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 1.39 2008/06/19 23:27:35 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
, buf_cmd_t cmd
)
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
;
644 DO_OPS(ops
, error
, &ap
, vop_bmap
);
649 vop_strategy(struct vop_ops
*ops
, struct vnode
*vp
, struct bio
*bio
)
651 struct vop_strategy_args ap
;
654 ap
.a_head
.a_desc
= &vop_strategy_desc
;
655 ap
.a_head
.a_ops
= ops
;
659 DO_OPS(ops
, error
, &ap
, vop_strategy
);
660 if (error
== 0 && bio
->bio_buf
->b_cmd
!= BUF_CMD_READ
)
661 cache_update_fsmid_vp(vp
);
666 vop_print(struct vop_ops
*ops
, struct vnode
*vp
)
668 struct vop_print_args ap
;
671 ap
.a_head
.a_desc
= &vop_print_desc
;
672 ap
.a_head
.a_ops
= ops
;
675 DO_OPS(ops
, error
, &ap
, vop_print
);
680 vop_pathconf(struct vop_ops
*ops
, struct vnode
*vp
, int name
,
683 struct vop_pathconf_args ap
;
686 ap
.a_head
.a_desc
= &vop_pathconf_desc
;
687 ap
.a_head
.a_ops
= ops
;
690 ap
.a_retval
= retval
;
692 DO_OPS(ops
, error
, &ap
, vop_pathconf
);
697 vop_advlock(struct vop_ops
*ops
, struct vnode
*vp
, caddr_t id
, int op
,
698 struct flock
*fl
, int flags
)
700 struct vop_advlock_args ap
;
703 ap
.a_head
.a_desc
= &vop_advlock_desc
;
704 ap
.a_head
.a_ops
= ops
;
711 DO_OPS(ops
, error
, &ap
, vop_advlock
);
716 vop_balloc(struct vop_ops
*ops
, struct vnode
*vp
, off_t startoffset
,
717 int size
, struct ucred
*cred
, int flags
,
720 struct vop_balloc_args ap
;
723 ap
.a_head
.a_desc
= &vop_balloc_desc
;
724 ap
.a_head
.a_ops
= ops
;
726 ap
.a_startoffset
= startoffset
;
732 DO_OPS(ops
, error
, &ap
, vop_balloc
);
737 vop_reallocblks(struct vop_ops
*ops
, struct vnode
*vp
,
738 struct cluster_save
*buflist
)
740 struct vop_reallocblks_args ap
;
743 ap
.a_head
.a_desc
= &vop_reallocblks_desc
;
744 ap
.a_head
.a_ops
= ops
;
746 ap
.a_buflist
= buflist
;
748 DO_OPS(ops
, error
, &ap
, vop_reallocblks
);
753 vop_getpages(struct vop_ops
*ops
, struct vnode
*vp
, vm_page_t
*m
, int count
,
754 int reqpage
, vm_ooffset_t offset
)
756 struct vop_getpages_args ap
;
759 ap
.a_head
.a_desc
= &vop_getpages_desc
;
760 ap
.a_head
.a_ops
= ops
;
764 ap
.a_reqpage
= reqpage
;
765 ap
.a_offset
= offset
;
767 DO_OPS(ops
, error
, &ap
, vop_getpages
);
772 vop_putpages(struct vop_ops
*ops
, struct vnode
*vp
, vm_page_t
*m
, int count
,
773 int sync
, int *rtvals
, vm_ooffset_t offset
)
775 struct vop_putpages_args ap
;
778 ap
.a_head
.a_desc
= &vop_putpages_desc
;
779 ap
.a_head
.a_ops
= ops
;
784 ap
.a_rtvals
= rtvals
;
785 ap
.a_offset
= offset
;
787 DO_OPS(ops
, error
, &ap
, vop_putpages
);
789 cache_update_fsmid_vp(vp
);
794 vop_freeblks(struct vop_ops
*ops
, struct vnode
*vp
, off_t offset
, int length
)
796 struct vop_freeblks_args ap
;
799 ap
.a_head
.a_desc
= &vop_freeblks_desc
;
800 ap
.a_head
.a_ops
= ops
;
802 ap
.a_offset
= offset
;
803 ap
.a_length
= length
;
805 DO_OPS(ops
, error
, &ap
, vop_freeblks
);
810 vop_getacl(struct vop_ops
*ops
, struct vnode
*vp
, acl_type_t type
,
811 struct acl
*aclp
, struct ucred
*cred
)
813 struct vop_getacl_args ap
;
816 ap
.a_head
.a_desc
= &vop_getacl_desc
;
817 ap
.a_head
.a_ops
= ops
;
823 DO_OPS(ops
, error
, &ap
, vop_getacl
);
828 vop_setacl(struct vop_ops
*ops
, struct vnode
*vp
, acl_type_t type
,
829 struct acl
*aclp
, struct ucred
*cred
)
831 struct vop_setacl_args ap
;
834 ap
.a_head
.a_desc
= &vop_setacl_desc
;
835 ap
.a_head
.a_ops
= ops
;
841 DO_OPS(ops
, error
, &ap
, vop_setacl
);
843 cache_update_fsmid_vp(vp
);
848 vop_aclcheck(struct vop_ops
*ops
, struct vnode
*vp
, acl_type_t type
,
849 struct acl
*aclp
, struct ucred
*cred
)
851 struct vop_aclcheck_args ap
;
854 ap
.a_head
.a_desc
= &vop_aclcheck_desc
;
855 ap
.a_head
.a_ops
= ops
;
861 DO_OPS(ops
, error
, &ap
, vop_aclcheck
);
866 vop_getextattr(struct vop_ops
*ops
, struct vnode
*vp
, char *name
,
867 struct uio
*uio
, struct ucred
*cred
)
869 struct vop_getextattr_args ap
;
872 ap
.a_head
.a_desc
= &vop_getextattr_desc
;
873 ap
.a_head
.a_ops
= ops
;
879 DO_OPS(ops
, error
, &ap
, vop_getextattr
);
884 vop_setextattr(struct vop_ops
*ops
, struct vnode
*vp
, char *name
,
885 struct uio
*uio
, struct ucred
*cred
)
887 struct vop_setextattr_args ap
;
890 ap
.a_head
.a_desc
= &vop_setextattr_desc
;
891 ap
.a_head
.a_ops
= ops
;
897 DO_OPS(ops
, error
, &ap
, vop_setextattr
);
899 cache_update_fsmid_vp(vp
);
904 vop_mountctl(struct vop_ops
*ops
, int op
, struct file
*fp
,
905 const void *ctl
, int ctllen
, void *buf
, int buflen
, int *res
)
907 struct vop_mountctl_args ap
;
910 ap
.a_head
.a_desc
= &vop_mountctl_desc
;
911 ap
.a_head
.a_ops
= ops
;
915 ap
.a_ctllen
= ctllen
;
917 ap
.a_buflen
= buflen
;
920 DO_OPS(ops
, error
, &ap
, vop_mountctl
);
927 * nresolve takes a locked ncp, a referenced but unlocked dvp, and a cred,
928 * and resolves the ncp into a positive or negative hit.
930 * The namecache is automatically adjusted by this function. The ncp
931 * is left locked on return.
934 vop_nresolve(struct vop_ops
*ops
, struct nchandle
*nch
,
935 struct vnode
*dvp
, struct ucred
*cred
)
937 struct vop_nresolve_args ap
;
940 ap
.a_head
.a_desc
= &vop_nresolve_desc
;
941 ap
.a_head
.a_ops
= ops
;
946 DO_OPS(ops
, error
, &ap
, vop_nresolve
);
951 * nlookupdotdot takes an unlocked directory, referenced dvp, and looks
952 * up "..", returning a locked parent directory in *vpp. If an error
953 * occurs *vpp will be NULL.
956 vop_nlookupdotdot(struct vop_ops
*ops
, struct vnode
*dvp
,
957 struct vnode
**vpp
, struct ucred
*cred
, char **fakename
)
959 struct vop_nlookupdotdot_args ap
;
962 ap
.a_head
.a_desc
= &vop_nlookupdotdot_desc
;
963 ap
.a_head
.a_ops
= ops
;
967 ap
.a_fakename
= fakename
;
969 DO_OPS(ops
, error
, &ap
, vop_nlookupdotdot
);
974 * ncreate takes a locked, resolved ncp that typically represents a negative
975 * cache hit and creates the file or node specified by the ncp, cred, and
976 * vattr. If no error occurs a locked vnode is returned in *vpp.
978 * The dvp passed in is referenced but unlocked.
980 * The namecache is automatically adjusted by this function. The ncp
981 * is left locked on return.
984 vop_ncreate(struct vop_ops
*ops
, struct nchandle
*nch
, struct vnode
*dvp
,
985 struct vnode
**vpp
, struct ucred
*cred
, struct vattr
*vap
)
987 struct vop_ncreate_args ap
;
990 ap
.a_head
.a_desc
= &vop_ncreate_desc
;
991 ap
.a_head
.a_ops
= ops
;
998 DO_OPS(ops
, error
, &ap
, vop_ncreate
);
999 if (error
== 0 && *vpp
)
1000 cache_update_fsmid_vp(*vpp
);
1005 * nmkdir takes a locked, resolved ncp that typically represents a negative
1006 * cache hit and creates the directory specified by the ncp, cred, and
1007 * vattr. If no error occurs a locked vnode is returned in *vpp.
1009 * The dvp passed in is referenced but unlocked.
1011 * The namecache is automatically adjusted by this function. The ncp
1012 * is left locked on return.
1015 vop_nmkdir(struct vop_ops
*ops
, struct nchandle
*nch
, struct vnode
*dvp
,
1016 struct vnode
**vpp
, struct ucred
*cred
, struct vattr
*vap
)
1018 struct vop_nmkdir_args ap
;
1021 ap
.a_head
.a_desc
= &vop_nmkdir_desc
;
1022 ap
.a_head
.a_ops
= ops
;
1029 DO_OPS(ops
, error
, &ap
, vop_nmkdir
);
1030 if (error
== 0 && *vpp
)
1031 cache_update_fsmid_vp(*vpp
);
1036 * nmknod takes a locked, resolved ncp that typically represents a negative
1037 * cache hit and creates the node specified by the ncp, cred, and
1038 * vattr. If no error occurs a locked vnode is returned in *vpp.
1040 * The dvp passed in is referenced but unlocked.
1042 * The namecache is automatically adjusted by this function. The ncp
1043 * is left locked on return.
1046 vop_nmknod(struct vop_ops
*ops
, struct nchandle
*nch
, struct vnode
*dvp
,
1047 struct vnode
**vpp
, struct ucred
*cred
, struct vattr
*vap
)
1049 struct vop_nmknod_args ap
;
1052 ap
.a_head
.a_desc
= &vop_nmknod_desc
;
1053 ap
.a_head
.a_ops
= ops
;
1060 DO_OPS(ops
, error
, &ap
, vop_nmknod
);
1061 if (error
== 0 && *vpp
)
1062 cache_update_fsmid_vp(*vpp
);
1067 * nlink takes a locked, resolved ncp that typically represents a negative
1068 * cache hit and creates the node specified by the ncp, cred, and
1069 * existing vnode. The passed vp must be locked and will remain locked
1070 * on return, as does the ncp, whether an error occurs or not.
1072 * The dvp passed in is referenced but unlocked.
1074 * The namecache is automatically adjusted by this function. The ncp
1075 * is left locked on return.
1078 vop_nlink(struct vop_ops
*ops
, struct nchandle
*nch
, struct vnode
*dvp
,
1079 struct vnode
*vp
, struct ucred
*cred
)
1081 struct vop_nlink_args ap
;
1084 ap
.a_head
.a_desc
= &vop_nlink_desc
;
1085 ap
.a_head
.a_ops
= ops
;
1091 DO_OPS(ops
, error
, &ap
, vop_nlink
);
1093 cache_update_fsmid(nch
);
1098 * nsymlink takes a locked, resolved ncp that typically represents a negative
1099 * cache hit and creates a symbolic link based on cred, vap, and target (the
1100 * contents of the link). If no error occurs a locked vnode is returned in
1103 * The dvp passed in is referenced but unlocked.
1105 * The namecache is automatically adjusted by this function. The ncp
1106 * is left locked on return.
1109 vop_nsymlink(struct vop_ops
*ops
, struct nchandle
*nch
, struct vnode
*dvp
,
1110 struct vnode
**vpp
, struct ucred
*cred
,
1111 struct vattr
*vap
, char *target
)
1113 struct vop_nsymlink_args ap
;
1116 ap
.a_head
.a_desc
= &vop_nsymlink_desc
;
1117 ap
.a_head
.a_ops
= ops
;
1123 ap
.a_target
= target
;
1125 DO_OPS(ops
, error
, &ap
, vop_nsymlink
);
1127 cache_update_fsmid(nch
);
1132 * nwhiteout takes a locked, resolved ncp that can represent a positive or
1133 * negative hit and executes the whiteout function specified in flags.
1135 * The dvp passed in is referenced but unlocked.
1137 * The namecache is automatically adjusted by this function. The ncp
1138 * is left locked on return.
1141 vop_nwhiteout(struct vop_ops
*ops
, struct nchandle
*nch
, struct vnode
*dvp
,
1142 struct ucred
*cred
, int flags
)
1144 struct vop_nwhiteout_args ap
;
1147 ap
.a_head
.a_desc
= &vop_nwhiteout_desc
;
1148 ap
.a_head
.a_ops
= ops
;
1154 DO_OPS(ops
, error
, &ap
, vop_nwhiteout
);
1156 cache_update_fsmid(nch
);
1161 * nremove takes a locked, resolved ncp that generally represents a
1162 * positive hit and removes the file.
1164 * The dvp passed in is referenced but unlocked.
1166 * The namecache is automatically adjusted by this function. The ncp
1167 * is left locked on return.
1170 vop_nremove(struct vop_ops
*ops
, struct nchandle
*nch
, struct vnode
*dvp
,
1173 struct vop_nremove_args ap
;
1176 ap
.a_head
.a_desc
= &vop_nremove_desc
;
1177 ap
.a_head
.a_ops
= ops
;
1182 DO_OPS(ops
, error
, &ap
, vop_nremove
);
1184 cache_update_fsmid(nch
);
1189 * nrmdir takes a locked, resolved ncp that generally represents a
1190 * directory and removes the directory.
1192 * The dvp passed in is referenced but unlocked.
1194 * The namecache is automatically adjusted by this function. The ncp
1195 * is left locked on return.
1198 vop_nrmdir(struct vop_ops
*ops
, struct nchandle
*nch
, struct vnode
*dvp
,
1201 struct vop_nrmdir_args ap
;
1204 ap
.a_head
.a_desc
= &vop_nrmdir_desc
;
1205 ap
.a_head
.a_ops
= ops
;
1210 DO_OPS(ops
, error
, &ap
, vop_nrmdir
);
1212 cache_update_fsmid(nch
);
1217 * nrename takes TWO locked, resolved ncp's and the cred of the caller
1218 * and renames the source ncp to the target ncp. The target ncp may
1219 * represent a positive or negative hit.
1221 * The fdvp and tdvp passed in are referenced but unlocked.
1223 * The namecache is automatically adjusted by this function. The ncp
1224 * is left locked on return. The source ncp is typically changed to
1225 * a negative cache hit and the target ncp typically takes on the
1226 * source ncp's underlying file.
1229 vop_nrename(struct vop_ops
*ops
,
1230 struct nchandle
*fnch
, struct nchandle
*tnch
,
1231 struct vnode
*fdvp
, struct vnode
*tdvp
,
1234 struct vop_nrename_args ap
;
1237 ap
.a_head
.a_desc
= &vop_nrename_desc
;
1238 ap
.a_head
.a_ops
= ops
;
1245 DO_OPS(ops
, error
, &ap
, vop_nrename
);
1247 cache_update_fsmid(fnch
);
1248 cache_update_fsmid(tnch
);
1253 /************************************************************************
1254 * PRIMARY VNODE OPERATIONS FORWARDING CALLS *
1255 ************************************************************************
1257 * These procedures are called from VFSs such as unionfs and nullfs
1258 * when they wish to forward an operation on one VFS to another. The
1259 * argument structure/message is modified and then directly passed to the
1260 * appropriate routine. This routines may also be called by initiators
1261 * who have an argument structure in hand rather then discreet arguments.
1264 vop_vnoperate_ap(struct vop_generic_args
*ap
)
1266 struct vop_ops
*ops
;
1270 error
= VOCALL(ops
, ap
);
1276 * This routine is called by the cache coherency layer to execute the actual
1277 * VFS operation. If a journaling layer is present we call though it, else
1278 * we call the native VOP functions.
1281 vop_cache_operate_ap(struct vop_generic_args
*ap
)
1283 struct vop_ops
*ops
;
1287 if (ops
->head
.vv_mount
->mnt_vn_journal_ops
)
1288 error
= VOCALL(ops
->head
.vv_mount
->mnt_vn_journal_ops
, ap
);
1290 error
= VOCALL(ops
->head
.vv_mount
->mnt_vn_norm_ops
, ap
);
1296 * This routine is called by the journaling layer to execute the actual
1300 vop_journal_operate_ap(struct vop_generic_args
*ap
)
1302 struct vop_ops
*ops
;
1306 error
= VOCALL(ops
->head
.vv_mount
->mnt_vn_norm_ops
, ap
);
1312 vop_open_ap(struct vop_open_args
*ap
)
1316 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_open
);
1321 vop_close_ap(struct vop_close_args
*ap
)
1325 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_close
);
1330 vop_access_ap(struct vop_access_args
*ap
)
1334 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_access
);
1339 vop_getattr_ap(struct vop_getattr_args
*ap
)
1343 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_getattr
);
1348 vop_setattr_ap(struct vop_setattr_args
*ap
)
1352 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_setattr
);
1357 vop_read_ap(struct vop_read_args
*ap
)
1361 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_read
);
1366 vop_write_ap(struct vop_write_args
*ap
)
1370 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_write
);
1375 vop_ioctl_ap(struct vop_ioctl_args
*ap
)
1379 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_ioctl
);
1384 vop_poll_ap(struct vop_poll_args
*ap
)
1388 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_poll
);
1393 vop_kqfilter_ap(struct vop_kqfilter_args
*ap
)
1397 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_kqfilter
);
1402 vop_revoke_ap(struct vop_revoke_args
*ap
)
1406 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_revoke
);
1411 vop_mmap_ap(struct vop_mmap_args
*ap
)
1415 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_mmap
);
1420 vop_fsync_ap(struct vop_fsync_args
*ap
)
1424 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_fsync
);
1429 vop_readdir_ap(struct vop_readdir_args
*ap
)
1433 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_readdir
);
1438 vop_readlink_ap(struct vop_readlink_args
*ap
)
1442 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_readlink
);
1447 vop_inactive_ap(struct vop_inactive_args
*ap
)
1451 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_inactive
);
1456 vop_reclaim_ap(struct vop_reclaim_args
*ap
)
1460 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_reclaim
);
1465 vop_bmap_ap(struct vop_bmap_args
*ap
)
1469 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_bmap
);
1474 vop_strategy_ap(struct vop_strategy_args
*ap
)
1478 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_strategy
);
1483 vop_print_ap(struct vop_print_args
*ap
)
1487 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_print
);
1492 vop_pathconf_ap(struct vop_pathconf_args
*ap
)
1496 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_pathconf
);
1501 vop_advlock_ap(struct vop_advlock_args
*ap
)
1505 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_advlock
);
1510 vop_balloc_ap(struct vop_balloc_args
*ap
)
1514 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_balloc
);
1519 vop_reallocblks_ap(struct vop_reallocblks_args
*ap
)
1523 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_reallocblks
);
1528 vop_getpages_ap(struct vop_getpages_args
*ap
)
1532 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_getpages
);
1537 vop_putpages_ap(struct vop_putpages_args
*ap
)
1541 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_putpages
);
1546 vop_freeblks_ap(struct vop_freeblks_args
*ap
)
1550 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_freeblks
);
1555 vop_getacl_ap(struct vop_getacl_args
*ap
)
1559 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_getacl
);
1564 vop_setacl_ap(struct vop_setacl_args
*ap
)
1568 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_setacl
);
1573 vop_aclcheck_ap(struct vop_aclcheck_args
*ap
)
1577 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_aclcheck
);
1582 vop_getextattr_ap(struct vop_getextattr_args
*ap
)
1586 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_getextattr
);
1591 vop_setextattr_ap(struct vop_setextattr_args
*ap
)
1595 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_setextattr
);
1600 vop_mountctl_ap(struct vop_mountctl_args
*ap
)
1604 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_mountctl
);
1609 vop_nresolve_ap(struct vop_nresolve_args
*ap
)
1613 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_nresolve
);
1618 vop_nlookupdotdot_ap(struct vop_nlookupdotdot_args
*ap
)
1622 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_nlookupdotdot
);
1627 vop_ncreate_ap(struct vop_ncreate_args
*ap
)
1631 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_ncreate
);
1636 vop_nmkdir_ap(struct vop_nmkdir_args
*ap
)
1640 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_nmkdir
);
1645 vop_nmknod_ap(struct vop_nmknod_args
*ap
)
1649 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_nmknod
);
1654 vop_nlink_ap(struct vop_nlink_args
*ap
)
1658 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_nlink
);
1663 vop_nsymlink_ap(struct vop_nsymlink_args
*ap
)
1667 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_nsymlink
);
1672 vop_nwhiteout_ap(struct vop_nwhiteout_args
*ap
)
1676 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_nwhiteout
);
1681 vop_nremove_ap(struct vop_nremove_args
*ap
)
1685 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_nremove
);
1690 vop_nrmdir_ap(struct vop_nrmdir_args
*ap
)
1694 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_nrmdir
);
1699 vop_nrename_ap(struct vop_nrename_args
*ap
)
1703 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_nrename
);