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 1.31 2006/07/28 02:17:40 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 VDESCNAME(name) __CONCAT(__CONCAT(vop_,name),_desc)
80 #define VNODEOP_DESC_INIT(name) \
81 struct syslink_desc VDESCNAME(name) = { \
82 __offsetof(struct vop_ops, __CONCAT(vop_, name)), \
85 VNODEOP_DESC_INIT(default);
86 VNODEOP_DESC_INIT(islocked);
87 VNODEOP_DESC_INIT(old_lookup);
88 VNODEOP_DESC_INIT(old_create);
89 VNODEOP_DESC_INIT(old_whiteout);
90 VNODEOP_DESC_INIT(old_mknod);
91 VNODEOP_DESC_INIT(open);
92 VNODEOP_DESC_INIT(close);
93 VNODEOP_DESC_INIT(access);
94 VNODEOP_DESC_INIT(getattr);
95 VNODEOP_DESC_INIT(setattr);
96 VNODEOP_DESC_INIT(read);
97 VNODEOP_DESC_INIT(write);
98 VNODEOP_DESC_INIT(ioctl);
99 VNODEOP_DESC_INIT(poll);
100 VNODEOP_DESC_INIT(kqfilter);
101 VNODEOP_DESC_INIT(revoke);
102 VNODEOP_DESC_INIT(mmap);
103 VNODEOP_DESC_INIT(fsync);
104 VNODEOP_DESC_INIT(old_remove);
105 VNODEOP_DESC_INIT(old_link);
106 VNODEOP_DESC_INIT(old_rename);
108 VNODEOP_DESC_INIT(old_mkdir);
109 VNODEOP_DESC_INIT(old_rmdir);
110 VNODEOP_DESC_INIT(old_symlink);
111 VNODEOP_DESC_INIT(readdir);
112 VNODEOP_DESC_INIT(readlink);
113 VNODEOP_DESC_INIT(inactive);
114 VNODEOP_DESC_INIT(reclaim);
115 VNODEOP_DESC_INIT(lock);
116 VNODEOP_DESC_INIT(unlock);
117 VNODEOP_DESC_INIT(bmap);
118 VNODEOP_DESC_INIT(strategy);
119 VNODEOP_DESC_INIT(print);
120 VNODEOP_DESC_INIT(pathconf);
121 VNODEOP_DESC_INIT(advlock);
122 VNODEOP_DESC_INIT(balloc);
123 VNODEOP_DESC_INIT(reallocblks);
124 VNODEOP_DESC_INIT(getpages);
125 VNODEOP_DESC_INIT(putpages);
126 VNODEOP_DESC_INIT(freeblks);
127 VNODEOP_DESC_INIT(getacl);
128 VNODEOP_DESC_INIT(setacl);
129 VNODEOP_DESC_INIT(aclcheck);
130 VNODEOP_DESC_INIT(getextattr);
131 VNODEOP_DESC_INIT(setextattr);
132 VNODEOP_DESC_INIT(mountctl);
134 VNODEOP_DESC_INIT(nresolve);
135 VNODEOP_DESC_INIT(nlookupdotdot);
136 VNODEOP_DESC_INIT(ncreate);
137 VNODEOP_DESC_INIT(nmkdir);
138 VNODEOP_DESC_INIT(nmknod);
139 VNODEOP_DESC_INIT(nlink);
140 VNODEOP_DESC_INIT(nsymlink);
141 VNODEOP_DESC_INIT(nwhiteout);
142 VNODEOP_DESC_INIT(nremove);
143 VNODEOP_DESC_INIT(nrmdir);
144 VNODEOP_DESC_INIT(nrename);
146 #define DO_OPS(ops, error, ap, vop_field) \
147 error = ops->vop_field(ap);
149 /************************************************************************
150 * PRIMARY HIGH LEVEL VNODE OPERATIONS CALLS *
151 ************************************************************************
153 * These procedures are called directly from the kernel and/or fileops
154 * code to perform file/device operations on the system.
156 * NOTE: The old namespace api functions such as vop_rename() are no longer
157 * available for general use and have been renamed to vop_old_*(). Only
158 * the code in vfs_default.c is allowed to call those ops.
162 vop_islocked(struct vop_ops *ops, struct vnode *vp, struct thread *td)
164 struct vop_islocked_args ap;
167 ap.a_head.a_desc = &vop_islocked_desc;
168 ap.a_head.a_ops = ops;
172 DO_OPS(ops, error, &ap, vop_islocked);
177 vop_old_lookup(struct vop_ops *ops, struct vnode *dvp,
178 struct vnode **vpp, struct componentname *cnp)
180 struct vop_old_lookup_args ap;
183 ap.a_head.a_desc = &vop_old_lookup_desc;
184 ap.a_head.a_ops = ops;
189 DO_OPS(ops, error, &ap, vop_old_lookup);
194 vop_old_create(struct vop_ops *ops, struct vnode *dvp,
195 struct vnode **vpp, struct componentname *cnp, struct vattr *vap)
197 struct vop_old_create_args ap;
200 ap.a_head.a_desc = &vop_old_create_desc;
201 ap.a_head.a_ops = ops;
207 DO_OPS(ops, error, &ap, vop_old_create);
212 vop_old_whiteout(struct vop_ops *ops, struct vnode *dvp,
213 struct componentname *cnp, int flags)
215 struct vop_old_whiteout_args ap;
218 ap.a_head.a_desc = &vop_old_whiteout_desc;
219 ap.a_head.a_ops = ops;
224 DO_OPS(ops, error, &ap, vop_old_whiteout);
229 vop_old_mknod(struct vop_ops *ops, struct vnode *dvp,
230 struct vnode **vpp, struct componentname *cnp, struct vattr *vap)
232 struct vop_old_mknod_args ap;
235 ap.a_head.a_desc = &vop_old_mknod_desc;
236 ap.a_head.a_ops = ops;
242 DO_OPS(ops, error, &ap, vop_old_mknod);
247 vop_open(struct vop_ops *ops, struct vnode *vp, int mode, struct ucred *cred,
250 struct vop_open_args ap;
253 ap.a_head.a_desc = &vop_open_desc;
254 ap.a_head.a_ops = ops;
260 DO_OPS(ops, error, &ap, vop_open);
265 vop_close(struct vop_ops *ops, struct vnode *vp, int fflag)
267 struct vop_close_args ap;
270 ap.a_head.a_desc = &vop_close_desc;
271 ap.a_head.a_ops = ops;
275 DO_OPS(ops, error, &ap, vop_close);
280 vop_access(struct vop_ops *ops, struct vnode *vp, int mode, struct ucred *cred)
282 struct vop_access_args ap;
285 ap.a_head.a_desc = &vop_access_desc;
286 ap.a_head.a_ops = ops;
291 DO_OPS(ops, error, &ap, vop_access);
296 vop_getattr(struct vop_ops *ops, struct vnode *vp, struct vattr *vap)
298 struct vop_getattr_args ap;
301 ap.a_head.a_desc = &vop_getattr_desc;
302 ap.a_head.a_ops = ops;
306 DO_OPS(ops, error, &ap, vop_getattr);
309 * mount pointer may be NULL if vnode is dead.
311 if (ops->head.vv_mount &&
312 (ops->head.vv_mount->mnt_kern_flag & MNTK_FSMID) == 0) {
313 vap->va_fsmid = cache_sync_fsmid_vp(vp);
319 vop_setattr(struct vop_ops *ops, struct vnode *vp, struct vattr *vap,
322 struct vop_setattr_args ap;
325 ap.a_head.a_desc = &vop_setattr_desc;
326 ap.a_head.a_ops = ops;
331 DO_OPS(ops, error, &ap, vop_setattr);
333 cache_update_fsmid_vp(vp);
338 vop_read(struct vop_ops *ops, struct vnode *vp, struct uio *uio, int ioflag,
341 struct vop_read_args ap;
344 ap.a_head.a_desc = &vop_read_desc;
345 ap.a_head.a_ops = ops;
348 ap.a_ioflag = ioflag;
351 DO_OPS(ops, error, &ap, vop_read);
356 vop_write(struct vop_ops *ops, struct vnode *vp, struct uio *uio, int ioflag,
359 struct vop_write_args ap;
362 ap.a_head.a_desc = &vop_write_desc;
363 ap.a_head.a_ops = ops;
366 ap.a_ioflag = ioflag;
369 DO_OPS(ops, error, &ap, vop_write);
371 cache_update_fsmid_vp(vp);
376 vop_ioctl(struct vop_ops *ops, struct vnode *vp, u_long command, caddr_t data,
377 int fflag, struct ucred *cred)
379 struct vop_ioctl_args ap;
382 ap.a_head.a_desc = &vop_ioctl_desc;
383 ap.a_head.a_ops = ops;
385 ap.a_command = command;
390 DO_OPS(ops, error, &ap, vop_ioctl);
395 vop_poll(struct vop_ops *ops, struct vnode *vp, int events, struct ucred *cred)
397 struct vop_poll_args ap;
400 ap.a_head.a_desc = &vop_poll_desc;
401 ap.a_head.a_ops = ops;
403 ap.a_events = events;
406 DO_OPS(ops, error, &ap, vop_poll);
411 vop_kqfilter(struct vop_ops *ops, struct vnode *vp, struct knote *kn)
413 struct vop_kqfilter_args ap;
416 ap.a_head.a_desc = &vop_kqfilter_desc;
417 ap.a_head.a_ops = ops;
421 DO_OPS(ops, error, &ap, vop_kqfilter);
426 vop_revoke(struct vop_ops *ops, struct vnode *vp, int flags)
428 struct vop_revoke_args ap;
431 ap.a_head.a_desc = &vop_revoke_desc;
432 ap.a_head.a_ops = ops;
436 DO_OPS(ops, error, &ap, vop_revoke);
441 vop_mmap(struct vop_ops *ops, struct vnode *vp, int fflags, struct ucred *cred)
443 struct vop_mmap_args ap;
446 ap.a_head.a_desc = &vop_mmap_desc;
447 ap.a_head.a_ops = ops;
449 ap.a_fflags = fflags;
452 DO_OPS(ops, error, &ap, vop_mmap);
457 vop_fsync(struct vop_ops *ops, struct vnode *vp, int waitfor)
459 struct vop_fsync_args ap;
462 ap.a_head.a_desc = &vop_fsync_desc;
463 ap.a_head.a_ops = ops;
465 ap.a_waitfor = waitfor;
467 DO_OPS(ops, error, &ap, vop_fsync);
472 vop_old_remove(struct vop_ops *ops, struct vnode *dvp,
473 struct vnode *vp, struct componentname *cnp)
475 struct vop_old_remove_args ap;
478 ap.a_head.a_desc = &vop_old_remove_desc;
479 ap.a_head.a_ops = ops;
484 DO_OPS(ops, error, &ap, vop_old_remove);
489 vop_old_link(struct vop_ops *ops, struct vnode *tdvp,
490 struct vnode *vp, struct componentname *cnp)
492 struct vop_old_link_args ap;
495 ap.a_head.a_desc = &vop_old_link_desc;
496 ap.a_head.a_ops = ops;
501 DO_OPS(ops, error, &ap, vop_old_link);
506 vop_old_rename(struct vop_ops *ops,
507 struct vnode *fdvp, struct vnode *fvp, struct componentname *fcnp,
508 struct vnode *tdvp, struct vnode *tvp, struct componentname *tcnp)
510 struct vop_old_rename_args ap;
513 ap.a_head.a_desc = &vop_old_rename_desc;
514 ap.a_head.a_ops = ops;
522 DO_OPS(ops, error, &ap, vop_old_rename);
527 vop_old_mkdir(struct vop_ops *ops, struct vnode *dvp,
528 struct vnode **vpp, struct componentname *cnp, struct vattr *vap)
530 struct vop_old_mkdir_args ap;
533 ap.a_head.a_desc = &vop_old_mkdir_desc;
534 ap.a_head.a_ops = ops;
540 DO_OPS(ops, error, &ap, vop_old_mkdir);
545 vop_old_rmdir(struct vop_ops *ops, struct vnode *dvp,
546 struct vnode *vp, struct componentname *cnp)
548 struct vop_old_rmdir_args ap;
551 ap.a_head.a_desc = &vop_old_rmdir_desc;
552 ap.a_head.a_ops = ops;
557 DO_OPS(ops, error, &ap, vop_old_rmdir);
562 vop_old_symlink(struct vop_ops *ops, struct vnode *dvp,
563 struct vnode **vpp, struct componentname *cnp,
564 struct vattr *vap, char *target)
566 struct vop_old_symlink_args ap;
569 ap.a_head.a_desc = &vop_old_symlink_desc;
570 ap.a_head.a_ops = ops;
575 ap.a_target = target;
577 DO_OPS(ops, error, &ap, vop_old_symlink);
582 vop_readdir(struct vop_ops *ops, struct vnode *vp, struct uio *uio,
583 struct ucred *cred, int *eofflag, int *ncookies, u_long **cookies)
585 struct vop_readdir_args ap;
588 ap.a_head.a_desc = &vop_readdir_desc;
589 ap.a_head.a_ops = ops;
593 ap.a_eofflag = eofflag;
594 ap.a_ncookies = ncookies;
595 ap.a_cookies = cookies;
597 DO_OPS(ops, error, &ap, vop_readdir);
602 vop_readlink(struct vop_ops *ops, struct vnode *vp, struct uio *uio,
605 struct vop_readlink_args ap;
608 ap.a_head.a_desc = &vop_readlink_desc;
609 ap.a_head.a_ops = ops;
614 DO_OPS(ops, error, &ap, vop_readlink);
619 vop_inactive(struct vop_ops *ops, struct vnode *vp)
621 struct vop_inactive_args ap;
624 ap.a_head.a_desc = &vop_inactive_desc;
625 ap.a_head.a_ops = ops;
628 DO_OPS(ops, error, &ap, vop_inactive);
633 vop_reclaim(struct vop_ops *ops, struct vnode *vp)
635 struct vop_reclaim_args ap;
638 ap.a_head.a_desc = &vop_reclaim_desc;
639 ap.a_head.a_ops = ops;
642 DO_OPS(ops, error, &ap, vop_reclaim);
647 vop_lock(struct vop_ops *ops, struct vnode *vp, int flags)
649 struct vop_lock_args ap;
652 ap.a_head.a_desc = &vop_lock_desc;
653 ap.a_head.a_ops = ops;
657 DO_OPS(ops, error, &ap, vop_lock);
662 vop_unlock(struct vop_ops *ops, struct vnode *vp, int flags)
664 struct vop_unlock_args ap;
667 ap.a_head.a_desc = &vop_unlock_desc;
668 ap.a_head.a_ops = ops;
672 DO_OPS(ops, error, &ap, vop_unlock);
677 vop_bmap(struct vop_ops *ops, struct vnode *vp, off_t loffset,
678 struct vnode **vpp, off_t *doffsetp, int *runp, int *runb)
680 struct vop_bmap_args ap;
683 ap.a_head.a_desc = &vop_bmap_desc;
684 ap.a_head.a_ops = ops;
686 ap.a_loffset = loffset;
688 ap.a_doffsetp = doffsetp;
692 DO_OPS(ops, error, &ap, vop_bmap);
697 vop_strategy(struct vop_ops *ops, struct vnode *vp, struct bio *bio)
699 struct vop_strategy_args ap;
702 ap.a_head.a_desc = &vop_strategy_desc;
703 ap.a_head.a_ops = ops;
707 DO_OPS(ops, error, &ap, vop_strategy);
708 if (error == 0 && bio->bio_buf->b_cmd != BUF_CMD_READ)
709 cache_update_fsmid_vp(vp);
714 vop_print(struct vop_ops *ops, struct vnode *vp)
716 struct vop_print_args ap;
719 ap.a_head.a_desc = &vop_print_desc;
720 ap.a_head.a_ops = ops;
723 DO_OPS(ops, error, &ap, vop_print);
728 vop_pathconf(struct vop_ops *ops, struct vnode *vp, int name,
731 struct vop_pathconf_args ap;
734 ap.a_head.a_desc = &vop_pathconf_desc;
735 ap.a_head.a_ops = ops;
738 ap.a_retval = retval;
740 DO_OPS(ops, error, &ap, vop_pathconf);
745 vop_advlock(struct vop_ops *ops, struct vnode *vp, caddr_t id, int op,
746 struct flock *fl, int flags)
748 struct vop_advlock_args ap;
751 ap.a_head.a_desc = &vop_advlock_desc;
752 ap.a_head.a_ops = ops;
759 DO_OPS(ops, error, &ap, vop_advlock);
764 vop_balloc(struct vop_ops *ops, struct vnode *vp, off_t startoffset,
765 int size, struct ucred *cred, int flags,
768 struct vop_balloc_args ap;
771 ap.a_head.a_desc = &vop_balloc_desc;
772 ap.a_head.a_ops = ops;
774 ap.a_startoffset = startoffset;
780 DO_OPS(ops, error, &ap, vop_balloc);
785 vop_reallocblks(struct vop_ops *ops, struct vnode *vp,
786 struct cluster_save *buflist)
788 struct vop_reallocblks_args ap;
791 ap.a_head.a_desc = &vop_reallocblks_desc;
792 ap.a_head.a_ops = ops;
794 ap.a_buflist = buflist;
796 DO_OPS(ops, error, &ap, vop_reallocblks);
801 vop_getpages(struct vop_ops *ops, struct vnode *vp, vm_page_t *m, int count,
802 int reqpage, vm_ooffset_t offset)
804 struct vop_getpages_args ap;
807 ap.a_head.a_desc = &vop_getpages_desc;
808 ap.a_head.a_ops = ops;
812 ap.a_reqpage = reqpage;
813 ap.a_offset = offset;
815 DO_OPS(ops, error, &ap, vop_getpages);
820 vop_putpages(struct vop_ops *ops, struct vnode *vp, vm_page_t *m, int count,
821 int sync, int *rtvals, vm_ooffset_t offset)
823 struct vop_putpages_args ap;
826 ap.a_head.a_desc = &vop_putpages_desc;
827 ap.a_head.a_ops = ops;
832 ap.a_rtvals = rtvals;
833 ap.a_offset = offset;
835 DO_OPS(ops, error, &ap, vop_putpages);
837 cache_update_fsmid_vp(vp);
842 vop_freeblks(struct vop_ops *ops, struct vnode *vp, off_t offset, int length)
844 struct vop_freeblks_args ap;
847 ap.a_head.a_desc = &vop_freeblks_desc;
848 ap.a_head.a_ops = ops;
850 ap.a_offset = offset;
851 ap.a_length = length;
853 DO_OPS(ops, error, &ap, vop_freeblks);
858 vop_getacl(struct vop_ops *ops, struct vnode *vp, acl_type_t type,
859 struct acl *aclp, struct ucred *cred)
861 struct vop_getacl_args ap;
864 ap.a_head.a_desc = &vop_getacl_desc;
865 ap.a_head.a_ops = ops;
871 DO_OPS(ops, error, &ap, vop_getacl);
876 vop_setacl(struct vop_ops *ops, struct vnode *vp, acl_type_t type,
877 struct acl *aclp, struct ucred *cred)
879 struct vop_setacl_args ap;
882 ap.a_head.a_desc = &vop_setacl_desc;
883 ap.a_head.a_ops = ops;
889 DO_OPS(ops, error, &ap, vop_setacl);
891 cache_update_fsmid_vp(vp);
896 vop_aclcheck(struct vop_ops *ops, struct vnode *vp, acl_type_t type,
897 struct acl *aclp, struct ucred *cred)
899 struct vop_aclcheck_args ap;
902 ap.a_head.a_desc = &vop_aclcheck_desc;
903 ap.a_head.a_ops = ops;
909 DO_OPS(ops, error, &ap, vop_aclcheck);
914 vop_getextattr(struct vop_ops *ops, struct vnode *vp, char *name,
915 struct uio *uio, struct ucred *cred)
917 struct vop_getextattr_args ap;
920 ap.a_head.a_desc = &vop_getextattr_desc;
921 ap.a_head.a_ops = ops;
927 DO_OPS(ops, error, &ap, vop_getextattr);
932 vop_setextattr(struct vop_ops *ops, struct vnode *vp, char *name,
933 struct uio *uio, struct ucred *cred)
935 struct vop_setextattr_args ap;
938 ap.a_head.a_desc = &vop_setextattr_desc;
939 ap.a_head.a_ops = ops;
945 DO_OPS(ops, error, &ap, vop_setextattr);
947 cache_update_fsmid_vp(vp);
952 vop_mountctl(struct vop_ops *ops, int op, struct file *fp,
953 const void *ctl, int ctllen, void *buf, int buflen, int *res)
955 struct vop_mountctl_args ap;
958 ap.a_head.a_desc = &vop_mountctl_desc;
959 ap.a_head.a_ops = ops;
963 ap.a_ctllen = ctllen;
965 ap.a_buflen = buflen;
968 DO_OPS(ops, error, &ap, vop_mountctl);
975 * nresolve takes a locked ncp and a cred and resolves the ncp into a
976 * positive or negative hit.
978 * The namecache is automatically adjusted by this function. The ncp
979 * is left locked on return.
982 vop_nresolve(struct vop_ops *ops, struct namecache *ncp, struct ucred *cred)
984 struct vop_nresolve_args ap;
987 ap.a_head.a_desc = &vop_nresolve_desc;
988 ap.a_head.a_ops = ops;
992 DO_OPS(ops, error, &ap, vop_nresolve);
997 * nlookupdotdot takes an unlocked directory, dvp, and looks up "..", returning
998 * a locked parent directory in *vpp. If an error occurs *vpp will be NULL.
1001 vop_nlookupdotdot(struct vop_ops *ops, struct vnode *dvp,
1002 struct vnode **vpp, struct ucred *cred)
1004 struct vop_nlookupdotdot_args ap;
1007 ap.a_head.a_desc = &vop_nlookupdotdot_desc;
1008 ap.a_head.a_ops = ops;
1013 DO_OPS(ops, error, &ap, vop_nlookupdotdot);
1018 * ncreate takes a locked, resolved ncp that typically represents a negative
1019 * cache hit and creates the file or node specified by the ncp, cred, and
1020 * vattr. If no error occurs a locked vnode is returned in *vpp.
1022 * The namecache is automatically adjusted by this function. The ncp
1023 * is left locked on return.
1026 vop_ncreate(struct vop_ops *ops, struct namecache *ncp,
1027 struct vnode **vpp, struct ucred *cred, struct vattr *vap)
1029 struct vop_ncreate_args ap;
1032 ap.a_head.a_desc = &vop_ncreate_desc;
1033 ap.a_head.a_ops = ops;
1039 DO_OPS(ops, error, &ap, vop_ncreate);
1040 if (error == 0 && *vpp)
1041 cache_update_fsmid_vp(*vpp);
1046 * nmkdir takes a locked, resolved ncp that typically represents a negative
1047 * cache hit and creates the directory specified by the ncp, cred, and
1048 * vattr. If no error occurs a locked vnode is returned in *vpp.
1050 * The namecache is automatically adjusted by this function. The ncp
1051 * is left locked on return.
1054 vop_nmkdir(struct vop_ops *ops, struct namecache *ncp,
1055 struct vnode **vpp, struct ucred *cred, struct vattr *vap)
1057 struct vop_nmkdir_args ap;
1060 ap.a_head.a_desc = &vop_nmkdir_desc;
1061 ap.a_head.a_ops = ops;
1067 DO_OPS(ops, error, &ap, vop_nmkdir);
1068 if (error == 0 && *vpp)
1069 cache_update_fsmid_vp(*vpp);
1074 * nmknod takes a locked, resolved ncp that typically represents a negative
1075 * cache hit and creates the node specified by the ncp, cred, and
1076 * vattr. If no error occurs a locked vnode is returned in *vpp.
1078 * The namecache is automatically adjusted by this function. The ncp
1079 * is left locked on return.
1082 vop_nmknod(struct vop_ops *ops, struct namecache *ncp,
1083 struct vnode **vpp, struct ucred *cred, struct vattr *vap)
1085 struct vop_nmknod_args ap;
1088 ap.a_head.a_desc = &vop_nmknod_desc;
1089 ap.a_head.a_ops = ops;
1095 DO_OPS(ops, error, &ap, vop_nmknod);
1096 if (error == 0 && *vpp)
1097 cache_update_fsmid_vp(*vpp);
1102 * nlink takes a locked, resolved ncp that typically represents a negative
1103 * cache hit and creates the node specified by the ncp, cred, and
1104 * existing vnode. The passed vp must be locked and will remain locked
1105 * on return, as does the ncp, whether an error occurs or not.
1107 * The namecache is automatically adjusted by this function. The ncp
1108 * is left locked on return.
1111 vop_nlink(struct vop_ops *ops, struct namecache *ncp,
1112 struct vnode *vp, struct ucred *cred)
1114 struct vop_nlink_args ap;
1117 ap.a_head.a_desc = &vop_nlink_desc;
1118 ap.a_head.a_ops = ops;
1123 DO_OPS(ops, error, &ap, vop_nlink);
1125 cache_update_fsmid(ncp);
1130 * nsymlink takes a locked, resolved ncp that typically represents a negative
1131 * cache hit and creates a symbolic link based on cred, vap, and target (the
1132 * contents of the link). If no error occurs a locked vnode is returned in
1135 * The namecache is automatically adjusted by this function. The ncp
1136 * is left locked on return.
1139 vop_nsymlink(struct vop_ops *ops, struct namecache *ncp,
1140 struct vnode **vpp, struct ucred *cred,
1141 struct vattr *vap, char *target)
1143 struct vop_nsymlink_args ap;
1146 ap.a_head.a_desc = &vop_nsymlink_desc;
1147 ap.a_head.a_ops = ops;
1152 ap.a_target = target;
1154 DO_OPS(ops, error, &ap, vop_nsymlink);
1156 cache_update_fsmid(ncp);
1161 * nwhiteout takes a locked, resolved ncp that can represent a positive or
1162 * negative hit and executes the whiteout function specified in flags.
1164 * The namecache is automatically adjusted by this function. The ncp
1165 * is left locked on return.
1168 vop_nwhiteout(struct vop_ops *ops, struct namecache *ncp,
1169 struct ucred *cred, int flags)
1171 struct vop_nwhiteout_args ap;
1174 ap.a_head.a_desc = &vop_nwhiteout_desc;
1175 ap.a_head.a_ops = ops;
1180 DO_OPS(ops, error, &ap, vop_nwhiteout);
1182 cache_update_fsmid(ncp);
1187 * nremove takes a locked, resolved ncp that generally represents a
1188 * positive hit and removes the file.
1190 * The namecache is automatically adjusted by this function. The ncp
1191 * is left locked on return.
1194 vop_nremove(struct vop_ops *ops, struct namecache *ncp, struct ucred *cred)
1196 struct vop_nremove_args ap;
1199 ap.a_head.a_desc = &vop_nremove_desc;
1200 ap.a_head.a_ops = ops;
1204 DO_OPS(ops, error, &ap, vop_nremove);
1206 cache_update_fsmid(ncp);
1211 * nrmdir takes a locked, resolved ncp that generally represents a
1212 * directory and removes the directory.
1214 * The namecache is automatically adjusted by this function. The ncp
1215 * is left locked on return.
1218 vop_nrmdir(struct vop_ops *ops, struct namecache *ncp, struct ucred *cred)
1220 struct vop_nrmdir_args ap;
1223 ap.a_head.a_desc = &vop_nrmdir_desc;
1224 ap.a_head.a_ops = ops;
1228 DO_OPS(ops, error, &ap, vop_nrmdir);
1230 cache_update_fsmid(ncp);
1235 * nrename takes TWO locked, resolved ncp's and the cred of the caller
1236 * and renames the source ncp to the target ncp. The target ncp may
1237 * represent a positive or negative hit.
1239 * The namecache is automatically adjusted by this function. The ncp
1240 * is left locked on return. The source ncp is typically changed to
1241 * a negative cache hit and the target ncp typically takes on the
1242 * source ncp's underlying file.
1245 vop_nrename(struct vop_ops *ops, struct namecache *fncp,
1246 struct namecache *tncp, struct ucred *cred)
1248 struct vop_nrename_args ap;
1251 ap.a_head.a_desc = &vop_nrename_desc;
1252 ap.a_head.a_ops = ops;
1257 DO_OPS(ops, error, &ap, vop_nrename);
1259 cache_update_fsmid(fncp);
1260 cache_update_fsmid(tncp);
1265 /************************************************************************
1266 * PRIMARY VNODE OPERATIONS FORWARDING CALLS *
1267 ************************************************************************
1269 * These procedures are called from VFSs such as unionfs and nullfs
1270 * when they wish to forward an operation on one VFS to another. The
1271 * argument structure/message is modified and then directly passed to the
1272 * appropriate routine. This routines may also be called by initiators
1273 * who have an argument structure in hand rather then discreet arguments.
1276 vop_vnoperate_ap(struct vop_generic_args *ap)
1278 struct vop_ops *ops;
1282 error = VOCALL(ops, ap);
1288 * This routine is called by the cache coherency layer to execute the actual
1289 * VFS operation. If a journaling layer is present we call though it, else
1290 * we call the native VOP functions.
1293 vop_cache_operate_ap(struct vop_generic_args *ap)
1295 struct vop_ops *ops;
1299 if (ops->head.vv_mount->mnt_vn_journal_ops)
1300 error = VOCALL(ops->head.vv_mount->mnt_vn_journal_ops, ap);
1302 error = VOCALL(ops->head.vv_mount->mnt_vn_norm_ops, ap);
1308 * This routine is called by the journaling layer to execute the actual
1312 vop_journal_operate_ap(struct vop_generic_args *ap)
1314 struct vop_ops *ops;
1318 error = VOCALL(ops->head.vv_mount->mnt_vn_norm_ops, ap);
1324 vop_islocked_ap(struct vop_islocked_args *ap)
1328 DO_OPS(ap->a_head.a_ops, error, ap, vop_islocked);
1333 vop_open_ap(struct vop_open_args *ap)
1337 DO_OPS(ap->a_head.a_ops, error, ap, vop_open);
1342 vop_close_ap(struct vop_close_args *ap)
1346 DO_OPS(ap->a_head.a_ops, error, ap, vop_close);
1351 vop_access_ap(struct vop_access_args *ap)
1355 DO_OPS(ap->a_head.a_ops, error, ap, vop_access);
1360 vop_getattr_ap(struct vop_getattr_args *ap)
1364 DO_OPS(ap->a_head.a_ops, error, ap, vop_getattr);
1369 vop_setattr_ap(struct vop_setattr_args *ap)
1373 DO_OPS(ap->a_head.a_ops, error, ap, vop_setattr);
1378 vop_read_ap(struct vop_read_args *ap)
1382 DO_OPS(ap->a_head.a_ops, error, ap, vop_read);
1387 vop_write_ap(struct vop_write_args *ap)
1391 DO_OPS(ap->a_head.a_ops, error, ap, vop_write);
1396 vop_ioctl_ap(struct vop_ioctl_args *ap)
1400 DO_OPS(ap->a_head.a_ops, error, ap, vop_ioctl);
1405 vop_poll_ap(struct vop_poll_args *ap)
1409 DO_OPS(ap->a_head.a_ops, error, ap, vop_poll);
1414 vop_kqfilter_ap(struct vop_kqfilter_args *ap)
1418 DO_OPS(ap->a_head.a_ops, error, ap, vop_kqfilter);
1423 vop_revoke_ap(struct vop_revoke_args *ap)
1427 DO_OPS(ap->a_head.a_ops, error, ap, vop_revoke);
1432 vop_mmap_ap(struct vop_mmap_args *ap)
1436 DO_OPS(ap->a_head.a_ops, error, ap, vop_mmap);
1441 vop_fsync_ap(struct vop_fsync_args *ap)
1445 DO_OPS(ap->a_head.a_ops, error, ap, vop_fsync);
1450 vop_readdir_ap(struct vop_readdir_args *ap)
1454 DO_OPS(ap->a_head.a_ops, error, ap, vop_readdir);
1459 vop_readlink_ap(struct vop_readlink_args *ap)
1463 DO_OPS(ap->a_head.a_ops, error, ap, vop_readlink);
1468 vop_inactive_ap(struct vop_inactive_args *ap)
1472 DO_OPS(ap->a_head.a_ops, error, ap, vop_inactive);
1477 vop_reclaim_ap(struct vop_reclaim_args *ap)
1481 DO_OPS(ap->a_head.a_ops, error, ap, vop_reclaim);
1486 vop_lock_ap(struct vop_lock_args *ap)
1490 DO_OPS(ap->a_head.a_ops, error, ap, vop_lock);
1495 vop_unlock_ap(struct vop_unlock_args *ap)
1499 DO_OPS(ap->a_head.a_ops, error, ap, vop_unlock);
1504 vop_bmap_ap(struct vop_bmap_args *ap)
1508 DO_OPS(ap->a_head.a_ops, error, ap, vop_bmap);
1513 vop_strategy_ap(struct vop_strategy_args *ap)
1517 DO_OPS(ap->a_head.a_ops, error, ap, vop_strategy);
1522 vop_print_ap(struct vop_print_args *ap)
1526 DO_OPS(ap->a_head.a_ops, error, ap, vop_print);
1531 vop_pathconf_ap(struct vop_pathconf_args *ap)
1535 DO_OPS(ap->a_head.a_ops, error, ap, vop_pathconf);
1540 vop_advlock_ap(struct vop_advlock_args *ap)
1544 DO_OPS(ap->a_head.a_ops, error, ap, vop_advlock);
1549 vop_balloc_ap(struct vop_balloc_args *ap)
1553 DO_OPS(ap->a_head.a_ops, error, ap, vop_balloc);
1558 vop_reallocblks_ap(struct vop_reallocblks_args *ap)
1562 DO_OPS(ap->a_head.a_ops, error, ap, vop_reallocblks);
1567 vop_getpages_ap(struct vop_getpages_args *ap)
1571 DO_OPS(ap->a_head.a_ops, error, ap, vop_getpages);
1576 vop_putpages_ap(struct vop_putpages_args *ap)
1580 DO_OPS(ap->a_head.a_ops, error, ap, vop_putpages);
1585 vop_freeblks_ap(struct vop_freeblks_args *ap)
1589 DO_OPS(ap->a_head.a_ops, error, ap, vop_freeblks);
1594 vop_getacl_ap(struct vop_getacl_args *ap)
1598 DO_OPS(ap->a_head.a_ops, error, ap, vop_getacl);
1603 vop_setacl_ap(struct vop_setacl_args *ap)
1607 DO_OPS(ap->a_head.a_ops, error, ap, vop_setacl);
1612 vop_aclcheck_ap(struct vop_aclcheck_args *ap)
1616 DO_OPS(ap->a_head.a_ops, error, ap, vop_aclcheck);
1621 vop_getextattr_ap(struct vop_getextattr_args *ap)
1625 DO_OPS(ap->a_head.a_ops, error, ap, vop_getextattr);
1630 vop_setextattr_ap(struct vop_setextattr_args *ap)
1634 DO_OPS(ap->a_head.a_ops, error, ap, vop_setextattr);
1639 vop_mountctl_ap(struct vop_mountctl_args *ap)
1643 DO_OPS(ap->a_head.a_ops, error, ap, vop_mountctl);
1648 vop_nresolve_ap(struct vop_nresolve_args *ap)
1652 DO_OPS(ap->a_head.a_ops, error, ap, vop_nresolve);
1657 vop_nlookupdotdot_ap(struct vop_nlookupdotdot_args *ap)
1661 DO_OPS(ap->a_head.a_ops, error, ap, vop_nlookupdotdot);
1666 vop_ncreate_ap(struct vop_ncreate_args *ap)
1670 DO_OPS(ap->a_head.a_ops, error, ap, vop_ncreate);
1675 vop_nmkdir_ap(struct vop_nmkdir_args *ap)
1679 DO_OPS(ap->a_head.a_ops, error, ap, vop_nmkdir);
1684 vop_nmknod_ap(struct vop_nmknod_args *ap)
1688 DO_OPS(ap->a_head.a_ops, error, ap, vop_nmknod);
1693 vop_nlink_ap(struct vop_nlink_args *ap)
1697 DO_OPS(ap->a_head.a_ops, error, ap, vop_nlink);
1702 vop_nsymlink_ap(struct vop_nsymlink_args *ap)
1706 DO_OPS(ap->a_head.a_ops, error, ap, vop_nsymlink);
1711 vop_nwhiteout_ap(struct vop_nwhiteout_args *ap)
1715 DO_OPS(ap->a_head.a_ops, error, ap, vop_nwhiteout);
1720 vop_nremove_ap(struct vop_nremove_args *ap)
1724 DO_OPS(ap->a_head.a_ops, error, ap, vop_nremove);
1729 vop_nrmdir_ap(struct vop_nrmdir_args *ap)
1733 DO_OPS(ap->a_head.a_ops, error, ap, vop_nrmdir);
1738 vop_nrename_ap(struct vop_nrename_args *ap)
1742 DO_OPS(ap->a_head.a_ops, error, ap, vop_nrename);