 int vop_mmap_ap(struct vop_mmap_args *ap);
896 int vop_fsync_ap(struct vop_fsync_args *ap);
897 int vop_old_remove_ap(struct vop_old_remove_args *ap);
898 int vop_old_link_ap(struct vop_old_link_args *ap);
899 int vop_old_rename_ap(struct vop_old_rename_args *ap);
900 int vop_old_mkdir_ap(struct vop_old_mkdir_args *ap);
901 int vop_old_rmdir_ap(struct vop_old_rmdir_args *ap);
902 int vop_old_symlink_ap(struct vop_old_symlink_args *ap);
903 int vop_readdir_ap(struct vop_readdir_args *ap);
904 int vop_readlink_ap(struct vop_readlink_args *ap);
905 int vop_inactive_ap(struct vop_inactive_args *ap);
906 int vop_reclaim_ap(struct vop_reclaim_args *ap);
907 int vop_bmap_ap(struct vop_bmap_args *ap);
908 int vop_strategy_ap(struct vop_strategy_args *ap);
909 int vop_print_ap(struct vop_print_args *ap);
910 int vop_pathconf_ap(struct vop_pathconf_args *ap);
911 int vop_advlock_ap(struct vop_advlock_args *ap);
912 int vop_balloc_ap(struct vop_balloc_args *ap);
913 int vop_reallocblks_ap(struct vop_reallocblks_args *ap);
914 int vop_getpages_ap(struct vop_getpages_args *ap);
915 int vop_putpages_ap(struct vop_putpages_args *ap);
916 int vop_freeblks_ap(struct vop_freeblks_args *ap);
917 int vop_getacl_ap(struct vop_getacl_args *ap);
918 int vop_setacl_ap(struct vop_setacl_args *ap);
919 int vop_aclcheck_ap(struct vop_aclcheck_args *ap);
920 int vop_getextattr_ap(struct vop_getextattr_args *ap);
921 int vop_setextattr_ap(struct vop_setextattr_args *ap);
922 int vop_mountctl_ap(struct vop_mountctl_args *ap);
923 int vop_markatime_ap(struct vop_markatime_args *ap);
924 
925 int vop_nresolve_ap(struct vop_nresolve_args *ap);
926 int vop_nlookupdotdot_ap(struct vop_nlookupdotdot_args *ap);
927 int vop_ncreate_ap(struct vop_ncreate_args *ap);
928 int vop_nmkdir_ap(struct vop_nmkdir_args *ap);
929 int vop_nmknod_ap(struct vop_nmknod_args *ap);
930 int vop_nlink_ap(struct vop_nlink_args *ap);
931 int vop_nsymlink_ap(struct vop_nsymlink_args *ap);
932 int vop_nwhiteout_ap(struct vop_nwhiteout_args *ap);
933 int vop_nremove_ap(struct vop_nremove_args *ap);
934 int vop_nrmdir_ap(struct vop_nrmdir_args *ap);
935 int vop_nrename_ap(struct vop_nrename_args *ap);
936 
937 /*
938  * VOP operations descriptor.  This is used by the vop_ops compiler
939  * to convert VFS vector arrays (typically in vfs/blah/blah_vnops.c)
940  * into a vop_ops operations vector.
941  */
942 extern struct syslink_desc vop_default_desc;
943 extern struct syslink_desc vop_old_lookup_desc;
944 extern struct syslink_desc vop_old_create_desc;
945 extern struct syslink_desc vop_old_whiteout_desc;
946 extern struct syslink_desc vop_old_mknod_desc;
947 extern struct syslink_desc vop_open_desc;
948 extern struct syslink_desc vop_close_desc;
949 extern struct syslink_desc vop_access_desc;
950 extern struct syslink_desc vop_getattr_desc;
951 extern struct syslink_desc vop_getattr_lite_desc;
952 extern struct syslink_desc vop_setattr_desc;
953 extern struct syslink_desc vop_read_desc;
954 extern struct syslink_desc vop_write_desc;
955 extern struct syslink_desc vop_ioctl_desc;
956 extern struct syslink_desc vop_poll_desc;
957 extern struct syslink_desc vop_kqfilter_desc;
958 extern struct syslink_desc vop_mmap_desc;
959 extern struct syslink_desc vop_fsync_desc;
960 extern struct syslink_desc vop_old_remove_desc;
961 extern struct syslink_desc vop_old_link_desc;
962 extern struct syslink_desc vop_old_rename_desc;
963 extern struct syslink_desc vop_old_mkdir_desc;
964 extern struct syslink_desc vop_old_rmdir_desc;
965 extern struct syslink_desc vop_old_symlink_desc;
966 extern struct syslink_desc vop_readdir_desc;
967 extern struct syslink_desc vop_readlink_desc;
968 extern struct syslink_desc vop_inactive_desc;
969 extern struct syslink_desc vop_reclaim_desc;
970 extern struct syslink_desc vop_bmap_desc;
971 extern struct syslink_desc vop_strategy_desc;
972 extern struct syslink_desc vop_print_desc;
973 extern struct syslink_desc vop_pathconf_desc;
974 extern struct syslink_desc vop_advlock_desc;
975 extern struct syslink_desc vop_balloc_desc;
976 extern struct syslink_desc vop_reallocblks_desc;
977 extern struct syslink_desc vop_getpages_desc;
978 extern struct syslink_desc vop_putpages_desc;
979 extern struct syslink_desc vop_freeblks_desc;
980 extern struct syslink_desc vop_getacl_desc;
981 extern struct syslink_desc vop_setacl_desc;
982 extern struct syslink_desc vop_aclcheck_desc;
983 extern struct syslink_desc vop_getextattr_desc;
984 extern struct syslink_desc vop_setextattr_desc;
985 extern struct syslink_desc vop_mountctl_desc;
986 extern struct syslink_desc vop_markatime_desc;
987 
988 extern struct syslink_desc vop_nresolve_desc;
989 extern struct syslink_desc vop_nlookupdotdot_desc;
990 extern struct syslink_desc vop_ncreate_desc;
991 extern struct syslink_desc vop_nmkdir_desc;
992 extern struct syslink_desc vop_nmknod_desc;
993 extern struct syslink_desc vop_nlink_desc;
994 extern struct syslink_desc vop_nsymlink_desc;
995 extern struct syslink_desc vop_nwhiteout_desc;
996 extern struct syslink_desc vop_nremove_desc;
997 extern struct syslink_desc vop_nrmdir_desc;
998 extern struct syslink_desc vop_nrename_desc;
999 
1000 #endif	/* _KERNEL */
1001 
1002 /*
1003  * VOP_*() convenience macros extract the operations vector and make the
1004  * vop_*() call.
1005  */
1006 #ifdef _KERNEL
1007 #define VOP_OPEN(vp, mode, cred, fpp)			\
1008 	vop_open(*(vp)->v_ops, vp, mode, cred, fpp)
1009 #define VOP_CLOSE(vp, fflag, fp)			\
1010 	vop_close(*(vp)->v_ops, vp, fflag, fp)
1011 #define VOP_ACCESS(vp, mode, cred)			\
1012 	vop_access(*(vp)->v_ops, vp, mode, 0, cred)
1013 #define VOP_EACCESS(vp, mode, cred)			\
1014 	vop_access(*(vp)->v_ops, vp, mode, AT_EACCESS, cred)
1015 #define VOP_ACCESS_FLAGS(vp, mode, flags, cred)		\
1016 	vop_access(*(vp)->v_ops, vp, mode, flags, cred)
1017 #define VOP_GETATTR_FP(vp, vap, fp)			\
1018 	vop_getattr(*(vp)->v_ops, vp, vap, fp) /* FUSE */
1019 #define VOP_GETATTR(vp, vap)				\
1020 	VOP_GETATTR_FP(vp, vap, NULL)
1021 #define VOP_GETATTR_LITE(vp, lvap)			\
1022 	vop_getattr_lite(*(vp)->v_ops, vp, lvap)
1023 #define VOP_SETATTR_FP(vp, vap, cred, fp)		\
1024 	vop_setattr(*(vp)->v_ops, vp, vap, cred, fp) /* FUSE */
1025 #define VOP_SETATTR(vp, vap, cred)			\
1026 	VOP_SETATTR_FP(vp, vap, cred, NULL)
1027 #define VOP_READ_FP(vp, uio, ioflag, cred, fp)		\
1028 	vop_read(*(vp)->v_ops, vp, uio, ioflag, cred, fp) /* FUSE */
1029 #define VOP_READ(vp, uio, ioflag, cred)			\
1030 	VOP_READ_FP(vp, uio, ioflag, cred, NULL)
1031 #define VOP_WRITE_FP(vp, uio, ioflag, cred, fp)		\
1032 	vop_write(*(vp)->v_ops, vp, uio, ioflag, cred, fp) /* FUSE */
1033 #define VOP_WRITE(vp, uio, ioflag, cred)		\
1034 	VOP_WRITE_FP(vp, uio, ioflag, cred, NULL)
1035 #define VOP_IOCTL(vp, command, data, fflag, cred, msg)	\
1036 	vop_ioctl(*(vp)->v_ops, vp, command, data, fflag, cred, msg)
1037 #define VOP_POLL(vp, events, cred)			\
1038 	vop_poll(*(vp)->v_ops, vp, events, cred)
1039 #define VOP_KQFILTER(vp, kn)				\
1040 	vop_kqfilter(*(vp)->v_ops, vp, kn)
1041 #define VOP_MMAP(vp, fflags, cred)			\
1042 	vop_mmap(*(vp)->v_ops, vp, fflags, cred)
1043 #define VOP_FSYNC_FP(vp, waitfor, flags, fp)		\
1044 	vop_fsync(*(vp)->v_ops, vp, waitfor, flags, fp) /* FUSE*/
1045 #define VOP_FSYNC(vp, waitfor, flags)			\
1046 	VOP_FSYNC_FP(vp, waitfor, flags, NULL)
1047 #define VOP_READDIR_FP(vp, uio, cred, eofflag, ncookies, cookies, fp)	\
1048 	vop_readdir(*(vp)->v_ops, vp, uio, cred, eofflag, ncookies, cookies, fp) /* FUSE */
1049 #define VOP_READDIR(vp, uio, cred, eofflag, ncookies, cookies)		\
1050 	VOP_READDIR_FP(vp, uio, cred, eofflag, ncookies, cookies, NULL)
1051 #define VOP_READLINK(vp, uio, cred)			\
1052 	vop_readlink(*(vp)->v_ops, vp, uio, cred)
1053 #define VOP_INACTIVE(vp)				\
1054 	vop_inactive(*(vp)->v_ops, vp)
1055 #define VOP_RECLAIM(vp)					\
1056 	vop_reclaim(*(vp)->v_ops, vp)
1057 #define VOP_BMAP(vp, loff, doffp, runp, runb, cmd)	\
1058 	vop_bmap(*(vp)->v_ops, vp, loff, doffp, runp, runb, cmd)
1059 #define VOP_PRINT(vp)					\
1060 	vop_print(*(vp)->v_ops, vp)
1061 #define VOP_PATHCONF(vp, name, retval)			\
1062 	vop_pathconf(*(vp)->v_ops, vp, name, retval)
1063 #define VOP_ADVLOCK(vp, id, op, fl, flags)		\
1064 	vop_advlock(*(vp)->v_ops, vp, id, op, fl, flags)
1065 #define VOP_BALLOC(vp, offset, size, cred, flags, bpp)	\
1066 	vop_balloc(*(vp)->v_ops, vp, offset, size, cred, flags, bpp)
1067 #define VOP_REALLOCBLKS(vp, buflist)			\
1068 	vop_reallocblks(*(vp)->v_ops, vp, buflist)
1069 #define VOP_GETPAGES(vp, m, count, reqpage, off, seqaccess)		\
1070 	vop_getpages(*(vp)->v_ops, vp, m, count, reqpage, off, seqaccess)
1071 #define VOP_PUTPAGES(vp, m, count, flags, rtvals, off)	\
1072 	vop_putpages(*(vp)->v_ops, vp, m, count, flags, rtvals, off)
1073 #define VOP_FREEBLKS(vp, offset, length)		\
1074 	vop_freeblks(*(vp)->v_ops, vp, offset, length)
1075 #define VOP_GETACL(vp, type, aclp, cred)		\
1076 	vop_getacl(*(vp)->v_ops, vp, type, aclp, cred)
1077 #define VOP_SETACL(vp, type, aclp, cred)		\
1078 	vop_setacl(*(vp)->v_ops, vp, type, aclp, cred)
1079 #define VOP_ACLCHECK(vp, type, aclp, cred)		\
1080 	vop_aclcheck(*(vp)->v_ops, vp, type, aclp, cred)
1081 #define VOP_GETEXTATTR(vp, attrnamespace, attrname, uio, cred) \
1082 	vop_getextattr(*(vp)->v_ops, vp, attrnamespace, attrname, uio, cred)
1083 #define VOP_SETEXTATTR(vp, attrnamespace, attrname, uio, cred)	\
1084 	vop_setextattr(*(vp)->v_ops, vp, attrnamespace, attrname, uio, cred)
1085 #define VOP_MARKATIME(vp, cred)			\
1086 	vop_markatime(*(vp)->v_ops, vp, cred)
1087 /* no VOP_VFSSET() */
1088 /* VOP_STRATEGY - does not exist, use vn_strategy() */
1089 
1090 /*
1091  * 'OLD' VOP calls.  These calls may only be made by the new API
1092  * compatibility functions in kern/vfs_default.c.  Attempting to
1093  * call these functions directly will confuse the namecache.  These
1094  * calls are deprecated and being removed from the system and from
1095  * the VFS's.
1096  */
1097 #define VOP_OLD_LOOKUP(dvp, vpp, cnp)			\
1098 	vop_old_lookup(*(dvp)->v_ops, dvp, vpp, cnp)
1099 #define VOP_OLD_CREATE(dvp, vpp, cnp, vap)		\
1100 	vop_old_create(*(dvp)->v_ops, dvp, vpp, cnp, vap)
1101 #define VOP_OLD_MKDIR(dvp, vpp, cnp, vap)		\
1102 	vop_old_mkdir(*(dvp)->v_ops, dvp, vpp, cnp, vap)
1103 #define VOP_OLD_MKNOD(dvp, vpp, cnp, vap)		\
1104 	vop_old_mknod(*(dvp)->v_ops, dvp, vpp, cnp, vap)
1105 #define VOP_OLD_LINK(tdvp, vp, cnp)			\
1106 	vop_old_link(*(tdvp)->v_ops, tdvp, vp, cnp)
1107 #define VOP_OLD_SYMLINK(dvp, vpp, cnp, vap, target)	\
1108 	vop_old_symlink(*(dvp)->v_ops, dvp, vpp, cnp, vap, target)
1109 #define VOP_OLD_WHITEOUT(dvp, cnp, flags)		\
1110 	vop_old_whiteout(*(dvp)->v_ops, dvp, cnp, flags)
1111 #define VOP_OLD_RENAME(fdvp, fvp, fcnp, tdvp, tvp, tcnp) \
1112 	vop_old_rename(*(fdvp)->v_ops, fdvp, fvp, fcnp, tdvp, tvp, tcnp)
1113 #define VOP_OLD_RMDIR(dvp, vp, cnp)			\
1114 	vop_old_rmdir(*(dvp)->v_ops, dvp, vp, cnp)
1115 #define VOP_OLD_REMOVE(dvp, vp, cnp)			\
1116 	vop_old_remove(*(dvp)->v_ops, dvp, vp, cnp)
1117 
1118 /*
1119  * 'NEW' VOP calls.  These calls use namespaces as an operational basis
1120  * rather then vnodes and replace the OLD calls.   Eventually all VFS's
1121  * will support these calls.  Those that do not fall through to compatibility
1122  * code in kern/vfs_default which does the magic required to call the old
1123  * routines.
1124  */
1125 #define VOP_NRESOLVE(nch, dvp, cred)			\
1126 	vop_nresolve((nch)->mount->mnt_vn_use_ops, nch, dvp, cred)
1127 #define VOP_NLOOKUPDOTDOT(dvp, vpp, cred, fakename)	\
1128 	vop_nlookupdotdot(*(dvp)->v_ops, dvp, vpp, cred, fakename)
1129 #define VOP_NCREATE(nch, dvp, vpp, cred, vap)		\
1130 	vop_ncreate((nch)->mount->mnt_vn_use_ops, nch, dvp, vpp, cred, vap)
1131 #define VOP_NMKDIR(nch, dvp, vpp, cred, vap)		\
1132 	vop_nmkdir((nch)->mount->mnt_vn_use_ops, nch, dvp, vpp, cred, vap)
1133 #define VOP_NMKNOD(nch, dvp, vpp, cred, vap)		\
1134 	vop_nmknod((nch)->mount->mnt_vn_use_ops, nch, dvp, vpp, cred, vap)
1135 #define VOP_NLINK(nch, dvp, vp, cred)			\
1136 	vop_nlink((nch)->mount->mnt_vn_use_ops, nch, dvp, vp, cred)
1137 #define VOP_NSYMLINK(nch, dvp, vpp, cred, vap, target)	\
1138 	vop_nsymlink((nch)->mount->mnt_vn_use_ops, nch, dvp, vpp, cred, vap, target)
1139 #define VOP_NWHITEOUT(nch, dvp, cred, flags)		\
1140 	vop_nwhiteout((nch)->mount->mnt_vn_use_ops, nch, dvp, cred, flags)
1141 #define VOP_NRENAME(fnch, tnch, fdvp, tdvp, cred)		\
1142 	vop_nrename((fnch)->mount->mnt_vn_use_ops, fnch, tnch, fdvp, tdvp, cred)
1143 #define VOP_NRMDIR(nch, dvp, cred)			\
1144 	vop_nrmdir((nch)->mount->mnt_vn_use_ops, nch, dvp, cred)
1145 #define VOP_NREMOVE(nch, dvp, cred)			\
1146 	vop_nremove((nch)->mount->mnt_vn_use_ops, nch, dvp, cred)
1147 #endif	/* _KERNEL */
1148 
1149 #endif	/* !_SYS_VFSOPS_H_ */
1150 
1151