Fix "ls: not found" problem during buildworld. mdate.sh script

[dragonfly.git] / sys / kern / vfs_vopops.c

/*
 * 
 * Copyright (c) 2004 The DragonFly Project.  All rights reserved.
 * 
 * This code is derived from software contributed to The DragonFly Project
 * by Matthew Dillon <dillon@backplane.com>
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 * 3. Neither the name of The DragonFly Project nor the names of its
 *    contributors may be used to endorse or promote products derived
 *    from this software without specific, prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE
 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * 
 * $DragonFly: src/sys/kern/vfs_vopops.c,v 1.17 2006/02/17 19:18:06 dillon Exp $
 */

#include <sys/param.h>
#include <sys/systm.h>
#include <sys/buf.h>
#include <sys/conf.h>
#include <sys/dirent.h>
#include <sys/domain.h>
#include <sys/eventhandler.h>
#include <sys/fcntl.h>
#include <sys/kernel.h>
#include <sys/kthread.h>
#include <sys/malloc.h>
#include <sys/mbuf.h>
#include <sys/mount.h>
#include <sys/proc.h>
#include <sys/namei.h>
#include <sys/reboot.h>
#include <sys/socket.h>
#include <sys/stat.h>
#include <sys/sysctl.h>
#include <sys/syslog.h>
#include <sys/vmmeter.h>
#include <sys/vnode.h>
#include <sys/vfsops.h>

#include <machine/limits.h>

#include <vm/vm.h>
#include <vm/vm_object.h>
#include <vm/vm_extern.h>
#include <vm/vm_kern.h>
#include <vm/pmap.h>
#include <vm/vm_map.h>
#include <vm/vm_page.h>
#include <vm/vm_pager.h>
#include <vm/vnode_pager.h>
#include <vm/vm_zone.h>

#include <sys/buf2.h>
#include <sys/thread2.h>

#define VOFFNAME(name)  __CONCAT(__CONCAT(vop_,name),_vp_offsets)
#define VDESCNAME(name) __CONCAT(__CONCAT(vop_,name),_desc)
#define VARGSSTRUCT(name) struct __CONCAT(__CONCAT(vop_,name),_args)

#define VNODEOP_DESC_INIT(name, flags, vpoffs, vpp, cred, proc, comp)   \
        struct vnodeop_desc VDESCNAME(name) = {                         \
                __offsetof(struct vop_ops, __CONCAT(vop_, name)),       \
                #name, flags, vpoffs, vpp, cred, proc, comp }

#define VNODEOP_DESC_INIT_SIMPLE(name)                                  \
        VNODEOP_DESC_INIT(name, 0, NULL,                                \
                VDESC_NO_OFFSET,                                        \
                VDESC_NO_OFFSET,                                        \
                VDESC_NO_OFFSET,                                        \
                VDESC_NO_OFFSET)

#define VNODEOP_DESC_INIT_VP(name)                                      \
        static int VOFFNAME(name)[] = {                                 \
                __offsetof(VARGSSTRUCT(name), a_vp),                    \
                VDESC_NO_OFFSET };                                      \
        VNODEOP_DESC_INIT(name, 0, VOFFNAME(name),                      \
                VDESC_NO_OFFSET,                                        \
                VDESC_NO_OFFSET,                                        \
                VDESC_NO_OFFSET,                                        \
                VDESC_NO_OFFSET)

#define VNODEOP_DESC_INIT_VP_VPP(name)                                  \
        static int VOFFNAME(name)[] = {                                 \
                __offsetof(VARGSSTRUCT(name), a_vp),                    \
                VDESC_NO_OFFSET };                                      \
        VNODEOP_DESC_INIT(name, 0, VOFFNAME(name),                      \
                __offsetof(VARGSSTRUCT(name), a_vpp),                   \
                VDESC_NO_OFFSET,                                        \
                VDESC_NO_OFFSET,                                        \
                VDESC_NO_OFFSET)

#define VNODEOP_DESC_INIT_VP_CRED(name)                                 \
        static int VOFFNAME(name)[] = {                                 \
                __offsetof(VARGSSTRUCT(name), a_vp),                    \
                VDESC_NO_OFFSET };                                      \
        VNODEOP_DESC_INIT(name, 0, VOFFNAME(name),                      \
                VDESC_NO_OFFSET,                                        \
                __offsetof(VARGSSTRUCT(name), a_cred),                  \
                VDESC_NO_OFFSET,                                        \
                VDESC_NO_OFFSET)

#define VNODEOP_DESC_INIT_NCP(name)                                     \
        VNODEOP_DESC_INIT(name, 0, NULL,                                \
                VDESC_NO_OFFSET,                                        \
                VDESC_NO_OFFSET,                                        \
                VDESC_NO_OFFSET,                                        \
                VDESC_NO_OFFSET)

#define VNODEOP_DESC_INIT_NCP2_CRED(name)                               \
        VNODEOP_DESC_INIT(name, 0, NULL,                                \
                VDESC_NO_OFFSET,                                        \
                __offsetof(VARGSSTRUCT(name), a_cred),                  \
                VDESC_NO_OFFSET,                                        \
                VDESC_NO_OFFSET)

#define VNODEOP_DESC_INIT_NCP_CRED(name)                                \
        VNODEOP_DESC_INIT(name, 0, NULL,                                \
                VDESC_NO_OFFSET,                                        \
                __offsetof(VARGSSTRUCT(name), a_cred),                  \
                VDESC_NO_OFFSET,                                        \
                VDESC_NO_OFFSET)

#define VNODEOP_DESC_INIT_NCP_VP_CRED(name)                             \
        static int VOFFNAME(name)[] = {                                 \
                __offsetof(VARGSSTRUCT(name), a_vp),                    \
                VDESC_NO_OFFSET };                                      \
        VNODEOP_DESC_INIT(name, 0, VOFFNAME(name),                      \
                VDESC_NO_OFFSET,                                        \
                __offsetof(VARGSSTRUCT(name), a_cred),                  \
                VDESC_NO_OFFSET,                                        \
                VDESC_NO_OFFSET)

#define VNODEOP_DESC_INIT_NCP_CRED_VPP(name)                            \
        VNODEOP_DESC_INIT(name, 0, NULL,                                \
                __offsetof(VARGSSTRUCT(name), a_vpp),                   \
                __offsetof(VARGSSTRUCT(name), a_cred),                  \
                VDESC_NO_OFFSET,                                        \
                VDESC_NO_OFFSET)

#define VNODEOP_DESC_INIT_DVP_VPP_CNP(name)                             \
        static int VOFFNAME(name)[] = {                                 \
                __offsetof(VARGSSTRUCT(name), a_dvp),                   \
                VDESC_NO_OFFSET };                                      \
        VNODEOP_DESC_INIT(name, 0, VOFFNAME(name),                      \
                __offsetof(VARGSSTRUCT(name), a_vpp),                   \
                VDESC_NO_OFFSET,                                        \
                VDESC_NO_OFFSET,                                        \
                __offsetof(VARGSSTRUCT(name), a_cnp))

#define VNODEOP_DESC_INIT_DVP_VPP_CRED(name)                            \
        static int VOFFNAME(name)[] = {                                 \
                __offsetof(VARGSSTRUCT(name), a_dvp),                   \
                VDESC_NO_OFFSET };                                      \
        VNODEOP_DESC_INIT(name, 0, VOFFNAME(name),                      \
                __offsetof(VARGSSTRUCT(name), a_vpp),                   \
                __offsetof(VARGSSTRUCT(name), a_cred),                  \
                VDESC_NO_OFFSET,                                        \
                VDESC_NO_OFFSET)

#define VNODEOP_DESC_INIT_DVP_CNP(name)                                 \
        static int VOFFNAME(name)[] = {                                 \
                __offsetof(VARGSSTRUCT(name), a_dvp),                   \
                VDESC_NO_OFFSET };                                      \
        VNODEOP_DESC_INIT(name, 0, VOFFNAME(name),                      \
                VDESC_NO_OFFSET,                                        \
                VDESC_NO_OFFSET,                                        \
                VDESC_NO_OFFSET,                                        \
                __offsetof(VARGSSTRUCT(name), a_cnp))

#define VNODEOP_DESC_INIT_DVP_VP_CNP(name)                              \
        static int VOFFNAME(name)[] = {                                 \
                __offsetof(VARGSSTRUCT(name), a_dvp),                   \
                __offsetof(VARGSSTRUCT(name), a_vp),                    \
                VDESC_NO_OFFSET };                                      \
        VNODEOP_DESC_INIT(name, 0, VOFFNAME(name),                      \
                VDESC_NO_OFFSET,                                        \
                VDESC_NO_OFFSET,                                        \
                VDESC_NO_OFFSET,                                        \
                __offsetof(VARGSSTRUCT(name), a_cnp))

#define VNODEOP_DESC_INIT_TDVP_VP_CNP(name)                             \
        static int VOFFNAME(name)[] = {                                 \
                __offsetof(VARGSSTRUCT(name), a_tdvp),                  \
                __offsetof(VARGSSTRUCT(name), a_vp),                    \
                VDESC_NO_OFFSET };                                      \
        VNODEOP_DESC_INIT(name, 0, VOFFNAME(name),                      \
                VDESC_NO_OFFSET,                                        \
                VDESC_NO_OFFSET,                                        \
                VDESC_NO_OFFSET,                                        \
                __offsetof(VARGSSTRUCT(name), a_cnp))

VNODEOP_DESC_INIT_SIMPLE(default);
VNODEOP_DESC_INIT_VP(islocked);
VNODEOP_DESC_INIT_DVP_VPP_CNP(old_lookup);
VNODEOP_DESC_INIT_DVP_VPP_CNP(old_create);
VNODEOP_DESC_INIT_DVP_CNP(old_whiteout);
VNODEOP_DESC_INIT_DVP_VPP_CNP(old_mknod);
VNODEOP_DESC_INIT_VP_CRED(open);
VNODEOP_DESC_INIT_VP(close);
VNODEOP_DESC_INIT_VP_CRED(access);
VNODEOP_DESC_INIT_VP(getattr);
VNODEOP_DESC_INIT_VP_CRED(setattr);
VNODEOP_DESC_INIT_VP_CRED(read);
VNODEOP_DESC_INIT_VP_CRED(write);
VNODEOP_DESC_INIT_VP_CRED(lease);
VNODEOP_DESC_INIT_VP_CRED(ioctl);
VNODEOP_DESC_INIT_VP_CRED(poll);
VNODEOP_DESC_INIT_VP(kqfilter);
VNODEOP_DESC_INIT_VP(revoke);
VNODEOP_DESC_INIT_VP_CRED(mmap);
VNODEOP_DESC_INIT_VP(fsync);
VNODEOP_DESC_INIT_DVP_VP_CNP(old_remove);
VNODEOP_DESC_INIT_TDVP_VP_CNP(old_link);

static int VOFFNAME(old_rename)[] = { 
        __offsetof(VARGSSTRUCT(old_rename), a_fdvp),
        __offsetof(VARGSSTRUCT(old_rename), a_fvp),
        __offsetof(VARGSSTRUCT(old_rename), a_tdvp),
        __offsetof(VARGSSTRUCT(old_rename), a_tvp),
        VDESC_NO_OFFSET
};
VNODEOP_DESC_INIT(old_rename, 
        VDESC_VP0_WILLRELE|VDESC_VP1_WILLRELE|
         VDESC_VP2_WILLRELE|VDESC_VP3_WILLRELE|
         VDESC_VP2_WILLUNLOCK|VDESC_VP3_WILLUNLOCK, /* tdvp and tvp */
        VOFFNAME(old_rename),
        VDESC_NO_OFFSET,
        VDESC_NO_OFFSET,
        VDESC_NO_OFFSET,
        __offsetof(VARGSSTRUCT(old_rename), a_fcnp));

VNODEOP_DESC_INIT_DVP_VPP_CNP(old_mkdir);
VNODEOP_DESC_INIT_DVP_VP_CNP(old_rmdir);
VNODEOP_DESC_INIT_DVP_VPP_CNP(old_symlink);
VNODEOP_DESC_INIT_VP_CRED(readdir);
VNODEOP_DESC_INIT_VP_CRED(readlink);
VNODEOP_DESC_INIT_VP(inactive);
VNODEOP_DESC_INIT_VP(reclaim);
VNODEOP_DESC_INIT_VP(lock);
VNODEOP_DESC_INIT_VP(unlock);
VNODEOP_DESC_INIT_VP_VPP(bmap);
VNODEOP_DESC_INIT_VP(strategy);
VNODEOP_DESC_INIT_VP(print);
VNODEOP_DESC_INIT_VP(pathconf);
VNODEOP_DESC_INIT_VP(advlock);
VNODEOP_DESC_INIT_VP_CRED(balloc);
VNODEOP_DESC_INIT_VP(reallocblks);
VNODEOP_DESC_INIT_VP(getpages);
VNODEOP_DESC_INIT_VP(putpages);
VNODEOP_DESC_INIT_VP(freeblks);
VNODEOP_DESC_INIT_VP(bwrite);
VNODEOP_DESC_INIT_VP_CRED(getacl);
VNODEOP_DESC_INIT_VP_CRED(setacl);
VNODEOP_DESC_INIT_VP_CRED(aclcheck);
VNODEOP_DESC_INIT_VP_CRED(getextattr);
VNODEOP_DESC_INIT_VP_CRED(setextattr);
VNODEOP_DESC_INIT_VP(createvobject);
VNODEOP_DESC_INIT_VP(destroyvobject);
VNODEOP_DESC_INIT_VP(getvobject);
VNODEOP_DESC_INIT_SIMPLE(mountctl);

VNODEOP_DESC_INIT_NCP_CRED(nresolve);
VNODEOP_DESC_INIT_DVP_VPP_CRED(nlookupdotdot);
VNODEOP_DESC_INIT_NCP_CRED_VPP(ncreate);
VNODEOP_DESC_INIT_NCP_CRED_VPP(nmkdir);
VNODEOP_DESC_INIT_NCP_CRED_VPP(nmknod);
VNODEOP_DESC_INIT_NCP_VP_CRED(nlink);
VNODEOP_DESC_INIT_NCP_CRED_VPP(nsymlink);
VNODEOP_DESC_INIT_NCP_CRED(nwhiteout);
VNODEOP_DESC_INIT_NCP_CRED(nremove);
VNODEOP_DESC_INIT_NCP_CRED(nrmdir);
VNODEOP_DESC_INIT_NCP2_CRED(nrename);

#define DO_OPS(ops, error, ap, vop_field)       \
        error = ops->vop_field(ap);

/************************************************************************
 *              PRIMARY HIGH LEVEL VNODE OPERATIONS CALLS               *
 ************************************************************************
 *
 * These procedures are called directly from the kernel and/or fileops 
 * code to perform file/device operations on the system.
 *
 * NOTE: The old namespace api functions such as vop_rename() are no longer
 * available for general use and have been renamed to vop_old_*().  Only 
 * the code in vfs_default.c is allowed to call those ops.
 */

int
vop_islocked(struct vop_ops *ops, struct vnode *vp, struct thread *td)
{
        struct vop_islocked_args ap;
        int error;

        ap.a_head.a_desc = &vop_islocked_desc;
        ap.a_head.a_ops = ops;
        ap.a_vp = vp;
        ap.a_td = td;

        DO_OPS(ops, error, &ap, vop_islocked);
        return(error);
}

int
vop_old_lookup(struct vop_ops *ops, struct vnode *dvp,
        struct vnode **vpp, struct componentname *cnp)
{
        struct vop_old_lookup_args ap;
        int error;

        ap.a_head.a_desc = &vop_old_lookup_desc;
        ap.a_head.a_ops = ops;
        ap.a_dvp = dvp;
        ap.a_vpp = vpp;
        ap.a_cnp = cnp;

        DO_OPS(ops, error, &ap, vop_old_lookup);
        return(error);
}

int
vop_old_create(struct vop_ops *ops, struct vnode *dvp,
        struct vnode **vpp, struct componentname *cnp, struct vattr *vap)
{
        struct vop_old_create_args ap;
        int error;

        ap.a_head.a_desc = &vop_old_create_desc;
        ap.a_head.a_ops = ops;
        ap.a_dvp = dvp;
        ap.a_vpp = vpp;
        ap.a_cnp = cnp;
        ap.a_vap = vap;

        DO_OPS(ops, error, &ap, vop_old_create);
        return(error);
}

int
vop_old_whiteout(struct vop_ops *ops, struct vnode *dvp,
        struct componentname *cnp, int flags)
{
        struct vop_old_whiteout_args ap;
        int error;

        ap.a_head.a_desc = &vop_old_whiteout_desc;
        ap.a_head.a_ops = ops;
        ap.a_dvp = dvp;
        ap.a_cnp = cnp;
        ap.a_flags = flags;

        DO_OPS(ops, error, &ap, vop_old_whiteout);
        return(error);
}

int
vop_old_mknod(struct vop_ops *ops, struct vnode *dvp, 
        struct vnode **vpp, struct componentname *cnp, struct vattr *vap)
{
        struct vop_old_mknod_args ap;
        int error;

        ap.a_head.a_desc = &vop_old_mknod_desc;
        ap.a_head.a_ops = ops;
        ap.a_dvp = dvp;
        ap.a_vpp = vpp;
        ap.a_cnp = cnp;
        ap.a_vap = vap;

        DO_OPS(ops, error, &ap, vop_old_mknod);
        return(error);
}

int
vop_open(struct vop_ops *ops, struct vnode *vp, int mode, struct ucred *cred,
        struct file *fp, struct thread *td)
{
        struct vop_open_args ap;
        int error;

        ap.a_head.a_desc = &vop_open_desc;
        ap.a_head.a_ops = ops;
        ap.a_vp = vp;
        ap.a_fp = fp;
        ap.a_mode = mode;
        ap.a_cred = cred;
        ap.a_td = td;

        DO_OPS(ops, error, &ap, vop_open);
        return(error);
}

int
vop_close(struct vop_ops *ops, struct vnode *vp, int fflag, struct thread *td)
{
        struct vop_close_args ap;
        int error;

        ap.a_head.a_desc = &vop_close_desc;
        ap.a_head.a_ops = ops;
        ap.a_vp = vp;
        ap.a_fflag = fflag;
        ap.a_td = td;

        DO_OPS(ops, error, &ap, vop_close);
        return(error);
}

int
vop_access(struct vop_ops *ops, struct vnode *vp, int mode, struct ucred *cred,
        struct thread *td)
{
        struct vop_access_args ap;
        int error;

        ap.a_head.a_desc = &vop_access_desc;
        ap.a_head.a_ops = ops;
        ap.a_vp = vp;
        ap.a_mode = mode;
        ap.a_cred = cred;
        ap.a_td = td;

        DO_OPS(ops, error, &ap, vop_access);
        return(error);
}

int
vop_getattr(struct vop_ops *ops, struct vnode *vp, struct vattr *vap,
        struct thread *td)
{
        struct vop_getattr_args ap;
        struct namecache *ncp;
        int error;

        ap.a_head.a_desc = &vop_getattr_desc;
        ap.a_head.a_ops = ops;
        ap.a_vp = vp;
        ap.a_vap = vap;
        ap.a_td = td;

        DO_OPS(ops, error, &ap, vop_getattr);
        if ((ops->vv_flags & VVF_SUPPORTS_FSMID) == 0) {
                if ((ncp = TAILQ_FIRST(&vp->v_namecache)) != NULL) {
                        if (ncp->nc_flag & NCF_FSMID) {
                                ncp->nc_flag &= ~NCF_FSMID;
                                ++ncp->nc_fsmid;
                        }
                        vap->va_fsmid = ncp->nc_fsmid;
                }
        }
        return(error);
}

int
vop_setattr(struct vop_ops *ops, struct vnode *vp, struct vattr *vap,
        struct ucred *cred, struct thread *td)
{
        struct vop_setattr_args ap;
        int error;

        ap.a_head.a_desc = &vop_setattr_desc;
        ap.a_head.a_ops = ops;
        ap.a_vp = vp;
        ap.a_vap = vap;
        ap.a_cred = cred;
        ap.a_td = td;

        DO_OPS(ops, error, &ap, vop_setattr);
        if (error == 0)
                cache_update_fsmid_vp(vp);
        return(error);
}

int
vop_read(struct vop_ops *ops, struct vnode *vp, struct uio *uio, int ioflag,
        struct ucred *cred)
{
        struct vop_read_args ap;
        int error;

        ap.a_head.a_desc = &vop_read_desc;
        ap.a_head.a_ops = ops;
        ap.a_vp = vp;
        ap.a_uio = uio;
        ap.a_ioflag = ioflag;
        ap.a_cred = cred;

        DO_OPS(ops, error, &ap, vop_read);
        return(error);
}

int
vop_write(struct vop_ops *ops, struct vnode *vp, struct uio *uio, int ioflag,
        struct ucred *cred)
{
        struct vop_write_args ap;
        int error;

        ap.a_head.a_desc = &vop_write_desc;
        ap.a_head.a_ops = ops;
        ap.a_vp = vp;
        ap.a_uio = uio;
        ap.a_ioflag = ioflag;
        ap.a_cred = cred;

        DO_OPS(ops, error, &ap, vop_write);
        if (error == 0)
                cache_update_fsmid_vp(vp);
        return(error);
}

int
vop_lease(struct vop_ops *ops, struct vnode *vp, struct thread *td,
        struct ucred *cred, int flag)
{
        struct vop_lease_args ap;
        int error;

        ap.a_head.a_desc = &vop_lease_desc;
        ap.a_head.a_ops = ops;
        ap.a_vp = vp;
        ap.a_td = td;
        ap.a_cred = cred;
        ap.a_flag = flag;

        DO_OPS(ops, error, &ap, vop_lease);
        return(error);
}

int
vop_ioctl(struct vop_ops *ops, struct vnode *vp, u_long command, caddr_t data,
        int fflag, struct ucred *cred,
        struct thread *td)
{
        struct vop_ioctl_args ap;
        int error;

        ap.a_head.a_desc = &vop_ioctl_desc;
        ap.a_head.a_ops = ops;
        ap.a_vp = vp;
        ap.a_command = command;
        ap.a_data = data;
        ap.a_fflag = fflag;
        ap.a_cred = cred;
        ap.a_td = td;

        DO_OPS(ops, error, &ap, vop_ioctl);
        return(error);
}

int
vop_poll(struct vop_ops *ops, struct vnode *vp, int events, struct ucred *cred,
        struct thread *td)
{
        struct vop_poll_args ap;
        int error;

        ap.a_head.a_desc = &vop_poll_desc;
        ap.a_head.a_ops = ops;
        ap.a_vp = vp;
        ap.a_events = events;
        ap.a_cred = cred;
        ap.a_td = td;

        DO_OPS(ops, error, &ap, vop_poll);
        return(error);
}

int
vop_kqfilter(struct vop_ops *ops, struct vnode *vp, struct knote *kn)
{
        struct vop_kqfilter_args ap;
        int error;

        ap.a_head.a_desc = &vop_kqfilter_desc;
        ap.a_head.a_ops = ops;
        ap.a_vp = vp;
        ap.a_kn = kn;

        DO_OPS(ops, error, &ap, vop_kqfilter);
        return(error);
}

int
vop_revoke(struct vop_ops *ops, struct vnode *vp, int flags)
{
        struct vop_revoke_args ap;
        int error;

        ap.a_head.a_desc = &vop_revoke_desc;
        ap.a_head.a_ops = ops;
        ap.a_vp = vp;
        ap.a_flags = flags;

        DO_OPS(ops, error, &ap, vop_revoke);
        return(error);
}

int
vop_mmap(struct vop_ops *ops, struct vnode *vp, int fflags, struct ucred *cred,
        struct thread *td)
{
        struct vop_mmap_args ap;
        int error;

        ap.a_head.a_desc = &vop_mmap_desc;
        ap.a_head.a_ops = ops;
        ap.a_vp = vp;
        ap.a_fflags = fflags;
        ap.a_cred = cred;
        ap.a_td = td;

        DO_OPS(ops, error, &ap, vop_mmap);
        return(error);
}

int
vop_fsync(struct vop_ops *ops, struct vnode *vp, int waitfor, struct thread *td)
{
        struct vop_fsync_args ap;
        int error;

        ap.a_head.a_desc = &vop_fsync_desc;
        ap.a_head.a_ops = ops;
        ap.a_vp = vp;
        ap.a_waitfor = waitfor;
        ap.a_td = td;

        DO_OPS(ops, error, &ap, vop_fsync);
        return(error);
}

int
vop_old_remove(struct vop_ops *ops, struct vnode *dvp, 
        struct vnode *vp, struct componentname *cnp)
{
        struct vop_old_remove_args ap;
        int error;

        ap.a_head.a_desc = &vop_old_remove_desc;
        ap.a_head.a_ops = ops;
        ap.a_dvp = dvp;
        ap.a_vp = vp;
        ap.a_cnp = cnp;

        DO_OPS(ops, error, &ap, vop_old_remove);
        return(error);
}

int
vop_old_link(struct vop_ops *ops, struct vnode *tdvp, 
        struct vnode *vp, struct componentname *cnp)
{
        struct vop_old_link_args ap;
        int error;

        ap.a_head.a_desc = &vop_old_link_desc;
        ap.a_head.a_ops = ops;
        ap.a_tdvp = tdvp;
        ap.a_vp = vp;
        ap.a_cnp = cnp;

        DO_OPS(ops, error, &ap, vop_old_link);
        return(error);
}

int
vop_old_rename(struct vop_ops *ops, 
           struct vnode *fdvp, struct vnode *fvp, struct componentname *fcnp,
           struct vnode *tdvp, struct vnode *tvp, struct componentname *tcnp)
{
        struct vop_old_rename_args ap;
        int error;

        ap.a_head.a_desc = &vop_old_rename_desc;
        ap.a_head.a_ops = ops;
        ap.a_fdvp = fdvp;
        ap.a_fvp = fvp;
        ap.a_fcnp = fcnp;
        ap.a_tdvp = tdvp;
        ap.a_tvp = tvp;
        ap.a_tcnp = tcnp;

        DO_OPS(ops, error, &ap, vop_old_rename);
        return(error);
}

int
vop_old_mkdir(struct vop_ops *ops, struct vnode *dvp, 
        struct vnode **vpp, struct componentname *cnp, struct vattr *vap)
{
        struct vop_old_mkdir_args ap;
        int error;

        ap.a_head.a_desc = &vop_old_mkdir_desc;
        ap.a_head.a_ops = ops;
        ap.a_dvp = dvp;
        ap.a_vpp = vpp;
        ap.a_cnp = cnp;
        ap.a_vap = vap;

        DO_OPS(ops, error, &ap, vop_old_mkdir);
        return(error);
}

int
vop_old_rmdir(struct vop_ops *ops, struct vnode *dvp, 
        struct vnode *vp, struct componentname *cnp)
{
        struct vop_old_rmdir_args ap;
        int error;

        ap.a_head.a_desc = &vop_old_rmdir_desc;
        ap.a_head.a_ops = ops;
        ap.a_dvp = dvp;
        ap.a_vp = vp;
        ap.a_cnp = cnp;

        DO_OPS(ops, error, &ap, vop_old_rmdir);
        return(error);
}

int
vop_old_symlink(struct vop_ops *ops, struct vnode *dvp,
        struct vnode **vpp, struct componentname *cnp,
        struct vattr *vap, char *target)
{
        struct vop_old_symlink_args ap;
        int error;

        ap.a_head.a_desc = &vop_old_symlink_desc;
        ap.a_head.a_ops = ops;
        ap.a_dvp = dvp;
        ap.a_vpp = vpp;
        ap.a_cnp = cnp;
        ap.a_vap = vap;
        ap.a_target = target;

        DO_OPS(ops, error, &ap, vop_old_symlink);
        return(error);
}

int
vop_readdir(struct vop_ops *ops, struct vnode *vp, struct uio *uio,
        struct ucred *cred, int *eofflag, int *ncookies, u_long **cookies)
{
        struct vop_readdir_args ap;
        int error;

        ap.a_head.a_desc = &vop_readdir_desc;
        ap.a_head.a_ops = ops;
        ap.a_vp = vp;
        ap.a_uio = uio;
        ap.a_cred = cred;
        ap.a_eofflag = eofflag;
        ap.a_ncookies = ncookies;
        ap.a_cookies = cookies;

        DO_OPS(ops, error, &ap, vop_readdir);
        return(error);
}

int
vop_readlink(struct vop_ops *ops, struct vnode *vp, struct uio *uio,
        struct ucred *cred)
{
        struct vop_readlink_args ap;
        int error;

        ap.a_head.a_desc = &vop_readlink_desc;
        ap.a_head.a_ops = ops;
        ap.a_vp = vp;
        ap.a_uio = uio;
        ap.a_cred = cred;

        DO_OPS(ops, error, &ap, vop_readlink);
        return(error);
}

int
vop_inactive(struct vop_ops *ops, struct vnode *vp, struct thread *td)
{
        struct vop_inactive_args ap;
        int error;

        ap.a_head.a_desc = &vop_inactive_desc;
        ap.a_head.a_ops = ops;
        ap.a_vp = vp;
        ap.a_td = td;

        DO_OPS(ops, error, &ap, vop_inactive);
        return(error);
}

int
vop_reclaim(struct vop_ops *ops, struct vnode *vp, int retflags, struct thread *td)
{
        struct vop_reclaim_args ap;
        int error;

        ap.a_head.a_desc = &vop_reclaim_desc;
        ap.a_head.a_ops = ops;
        ap.a_vp = vp;
        ap.a_td = td;
        ap.a_retflags = retflags;       /* return to filesystem inode */

        DO_OPS(ops, error, &ap, vop_reclaim);
        return(error);
}

int
vop_lock(struct vop_ops *ops, struct vnode *vp, int flags, struct thread *td)
{
        struct vop_lock_args ap;
        int error;

        ap.a_head.a_desc = &vop_lock_desc;
        ap.a_head.a_ops = ops;
        ap.a_vp = vp;
        ap.a_flags = flags;
        ap.a_td = td;

        DO_OPS(ops, error, &ap, vop_lock);
        return(error);
}

int
vop_unlock(struct vop_ops *ops, struct vnode *vp, int flags, struct thread *td)
{
        struct vop_unlock_args ap;
        int error;

        ap.a_head.a_desc = &vop_unlock_desc;
        ap.a_head.a_ops = ops;
        ap.a_vp = vp;
        ap.a_flags = flags;
        ap.a_td = td;

        DO_OPS(ops, error, &ap, vop_unlock);
        return(error);
}

int
vop_bmap(struct vop_ops *ops, struct vnode *vp, daddr_t bn, struct vnode **vpp,
        daddr_t *bnp, int *runp, int *runb)
{
        struct vop_bmap_args ap;
        int error;

        ap.a_head.a_desc = &vop_bmap_desc;
        ap.a_head.a_ops = ops;
        ap.a_vp = vp;
        ap.a_bn = bn;
        ap.a_vpp = vpp;
        ap.a_bnp = bnp;
        ap.a_runp = runp;
        ap.a_runb = runb;

        DO_OPS(ops, error, &ap, vop_bmap);
        return(error);
}

int
vop_strategy(struct vop_ops *ops, struct vnode *vp, struct bio *bio)
{
        struct vop_strategy_args ap;
        int error;

        ap.a_head.a_desc = &vop_strategy_desc;
        ap.a_head.a_ops = ops;
        ap.a_vp = vp;
        ap.a_bio = bio;

        DO_OPS(ops, error, &ap, vop_strategy);
        if (error == 0 && (bio->bio_buf->b_flags & B_READ) == 0)
                cache_update_fsmid_vp(vp);
        return(error);
}

int
vop_print(struct vop_ops *ops, struct vnode *vp)
{
        struct vop_print_args ap;
        int error;

        ap.a_head.a_desc = &vop_print_desc;
        ap.a_head.a_ops = ops;
        ap.a_vp = vp;

        DO_OPS(ops, error, &ap, vop_print);
        return(error);
}

int
vop_pathconf(struct vop_ops *ops, struct vnode *vp, int name,
        register_t *retval)
{
        struct vop_pathconf_args ap;
        int error;

        ap.a_head.a_desc = &vop_pathconf_desc;
        ap.a_head.a_ops = ops;
        ap.a_vp = vp;
        ap.a_name = name;
        ap.a_retval = retval;

        DO_OPS(ops, error, &ap, vop_pathconf);
        return(error);
}

int
vop_advlock(struct vop_ops *ops, struct vnode *vp, caddr_t id, int op,
        struct flock *fl, int flags)
{
        struct vop_advlock_args ap;
        int error;

        ap.a_head.a_desc = &vop_advlock_desc;
        ap.a_head.a_ops = ops;
        ap.a_vp = vp;
        ap.a_id = id;
        ap.a_op = op;
        ap.a_fl = fl;
        ap.a_flags = flags;

        DO_OPS(ops, error, &ap, vop_advlock);
        return(error);
}

int
vop_balloc(struct vop_ops *ops, struct vnode *vp, off_t startoffset,
        int size, struct ucred *cred, int flags,
        struct buf **bpp)
{
        struct vop_balloc_args ap;
        int error;

        ap.a_head.a_desc = &vop_balloc_desc;
        ap.a_head.a_ops = ops;
        ap.a_vp = vp;
        ap.a_startoffset = startoffset;
        ap.a_size = size;
        ap.a_cred = cred;
        ap.a_flags = flags;
        ap.a_bpp = bpp;

        DO_OPS(ops, error, &ap, vop_balloc);
        return(error);
}

int
vop_reallocblks(struct vop_ops *ops, struct vnode *vp,
        struct cluster_save *buflist)
{
        struct vop_reallocblks_args ap;
        int error;

        ap.a_head.a_desc = &vop_reallocblks_desc;
        ap.a_head.a_ops = ops;
        ap.a_vp = vp;
        ap.a_buflist = buflist;

        DO_OPS(ops, error, &ap, vop_reallocblks);
        return(error);
}

int
vop_getpages(struct vop_ops *ops, struct vnode *vp, vm_page_t *m, int count,
        int reqpage, vm_ooffset_t offset)
{
        struct vop_getpages_args ap;
        int error;

        ap.a_head.a_desc = &vop_getpages_desc;
        ap.a_head.a_ops = ops;
        ap.a_vp = vp;
        ap.a_m = m;
        ap.a_count = count;
        ap.a_reqpage = reqpage;
        ap.a_offset = offset;

        DO_OPS(ops, error, &ap, vop_getpages);
        return(error);
}

int
vop_putpages(struct vop_ops *ops, struct vnode *vp, vm_page_t *m, int count,
        int sync, int *rtvals, vm_ooffset_t offset)
{
        struct vop_putpages_args ap;
        int error;

        ap.a_head.a_desc = &vop_putpages_desc;
        ap.a_head.a_ops = ops;
        ap.a_vp = vp;
        ap.a_m = m;
        ap.a_count = count;
        ap.a_sync = sync;
        ap.a_rtvals = rtvals;
        ap.a_offset = offset;

        DO_OPS(ops, error, &ap, vop_putpages);
        if (error == 0)
                cache_update_fsmid_vp(vp);
        return(error);
}

int
vop_freeblks(struct vop_ops *ops, struct vnode *vp,
        daddr_t addr, daddr_t length)
{
        struct vop_freeblks_args ap;
        int error;

        ap.a_head.a_desc = &vop_freeblks_desc;
        ap.a_head.a_ops = ops;
        ap.a_vp = vp;
        ap.a_addr = addr;
        ap.a_length = length;

        DO_OPS(ops, error, &ap, vop_freeblks);
        return(error);
}

int
vop_bwrite(struct vop_ops *ops, struct vnode *vp, struct buf *bp)
{
        struct vop_bwrite_args ap;
        int error;

        ap.a_head.a_desc = &vop_bwrite_desc;
        ap.a_head.a_ops = ops;
        ap.a_vp = vp;
        ap.a_bp = bp;

        DO_OPS(ops, error, &ap, vop_bwrite);
        if (error == 0)
                cache_update_fsmid_vp(vp);
        return(error);
}

int
vop_getacl(struct vop_ops *ops, struct vnode *vp, acl_type_t type,
        struct acl *aclp, struct ucred *cred, struct thread *td)
{
        struct vop_getacl_args ap;
        int error;

        ap.a_head.a_desc = &vop_getacl_desc;
        ap.a_head.a_ops = ops;
        ap.a_vp = vp;
        ap.a_type = type;
        ap.a_aclp = aclp;
        ap.a_cred = cred;
        ap.a_td = td;

        DO_OPS(ops, error, &ap, vop_getacl);
        return(error);
}

int
vop_setacl(struct vop_ops *ops, struct vnode *vp, acl_type_t type,
        struct acl *aclp, struct ucred *cred, struct thread *td)
{
        struct vop_setacl_args ap;
        int error;

        ap.a_head.a_desc = &vop_setacl_desc;
        ap.a_head.a_ops = ops;
        ap.a_vp = vp;
        ap.a_type = type;
        ap.a_aclp = aclp;
        ap.a_cred = cred;
        ap.a_td = td;

        DO_OPS(ops, error, &ap, vop_setacl);
        if (error == 0)
                cache_update_fsmid_vp(vp);
        return(error);
}

int
vop_aclcheck(struct vop_ops *ops, struct vnode *vp, acl_type_t type,
        struct acl *aclp, struct ucred *cred, struct thread *td)
{
        struct vop_aclcheck_args ap;
        int error;

        ap.a_head.a_desc = &vop_aclcheck_desc;
        ap.a_head.a_ops = ops;
        ap.a_vp = vp;
        ap.a_type = type;
        ap.a_aclp = aclp;
        ap.a_cred = cred;
        ap.a_td = td;

        DO_OPS(ops, error, &ap, vop_aclcheck);
        return(error);
}

int
vop_getextattr(struct vop_ops *ops, struct vnode *vp, char *name, 
        struct uio *uio, struct ucred *cred, struct thread *td)
{
        struct vop_getextattr_args ap;
        int error;

        ap.a_head.a_desc = &vop_getextattr_desc;
        ap.a_head.a_ops = ops;
        ap.a_vp = vp;
        ap.a_name = name;
        ap.a_uio = uio;
        ap.a_cred = cred;
        ap.a_td = td;

        DO_OPS(ops, error, &ap, vop_getextattr);
        return(error);
}

int
vop_setextattr(struct vop_ops *ops, struct vnode *vp, char *name, 
        struct uio *uio, struct ucred *cred, struct thread *td)
{
        struct vop_setextattr_args ap;
        int error;

        ap.a_head.a_desc = &vop_setextattr_desc;
        ap.a_head.a_ops = ops;
        ap.a_vp = vp;
        ap.a_name = name;
        ap.a_uio = uio;
        ap.a_cred = cred;
        ap.a_td = td;

        DO_OPS(ops, error, &ap, vop_setextattr);
        if (error == 0)
                cache_update_fsmid_vp(vp);
        return(error);
}

int
vop_createvobject(struct vop_ops *ops, struct vnode *vp, struct thread *td)
{
        struct vop_createvobject_args ap;
        int error;

        ap.a_head.a_desc = &vop_createvobject_desc;
        ap.a_head.a_ops = ops;
        ap.a_vp = vp;
        ap.a_td = td;

        DO_OPS(ops, error, &ap, vop_createvobject);
        return(error);
}

int
vop_destroyvobject(struct vop_ops *ops, struct vnode *vp)
{
        struct vop_destroyvobject_args ap;
        int error;

        ap.a_head.a_desc = &vop_destroyvobject_desc;
        ap.a_head.a_ops = ops;
        ap.a_vp = vp;

        DO_OPS(ops, error, &ap, vop_destroyvobject);
        return(error);
}

int
vop_getvobject(struct vop_ops *ops, struct vnode *vp, struct vm_object **objpp)
{
        struct vop_getvobject_args ap;
        int error;

        ap.a_head.a_desc = &vop_getvobject_desc;
        ap.a_head.a_ops = ops;
        ap.a_vp = vp;
        ap.a_objpp = objpp;

        DO_OPS(ops, error, &ap, vop_getvobject);
        return(error);
}

int
vop_mountctl(struct vop_ops *ops, int op, struct file *fp, 
            const void *ctl, int ctllen, void *buf, int buflen, int *res)
{
        struct vop_mountctl_args ap;
        int error;

        ap.a_head.a_desc = &vop_mountctl_desc;
        ap.a_head.a_ops = ops;
        ap.a_op = op;
        ap.a_ctl = ctl;
        ap.a_fp = fp;
        ap.a_ctllen = ctllen;
        ap.a_buf = buf;
        ap.a_buflen = buflen;
        ap.a_res = res;

        DO_OPS(ops, error, &ap, vop_mountctl);
        return(error);
}

/*
 * NEW API FUNCTIONS
 *
 * nresolve takes a locked ncp and a cred and resolves the ncp into a 
 * positive or negative hit.
 *
 * The namecache is automatically adjusted by this function.  The ncp
 * is left locked on return.
 */
int
vop_nresolve(struct vop_ops *ops, struct namecache *ncp, struct ucred *cred)
{
        struct vop_nresolve_args ap;
        int error;

        ap.a_head.a_desc = &vop_nresolve_desc;
        ap.a_head.a_ops = ops;
        ap.a_ncp = ncp;
        ap.a_cred = cred;

        DO_OPS(ops, error, &ap, vop_nresolve);
        return(error);
}

/*
 * nlookupdotdot takes an unlocked directory, dvp, and looks up "..", returning
 * a locked parent directory in *vpp.  If an error occurs *vpp will be NULL.
 */
int
vop_nlookupdotdot(struct vop_ops *ops, struct vnode *dvp,
        struct vnode **vpp, struct ucred *cred)
{
        struct vop_nlookupdotdot_args ap;
        int error;

        ap.a_head.a_desc = &vop_nlookupdotdot_desc;
        ap.a_head.a_ops = ops;
        ap.a_dvp = dvp;
        ap.a_vpp = vpp;
        ap.a_cred = cred;

        DO_OPS(ops, error, &ap, vop_nlookupdotdot);
        return(error);
}

/*
 * ncreate takes a locked, resolved ncp that typically represents a negative
 * cache hit and creates the file or node specified by the ncp, cred, and
 * vattr.  If no error occurs a locked vnode is returned in *vpp.
 *
 * The namecache is automatically adjusted by this function.  The ncp
 * is left locked on return.
 */
int
vop_ncreate(struct vop_ops *ops, struct namecache *ncp, 
        struct vnode **vpp, struct ucred *cred, struct vattr *vap)
{
        struct vop_ncreate_args ap;
        int error;

        ap.a_head.a_desc = &vop_ncreate_desc;
        ap.a_head.a_ops = ops;
        ap.a_ncp = ncp;
        ap.a_vpp = vpp;
        ap.a_cred = cred;
        ap.a_vap = vap;

        DO_OPS(ops, error, &ap, vop_ncreate);
        if (error == 0 && *vpp)
                cache_update_fsmid_vp(*vpp);
        return(error);
}

/*
 * nmkdir takes a locked, resolved ncp that typically represents a negative
 * cache hit and creates the directory specified by the ncp, cred, and
 * vattr.  If no error occurs a locked vnode is returned in *vpp.
 *
 * The namecache is automatically adjusted by this function.  The ncp
 * is left locked on return.
 */
int
vop_nmkdir(struct vop_ops *ops, struct namecache *ncp, 
        struct vnode **vpp, struct ucred *cred, struct vattr *vap)
{
        struct vop_nmkdir_args ap;
        int error;

        ap.a_head.a_desc = &vop_nmkdir_desc;
        ap.a_head.a_ops = ops;
        ap.a_ncp = ncp;
        ap.a_vpp = vpp;
        ap.a_cred = cred;
        ap.a_vap = vap;

        DO_OPS(ops, error, &ap, vop_nmkdir);
        if (error == 0 && *vpp)
                cache_update_fsmid_vp(*vpp);
        return(error);
}

/*
 * nmknod takes a locked, resolved ncp that typically represents a negative
 * cache hit and creates the node specified by the ncp, cred, and
 * vattr.  If no error occurs a locked vnode is returned in *vpp.
 *
 * The namecache is automatically adjusted by this function.  The ncp
 * is left locked on return.
 */
int
vop_nmknod(struct vop_ops *ops, struct namecache *ncp, 
        struct vnode **vpp, struct ucred *cred, struct vattr *vap)
{
        struct vop_nmknod_args ap;
        int error;

        ap.a_head.a_desc = &vop_nmknod_desc;
        ap.a_head.a_ops = ops;
        ap.a_ncp = ncp;
        ap.a_vpp = vpp;
        ap.a_cred = cred;
        ap.a_vap = vap;

        DO_OPS(ops, error, &ap, vop_nmknod);
        if (error == 0 && *vpp)
                cache_update_fsmid_vp(*vpp);
        return(error);
}

/*
 * nlink takes a locked, resolved ncp that typically represents a negative
 * cache hit and creates the node specified by the ncp, cred, and
 * existing vnode.  The passed vp must be locked and will remain locked
 * on return, as does the ncp, whether an error occurs or not.
 *
 * The namecache is automatically adjusted by this function.  The ncp
 * is left locked on return.
 */
int
vop_nlink(struct vop_ops *ops, struct namecache *ncp,
        struct vnode *vp, struct ucred *cred)
{
        struct vop_nlink_args ap;
        int error;

        ap.a_head.a_desc = &vop_nlink_desc;
        ap.a_head.a_ops = ops;
        ap.a_ncp = ncp;
        ap.a_vp = vp;
        ap.a_cred = cred;

        DO_OPS(ops, error, &ap, vop_nlink);
        if (error == 0)
                cache_update_fsmid(ncp);
        return(error);
}

/*
 * nsymlink takes a locked, resolved ncp that typically represents a negative
 * cache hit and creates a symbolic link based on cred, vap, and target (the
 * contents of the link).  If no error occurs a locked vnode is returned in
 * *vpp.
 *
 * The namecache is automatically adjusted by this function.  The ncp
 * is left locked on return.
 */
int
vop_nsymlink(struct vop_ops *ops, struct namecache *ncp,
        struct vnode **vpp, struct ucred *cred,
        struct vattr *vap, char *target)
{
        struct vop_nsymlink_args ap;
        int error;

        ap.a_head.a_desc = &vop_nsymlink_desc;
        ap.a_head.a_ops = ops;
        ap.a_ncp = ncp;
        ap.a_vpp = vpp;
        ap.a_cred = cred;
        ap.a_vap = vap;
        ap.a_target = target;

        DO_OPS(ops, error, &ap, vop_nsymlink);
        if (error == 0)
                cache_update_fsmid(ncp);
        return(error);
}

/*
 * nwhiteout takes a locked, resolved ncp that can represent a positive or
 * negative hit and executes the whiteout function specified in flags.
 *
 * The namecache is automatically adjusted by this function.  The ncp
 * is left locked on return.
 */
int
vop_nwhiteout(struct vop_ops *ops, struct namecache *ncp, 
        struct ucred *cred, int flags)
{
        struct vop_nwhiteout_args ap;
        int error;

        ap.a_head.a_desc = &vop_nwhiteout_desc;
        ap.a_head.a_ops = ops;
        ap.a_ncp = ncp;
        ap.a_cred = cred;
        ap.a_flags = flags;

        DO_OPS(ops, error, &ap, vop_nwhiteout);
        if (error == 0)
                cache_update_fsmid(ncp);
        return(error);
}

/*
 * nremove takes a locked, resolved ncp that generally represents a
 * positive hit and removes the file.
 *
 * The namecache is automatically adjusted by this function.  The ncp
 * is left locked on return.
 */
int
vop_nremove(struct vop_ops *ops, struct namecache *ncp, struct ucred *cred)
{
        struct vop_nremove_args ap;
        int error;

        ap.a_head.a_desc = &vop_nremove_desc;
        ap.a_head.a_ops = ops;
        ap.a_ncp = ncp;
        ap.a_cred = cred;

        DO_OPS(ops, error, &ap, vop_nremove);
        if (error == 0)
                cache_update_fsmid(ncp);
        return(error);
}

/*
 * nrmdir takes a locked, resolved ncp that generally represents a
 * directory and removes the directory.
 *
 * The namecache is automatically adjusted by this function.  The ncp
 * is left locked on return.
 */
int
vop_nrmdir(struct vop_ops *ops, struct namecache *ncp, struct ucred *cred)
{
        struct vop_nrmdir_args ap;
        int error;

        ap.a_head.a_desc = &vop_nrmdir_desc;
        ap.a_head.a_ops = ops;
        ap.a_ncp = ncp;
        ap.a_cred = cred;

        DO_OPS(ops, error, &ap, vop_nrmdir);
        if (error == 0)
                cache_update_fsmid(ncp);
        return(error);
}

/*
 * nrename takes TWO locked, resolved ncp's and the cred of the caller
 * and renames the source ncp to the target ncp.  The target ncp may 
 * represent a positive or negative hit.
 *
 * The namecache is automatically adjusted by this function.  The ncp
 * is left locked on return.  The source ncp is typically changed to
 * a negative cache hit and the target ncp typically takes on the
 * source ncp's underlying file.
 */
int
vop_nrename(struct vop_ops *ops, struct namecache *fncp, 
            struct namecache *tncp, struct ucred *cred)
{
        struct vop_nrename_args ap;
        int error;

        ap.a_head.a_desc = &vop_nrename_desc;
        ap.a_head.a_ops = ops;
        ap.a_fncp = fncp;
        ap.a_tncp = tncp;
        ap.a_cred = cred;

        DO_OPS(ops, error, &ap, vop_nrename);
        if (error == 0) {
                cache_update_fsmid(fncp);
                cache_update_fsmid(tncp);
        }
        return(error);
}

/************************************************************************
 *              PRIMARY VNODE OPERATIONS FORWARDING CALLS               *
 ************************************************************************
 *
 * These procedures are called from VFSs such as unionfs and nullfs
 * when they wish to forward an operation on one VFS to another.  The
 * argument structure/message is modified and then directly passed to the
 * appropriate routine.  This routines may also be called by initiators
 * who have an argument structure in hand rather then discreet arguments.
 */
int
vop_vnoperate_ap(struct vop_generic_args *ap)
{
        struct vop_ops *ops;
        int error;

        ops = ap->a_ops;
        error = VOCALL(ops, ap);

        return (error);
}

/*
 * This routine is called by the cache coherency layer to execute the actual
 * VFS operation.  If a journaling layer is present we call though it, else
 * we call the native VOP functions.
 */
int
vop_cache_operate_ap(struct vop_generic_args *ap)
{
        struct vop_ops *ops;
        int error;

        ops = ap->a_ops;
        if (ops->vv_mount->mnt_vn_journal_ops)
                error = VOCALL(ops->vv_mount->mnt_vn_journal_ops, ap);
        else
                error = VOCALL(ops->vv_mount->mnt_vn_norm_ops, ap);
        return (error);
}


/*
 * This routine is called by the journaling layer to execute the actual
 * VFS operation.
 */
int
vop_journal_operate_ap(struct vop_generic_args *ap)
{
        struct vop_ops *ops;
        int error;

        ops = ap->a_ops;
        error = VOCALL(ops->vv_mount->mnt_vn_norm_ops, ap);

        return (error);
}

int
vop_islocked_ap(struct vop_islocked_args *ap)
{
        int error;

        DO_OPS(ap->a_head.a_ops, error, ap, vop_islocked);
        return(error);
}

int
vop_open_ap(struct vop_open_args *ap)
{
        int error;

        DO_OPS(ap->a_head.a_ops, error, ap, vop_open);
        return(error);
}

int
vop_close_ap(struct vop_close_args *ap)
{
        int error;

        DO_OPS(ap->a_head.a_ops, error, ap, vop_close);
        return(error);
}

int
vop_access_ap(struct vop_access_args *ap)
{
        int error;

        DO_OPS(ap->a_head.a_ops, error, ap, vop_access);
        return(error);
}

int
vop_getattr_ap(struct vop_getattr_args *ap)
{
        int error;

        DO_OPS(ap->a_head.a_ops, error, ap, vop_getattr);
        return(error);
}

int
vop_setattr_ap(struct vop_setattr_args *ap)
{
        int error;

        DO_OPS(ap->a_head.a_ops, error, ap, vop_setattr);
        return(error);
}

int
vop_read_ap(struct vop_read_args *ap)
{
        int error;

        DO_OPS(ap->a_head.a_ops, error, ap, vop_read);
        return(error);
}

int
vop_write_ap(struct vop_write_args *ap)
{
        int error;

        DO_OPS(ap->a_head.a_ops, error, ap, vop_write);
        return(error);
}

int
vop_lease_ap(struct vop_lease_args *ap)
{
        int error;

        DO_OPS(ap->a_head.a_ops, error, ap, vop_lease);
        return(error);
}

int
vop_ioctl_ap(struct vop_ioctl_args *ap)
{
        int error;

        DO_OPS(ap->a_head.a_ops, error, ap, vop_ioctl);
        return(error);
}

int
vop_poll_ap(struct vop_poll_args *ap)
{
        int error;

        DO_OPS(ap->a_head.a_ops, error, ap, vop_poll);
        return(error);
}

int
vop_kqfilter_ap(struct vop_kqfilter_args *ap)
{
        int error;

        DO_OPS(ap->a_head.a_ops, error, ap, vop_kqfilter);
        return(error);
}

int
vop_revoke_ap(struct vop_revoke_args *ap)
{
        int error;

        DO_OPS(ap->a_head.a_ops, error, ap, vop_revoke);
        return(error);
}

int
vop_mmap_ap(struct vop_mmap_args *ap)
{
        int error;

        DO_OPS(ap->a_head.a_ops, error, ap, vop_mmap);
        return(error);
}

int
vop_fsync_ap(struct vop_fsync_args *ap)
{
        int error;

        DO_OPS(ap->a_head.a_ops, error, ap, vop_fsync);
        return(error);
}

int
vop_readdir_ap(struct vop_readdir_args *ap)
{
        int error;

        DO_OPS(ap->a_head.a_ops, error, ap, vop_readdir);
        return(error);
}

int
vop_readlink_ap(struct vop_readlink_args *ap)
{
        int error;

        DO_OPS(ap->a_head.a_ops, error, ap, vop_readlink);
        return(error);
}

int
vop_inactive_ap(struct vop_inactive_args *ap)
{
        int error;

        DO_OPS(ap->a_head.a_ops, error, ap, vop_inactive);
        return(error);
}

int
vop_reclaim_ap(struct vop_reclaim_args *ap)
{
        int error;

        DO_OPS(ap->a_head.a_ops, error, ap, vop_reclaim);
        return(error);
}

int
vop_lock_ap(struct vop_lock_args *ap)
{
        int error;

        DO_OPS(ap->a_head.a_ops, error, ap, vop_lock);
        return(error);
}

int
vop_unlock_ap(struct vop_unlock_args *ap)
{
        int error;

        DO_OPS(ap->a_head.a_ops, error, ap, vop_unlock);
        return(error);
}

int
vop_bmap_ap(struct vop_bmap_args *ap)
{
        int error;

        DO_OPS(ap->a_head.a_ops, error, ap, vop_bmap);
        return(error);
}

int
vop_strategy_ap(struct vop_strategy_args *ap)
{
        int error;

        DO_OPS(ap->a_head.a_ops, error, ap, vop_strategy);
        return(error);
}

int
vop_print_ap(struct vop_print_args *ap)
{
        int error;

        DO_OPS(ap->a_head.a_ops, error, ap, vop_print);
        return(error);
}

int
vop_pathconf_ap(struct vop_pathconf_args *ap)
{
        int error;

        DO_OPS(ap->a_head.a_ops, error, ap, vop_pathconf);
        return(error);
}

int
vop_advlock_ap(struct vop_advlock_args *ap)
{
        int error;

        DO_OPS(ap->a_head.a_ops, error, ap, vop_advlock);
        return(error);
}

int
vop_balloc_ap(struct vop_balloc_args *ap)
{
        int error;

        DO_OPS(ap->a_head.a_ops, error, ap, vop_balloc);
        return(error);
}

int
vop_reallocblks_ap(struct vop_reallocblks_args *ap)
{
        int error;

        DO_OPS(ap->a_head.a_ops, error, ap, vop_reallocblks);
        return(error);
}

int
vop_getpages_ap(struct vop_getpages_args *ap)
{
        int error;

        DO_OPS(ap->a_head.a_ops, error, ap, vop_getpages);
        return(error);
}

int
vop_putpages_ap(struct vop_putpages_args *ap)
{
        int error;

        DO_OPS(ap->a_head.a_ops, error, ap, vop_putpages);
        return(error);
}

int
vop_freeblks_ap(struct vop_freeblks_args *ap)
{
        int error;

        DO_OPS(ap->a_head.a_ops, error, ap, vop_freeblks);
        return(error);
}

int
vop_bwrite_ap(struct vop_bwrite_args *ap)
{
        int error;

        DO_OPS(ap->a_head.a_ops, error, ap, vop_bwrite);
        return(error);
}

int
vop_getacl_ap(struct vop_getacl_args *ap)
{
        int error;

        DO_OPS(ap->a_head.a_ops, error, ap, vop_getacl);
        return(error);
}

int
vop_setacl_ap(struct vop_setacl_args *ap)
{
        int error;

        DO_OPS(ap->a_head.a_ops, error, ap, vop_setacl);
        return(error);
}

int
vop_aclcheck_ap(struct vop_aclcheck_args *ap)
{
        int error;

        DO_OPS(ap->a_head.a_ops, error, ap, vop_aclcheck);
        return(error);
}

int
vop_getextattr_ap(struct vop_getextattr_args *ap)
{
        int error;

        DO_OPS(ap->a_head.a_ops, error, ap, vop_getextattr);
        return(error);
}

int
vop_setextattr_ap(struct vop_setextattr_args *ap)
{
        int error;

        DO_OPS(ap->a_head.a_ops, error, ap, vop_setextattr);
        return(error);
}

int
vop_createvobject_ap(struct vop_createvobject_args *ap)
{
        int error;

        DO_OPS(ap->a_head.a_ops, error, ap, vop_createvobject);
        return(error);
}

int
vop_destroyvobject_ap(struct vop_destroyvobject_args *ap)
{
        int error;

        DO_OPS(ap->a_head.a_ops, error, ap, vop_destroyvobject);
        return(error);
}

int
vop_getvobject_ap(struct vop_getvobject_args *ap)
{
        int error;

        DO_OPS(ap->a_head.a_ops, error, ap, vop_getvobject);
        return(error);
}

int
vop_mountctl_ap(struct vop_mountctl_args *ap)
{
        int error;

        DO_OPS(ap->a_head.a_ops, error, ap, vop_mountctl);
        return(error);
}

int
vop_nresolve_ap(struct vop_nresolve_args *ap)
{
        int error;

        DO_OPS(ap->a_head.a_ops, error, ap, vop_nresolve);
        return(error);
}

int
vop_nlookupdotdot_ap(struct vop_nlookupdotdot_args *ap)
{
        int error;

        DO_OPS(ap->a_head.a_ops, error, ap, vop_nlookupdotdot);
        return(error);
}

int
vop_ncreate_ap(struct vop_ncreate_args *ap)
{
        int error;

        DO_OPS(ap->a_head.a_ops, error, ap, vop_ncreate);
        return(error);
}

int
vop_nmkdir_ap(struct vop_nmkdir_args *ap)
{
        int error;

        DO_OPS(ap->a_head.a_ops, error, ap, vop_nmkdir);
        return(error);
}

int
vop_nmknod_ap(struct vop_nmknod_args *ap)
{
        int error;

        DO_OPS(ap->a_head.a_ops, error, ap, vop_nmknod);
        return(error);
}

int
vop_nlink_ap(struct vop_nlink_args *ap)
{
        int error;

        DO_OPS(ap->a_head.a_ops, error, ap, vop_nlink);
        return(error);
}

int
vop_nsymlink_ap(struct vop_nsymlink_args *ap)
{
        int error;

        DO_OPS(ap->a_head.a_ops, error, ap, vop_nsymlink);
        return(error);
}

int
vop_nwhiteout_ap(struct vop_nwhiteout_args *ap)
{
        int error;

        DO_OPS(ap->a_head.a_ops, error, ap, vop_nwhiteout);
        return(error);
}

int
vop_nremove_ap(struct vop_nremove_args *ap)
{
        int error;

        DO_OPS(ap->a_head.a_ops, error, ap, vop_nremove);
        return(error);
}

int
vop_nrmdir_ap(struct vop_nrmdir_args *ap)
{
        int error;

        DO_OPS(ap->a_head.a_ops, error, ap, vop_nrmdir);
        return(error);
}

int
vop_nrename_ap(struct vop_nrename_args *ap)
{
        int error;

        DO_OPS(ap->a_head.a_ops, error, ap, vop_nrename);
        return(error);
}