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>
61 #include <sys/sysmsg.h>
63 #include <machine/limits.h>
66 #include <vm/vm_object.h>
67 #include <vm/vm_extern.h>
68 #include <vm/vm_kern.h>
70 #include <vm/vm_map.h>
71 #include <vm/vm_page.h>
72 #include <vm/vm_pager.h>
73 #include <vm/vnode_pager.h>
74 #include <vm/vm_zone.h>
77 #include <sys/thread2.h>
79 #define VDESCNAME(name) __CONCAT(__CONCAT(vop_,name),_desc)
81 #define VNODEOP_DESC_INIT(name) \
82 struct syslink_desc VDESCNAME(name) = { \
83 __offsetof(struct vop_ops, __CONCAT(vop_, name)), \
86 VNODEOP_DESC_INIT(default);
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(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
);
130 VNODEOP_DESC_INIT(markatime
);
132 VNODEOP_DESC_INIT(nresolve
);
133 VNODEOP_DESC_INIT(nlookupdotdot
);
134 VNODEOP_DESC_INIT(ncreate
);
135 VNODEOP_DESC_INIT(nmkdir
);
136 VNODEOP_DESC_INIT(nmknod
);
137 VNODEOP_DESC_INIT(nlink
);
138 VNODEOP_DESC_INIT(nsymlink
);
139 VNODEOP_DESC_INIT(nwhiteout
);
140 VNODEOP_DESC_INIT(nremove
);
141 VNODEOP_DESC_INIT(nrmdir
);
142 VNODEOP_DESC_INIT(nrename
);
144 #define DO_OPS(ops, error, ap, vop_field) \
145 error = ops->vop_field(ap);
147 /************************************************************************
148 * PRIMARY HIGH LEVEL VNODE OPERATIONS CALLS *
149 ************************************************************************
151 * These procedures are called directly from the kernel and/or fileops
152 * code to perform file/device operations on the system.
154 * NOTE: The old namespace api functions such as vop_rename() are no longer
155 * available for general use and have been renamed to vop_old_*(). Only
156 * the code in vfs_default.c is allowed to call those ops.
160 vop_old_lookup(struct vop_ops
*ops
, struct vnode
*dvp
,
161 struct vnode
**vpp
, struct componentname
*cnp
)
163 struct vop_old_lookup_args ap
;
166 ap
.a_head
.a_desc
= &vop_old_lookup_desc
;
167 ap
.a_head
.a_ops
= ops
;
172 DO_OPS(ops
, error
, &ap
, vop_old_lookup
);
177 vop_old_create(struct vop_ops
*ops
, struct vnode
*dvp
,
178 struct vnode
**vpp
, struct componentname
*cnp
, struct vattr
*vap
)
180 struct vop_old_create_args ap
;
183 ap
.a_head
.a_desc
= &vop_old_create_desc
;
184 ap
.a_head
.a_ops
= ops
;
190 DO_OPS(ops
, error
, &ap
, vop_old_create
);
195 vop_old_whiteout(struct vop_ops
*ops
, struct vnode
*dvp
,
196 struct componentname
*cnp
, int flags
)
198 struct vop_old_whiteout_args ap
;
201 ap
.a_head
.a_desc
= &vop_old_whiteout_desc
;
202 ap
.a_head
.a_ops
= ops
;
207 DO_OPS(ops
, error
, &ap
, vop_old_whiteout
);
212 vop_old_mknod(struct vop_ops
*ops
, struct vnode
*dvp
,
213 struct vnode
**vpp
, struct componentname
*cnp
, struct vattr
*vap
)
215 struct vop_old_mknod_args ap
;
218 ap
.a_head
.a_desc
= &vop_old_mknod_desc
;
219 ap
.a_head
.a_ops
= ops
;
225 DO_OPS(ops
, error
, &ap
, vop_old_mknod
);
230 * NOTE: VAGE is always cleared when calling VOP_OPEN().
233 vop_open(struct vop_ops
*ops
, struct vnode
*vp
, int mode
, struct ucred
*cred
,
236 struct vop_open_args ap
;
240 * Decrement 3-2-1-0. Does not decrement beyond 0
242 if (vp
->v_flag
& VAGE0
) {
243 vp
->v_flag
&= ~VAGE0
;
244 } else if (vp
->v_flag
& VAGE1
) {
245 vp
->v_flag
&= ~VAGE1
;
249 ap
.a_head
.a_desc
= &vop_open_desc
;
250 ap
.a_head
.a_ops
= ops
;
256 DO_OPS(ops
, error
, &ap
, vop_open
);
261 vop_close(struct vop_ops
*ops
, struct vnode
*vp
, int fflag
)
263 struct vop_close_args ap
;
266 ap
.a_head
.a_desc
= &vop_close_desc
;
267 ap
.a_head
.a_ops
= ops
;
271 DO_OPS(ops
, error
, &ap
, vop_close
);
276 vop_access(struct vop_ops
*ops
, struct vnode
*vp
, int mode
, int flags
,
279 struct vop_access_args ap
;
282 ap
.a_head
.a_desc
= &vop_access_desc
;
283 ap
.a_head
.a_ops
= ops
;
289 DO_OPS(ops
, error
, &ap
, vop_access
);
294 vop_getattr(struct vop_ops
*ops
, struct vnode
*vp
, struct vattr
*vap
)
296 struct vop_getattr_args ap
;
299 ap
.a_head
.a_desc
= &vop_getattr_desc
;
300 ap
.a_head
.a_ops
= ops
;
304 DO_OPS(ops
, error
, &ap
, vop_getattr
);
310 vop_setattr(struct vop_ops
*ops
, struct vnode
*vp
, struct vattr
*vap
,
313 struct vop_setattr_args ap
;
316 ap
.a_head
.a_desc
= &vop_setattr_desc
;
317 ap
.a_head
.a_ops
= ops
;
322 DO_OPS(ops
, error
, &ap
, vop_setattr
);
327 vop_read(struct vop_ops
*ops
, struct vnode
*vp
, struct uio
*uio
, int ioflag
,
330 struct vop_read_args ap
;
333 ap
.a_head
.a_desc
= &vop_read_desc
;
334 ap
.a_head
.a_ops
= ops
;
337 ap
.a_ioflag
= ioflag
;
340 DO_OPS(ops
, error
, &ap
, vop_read
);
345 vop_write(struct vop_ops
*ops
, struct vnode
*vp
, struct uio
*uio
, int ioflag
,
348 struct vop_write_args ap
;
351 ap
.a_head
.a_desc
= &vop_write_desc
;
352 ap
.a_head
.a_ops
= ops
;
355 ap
.a_ioflag
= ioflag
;
358 DO_OPS(ops
, error
, &ap
, vop_write
);
363 vop_ioctl(struct vop_ops
*ops
, struct vnode
*vp
, u_long command
, caddr_t data
,
364 int fflag
, struct ucred
*cred
, struct sysmsg
*msg
)
366 struct vop_ioctl_args ap
;
369 ap
.a_head
.a_desc
= &vop_ioctl_desc
;
370 ap
.a_head
.a_ops
= ops
;
372 ap
.a_command
= command
;
378 DO_OPS(ops
, error
, &ap
, vop_ioctl
);
383 vop_poll(struct vop_ops
*ops
, struct vnode
*vp
, int events
, struct ucred
*cred
)
385 struct vop_poll_args ap
;
388 ap
.a_head
.a_desc
= &vop_poll_desc
;
389 ap
.a_head
.a_ops
= ops
;
391 ap
.a_events
= events
;
394 DO_OPS(ops
, error
, &ap
, vop_poll
);
399 vop_kqfilter(struct vop_ops
*ops
, struct vnode
*vp
, struct knote
*kn
)
401 struct vop_kqfilter_args ap
;
404 ap
.a_head
.a_desc
= &vop_kqfilter_desc
;
405 ap
.a_head
.a_ops
= ops
;
409 DO_OPS(ops
, error
, &ap
, vop_kqfilter
);
414 vop_mmap(struct vop_ops
*ops
, struct vnode
*vp
, int fflags
, struct ucred
*cred
)
416 struct vop_mmap_args ap
;
419 ap
.a_head
.a_desc
= &vop_mmap_desc
;
420 ap
.a_head
.a_ops
= ops
;
422 ap
.a_fflags
= fflags
;
425 DO_OPS(ops
, error
, &ap
, vop_mmap
);
430 vop_fsync(struct vop_ops
*ops
, struct vnode
*vp
, int waitfor
, int flags
)
432 struct vop_fsync_args ap
;
435 ap
.a_head
.a_desc
= &vop_fsync_desc
;
436 ap
.a_head
.a_ops
= ops
;
438 ap
.a_waitfor
= waitfor
;
441 DO_OPS(ops
, error
, &ap
, vop_fsync
);
446 vop_old_remove(struct vop_ops
*ops
, struct vnode
*dvp
,
447 struct vnode
*vp
, struct componentname
*cnp
)
449 struct vop_old_remove_args ap
;
452 ap
.a_head
.a_desc
= &vop_old_remove_desc
;
453 ap
.a_head
.a_ops
= ops
;
458 DO_OPS(ops
, error
, &ap
, vop_old_remove
);
463 vop_old_link(struct vop_ops
*ops
, struct vnode
*tdvp
,
464 struct vnode
*vp
, struct componentname
*cnp
)
466 struct vop_old_link_args ap
;
469 ap
.a_head
.a_desc
= &vop_old_link_desc
;
470 ap
.a_head
.a_ops
= ops
;
475 DO_OPS(ops
, error
, &ap
, vop_old_link
);
480 vop_old_rename(struct vop_ops
*ops
,
481 struct vnode
*fdvp
, struct vnode
*fvp
, struct componentname
*fcnp
,
482 struct vnode
*tdvp
, struct vnode
*tvp
, struct componentname
*tcnp
)
484 struct vop_old_rename_args ap
;
487 ap
.a_head
.a_desc
= &vop_old_rename_desc
;
488 ap
.a_head
.a_ops
= ops
;
496 DO_OPS(ops
, error
, &ap
, vop_old_rename
);
501 vop_old_mkdir(struct vop_ops
*ops
, struct vnode
*dvp
,
502 struct vnode
**vpp
, struct componentname
*cnp
, struct vattr
*vap
)
504 struct vop_old_mkdir_args ap
;
507 ap
.a_head
.a_desc
= &vop_old_mkdir_desc
;
508 ap
.a_head
.a_ops
= ops
;
514 DO_OPS(ops
, error
, &ap
, vop_old_mkdir
);
519 vop_old_rmdir(struct vop_ops
*ops
, struct vnode
*dvp
,
520 struct vnode
*vp
, struct componentname
*cnp
)
522 struct vop_old_rmdir_args ap
;
525 ap
.a_head
.a_desc
= &vop_old_rmdir_desc
;
526 ap
.a_head
.a_ops
= ops
;
531 DO_OPS(ops
, error
, &ap
, vop_old_rmdir
);
536 vop_old_symlink(struct vop_ops
*ops
, struct vnode
*dvp
,
537 struct vnode
**vpp
, struct componentname
*cnp
,
538 struct vattr
*vap
, char *target
)
540 struct vop_old_symlink_args ap
;
543 ap
.a_head
.a_desc
= &vop_old_symlink_desc
;
544 ap
.a_head
.a_ops
= ops
;
549 ap
.a_target
= target
;
551 DO_OPS(ops
, error
, &ap
, vop_old_symlink
);
556 vop_readdir(struct vop_ops
*ops
, struct vnode
*vp
, struct uio
*uio
,
557 struct ucred
*cred
, int *eofflag
, int *ncookies
, off_t
**cookies
)
559 struct vop_readdir_args ap
;
562 ap
.a_head
.a_desc
= &vop_readdir_desc
;
563 ap
.a_head
.a_ops
= ops
;
567 ap
.a_eofflag
= eofflag
;
568 ap
.a_ncookies
= ncookies
;
569 ap
.a_cookies
= cookies
;
571 DO_OPS(ops
, error
, &ap
, vop_readdir
);
576 vop_readlink(struct vop_ops
*ops
, struct vnode
*vp
, struct uio
*uio
,
579 struct vop_readlink_args ap
;
582 ap
.a_head
.a_desc
= &vop_readlink_desc
;
583 ap
.a_head
.a_ops
= ops
;
588 DO_OPS(ops
, error
, &ap
, vop_readlink
);
593 vop_inactive(struct vop_ops
*ops
, struct vnode
*vp
)
595 struct vop_inactive_args ap
;
598 ap
.a_head
.a_desc
= &vop_inactive_desc
;
599 ap
.a_head
.a_ops
= ops
;
602 DO_OPS(ops
, error
, &ap
, vop_inactive
);
607 vop_reclaim(struct vop_ops
*ops
, struct vnode
*vp
)
609 struct vop_reclaim_args ap
;
612 ap
.a_head
.a_desc
= &vop_reclaim_desc
;
613 ap
.a_head
.a_ops
= ops
;
616 DO_OPS(ops
, error
, &ap
, vop_reclaim
);
621 vop_bmap(struct vop_ops
*ops
, struct vnode
*vp
, off_t loffset
,
622 off_t
*doffsetp
, int *runp
, int *runb
, buf_cmd_t cmd
)
624 struct vop_bmap_args ap
;
627 ap
.a_head
.a_desc
= &vop_bmap_desc
;
628 ap
.a_head
.a_ops
= ops
;
630 ap
.a_loffset
= loffset
;
631 ap
.a_doffsetp
= doffsetp
;
636 DO_OPS(ops
, error
, &ap
, vop_bmap
);
641 vop_strategy(struct vop_ops
*ops
, struct vnode
*vp
, struct bio
*bio
)
643 struct vop_strategy_args ap
;
646 ap
.a_head
.a_desc
= &vop_strategy_desc
;
647 ap
.a_head
.a_ops
= ops
;
651 DO_OPS(ops
, error
, &ap
, vop_strategy
);
656 vop_print(struct vop_ops
*ops
, struct vnode
*vp
)
658 struct vop_print_args ap
;
661 ap
.a_head
.a_desc
= &vop_print_desc
;
662 ap
.a_head
.a_ops
= ops
;
665 DO_OPS(ops
, error
, &ap
, vop_print
);
670 vop_pathconf(struct vop_ops
*ops
, struct vnode
*vp
, int name
,
673 struct vop_pathconf_args ap
;
676 ap
.a_head
.a_desc
= &vop_pathconf_desc
;
677 ap
.a_head
.a_ops
= ops
;
680 ap
.a_retval
= retval
;
682 DO_OPS(ops
, error
, &ap
, vop_pathconf
);
687 vop_advlock(struct vop_ops
*ops
, struct vnode
*vp
, caddr_t id
, int op
,
688 struct flock
*fl
, int flags
)
690 struct vop_advlock_args ap
;
693 ap
.a_head
.a_desc
= &vop_advlock_desc
;
694 ap
.a_head
.a_ops
= ops
;
701 DO_OPS(ops
, error
, &ap
, vop_advlock
);
706 vop_balloc(struct vop_ops
*ops
, struct vnode
*vp
, off_t startoffset
,
707 int size
, struct ucred
*cred
, int flags
,
710 struct vop_balloc_args ap
;
713 ap
.a_head
.a_desc
= &vop_balloc_desc
;
714 ap
.a_head
.a_ops
= ops
;
716 ap
.a_startoffset
= startoffset
;
722 DO_OPS(ops
, error
, &ap
, vop_balloc
);
727 vop_reallocblks(struct vop_ops
*ops
, struct vnode
*vp
,
728 struct cluster_save
*buflist
)
730 struct vop_reallocblks_args ap
;
733 ap
.a_head
.a_desc
= &vop_reallocblks_desc
;
734 ap
.a_head
.a_ops
= ops
;
736 ap
.a_buflist
= buflist
;
738 DO_OPS(ops
, error
, &ap
, vop_reallocblks
);
743 vop_getpages(struct vop_ops
*ops
, struct vnode
*vp
, vm_page_t
*m
, int count
,
744 int reqpage
, vm_ooffset_t offset
)
746 struct vop_getpages_args ap
;
749 ap
.a_head
.a_desc
= &vop_getpages_desc
;
750 ap
.a_head
.a_ops
= ops
;
754 ap
.a_reqpage
= reqpage
;
755 ap
.a_offset
= offset
;
757 DO_OPS(ops
, error
, &ap
, vop_getpages
);
762 vop_putpages(struct vop_ops
*ops
, struct vnode
*vp
, vm_page_t
*m
, int count
,
763 int sync
, int *rtvals
, vm_ooffset_t offset
)
765 struct vop_putpages_args ap
;
768 ap
.a_head
.a_desc
= &vop_putpages_desc
;
769 ap
.a_head
.a_ops
= ops
;
774 ap
.a_rtvals
= rtvals
;
775 ap
.a_offset
= offset
;
777 DO_OPS(ops
, error
, &ap
, vop_putpages
);
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
);
834 vop_aclcheck(struct vop_ops
*ops
, struct vnode
*vp
, acl_type_t type
,
835 struct acl
*aclp
, struct ucred
*cred
)
837 struct vop_aclcheck_args ap
;
840 ap
.a_head
.a_desc
= &vop_aclcheck_desc
;
841 ap
.a_head
.a_ops
= ops
;
847 DO_OPS(ops
, error
, &ap
, vop_aclcheck
);
852 vop_getextattr(struct vop_ops
*ops
, struct vnode
*vp
, char *name
,
853 struct uio
*uio
, struct ucred
*cred
)
855 struct vop_getextattr_args ap
;
858 ap
.a_head
.a_desc
= &vop_getextattr_desc
;
859 ap
.a_head
.a_ops
= ops
;
865 DO_OPS(ops
, error
, &ap
, vop_getextattr
);
870 vop_setextattr(struct vop_ops
*ops
, struct vnode
*vp
, char *name
,
871 struct uio
*uio
, struct ucred
*cred
)
873 struct vop_setextattr_args ap
;
876 ap
.a_head
.a_desc
= &vop_setextattr_desc
;
877 ap
.a_head
.a_ops
= ops
;
883 DO_OPS(ops
, error
, &ap
, vop_setextattr
);
888 vop_mountctl(struct vop_ops
*ops
, int op
, struct file
*fp
,
889 const void *ctl
, int ctllen
, void *buf
, int buflen
, int *res
)
891 struct vop_mountctl_args ap
;
894 ap
.a_head
.a_desc
= &vop_mountctl_desc
;
895 ap
.a_head
.a_ops
= ops
;
899 ap
.a_ctllen
= ctllen
;
901 ap
.a_buflen
= buflen
;
904 DO_OPS(ops
, error
, &ap
, vop_mountctl
);
909 vop_markatime(struct vop_ops
*ops
, struct vnode
*vp
, struct ucred
*cred
)
911 struct vop_markatime_args ap
;
914 ap
.a_head
.a_desc
= &vop_markatime_desc
;
915 ap
.a_head
.a_ops
= ops
;
919 DO_OPS(ops
, error
, &ap
, vop_markatime
);
926 * nresolve takes a locked ncp, a referenced but unlocked dvp, and a cred,
927 * and resolves the ncp into a 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, referenced dvp, and looks
951 * up "..", returning a locked parent directory in *vpp. If an error
952 * occurs *vpp will be NULL.
955 vop_nlookupdotdot(struct vop_ops
*ops
, struct vnode
*dvp
,
956 struct vnode
**vpp
, struct ucred
*cred
, char **fakename
)
958 struct vop_nlookupdotdot_args ap
;
961 ap
.a_head
.a_desc
= &vop_nlookupdotdot_desc
;
962 ap
.a_head
.a_ops
= ops
;
966 ap
.a_fakename
= fakename
;
968 DO_OPS(ops
, error
, &ap
, vop_nlookupdotdot
);
973 * ncreate takes a locked, resolved ncp that typically represents a negative
974 * cache hit and creates the file or node specified by the ncp, cred, and
975 * vattr. If no error occurs a locked vnode is returned in *vpp.
977 * The dvp passed in is referenced but unlocked.
979 * The namecache is automatically adjusted by this function. The ncp
980 * is left locked on return.
983 vop_ncreate(struct vop_ops
*ops
, struct nchandle
*nch
, struct vnode
*dvp
,
984 struct vnode
**vpp
, struct ucred
*cred
, struct vattr
*vap
)
986 struct vop_ncreate_args ap
;
989 ap
.a_head
.a_desc
= &vop_ncreate_desc
;
990 ap
.a_head
.a_ops
= ops
;
997 DO_OPS(ops
, error
, &ap
, vop_ncreate
);
1002 * nmkdir takes a locked, resolved ncp that typically represents a negative
1003 * cache hit and creates the directory specified by the ncp, cred, and
1004 * vattr. If no error occurs a locked vnode is returned in *vpp.
1006 * The dvp passed in is referenced but unlocked.
1008 * The namecache is automatically adjusted by this function. The ncp
1009 * is left locked on return.
1012 vop_nmkdir(struct vop_ops
*ops
, struct nchandle
*nch
, struct vnode
*dvp
,
1013 struct vnode
**vpp
, struct ucred
*cred
, struct vattr
*vap
)
1015 struct vop_nmkdir_args ap
;
1018 ap
.a_head
.a_desc
= &vop_nmkdir_desc
;
1019 ap
.a_head
.a_ops
= ops
;
1026 DO_OPS(ops
, error
, &ap
, vop_nmkdir
);
1031 * nmknod takes a locked, resolved ncp that typically represents a negative
1032 * cache hit and creates the node specified by the ncp, cred, and
1033 * vattr. If no error occurs a locked vnode is returned in *vpp.
1035 * The dvp passed in is referenced but unlocked.
1037 * The namecache is automatically adjusted by this function. The ncp
1038 * is left locked on return.
1041 vop_nmknod(struct vop_ops
*ops
, struct nchandle
*nch
, struct vnode
*dvp
,
1042 struct vnode
**vpp
, struct ucred
*cred
, struct vattr
*vap
)
1044 struct vop_nmknod_args ap
;
1047 ap
.a_head
.a_desc
= &vop_nmknod_desc
;
1048 ap
.a_head
.a_ops
= ops
;
1055 DO_OPS(ops
, error
, &ap
, vop_nmknod
);
1060 * nlink takes a locked, resolved ncp that typically represents a negative
1061 * cache hit and creates the node specified by the ncp, cred, and
1062 * existing vnode. The passed vp must be locked and will remain locked
1063 * on return, as does the ncp, whether an error occurs or not.
1065 * The dvp passed in is referenced but unlocked.
1067 * The namecache is automatically adjusted by this function. The ncp
1068 * is left locked on return.
1071 vop_nlink(struct vop_ops
*ops
, struct nchandle
*nch
, struct vnode
*dvp
,
1072 struct vnode
*vp
, struct ucred
*cred
)
1074 struct vop_nlink_args ap
;
1077 ap
.a_head
.a_desc
= &vop_nlink_desc
;
1078 ap
.a_head
.a_ops
= ops
;
1084 DO_OPS(ops
, error
, &ap
, vop_nlink
);
1089 * nsymlink takes a locked, resolved ncp that typically represents a negative
1090 * cache hit and creates a symbolic link based on cred, vap, and target (the
1091 * contents of the link). If no error occurs a locked vnode is returned in
1094 * The dvp passed in is referenced but unlocked.
1096 * The namecache is automatically adjusted by this function. The ncp
1097 * is left locked on return.
1100 vop_nsymlink(struct vop_ops
*ops
, struct nchandle
*nch
, struct vnode
*dvp
,
1101 struct vnode
**vpp
, struct ucred
*cred
,
1102 struct vattr
*vap
, char *target
)
1104 struct vop_nsymlink_args ap
;
1107 ap
.a_head
.a_desc
= &vop_nsymlink_desc
;
1108 ap
.a_head
.a_ops
= ops
;
1114 ap
.a_target
= target
;
1116 DO_OPS(ops
, error
, &ap
, vop_nsymlink
);
1121 * nwhiteout takes a locked, resolved ncp that can represent a positive or
1122 * negative hit and executes the whiteout function specified in flags.
1124 * The dvp passed in is referenced but unlocked.
1126 * The namecache is automatically adjusted by this function. The ncp
1127 * is left locked on return.
1130 vop_nwhiteout(struct vop_ops
*ops
, struct nchandle
*nch
, struct vnode
*dvp
,
1131 struct ucred
*cred
, int flags
)
1133 struct vop_nwhiteout_args ap
;
1136 ap
.a_head
.a_desc
= &vop_nwhiteout_desc
;
1137 ap
.a_head
.a_ops
= ops
;
1143 DO_OPS(ops
, error
, &ap
, vop_nwhiteout
);
1148 * nremove takes a locked, resolved ncp that generally represents a
1149 * positive hit and removes the file.
1151 * The dvp passed in is referenced but unlocked.
1153 * The namecache is automatically adjusted by this function. The ncp
1154 * is left locked on return.
1157 vop_nremove(struct vop_ops
*ops
, struct nchandle
*nch
, struct vnode
*dvp
,
1160 struct vop_nremove_args ap
;
1163 ap
.a_head
.a_desc
= &vop_nremove_desc
;
1164 ap
.a_head
.a_ops
= ops
;
1169 DO_OPS(ops
, error
, &ap
, vop_nremove
);
1174 * nrmdir takes a locked, resolved ncp that generally represents a
1175 * directory and removes the directory.
1177 * The dvp passed in is referenced but unlocked.
1179 * The namecache is automatically adjusted by this function. The ncp
1180 * is left locked on return.
1183 vop_nrmdir(struct vop_ops
*ops
, struct nchandle
*nch
, struct vnode
*dvp
,
1186 struct vop_nrmdir_args ap
;
1189 ap
.a_head
.a_desc
= &vop_nrmdir_desc
;
1190 ap
.a_head
.a_ops
= ops
;
1195 DO_OPS(ops
, error
, &ap
, vop_nrmdir
);
1200 * nrename takes TWO locked, resolved ncp's and the cred of the caller
1201 * and renames the source ncp to the target ncp. The target ncp may
1202 * represent a positive or negative hit.
1204 * The fdvp and tdvp passed in are referenced but unlocked.
1206 * The namecache is automatically adjusted by this function. The ncp
1207 * is left locked on return. The source ncp is typically changed to
1208 * a negative cache hit and the target ncp typically takes on the
1209 * source ncp's underlying file.
1212 vop_nrename(struct vop_ops
*ops
,
1213 struct nchandle
*fnch
, struct nchandle
*tnch
,
1214 struct vnode
*fdvp
, struct vnode
*tdvp
,
1217 struct vop_nrename_args ap
;
1220 ap
.a_head
.a_desc
= &vop_nrename_desc
;
1221 ap
.a_head
.a_ops
= ops
;
1228 DO_OPS(ops
, error
, &ap
, vop_nrename
);
1232 /************************************************************************
1233 * PRIMARY VNODE OPERATIONS FORWARDING CALLS *
1234 ************************************************************************
1236 * These procedures are called from VFSs such as unionfs and nullfs
1237 * when they wish to forward an operation on one VFS to another. The
1238 * argument structure/message is modified and then directly passed to the
1239 * appropriate routine. This routines may also be called by initiators
1240 * who have an argument structure in hand rather then discreet arguments.
1243 vop_vnoperate_ap(struct vop_generic_args
*ap
)
1245 struct vop_ops
*ops
;
1249 error
= VOCALL(ops
, ap
);
1255 * This routine is called by the cache coherency layer to execute the actual
1256 * VFS operation. If a journaling layer is present we call though it, else
1257 * we call the native VOP functions.
1260 vop_cache_operate_ap(struct vop_generic_args
*ap
)
1262 struct vop_ops
*ops
;
1266 if (ops
->head
.vv_mount
->mnt_vn_journal_ops
)
1267 error
= VOCALL(ops
->head
.vv_mount
->mnt_vn_journal_ops
, ap
);
1269 error
= VOCALL(ops
->head
.vv_mount
->mnt_vn_norm_ops
, ap
);
1275 * This routine is called by the journaling layer to execute the actual
1279 vop_journal_operate_ap(struct vop_generic_args
*ap
)
1281 struct vop_ops
*ops
;
1285 error
= VOCALL(ops
->head
.vv_mount
->mnt_vn_norm_ops
, ap
);
1291 vop_open_ap(struct vop_open_args
*ap
)
1295 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_open
);
1300 vop_close_ap(struct vop_close_args
*ap
)
1304 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_close
);
1309 vop_access_ap(struct vop_access_args
*ap
)
1313 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_access
);
1318 vop_getattr_ap(struct vop_getattr_args
*ap
)
1322 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_getattr
);
1327 vop_setattr_ap(struct vop_setattr_args
*ap
)
1331 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_setattr
);
1336 vop_read_ap(struct vop_read_args
*ap
)
1340 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_read
);
1345 vop_write_ap(struct vop_write_args
*ap
)
1349 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_write
);
1354 vop_ioctl_ap(struct vop_ioctl_args
*ap
)
1358 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_ioctl
);
1363 vop_poll_ap(struct vop_poll_args
*ap
)
1367 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_poll
);
1372 vop_kqfilter_ap(struct vop_kqfilter_args
*ap
)
1376 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_kqfilter
);
1381 vop_mmap_ap(struct vop_mmap_args
*ap
)
1385 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_mmap
);
1390 vop_fsync_ap(struct vop_fsync_args
*ap
)
1394 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_fsync
);
1399 vop_readdir_ap(struct vop_readdir_args
*ap
)
1403 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_readdir
);
1408 vop_readlink_ap(struct vop_readlink_args
*ap
)
1412 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_readlink
);
1417 vop_inactive_ap(struct vop_inactive_args
*ap
)
1421 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_inactive
);
1426 vop_reclaim_ap(struct vop_reclaim_args
*ap
)
1430 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_reclaim
);
1435 vop_bmap_ap(struct vop_bmap_args
*ap
)
1439 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_bmap
);
1444 vop_strategy_ap(struct vop_strategy_args
*ap
)
1448 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_strategy
);
1453 vop_print_ap(struct vop_print_args
*ap
)
1457 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_print
);
1462 vop_pathconf_ap(struct vop_pathconf_args
*ap
)
1466 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_pathconf
);
1471 vop_advlock_ap(struct vop_advlock_args
*ap
)
1475 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_advlock
);
1480 vop_balloc_ap(struct vop_balloc_args
*ap
)
1484 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_balloc
);
1489 vop_reallocblks_ap(struct vop_reallocblks_args
*ap
)
1493 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_reallocblks
);
1498 vop_getpages_ap(struct vop_getpages_args
*ap
)
1502 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_getpages
);
1507 vop_putpages_ap(struct vop_putpages_args
*ap
)
1511 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_putpages
);
1516 vop_freeblks_ap(struct vop_freeblks_args
*ap
)
1520 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_freeblks
);
1525 vop_getacl_ap(struct vop_getacl_args
*ap
)
1529 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_getacl
);
1534 vop_setacl_ap(struct vop_setacl_args
*ap
)
1538 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_setacl
);
1543 vop_aclcheck_ap(struct vop_aclcheck_args
*ap
)
1547 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_aclcheck
);
1552 vop_getextattr_ap(struct vop_getextattr_args
*ap
)
1556 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_getextattr
);
1561 vop_setextattr_ap(struct vop_setextattr_args
*ap
)
1565 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_setextattr
);
1570 vop_mountctl_ap(struct vop_mountctl_args
*ap
)
1574 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_mountctl
);
1579 vop_markatime_ap(struct vop_markatime_args
*ap
)
1583 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_markatime
);
1588 vop_nresolve_ap(struct vop_nresolve_args
*ap
)
1592 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_nresolve
);
1597 vop_nlookupdotdot_ap(struct vop_nlookupdotdot_args
*ap
)
1601 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_nlookupdotdot
);
1606 vop_ncreate_ap(struct vop_ncreate_args
*ap
)
1610 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_ncreate
);
1615 vop_nmkdir_ap(struct vop_nmkdir_args
*ap
)
1619 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_nmkdir
);
1624 vop_nmknod_ap(struct vop_nmknod_args
*ap
)
1628 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_nmknod
);
1633 vop_nlink_ap(struct vop_nlink_args
*ap
)
1637 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_nlink
);
1642 vop_nsymlink_ap(struct vop_nsymlink_args
*ap
)
1646 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_nsymlink
);
1651 vop_nwhiteout_ap(struct vop_nwhiteout_args
*ap
)
1655 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_nwhiteout
);
1660 vop_nremove_ap(struct vop_nremove_args
*ap
)
1664 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_nremove
);
1669 vop_nrmdir_ap(struct vop_nrmdir_args
*ap
)
1673 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_nrmdir
);
1678 vop_nrename_ap(struct vop_nrename_args
*ap
)
1682 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_nrename
);