3 * Copyright (c) 2004 The DragonFly Project. All rights reserved.
5 * This code is derived from software contributed to The DragonFly Project
6 * by Matthew Dillon <dillon@backplane.com>
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in
16 * the documentation and/or other materials provided with the
18 * 3. Neither the name of The DragonFly Project nor the names of its
19 * contributors may be used to endorse or promote products derived
20 * from this software without specific, prior written permission.
22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
23 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
24 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
25 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
26 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
27 * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
28 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
29 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
30 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
31 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
32 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 * $DragonFly: src/sys/kern/vfs_vopops.c,v 1.10 2004/11/12 00:09:24 dillon Exp $
38 #include <sys/param.h>
39 #include <sys/systm.h>
42 #include <sys/dirent.h>
43 #include <sys/domain.h>
44 #include <sys/eventhandler.h>
45 #include <sys/fcntl.h>
46 #include <sys/kernel.h>
47 #include <sys/kthread.h>
48 #include <sys/malloc.h>
50 #include <sys/mount.h>
52 #include <sys/namei.h>
53 #include <sys/reboot.h>
54 #include <sys/socket.h>
56 #include <sys/sysctl.h>
57 #include <sys/syslog.h>
58 #include <sys/vmmeter.h>
59 #include <sys/vnode.h>
60 #include <sys/vfsops.h>
62 #include <machine/limits.h>
65 #include <vm/vm_object.h>
66 #include <vm/vm_extern.h>
67 #include <vm/vm_kern.h>
69 #include <vm/vm_map.h>
70 #include <vm/vm_page.h>
71 #include <vm/vm_pager.h>
72 #include <vm/vnode_pager.h>
73 #include <vm/vm_zone.h>
76 #include <sys/thread2.h>
78 #define VOFFNAME(name) __CONCAT(__CONCAT(vop_,name),_vp_offsets)
79 #define VDESCNAME(name) __CONCAT(__CONCAT(vop_,name),_desc)
80 #define VARGSSTRUCT(name) struct __CONCAT(__CONCAT(vop_,name),_args)
82 #define VNODEOP_DESC_INIT(name, flags, vpoffs, vpp, cred, proc, comp) \
83 struct vnodeop_desc VDESCNAME(name) = { \
84 __offsetof(struct vop_ops, __CONCAT(vop_, name)), \
85 #name, flags, vpoffs, vpp, cred, proc, comp }
87 #define VNODEOP_DESC_INIT_SIMPLE(name) \
88 VNODEOP_DESC_INIT(name, 0, NULL, \
94 #define VNODEOP_DESC_INIT_VP(name) \
95 static int VOFFNAME(name)[] = { \
96 __offsetof(VARGSSTRUCT(name), a_vp), \
98 VNODEOP_DESC_INIT(name, 0, VOFFNAME(name), \
104 #define VNODEOP_DESC_INIT_VP_VPP(name) \
105 static int VOFFNAME(name)[] = { \
106 __offsetof(VARGSSTRUCT(name), a_vp), \
108 VNODEOP_DESC_INIT(name, 0, VOFFNAME(name), \
109 __offsetof(VARGSSTRUCT(name), a_vpp), \
114 #define VNODEOP_DESC_INIT_VP_CRED(name) \
115 static int VOFFNAME(name)[] = { \
116 __offsetof(VARGSSTRUCT(name), a_vp), \
118 VNODEOP_DESC_INIT(name, 0, VOFFNAME(name), \
120 __offsetof(VARGSSTRUCT(name), a_cred), \
124 #define VNODEOP_DESC_INIT_NCP(name) \
125 VNODEOP_DESC_INIT(name, 0, NULL, \
131 #define VNODEOP_DESC_INIT_NCP2_CRED(name) \
132 VNODEOP_DESC_INIT(name, 0, NULL, \
134 __offsetof(VARGSSTRUCT(name), a_cred), \
138 #define VNODEOP_DESC_INIT_NCP_CRED(name) \
139 VNODEOP_DESC_INIT(name, 0, NULL, \
141 __offsetof(VARGSSTRUCT(name), a_cred), \
145 #define VNODEOP_DESC_INIT_NCP_VP_CRED(name) \
146 static int VOFFNAME(name)[] = { \
147 __offsetof(VARGSSTRUCT(name), a_vp), \
149 VNODEOP_DESC_INIT(name, 0, VOFFNAME(name), \
151 __offsetof(VARGSSTRUCT(name), a_cred), \
155 #define VNODEOP_DESC_INIT_NCP_CRED_VPP(name) \
156 VNODEOP_DESC_INIT(name, 0, NULL, \
157 __offsetof(VARGSSTRUCT(name), a_vpp), \
158 __offsetof(VARGSSTRUCT(name), a_cred), \
162 #define VNODEOP_DESC_INIT_DVP_VPP_CNP(name) \
163 static int VOFFNAME(name)[] = { \
164 __offsetof(VARGSSTRUCT(name), a_dvp), \
166 VNODEOP_DESC_INIT(name, 0, VOFFNAME(name), \
167 __offsetof(VARGSSTRUCT(name), a_vpp), \
170 __offsetof(VARGSSTRUCT(name), a_cnp))
172 #define VNODEOP_DESC_INIT_DVP_VPP_CRED(name) \
173 static int VOFFNAME(name)[] = { \
174 __offsetof(VARGSSTRUCT(name), a_dvp), \
176 VNODEOP_DESC_INIT(name, 0, VOFFNAME(name), \
177 __offsetof(VARGSSTRUCT(name), a_vpp), \
178 __offsetof(VARGSSTRUCT(name), a_cred), \
182 #define VNODEOP_DESC_INIT_DVP_CNP(name) \
183 static int VOFFNAME(name)[] = { \
184 __offsetof(VARGSSTRUCT(name), a_dvp), \
186 VNODEOP_DESC_INIT(name, 0, VOFFNAME(name), \
190 __offsetof(VARGSSTRUCT(name), a_cnp))
192 #define VNODEOP_DESC_INIT_DVP_VP_CNP(name) \
193 static int VOFFNAME(name)[] = { \
194 __offsetof(VARGSSTRUCT(name), a_dvp), \
195 __offsetof(VARGSSTRUCT(name), a_vp), \
197 VNODEOP_DESC_INIT(name, 0, VOFFNAME(name), \
201 __offsetof(VARGSSTRUCT(name), a_cnp))
203 #define VNODEOP_DESC_INIT_TDVP_VP_CNP(name) \
204 static int VOFFNAME(name)[] = { \
205 __offsetof(VARGSSTRUCT(name), a_tdvp), \
206 __offsetof(VARGSSTRUCT(name), a_vp), \
208 VNODEOP_DESC_INIT(name, 0, VOFFNAME(name), \
212 __offsetof(VARGSSTRUCT(name), a_cnp))
214 VNODEOP_DESC_INIT_SIMPLE(default);
215 VNODEOP_DESC_INIT_VP(islocked);
216 VNODEOP_DESC_INIT_DVP_VPP_CNP(lookup);
217 VNODEOP_DESC_INIT_DVP_VPP_CNP(create);
218 VNODEOP_DESC_INIT_DVP_CNP(whiteout);
219 VNODEOP_DESC_INIT_DVP_VPP_CNP(mknod);
220 VNODEOP_DESC_INIT_VP_CRED(open);
221 VNODEOP_DESC_INIT_VP(close);
222 VNODEOP_DESC_INIT_VP_CRED(access);
223 VNODEOP_DESC_INIT_VP(getattr);
224 VNODEOP_DESC_INIT_VP_CRED(setattr);
225 VNODEOP_DESC_INIT_VP_CRED(read);
226 VNODEOP_DESC_INIT_VP_CRED(write);
227 VNODEOP_DESC_INIT_VP_CRED(lease);
228 VNODEOP_DESC_INIT_VP_CRED(ioctl);
229 VNODEOP_DESC_INIT_VP_CRED(poll);
230 VNODEOP_DESC_INIT_VP(kqfilter);
231 VNODEOP_DESC_INIT_VP(revoke);
232 VNODEOP_DESC_INIT_VP_CRED(mmap);
233 VNODEOP_DESC_INIT_VP(fsync);
234 VNODEOP_DESC_INIT_DVP_VP_CNP(remove);
235 VNODEOP_DESC_INIT_TDVP_VP_CNP(link);
237 static int VOFFNAME(rename)[] = {
238 __offsetof(VARGSSTRUCT(rename), a_fdvp),
239 __offsetof(VARGSSTRUCT(rename), a_fvp),
240 __offsetof(VARGSSTRUCT(rename), a_tdvp),
241 __offsetof(VARGSSTRUCT(rename), a_tvp),
244 VNODEOP_DESC_INIT(rename,
245 VDESC_VP0_WILLRELE|VDESC_VP1_WILLRELE|
246 VDESC_VP2_WILLRELE|VDESC_VP3_WILLRELE|
247 VDESC_VP2_WILLUNLOCK|VDESC_VP3_WILLUNLOCK, /* tdvp and tvp */
252 __offsetof(VARGSSTRUCT(rename), a_fcnp));
254 VNODEOP_DESC_INIT_DVP_VPP_CNP(mkdir);
255 VNODEOP_DESC_INIT_DVP_VP_CNP(rmdir);
256 VNODEOP_DESC_INIT_DVP_VPP_CNP(symlink);
257 VNODEOP_DESC_INIT_VP_CRED(readdir);
258 VNODEOP_DESC_INIT_VP_CRED(readlink);
259 VNODEOP_DESC_INIT_VP(inactive);
260 VNODEOP_DESC_INIT_VP(reclaim);
261 VNODEOP_DESC_INIT_VP(lock);
262 VNODEOP_DESC_INIT_VP(unlock);
263 VNODEOP_DESC_INIT_VP_VPP(bmap);
264 VNODEOP_DESC_INIT_VP(strategy);
265 VNODEOP_DESC_INIT_VP(print);
266 VNODEOP_DESC_INIT_VP(pathconf);
267 VNODEOP_DESC_INIT_VP(advlock);
268 VNODEOP_DESC_INIT_VP_CRED(balloc);
269 VNODEOP_DESC_INIT_VP(reallocblks);
270 VNODEOP_DESC_INIT_VP(getpages);
271 VNODEOP_DESC_INIT_VP(putpages);
272 VNODEOP_DESC_INIT_VP(freeblks);
273 VNODEOP_DESC_INIT_VP(bwrite);
274 VNODEOP_DESC_INIT_VP_CRED(getacl);
275 VNODEOP_DESC_INIT_VP_CRED(setacl);
276 VNODEOP_DESC_INIT_VP_CRED(aclcheck);
277 VNODEOP_DESC_INIT_VP_CRED(getextattr);
278 VNODEOP_DESC_INIT_VP_CRED(setextattr);
279 VNODEOP_DESC_INIT_VP(createvobject);
280 VNODEOP_DESC_INIT_VP(destroyvobject);
281 VNODEOP_DESC_INIT_VP(getvobject);
282 VNODEOP_DESC_INIT_SIMPLE(vfsset);
284 VNODEOP_DESC_INIT_NCP_CRED(nresolve);
285 VNODEOP_DESC_INIT_DVP_VPP_CRED(nlookupdotdot);
286 VNODEOP_DESC_INIT_NCP_CRED_VPP(ncreate);
287 VNODEOP_DESC_INIT_NCP_CRED_VPP(nmkdir);
288 VNODEOP_DESC_INIT_NCP_CRED_VPP(nmknod);
289 VNODEOP_DESC_INIT_NCP_VP_CRED(nlink);
290 VNODEOP_DESC_INIT_NCP_CRED_VPP(nsymlink);
291 VNODEOP_DESC_INIT_NCP_CRED(nwhiteout);
292 VNODEOP_DESC_INIT_NCP_CRED(nremove);
293 VNODEOP_DESC_INIT_NCP_CRED(nrmdir);
294 VNODEOP_DESC_INIT_NCP2_CRED(nrename);
297 * The DO_OPS macro basicallys calls ops->blah(&ap) but is also responsible
298 * for checking vv_flags and executing additional hook functions.
300 * NOTE: vop_vnoperate_ap() rolls its own DO_OPS equivalent.
302 #define DO_OPS(ops, error, ap, vop_field) \
303 if (ops->vv_flags & VVF_HOOK_MASK) { \
304 if (ops->vv_flags & VVF_JOURNAL_HOOK) \
305 error = ops->vv_jops->vop_field(ap); \
309 error = ops->vop_field(ap); \
311 error = ops->vop_field(ap); \
315 /************************************************************************
316 * PRIMARY HIGH LEVEL VNODE OPERATIONS CALLS *
317 ************************************************************************
319 * These procedures are called directly from the kernel and/or fileops
320 * code to perform file/device operations on the system.
324 vop_islocked(struct vop_ops *ops, struct vnode *vp, struct thread *td)
326 struct vop_islocked_args ap;
329 ap.a_head.a_desc = &vop_islocked_desc;
330 ap.a_head.a_ops = ops;
334 DO_OPS(ops, error, &ap, vop_islocked);
339 vop_lookup(struct vop_ops *ops, struct vnode *dvp,
340 struct vnode **vpp, struct componentname *cnp)
342 struct vop_lookup_args ap;
345 ap.a_head.a_desc = &vop_lookup_desc;
346 ap.a_head.a_ops = ops;
351 DO_OPS(ops, error, &ap, vop_lookup);
356 vop_create(struct vop_ops *ops, struct vnode *dvp,
357 struct vnode **vpp, struct componentname *cnp, struct vattr *vap)
359 struct vop_create_args ap;
362 ap.a_head.a_desc = &vop_create_desc;
363 ap.a_head.a_ops = ops;
369 DO_OPS(ops, error, &ap, vop_create);
374 vop_whiteout(struct vop_ops *ops, struct vnode *dvp,
375 struct componentname *cnp, int flags)
377 struct vop_whiteout_args ap;
380 ap.a_head.a_desc = &vop_whiteout_desc;
381 ap.a_head.a_ops = ops;
386 DO_OPS(ops, error, &ap, vop_whiteout);
391 vop_mknod(struct vop_ops *ops, struct vnode *dvp,
392 struct vnode **vpp, struct componentname *cnp, struct vattr *vap)
394 struct vop_mknod_args ap;
397 ap.a_head.a_desc = &vop_mknod_desc;
398 ap.a_head.a_ops = ops;
404 DO_OPS(ops, error, &ap, vop_mknod);
409 vop_open(struct vop_ops *ops, struct vnode *vp, int mode, struct ucred *cred,
410 struct file *fp, struct thread *td)
412 struct vop_open_args ap;
415 ap.a_head.a_desc = &vop_open_desc;
416 ap.a_head.a_ops = ops;
423 DO_OPS(ops, error, &ap, vop_open);
428 vop_close(struct vop_ops *ops, struct vnode *vp, int fflag, struct thread *td)
430 struct vop_close_args ap;
433 ap.a_head.a_desc = &vop_close_desc;
434 ap.a_head.a_ops = ops;
439 DO_OPS(ops, error, &ap, vop_close);
444 vop_access(struct vop_ops *ops, struct vnode *vp, int mode, struct ucred *cred,
447 struct vop_access_args ap;
450 ap.a_head.a_desc = &vop_access_desc;
451 ap.a_head.a_ops = ops;
457 DO_OPS(ops, error, &ap, vop_access);
462 vop_getattr(struct vop_ops *ops, struct vnode *vp, struct vattr *vap,
465 struct vop_getattr_args ap;
468 ap.a_head.a_desc = &vop_getattr_desc;
469 ap.a_head.a_ops = ops;
474 DO_OPS(ops, error, &ap, vop_getattr);
479 vop_setattr(struct vop_ops *ops, struct vnode *vp, struct vattr *vap,
480 struct ucred *cred, struct thread *td)
482 struct vop_setattr_args ap;
485 ap.a_head.a_desc = &vop_setattr_desc;
486 ap.a_head.a_ops = ops;
492 DO_OPS(ops, error, &ap, vop_setattr);
497 vop_read(struct vop_ops *ops, struct vnode *vp, struct uio *uio, int ioflag,
500 struct vop_read_args ap;
503 ap.a_head.a_desc = &vop_read_desc;
504 ap.a_head.a_ops = ops;
507 ap.a_ioflag = ioflag;
510 DO_OPS(ops, error, &ap, vop_read);
515 vop_write(struct vop_ops *ops, struct vnode *vp, struct uio *uio, int ioflag,
518 struct vop_write_args ap;
521 ap.a_head.a_desc = &vop_write_desc;
522 ap.a_head.a_ops = ops;
525 ap.a_ioflag = ioflag;
528 DO_OPS(ops, error, &ap, vop_write);
533 vop_lease(struct vop_ops *ops, struct vnode *vp, struct thread *td,
534 struct ucred *cred, int flag)
536 struct vop_lease_args ap;
539 ap.a_head.a_desc = &vop_lease_desc;
540 ap.a_head.a_ops = ops;
546 DO_OPS(ops, error, &ap, vop_lease);
551 vop_ioctl(struct vop_ops *ops, struct vnode *vp, u_long command, caddr_t data,
552 int fflag, struct ucred *cred,
555 struct vop_ioctl_args ap;
558 ap.a_head.a_desc = &vop_ioctl_desc;
559 ap.a_head.a_ops = ops;
561 ap.a_command = command;
567 DO_OPS(ops, error, &ap, vop_ioctl);
572 vop_poll(struct vop_ops *ops, struct vnode *vp, int events, struct ucred *cred,
575 struct vop_poll_args ap;
578 ap.a_head.a_desc = &vop_poll_desc;
579 ap.a_head.a_ops = ops;
581 ap.a_events = events;
585 DO_OPS(ops, error, &ap, vop_poll);
590 vop_kqfilter(struct vop_ops *ops, struct vnode *vp, struct knote *kn)
592 struct vop_kqfilter_args ap;
595 ap.a_head.a_desc = &vop_kqfilter_desc;
596 ap.a_head.a_ops = ops;
600 DO_OPS(ops, error, &ap, vop_kqfilter);
605 vop_revoke(struct vop_ops *ops, struct vnode *vp, int flags)
607 struct vop_revoke_args ap;
610 ap.a_head.a_desc = &vop_revoke_desc;
611 ap.a_head.a_ops = ops;
615 DO_OPS(ops, error, &ap, vop_revoke);
620 vop_mmap(struct vop_ops *ops, struct vnode *vp, int fflags, struct ucred *cred,
623 struct vop_mmap_args ap;
626 ap.a_head.a_desc = &vop_mmap_desc;
627 ap.a_head.a_ops = ops;
629 ap.a_fflags = fflags;
633 DO_OPS(ops, error, &ap, vop_mmap);
638 vop_fsync(struct vop_ops *ops, struct vnode *vp, int waitfor, struct thread *td)
640 struct vop_fsync_args ap;
643 ap.a_head.a_desc = &vop_fsync_desc;
644 ap.a_head.a_ops = ops;
646 ap.a_waitfor = waitfor;
649 DO_OPS(ops, error, &ap, vop_fsync);
654 vop_remove(struct vop_ops *ops, struct vnode *dvp,
655 struct vnode *vp, struct componentname *cnp)
657 struct vop_remove_args ap;
660 ap.a_head.a_desc = &vop_remove_desc;
661 ap.a_head.a_ops = ops;
666 DO_OPS(ops, error, &ap, vop_remove);
671 vop_link(struct vop_ops *ops, struct vnode *tdvp,
672 struct vnode *vp, struct componentname *cnp)
674 struct vop_link_args ap;
677 ap.a_head.a_desc = &vop_link_desc;
678 ap.a_head.a_ops = ops;
683 DO_OPS(ops, error, &ap, vop_link);
688 vop_rename(struct vop_ops *ops,
689 struct vnode *fdvp, struct vnode *fvp, struct componentname *fcnp,
690 struct vnode *tdvp, struct vnode *tvp, struct componentname *tcnp)
692 struct vop_rename_args ap;
695 ap.a_head.a_desc = &vop_rename_desc;
696 ap.a_head.a_ops = ops;
704 DO_OPS(ops, error, &ap, vop_rename);
709 vop_mkdir(struct vop_ops *ops, struct vnode *dvp,
710 struct vnode **vpp, struct componentname *cnp, struct vattr *vap)
712 struct vop_mkdir_args ap;
715 ap.a_head.a_desc = &vop_mkdir_desc;
716 ap.a_head.a_ops = ops;
722 DO_OPS(ops, error, &ap, vop_mkdir);
727 vop_rmdir(struct vop_ops *ops, struct vnode *dvp,
728 struct vnode *vp, struct componentname *cnp)
730 struct vop_rmdir_args ap;
733 ap.a_head.a_desc = &vop_rmdir_desc;
734 ap.a_head.a_ops = ops;
739 DO_OPS(ops, error, &ap, vop_rmdir);
744 vop_symlink(struct vop_ops *ops, struct vnode *dvp,
745 struct vnode **vpp, struct componentname *cnp,
746 struct vattr *vap, char *target)
748 struct vop_symlink_args ap;
751 ap.a_head.a_desc = &vop_symlink_desc;
752 ap.a_head.a_ops = ops;
757 ap.a_target = target;
759 DO_OPS(ops, error, &ap, vop_symlink);
764 vop_readdir(struct vop_ops *ops, struct vnode *vp, struct uio *uio,
765 struct ucred *cred, int *eofflag, int *ncookies, u_long **cookies)
767 struct vop_readdir_args ap;
770 ap.a_head.a_desc = &vop_readdir_desc;
771 ap.a_head.a_ops = ops;
775 ap.a_eofflag = eofflag;
776 ap.a_ncookies = ncookies;
777 ap.a_cookies = cookies;
779 DO_OPS(ops, error, &ap, vop_readdir);
784 vop_readlink(struct vop_ops *ops, struct vnode *vp, struct uio *uio,
787 struct vop_readlink_args ap;
790 ap.a_head.a_desc = &vop_readlink_desc;
791 ap.a_head.a_ops = ops;
796 DO_OPS(ops, error, &ap, vop_readlink);
801 vop_inactive(struct vop_ops *ops, struct vnode *vp, struct thread *td)
803 struct vop_inactive_args ap;
806 ap.a_head.a_desc = &vop_inactive_desc;
807 ap.a_head.a_ops = ops;
811 DO_OPS(ops, error, &ap, vop_inactive);
816 vop_reclaim(struct vop_ops *ops, struct vnode *vp, struct thread *td)
818 struct vop_reclaim_args ap;
821 ap.a_head.a_desc = &vop_reclaim_desc;
822 ap.a_head.a_ops = ops;
826 DO_OPS(ops, error, &ap, vop_reclaim);
831 vop_lock(struct vop_ops *ops, struct vnode *vp, int flags, struct thread *td)
833 struct vop_lock_args ap;
836 ap.a_head.a_desc = &vop_lock_desc;
837 ap.a_head.a_ops = ops;
842 DO_OPS(ops, error, &ap, vop_lock);
847 vop_unlock(struct vop_ops *ops, struct vnode *vp, int flags, struct thread *td)
849 struct vop_unlock_args ap;
852 ap.a_head.a_desc = &vop_unlock_desc;
853 ap.a_head.a_ops = ops;
858 DO_OPS(ops, error, &ap, vop_unlock);
863 vop_bmap(struct vop_ops *ops, struct vnode *vp, daddr_t bn, struct vnode **vpp,
864 daddr_t *bnp, int *runp, int *runb)
866 struct vop_bmap_args ap;
869 ap.a_head.a_desc = &vop_bmap_desc;
870 ap.a_head.a_ops = ops;
878 DO_OPS(ops, error, &ap, vop_bmap);
883 vop_strategy(struct vop_ops *ops, struct vnode *vp, struct buf *bp)
885 struct vop_strategy_args ap;
888 ap.a_head.a_desc = &vop_strategy_desc;
889 ap.a_head.a_ops = ops;
893 DO_OPS(ops, error, &ap, vop_strategy);
898 vop_print(struct vop_ops *ops, struct vnode *vp)
900 struct vop_print_args ap;
903 ap.a_head.a_desc = &vop_print_desc;
904 ap.a_head.a_ops = ops;
907 DO_OPS(ops, error, &ap, vop_print);
912 vop_pathconf(struct vop_ops *ops, struct vnode *vp, int name,
915 struct vop_pathconf_args ap;
918 ap.a_head.a_desc = &vop_pathconf_desc;
919 ap.a_head.a_ops = ops;
922 ap.a_retval = retval;
924 DO_OPS(ops, error, &ap, vop_pathconf);
929 vop_advlock(struct vop_ops *ops, struct vnode *vp, caddr_t id, int op,
930 struct flock *fl, int flags)
932 struct vop_advlock_args ap;
935 ap.a_head.a_desc = &vop_advlock_desc;
936 ap.a_head.a_ops = ops;
943 DO_OPS(ops, error, &ap, vop_advlock);
948 vop_balloc(struct vop_ops *ops, struct vnode *vp, off_t startoffset,
949 int size, struct ucred *cred, int flags,
952 struct vop_balloc_args ap;
955 ap.a_head.a_desc = &vop_balloc_desc;
956 ap.a_head.a_ops = ops;
958 ap.a_startoffset = startoffset;
964 DO_OPS(ops, error, &ap, vop_balloc);
969 vop_reallocblks(struct vop_ops *ops, struct vnode *vp,
970 struct cluster_save *buflist)
972 struct vop_reallocblks_args ap;
975 ap.a_head.a_desc = &vop_reallocblks_desc;
976 ap.a_head.a_ops = ops;
978 ap.a_buflist = buflist;
980 DO_OPS(ops, error, &ap, vop_reallocblks);
985 vop_getpages(struct vop_ops *ops, struct vnode *vp, vm_page_t *m, int count,
986 int reqpage, vm_ooffset_t offset)
988 struct vop_getpages_args ap;
991 ap.a_head.a_desc = &vop_getpages_desc;
992 ap.a_head.a_ops = ops;
996 ap.a_reqpage = reqpage;
997 ap.a_offset = offset;
999 DO_OPS(ops, error, &ap, vop_getpages);
1004 vop_putpages(struct vop_ops *ops, struct vnode *vp, vm_page_t *m, int count,
1005 int sync, int *rtvals, vm_ooffset_t offset)
1007 struct vop_putpages_args ap;
1010 ap.a_head.a_desc = &vop_putpages_desc;
1011 ap.a_head.a_ops = ops;
1016 ap.a_rtvals = rtvals;
1017 ap.a_offset = offset;
1019 DO_OPS(ops, error, &ap, vop_putpages);
1024 vop_freeblks(struct vop_ops *ops, struct vnode *vp,
1025 daddr_t addr, daddr_t length)
1027 struct vop_freeblks_args ap;
1030 ap.a_head.a_desc = &vop_freeblks_desc;
1031 ap.a_head.a_ops = ops;
1034 ap.a_length = length;
1036 DO_OPS(ops, error, &ap, vop_freeblks);
1041 vop_bwrite(struct vop_ops *ops, struct vnode *vp, struct buf *bp)
1043 struct vop_bwrite_args ap;
1046 ap.a_head.a_desc = &vop_bwrite_desc;
1047 ap.a_head.a_ops = ops;
1051 DO_OPS(ops, error, &ap, vop_bwrite);
1056 vop_getacl(struct vop_ops *ops, struct vnode *vp, acl_type_t type,
1057 struct acl *aclp, struct ucred *cred, struct thread *td)
1059 struct vop_getacl_args ap;
1062 ap.a_head.a_desc = &vop_getacl_desc;
1063 ap.a_head.a_ops = ops;
1070 DO_OPS(ops, error, &ap, vop_getacl);
1075 vop_setacl(struct vop_ops *ops, struct vnode *vp, acl_type_t type,
1076 struct acl *aclp, struct ucred *cred, struct thread *td)
1078 struct vop_setacl_args ap;
1081 ap.a_head.a_desc = &vop_setacl_desc;
1082 ap.a_head.a_ops = ops;
1089 DO_OPS(ops, error, &ap, vop_setacl);
1094 vop_aclcheck(struct vop_ops *ops, struct vnode *vp, acl_type_t type,
1095 struct acl *aclp, struct ucred *cred, struct thread *td)
1097 struct vop_aclcheck_args ap;
1100 ap.a_head.a_desc = &vop_aclcheck_desc;
1101 ap.a_head.a_ops = ops;
1108 DO_OPS(ops, error, &ap, vop_aclcheck);
1113 vop_getextattr(struct vop_ops *ops, struct vnode *vp, char *name,
1114 struct uio *uio, struct ucred *cred, struct thread *td)
1116 struct vop_getextattr_args ap;
1119 ap.a_head.a_desc = &vop_getextattr_desc;
1120 ap.a_head.a_ops = ops;
1127 DO_OPS(ops, error, &ap, vop_getextattr);
1132 vop_setextattr(struct vop_ops *ops, struct vnode *vp, char *name,
1133 struct uio *uio, struct ucred *cred, struct thread *td)
1135 struct vop_setextattr_args ap;
1138 ap.a_head.a_desc = &vop_setextattr_desc;
1139 ap.a_head.a_ops = ops;
1146 DO_OPS(ops, error, &ap, vop_setextattr);
1151 vop_createvobject(struct vop_ops *ops, struct vnode *vp, struct thread *td)
1153 struct vop_createvobject_args ap;
1156 ap.a_head.a_desc = &vop_createvobject_desc;
1157 ap.a_head.a_ops = ops;
1161 DO_OPS(ops, error, &ap, vop_createvobject);
1166 vop_destroyvobject(struct vop_ops *ops, struct vnode *vp)
1168 struct vop_destroyvobject_args ap;
1171 ap.a_head.a_desc = &vop_destroyvobject_desc;
1172 ap.a_head.a_ops = ops;
1175 DO_OPS(ops, error, &ap, vop_destroyvobject);
1180 vop_getvobject(struct vop_ops *ops, struct vnode *vp, struct vm_object **objpp)
1182 struct vop_getvobject_args ap;
1185 ap.a_head.a_desc = &vop_getvobject_desc;
1186 ap.a_head.a_ops = ops;
1190 DO_OPS(ops, error, &ap, vop_getvobject);
1195 vop_vfsset(struct vop_ops *ops, int op, const char *opstr)
1197 struct vop_vfsset_args ap;
1200 ap.a_head.a_desc = &vop_vfsset_desc;
1201 ap.a_head.a_ops = ops;
1205 DO_OPS(ops, error, &ap, vop_vfsset);
1212 * nresolve takes a locked ncp and a cred and resolves the ncp into a
1213 * positive or negative hit.
1215 * The namecache is automatically adjusted by this function. The ncp
1216 * is left locked on return.
1219 vop_nresolve(struct vop_ops *ops, struct namecache *ncp, struct ucred *cred)
1221 struct vop_nresolve_args ap;
1224 ap.a_head.a_desc = &vop_nresolve_desc;
1225 ap.a_head.a_ops = ops;
1229 DO_OPS(ops, error, &ap, vop_nresolve);
1234 * nlookupdotdot takes an unlocked directory, dvp, and looks up "..", returning
1235 * a locked parent directory in *vpp. If an error occurs *vpp will be NULL.
1238 vop_nlookupdotdot(struct vop_ops *ops, struct vnode *dvp,
1239 struct vnode **vpp, struct ucred *cred)
1241 struct vop_nlookupdotdot_args ap;
1244 ap.a_head.a_desc = &vop_nlookupdotdot_desc;
1245 ap.a_head.a_ops = ops;
1250 DO_OPS(ops, error, &ap, vop_nlookupdotdot);
1255 * ncreate takes a locked, resolved ncp that typically represents a negative
1256 * cache hit and creates the file or node specified by the ncp, cred, and
1257 * vattr. If no error occurs a locked vnode is returned in *vpp.
1259 * The namecache is automatically adjusted by this function. The ncp
1260 * is left locked on return.
1263 vop_ncreate(struct vop_ops *ops, struct namecache *ncp,
1264 struct vnode **vpp, struct ucred *cred, struct vattr *vap)
1266 struct vop_ncreate_args ap;
1269 ap.a_head.a_desc = &vop_ncreate_desc;
1270 ap.a_head.a_ops = ops;
1276 DO_OPS(ops, error, &ap, vop_ncreate);
1281 * nmkdir takes a locked, resolved ncp that typically represents a negative
1282 * cache hit and creates the directory specified by the ncp, cred, and
1283 * vattr. If no error occurs a locked vnode is returned in *vpp.
1285 * The namecache is automatically adjusted by this function. The ncp
1286 * is left locked on return.
1289 vop_nmkdir(struct vop_ops *ops, struct namecache *ncp,
1290 struct vnode **vpp, struct ucred *cred, struct vattr *vap)
1292 struct vop_nmkdir_args ap;
1295 ap.a_head.a_desc = &vop_nmkdir_desc;
1296 ap.a_head.a_ops = ops;
1302 DO_OPS(ops, error, &ap, vop_nmkdir);
1307 * nmknod takes a locked, resolved ncp that typically represents a negative
1308 * cache hit and creates the node specified by the ncp, cred, and
1309 * vattr. If no error occurs a locked vnode is returned in *vpp.
1311 * The namecache is automatically adjusted by this function. The ncp
1312 * is left locked on return.
1315 vop_nmknod(struct vop_ops *ops, struct namecache *ncp,
1316 struct vnode **vpp, struct ucred *cred, struct vattr *vap)
1318 struct vop_nmknod_args ap;
1321 ap.a_head.a_desc = &vop_nmknod_desc;
1322 ap.a_head.a_ops = ops;
1328 DO_OPS(ops, error, &ap, vop_nmknod);
1333 * nlink takes a locked, resolved ncp that typically represents a negative
1334 * cache hit and creates the node specified by the ncp, cred, and
1335 * existing vnode. The passed vp must be locked and will remain locked
1336 * on return, as does the ncp, whether an error occurs or not.
1338 * The namecache is automatically adjusted by this function. The ncp
1339 * is left locked on return.
1342 vop_nlink(struct vop_ops *ops, struct namecache *ncp,
1343 struct vnode *vp, struct ucred *cred)
1345 struct vop_nlink_args ap;
1348 ap.a_head.a_desc = &vop_nlink_desc;
1349 ap.a_head.a_ops = ops;
1354 DO_OPS(ops, error, &ap, vop_nlink);
1359 * nsymlink takes a locked, resolved ncp that typically represents a negative
1360 * cache hit and creates a symbolic link based on cred, vap, and target (the
1361 * contents of the link). If no error occurs a locked vnode is returned in
1364 * The namecache is automatically adjusted by this function. The ncp
1365 * is left locked on return.
1368 vop_nsymlink(struct vop_ops *ops, struct namecache *ncp,
1369 struct vnode **vpp, struct ucred *cred,
1370 struct vattr *vap, char *target)
1372 struct vop_nsymlink_args ap;
1375 ap.a_head.a_desc = &vop_nsymlink_desc;
1376 ap.a_head.a_ops = ops;
1381 ap.a_target = target;
1383 DO_OPS(ops, error, &ap, vop_nsymlink);
1388 * nwhiteout takes a locked, resolved ncp that can represent a positive or
1389 * negative hit and executes the whiteout function specified in flags.
1391 * The namecache is automatically adjusted by this function. The ncp
1392 * is left locked on return.
1395 vop_nwhiteout(struct vop_ops *ops, struct namecache *ncp,
1396 struct ucred *cred, int flags)
1398 struct vop_nwhiteout_args ap;
1401 ap.a_head.a_desc = &vop_nwhiteout_desc;
1402 ap.a_head.a_ops = ops;
1407 DO_OPS(ops, error, &ap, vop_nwhiteout);
1412 * nremove takes a locked, resolved ncp that generally represents a
1413 * positive hit and removes the file.
1415 * The namecache is automatically adjusted by this function. The ncp
1416 * is left locked on return.
1419 vop_nremove(struct vop_ops *ops, struct namecache *ncp, struct ucred *cred)
1421 struct vop_nremove_args ap;
1424 ap.a_head.a_desc = &vop_nremove_desc;
1425 ap.a_head.a_ops = ops;
1429 DO_OPS(ops, error, &ap, vop_nremove);
1434 * nrmdir takes a locked, resolved ncp that generally represents a
1435 * directory and removes the directory.
1437 * The namecache is automatically adjusted by this function. The ncp
1438 * is left locked on return.
1441 vop_nrmdir(struct vop_ops *ops, struct namecache *ncp, struct ucred *cred)
1443 struct vop_nrmdir_args ap;
1446 ap.a_head.a_desc = &vop_nrmdir_desc;
1447 ap.a_head.a_ops = ops;
1451 DO_OPS(ops, error, &ap, vop_nrmdir);
1456 * nrename takes TWO locked, resolved ncp's and the cred of the caller
1457 * and renames the source ncp to the target ncp. The target ncp may
1458 * represent a positive or negative hit.
1460 * The namecache is automatically adjusted by this function. The ncp
1461 * is left locked on return. The source ncp is typically changed to
1462 * a negative cache hit and the target ncp typically takes on the
1463 * source ncp's underlying file.
1466 vop_nrename(struct vop_ops *ops, struct namecache *fncp,
1467 struct namecache *tncp, struct ucred *cred)
1469 struct vop_nrename_args ap;
1472 ap.a_head.a_desc = &vop_nrename_desc;
1473 ap.a_head.a_ops = ops;
1478 DO_OPS(ops, error, &ap, vop_nrename);
1482 /************************************************************************
1483 * PRIMARY VNODE OPERATIONS FORWARDING CALLS *
1484 ************************************************************************
1486 * These procedures are called from VFSs such as unionfs and nullfs
1487 * when they wish to forward an operation on one VFS to another. The
1488 * argument structure/message is modified and then directly passed to the
1489 * appropriate routine. This routines may also be called by initiators
1490 * who have an argument structure in hand rather then discreet arguments.
1493 vop_vnoperate_ap(struct vop_generic_args *ap)
1495 struct vop_ops *ops;
1499 if (ops->vv_flags & VVF_HOOK_MASK) {
1500 if (ops->vv_flags & VVF_JOURNAL_HOOK)
1501 error = VOCALL(ops->vv_jops, ap);
1505 error = VOCALL(ops, ap);
1507 error = VOCALL(ops, ap);
1513 vop_islocked_ap(struct vop_islocked_args *ap)
1517 DO_OPS(ap->a_head.a_ops, error, ap, vop_islocked);
1522 vop_lookup_ap(struct vop_lookup_args *ap)
1526 DO_OPS(ap->a_head.a_ops, error, ap, vop_lookup);
1531 vop_create_ap(struct vop_create_args *ap)
1535 DO_OPS(ap->a_head.a_ops, error, ap, vop_create);
1540 vop_whiteout_ap(struct vop_whiteout_args *ap)
1544 DO_OPS(ap->a_head.a_ops, error, ap, vop_whiteout);
1549 vop_mknod_ap(struct vop_mknod_args *ap)
1553 DO_OPS(ap->a_head.a_ops, error, ap, vop_mknod);
1558 vop_open_ap(struct vop_open_args *ap)
1562 DO_OPS(ap->a_head.a_ops, error, ap, vop_open);
1567 vop_close_ap(struct vop_close_args *ap)
1571 DO_OPS(ap->a_head.a_ops, error, ap, vop_close);
1576 vop_access_ap(struct vop_access_args *ap)
1580 DO_OPS(ap->a_head.a_ops, error, ap, vop_access);
1585 vop_getattr_ap(struct vop_getattr_args *ap)
1589 DO_OPS(ap->a_head.a_ops, error, ap, vop_getattr);
1594 vop_setattr_ap(struct vop_setattr_args *ap)
1598 DO_OPS(ap->a_head.a_ops, error, ap, vop_setattr);
1603 vop_read_ap(struct vop_read_args *ap)
1607 DO_OPS(ap->a_head.a_ops, error, ap, vop_read);
1612 vop_write_ap(struct vop_write_args *ap)
1616 DO_OPS(ap->a_head.a_ops, error, ap, vop_write);
1621 vop_lease_ap(struct vop_lease_args *ap)
1625 DO_OPS(ap->a_head.a_ops, error, ap, vop_lease);
1630 vop_ioctl_ap(struct vop_ioctl_args *ap)
1634 DO_OPS(ap->a_head.a_ops, error, ap, vop_ioctl);
1639 vop_poll_ap(struct vop_poll_args *ap)
1643 DO_OPS(ap->a_head.a_ops, error, ap, vop_poll);
1648 vop_kqfilter_ap(struct vop_kqfilter_args *ap)
1652 DO_OPS(ap->a_head.a_ops, error, ap, vop_kqfilter);
1657 vop_revoke_ap(struct vop_revoke_args *ap)
1661 DO_OPS(ap->a_head.a_ops, error, ap, vop_revoke);
1666 vop_mmap_ap(struct vop_mmap_args *ap)
1670 DO_OPS(ap->a_head.a_ops, error, ap, vop_mmap);
1675 vop_fsync_ap(struct vop_fsync_args *ap)
1679 DO_OPS(ap->a_head.a_ops, error, ap, vop_fsync);
1684 vop_remove_ap(struct vop_remove_args *ap)
1688 DO_OPS(ap->a_head.a_ops, error, ap, vop_remove);
1693 vop_link_ap(struct vop_link_args *ap)
1697 DO_OPS(ap->a_head.a_ops, error, ap, vop_link);
1702 vop_rename_ap(struct vop_rename_args *ap)
1706 DO_OPS(ap->a_head.a_ops, error, ap, vop_rename);
1711 vop_mkdir_ap(struct vop_mkdir_args *ap)
1715 DO_OPS(ap->a_head.a_ops, error, ap, vop_mkdir);
1720 vop_rmdir_ap(struct vop_rmdir_args *ap)
1724 DO_OPS(ap->a_head.a_ops, error, ap, vop_rmdir);
1729 vop_symlink_ap(struct vop_symlink_args *ap)
1733 DO_OPS(ap->a_head.a_ops, error, ap, vop_symlink);
1738 vop_readdir_ap(struct vop_readdir_args *ap)
1742 DO_OPS(ap->a_head.a_ops, error, ap, vop_readdir);
1747 vop_readlink_ap(struct vop_readlink_args *ap)
1751 DO_OPS(ap->a_head.a_ops, error, ap, vop_readlink);
1756 vop_inactive_ap(struct vop_inactive_args *ap)
1760 DO_OPS(ap->a_head.a_ops, error, ap, vop_inactive);
1765 vop_reclaim_ap(struct vop_reclaim_args *ap)
1769 DO_OPS(ap->a_head.a_ops, error, ap, vop_reclaim);
1774 vop_lock_ap(struct vop_lock_args *ap)
1778 DO_OPS(ap->a_head.a_ops, error, ap, vop_lock);
1783 vop_unlock_ap(struct vop_unlock_args *ap)
1787 DO_OPS(ap->a_head.a_ops, error, ap, vop_unlock);
1792 vop_bmap_ap(struct vop_bmap_args *ap)
1796 DO_OPS(ap->a_head.a_ops, error, ap, vop_bmap);
1801 vop_strategy_ap(struct vop_strategy_args *ap)
1805 DO_OPS(ap->a_head.a_ops, error, ap, vop_strategy);
1810 vop_print_ap(struct vop_print_args *ap)
1814 DO_OPS(ap->a_head.a_ops, error, ap, vop_print);
1819 vop_pathconf_ap(struct vop_pathconf_args *ap)
1823 DO_OPS(ap->a_head.a_ops, error, ap, vop_pathconf);
1828 vop_advlock_ap(struct vop_advlock_args *ap)
1832 DO_OPS(ap->a_head.a_ops, error, ap, vop_advlock);
1837 vop_balloc_ap(struct vop_balloc_args *ap)
1841 DO_OPS(ap->a_head.a_ops, error, ap, vop_balloc);
1846 vop_reallocblks_ap(struct vop_reallocblks_args *ap)
1850 DO_OPS(ap->a_head.a_ops, error, ap, vop_reallocblks);
1855 vop_getpages_ap(struct vop_getpages_args *ap)
1859 DO_OPS(ap->a_head.a_ops, error, ap, vop_getpages);
1864 vop_putpages_ap(struct vop_putpages_args *ap)
1868 DO_OPS(ap->a_head.a_ops, error, ap, vop_putpages);
1873 vop_freeblks_ap(struct vop_freeblks_args *ap)
1877 DO_OPS(ap->a_head.a_ops, error, ap, vop_freeblks);
1882 vop_bwrite_ap(struct vop_bwrite_args *ap)
1886 DO_OPS(ap->a_head.a_ops, error, ap, vop_bwrite);
1891 vop_getacl_ap(struct vop_getacl_args *ap)
1895 DO_OPS(ap->a_head.a_ops, error, ap, vop_getacl);
1900 vop_setacl_ap(struct vop_setacl_args *ap)
1904 DO_OPS(ap->a_head.a_ops, error, ap, vop_setacl);
1909 vop_aclcheck_ap(struct vop_aclcheck_args *ap)
1913 DO_OPS(ap->a_head.a_ops, error, ap, vop_aclcheck);
1918 vop_getextattr_ap(struct vop_getextattr_args *ap)
1922 DO_OPS(ap->a_head.a_ops, error, ap, vop_getextattr);
1927 vop_setextattr_ap(struct vop_setextattr_args *ap)
1931 DO_OPS(ap->a_head.a_ops, error, ap, vop_setextattr);
1936 vop_createvobject_ap(struct vop_createvobject_args *ap)
1940 DO_OPS(ap->a_head.a_ops, error, ap, vop_createvobject);
1945 vop_destroyvobject_ap(struct vop_destroyvobject_args *ap)
1949 DO_OPS(ap->a_head.a_ops, error, ap, vop_destroyvobject);
1954 vop_getvobject_ap(struct vop_getvobject_args *ap)
1958 DO_OPS(ap->a_head.a_ops, error, ap, vop_getvobject);
1963 vop_vfsset_ap(struct vop_vfsset_args *ap)
1967 DO_OPS(ap->a_head.a_ops, error, ap, vop_vfsset);
1972 vop_nresolve_ap(struct vop_nresolve_args *ap)
1976 DO_OPS(ap->a_head.a_ops, error, ap, vop_nresolve);
1981 vop_nlookupdotdot_ap(struct vop_nlookupdotdot_args *ap)
1985 DO_OPS(ap->a_head.a_ops, error, ap, vop_nlookupdotdot);
1990 vop_ncreate_ap(struct vop_ncreate_args *ap)
1994 DO_OPS(ap->a_head.a_ops, error, ap, vop_ncreate);
1999 vop_nmkdir_ap(struct vop_nmkdir_args *ap)
2003 DO_OPS(ap->a_head.a_ops, error, ap, vop_nmkdir);
2008 vop_nmknod_ap(struct vop_nmknod_args *ap)
2012 DO_OPS(ap->a_head.a_ops, error, ap, vop_nmknod);
2017 vop_nlink_ap(struct vop_nlink_args *ap)
2021 DO_OPS(ap->a_head.a_ops, error, ap, vop_nlink);
2026 vop_nsymlink_ap(struct vop_nsymlink_args *ap)
2030 DO_OPS(ap->a_head.a_ops, error, ap, vop_nsymlink);
2035 vop_nwhiteout_ap(struct vop_nwhiteout_args *ap)
2039 DO_OPS(ap->a_head.a_ops, error, ap, vop_nwhiteout);
2044 vop_nremove_ap(struct vop_nremove_args *ap)
2048 DO_OPS(ap->a_head.a_ops, error, ap, vop_nremove);
2053 vop_nrmdir_ap(struct vop_nrmdir_args *ap)
2057 DO_OPS(ap->a_head.a_ops, error, ap, vop_nrmdir);
2062 vop_nrename_ap(struct vop_nrename_args *ap)
2066 DO_OPS(ap->a_head.a_ops, error, ap, vop_nrename);