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 vop_open(struct vop_ops
*ops
, struct vnode
*vp
, int mode
, struct ucred
*cred
,
233 struct vop_open_args ap
;
236 ap
.a_head
.a_desc
= &vop_open_desc
;
237 ap
.a_head
.a_ops
= ops
;
243 DO_OPS(ops
, error
, &ap
, vop_open
);
248 vop_close(struct vop_ops
*ops
, struct vnode
*vp
, int fflag
)
250 struct vop_close_args ap
;
253 ap
.a_head
.a_desc
= &vop_close_desc
;
254 ap
.a_head
.a_ops
= ops
;
258 DO_OPS(ops
, error
, &ap
, vop_close
);
263 vop_access(struct vop_ops
*ops
, struct vnode
*vp
, int mode
, int flags
,
266 struct vop_access_args ap
;
269 ap
.a_head
.a_desc
= &vop_access_desc
;
270 ap
.a_head
.a_ops
= ops
;
276 DO_OPS(ops
, error
, &ap
, vop_access
);
281 vop_getattr(struct vop_ops
*ops
, struct vnode
*vp
, struct vattr
*vap
)
283 struct vop_getattr_args ap
;
286 ap
.a_head
.a_desc
= &vop_getattr_desc
;
287 ap
.a_head
.a_ops
= ops
;
291 DO_OPS(ops
, error
, &ap
, vop_getattr
);
294 * mount pointer may be NULL if vnode is dead.
296 if (ops
->head
.vv_mount
&&
297 (ops
->head
.vv_mount
->mnt_kern_flag
& MNTK_FSMID
) == 0) {
298 vap
->va_fsmid
= cache_sync_fsmid_vp(vp
);
304 vop_setattr(struct vop_ops
*ops
, struct vnode
*vp
, struct vattr
*vap
,
307 struct vop_setattr_args ap
;
310 ap
.a_head
.a_desc
= &vop_setattr_desc
;
311 ap
.a_head
.a_ops
= ops
;
316 DO_OPS(ops
, error
, &ap
, vop_setattr
);
318 cache_update_fsmid_vp(vp
);
323 vop_read(struct vop_ops
*ops
, struct vnode
*vp
, struct uio
*uio
, int ioflag
,
326 struct vop_read_args ap
;
329 ap
.a_head
.a_desc
= &vop_read_desc
;
330 ap
.a_head
.a_ops
= ops
;
333 ap
.a_ioflag
= ioflag
;
336 DO_OPS(ops
, error
, &ap
, vop_read
);
341 vop_write(struct vop_ops
*ops
, struct vnode
*vp
, struct uio
*uio
, int ioflag
,
344 struct vop_write_args ap
;
347 ap
.a_head
.a_desc
= &vop_write_desc
;
348 ap
.a_head
.a_ops
= ops
;
351 ap
.a_ioflag
= ioflag
;
354 DO_OPS(ops
, error
, &ap
, vop_write
);
356 cache_update_fsmid_vp(vp
);
361 vop_ioctl(struct vop_ops
*ops
, struct vnode
*vp
, u_long command
, caddr_t data
,
362 int fflag
, struct ucred
*cred
, struct sysmsg
*msg
)
364 struct vop_ioctl_args ap
;
367 ap
.a_head
.a_desc
= &vop_ioctl_desc
;
368 ap
.a_head
.a_ops
= ops
;
370 ap
.a_command
= command
;
376 DO_OPS(ops
, error
, &ap
, vop_ioctl
);
381 vop_poll(struct vop_ops
*ops
, struct vnode
*vp
, int events
, struct ucred
*cred
)
383 struct vop_poll_args ap
;
386 ap
.a_head
.a_desc
= &vop_poll_desc
;
387 ap
.a_head
.a_ops
= ops
;
389 ap
.a_events
= events
;
392 DO_OPS(ops
, error
, &ap
, vop_poll
);
397 vop_kqfilter(struct vop_ops
*ops
, struct vnode
*vp
, struct knote
*kn
)
399 struct vop_kqfilter_args ap
;
402 ap
.a_head
.a_desc
= &vop_kqfilter_desc
;
403 ap
.a_head
.a_ops
= ops
;
407 DO_OPS(ops
, error
, &ap
, vop_kqfilter
);
412 vop_mmap(struct vop_ops
*ops
, struct vnode
*vp
, int fflags
, struct ucred
*cred
)
414 struct vop_mmap_args ap
;
417 ap
.a_head
.a_desc
= &vop_mmap_desc
;
418 ap
.a_head
.a_ops
= ops
;
420 ap
.a_fflags
= fflags
;
423 DO_OPS(ops
, error
, &ap
, vop_mmap
);
428 vop_fsync(struct vop_ops
*ops
, struct vnode
*vp
, int waitfor
, int flags
)
430 struct vop_fsync_args ap
;
433 ap
.a_head
.a_desc
= &vop_fsync_desc
;
434 ap
.a_head
.a_ops
= ops
;
436 ap
.a_waitfor
= waitfor
;
439 DO_OPS(ops
, error
, &ap
, vop_fsync
);
444 vop_old_remove(struct vop_ops
*ops
, struct vnode
*dvp
,
445 struct vnode
*vp
, struct componentname
*cnp
)
447 struct vop_old_remove_args ap
;
450 ap
.a_head
.a_desc
= &vop_old_remove_desc
;
451 ap
.a_head
.a_ops
= ops
;
456 DO_OPS(ops
, error
, &ap
, vop_old_remove
);
461 vop_old_link(struct vop_ops
*ops
, struct vnode
*tdvp
,
462 struct vnode
*vp
, struct componentname
*cnp
)
464 struct vop_old_link_args ap
;
467 ap
.a_head
.a_desc
= &vop_old_link_desc
;
468 ap
.a_head
.a_ops
= ops
;
473 DO_OPS(ops
, error
, &ap
, vop_old_link
);
478 vop_old_rename(struct vop_ops
*ops
,
479 struct vnode
*fdvp
, struct vnode
*fvp
, struct componentname
*fcnp
,
480 struct vnode
*tdvp
, struct vnode
*tvp
, struct componentname
*tcnp
)
482 struct vop_old_rename_args ap
;
485 ap
.a_head
.a_desc
= &vop_old_rename_desc
;
486 ap
.a_head
.a_ops
= ops
;
494 DO_OPS(ops
, error
, &ap
, vop_old_rename
);
499 vop_old_mkdir(struct vop_ops
*ops
, struct vnode
*dvp
,
500 struct vnode
**vpp
, struct componentname
*cnp
, struct vattr
*vap
)
502 struct vop_old_mkdir_args ap
;
505 ap
.a_head
.a_desc
= &vop_old_mkdir_desc
;
506 ap
.a_head
.a_ops
= ops
;
512 DO_OPS(ops
, error
, &ap
, vop_old_mkdir
);
517 vop_old_rmdir(struct vop_ops
*ops
, struct vnode
*dvp
,
518 struct vnode
*vp
, struct componentname
*cnp
)
520 struct vop_old_rmdir_args ap
;
523 ap
.a_head
.a_desc
= &vop_old_rmdir_desc
;
524 ap
.a_head
.a_ops
= ops
;
529 DO_OPS(ops
, error
, &ap
, vop_old_rmdir
);
534 vop_old_symlink(struct vop_ops
*ops
, struct vnode
*dvp
,
535 struct vnode
**vpp
, struct componentname
*cnp
,
536 struct vattr
*vap
, char *target
)
538 struct vop_old_symlink_args ap
;
541 ap
.a_head
.a_desc
= &vop_old_symlink_desc
;
542 ap
.a_head
.a_ops
= ops
;
547 ap
.a_target
= target
;
549 DO_OPS(ops
, error
, &ap
, vop_old_symlink
);
554 vop_readdir(struct vop_ops
*ops
, struct vnode
*vp
, struct uio
*uio
,
555 struct ucred
*cred
, int *eofflag
, int *ncookies
, off_t
**cookies
)
557 struct vop_readdir_args ap
;
560 ap
.a_head
.a_desc
= &vop_readdir_desc
;
561 ap
.a_head
.a_ops
= ops
;
565 ap
.a_eofflag
= eofflag
;
566 ap
.a_ncookies
= ncookies
;
567 ap
.a_cookies
= cookies
;
569 DO_OPS(ops
, error
, &ap
, vop_readdir
);
574 vop_readlink(struct vop_ops
*ops
, struct vnode
*vp
, struct uio
*uio
,
577 struct vop_readlink_args ap
;
580 ap
.a_head
.a_desc
= &vop_readlink_desc
;
581 ap
.a_head
.a_ops
= ops
;
586 DO_OPS(ops
, error
, &ap
, vop_readlink
);
591 vop_inactive(struct vop_ops
*ops
, struct vnode
*vp
)
593 struct vop_inactive_args ap
;
596 ap
.a_head
.a_desc
= &vop_inactive_desc
;
597 ap
.a_head
.a_ops
= ops
;
600 DO_OPS(ops
, error
, &ap
, vop_inactive
);
605 vop_reclaim(struct vop_ops
*ops
, struct vnode
*vp
)
607 struct vop_reclaim_args ap
;
610 ap
.a_head
.a_desc
= &vop_reclaim_desc
;
611 ap
.a_head
.a_ops
= ops
;
614 DO_OPS(ops
, error
, &ap
, vop_reclaim
);
619 vop_bmap(struct vop_ops
*ops
, struct vnode
*vp
, off_t loffset
,
620 off_t
*doffsetp
, int *runp
, int *runb
, buf_cmd_t cmd
)
622 struct vop_bmap_args ap
;
625 ap
.a_head
.a_desc
= &vop_bmap_desc
;
626 ap
.a_head
.a_ops
= ops
;
628 ap
.a_loffset
= loffset
;
629 ap
.a_doffsetp
= doffsetp
;
634 DO_OPS(ops
, error
, &ap
, vop_bmap
);
639 vop_strategy(struct vop_ops
*ops
, struct vnode
*vp
, struct bio
*bio
)
641 struct vop_strategy_args ap
;
644 ap
.a_head
.a_desc
= &vop_strategy_desc
;
645 ap
.a_head
.a_ops
= ops
;
649 DO_OPS(ops
, error
, &ap
, vop_strategy
);
650 if (error
== 0 && bio
->bio_buf
->b_cmd
!= BUF_CMD_READ
)
651 cache_update_fsmid_vp(vp
);
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
);
779 cache_update_fsmid_vp(vp
);
784 vop_freeblks(struct vop_ops
*ops
, struct vnode
*vp
, off_t offset
, int length
)
786 struct vop_freeblks_args ap
;
789 ap
.a_head
.a_desc
= &vop_freeblks_desc
;
790 ap
.a_head
.a_ops
= ops
;
792 ap
.a_offset
= offset
;
793 ap
.a_length
= length
;
795 DO_OPS(ops
, error
, &ap
, vop_freeblks
);
800 vop_getacl(struct vop_ops
*ops
, struct vnode
*vp
, acl_type_t type
,
801 struct acl
*aclp
, struct ucred
*cred
)
803 struct vop_getacl_args ap
;
806 ap
.a_head
.a_desc
= &vop_getacl_desc
;
807 ap
.a_head
.a_ops
= ops
;
813 DO_OPS(ops
, error
, &ap
, vop_getacl
);
818 vop_setacl(struct vop_ops
*ops
, struct vnode
*vp
, acl_type_t type
,
819 struct acl
*aclp
, struct ucred
*cred
)
821 struct vop_setacl_args ap
;
824 ap
.a_head
.a_desc
= &vop_setacl_desc
;
825 ap
.a_head
.a_ops
= ops
;
831 DO_OPS(ops
, error
, &ap
, vop_setacl
);
833 cache_update_fsmid_vp(vp
);
838 vop_aclcheck(struct vop_ops
*ops
, struct vnode
*vp
, acl_type_t type
,
839 struct acl
*aclp
, struct ucred
*cred
)
841 struct vop_aclcheck_args ap
;
844 ap
.a_head
.a_desc
= &vop_aclcheck_desc
;
845 ap
.a_head
.a_ops
= ops
;
851 DO_OPS(ops
, error
, &ap
, vop_aclcheck
);
856 vop_getextattr(struct vop_ops
*ops
, struct vnode
*vp
, char *name
,
857 struct uio
*uio
, struct ucred
*cred
)
859 struct vop_getextattr_args ap
;
862 ap
.a_head
.a_desc
= &vop_getextattr_desc
;
863 ap
.a_head
.a_ops
= ops
;
869 DO_OPS(ops
, error
, &ap
, vop_getextattr
);
874 vop_setextattr(struct vop_ops
*ops
, struct vnode
*vp
, char *name
,
875 struct uio
*uio
, struct ucred
*cred
)
877 struct vop_setextattr_args ap
;
880 ap
.a_head
.a_desc
= &vop_setextattr_desc
;
881 ap
.a_head
.a_ops
= ops
;
887 DO_OPS(ops
, error
, &ap
, vop_setextattr
);
889 cache_update_fsmid_vp(vp
);
894 vop_mountctl(struct vop_ops
*ops
, int op
, struct file
*fp
,
895 const void *ctl
, int ctllen
, void *buf
, int buflen
, int *res
)
897 struct vop_mountctl_args ap
;
900 ap
.a_head
.a_desc
= &vop_mountctl_desc
;
901 ap
.a_head
.a_ops
= ops
;
905 ap
.a_ctllen
= ctllen
;
907 ap
.a_buflen
= buflen
;
910 DO_OPS(ops
, error
, &ap
, vop_mountctl
);
915 vop_markatime(struct vop_ops
*ops
, struct vnode
*vp
, struct ucred
*cred
)
917 struct vop_markatime_args ap
;
920 ap
.a_head
.a_desc
= &vop_markatime_desc
;
921 ap
.a_head
.a_ops
= ops
;
925 DO_OPS(ops
, error
, &ap
, vop_markatime
);
932 * nresolve takes a locked ncp, a referenced but unlocked dvp, and a cred,
933 * and resolves the ncp into a positive or negative hit.
935 * The namecache is automatically adjusted by this function. The ncp
936 * is left locked on return.
939 vop_nresolve(struct vop_ops
*ops
, struct nchandle
*nch
,
940 struct vnode
*dvp
, struct ucred
*cred
)
942 struct vop_nresolve_args ap
;
945 ap
.a_head
.a_desc
= &vop_nresolve_desc
;
946 ap
.a_head
.a_ops
= ops
;
951 DO_OPS(ops
, error
, &ap
, vop_nresolve
);
956 * nlookupdotdot takes an unlocked directory, referenced dvp, and looks
957 * up "..", returning a locked parent directory in *vpp. If an error
958 * occurs *vpp will be NULL.
961 vop_nlookupdotdot(struct vop_ops
*ops
, struct vnode
*dvp
,
962 struct vnode
**vpp
, struct ucred
*cred
, char **fakename
)
964 struct vop_nlookupdotdot_args ap
;
967 ap
.a_head
.a_desc
= &vop_nlookupdotdot_desc
;
968 ap
.a_head
.a_ops
= ops
;
972 ap
.a_fakename
= fakename
;
974 DO_OPS(ops
, error
, &ap
, vop_nlookupdotdot
);
979 * ncreate takes a locked, resolved ncp that typically represents a negative
980 * cache hit and creates the file or node specified by the ncp, cred, and
981 * vattr. If no error occurs a locked vnode is returned in *vpp.
983 * The dvp passed in is referenced but unlocked.
985 * The namecache is automatically adjusted by this function. The ncp
986 * is left locked on return.
989 vop_ncreate(struct vop_ops
*ops
, struct nchandle
*nch
, struct vnode
*dvp
,
990 struct vnode
**vpp
, struct ucred
*cred
, struct vattr
*vap
)
992 struct vop_ncreate_args ap
;
995 ap
.a_head
.a_desc
= &vop_ncreate_desc
;
996 ap
.a_head
.a_ops
= ops
;
1003 DO_OPS(ops
, error
, &ap
, vop_ncreate
);
1004 if (error
== 0 && *vpp
)
1005 cache_update_fsmid_vp(*vpp
);
1010 * nmkdir takes a locked, resolved ncp that typically represents a negative
1011 * cache hit and creates the directory specified by the ncp, cred, and
1012 * vattr. If no error occurs a locked vnode is returned in *vpp.
1014 * The dvp passed in is referenced but unlocked.
1016 * The namecache is automatically adjusted by this function. The ncp
1017 * is left locked on return.
1020 vop_nmkdir(struct vop_ops
*ops
, struct nchandle
*nch
, struct vnode
*dvp
,
1021 struct vnode
**vpp
, struct ucred
*cred
, struct vattr
*vap
)
1023 struct vop_nmkdir_args ap
;
1026 ap
.a_head
.a_desc
= &vop_nmkdir_desc
;
1027 ap
.a_head
.a_ops
= ops
;
1034 DO_OPS(ops
, error
, &ap
, vop_nmkdir
);
1035 if (error
== 0 && *vpp
)
1036 cache_update_fsmid_vp(*vpp
);
1041 * nmknod takes a locked, resolved ncp that typically represents a negative
1042 * cache hit and creates the node specified by the ncp, cred, and
1043 * vattr. If no error occurs a locked vnode is returned in *vpp.
1045 * The dvp passed in is referenced but unlocked.
1047 * The namecache is automatically adjusted by this function. The ncp
1048 * is left locked on return.
1051 vop_nmknod(struct vop_ops
*ops
, struct nchandle
*nch
, struct vnode
*dvp
,
1052 struct vnode
**vpp
, struct ucred
*cred
, struct vattr
*vap
)
1054 struct vop_nmknod_args ap
;
1057 ap
.a_head
.a_desc
= &vop_nmknod_desc
;
1058 ap
.a_head
.a_ops
= ops
;
1065 DO_OPS(ops
, error
, &ap
, vop_nmknod
);
1066 if (error
== 0 && *vpp
)
1067 cache_update_fsmid_vp(*vpp
);
1072 * nlink takes a locked, resolved ncp that typically represents a negative
1073 * cache hit and creates the node specified by the ncp, cred, and
1074 * existing vnode. The passed vp must be locked and will remain locked
1075 * on return, as does the ncp, whether an error occurs or not.
1077 * The dvp passed in is referenced but unlocked.
1079 * The namecache is automatically adjusted by this function. The ncp
1080 * is left locked on return.
1083 vop_nlink(struct vop_ops
*ops
, struct nchandle
*nch
, struct vnode
*dvp
,
1084 struct vnode
*vp
, struct ucred
*cred
)
1086 struct vop_nlink_args ap
;
1089 ap
.a_head
.a_desc
= &vop_nlink_desc
;
1090 ap
.a_head
.a_ops
= ops
;
1096 DO_OPS(ops
, error
, &ap
, vop_nlink
);
1098 cache_update_fsmid(nch
);
1103 * nsymlink takes a locked, resolved ncp that typically represents a negative
1104 * cache hit and creates a symbolic link based on cred, vap, and target (the
1105 * contents of the link). If no error occurs a locked vnode is returned in
1108 * The dvp passed in is referenced but unlocked.
1110 * The namecache is automatically adjusted by this function. The ncp
1111 * is left locked on return.
1114 vop_nsymlink(struct vop_ops
*ops
, struct nchandle
*nch
, struct vnode
*dvp
,
1115 struct vnode
**vpp
, struct ucred
*cred
,
1116 struct vattr
*vap
, char *target
)
1118 struct vop_nsymlink_args ap
;
1121 ap
.a_head
.a_desc
= &vop_nsymlink_desc
;
1122 ap
.a_head
.a_ops
= ops
;
1128 ap
.a_target
= target
;
1130 DO_OPS(ops
, error
, &ap
, vop_nsymlink
);
1132 cache_update_fsmid(nch
);
1137 * nwhiteout takes a locked, resolved ncp that can represent a positive or
1138 * negative hit and executes the whiteout function specified in flags.
1140 * The dvp passed in is referenced but unlocked.
1142 * The namecache is automatically adjusted by this function. The ncp
1143 * is left locked on return.
1146 vop_nwhiteout(struct vop_ops
*ops
, struct nchandle
*nch
, struct vnode
*dvp
,
1147 struct ucred
*cred
, int flags
)
1149 struct vop_nwhiteout_args ap
;
1152 ap
.a_head
.a_desc
= &vop_nwhiteout_desc
;
1153 ap
.a_head
.a_ops
= ops
;
1159 DO_OPS(ops
, error
, &ap
, vop_nwhiteout
);
1161 cache_update_fsmid(nch
);
1166 * nremove takes a locked, resolved ncp that generally represents a
1167 * positive hit and removes the file.
1169 * The dvp passed in is referenced but unlocked.
1171 * The namecache is automatically adjusted by this function. The ncp
1172 * is left locked on return.
1175 vop_nremove(struct vop_ops
*ops
, struct nchandle
*nch
, struct vnode
*dvp
,
1178 struct vop_nremove_args ap
;
1181 ap
.a_head
.a_desc
= &vop_nremove_desc
;
1182 ap
.a_head
.a_ops
= ops
;
1187 DO_OPS(ops
, error
, &ap
, vop_nremove
);
1189 cache_update_fsmid(nch
);
1194 * nrmdir takes a locked, resolved ncp that generally represents a
1195 * directory and removes the directory.
1197 * The dvp passed in is referenced but unlocked.
1199 * The namecache is automatically adjusted by this function. The ncp
1200 * is left locked on return.
1203 vop_nrmdir(struct vop_ops
*ops
, struct nchandle
*nch
, struct vnode
*dvp
,
1206 struct vop_nrmdir_args ap
;
1209 ap
.a_head
.a_desc
= &vop_nrmdir_desc
;
1210 ap
.a_head
.a_ops
= ops
;
1215 DO_OPS(ops
, error
, &ap
, vop_nrmdir
);
1217 cache_update_fsmid(nch
);
1222 * nrename takes TWO locked, resolved ncp's and the cred of the caller
1223 * and renames the source ncp to the target ncp. The target ncp may
1224 * represent a positive or negative hit.
1226 * The fdvp and tdvp passed in are referenced but unlocked.
1228 * The namecache is automatically adjusted by this function. The ncp
1229 * is left locked on return. The source ncp is typically changed to
1230 * a negative cache hit and the target ncp typically takes on the
1231 * source ncp's underlying file.
1234 vop_nrename(struct vop_ops
*ops
,
1235 struct nchandle
*fnch
, struct nchandle
*tnch
,
1236 struct vnode
*fdvp
, struct vnode
*tdvp
,
1239 struct vop_nrename_args ap
;
1242 ap
.a_head
.a_desc
= &vop_nrename_desc
;
1243 ap
.a_head
.a_ops
= ops
;
1250 DO_OPS(ops
, error
, &ap
, vop_nrename
);
1252 cache_update_fsmid(fnch
);
1253 cache_update_fsmid(tnch
);
1258 /************************************************************************
1259 * PRIMARY VNODE OPERATIONS FORWARDING CALLS *
1260 ************************************************************************
1262 * These procedures are called from VFSs such as unionfs and nullfs
1263 * when they wish to forward an operation on one VFS to another. The
1264 * argument structure/message is modified and then directly passed to the
1265 * appropriate routine. This routines may also be called by initiators
1266 * who have an argument structure in hand rather then discreet arguments.
1269 vop_vnoperate_ap(struct vop_generic_args
*ap
)
1271 struct vop_ops
*ops
;
1275 error
= VOCALL(ops
, ap
);
1281 * This routine is called by the cache coherency layer to execute the actual
1282 * VFS operation. If a journaling layer is present we call though it, else
1283 * we call the native VOP functions.
1286 vop_cache_operate_ap(struct vop_generic_args
*ap
)
1288 struct vop_ops
*ops
;
1292 if (ops
->head
.vv_mount
->mnt_vn_journal_ops
)
1293 error
= VOCALL(ops
->head
.vv_mount
->mnt_vn_journal_ops
, ap
);
1295 error
= VOCALL(ops
->head
.vv_mount
->mnt_vn_norm_ops
, ap
);
1301 * This routine is called by the journaling layer to execute the actual
1305 vop_journal_operate_ap(struct vop_generic_args
*ap
)
1307 struct vop_ops
*ops
;
1311 error
= VOCALL(ops
->head
.vv_mount
->mnt_vn_norm_ops
, ap
);
1317 vop_open_ap(struct vop_open_args
*ap
)
1321 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_open
);
1326 vop_close_ap(struct vop_close_args
*ap
)
1330 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_close
);
1335 vop_access_ap(struct vop_access_args
*ap
)
1339 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_access
);
1344 vop_getattr_ap(struct vop_getattr_args
*ap
)
1348 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_getattr
);
1353 vop_setattr_ap(struct vop_setattr_args
*ap
)
1357 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_setattr
);
1362 vop_read_ap(struct vop_read_args
*ap
)
1366 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_read
);
1371 vop_write_ap(struct vop_write_args
*ap
)
1375 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_write
);
1380 vop_ioctl_ap(struct vop_ioctl_args
*ap
)
1384 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_ioctl
);
1389 vop_poll_ap(struct vop_poll_args
*ap
)
1393 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_poll
);
1398 vop_kqfilter_ap(struct vop_kqfilter_args
*ap
)
1402 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_kqfilter
);
1407 vop_mmap_ap(struct vop_mmap_args
*ap
)
1411 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_mmap
);
1416 vop_fsync_ap(struct vop_fsync_args
*ap
)
1420 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_fsync
);
1425 vop_readdir_ap(struct vop_readdir_args
*ap
)
1429 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_readdir
);
1434 vop_readlink_ap(struct vop_readlink_args
*ap
)
1438 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_readlink
);
1443 vop_inactive_ap(struct vop_inactive_args
*ap
)
1447 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_inactive
);
1452 vop_reclaim_ap(struct vop_reclaim_args
*ap
)
1456 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_reclaim
);
1461 vop_bmap_ap(struct vop_bmap_args
*ap
)
1465 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_bmap
);
1470 vop_strategy_ap(struct vop_strategy_args
*ap
)
1474 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_strategy
);
1479 vop_print_ap(struct vop_print_args
*ap
)
1483 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_print
);
1488 vop_pathconf_ap(struct vop_pathconf_args
*ap
)
1492 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_pathconf
);
1497 vop_advlock_ap(struct vop_advlock_args
*ap
)
1501 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_advlock
);
1506 vop_balloc_ap(struct vop_balloc_args
*ap
)
1510 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_balloc
);
1515 vop_reallocblks_ap(struct vop_reallocblks_args
*ap
)
1519 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_reallocblks
);
1524 vop_getpages_ap(struct vop_getpages_args
*ap
)
1528 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_getpages
);
1533 vop_putpages_ap(struct vop_putpages_args
*ap
)
1537 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_putpages
);
1542 vop_freeblks_ap(struct vop_freeblks_args
*ap
)
1546 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_freeblks
);
1551 vop_getacl_ap(struct vop_getacl_args
*ap
)
1555 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_getacl
);
1560 vop_setacl_ap(struct vop_setacl_args
*ap
)
1564 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_setacl
);
1569 vop_aclcheck_ap(struct vop_aclcheck_args
*ap
)
1573 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_aclcheck
);
1578 vop_getextattr_ap(struct vop_getextattr_args
*ap
)
1582 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_getextattr
);
1587 vop_setextattr_ap(struct vop_setextattr_args
*ap
)
1591 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_setextattr
);
1596 vop_mountctl_ap(struct vop_mountctl_args
*ap
)
1600 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_mountctl
);
1605 vop_markatime_ap(struct vop_markatime_args
*ap
)
1609 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_markatime
);
1614 vop_nresolve_ap(struct vop_nresolve_args
*ap
)
1618 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_nresolve
);
1623 vop_nlookupdotdot_ap(struct vop_nlookupdotdot_args
*ap
)
1627 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_nlookupdotdot
);
1632 vop_ncreate_ap(struct vop_ncreate_args
*ap
)
1636 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_ncreate
);
1641 vop_nmkdir_ap(struct vop_nmkdir_args
*ap
)
1645 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_nmkdir
);
1650 vop_nmknod_ap(struct vop_nmknod_args
*ap
)
1654 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_nmknod
);
1659 vop_nlink_ap(struct vop_nlink_args
*ap
)
1663 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_nlink
);
1668 vop_nsymlink_ap(struct vop_nsymlink_args
*ap
)
1672 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_nsymlink
);
1677 vop_nwhiteout_ap(struct vop_nwhiteout_args
*ap
)
1681 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_nwhiteout
);
1686 vop_nremove_ap(struct vop_nremove_args
*ap
)
1690 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_nremove
);
1695 vop_nrmdir_ap(struct vop_nrmdir_args
*ap
)
1699 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_nrmdir
);
1704 vop_nrename_ap(struct vop_nrename_args
*ap
)
1708 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_nrename
);