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(mmap
);
101 VNODEOP_DESC_INIT(fsync
);
102 VNODEOP_DESC_INIT(old_remove
);
103 VNODEOP_DESC_INIT(old_link
);
104 VNODEOP_DESC_INIT(old_rename
);
106 VNODEOP_DESC_INIT(old_mkdir
);
107 VNODEOP_DESC_INIT(old_rmdir
);
108 VNODEOP_DESC_INIT(old_symlink
);
109 VNODEOP_DESC_INIT(readdir
);
110 VNODEOP_DESC_INIT(readlink
);
111 VNODEOP_DESC_INIT(inactive
);
112 VNODEOP_DESC_INIT(reclaim
);
113 VNODEOP_DESC_INIT(bmap
);
114 VNODEOP_DESC_INIT(strategy
);
115 VNODEOP_DESC_INIT(print
);
116 VNODEOP_DESC_INIT(pathconf
);
117 VNODEOP_DESC_INIT(advlock
);
118 VNODEOP_DESC_INIT(balloc
);
119 VNODEOP_DESC_INIT(reallocblks
);
120 VNODEOP_DESC_INIT(getpages
);
121 VNODEOP_DESC_INIT(putpages
);
122 VNODEOP_DESC_INIT(freeblks
);
123 VNODEOP_DESC_INIT(getacl
);
124 VNODEOP_DESC_INIT(setacl
);
125 VNODEOP_DESC_INIT(aclcheck
);
126 VNODEOP_DESC_INIT(getextattr
);
127 VNODEOP_DESC_INIT(setextattr
);
128 VNODEOP_DESC_INIT(mountctl
);
129 VNODEOP_DESC_INIT(markatime
);
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
, int flags
,
265 struct vop_access_args ap
;
268 ap
.a_head
.a_desc
= &vop_access_desc
;
269 ap
.a_head
.a_ops
= ops
;
275 DO_OPS(ops
, error
, &ap
, vop_access
);
280 vop_getattr(struct vop_ops
*ops
, struct vnode
*vp
, struct vattr
*vap
)
282 struct vop_getattr_args ap
;
285 ap
.a_head
.a_desc
= &vop_getattr_desc
;
286 ap
.a_head
.a_ops
= ops
;
290 DO_OPS(ops
, error
, &ap
, vop_getattr
);
293 * mount pointer may be NULL if vnode is dead.
295 if (ops
->head
.vv_mount
&&
296 (ops
->head
.vv_mount
->mnt_kern_flag
& MNTK_FSMID
) == 0) {
297 vap
->va_fsmid
= cache_sync_fsmid_vp(vp
);
303 vop_setattr(struct vop_ops
*ops
, struct vnode
*vp
, struct vattr
*vap
,
306 struct vop_setattr_args ap
;
309 ap
.a_head
.a_desc
= &vop_setattr_desc
;
310 ap
.a_head
.a_ops
= ops
;
315 DO_OPS(ops
, error
, &ap
, vop_setattr
);
317 cache_update_fsmid_vp(vp
);
322 vop_read(struct vop_ops
*ops
, struct vnode
*vp
, struct uio
*uio
, int ioflag
,
325 struct vop_read_args ap
;
328 ap
.a_head
.a_desc
= &vop_read_desc
;
329 ap
.a_head
.a_ops
= ops
;
332 ap
.a_ioflag
= ioflag
;
335 DO_OPS(ops
, error
, &ap
, vop_read
);
340 vop_write(struct vop_ops
*ops
, struct vnode
*vp
, struct uio
*uio
, int ioflag
,
343 struct vop_write_args ap
;
346 ap
.a_head
.a_desc
= &vop_write_desc
;
347 ap
.a_head
.a_ops
= ops
;
350 ap
.a_ioflag
= ioflag
;
353 DO_OPS(ops
, error
, &ap
, vop_write
);
355 cache_update_fsmid_vp(vp
);
360 vop_ioctl(struct vop_ops
*ops
, struct vnode
*vp
, u_long command
, caddr_t data
,
361 int fflag
, struct ucred
*cred
)
363 struct vop_ioctl_args ap
;
366 ap
.a_head
.a_desc
= &vop_ioctl_desc
;
367 ap
.a_head
.a_ops
= ops
;
369 ap
.a_command
= command
;
374 DO_OPS(ops
, error
, &ap
, vop_ioctl
);
379 vop_poll(struct vop_ops
*ops
, struct vnode
*vp
, int events
, struct ucred
*cred
)
381 struct vop_poll_args ap
;
384 ap
.a_head
.a_desc
= &vop_poll_desc
;
385 ap
.a_head
.a_ops
= ops
;
387 ap
.a_events
= events
;
390 DO_OPS(ops
, error
, &ap
, vop_poll
);
395 vop_kqfilter(struct vop_ops
*ops
, struct vnode
*vp
, struct knote
*kn
)
397 struct vop_kqfilter_args ap
;
400 ap
.a_head
.a_desc
= &vop_kqfilter_desc
;
401 ap
.a_head
.a_ops
= ops
;
405 DO_OPS(ops
, error
, &ap
, vop_kqfilter
);
410 vop_mmap(struct vop_ops
*ops
, struct vnode
*vp
, int fflags
, struct ucred
*cred
)
412 struct vop_mmap_args ap
;
415 ap
.a_head
.a_desc
= &vop_mmap_desc
;
416 ap
.a_head
.a_ops
= ops
;
418 ap
.a_fflags
= fflags
;
421 DO_OPS(ops
, error
, &ap
, vop_mmap
);
426 vop_fsync(struct vop_ops
*ops
, struct vnode
*vp
, int waitfor
, int flags
)
428 struct vop_fsync_args ap
;
431 ap
.a_head
.a_desc
= &vop_fsync_desc
;
432 ap
.a_head
.a_ops
= ops
;
434 ap
.a_waitfor
= waitfor
;
437 DO_OPS(ops
, error
, &ap
, vop_fsync
);
442 vop_old_remove(struct vop_ops
*ops
, struct vnode
*dvp
,
443 struct vnode
*vp
, struct componentname
*cnp
)
445 struct vop_old_remove_args ap
;
448 ap
.a_head
.a_desc
= &vop_old_remove_desc
;
449 ap
.a_head
.a_ops
= ops
;
454 DO_OPS(ops
, error
, &ap
, vop_old_remove
);
459 vop_old_link(struct vop_ops
*ops
, struct vnode
*tdvp
,
460 struct vnode
*vp
, struct componentname
*cnp
)
462 struct vop_old_link_args ap
;
465 ap
.a_head
.a_desc
= &vop_old_link_desc
;
466 ap
.a_head
.a_ops
= ops
;
471 DO_OPS(ops
, error
, &ap
, vop_old_link
);
476 vop_old_rename(struct vop_ops
*ops
,
477 struct vnode
*fdvp
, struct vnode
*fvp
, struct componentname
*fcnp
,
478 struct vnode
*tdvp
, struct vnode
*tvp
, struct componentname
*tcnp
)
480 struct vop_old_rename_args ap
;
483 ap
.a_head
.a_desc
= &vop_old_rename_desc
;
484 ap
.a_head
.a_ops
= ops
;
492 DO_OPS(ops
, error
, &ap
, vop_old_rename
);
497 vop_old_mkdir(struct vop_ops
*ops
, struct vnode
*dvp
,
498 struct vnode
**vpp
, struct componentname
*cnp
, struct vattr
*vap
)
500 struct vop_old_mkdir_args ap
;
503 ap
.a_head
.a_desc
= &vop_old_mkdir_desc
;
504 ap
.a_head
.a_ops
= ops
;
510 DO_OPS(ops
, error
, &ap
, vop_old_mkdir
);
515 vop_old_rmdir(struct vop_ops
*ops
, struct vnode
*dvp
,
516 struct vnode
*vp
, struct componentname
*cnp
)
518 struct vop_old_rmdir_args ap
;
521 ap
.a_head
.a_desc
= &vop_old_rmdir_desc
;
522 ap
.a_head
.a_ops
= ops
;
527 DO_OPS(ops
, error
, &ap
, vop_old_rmdir
);
532 vop_old_symlink(struct vop_ops
*ops
, struct vnode
*dvp
,
533 struct vnode
**vpp
, struct componentname
*cnp
,
534 struct vattr
*vap
, char *target
)
536 struct vop_old_symlink_args ap
;
539 ap
.a_head
.a_desc
= &vop_old_symlink_desc
;
540 ap
.a_head
.a_ops
= ops
;
545 ap
.a_target
= target
;
547 DO_OPS(ops
, error
, &ap
, vop_old_symlink
);
552 vop_readdir(struct vop_ops
*ops
, struct vnode
*vp
, struct uio
*uio
,
553 struct ucred
*cred
, int *eofflag
, int *ncookies
, off_t
**cookies
)
555 struct vop_readdir_args ap
;
558 ap
.a_head
.a_desc
= &vop_readdir_desc
;
559 ap
.a_head
.a_ops
= ops
;
563 ap
.a_eofflag
= eofflag
;
564 ap
.a_ncookies
= ncookies
;
565 ap
.a_cookies
= cookies
;
567 DO_OPS(ops
, error
, &ap
, vop_readdir
);
572 vop_readlink(struct vop_ops
*ops
, struct vnode
*vp
, struct uio
*uio
,
575 struct vop_readlink_args ap
;
578 ap
.a_head
.a_desc
= &vop_readlink_desc
;
579 ap
.a_head
.a_ops
= ops
;
584 DO_OPS(ops
, error
, &ap
, vop_readlink
);
589 vop_inactive(struct vop_ops
*ops
, struct vnode
*vp
)
591 struct vop_inactive_args ap
;
594 ap
.a_head
.a_desc
= &vop_inactive_desc
;
595 ap
.a_head
.a_ops
= ops
;
598 DO_OPS(ops
, error
, &ap
, vop_inactive
);
603 vop_reclaim(struct vop_ops
*ops
, struct vnode
*vp
)
605 struct vop_reclaim_args ap
;
608 ap
.a_head
.a_desc
= &vop_reclaim_desc
;
609 ap
.a_head
.a_ops
= ops
;
612 DO_OPS(ops
, error
, &ap
, vop_reclaim
);
617 vop_bmap(struct vop_ops
*ops
, struct vnode
*vp
, off_t loffset
,
618 off_t
*doffsetp
, int *runp
, int *runb
, buf_cmd_t cmd
)
620 struct vop_bmap_args ap
;
623 ap
.a_head
.a_desc
= &vop_bmap_desc
;
624 ap
.a_head
.a_ops
= ops
;
626 ap
.a_loffset
= loffset
;
627 ap
.a_doffsetp
= doffsetp
;
632 DO_OPS(ops
, error
, &ap
, vop_bmap
);
637 vop_strategy(struct vop_ops
*ops
, struct vnode
*vp
, struct bio
*bio
)
639 struct vop_strategy_args ap
;
642 ap
.a_head
.a_desc
= &vop_strategy_desc
;
643 ap
.a_head
.a_ops
= ops
;
647 DO_OPS(ops
, error
, &ap
, vop_strategy
);
648 if (error
== 0 && bio
->bio_buf
->b_cmd
!= BUF_CMD_READ
)
649 cache_update_fsmid_vp(vp
);
654 vop_print(struct vop_ops
*ops
, struct vnode
*vp
)
656 struct vop_print_args ap
;
659 ap
.a_head
.a_desc
= &vop_print_desc
;
660 ap
.a_head
.a_ops
= ops
;
663 DO_OPS(ops
, error
, &ap
, vop_print
);
668 vop_pathconf(struct vop_ops
*ops
, struct vnode
*vp
, int name
,
671 struct vop_pathconf_args ap
;
674 ap
.a_head
.a_desc
= &vop_pathconf_desc
;
675 ap
.a_head
.a_ops
= ops
;
678 ap
.a_retval
= retval
;
680 DO_OPS(ops
, error
, &ap
, vop_pathconf
);
685 vop_advlock(struct vop_ops
*ops
, struct vnode
*vp
, caddr_t id
, int op
,
686 struct flock
*fl
, int flags
)
688 struct vop_advlock_args ap
;
691 ap
.a_head
.a_desc
= &vop_advlock_desc
;
692 ap
.a_head
.a_ops
= ops
;
699 DO_OPS(ops
, error
, &ap
, vop_advlock
);
704 vop_balloc(struct vop_ops
*ops
, struct vnode
*vp
, off_t startoffset
,
705 int size
, struct ucred
*cred
, int flags
,
708 struct vop_balloc_args ap
;
711 ap
.a_head
.a_desc
= &vop_balloc_desc
;
712 ap
.a_head
.a_ops
= ops
;
714 ap
.a_startoffset
= startoffset
;
720 DO_OPS(ops
, error
, &ap
, vop_balloc
);
725 vop_reallocblks(struct vop_ops
*ops
, struct vnode
*vp
,
726 struct cluster_save
*buflist
)
728 struct vop_reallocblks_args ap
;
731 ap
.a_head
.a_desc
= &vop_reallocblks_desc
;
732 ap
.a_head
.a_ops
= ops
;
734 ap
.a_buflist
= buflist
;
736 DO_OPS(ops
, error
, &ap
, vop_reallocblks
);
741 vop_getpages(struct vop_ops
*ops
, struct vnode
*vp
, vm_page_t
*m
, int count
,
742 int reqpage
, vm_ooffset_t offset
)
744 struct vop_getpages_args ap
;
747 ap
.a_head
.a_desc
= &vop_getpages_desc
;
748 ap
.a_head
.a_ops
= ops
;
752 ap
.a_reqpage
= reqpage
;
753 ap
.a_offset
= offset
;
755 DO_OPS(ops
, error
, &ap
, vop_getpages
);
760 vop_putpages(struct vop_ops
*ops
, struct vnode
*vp
, vm_page_t
*m
, int count
,
761 int sync
, int *rtvals
, vm_ooffset_t offset
)
763 struct vop_putpages_args ap
;
766 ap
.a_head
.a_desc
= &vop_putpages_desc
;
767 ap
.a_head
.a_ops
= ops
;
772 ap
.a_rtvals
= rtvals
;
773 ap
.a_offset
= offset
;
775 DO_OPS(ops
, error
, &ap
, vop_putpages
);
777 cache_update_fsmid_vp(vp
);
782 vop_freeblks(struct vop_ops
*ops
, struct vnode
*vp
, off_t offset
, int length
)
784 struct vop_freeblks_args ap
;
787 ap
.a_head
.a_desc
= &vop_freeblks_desc
;
788 ap
.a_head
.a_ops
= ops
;
790 ap
.a_offset
= offset
;
791 ap
.a_length
= length
;
793 DO_OPS(ops
, error
, &ap
, vop_freeblks
);
798 vop_getacl(struct vop_ops
*ops
, struct vnode
*vp
, acl_type_t type
,
799 struct acl
*aclp
, struct ucred
*cred
)
801 struct vop_getacl_args ap
;
804 ap
.a_head
.a_desc
= &vop_getacl_desc
;
805 ap
.a_head
.a_ops
= ops
;
811 DO_OPS(ops
, error
, &ap
, vop_getacl
);
816 vop_setacl(struct vop_ops
*ops
, struct vnode
*vp
, acl_type_t type
,
817 struct acl
*aclp
, struct ucred
*cred
)
819 struct vop_setacl_args ap
;
822 ap
.a_head
.a_desc
= &vop_setacl_desc
;
823 ap
.a_head
.a_ops
= ops
;
829 DO_OPS(ops
, error
, &ap
, vop_setacl
);
831 cache_update_fsmid_vp(vp
);
836 vop_aclcheck(struct vop_ops
*ops
, struct vnode
*vp
, acl_type_t type
,
837 struct acl
*aclp
, struct ucred
*cred
)
839 struct vop_aclcheck_args ap
;
842 ap
.a_head
.a_desc
= &vop_aclcheck_desc
;
843 ap
.a_head
.a_ops
= ops
;
849 DO_OPS(ops
, error
, &ap
, vop_aclcheck
);
854 vop_getextattr(struct vop_ops
*ops
, struct vnode
*vp
, char *name
,
855 struct uio
*uio
, struct ucred
*cred
)
857 struct vop_getextattr_args ap
;
860 ap
.a_head
.a_desc
= &vop_getextattr_desc
;
861 ap
.a_head
.a_ops
= ops
;
867 DO_OPS(ops
, error
, &ap
, vop_getextattr
);
872 vop_setextattr(struct vop_ops
*ops
, struct vnode
*vp
, char *name
,
873 struct uio
*uio
, struct ucred
*cred
)
875 struct vop_setextattr_args ap
;
878 ap
.a_head
.a_desc
= &vop_setextattr_desc
;
879 ap
.a_head
.a_ops
= ops
;
885 DO_OPS(ops
, error
, &ap
, vop_setextattr
);
887 cache_update_fsmid_vp(vp
);
892 vop_mountctl(struct vop_ops
*ops
, int op
, struct file
*fp
,
893 const void *ctl
, int ctllen
, void *buf
, int buflen
, int *res
)
895 struct vop_mountctl_args ap
;
898 ap
.a_head
.a_desc
= &vop_mountctl_desc
;
899 ap
.a_head
.a_ops
= ops
;
903 ap
.a_ctllen
= ctllen
;
905 ap
.a_buflen
= buflen
;
908 DO_OPS(ops
, error
, &ap
, vop_mountctl
);
913 vop_markatime(struct vop_ops
*ops
, struct vnode
*vp
, struct ucred
*cred
)
915 struct vop_markatime_args ap
;
918 ap
.a_head
.a_desc
= &vop_markatime_desc
;
919 ap
.a_head
.a_ops
= ops
;
923 DO_OPS(ops
, error
, &ap
, vop_markatime
);
930 * nresolve takes a locked ncp, a referenced but unlocked dvp, and a cred,
931 * and resolves the ncp into a positive or negative hit.
933 * The namecache is automatically adjusted by this function. The ncp
934 * is left locked on return.
937 vop_nresolve(struct vop_ops
*ops
, struct nchandle
*nch
,
938 struct vnode
*dvp
, struct ucred
*cred
)
940 struct vop_nresolve_args ap
;
943 ap
.a_head
.a_desc
= &vop_nresolve_desc
;
944 ap
.a_head
.a_ops
= ops
;
949 DO_OPS(ops
, error
, &ap
, vop_nresolve
);
954 * nlookupdotdot takes an unlocked directory, referenced dvp, and looks
955 * up "..", returning a locked parent directory in *vpp. If an error
956 * occurs *vpp will be NULL.
959 vop_nlookupdotdot(struct vop_ops
*ops
, struct vnode
*dvp
,
960 struct vnode
**vpp
, struct ucred
*cred
, char **fakename
)
962 struct vop_nlookupdotdot_args ap
;
965 ap
.a_head
.a_desc
= &vop_nlookupdotdot_desc
;
966 ap
.a_head
.a_ops
= ops
;
970 ap
.a_fakename
= fakename
;
972 DO_OPS(ops
, error
, &ap
, vop_nlookupdotdot
);
977 * ncreate takes a locked, resolved ncp that typically represents a negative
978 * cache hit and creates the file or node specified by the ncp, cred, and
979 * vattr. If no error occurs a locked vnode is returned in *vpp.
981 * The dvp passed in is referenced but unlocked.
983 * The namecache is automatically adjusted by this function. The ncp
984 * is left locked on return.
987 vop_ncreate(struct vop_ops
*ops
, struct nchandle
*nch
, struct vnode
*dvp
,
988 struct vnode
**vpp
, struct ucred
*cred
, struct vattr
*vap
)
990 struct vop_ncreate_args ap
;
993 ap
.a_head
.a_desc
= &vop_ncreate_desc
;
994 ap
.a_head
.a_ops
= ops
;
1001 DO_OPS(ops
, error
, &ap
, vop_ncreate
);
1002 if (error
== 0 && *vpp
)
1003 cache_update_fsmid_vp(*vpp
);
1008 * nmkdir takes a locked, resolved ncp that typically represents a negative
1009 * cache hit and creates the directory specified by the ncp, cred, and
1010 * vattr. If no error occurs a locked vnode is returned in *vpp.
1012 * The dvp passed in is referenced but unlocked.
1014 * The namecache is automatically adjusted by this function. The ncp
1015 * is left locked on return.
1018 vop_nmkdir(struct vop_ops
*ops
, struct nchandle
*nch
, struct vnode
*dvp
,
1019 struct vnode
**vpp
, struct ucred
*cred
, struct vattr
*vap
)
1021 struct vop_nmkdir_args ap
;
1024 ap
.a_head
.a_desc
= &vop_nmkdir_desc
;
1025 ap
.a_head
.a_ops
= ops
;
1032 DO_OPS(ops
, error
, &ap
, vop_nmkdir
);
1033 if (error
== 0 && *vpp
)
1034 cache_update_fsmid_vp(*vpp
);
1039 * nmknod takes a locked, resolved ncp that typically represents a negative
1040 * cache hit and creates the node specified by the ncp, cred, and
1041 * vattr. If no error occurs a locked vnode is returned in *vpp.
1043 * The dvp passed in is referenced but unlocked.
1045 * The namecache is automatically adjusted by this function. The ncp
1046 * is left locked on return.
1049 vop_nmknod(struct vop_ops
*ops
, struct nchandle
*nch
, struct vnode
*dvp
,
1050 struct vnode
**vpp
, struct ucred
*cred
, struct vattr
*vap
)
1052 struct vop_nmknod_args ap
;
1055 ap
.a_head
.a_desc
= &vop_nmknod_desc
;
1056 ap
.a_head
.a_ops
= ops
;
1063 DO_OPS(ops
, error
, &ap
, vop_nmknod
);
1064 if (error
== 0 && *vpp
)
1065 cache_update_fsmid_vp(*vpp
);
1070 * nlink takes a locked, resolved ncp that typically represents a negative
1071 * cache hit and creates the node specified by the ncp, cred, and
1072 * existing vnode. The passed vp must be locked and will remain locked
1073 * on return, as does the ncp, whether an error occurs or not.
1075 * The dvp passed in is referenced but unlocked.
1077 * The namecache is automatically adjusted by this function. The ncp
1078 * is left locked on return.
1081 vop_nlink(struct vop_ops
*ops
, struct nchandle
*nch
, struct vnode
*dvp
,
1082 struct vnode
*vp
, struct ucred
*cred
)
1084 struct vop_nlink_args ap
;
1087 ap
.a_head
.a_desc
= &vop_nlink_desc
;
1088 ap
.a_head
.a_ops
= ops
;
1094 DO_OPS(ops
, error
, &ap
, vop_nlink
);
1096 cache_update_fsmid(nch
);
1101 * nsymlink takes a locked, resolved ncp that typically represents a negative
1102 * cache hit and creates a symbolic link based on cred, vap, and target (the
1103 * contents of the link). If no error occurs a locked vnode is returned in
1106 * The dvp passed in is referenced but unlocked.
1108 * The namecache is automatically adjusted by this function. The ncp
1109 * is left locked on return.
1112 vop_nsymlink(struct vop_ops
*ops
, struct nchandle
*nch
, struct vnode
*dvp
,
1113 struct vnode
**vpp
, struct ucred
*cred
,
1114 struct vattr
*vap
, char *target
)
1116 struct vop_nsymlink_args ap
;
1119 ap
.a_head
.a_desc
= &vop_nsymlink_desc
;
1120 ap
.a_head
.a_ops
= ops
;
1126 ap
.a_target
= target
;
1128 DO_OPS(ops
, error
, &ap
, vop_nsymlink
);
1130 cache_update_fsmid(nch
);
1135 * nwhiteout takes a locked, resolved ncp that can represent a positive or
1136 * negative hit and executes the whiteout function specified in flags.
1138 * The dvp passed in is referenced but unlocked.
1140 * The namecache is automatically adjusted by this function. The ncp
1141 * is left locked on return.
1144 vop_nwhiteout(struct vop_ops
*ops
, struct nchandle
*nch
, struct vnode
*dvp
,
1145 struct ucred
*cred
, int flags
)
1147 struct vop_nwhiteout_args ap
;
1150 ap
.a_head
.a_desc
= &vop_nwhiteout_desc
;
1151 ap
.a_head
.a_ops
= ops
;
1157 DO_OPS(ops
, error
, &ap
, vop_nwhiteout
);
1159 cache_update_fsmid(nch
);
1164 * nremove takes a locked, resolved ncp that generally represents a
1165 * positive hit and removes the file.
1167 * The dvp passed in is referenced but unlocked.
1169 * The namecache is automatically adjusted by this function. The ncp
1170 * is left locked on return.
1173 vop_nremove(struct vop_ops
*ops
, struct nchandle
*nch
, struct vnode
*dvp
,
1176 struct vop_nremove_args ap
;
1179 ap
.a_head
.a_desc
= &vop_nremove_desc
;
1180 ap
.a_head
.a_ops
= ops
;
1185 DO_OPS(ops
, error
, &ap
, vop_nremove
);
1187 cache_update_fsmid(nch
);
1192 * nrmdir takes a locked, resolved ncp that generally represents a
1193 * directory and removes the directory.
1195 * The dvp passed in is referenced but unlocked.
1197 * The namecache is automatically adjusted by this function. The ncp
1198 * is left locked on return.
1201 vop_nrmdir(struct vop_ops
*ops
, struct nchandle
*nch
, struct vnode
*dvp
,
1204 struct vop_nrmdir_args ap
;
1207 ap
.a_head
.a_desc
= &vop_nrmdir_desc
;
1208 ap
.a_head
.a_ops
= ops
;
1213 DO_OPS(ops
, error
, &ap
, vop_nrmdir
);
1215 cache_update_fsmid(nch
);
1220 * nrename takes TWO locked, resolved ncp's and the cred of the caller
1221 * and renames the source ncp to the target ncp. The target ncp may
1222 * represent a positive or negative hit.
1224 * The fdvp and tdvp passed in are referenced but unlocked.
1226 * The namecache is automatically adjusted by this function. The ncp
1227 * is left locked on return. The source ncp is typically changed to
1228 * a negative cache hit and the target ncp typically takes on the
1229 * source ncp's underlying file.
1232 vop_nrename(struct vop_ops
*ops
,
1233 struct nchandle
*fnch
, struct nchandle
*tnch
,
1234 struct vnode
*fdvp
, struct vnode
*tdvp
,
1237 struct vop_nrename_args ap
;
1240 ap
.a_head
.a_desc
= &vop_nrename_desc
;
1241 ap
.a_head
.a_ops
= ops
;
1248 DO_OPS(ops
, error
, &ap
, vop_nrename
);
1250 cache_update_fsmid(fnch
);
1251 cache_update_fsmid(tnch
);
1256 /************************************************************************
1257 * PRIMARY VNODE OPERATIONS FORWARDING CALLS *
1258 ************************************************************************
1260 * These procedures are called from VFSs such as unionfs and nullfs
1261 * when they wish to forward an operation on one VFS to another. The
1262 * argument structure/message is modified and then directly passed to the
1263 * appropriate routine. This routines may also be called by initiators
1264 * who have an argument structure in hand rather then discreet arguments.
1267 vop_vnoperate_ap(struct vop_generic_args
*ap
)
1269 struct vop_ops
*ops
;
1273 error
= VOCALL(ops
, ap
);
1279 * This routine is called by the cache coherency layer to execute the actual
1280 * VFS operation. If a journaling layer is present we call though it, else
1281 * we call the native VOP functions.
1284 vop_cache_operate_ap(struct vop_generic_args
*ap
)
1286 struct vop_ops
*ops
;
1290 if (ops
->head
.vv_mount
->mnt_vn_journal_ops
)
1291 error
= VOCALL(ops
->head
.vv_mount
->mnt_vn_journal_ops
, ap
);
1293 error
= VOCALL(ops
->head
.vv_mount
->mnt_vn_norm_ops
, ap
);
1299 * This routine is called by the journaling layer to execute the actual
1303 vop_journal_operate_ap(struct vop_generic_args
*ap
)
1305 struct vop_ops
*ops
;
1309 error
= VOCALL(ops
->head
.vv_mount
->mnt_vn_norm_ops
, ap
);
1315 vop_open_ap(struct vop_open_args
*ap
)
1319 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_open
);
1324 vop_close_ap(struct vop_close_args
*ap
)
1328 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_close
);
1333 vop_access_ap(struct vop_access_args
*ap
)
1337 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_access
);
1342 vop_getattr_ap(struct vop_getattr_args
*ap
)
1346 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_getattr
);
1351 vop_setattr_ap(struct vop_setattr_args
*ap
)
1355 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_setattr
);
1360 vop_read_ap(struct vop_read_args
*ap
)
1364 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_read
);
1369 vop_write_ap(struct vop_write_args
*ap
)
1373 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_write
);
1378 vop_ioctl_ap(struct vop_ioctl_args
*ap
)
1382 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_ioctl
);
1387 vop_poll_ap(struct vop_poll_args
*ap
)
1391 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_poll
);
1396 vop_kqfilter_ap(struct vop_kqfilter_args
*ap
)
1400 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_kqfilter
);
1405 vop_mmap_ap(struct vop_mmap_args
*ap
)
1409 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_mmap
);
1414 vop_fsync_ap(struct vop_fsync_args
*ap
)
1418 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_fsync
);
1423 vop_readdir_ap(struct vop_readdir_args
*ap
)
1427 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_readdir
);
1432 vop_readlink_ap(struct vop_readlink_args
*ap
)
1436 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_readlink
);
1441 vop_inactive_ap(struct vop_inactive_args
*ap
)
1445 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_inactive
);
1450 vop_reclaim_ap(struct vop_reclaim_args
*ap
)
1454 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_reclaim
);
1459 vop_bmap_ap(struct vop_bmap_args
*ap
)
1463 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_bmap
);
1468 vop_strategy_ap(struct vop_strategy_args
*ap
)
1472 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_strategy
);
1477 vop_print_ap(struct vop_print_args
*ap
)
1481 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_print
);
1486 vop_pathconf_ap(struct vop_pathconf_args
*ap
)
1490 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_pathconf
);
1495 vop_advlock_ap(struct vop_advlock_args
*ap
)
1499 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_advlock
);
1504 vop_balloc_ap(struct vop_balloc_args
*ap
)
1508 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_balloc
);
1513 vop_reallocblks_ap(struct vop_reallocblks_args
*ap
)
1517 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_reallocblks
);
1522 vop_getpages_ap(struct vop_getpages_args
*ap
)
1526 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_getpages
);
1531 vop_putpages_ap(struct vop_putpages_args
*ap
)
1535 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_putpages
);
1540 vop_freeblks_ap(struct vop_freeblks_args
*ap
)
1544 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_freeblks
);
1549 vop_getacl_ap(struct vop_getacl_args
*ap
)
1553 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_getacl
);
1558 vop_setacl_ap(struct vop_setacl_args
*ap
)
1562 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_setacl
);
1567 vop_aclcheck_ap(struct vop_aclcheck_args
*ap
)
1571 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_aclcheck
);
1576 vop_getextattr_ap(struct vop_getextattr_args
*ap
)
1580 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_getextattr
);
1585 vop_setextattr_ap(struct vop_setextattr_args
*ap
)
1589 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_setextattr
);
1594 vop_mountctl_ap(struct vop_mountctl_args
*ap
)
1598 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_mountctl
);
1603 vop_markatime_ap(struct vop_markatime_args
*ap
)
1607 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_markatime
);
1612 vop_nresolve_ap(struct vop_nresolve_args
*ap
)
1616 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_nresolve
);
1621 vop_nlookupdotdot_ap(struct vop_nlookupdotdot_args
*ap
)
1625 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_nlookupdotdot
);
1630 vop_ncreate_ap(struct vop_ncreate_args
*ap
)
1634 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_ncreate
);
1639 vop_nmkdir_ap(struct vop_nmkdir_args
*ap
)
1643 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_nmkdir
);
1648 vop_nmknod_ap(struct vop_nmknod_args
*ap
)
1652 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_nmknod
);
1657 vop_nlink_ap(struct vop_nlink_args
*ap
)
1661 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_nlink
);
1666 vop_nsymlink_ap(struct vop_nsymlink_args
*ap
)
1670 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_nsymlink
);
1675 vop_nwhiteout_ap(struct vop_nwhiteout_args
*ap
)
1679 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_nwhiteout
);
1684 vop_nremove_ap(struct vop_nremove_args
*ap
)
1688 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_nremove
);
1693 vop_nrmdir_ap(struct vop_nrmdir_args
*ap
)
1697 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_nrmdir
);
1702 vop_nrename_ap(struct vop_nrename_args
*ap
)
1706 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_nrename
);