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 1.37 2008/02/06 00:27:27 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(old_lookup);
87 VNODEOP_DESC_INIT(old_create);
88 VNODEOP_DESC_INIT(old_whiteout);
89 VNODEOP_DESC_INIT(old_mknod);
90 VNODEOP_DESC_INIT(open);
91 VNODEOP_DESC_INIT(close);
92 VNODEOP_DESC_INIT(access);
93 VNODEOP_DESC_INIT(getattr);
94 VNODEOP_DESC_INIT(setattr);
95 VNODEOP_DESC_INIT(read);
96 VNODEOP_DESC_INIT(write);
97 VNODEOP_DESC_INIT(ioctl);
98 VNODEOP_DESC_INIT(poll);
99 VNODEOP_DESC_INIT(kqfilter);
100 VNODEOP_DESC_INIT(revoke);
101 VNODEOP_DESC_INIT(mmap);
102 VNODEOP_DESC_INIT(fsync);
103 VNODEOP_DESC_INIT(old_remove);
104 VNODEOP_DESC_INIT(old_link);
105 VNODEOP_DESC_INIT(old_rename);
107 VNODEOP_DESC_INIT(old_mkdir);
108 VNODEOP_DESC_INIT(old_rmdir);
109 VNODEOP_DESC_INIT(old_symlink);
110 VNODEOP_DESC_INIT(readdir);
111 VNODEOP_DESC_INIT(readlink);
112 VNODEOP_DESC_INIT(inactive);
113 VNODEOP_DESC_INIT(reclaim);
114 VNODEOP_DESC_INIT(bmap);
115 VNODEOP_DESC_INIT(strategy);
116 VNODEOP_DESC_INIT(print);
117 VNODEOP_DESC_INIT(pathconf);
118 VNODEOP_DESC_INIT(advlock);
119 VNODEOP_DESC_INIT(balloc);
120 VNODEOP_DESC_INIT(reallocblks);
121 VNODEOP_DESC_INIT(getpages);
122 VNODEOP_DESC_INIT(putpages);
123 VNODEOP_DESC_INIT(freeblks);
124 VNODEOP_DESC_INIT(getacl);
125 VNODEOP_DESC_INIT(setacl);
126 VNODEOP_DESC_INIT(aclcheck);
127 VNODEOP_DESC_INIT(getextattr);
128 VNODEOP_DESC_INIT(setextattr);
129 VNODEOP_DESC_INIT(mountctl);
131 VNODEOP_DESC_INIT(nresolve);
132 VNODEOP_DESC_INIT(nlookupdotdot);
133 VNODEOP_DESC_INIT(ncreate);
134 VNODEOP_DESC_INIT(nmkdir);
135 VNODEOP_DESC_INIT(nmknod);
136 VNODEOP_DESC_INIT(nlink);
137 VNODEOP_DESC_INIT(nsymlink);
138 VNODEOP_DESC_INIT(nwhiteout);
139 VNODEOP_DESC_INIT(nremove);
140 VNODEOP_DESC_INIT(nrmdir);
141 VNODEOP_DESC_INIT(nrename);
143 #define DO_OPS(ops, error, ap, vop_field) \
144 error = ops->vop_field(ap);
146 /************************************************************************
147 * PRIMARY HIGH LEVEL VNODE OPERATIONS CALLS *
148 ************************************************************************
150 * These procedures are called directly from the kernel and/or fileops
151 * code to perform file/device operations on the system.
153 * NOTE: The old namespace api functions such as vop_rename() are no longer
154 * available for general use and have been renamed to vop_old_*(). Only
155 * the code in vfs_default.c is allowed to call those ops.
159 vop_old_lookup(struct vop_ops *ops, struct vnode *dvp,
160 struct vnode **vpp, struct componentname *cnp)
162 struct vop_old_lookup_args ap;
165 ap.a_head.a_desc = &vop_old_lookup_desc;
166 ap.a_head.a_ops = ops;
171 DO_OPS(ops, error, &ap, vop_old_lookup);
176 vop_old_create(struct vop_ops *ops, struct vnode *dvp,
177 struct vnode **vpp, struct componentname *cnp, struct vattr *vap)
179 struct vop_old_create_args ap;
182 ap.a_head.a_desc = &vop_old_create_desc;
183 ap.a_head.a_ops = ops;
189 DO_OPS(ops, error, &ap, vop_old_create);
194 vop_old_whiteout(struct vop_ops *ops, struct vnode *dvp,
195 struct componentname *cnp, int flags)
197 struct vop_old_whiteout_args ap;
200 ap.a_head.a_desc = &vop_old_whiteout_desc;
201 ap.a_head.a_ops = ops;
206 DO_OPS(ops, error, &ap, vop_old_whiteout);
211 vop_old_mknod(struct vop_ops *ops, struct vnode *dvp,
212 struct vnode **vpp, struct componentname *cnp, struct vattr *vap)
214 struct vop_old_mknod_args ap;
217 ap.a_head.a_desc = &vop_old_mknod_desc;
218 ap.a_head.a_ops = ops;
224 DO_OPS(ops, error, &ap, vop_old_mknod);
229 vop_open(struct vop_ops *ops, struct vnode *vp, int mode, struct ucred *cred,
232 struct vop_open_args ap;
235 ap.a_head.a_desc = &vop_open_desc;
236 ap.a_head.a_ops = ops;
242 DO_OPS(ops, error, &ap, vop_open);
247 vop_close(struct vop_ops *ops, struct vnode *vp, int fflag)
249 struct vop_close_args ap;
252 ap.a_head.a_desc = &vop_close_desc;
253 ap.a_head.a_ops = ops;
257 DO_OPS(ops, error, &ap, vop_close);
262 vop_access(struct vop_ops *ops, struct vnode *vp, int mode, struct ucred *cred)
264 struct vop_access_args ap;
267 ap.a_head.a_desc = &vop_access_desc;
268 ap.a_head.a_ops = ops;
273 DO_OPS(ops, error, &ap, vop_access);
278 vop_getattr(struct vop_ops *ops, struct vnode *vp, struct vattr *vap)
280 struct vop_getattr_args ap;
283 ap.a_head.a_desc = &vop_getattr_desc;
284 ap.a_head.a_ops = ops;
288 DO_OPS(ops, error, &ap, vop_getattr);
291 * mount pointer may be NULL if vnode is dead.
293 if (ops->head.vv_mount &&
294 (ops->head.vv_mount->mnt_kern_flag & MNTK_FSMID) == 0) {
295 vap->va_fsmid = cache_sync_fsmid_vp(vp);
301 vop_setattr(struct vop_ops *ops, struct vnode *vp, struct vattr *vap,
304 struct vop_setattr_args ap;
307 ap.a_head.a_desc = &vop_setattr_desc;
308 ap.a_head.a_ops = ops;
313 DO_OPS(ops, error, &ap, vop_setattr);
315 cache_update_fsmid_vp(vp);
320 vop_read(struct vop_ops *ops, struct vnode *vp, struct uio *uio, int ioflag,
323 struct vop_read_args ap;
326 ap.a_head.a_desc = &vop_read_desc;
327 ap.a_head.a_ops = ops;
330 ap.a_ioflag = ioflag;
333 DO_OPS(ops, error, &ap, vop_read);
338 vop_write(struct vop_ops *ops, struct vnode *vp, struct uio *uio, int ioflag,
341 struct vop_write_args ap;
344 ap.a_head.a_desc = &vop_write_desc;
345 ap.a_head.a_ops = ops;
348 ap.a_ioflag = ioflag;
351 DO_OPS(ops, error, &ap, vop_write);
353 cache_update_fsmid_vp(vp);
358 vop_ioctl(struct vop_ops *ops, struct vnode *vp, u_long command, caddr_t data,
359 int fflag, struct ucred *cred)
361 struct vop_ioctl_args ap;
364 ap.a_head.a_desc = &vop_ioctl_desc;
365 ap.a_head.a_ops = ops;
367 ap.a_command = command;
372 DO_OPS(ops, error, &ap, vop_ioctl);
377 vop_poll(struct vop_ops *ops, struct vnode *vp, int events, struct ucred *cred)
379 struct vop_poll_args ap;
382 ap.a_head.a_desc = &vop_poll_desc;
383 ap.a_head.a_ops = ops;
385 ap.a_events = events;
388 DO_OPS(ops, error, &ap, vop_poll);
393 vop_kqfilter(struct vop_ops *ops, struct vnode *vp, struct knote *kn)
395 struct vop_kqfilter_args ap;
398 ap.a_head.a_desc = &vop_kqfilter_desc;
399 ap.a_head.a_ops = ops;
403 DO_OPS(ops, error, &ap, vop_kqfilter);
408 vop_revoke(struct vop_ops *ops, struct vnode *vp, int flags)
410 struct vop_revoke_args ap;
413 ap.a_head.a_desc = &vop_revoke_desc;
414 ap.a_head.a_ops = ops;
418 DO_OPS(ops, error, &ap, vop_revoke);
423 vop_mmap(struct vop_ops *ops, struct vnode *vp, int fflags, struct ucred *cred)
425 struct vop_mmap_args ap;
428 ap.a_head.a_desc = &vop_mmap_desc;
429 ap.a_head.a_ops = ops;
431 ap.a_fflags = fflags;
434 DO_OPS(ops, error, &ap, vop_mmap);
439 vop_fsync(struct vop_ops *ops, struct vnode *vp, int waitfor)
441 struct vop_fsync_args ap;
444 ap.a_head.a_desc = &vop_fsync_desc;
445 ap.a_head.a_ops = ops;
447 ap.a_waitfor = waitfor;
449 DO_OPS(ops, error, &ap, vop_fsync);
454 vop_old_remove(struct vop_ops *ops, struct vnode *dvp,
455 struct vnode *vp, struct componentname *cnp)
457 struct vop_old_remove_args ap;
460 ap.a_head.a_desc = &vop_old_remove_desc;
461 ap.a_head.a_ops = ops;
466 DO_OPS(ops, error, &ap, vop_old_remove);
471 vop_old_link(struct vop_ops *ops, struct vnode *tdvp,
472 struct vnode *vp, struct componentname *cnp)
474 struct vop_old_link_args ap;
477 ap.a_head.a_desc = &vop_old_link_desc;
478 ap.a_head.a_ops = ops;
483 DO_OPS(ops, error, &ap, vop_old_link);
488 vop_old_rename(struct vop_ops *ops,
489 struct vnode *fdvp, struct vnode *fvp, struct componentname *fcnp,
490 struct vnode *tdvp, struct vnode *tvp, struct componentname *tcnp)
492 struct vop_old_rename_args ap;
495 ap.a_head.a_desc = &vop_old_rename_desc;
496 ap.a_head.a_ops = ops;
504 DO_OPS(ops, error, &ap, vop_old_rename);
509 vop_old_mkdir(struct vop_ops *ops, struct vnode *dvp,
510 struct vnode **vpp, struct componentname *cnp, struct vattr *vap)
512 struct vop_old_mkdir_args ap;
515 ap.a_head.a_desc = &vop_old_mkdir_desc;
516 ap.a_head.a_ops = ops;
522 DO_OPS(ops, error, &ap, vop_old_mkdir);
527 vop_old_rmdir(struct vop_ops *ops, struct vnode *dvp,
528 struct vnode *vp, struct componentname *cnp)
530 struct vop_old_rmdir_args ap;
533 ap.a_head.a_desc = &vop_old_rmdir_desc;
534 ap.a_head.a_ops = ops;
539 DO_OPS(ops, error, &ap, vop_old_rmdir);
544 vop_old_symlink(struct vop_ops *ops, struct vnode *dvp,
545 struct vnode **vpp, struct componentname *cnp,
546 struct vattr *vap, char *target)
548 struct vop_old_symlink_args ap;
551 ap.a_head.a_desc = &vop_old_symlink_desc;
552 ap.a_head.a_ops = ops;
557 ap.a_target = target;
559 DO_OPS(ops, error, &ap, vop_old_symlink);
564 vop_readdir(struct vop_ops *ops, struct vnode *vp, struct uio *uio,
565 struct ucred *cred, int *eofflag, int *ncookies, off_t **cookies)
567 struct vop_readdir_args ap;
570 ap.a_head.a_desc = &vop_readdir_desc;
571 ap.a_head.a_ops = ops;
575 ap.a_eofflag = eofflag;
576 ap.a_ncookies = ncookies;
577 ap.a_cookies = cookies;
579 DO_OPS(ops, error, &ap, vop_readdir);
584 vop_readlink(struct vop_ops *ops, struct vnode *vp, struct uio *uio,
587 struct vop_readlink_args ap;
590 ap.a_head.a_desc = &vop_readlink_desc;
591 ap.a_head.a_ops = ops;
596 DO_OPS(ops, error, &ap, vop_readlink);
601 vop_inactive(struct vop_ops *ops, struct vnode *vp)
603 struct vop_inactive_args ap;
606 ap.a_head.a_desc = &vop_inactive_desc;
607 ap.a_head.a_ops = ops;
610 DO_OPS(ops, error, &ap, vop_inactive);
615 vop_reclaim(struct vop_ops *ops, struct vnode *vp)
617 struct vop_reclaim_args ap;
620 ap.a_head.a_desc = &vop_reclaim_desc;
621 ap.a_head.a_ops = ops;
624 DO_OPS(ops, error, &ap, vop_reclaim);
629 vop_bmap(struct vop_ops *ops, struct vnode *vp, off_t loffset,
630 off_t *doffsetp, int *runp, int *runb)
632 struct vop_bmap_args ap;
635 ap.a_head.a_desc = &vop_bmap_desc;
636 ap.a_head.a_ops = ops;
638 ap.a_loffset = loffset;
639 ap.a_doffsetp = doffsetp;
643 DO_OPS(ops, error, &ap, vop_bmap);
648 vop_strategy(struct vop_ops *ops, struct vnode *vp, struct bio *bio)
650 struct vop_strategy_args ap;
653 ap.a_head.a_desc = &vop_strategy_desc;
654 ap.a_head.a_ops = ops;
658 DO_OPS(ops, error, &ap, vop_strategy);
659 if (error == 0 && bio->bio_buf->b_cmd != BUF_CMD_READ)
660 cache_update_fsmid_vp(vp);
665 vop_print(struct vop_ops *ops, struct vnode *vp)
667 struct vop_print_args ap;
670 ap.a_head.a_desc = &vop_print_desc;
671 ap.a_head.a_ops = ops;
674 DO_OPS(ops, error, &ap, vop_print);
679 vop_pathconf(struct vop_ops *ops, struct vnode *vp, int name,
682 struct vop_pathconf_args ap;
685 ap.a_head.a_desc = &vop_pathconf_desc;
686 ap.a_head.a_ops = ops;
689 ap.a_retval = retval;
691 DO_OPS(ops, error, &ap, vop_pathconf);
696 vop_advlock(struct vop_ops *ops, struct vnode *vp, caddr_t id, int op,
697 struct flock *fl, int flags)
699 struct vop_advlock_args ap;
702 ap.a_head.a_desc = &vop_advlock_desc;
703 ap.a_head.a_ops = ops;
710 DO_OPS(ops, error, &ap, vop_advlock);
715 vop_balloc(struct vop_ops *ops, struct vnode *vp, off_t startoffset,
716 int size, struct ucred *cred, int flags,
719 struct vop_balloc_args ap;
722 ap.a_head.a_desc = &vop_balloc_desc;
723 ap.a_head.a_ops = ops;
725 ap.a_startoffset = startoffset;
731 DO_OPS(ops, error, &ap, vop_balloc);
736 vop_reallocblks(struct vop_ops *ops, struct vnode *vp,
737 struct cluster_save *buflist)
739 struct vop_reallocblks_args ap;
742 ap.a_head.a_desc = &vop_reallocblks_desc;
743 ap.a_head.a_ops = ops;
745 ap.a_buflist = buflist;
747 DO_OPS(ops, error, &ap, vop_reallocblks);
752 vop_getpages(struct vop_ops *ops, struct vnode *vp, vm_page_t *m, int count,
753 int reqpage, vm_ooffset_t offset)
755 struct vop_getpages_args ap;
758 ap.a_head.a_desc = &vop_getpages_desc;
759 ap.a_head.a_ops = ops;
763 ap.a_reqpage = reqpage;
764 ap.a_offset = offset;
766 DO_OPS(ops, error, &ap, vop_getpages);
771 vop_putpages(struct vop_ops *ops, struct vnode *vp, vm_page_t *m, int count,
772 int sync, int *rtvals, vm_ooffset_t offset)
774 struct vop_putpages_args ap;
777 ap.a_head.a_desc = &vop_putpages_desc;
778 ap.a_head.a_ops = ops;
783 ap.a_rtvals = rtvals;
784 ap.a_offset = offset;
786 DO_OPS(ops, error, &ap, vop_putpages);
788 cache_update_fsmid_vp(vp);
793 vop_freeblks(struct vop_ops *ops, struct vnode *vp, off_t offset, int length)
795 struct vop_freeblks_args ap;
798 ap.a_head.a_desc = &vop_freeblks_desc;
799 ap.a_head.a_ops = ops;
801 ap.a_offset = offset;
802 ap.a_length = length;
804 DO_OPS(ops, error, &ap, vop_freeblks);
809 vop_getacl(struct vop_ops *ops, struct vnode *vp, acl_type_t type,
810 struct acl *aclp, struct ucred *cred)
812 struct vop_getacl_args ap;
815 ap.a_head.a_desc = &vop_getacl_desc;
816 ap.a_head.a_ops = ops;
822 DO_OPS(ops, error, &ap, vop_getacl);
827 vop_setacl(struct vop_ops *ops, struct vnode *vp, acl_type_t type,
828 struct acl *aclp, struct ucred *cred)
830 struct vop_setacl_args ap;
833 ap.a_head.a_desc = &vop_setacl_desc;
834 ap.a_head.a_ops = ops;
840 DO_OPS(ops, error, &ap, vop_setacl);
842 cache_update_fsmid_vp(vp);
847 vop_aclcheck(struct vop_ops *ops, struct vnode *vp, acl_type_t type,
848 struct acl *aclp, struct ucred *cred)
850 struct vop_aclcheck_args ap;
853 ap.a_head.a_desc = &vop_aclcheck_desc;
854 ap.a_head.a_ops = ops;
860 DO_OPS(ops, error, &ap, vop_aclcheck);
865 vop_getextattr(struct vop_ops *ops, struct vnode *vp, char *name,
866 struct uio *uio, struct ucred *cred)
868 struct vop_getextattr_args ap;
871 ap.a_head.a_desc = &vop_getextattr_desc;
872 ap.a_head.a_ops = ops;
878 DO_OPS(ops, error, &ap, vop_getextattr);
883 vop_setextattr(struct vop_ops *ops, struct vnode *vp, char *name,
884 struct uio *uio, struct ucred *cred)
886 struct vop_setextattr_args ap;
889 ap.a_head.a_desc = &vop_setextattr_desc;
890 ap.a_head.a_ops = ops;
896 DO_OPS(ops, error, &ap, vop_setextattr);
898 cache_update_fsmid_vp(vp);
903 vop_mountctl(struct vop_ops *ops, int op, struct file *fp,
904 const void *ctl, int ctllen, void *buf, int buflen, int *res)
906 struct vop_mountctl_args ap;
909 ap.a_head.a_desc = &vop_mountctl_desc;
910 ap.a_head.a_ops = ops;
914 ap.a_ctllen = ctllen;
916 ap.a_buflen = buflen;
919 DO_OPS(ops, error, &ap, vop_mountctl);
926 * nresolve takes a locked ncp and a cred and resolves the ncp into a
927 * positive or negative hit.
929 * The namecache is automatically adjusted by this function. The ncp
930 * is left locked on return.
933 vop_nresolve(struct vop_ops *ops, struct nchandle *nch,
934 struct vnode *dvp, struct ucred *cred)
936 struct vop_nresolve_args ap;
939 ap.a_head.a_desc = &vop_nresolve_desc;
940 ap.a_head.a_ops = ops;
945 DO_OPS(ops, error, &ap, vop_nresolve);
950 * nlookupdotdot takes an unlocked directory, dvp, and looks up "..", returning
951 * a locked parent directory in *vpp. If an error occurs *vpp will be NULL.
954 vop_nlookupdotdot(struct vop_ops *ops, struct vnode *dvp,
955 struct vnode **vpp, struct ucred *cred, char **fakename)
957 struct vop_nlookupdotdot_args ap;
960 ap.a_head.a_desc = &vop_nlookupdotdot_desc;
961 ap.a_head.a_ops = ops;
965 ap.a_fakename = fakename;
967 DO_OPS(ops, error, &ap, vop_nlookupdotdot);
972 * ncreate takes a locked, resolved ncp that typically represents a negative
973 * cache hit and creates the file or node specified by the ncp, cred, and
974 * vattr. If no error occurs a locked vnode is returned in *vpp.
976 * The namecache is automatically adjusted by this function. The ncp
977 * is left locked on return.
980 vop_ncreate(struct vop_ops *ops, struct nchandle *nch, struct vnode *dvp,
981 struct vnode **vpp, struct ucred *cred, struct vattr *vap)
983 struct vop_ncreate_args ap;
986 ap.a_head.a_desc = &vop_ncreate_desc;
987 ap.a_head.a_ops = ops;
994 DO_OPS(ops, error, &ap, vop_ncreate);
995 if (error == 0 && *vpp)
996 cache_update_fsmid_vp(*vpp);
1001 * nmkdir takes a locked, resolved ncp that typically represents a negative
1002 * cache hit and creates the directory specified by the ncp, cred, and
1003 * vattr. If no error occurs a locked vnode is returned in *vpp.
1005 * The namecache is automatically adjusted by this function. The ncp
1006 * is left locked on return.
1009 vop_nmkdir(struct vop_ops *ops, struct nchandle *nch, struct vnode *dvp,
1010 struct vnode **vpp, struct ucred *cred, struct vattr *vap)
1012 struct vop_nmkdir_args ap;
1015 ap.a_head.a_desc = &vop_nmkdir_desc;
1016 ap.a_head.a_ops = ops;
1023 DO_OPS(ops, error, &ap, vop_nmkdir);
1024 if (error == 0 && *vpp)
1025 cache_update_fsmid_vp(*vpp);
1030 * nmknod takes a locked, resolved ncp that typically represents a negative
1031 * cache hit and creates the node specified by the ncp, cred, and
1032 * vattr. If no error occurs a locked vnode is returned in *vpp.
1034 * The namecache is automatically adjusted by this function. The ncp
1035 * is left locked on return.
1038 vop_nmknod(struct vop_ops *ops, struct nchandle *nch, struct vnode *dvp,
1039 struct vnode **vpp, struct ucred *cred, struct vattr *vap)
1041 struct vop_nmknod_args ap;
1044 ap.a_head.a_desc = &vop_nmknod_desc;
1045 ap.a_head.a_ops = ops;
1052 DO_OPS(ops, error, &ap, vop_nmknod);
1053 if (error == 0 && *vpp)
1054 cache_update_fsmid_vp(*vpp);
1059 * nlink takes a locked, resolved ncp that typically represents a negative
1060 * cache hit and creates the node specified by the ncp, cred, and
1061 * existing vnode. The passed vp must be locked and will remain locked
1062 * on return, as does the ncp, whether an error occurs or not.
1064 * The namecache is automatically adjusted by this function. The ncp
1065 * is left locked on return.
1068 vop_nlink(struct vop_ops *ops, struct nchandle *nch, struct vnode *dvp,
1069 struct vnode *vp, struct ucred *cred)
1071 struct vop_nlink_args ap;
1074 ap.a_head.a_desc = &vop_nlink_desc;
1075 ap.a_head.a_ops = ops;
1081 DO_OPS(ops, error, &ap, vop_nlink);
1083 cache_update_fsmid(nch);
1088 * nsymlink takes a locked, resolved ncp that typically represents a negative
1089 * cache hit and creates a symbolic link based on cred, vap, and target (the
1090 * contents of the link). If no error occurs a locked vnode is returned in
1093 * The namecache is automatically adjusted by this function. The ncp
1094 * is left locked on return.
1097 vop_nsymlink(struct vop_ops *ops, struct nchandle *nch, struct vnode *dvp,
1098 struct vnode **vpp, struct ucred *cred,
1099 struct vattr *vap, char *target)
1101 struct vop_nsymlink_args ap;
1104 ap.a_head.a_desc = &vop_nsymlink_desc;
1105 ap.a_head.a_ops = ops;
1111 ap.a_target = target;
1113 DO_OPS(ops, error, &ap, vop_nsymlink);
1115 cache_update_fsmid(nch);
1120 * nwhiteout takes a locked, resolved ncp that can represent a positive or
1121 * negative hit and executes the whiteout function specified in flags.
1123 * The namecache is automatically adjusted by this function. The ncp
1124 * is left locked on return.
1127 vop_nwhiteout(struct vop_ops *ops, struct nchandle *nch, struct vnode *dvp,
1128 struct ucred *cred, int flags)
1130 struct vop_nwhiteout_args ap;
1133 ap.a_head.a_desc = &vop_nwhiteout_desc;
1134 ap.a_head.a_ops = ops;
1140 DO_OPS(ops, error, &ap, vop_nwhiteout);
1142 cache_update_fsmid(nch);
1147 * nremove takes a locked, resolved ncp that generally represents a
1148 * positive hit and removes the file.
1150 * The namecache is automatically adjusted by this function. The ncp
1151 * is left locked on return.
1154 vop_nremove(struct vop_ops *ops, struct nchandle *nch, struct vnode *dvp,
1157 struct vop_nremove_args ap;
1160 ap.a_head.a_desc = &vop_nremove_desc;
1161 ap.a_head.a_ops = ops;
1166 DO_OPS(ops, error, &ap, vop_nremove);
1168 cache_update_fsmid(nch);
1173 * nrmdir takes a locked, resolved ncp that generally represents a
1174 * directory and removes the directory.
1176 * The namecache is automatically adjusted by this function. The ncp
1177 * is left locked on return.
1180 vop_nrmdir(struct vop_ops *ops, struct nchandle *nch, struct vnode *dvp,
1183 struct vop_nrmdir_args ap;
1186 ap.a_head.a_desc = &vop_nrmdir_desc;
1187 ap.a_head.a_ops = ops;
1192 DO_OPS(ops, error, &ap, vop_nrmdir);
1194 cache_update_fsmid(nch);
1199 * nrename takes TWO locked, resolved ncp's and the cred of the caller
1200 * and renames the source ncp to the target ncp. The target ncp may
1201 * represent a positive or negative hit.
1203 * The namecache is automatically adjusted by this function. The ncp
1204 * is left locked on return. The source ncp is typically changed to
1205 * a negative cache hit and the target ncp typically takes on the
1206 * source ncp's underlying file.
1209 vop_nrename(struct vop_ops *ops,
1210 struct nchandle *fnch, struct nchandle *tnch,
1211 struct vnode *fdvp, struct vnode *tdvp,
1214 struct vop_nrename_args ap;
1217 ap.a_head.a_desc = &vop_nrename_desc;
1218 ap.a_head.a_ops = ops;
1225 DO_OPS(ops, error, &ap, vop_nrename);
1227 cache_update_fsmid(fnch);
1228 cache_update_fsmid(tnch);
1233 /************************************************************************
1234 * PRIMARY VNODE OPERATIONS FORWARDING CALLS *
1235 ************************************************************************
1237 * These procedures are called from VFSs such as unionfs and nullfs
1238 * when they wish to forward an operation on one VFS to another. The
1239 * argument structure/message is modified and then directly passed to the
1240 * appropriate routine. This routines may also be called by initiators
1241 * who have an argument structure in hand rather then discreet arguments.
1244 vop_vnoperate_ap(struct vop_generic_args *ap)
1246 struct vop_ops *ops;
1250 error = VOCALL(ops, ap);
1256 * This routine is called by the cache coherency layer to execute the actual
1257 * VFS operation. If a journaling layer is present we call though it, else
1258 * we call the native VOP functions.
1261 vop_cache_operate_ap(struct vop_generic_args *ap)
1263 struct vop_ops *ops;
1267 if (ops->head.vv_mount->mnt_vn_journal_ops)
1268 error = VOCALL(ops->head.vv_mount->mnt_vn_journal_ops, ap);
1270 error = VOCALL(ops->head.vv_mount->mnt_vn_norm_ops, ap);
1276 * This routine is called by the journaling layer to execute the actual
1280 vop_journal_operate_ap(struct vop_generic_args *ap)
1282 struct vop_ops *ops;
1286 error = VOCALL(ops->head.vv_mount->mnt_vn_norm_ops, ap);
1292 vop_open_ap(struct vop_open_args *ap)
1296 DO_OPS(ap->a_head.a_ops, error, ap, vop_open);
1301 vop_close_ap(struct vop_close_args *ap)
1305 DO_OPS(ap->a_head.a_ops, error, ap, vop_close);
1310 vop_access_ap(struct vop_access_args *ap)
1314 DO_OPS(ap->a_head.a_ops, error, ap, vop_access);
1319 vop_getattr_ap(struct vop_getattr_args *ap)
1323 DO_OPS(ap->a_head.a_ops, error, ap, vop_getattr);
1328 vop_setattr_ap(struct vop_setattr_args *ap)
1332 DO_OPS(ap->a_head.a_ops, error, ap, vop_setattr);
1337 vop_read_ap(struct vop_read_args *ap)
1341 DO_OPS(ap->a_head.a_ops, error, ap, vop_read);
1346 vop_write_ap(struct vop_write_args *ap)
1350 DO_OPS(ap->a_head.a_ops, error, ap, vop_write);
1355 vop_ioctl_ap(struct vop_ioctl_args *ap)
1359 DO_OPS(ap->a_head.a_ops, error, ap, vop_ioctl);
1364 vop_poll_ap(struct vop_poll_args *ap)
1368 DO_OPS(ap->a_head.a_ops, error, ap, vop_poll);
1373 vop_kqfilter_ap(struct vop_kqfilter_args *ap)
1377 DO_OPS(ap->a_head.a_ops, error, ap, vop_kqfilter);
1382 vop_revoke_ap(struct vop_revoke_args *ap)
1386 DO_OPS(ap->a_head.a_ops, error, ap, vop_revoke);
1391 vop_mmap_ap(struct vop_mmap_args *ap)
1395 DO_OPS(ap->a_head.a_ops, error, ap, vop_mmap);
1400 vop_fsync_ap(struct vop_fsync_args *ap)
1404 DO_OPS(ap->a_head.a_ops, error, ap, vop_fsync);
1409 vop_readdir_ap(struct vop_readdir_args *ap)
1413 DO_OPS(ap->a_head.a_ops, error, ap, vop_readdir);
1418 vop_readlink_ap(struct vop_readlink_args *ap)
1422 DO_OPS(ap->a_head.a_ops, error, ap, vop_readlink);
1427 vop_inactive_ap(struct vop_inactive_args *ap)
1431 DO_OPS(ap->a_head.a_ops, error, ap, vop_inactive);
1436 vop_reclaim_ap(struct vop_reclaim_args *ap)
1440 DO_OPS(ap->a_head.a_ops, error, ap, vop_reclaim);
1445 vop_bmap_ap(struct vop_bmap_args *ap)
1449 DO_OPS(ap->a_head.a_ops, error, ap, vop_bmap);
1454 vop_strategy_ap(struct vop_strategy_args *ap)
1458 DO_OPS(ap->a_head.a_ops, error, ap, vop_strategy);
1463 vop_print_ap(struct vop_print_args *ap)
1467 DO_OPS(ap->a_head.a_ops, error, ap, vop_print);
1472 vop_pathconf_ap(struct vop_pathconf_args *ap)
1476 DO_OPS(ap->a_head.a_ops, error, ap, vop_pathconf);
1481 vop_advlock_ap(struct vop_advlock_args *ap)
1485 DO_OPS(ap->a_head.a_ops, error, ap, vop_advlock);
1490 vop_balloc_ap(struct vop_balloc_args *ap)
1494 DO_OPS(ap->a_head.a_ops, error, ap, vop_balloc);
1499 vop_reallocblks_ap(struct vop_reallocblks_args *ap)
1503 DO_OPS(ap->a_head.a_ops, error, ap, vop_reallocblks);
1508 vop_getpages_ap(struct vop_getpages_args *ap)
1512 DO_OPS(ap->a_head.a_ops, error, ap, vop_getpages);
1517 vop_putpages_ap(struct vop_putpages_args *ap)
1521 DO_OPS(ap->a_head.a_ops, error, ap, vop_putpages);
1526 vop_freeblks_ap(struct vop_freeblks_args *ap)
1530 DO_OPS(ap->a_head.a_ops, error, ap, vop_freeblks);
1535 vop_getacl_ap(struct vop_getacl_args *ap)
1539 DO_OPS(ap->a_head.a_ops, error, ap, vop_getacl);
1544 vop_setacl_ap(struct vop_setacl_args *ap)
1548 DO_OPS(ap->a_head.a_ops, error, ap, vop_setacl);
1553 vop_aclcheck_ap(struct vop_aclcheck_args *ap)
1557 DO_OPS(ap->a_head.a_ops, error, ap, vop_aclcheck);
1562 vop_getextattr_ap(struct vop_getextattr_args *ap)
1566 DO_OPS(ap->a_head.a_ops, error, ap, vop_getextattr);
1571 vop_setextattr_ap(struct vop_setextattr_args *ap)
1575 DO_OPS(ap->a_head.a_ops, error, ap, vop_setextattr);
1580 vop_mountctl_ap(struct vop_mountctl_args *ap)
1584 DO_OPS(ap->a_head.a_ops, error, ap, vop_mountctl);
1589 vop_nresolve_ap(struct vop_nresolve_args *ap)
1593 DO_OPS(ap->a_head.a_ops, error, ap, vop_nresolve);
1598 vop_nlookupdotdot_ap(struct vop_nlookupdotdot_args *ap)
1602 DO_OPS(ap->a_head.a_ops, error, ap, vop_nlookupdotdot);
1607 vop_ncreate_ap(struct vop_ncreate_args *ap)
1611 DO_OPS(ap->a_head.a_ops, error, ap, vop_ncreate);
1616 vop_nmkdir_ap(struct vop_nmkdir_args *ap)
1620 DO_OPS(ap->a_head.a_ops, error, ap, vop_nmkdir);
1625 vop_nmknod_ap(struct vop_nmknod_args *ap)
1629 DO_OPS(ap->a_head.a_ops, error, ap, vop_nmknod);
1634 vop_nlink_ap(struct vop_nlink_args *ap)
1638 DO_OPS(ap->a_head.a_ops, error, ap, vop_nlink);
1643 vop_nsymlink_ap(struct vop_nsymlink_args *ap)
1647 DO_OPS(ap->a_head.a_ops, error, ap, vop_nsymlink);
1652 vop_nwhiteout_ap(struct vop_nwhiteout_args *ap)
1656 DO_OPS(ap->a_head.a_ops, error, ap, vop_nwhiteout);
1661 vop_nremove_ap(struct vop_nremove_args *ap)
1665 DO_OPS(ap->a_head.a_ops, error, ap, vop_nremove);
1670 vop_nrmdir_ap(struct vop_nrmdir_args *ap)
1674 DO_OPS(ap->a_head.a_ops, error, ap, vop_nrmdir);
1679 vop_nrename_ap(struct vop_nrename_args *ap)
1683 DO_OPS(ap->a_head.a_ops, error, ap, vop_nrename);