3 * Copyright (c) 2004 The DragonFly Project. All rights reserved.
5 * This code is derived from software contributed to The DragonFly Project
6 * by Matthew Dillon <dillon@backplane.com>
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in
16 * the documentation and/or other materials provided with the
18 * 3. Neither the name of The DragonFly Project nor the names of its
19 * contributors may be used to endorse or promote products derived
20 * from this software without specific, prior written permission.
22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
23 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
24 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
25 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
26 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
27 * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
28 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
29 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
30 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
31 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
32 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 * $DragonFly: src/sys/kern/vfs_vopops.c,v 1.39 2008/06/19 23:27:35 dillon Exp $
38 #include <sys/param.h>
39 #include <sys/systm.h>
42 #include <sys/dirent.h>
43 #include <sys/domain.h>
44 #include <sys/eventhandler.h>
45 #include <sys/fcntl.h>
46 #include <sys/kernel.h>
47 #include <sys/kthread.h>
48 #include <sys/malloc.h>
50 #include <sys/mount.h>
52 #include <sys/namei.h>
53 #include <sys/reboot.h>
54 #include <sys/socket.h>
56 #include <sys/sysctl.h>
57 #include <sys/syslog.h>
58 #include <sys/vmmeter.h>
59 #include <sys/vnode.h>
60 #include <sys/vfsops.h>
62 #include <machine/limits.h>
65 #include <vm/vm_object.h>
66 #include <vm/vm_extern.h>
67 #include <vm/vm_kern.h>
69 #include <vm/vm_map.h>
70 #include <vm/vm_page.h>
71 #include <vm/vm_pager.h>
72 #include <vm/vnode_pager.h>
73 #include <vm/vm_zone.h>
76 #include <sys/thread2.h>
78 #define VDESCNAME(name) __CONCAT(__CONCAT(vop_,name),_desc)
80 #define VNODEOP_DESC_INIT(name) \
81 struct syslink_desc VDESCNAME(name) = { \
82 __offsetof(struct vop_ops, __CONCAT(vop_, name)), \
85 VNODEOP_DESC_INIT(default);
86 VNODEOP_DESC_INIT(old_lookup
);
87 VNODEOP_DESC_INIT(old_create
);
88 VNODEOP_DESC_INIT(old_whiteout
);
89 VNODEOP_DESC_INIT(old_mknod
);
90 VNODEOP_DESC_INIT(open
);
91 VNODEOP_DESC_INIT(close
);
92 VNODEOP_DESC_INIT(access
);
93 VNODEOP_DESC_INIT(getattr
);
94 VNODEOP_DESC_INIT(setattr
);
95 VNODEOP_DESC_INIT(read
);
96 VNODEOP_DESC_INIT(write
);
97 VNODEOP_DESC_INIT(ioctl
);
98 VNODEOP_DESC_INIT(poll
);
99 VNODEOP_DESC_INIT(kqfilter
);
100 VNODEOP_DESC_INIT(revoke
);
101 VNODEOP_DESC_INIT(mmap
);
102 VNODEOP_DESC_INIT(fsync
);
103 VNODEOP_DESC_INIT(old_remove
);
104 VNODEOP_DESC_INIT(old_link
);
105 VNODEOP_DESC_INIT(old_rename
);
107 VNODEOP_DESC_INIT(old_mkdir
);
108 VNODEOP_DESC_INIT(old_rmdir
);
109 VNODEOP_DESC_INIT(old_symlink
);
110 VNODEOP_DESC_INIT(readdir
);
111 VNODEOP_DESC_INIT(readlink
);
112 VNODEOP_DESC_INIT(inactive
);
113 VNODEOP_DESC_INIT(reclaim
);
114 VNODEOP_DESC_INIT(bmap
);
115 VNODEOP_DESC_INIT(strategy
);
116 VNODEOP_DESC_INIT(print
);
117 VNODEOP_DESC_INIT(pathconf
);
118 VNODEOP_DESC_INIT(advlock
);
119 VNODEOP_DESC_INIT(balloc
);
120 VNODEOP_DESC_INIT(reallocblks
);
121 VNODEOP_DESC_INIT(getpages
);
122 VNODEOP_DESC_INIT(putpages
);
123 VNODEOP_DESC_INIT(freeblks
);
124 VNODEOP_DESC_INIT(getacl
);
125 VNODEOP_DESC_INIT(setacl
);
126 VNODEOP_DESC_INIT(aclcheck
);
127 VNODEOP_DESC_INIT(getextattr
);
128 VNODEOP_DESC_INIT(setextattr
);
129 VNODEOP_DESC_INIT(mountctl
);
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
, struct ucred
*cred
)
265 struct vop_access_args ap
;
268 ap
.a_head
.a_desc
= &vop_access_desc
;
269 ap
.a_head
.a_ops
= ops
;
274 DO_OPS(ops
, error
, &ap
, vop_access
);
279 vop_getattr(struct vop_ops
*ops
, struct vnode
*vp
, struct vattr
*vap
)
281 struct vop_getattr_args ap
;
284 ap
.a_head
.a_desc
= &vop_getattr_desc
;
285 ap
.a_head
.a_ops
= ops
;
289 DO_OPS(ops
, error
, &ap
, vop_getattr
);
292 * mount pointer may be NULL if vnode is dead.
294 if (ops
->head
.vv_mount
&&
295 (ops
->head
.vv_mount
->mnt_kern_flag
& MNTK_FSMID
) == 0) {
296 vap
->va_fsmid
= cache_sync_fsmid_vp(vp
);
302 vop_setattr(struct vop_ops
*ops
, struct vnode
*vp
, struct vattr
*vap
,
305 struct vop_setattr_args ap
;
308 ap
.a_head
.a_desc
= &vop_setattr_desc
;
309 ap
.a_head
.a_ops
= ops
;
314 DO_OPS(ops
, error
, &ap
, vop_setattr
);
316 cache_update_fsmid_vp(vp
);
321 vop_read(struct vop_ops
*ops
, struct vnode
*vp
, struct uio
*uio
, int ioflag
,
324 struct vop_read_args ap
;
327 ap
.a_head
.a_desc
= &vop_read_desc
;
328 ap
.a_head
.a_ops
= ops
;
331 ap
.a_ioflag
= ioflag
;
334 DO_OPS(ops
, error
, &ap
, vop_read
);
339 vop_write(struct vop_ops
*ops
, struct vnode
*vp
, struct uio
*uio
, int ioflag
,
342 struct vop_write_args ap
;
345 ap
.a_head
.a_desc
= &vop_write_desc
;
346 ap
.a_head
.a_ops
= ops
;
349 ap
.a_ioflag
= ioflag
;
352 DO_OPS(ops
, error
, &ap
, vop_write
);
354 cache_update_fsmid_vp(vp
);
359 vop_ioctl(struct vop_ops
*ops
, struct vnode
*vp
, u_long command
, caddr_t data
,
360 int fflag
, struct ucred
*cred
)
362 struct vop_ioctl_args ap
;
365 ap
.a_head
.a_desc
= &vop_ioctl_desc
;
366 ap
.a_head
.a_ops
= ops
;
368 ap
.a_command
= command
;
373 DO_OPS(ops
, error
, &ap
, vop_ioctl
);
378 vop_poll(struct vop_ops
*ops
, struct vnode
*vp
, int events
, struct ucred
*cred
)
380 struct vop_poll_args ap
;
383 ap
.a_head
.a_desc
= &vop_poll_desc
;
384 ap
.a_head
.a_ops
= ops
;
386 ap
.a_events
= events
;
389 DO_OPS(ops
, error
, &ap
, vop_poll
);
394 vop_kqfilter(struct vop_ops
*ops
, struct vnode
*vp
, struct knote
*kn
)
396 struct vop_kqfilter_args ap
;
399 ap
.a_head
.a_desc
= &vop_kqfilter_desc
;
400 ap
.a_head
.a_ops
= ops
;
404 DO_OPS(ops
, error
, &ap
, vop_kqfilter
);
409 vop_revoke(struct vop_ops
*ops
, struct vnode
*vp
, int flags
)
411 struct vop_revoke_args ap
;
414 ap
.a_head
.a_desc
= &vop_revoke_desc
;
415 ap
.a_head
.a_ops
= ops
;
419 DO_OPS(ops
, error
, &ap
, vop_revoke
);
424 vop_mmap(struct vop_ops
*ops
, struct vnode
*vp
, int fflags
, struct ucred
*cred
)
426 struct vop_mmap_args ap
;
429 ap
.a_head
.a_desc
= &vop_mmap_desc
;
430 ap
.a_head
.a_ops
= ops
;
432 ap
.a_fflags
= fflags
;
435 DO_OPS(ops
, error
, &ap
, vop_mmap
);
440 vop_fsync(struct vop_ops
*ops
, struct vnode
*vp
, int waitfor
)
442 struct vop_fsync_args ap
;
445 ap
.a_head
.a_desc
= &vop_fsync_desc
;
446 ap
.a_head
.a_ops
= ops
;
448 ap
.a_waitfor
= waitfor
;
450 DO_OPS(ops
, error
, &ap
, vop_fsync
);
455 vop_old_remove(struct vop_ops
*ops
, struct vnode
*dvp
,
456 struct vnode
*vp
, struct componentname
*cnp
)
458 struct vop_old_remove_args ap
;
461 ap
.a_head
.a_desc
= &vop_old_remove_desc
;
462 ap
.a_head
.a_ops
= ops
;
467 DO_OPS(ops
, error
, &ap
, vop_old_remove
);
472 vop_old_link(struct vop_ops
*ops
, struct vnode
*tdvp
,
473 struct vnode
*vp
, struct componentname
*cnp
)
475 struct vop_old_link_args ap
;
478 ap
.a_head
.a_desc
= &vop_old_link_desc
;
479 ap
.a_head
.a_ops
= ops
;
484 DO_OPS(ops
, error
, &ap
, vop_old_link
);
489 vop_old_rename(struct vop_ops
*ops
,
490 struct vnode
*fdvp
, struct vnode
*fvp
, struct componentname
*fcnp
,
491 struct vnode
*tdvp
, struct vnode
*tvp
, struct componentname
*tcnp
)
493 struct vop_old_rename_args ap
;
496 ap
.a_head
.a_desc
= &vop_old_rename_desc
;
497 ap
.a_head
.a_ops
= ops
;
505 DO_OPS(ops
, error
, &ap
, vop_old_rename
);
510 vop_old_mkdir(struct vop_ops
*ops
, struct vnode
*dvp
,
511 struct vnode
**vpp
, struct componentname
*cnp
, struct vattr
*vap
)
513 struct vop_old_mkdir_args ap
;
516 ap
.a_head
.a_desc
= &vop_old_mkdir_desc
;
517 ap
.a_head
.a_ops
= ops
;
523 DO_OPS(ops
, error
, &ap
, vop_old_mkdir
);
528 vop_old_rmdir(struct vop_ops
*ops
, struct vnode
*dvp
,
529 struct vnode
*vp
, struct componentname
*cnp
)
531 struct vop_old_rmdir_args ap
;
534 ap
.a_head
.a_desc
= &vop_old_rmdir_desc
;
535 ap
.a_head
.a_ops
= ops
;
540 DO_OPS(ops
, error
, &ap
, vop_old_rmdir
);
545 vop_old_symlink(struct vop_ops
*ops
, struct vnode
*dvp
,
546 struct vnode
**vpp
, struct componentname
*cnp
,
547 struct vattr
*vap
, char *target
)
549 struct vop_old_symlink_args ap
;
552 ap
.a_head
.a_desc
= &vop_old_symlink_desc
;
553 ap
.a_head
.a_ops
= ops
;
558 ap
.a_target
= target
;
560 DO_OPS(ops
, error
, &ap
, vop_old_symlink
);
565 vop_readdir(struct vop_ops
*ops
, struct vnode
*vp
, struct uio
*uio
,
566 struct ucred
*cred
, int *eofflag
, int *ncookies
, off_t
**cookies
)
568 struct vop_readdir_args ap
;
571 ap
.a_head
.a_desc
= &vop_readdir_desc
;
572 ap
.a_head
.a_ops
= ops
;
576 ap
.a_eofflag
= eofflag
;
577 ap
.a_ncookies
= ncookies
;
578 ap
.a_cookies
= cookies
;
580 DO_OPS(ops
, error
, &ap
, vop_readdir
);
585 vop_readlink(struct vop_ops
*ops
, struct vnode
*vp
, struct uio
*uio
,
588 struct vop_readlink_args ap
;
591 ap
.a_head
.a_desc
= &vop_readlink_desc
;
592 ap
.a_head
.a_ops
= ops
;
597 DO_OPS(ops
, error
, &ap
, vop_readlink
);
602 vop_inactive(struct vop_ops
*ops
, struct vnode
*vp
)
604 struct vop_inactive_args ap
;
607 ap
.a_head
.a_desc
= &vop_inactive_desc
;
608 ap
.a_head
.a_ops
= ops
;
611 DO_OPS(ops
, error
, &ap
, vop_inactive
);
616 vop_reclaim(struct vop_ops
*ops
, struct vnode
*vp
)
618 struct vop_reclaim_args ap
;
621 ap
.a_head
.a_desc
= &vop_reclaim_desc
;
622 ap
.a_head
.a_ops
= ops
;
625 DO_OPS(ops
, error
, &ap
, vop_reclaim
);
630 vop_bmap(struct vop_ops
*ops
, struct vnode
*vp
, off_t loffset
,
631 off_t
*doffsetp
, int *runp
, int *runb
, buf_cmd_t cmd
)
633 struct vop_bmap_args ap
;
636 ap
.a_head
.a_desc
= &vop_bmap_desc
;
637 ap
.a_head
.a_ops
= ops
;
639 ap
.a_loffset
= loffset
;
640 ap
.a_doffsetp
= doffsetp
;
645 DO_OPS(ops
, error
, &ap
, vop_bmap
);
650 vop_strategy(struct vop_ops
*ops
, struct vnode
*vp
, struct bio
*bio
)
652 struct vop_strategy_args ap
;
655 ap
.a_head
.a_desc
= &vop_strategy_desc
;
656 ap
.a_head
.a_ops
= ops
;
660 DO_OPS(ops
, error
, &ap
, vop_strategy
);
661 if (error
== 0 && bio
->bio_buf
->b_cmd
!= BUF_CMD_READ
)
662 cache_update_fsmid_vp(vp
);
667 vop_print(struct vop_ops
*ops
, struct vnode
*vp
)
669 struct vop_print_args ap
;
672 ap
.a_head
.a_desc
= &vop_print_desc
;
673 ap
.a_head
.a_ops
= ops
;
676 DO_OPS(ops
, error
, &ap
, vop_print
);
681 vop_pathconf(struct vop_ops
*ops
, struct vnode
*vp
, int name
,
684 struct vop_pathconf_args ap
;
687 ap
.a_head
.a_desc
= &vop_pathconf_desc
;
688 ap
.a_head
.a_ops
= ops
;
691 ap
.a_retval
= retval
;
693 DO_OPS(ops
, error
, &ap
, vop_pathconf
);
698 vop_advlock(struct vop_ops
*ops
, struct vnode
*vp
, caddr_t id
, int op
,
699 struct flock
*fl
, int flags
)
701 struct vop_advlock_args ap
;
704 ap
.a_head
.a_desc
= &vop_advlock_desc
;
705 ap
.a_head
.a_ops
= ops
;
712 DO_OPS(ops
, error
, &ap
, vop_advlock
);
717 vop_balloc(struct vop_ops
*ops
, struct vnode
*vp
, off_t startoffset
,
718 int size
, struct ucred
*cred
, int flags
,
721 struct vop_balloc_args ap
;
724 ap
.a_head
.a_desc
= &vop_balloc_desc
;
725 ap
.a_head
.a_ops
= ops
;
727 ap
.a_startoffset
= startoffset
;
733 DO_OPS(ops
, error
, &ap
, vop_balloc
);
738 vop_reallocblks(struct vop_ops
*ops
, struct vnode
*vp
,
739 struct cluster_save
*buflist
)
741 struct vop_reallocblks_args ap
;
744 ap
.a_head
.a_desc
= &vop_reallocblks_desc
;
745 ap
.a_head
.a_ops
= ops
;
747 ap
.a_buflist
= buflist
;
749 DO_OPS(ops
, error
, &ap
, vop_reallocblks
);
754 vop_getpages(struct vop_ops
*ops
, struct vnode
*vp
, vm_page_t
*m
, int count
,
755 int reqpage
, vm_ooffset_t offset
)
757 struct vop_getpages_args ap
;
760 ap
.a_head
.a_desc
= &vop_getpages_desc
;
761 ap
.a_head
.a_ops
= ops
;
765 ap
.a_reqpage
= reqpage
;
766 ap
.a_offset
= offset
;
768 DO_OPS(ops
, error
, &ap
, vop_getpages
);
773 vop_putpages(struct vop_ops
*ops
, struct vnode
*vp
, vm_page_t
*m
, int count
,
774 int sync
, int *rtvals
, vm_ooffset_t offset
)
776 struct vop_putpages_args ap
;
779 ap
.a_head
.a_desc
= &vop_putpages_desc
;
780 ap
.a_head
.a_ops
= ops
;
785 ap
.a_rtvals
= rtvals
;
786 ap
.a_offset
= offset
;
788 DO_OPS(ops
, error
, &ap
, vop_putpages
);
790 cache_update_fsmid_vp(vp
);
795 vop_freeblks(struct vop_ops
*ops
, struct vnode
*vp
, off_t offset
, int length
)
797 struct vop_freeblks_args ap
;
800 ap
.a_head
.a_desc
= &vop_freeblks_desc
;
801 ap
.a_head
.a_ops
= ops
;
803 ap
.a_offset
= offset
;
804 ap
.a_length
= length
;
806 DO_OPS(ops
, error
, &ap
, vop_freeblks
);
811 vop_getacl(struct vop_ops
*ops
, struct vnode
*vp
, acl_type_t type
,
812 struct acl
*aclp
, struct ucred
*cred
)
814 struct vop_getacl_args ap
;
817 ap
.a_head
.a_desc
= &vop_getacl_desc
;
818 ap
.a_head
.a_ops
= ops
;
824 DO_OPS(ops
, error
, &ap
, vop_getacl
);
829 vop_setacl(struct vop_ops
*ops
, struct vnode
*vp
, acl_type_t type
,
830 struct acl
*aclp
, struct ucred
*cred
)
832 struct vop_setacl_args ap
;
835 ap
.a_head
.a_desc
= &vop_setacl_desc
;
836 ap
.a_head
.a_ops
= ops
;
842 DO_OPS(ops
, error
, &ap
, vop_setacl
);
844 cache_update_fsmid_vp(vp
);
849 vop_aclcheck(struct vop_ops
*ops
, struct vnode
*vp
, acl_type_t type
,
850 struct acl
*aclp
, struct ucred
*cred
)
852 struct vop_aclcheck_args ap
;
855 ap
.a_head
.a_desc
= &vop_aclcheck_desc
;
856 ap
.a_head
.a_ops
= ops
;
862 DO_OPS(ops
, error
, &ap
, vop_aclcheck
);
867 vop_getextattr(struct vop_ops
*ops
, struct vnode
*vp
, char *name
,
868 struct uio
*uio
, struct ucred
*cred
)
870 struct vop_getextattr_args ap
;
873 ap
.a_head
.a_desc
= &vop_getextattr_desc
;
874 ap
.a_head
.a_ops
= ops
;
880 DO_OPS(ops
, error
, &ap
, vop_getextattr
);
885 vop_setextattr(struct vop_ops
*ops
, struct vnode
*vp
, char *name
,
886 struct uio
*uio
, struct ucred
*cred
)
888 struct vop_setextattr_args ap
;
891 ap
.a_head
.a_desc
= &vop_setextattr_desc
;
892 ap
.a_head
.a_ops
= ops
;
898 DO_OPS(ops
, error
, &ap
, vop_setextattr
);
900 cache_update_fsmid_vp(vp
);
905 vop_mountctl(struct vop_ops
*ops
, int op
, struct file
*fp
,
906 const void *ctl
, int ctllen
, void *buf
, int buflen
, int *res
)
908 struct vop_mountctl_args ap
;
911 ap
.a_head
.a_desc
= &vop_mountctl_desc
;
912 ap
.a_head
.a_ops
= ops
;
916 ap
.a_ctllen
= ctllen
;
918 ap
.a_buflen
= buflen
;
921 DO_OPS(ops
, error
, &ap
, vop_mountctl
);
926 vop_markatime(struct vop_ops
*ops
, struct vnode
*vp
, struct ucred
*cred
)
928 struct vop_markatime_args ap
;
931 ap
.a_head
.a_desc
= &vop_markatime_desc
;
932 ap
.a_head
.a_ops
= ops
;
936 DO_OPS(ops
, error
, &ap
, vop_markatime
);
943 * nresolve takes a locked ncp, a referenced but unlocked dvp, and a cred,
944 * and resolves the ncp into a positive or negative hit.
946 * The namecache is automatically adjusted by this function. The ncp
947 * is left locked on return.
950 vop_nresolve(struct vop_ops
*ops
, struct nchandle
*nch
,
951 struct vnode
*dvp
, struct ucred
*cred
)
953 struct vop_nresolve_args ap
;
956 ap
.a_head
.a_desc
= &vop_nresolve_desc
;
957 ap
.a_head
.a_ops
= ops
;
962 DO_OPS(ops
, error
, &ap
, vop_nresolve
);
967 * nlookupdotdot takes an unlocked directory, referenced dvp, and looks
968 * up "..", returning a locked parent directory in *vpp. If an error
969 * occurs *vpp will be NULL.
972 vop_nlookupdotdot(struct vop_ops
*ops
, struct vnode
*dvp
,
973 struct vnode
**vpp
, struct ucred
*cred
, char **fakename
)
975 struct vop_nlookupdotdot_args ap
;
978 ap
.a_head
.a_desc
= &vop_nlookupdotdot_desc
;
979 ap
.a_head
.a_ops
= ops
;
983 ap
.a_fakename
= fakename
;
985 DO_OPS(ops
, error
, &ap
, vop_nlookupdotdot
);
990 * ncreate takes a locked, resolved ncp that typically represents a negative
991 * cache hit and creates the file or node specified by the ncp, cred, and
992 * vattr. If no error occurs a locked vnode is returned in *vpp.
994 * The dvp passed in is referenced but unlocked.
996 * The namecache is automatically adjusted by this function. The ncp
997 * is left locked on return.
1000 vop_ncreate(struct vop_ops
*ops
, struct nchandle
*nch
, struct vnode
*dvp
,
1001 struct vnode
**vpp
, struct ucred
*cred
, struct vattr
*vap
)
1003 struct vop_ncreate_args ap
;
1006 ap
.a_head
.a_desc
= &vop_ncreate_desc
;
1007 ap
.a_head
.a_ops
= ops
;
1014 DO_OPS(ops
, error
, &ap
, vop_ncreate
);
1015 if (error
== 0 && *vpp
)
1016 cache_update_fsmid_vp(*vpp
);
1021 * nmkdir takes a locked, resolved ncp that typically represents a negative
1022 * cache hit and creates the directory specified by the ncp, cred, and
1023 * vattr. If no error occurs a locked vnode is returned in *vpp.
1025 * The dvp passed in is referenced but unlocked.
1027 * The namecache is automatically adjusted by this function. The ncp
1028 * is left locked on return.
1031 vop_nmkdir(struct vop_ops
*ops
, struct nchandle
*nch
, struct vnode
*dvp
,
1032 struct vnode
**vpp
, struct ucred
*cred
, struct vattr
*vap
)
1034 struct vop_nmkdir_args ap
;
1037 ap
.a_head
.a_desc
= &vop_nmkdir_desc
;
1038 ap
.a_head
.a_ops
= ops
;
1045 DO_OPS(ops
, error
, &ap
, vop_nmkdir
);
1046 if (error
== 0 && *vpp
)
1047 cache_update_fsmid_vp(*vpp
);
1052 * nmknod takes a locked, resolved ncp that typically represents a negative
1053 * cache hit and creates the node specified by the ncp, cred, and
1054 * vattr. If no error occurs a locked vnode is returned in *vpp.
1056 * The dvp passed in is referenced but unlocked.
1058 * The namecache is automatically adjusted by this function. The ncp
1059 * is left locked on return.
1062 vop_nmknod(struct vop_ops
*ops
, struct nchandle
*nch
, struct vnode
*dvp
,
1063 struct vnode
**vpp
, struct ucred
*cred
, struct vattr
*vap
)
1065 struct vop_nmknod_args ap
;
1068 ap
.a_head
.a_desc
= &vop_nmknod_desc
;
1069 ap
.a_head
.a_ops
= ops
;
1076 DO_OPS(ops
, error
, &ap
, vop_nmknod
);
1077 if (error
== 0 && *vpp
)
1078 cache_update_fsmid_vp(*vpp
);
1083 * nlink takes a locked, resolved ncp that typically represents a negative
1084 * cache hit and creates the node specified by the ncp, cred, and
1085 * existing vnode. The passed vp must be locked and will remain locked
1086 * on return, as does the ncp, whether an error occurs or not.
1088 * The dvp passed in is referenced but unlocked.
1090 * The namecache is automatically adjusted by this function. The ncp
1091 * is left locked on return.
1094 vop_nlink(struct vop_ops
*ops
, struct nchandle
*nch
, struct vnode
*dvp
,
1095 struct vnode
*vp
, struct ucred
*cred
)
1097 struct vop_nlink_args ap
;
1100 ap
.a_head
.a_desc
= &vop_nlink_desc
;
1101 ap
.a_head
.a_ops
= ops
;
1107 DO_OPS(ops
, error
, &ap
, vop_nlink
);
1109 cache_update_fsmid(nch
);
1114 * nsymlink takes a locked, resolved ncp that typically represents a negative
1115 * cache hit and creates a symbolic link based on cred, vap, and target (the
1116 * contents of the link). If no error occurs a locked vnode is returned in
1119 * The dvp passed in is referenced but unlocked.
1121 * The namecache is automatically adjusted by this function. The ncp
1122 * is left locked on return.
1125 vop_nsymlink(struct vop_ops
*ops
, struct nchandle
*nch
, struct vnode
*dvp
,
1126 struct vnode
**vpp
, struct ucred
*cred
,
1127 struct vattr
*vap
, char *target
)
1129 struct vop_nsymlink_args ap
;
1132 ap
.a_head
.a_desc
= &vop_nsymlink_desc
;
1133 ap
.a_head
.a_ops
= ops
;
1139 ap
.a_target
= target
;
1141 DO_OPS(ops
, error
, &ap
, vop_nsymlink
);
1143 cache_update_fsmid(nch
);
1148 * nwhiteout takes a locked, resolved ncp that can represent a positive or
1149 * negative hit and executes the whiteout function specified in flags.
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_nwhiteout(struct vop_ops
*ops
, struct nchandle
*nch
, struct vnode
*dvp
,
1158 struct ucred
*cred
, int flags
)
1160 struct vop_nwhiteout_args ap
;
1163 ap
.a_head
.a_desc
= &vop_nwhiteout_desc
;
1164 ap
.a_head
.a_ops
= ops
;
1170 DO_OPS(ops
, error
, &ap
, vop_nwhiteout
);
1172 cache_update_fsmid(nch
);
1177 * nremove takes a locked, resolved ncp that generally represents a
1178 * positive hit and removes the file.
1180 * The dvp passed in is referenced but unlocked.
1182 * The namecache is automatically adjusted by this function. The ncp
1183 * is left locked on return.
1186 vop_nremove(struct vop_ops
*ops
, struct nchandle
*nch
, struct vnode
*dvp
,
1189 struct vop_nremove_args ap
;
1192 ap
.a_head
.a_desc
= &vop_nremove_desc
;
1193 ap
.a_head
.a_ops
= ops
;
1198 DO_OPS(ops
, error
, &ap
, vop_nremove
);
1200 cache_update_fsmid(nch
);
1205 * nrmdir takes a locked, resolved ncp that generally represents a
1206 * directory and removes the directory.
1208 * The dvp passed in is referenced but unlocked.
1210 * The namecache is automatically adjusted by this function. The ncp
1211 * is left locked on return.
1214 vop_nrmdir(struct vop_ops
*ops
, struct nchandle
*nch
, struct vnode
*dvp
,
1217 struct vop_nrmdir_args ap
;
1220 ap
.a_head
.a_desc
= &vop_nrmdir_desc
;
1221 ap
.a_head
.a_ops
= ops
;
1226 DO_OPS(ops
, error
, &ap
, vop_nrmdir
);
1228 cache_update_fsmid(nch
);
1233 * nrename takes TWO locked, resolved ncp's and the cred of the caller
1234 * and renames the source ncp to the target ncp. The target ncp may
1235 * represent a positive or negative hit.
1237 * The fdvp and tdvp passed in are referenced but unlocked.
1239 * The namecache is automatically adjusted by this function. The ncp
1240 * is left locked on return. The source ncp is typically changed to
1241 * a negative cache hit and the target ncp typically takes on the
1242 * source ncp's underlying file.
1245 vop_nrename(struct vop_ops
*ops
,
1246 struct nchandle
*fnch
, struct nchandle
*tnch
,
1247 struct vnode
*fdvp
, struct vnode
*tdvp
,
1250 struct vop_nrename_args ap
;
1253 ap
.a_head
.a_desc
= &vop_nrename_desc
;
1254 ap
.a_head
.a_ops
= ops
;
1261 DO_OPS(ops
, error
, &ap
, vop_nrename
);
1263 cache_update_fsmid(fnch
);
1264 cache_update_fsmid(tnch
);
1269 /************************************************************************
1270 * PRIMARY VNODE OPERATIONS FORWARDING CALLS *
1271 ************************************************************************
1273 * These procedures are called from VFSs such as unionfs and nullfs
1274 * when they wish to forward an operation on one VFS to another. The
1275 * argument structure/message is modified and then directly passed to the
1276 * appropriate routine. This routines may also be called by initiators
1277 * who have an argument structure in hand rather then discreet arguments.
1280 vop_vnoperate_ap(struct vop_generic_args
*ap
)
1282 struct vop_ops
*ops
;
1286 error
= VOCALL(ops
, ap
);
1292 * This routine is called by the cache coherency layer to execute the actual
1293 * VFS operation. If a journaling layer is present we call though it, else
1294 * we call the native VOP functions.
1297 vop_cache_operate_ap(struct vop_generic_args
*ap
)
1299 struct vop_ops
*ops
;
1303 if (ops
->head
.vv_mount
->mnt_vn_journal_ops
)
1304 error
= VOCALL(ops
->head
.vv_mount
->mnt_vn_journal_ops
, ap
);
1306 error
= VOCALL(ops
->head
.vv_mount
->mnt_vn_norm_ops
, ap
);
1312 * This routine is called by the journaling layer to execute the actual
1316 vop_journal_operate_ap(struct vop_generic_args
*ap
)
1318 struct vop_ops
*ops
;
1322 error
= VOCALL(ops
->head
.vv_mount
->mnt_vn_norm_ops
, ap
);
1328 vop_open_ap(struct vop_open_args
*ap
)
1332 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_open
);
1337 vop_close_ap(struct vop_close_args
*ap
)
1341 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_close
);
1346 vop_access_ap(struct vop_access_args
*ap
)
1350 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_access
);
1355 vop_getattr_ap(struct vop_getattr_args
*ap
)
1359 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_getattr
);
1364 vop_setattr_ap(struct vop_setattr_args
*ap
)
1368 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_setattr
);
1373 vop_read_ap(struct vop_read_args
*ap
)
1377 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_read
);
1382 vop_write_ap(struct vop_write_args
*ap
)
1386 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_write
);
1391 vop_ioctl_ap(struct vop_ioctl_args
*ap
)
1395 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_ioctl
);
1400 vop_poll_ap(struct vop_poll_args
*ap
)
1404 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_poll
);
1409 vop_kqfilter_ap(struct vop_kqfilter_args
*ap
)
1413 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_kqfilter
);
1418 vop_revoke_ap(struct vop_revoke_args
*ap
)
1422 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_revoke
);
1427 vop_mmap_ap(struct vop_mmap_args
*ap
)
1431 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_mmap
);
1436 vop_fsync_ap(struct vop_fsync_args
*ap
)
1440 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_fsync
);
1445 vop_readdir_ap(struct vop_readdir_args
*ap
)
1449 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_readdir
);
1454 vop_readlink_ap(struct vop_readlink_args
*ap
)
1458 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_readlink
);
1463 vop_inactive_ap(struct vop_inactive_args
*ap
)
1467 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_inactive
);
1472 vop_reclaim_ap(struct vop_reclaim_args
*ap
)
1476 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_reclaim
);
1481 vop_bmap_ap(struct vop_bmap_args
*ap
)
1485 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_bmap
);
1490 vop_strategy_ap(struct vop_strategy_args
*ap
)
1494 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_strategy
);
1499 vop_print_ap(struct vop_print_args
*ap
)
1503 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_print
);
1508 vop_pathconf_ap(struct vop_pathconf_args
*ap
)
1512 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_pathconf
);
1517 vop_advlock_ap(struct vop_advlock_args
*ap
)
1521 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_advlock
);
1526 vop_balloc_ap(struct vop_balloc_args
*ap
)
1530 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_balloc
);
1535 vop_reallocblks_ap(struct vop_reallocblks_args
*ap
)
1539 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_reallocblks
);
1544 vop_getpages_ap(struct vop_getpages_args
*ap
)
1548 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_getpages
);
1553 vop_putpages_ap(struct vop_putpages_args
*ap
)
1557 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_putpages
);
1562 vop_freeblks_ap(struct vop_freeblks_args
*ap
)
1566 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_freeblks
);
1571 vop_getacl_ap(struct vop_getacl_args
*ap
)
1575 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_getacl
);
1580 vop_setacl_ap(struct vop_setacl_args
*ap
)
1584 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_setacl
);
1589 vop_aclcheck_ap(struct vop_aclcheck_args
*ap
)
1593 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_aclcheck
);
1598 vop_getextattr_ap(struct vop_getextattr_args
*ap
)
1602 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_getextattr
);
1607 vop_setextattr_ap(struct vop_setextattr_args
*ap
)
1611 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_setextattr
);
1616 vop_mountctl_ap(struct vop_mountctl_args
*ap
)
1620 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_mountctl
);
1625 vop_markatime_ap(struct vop_markatime_args
*ap
)
1629 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_markatime
);
1634 vop_nresolve_ap(struct vop_nresolve_args
*ap
)
1638 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_nresolve
);
1643 vop_nlookupdotdot_ap(struct vop_nlookupdotdot_args
*ap
)
1647 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_nlookupdotdot
);
1652 vop_ncreate_ap(struct vop_ncreate_args
*ap
)
1656 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_ncreate
);
1661 vop_nmkdir_ap(struct vop_nmkdir_args
*ap
)
1665 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_nmkdir
);
1670 vop_nmknod_ap(struct vop_nmknod_args
*ap
)
1674 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_nmknod
);
1679 vop_nlink_ap(struct vop_nlink_args
*ap
)
1683 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_nlink
);
1688 vop_nsymlink_ap(struct vop_nsymlink_args
*ap
)
1692 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_nsymlink
);
1697 vop_nwhiteout_ap(struct vop_nwhiteout_args
*ap
)
1701 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_nwhiteout
);
1706 vop_nremove_ap(struct vop_nremove_args
*ap
)
1710 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_nremove
);
1715 vop_nrmdir_ap(struct vop_nrmdir_args
*ap
)
1719 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_nrmdir
);
1724 vop_nrename_ap(struct vop_nrename_args
*ap
)
1728 DO_OPS(ap
->a_head
.a_ops
, error
, ap
, vop_nrename
);