/*      $NetBSD: vnode_if.c,v 1.119 2023/06/15 09:15:13 hannken Exp $   */

/*
 * Warning: DO NOT EDIT! This file is automatically generated!
 * (Modifications made here may easily be lost!)
 *
 * Created from the file:
 *      NetBSD: vnode_if.src,v 1.85 2023/06/15 09:13:36 hannken Exp
 * by the script:
 *      NetBSD: vnode_if.sh,v 1.77 2022/10/26 23:39:43 riastradh Exp
 */

/*
 * Copyright (c) 1992, 1993, 1994, 1995
 *      The Regents of the University of California.  All rights reserved.
 *
 * 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 University 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 REGENTS 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 REGENTS 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.
 */

#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: vnode_if.c,v 1.119 2023/06/15 09:15:13 hannken Exp $");

#ifdef _KERNEL_OPT
#include "opt_vnode_lockdebug.h"
#endif /* _KERNEL_OPT */

#include <sys/param.h>
#include <sys/mount.h>
#include <sys/buf.h>
#include <sys/fcntl.h>
#include <sys/vnode.h>
#include <sys/lock.h>
#include <sys/fstrans.h>

#include <miscfs/deadfs/deadfs.h>

enum fst_op { FST_NO, FST_YES, FST_LAZY, FST_TRY };

static inline int
vop_pre(vnode_t *vp, struct mount **mp, bool *mpsafe, enum fst_op op)
{
        int error;

        *mpsafe = (vp->v_vflag & VV_MPSAFE);

        if (!*mpsafe) {
                KERNEL_LOCK(1, curlwp);
        }

        if (op == FST_YES || op == FST_LAZY || op == FST_TRY) {
                for (;;) {
                        *mp = vp->v_mount;
                        if (op == FST_TRY) {
                                error = fstrans_start_nowait(*mp);
                                if (error) {
                                        if (!*mpsafe) {
                                                KERNEL_UNLOCK_ONE(curlwp);
                                        }
                                        return error;
                                }
                        } else if (op == FST_LAZY) {
                                fstrans_start_lazy(*mp);
                        } else {
                                fstrans_start(*mp);
                        }
                        if (__predict_true(*mp == vp->v_mount))
                                break;
                        fstrans_done(*mp);
                }
        } else {
                *mp = vp->v_mount;
        }

        return 0;
}

static inline u_quad_t
vop_pre_get_size(struct vnode *vp)
{
        mutex_enter(vp->v_interlock);
        KASSERT(vp->v_size != VSIZENOTSET);
        u_quad_t rv = (u_quad_t)vp->v_size;
        mutex_exit(vp->v_interlock);

        return rv;
}

/*
 * VOP_RMDIR(), VOP_REMOVE(), and VOP_RENAME() need special handling
 * because they each drop the caller's references on one or more of
 * their arguments.  While there must be an open file descriptor in
 * associated with a vnode in order for knotes to be attached to it,
 * that status could change during the course of the operation.  So,
 * for the vnode arguments that are WILLRELE or WILLPUT, we check
 * pre-op if there are registered knotes, take a hold count if so,
 * and post-op release the hold after activating any knotes still
 * associated with the vnode.
 */

#define VOP_POST_KNOTE(thisvp, e, n)                                    \
do {                                                                    \
        if (__predict_true((e) == 0)) {                                 \
                /*                                                      \
                 * VN_KNOTE() does the VN_KEVENT_INTEREST()             \
                 * check for us.                                        \
                 */                                                     \
                VN_KNOTE((thisvp), (n));                                \
        }                                                               \
} while (/*CONSTCOND*/0)

#define VOP_POST_KNOTE_HELD(thisvp, e, n)                               \
do {                                                                    \
        /*                                                              \
         * We don't perform a VN_KEVENT_INTEREST() check here; it       \
         * was already performed when we did the pre-op work that       \
         * caused the vnode to be held in the first place.              \
         */                                                             \
        mutex_enter((thisvp)->v_interlock);                             \
        if (__predict_true((e) == 0)) {                                 \
                knote(&(thisvp)->v_klist->vk_klist, (n));               \
        }                                                               \
        holdrelel((thisvp));                                            \
        mutex_exit((thisvp)->v_interlock);                              \
        /*                                                              \
         * thisvp might be gone now!  Don't touch!                      \
         */                                                             \
} while (/*CONSTCOND*/0)

#define vop_create_post(ap, e)                                          \
        VOP_POST_KNOTE((ap)->a_dvp, (e), NOTE_WRITE)

#define vop_mknod_post(ap, e)                                           \
        VOP_POST_KNOTE((ap)->a_dvp, (e), NOTE_WRITE)

#define vop_setattr_pre(ap)                                             \
        u_quad_t osize = 0;                                             \
        long vp_events =                                                \
            VN_KEVENT_INTEREST((ap)->a_vp, NOTE_ATTRIB | NOTE_EXTEND)   \
            ? NOTE_ATTRIB : 0;                                          \
        bool check_extend = false;                                      \
        if (__predict_false(vp_events != 0 &&                           \
            (ap)->a_vap->va_size != VNOVALSIZE)) {                      \
                check_extend = true;                                    \
                osize = vop_pre_get_size((ap)->a_vp);                   \
        }

#define vop_setattr_post(ap, e)                                         \
do {                                                                    \
        if (__predict_false(vp_events != 0)) {                          \
                if (__predict_false(check_extend &&                     \
                    (ap)->a_vap->va_size > osize)) {                    \
                        vp_events |= NOTE_EXTEND;                       \
                }                                                       \
                VOP_POST_KNOTE((ap)->a_vp, (e), vp_events);             \
        }                                                               \
} while (/*CONSTCOND*/0)

#define vop_setacl_post(ap, e)                                          \
        VOP_POST_KNOTE((ap)->a_vp, (e), NOTE_ATTRIB)

#define vop_link_post(ap, e)                                            \
do {                                                                    \
        VOP_POST_KNOTE((ap)->a_dvp, (e), NOTE_WRITE);                   \
        VOP_POST_KNOTE((ap)->a_vp, (e), NOTE_LINK);                     \
} while (/*CONSTCOND*/0)

#define vop_mkdir_post(ap, e)                                           \
        VOP_POST_KNOTE((ap)->a_dvp, (e), NOTE_WRITE | NOTE_LINK)

#define vop_remove_pre_common(ap)                                       \
        bool post_event_vp =                                            \
            VN_KEVENT_INTEREST((ap)->a_vp, NOTE_DELETE | NOTE_LINK);    \
        if (__predict_false(post_event_vp)) {                           \
                vhold((ap)->a_vp);                                      \
        }

#define vop_remove_post_common(ap, e, dn, lc)                           \
do {                                                                    \
        VOP_POST_KNOTE((ap)->a_dvp, (e), (dn));                         \
        if (__predict_false(post_event_vp)) {                           \
                VOP_POST_KNOTE_HELD((ap)->a_vp, (e),                    \
                    (lc) ? NOTE_LINK : NOTE_DELETE);                    \
        }                                                               \
} while (/*CONSTCOND*/0)

/*
 * One could make the argument that VOP_REMOVE() should send NOTE_LINK
 * on vp if the resulting link count is not zero, but that's not what
 * the documentation says.
 *
 * We could change this easily by passing ap->ctx_vp_new_nlink to
 * vop_remove_post_common().
 */
#define vop_remove_pre(ap)                                              \
        vop_remove_pre_common((ap));                                    \
        /*                                                              \
         * We will assume that the file being removed is deleted unless \
         * the file system tells us otherwise by updating vp_new_nlink. \
         */                                                             \
        (ap)->ctx_vp_new_nlink = 0;

#define vop_remove_post(ap, e)                                          \
        vop_remove_post_common((ap), (e), NOTE_WRITE, 0)

#define vop_rmdir_pre(ap)                                               \
        vop_remove_pre_common(ap)

#define vop_rmdir_post(ap, e)                                           \
        vop_remove_post_common((ap), (e), NOTE_WRITE | NOTE_LINK, 0)

#define vop_symlink_post(ap, e)                                         \
        VOP_POST_KNOTE((ap)->a_dvp, (e), NOTE_WRITE)

#define vop_open_post(ap, e)                                            \
        VOP_POST_KNOTE((ap)->a_vp, (e), NOTE_OPEN)

#define vop_close_post(ap, e)                                           \
do {                                                                    \
        /* See the definition of VN_KNOTE() in <sys/vnode.h>. */        \
        if (__predict_false(VN_KEVENT_INTEREST((ap)->a_vp,              \
            NOTE_CLOSE_WRITE | NOTE_CLOSE) && (e) == 0)) {              \
                struct vnode *thisvp = (ap)->a_vp;                      \
                mutex_enter(thisvp->v_interlock);                       \
                /*                                                      \
                 * Don't send NOTE_CLOSE when closing a vnode that's    \
                 * been reclaimed or otherwise revoked; a NOTE_REVOKE   \
                 * has already been sent, and this close is effectively \
                 * meaningless from the watcher's perspective.          \
                 */                                                     \
                if (__predict_true(thisvp->v_op != dead_vnodeop_p)) {   \
                        knote(&thisvp->v_klist->vk_klist,               \
                            ((ap)->a_fflag & FWRITE)                    \
                            ? NOTE_CLOSE_WRITE : NOTE_CLOSE);           \
                }                                                       \
                mutex_exit(thisvp->v_interlock);                        \
        }                                                               \
} while (/*CONSTCOND*/0)

#define vop_read_post(ap, e)                                            \
        VOP_POST_KNOTE((ap)->a_vp, (e), NOTE_READ)

#define vop_write_pre(ap)                                               \
        off_t ooffset = 0, noffset = 0;                                 \
        u_quad_t osize = 0;                                             \
        long vp_events =                                                \
            VN_KEVENT_INTEREST((ap)->a_vp, NOTE_WRITE | NOTE_EXTEND)    \
            ? NOTE_WRITE : 0;                                           \
        if (__predict_false(vp_events != 0)) {                          \
                ooffset = (ap)->a_uio->uio_offset;                      \
                osize = vop_pre_get_size((ap)->a_vp);                   \
        }

#define vop_write_post(ap, e)                                           \
do {                                                                    \
        /*                                                              \
         * If any data was written, we'll post an event, even if        \
         * there was an error.                                          \
         */                                                             \
        noffset = (ap)->a_uio->uio_offset;                              \
        if (__predict_false(vp_events != 0 && noffset > ooffset)) {     \
                if (noffset > osize) {                                  \
                        vp_events |= NOTE_EXTEND;                       \
                }                                                       \
                VN_KNOTE((ap)->a_vp, vp_events);                        \
        }                                                               \
} while (/*CONSTCOND*/0)

static inline void
vop_post(vnode_t *vp, struct mount *mp, bool mpsafe, enum fst_op op)
{

        if (op == FST_YES || op == FST_LAZY) {
                fstrans_done(mp);
        }

        if (!mpsafe) {
                KERNEL_UNLOCK_ONE(curlwp);
        }
}

static inline void
assert_vop_unlocked(vnode_t *vp, const char *str)
{
#if defined(VNODE_LOCKDEBUG)

        if (VOP_ISLOCKED(vp) == LK_EXCLUSIVE)
                panic("%s: %p %d/%d is locked but should not be",
                    str, vp, vp->v_tag, vp->v_type);
#endif
}

static inline void
assert_vop_locked(vnode_t *vp, const char *str)
{
#if defined(VNODE_LOCKDEBUG)

        if (VOP_ISLOCKED(vp) == LK_NONE)
                panic("%s: %p %d/%d is not locked but should be",
                    str, vp, vp->v_tag, vp->v_type);
#endif
}

static inline void
assert_vop_elocked(vnode_t *vp, const char *str)
{
#if defined(VNODE_LOCKDEBUG)

        if (VOP_ISLOCKED(vp) != LK_EXCLUSIVE)
                panic("%s: %p %d/%d is not exclusive locked but should be",
                    str, vp, vp->v_tag, vp->v_type);
#endif
}

const struct vnodeop_desc vop_default_desc = {
        0,
        "default",
        0,
        NULL,
        VDESC_NO_OFFSET,
        VDESC_NO_OFFSET,
        VDESC_NO_OFFSET,
};


const int vop_bwrite_vp_offsets[] = {
        VOPARG_OFFSETOF(struct vop_bwrite_args,a_vp),
        VDESC_NO_OFFSET
};
const struct vnodeop_desc vop_bwrite_desc = {
        VOP_BWRITE_DESCOFFSET,
        "vop_bwrite",
        0,
        vop_bwrite_vp_offsets,
        VDESC_NO_OFFSET,
        VDESC_NO_OFFSET,
        VDESC_NO_OFFSET,
};
int
VOP_BWRITE(struct vnode *vp,
    struct buf *bp)
{
        int error;
        bool mpsafe;
        struct vop_bwrite_args a;
        struct mount *mp;
        a.a_desc = VDESC(vop_bwrite);
        a.a_vp = vp;
        a.a_bp = bp;
        error = vop_pre(vp, &mp, &mpsafe, FST_YES);
        if (error)
                return error;
        error = (VCALL(vp, VOFFSET(vop_bwrite), &a));
        vop_post(vp, mp, mpsafe, FST_YES);
        return error;
}

const int vop_parsepath_vp_offsets[] = {
        VOPARG_OFFSETOF(struct vop_parsepath_args,a_dvp),
        VDESC_NO_OFFSET
};
const struct vnodeop_desc vop_parsepath_desc = {
        VOP_PARSEPATH_DESCOFFSET,
        "vop_parsepath",
        0,
        vop_parsepath_vp_offsets,
        VDESC_NO_OFFSET,
        VDESC_NO_OFFSET,
        VDESC_NO_OFFSET,
};
int
VOP_PARSEPATH(struct vnode *dvp,
    const char *name,
    size_t *retval)
{
        int error;
        bool mpsafe;
        struct vop_parsepath_args a;
        struct mount *mp;
        a.a_desc = VDESC(vop_parsepath);
        a.a_dvp = dvp;
        a.a_name = name;
        a.a_retval = retval;
        error = vop_pre(dvp, &mp, &mpsafe, FST_NO);
        if (error)
                return error;
        error = (VCALL(dvp, VOFFSET(vop_parsepath), &a));
        vop_post(dvp, mp, mpsafe, FST_NO);
        return error;
}

const int vop_lookup_vp_offsets[] = {
        VOPARG_OFFSETOF(struct vop_lookup_v2_args,a_dvp),
        VDESC_NO_OFFSET
};
const struct vnodeop_desc vop_lookup_desc = {
        VOP_LOOKUP_DESCOFFSET,
        "vop_lookup",
        0,
        vop_lookup_vp_offsets,
        VOPARG_OFFSETOF(struct vop_lookup_v2_args, a_vpp),
        VDESC_NO_OFFSET,
        VOPARG_OFFSETOF(struct vop_lookup_v2_args, a_cnp),
};
int
VOP_LOOKUP(struct vnode *dvp,
    struct vnode **vpp,
    struct componentname *cnp)
{
        int error;
        bool mpsafe;
        struct vop_lookup_v2_args a;
        struct mount *mp;
        a.a_desc = VDESC(vop_lookup);
        a.a_dvp = dvp;
        a.a_vpp = vpp;
        a.a_cnp = cnp;
        assert_vop_locked(dvp, "vop_lookup: dvp");
        error = vop_pre(dvp, &mp, &mpsafe, FST_NO);
        if (error)
                return error;
        error = (VCALL(dvp, VOFFSET(vop_lookup), &a));
        vop_post(dvp, mp, mpsafe, FST_NO);
#ifdef DIAGNOSTIC
        if (error == 0)
                KASSERT((*vpp)->v_size != VSIZENOTSET
                    && (*vpp)->v_writesize != VSIZENOTSET);
#endif /* DIAGNOSTIC */
        return error;
}

const int vop_create_vp_offsets[] = {
        VOPARG_OFFSETOF(struct vop_create_v3_args,a_dvp),
        VDESC_NO_OFFSET
};
const struct vnodeop_desc vop_create_desc = {
        VOP_CREATE_DESCOFFSET,
        "vop_create",
        0,
        vop_create_vp_offsets,
        VOPARG_OFFSETOF(struct vop_create_v3_args, a_vpp),
        VDESC_NO_OFFSET,
        VOPARG_OFFSETOF(struct vop_create_v3_args, a_cnp),
};
int
VOP_CREATE(struct vnode *dvp,
    struct vnode **vpp,
    struct componentname *cnp,
    struct vattr *vap)
{
        int error;
        bool mpsafe;
        struct vop_create_v3_args a;
        struct mount *mp;
        a.a_desc = VDESC(vop_create);
        a.a_dvp = dvp;
        a.a_vpp = vpp;
        a.a_cnp = cnp;
        a.a_vap = vap;
        assert_vop_elocked(dvp, "vop_create: dvp");
        error = vop_pre(dvp, &mp, &mpsafe, FST_NO);
        if (error)
                return error;
        error = (VCALL(dvp, VOFFSET(vop_create), &a));
        vop_post(dvp, mp, mpsafe, FST_NO);
        vop_create_post(&a, error);
#ifdef DIAGNOSTIC
        if (error == 0)
                KASSERT((*vpp)->v_size != VSIZENOTSET
                    && (*vpp)->v_writesize != VSIZENOTSET);
#endif /* DIAGNOSTIC */
        return error;
}

const int vop_mknod_vp_offsets[] = {
        VOPARG_OFFSETOF(struct vop_mknod_v3_args,a_dvp),
        VDESC_NO_OFFSET
};
const struct vnodeop_desc vop_mknod_desc = {
        VOP_MKNOD_DESCOFFSET,
        "vop_mknod",
        0,
        vop_mknod_vp_offsets,
        VOPARG_OFFSETOF(struct vop_mknod_v3_args, a_vpp),
        VDESC_NO_OFFSET,
        VOPARG_OFFSETOF(struct vop_mknod_v3_args, a_cnp),
};
int
VOP_MKNOD(struct vnode *dvp,
    struct vnode **vpp,
    struct componentname *cnp,
    struct vattr *vap)
{
        int error;
        bool mpsafe;
        struct vop_mknod_v3_args a;
        struct mount *mp;
        a.a_desc = VDESC(vop_mknod);
        a.a_dvp = dvp;
        a.a_vpp = vpp;
        a.a_cnp = cnp;
        a.a_vap = vap;
        assert_vop_elocked(dvp, "vop_mknod: dvp");
        error = vop_pre(dvp, &mp, &mpsafe, FST_NO);
        if (error)
                return error;
        error = (VCALL(dvp, VOFFSET(vop_mknod), &a));
        vop_post(dvp, mp, mpsafe, FST_NO);
        vop_mknod_post(&a, error);
#ifdef DIAGNOSTIC
        if (error == 0)
                KASSERT((*vpp)->v_size != VSIZENOTSET
                    && (*vpp)->v_writesize != VSIZENOTSET);
#endif /* DIAGNOSTIC */
        return error;
}

const int vop_open_vp_offsets[] = {
        VOPARG_OFFSETOF(struct vop_open_args,a_vp),
        VDESC_NO_OFFSET
};
const struct vnodeop_desc vop_open_desc = {
        VOP_OPEN_DESCOFFSET,
        "vop_open",
        0,
        vop_open_vp_offsets,
        VDESC_NO_OFFSET,
        VOPARG_OFFSETOF(struct vop_open_args, a_cred),
        VDESC_NO_OFFSET,
};
int
VOP_OPEN(struct vnode *vp,
    int mode,
    kauth_cred_t cred)
{
        int error;
        bool mpsafe;
        struct vop_open_args a;
        struct mount *mp;
        a.a_desc = VDESC(vop_open);
        a.a_vp = vp;
        a.a_mode = mode;
        a.a_cred = cred;
        assert_vop_locked(vp, "vop_open: vp");
        error = vop_pre(vp, &mp, &mpsafe, FST_NO);
        if (error)
                return error;
        error = (VCALL(vp, VOFFSET(vop_open), &a));
        vop_post(vp, mp, mpsafe, FST_NO);
        vop_open_post(&a, error);
        return error;
}

const int vop_close_vp_offsets[] = {
        VOPARG_OFFSETOF(struct vop_close_args,a_vp),
        VDESC_NO_OFFSET
};
const struct vnodeop_desc vop_close_desc = {
        VOP_CLOSE_DESCOFFSET,
        "vop_close",
        0,
        vop_close_vp_offsets,
        VDESC_NO_OFFSET,
        VOPARG_OFFSETOF(struct vop_close_args, a_cred),
        VDESC_NO_OFFSET,
};
int
VOP_CLOSE(struct vnode *vp,
    int fflag,
    kauth_cred_t cred)
{
        int error;
        bool mpsafe;
        struct vop_close_args a;
        struct mount *mp;
        a.a_desc = VDESC(vop_close);
        a.a_vp = vp;
        a.a_fflag = fflag;
        a.a_cred = cred;
        assert_vop_locked(vp, "vop_close: vp");
        error = vop_pre(vp, &mp, &mpsafe, FST_NO);
        if (error)
                return error;
        error = (VCALL(vp, VOFFSET(vop_close), &a));
        vop_post(vp, mp, mpsafe, FST_NO);
        vop_close_post(&a, error);
        return error;
}

const int vop_access_vp_offsets[] = {
        VOPARG_OFFSETOF(struct vop_access_args,a_vp),
        VDESC_NO_OFFSET
};
const struct vnodeop_desc vop_access_desc = {
        VOP_ACCESS_DESCOFFSET,
        "vop_access",
        0,
        vop_access_vp_offsets,
        VDESC_NO_OFFSET,
        VOPARG_OFFSETOF(struct vop_access_args, a_cred),
        VDESC_NO_OFFSET,
};
int
VOP_ACCESS(struct vnode *vp,
    accmode_t accmode,
    kauth_cred_t cred)
{
        int error;
        bool mpsafe;
        struct vop_access_args a;
        struct mount *mp;
        a.a_desc = VDESC(vop_access);
        a.a_vp = vp;
        a.a_accmode = accmode;
        a.a_cred = cred;
        assert_vop_locked(vp, "vop_access: vp");
        error = vop_pre(vp, &mp, &mpsafe, FST_NO);
        if (error)
                return error;
        error = (VCALL(vp, VOFFSET(vop_access), &a));
        vop_post(vp, mp, mpsafe, FST_NO);
        return error;
}

const int vop_accessx_vp_offsets[] = {
        VOPARG_OFFSETOF(struct vop_accessx_args,a_vp),
        VDESC_NO_OFFSET
};
const struct vnodeop_desc vop_accessx_desc = {
        VOP_ACCESSX_DESCOFFSET,
        "vop_accessx",
        0,
        vop_accessx_vp_offsets,
        VDESC_NO_OFFSET,
        VOPARG_OFFSETOF(struct vop_accessx_args, a_cred),
        VDESC_NO_OFFSET,
};
int
VOP_ACCESSX(struct vnode *vp,
    accmode_t accmode,
    kauth_cred_t cred)
{
        int error;
        bool mpsafe;
        struct vop_accessx_args a;
        struct mount *mp;
        a.a_desc = VDESC(vop_accessx);
        a.a_vp = vp;
        a.a_accmode = accmode;
        a.a_cred = cred;
        assert_vop_locked(vp, "vop_accessx: vp");
        error = vop_pre(vp, &mp, &mpsafe, FST_NO);
        if (error)
                return error;
        error = (VCALL(vp, VOFFSET(vop_accessx), &a));
        vop_post(vp, mp, mpsafe, FST_NO);
        return error;
}

const int vop_getattr_vp_offsets[] = {
        VOPARG_OFFSETOF(struct vop_getattr_args,a_vp),
        VDESC_NO_OFFSET
};
const struct vnodeop_desc vop_getattr_desc = {
        VOP_GETATTR_DESCOFFSET,
        "vop_getattr",
        0,
        vop_getattr_vp_offsets,
        VDESC_NO_OFFSET,
        VOPARG_OFFSETOF(struct vop_getattr_args, a_cred),
        VDESC_NO_OFFSET,
};
int
VOP_GETATTR(struct vnode *vp,
    struct vattr *vap,
    kauth_cred_t cred)
{
        int error;
        bool mpsafe;
        struct vop_getattr_args a;
        struct mount *mp;
        a.a_desc = VDESC(vop_getattr);
        a.a_vp = vp;
        a.a_vap = vap;
        a.a_cred = cred;
        assert_vop_locked(vp, "vop_getattr: vp");
        error = vop_pre(vp, &mp, &mpsafe, FST_NO);
        if (error)
                return error;
        error = (VCALL(vp, VOFFSET(vop_getattr), &a));
        vop_post(vp, mp, mpsafe, FST_NO);
        return error;
}

const int vop_setattr_vp_offsets[] = {
        VOPARG_OFFSETOF(struct vop_setattr_args,a_vp),
        VDESC_NO_OFFSET
};
const struct vnodeop_desc vop_setattr_desc = {
        VOP_SETATTR_DESCOFFSET,
        "vop_setattr",
        0,
        vop_setattr_vp_offsets,
        VDESC_NO_OFFSET,
        VOPARG_OFFSETOF(struct vop_setattr_args, a_cred),
        VDESC_NO_OFFSET,
};
int
VOP_SETATTR(struct vnode *vp,
    struct vattr *vap,
    kauth_cred_t cred)
{
        int error;
        bool mpsafe;
        struct vop_setattr_args a;
        struct mount *mp;
        a.a_desc = VDESC(vop_setattr);
        a.a_vp = vp;
        a.a_vap = vap;
        a.a_cred = cred;
        assert_vop_elocked(vp, "vop_setattr: vp");
        vop_setattr_pre(&a);
        error = vop_pre(vp, &mp, &mpsafe, FST_NO);
        if (error)
                return error;
        error = (VCALL(vp, VOFFSET(vop_setattr), &a));
        vop_post(vp, mp, mpsafe, FST_NO);
        vop_setattr_post(&a, error);
        return error;
}

const int vop_read_vp_offsets[] = {
        VOPARG_OFFSETOF(struct vop_read_args,a_vp),
        VDESC_NO_OFFSET
};
const struct vnodeop_desc vop_read_desc = {
        VOP_READ_DESCOFFSET,
        "vop_read",
        0,
        vop_read_vp_offsets,
        VDESC_NO_OFFSET,
        VOPARG_OFFSETOF(struct vop_read_args, a_cred),
        VDESC_NO_OFFSET,
};
int
VOP_READ(struct vnode *vp,
    struct uio *uio,
    int ioflag,
    kauth_cred_t cred)
{
        int error;
        bool mpsafe;
        struct vop_read_args a;
        struct mount *mp;
        a.a_desc = VDESC(vop_read);
        a.a_vp = vp;
        a.a_uio = uio;
        a.a_ioflag = ioflag;
        a.a_cred = cred;
        assert_vop_locked(vp, "vop_read: vp");
        error = vop_pre(vp, &mp, &mpsafe, FST_NO);
        if (error)
                return error;
        error = (VCALL(vp, VOFFSET(vop_read), &a));
        vop_post(vp, mp, mpsafe, FST_NO);
        vop_read_post(&a, error);
        return error;
}

const int vop_write_vp_offsets[] = {
        VOPARG_OFFSETOF(struct vop_write_args,a_vp),
        VDESC_NO_OFFSET
};
const struct vnodeop_desc vop_write_desc = {
        VOP_WRITE_DESCOFFSET,
        "vop_write",
        0,
        vop_write_vp_offsets,
        VDESC_NO_OFFSET,
        VOPARG_OFFSETOF(struct vop_write_args, a_cred),
        VDESC_NO_OFFSET,
};
int
VOP_WRITE(struct vnode *vp,
    struct uio *uio,
    int ioflag,
    kauth_cred_t cred)
{
        int error;
        bool mpsafe;
        struct vop_write_args a;
        struct mount *mp;
        a.a_desc = VDESC(vop_write);
        a.a_vp = vp;
        a.a_uio = uio;
        a.a_ioflag = ioflag;
        a.a_cred = cred;
        assert_vop_locked(vp, "vop_write: vp");
        vop_write_pre(&a);
        error = vop_pre(vp, &mp, &mpsafe, FST_NO);
        if (error)
                return error;
        error = (VCALL(vp, VOFFSET(vop_write), &a));
        vop_post(vp, mp, mpsafe, FST_NO);
        vop_write_post(&a, error);
        return error;
}

const int vop_fallocate_vp_offsets[] = {
        VOPARG_OFFSETOF(struct vop_fallocate_args,a_vp),
        VDESC_NO_OFFSET
};
const struct vnodeop_desc vop_fallocate_desc = {
        VOP_FALLOCATE_DESCOFFSET,
        "vop_fallocate",
        0,
        vop_fallocate_vp_offsets,
        VDESC_NO_OFFSET,
        VDESC_NO_OFFSET,
        VDESC_NO_OFFSET,
};
int
VOP_FALLOCATE(struct vnode *vp,
    off_t pos,
    off_t len)
{
        int error;
        bool mpsafe;
        struct vop_fallocate_args a;
        struct mount *mp;
        a.a_desc = VDESC(vop_fallocate);
        a.a_vp = vp;
        a.a_pos = pos;
        a.a_len = len;
        assert_vop_locked(vp, "vop_fallocate: vp");
        error = vop_pre(vp, &mp, &mpsafe, FST_NO);
        if (error)
                return error;
        error = (VCALL(vp, VOFFSET(vop_fallocate), &a));
        vop_post(vp, mp, mpsafe, FST_NO);
        return error;
}

const int vop_fdiscard_vp_offsets[] = {
        VOPARG_OFFSETOF(struct vop_fdiscard_args,a_vp),
        VDESC_NO_OFFSET
};
const struct vnodeop_desc vop_fdiscard_desc = {
        VOP_FDISCARD_DESCOFFSET,
        "vop_fdiscard",
        0,
        vop_fdiscard_vp_offsets,
        VDESC_NO_OFFSET,
        VDESC_NO_OFFSET,
        VDESC_NO_OFFSET,
};
int
VOP_FDISCARD(struct vnode *vp,
    off_t pos,
    off_t len)
{
        int error;
        bool mpsafe;
        struct vop_fdiscard_args a;
        struct mount *mp;
        a.a_desc = VDESC(vop_fdiscard);
        a.a_vp = vp;
        a.a_pos = pos;
        a.a_len = len;
        assert_vop_locked(vp, "vop_fdiscard: vp");
        error = vop_pre(vp, &mp, &mpsafe, FST_NO);
        if (error)
                return error;
        error = (VCALL(vp, VOFFSET(vop_fdiscard), &a));
        vop_post(vp, mp, mpsafe, FST_NO);
        return error;
}

const int vop_ioctl_vp_offsets[] = {
        VOPARG_OFFSETOF(struct vop_ioctl_args,a_vp),
        VDESC_NO_OFFSET
};
const struct vnodeop_desc vop_ioctl_desc = {
        VOP_IOCTL_DESCOFFSET,
        "vop_ioctl",
        0,
        vop_ioctl_vp_offsets,
        VDESC_NO_OFFSET,
        VOPARG_OFFSETOF(struct vop_ioctl_args, a_cred),
        VDESC_NO_OFFSET,
};
int
VOP_IOCTL(struct vnode *vp,
    u_long command,
    void *data,
    int fflag,
    kauth_cred_t cred)
{
        int error;
        bool mpsafe;
        struct vop_ioctl_args a;
        struct mount *mp;
        a.a_desc = VDESC(vop_ioctl);
        a.a_vp = vp;
        a.a_command = command;
        a.a_data = data;
        a.a_fflag = fflag;
        a.a_cred = cred;
        error = vop_pre(vp, &mp, &mpsafe, FST_NO);
        if (error)
                return error;
        error = (VCALL(vp, VOFFSET(vop_ioctl), &a));
        vop_post(vp, mp, mpsafe, FST_NO);
        return error;
}

const int vop_fcntl_vp_offsets[] = {
        VOPARG_OFFSETOF(struct vop_fcntl_args,a_vp),
        VDESC_NO_OFFSET
};
const struct vnodeop_desc vop_fcntl_desc = {
        VOP_FCNTL_DESCOFFSET,
        "vop_fcntl",
        0,
        vop_fcntl_vp_offsets,
        VDESC_NO_OFFSET,
        VOPARG_OFFSETOF(struct vop_fcntl_args, a_cred),
        VDESC_NO_OFFSET,
};
int
VOP_FCNTL(struct vnode *vp,
    u_int command,
    void *data,
    int fflag,
    kauth_cred_t cred)
{
        int error;
        bool mpsafe;
        struct vop_fcntl_args a;
        struct mount *mp;
        a.a_desc = VDESC(vop_fcntl);
        a.a_vp = vp;
        a.a_command = command;
        a.a_data = data;
        a.a_fflag = fflag;
        a.a_cred = cred;
        assert_vop_unlocked(vp, "vop_fcntl: vp");
        error = vop_pre(vp, &mp, &mpsafe, FST_NO);
        if (error)
                return error;
        error = (VCALL(vp, VOFFSET(vop_fcntl), &a));
        vop_post(vp, mp, mpsafe, FST_NO);
        return error;
}

const int vop_poll_vp_offsets[] = {
        VOPARG_OFFSETOF(struct vop_poll_args,a_vp),
        VDESC_NO_OFFSET
};
const struct vnodeop_desc vop_poll_desc = {
        VOP_POLL_DESCOFFSET,
        "vop_poll",
        0,
        vop_poll_vp_offsets,
        VDESC_NO_OFFSET,
        VDESC_NO_OFFSET,
        VDESC_NO_OFFSET,
};
int
VOP_POLL(struct vnode *vp,
    int events)
{
        int error;
        bool mpsafe;
        struct vop_poll_args a;
        struct mount *mp;
        a.a_desc = VDESC(vop_poll);
        a.a_vp = vp;
        a.a_events = events;
        assert_vop_unlocked(vp, "vop_poll: vp");
        error = vop_pre(vp, &mp, &mpsafe, FST_YES);
        if (error)
                return error;
        error = (VCALL(vp, VOFFSET(vop_poll), &a));
        vop_post(vp, mp, mpsafe, FST_YES);
        return error;
}

const int vop_kqfilter_vp_offsets[] = {
        VOPARG_OFFSETOF(struct vop_kqfilter_args,a_vp),
        VDESC_NO_OFFSET
};
const struct vnodeop_desc vop_kqfilter_desc = {
        VOP_KQFILTER_DESCOFFSET,
        "vop_kqfilter",
        0,
        vop_kqfilter_vp_offsets,
        VDESC_NO_OFFSET,
        VDESC_NO_OFFSET,
        VDESC_NO_OFFSET,
};
int
VOP_KQFILTER(struct vnode *vp,
    struct knote *kn)
{
        int error;
        bool mpsafe;
        struct vop_kqfilter_args a;
        struct mount *mp;
        a.a_desc = VDESC(vop_kqfilter);
        a.a_vp = vp;
        a.a_kn = kn;
        assert_vop_unlocked(vp, "vop_kqfilter: vp");
        error = vop_pre(vp, &mp, &mpsafe, FST_YES);
        if (error)
                return error;
        error = (VCALL(vp, VOFFSET(vop_kqfilter), &a));
        vop_post(vp, mp, mpsafe, FST_YES);
        return error;
}

const int vop_revoke_vp_offsets[] = {
        VOPARG_OFFSETOF(struct vop_revoke_args,a_vp),
        VDESC_NO_OFFSET
};
const struct vnodeop_desc vop_revoke_desc = {
        VOP_REVOKE_DESCOFFSET,
        "vop_revoke",
        0,
        vop_revoke_vp_offsets,
        VDESC_NO_OFFSET,
        VDESC_NO_OFFSET,
        VDESC_NO_OFFSET,
};
int
VOP_REVOKE(struct vnode *vp,
    int flags)
{
        int error;
        bool mpsafe;
        struct vop_revoke_args a;
        struct mount *mp;
        a.a_desc = VDESC(vop_revoke);
        a.a_vp = vp;
        a.a_flags = flags;
        assert_vop_unlocked(vp, "vop_revoke: vp");
        error = vop_pre(vp, &mp, &mpsafe, FST_NO);
        if (error)
                return error;
        error = (VCALL(vp, VOFFSET(vop_revoke), &a));
        vop_post(vp, mp, mpsafe, FST_NO);
        return error;
}

const int vop_mmap_vp_offsets[] = {
        VOPARG_OFFSETOF(struct vop_mmap_args,a_vp),
        VDESC_NO_OFFSET
};
const struct vnodeop_desc vop_mmap_desc = {
        VOP_MMAP_DESCOFFSET,
        "vop_mmap",
        0,
        vop_mmap_vp_offsets,
        VDESC_NO_OFFSET,
        VOPARG_OFFSETOF(struct vop_mmap_args, a_cred),
        VDESC_NO_OFFSET,
};
int
VOP_MMAP(struct vnode *vp,
    vm_prot_t prot,
    kauth_cred_t cred)
{
        int error;
        bool mpsafe;
        struct vop_mmap_args a;
        struct mount *mp;
        a.a_desc = VDESC(vop_mmap);
        a.a_vp = vp;
        a.a_prot = prot;
        a.a_cred = cred;
        error = vop_pre(vp, &mp, &mpsafe, FST_YES);
        if (error)
                return error;
        error = (VCALL(vp, VOFFSET(vop_mmap), &a));
        vop_post(vp, mp, mpsafe, FST_YES);
        return error;
}

const int vop_fsync_vp_offsets[] = {
        VOPARG_OFFSETOF(struct vop_fsync_args,a_vp),
        VDESC_NO_OFFSET
};
const struct vnodeop_desc vop_fsync_desc = {
        VOP_FSYNC_DESCOFFSET,
        "vop_fsync",
        0,
        vop_fsync_vp_offsets,
        VDESC_NO_OFFSET,
        VOPARG_OFFSETOF(struct vop_fsync_args, a_cred),
        VDESC_NO_OFFSET,
};
int
VOP_FSYNC(struct vnode *vp,
    kauth_cred_t cred,
    int flags,
    off_t offlo,
    off_t offhi)
{
        int error;
        bool mpsafe;
        struct vop_fsync_args a;
        struct mount *mp;
        a.a_desc = VDESC(vop_fsync);
        a.a_vp = vp;
        a.a_cred = cred;
        a.a_flags = flags;
        a.a_offlo = offlo;
        a.a_offhi = offhi;
        assert_vop_locked(vp, "vop_fsync: vp");
        error = vop_pre(vp, &mp, &mpsafe, FST_NO);
        if (error)
                return error;
        error = (VCALL(vp, VOFFSET(vop_fsync), &a));
        vop_post(vp, mp, mpsafe, FST_NO);
        return error;
}

const int vop_seek_vp_offsets[] = {
        VOPARG_OFFSETOF(struct vop_seek_args,a_vp),
        VDESC_NO_OFFSET
};
const struct vnodeop_desc vop_seek_desc = {
        VOP_SEEK_DESCOFFSET,
        "vop_seek",
        0,
        vop_seek_vp_offsets,
        VDESC_NO_OFFSET,
        VOPARG_OFFSETOF(struct vop_seek_args, a_cred),
        VDESC_NO_OFFSET,
};
int
VOP_SEEK(struct vnode *vp,
    off_t oldoff,
    off_t newoff,
    kauth_cred_t cred)
{
        int error;
        bool mpsafe;
        struct vop_seek_args a;
        struct mount *mp;
        a.a_desc = VDESC(vop_seek);
        a.a_vp = vp;
        a.a_oldoff = oldoff;
        a.a_newoff = newoff;
        a.a_cred = cred;
        error = vop_pre(vp, &mp, &mpsafe, FST_YES);
        if (error)
                return error;
        error = (VCALL(vp, VOFFSET(vop_seek), &a));
        vop_post(vp, mp, mpsafe, FST_YES);
        return error;
}

const int vop_remove_vp_offsets[] = {
        VOPARG_OFFSETOF(struct vop_remove_v3_args,a_dvp),
        VOPARG_OFFSETOF(struct vop_remove_v3_args,a_vp),
        VDESC_NO_OFFSET
};
const struct vnodeop_desc vop_remove_desc = {
        VOP_REMOVE_DESCOFFSET,
        "vop_remove",
        0 | VDESC_VP1_WILLPUT,
        vop_remove_vp_offsets,
        VDESC_NO_OFFSET,
        VDESC_NO_OFFSET,
        VOPARG_OFFSETOF(struct vop_remove_v3_args, a_cnp),
};
int
VOP_REMOVE(struct vnode *dvp,
    struct vnode *vp,
    struct componentname *cnp)
{
        int error;
        bool mpsafe;
        struct vop_remove_v3_args a;
        struct mount *mp;
        a.a_desc = VDESC(vop_remove);
        a.a_dvp = dvp;
        a.a_vp = vp;
        a.a_cnp = cnp;
        assert_vop_elocked(dvp, "vop_remove: dvp");
        assert_vop_locked(vp, "vop_remove: vp");
        vop_remove_pre(&a);
        error = vop_pre(dvp, &mp, &mpsafe, FST_NO);
        if (error)
                return error;
        error = (VCALL(dvp, VOFFSET(vop_remove), &a));
        vop_post(dvp, mp, mpsafe, FST_NO);
        vop_remove_post(&a, error);
        return error;
}

const int vop_link_vp_offsets[] = {
        VOPARG_OFFSETOF(struct vop_link_v2_args,a_dvp),
        VOPARG_OFFSETOF(struct vop_link_v2_args,a_vp),
        VDESC_NO_OFFSET
};
const struct vnodeop_desc vop_link_desc = {
        VOP_LINK_DESCOFFSET,
        "vop_link",
        0,
        vop_link_vp_offsets,
        VDESC_NO_OFFSET,
        VDESC_NO_OFFSET,
        VOPARG_OFFSETOF(struct vop_link_v2_args, a_cnp),
};
int
VOP_LINK(struct vnode *dvp,
    struct vnode *vp,
    struct componentname *cnp)
{
        int error;
        bool mpsafe;
        struct vop_link_v2_args a;
        struct mount *mp;
        a.a_desc = VDESC(vop_link);
        a.a_dvp = dvp;
        a.a_vp = vp;
        a.a_cnp = cnp;
        assert_vop_elocked(dvp, "vop_link: dvp");
        assert_vop_unlocked(vp, "vop_link: vp");
        error = vop_pre(dvp, &mp, &mpsafe, FST_NO);
        if (error)
                return error;
        error = (VCALL(dvp, VOFFSET(vop_link), &a));
        vop_post(dvp, mp, mpsafe, FST_NO);
        vop_link_post(&a, error);
        return error;
}

const int vop_rename_vp_offsets[] = {
        VOPARG_OFFSETOF(struct vop_rename_args,a_fdvp),
        VOPARG_OFFSETOF(struct vop_rename_args,a_fvp),
        VOPARG_OFFSETOF(struct vop_rename_args,a_tdvp),
        VOPARG_OFFSETOF(struct vop_rename_args,a_tvp),
        VDESC_NO_OFFSET
};
const struct vnodeop_desc vop_rename_desc = {
        VOP_RENAME_DESCOFFSET,
        "vop_rename",
        0 | VDESC_VP0_WILLRELE | VDESC_VP1_WILLRELE | VDESC_VP2_WILLPUT | VDESC_VP3_WILLPUT,
        vop_rename_vp_offsets,
        VDESC_NO_OFFSET,
        VDESC_NO_OFFSET,
        VOPARG_OFFSETOF(struct vop_rename_args, a_fcnp),
};
int
VOP_RENAME(struct vnode *fdvp,
    struct vnode *fvp,
    struct componentname *fcnp,
    struct vnode *tdvp,
    struct vnode *tvp,
    struct componentname *tcnp)
{
        int error;
        bool mpsafe;
        struct vop_rename_args a;
        struct mount *mp;
        a.a_desc = VDESC(vop_rename);
        a.a_fdvp = fdvp;
        a.a_fvp = fvp;
        a.a_fcnp = fcnp;
        a.a_tdvp = tdvp;
        a.a_tvp = tvp;
        a.a_tcnp = tcnp;
        assert_vop_locked(tdvp, "vop_rename: tdvp");
        error = vop_pre(fdvp, &mp, &mpsafe, FST_YES);
        if (error)
                return error;
        error = (VCALL(fdvp, VOFFSET(vop_rename), &a));
        vop_post(fdvp, mp, mpsafe, FST_YES);
        return error;
}

const int vop_mkdir_vp_offsets[] = {
        VOPARG_OFFSETOF(struct vop_mkdir_v3_args,a_dvp),
        VDESC_NO_OFFSET
};
const struct vnodeop_desc vop_mkdir_desc = {
        VOP_MKDIR_DESCOFFSET,
        "vop_mkdir",
        0,
        vop_mkdir_vp_offsets,
        VOPARG_OFFSETOF(struct vop_mkdir_v3_args, a_vpp),
        VDESC_NO_OFFSET,
        VOPARG_OFFSETOF(struct vop_mkdir_v3_args, a_cnp),
};
int
VOP_MKDIR(struct vnode *dvp,
    struct vnode **vpp,
    struct componentname *cnp,
    struct vattr *vap)
{
        int error;
        bool mpsafe;
        struct vop_mkdir_v3_args a;
        struct mount *mp;
        a.a_desc = VDESC(vop_mkdir);
        a.a_dvp = dvp;
        a.a_vpp = vpp;
        a.a_cnp = cnp;
        a.a_vap = vap;
        assert_vop_elocked(dvp, "vop_mkdir: dvp");
        error = vop_pre(dvp, &mp, &mpsafe, FST_NO);
        if (error)
                return error;
        error = (VCALL(dvp, VOFFSET(vop_mkdir), &a));
        vop_post(dvp, mp, mpsafe, FST_NO);
        vop_mkdir_post(&a, error);
#ifdef DIAGNOSTIC
        if (error == 0)
                KASSERT((*vpp)->v_size != VSIZENOTSET
                    && (*vpp)->v_writesize != VSIZENOTSET);
#endif /* DIAGNOSTIC */
        return error;
}

const int vop_rmdir_vp_offsets[] = {
        VOPARG_OFFSETOF(struct vop_rmdir_v2_args,a_dvp),
        VOPARG_OFFSETOF(struct vop_rmdir_v2_args,a_vp),
        VDESC_NO_OFFSET
};
const struct vnodeop_desc vop_rmdir_desc = {
        VOP_RMDIR_DESCOFFSET,
        "vop_rmdir",
        0 | VDESC_VP1_WILLPUT,
        vop_rmdir_vp_offsets,
        VDESC_NO_OFFSET,
        VDESC_NO_OFFSET,
        VOPARG_OFFSETOF(struct vop_rmdir_v2_args, a_cnp),
};
int
VOP_RMDIR(struct vnode *dvp,
    struct vnode *vp,
    struct componentname *cnp)
{
        int error;
        bool mpsafe;
        struct vop_rmdir_v2_args a;
        struct mount *mp;
        a.a_desc = VDESC(vop_rmdir);
        a.a_dvp = dvp;
        a.a_vp = vp;
        a.a_cnp = cnp;
        assert_vop_elocked(dvp, "vop_rmdir: dvp");
        assert_vop_elocked(vp, "vop_rmdir: vp");
        vop_rmdir_pre(&a);
        error = vop_pre(dvp, &mp, &mpsafe, FST_NO);
        if (error)
                return error;
        error = (VCALL(dvp, VOFFSET(vop_rmdir), &a));
        vop_post(dvp, mp, mpsafe, FST_NO);
        vop_rmdir_post(&a, error);
        return error;
}

const int vop_symlink_vp_offsets[] = {
        VOPARG_OFFSETOF(struct vop_symlink_v3_args,a_dvp),
        VDESC_NO_OFFSET
};
const struct vnodeop_desc vop_symlink_desc = {
        VOP_SYMLINK_DESCOFFSET,
        "vop_symlink",
        0,
        vop_symlink_vp_offsets,
        VOPARG_OFFSETOF(struct vop_symlink_v3_args, a_vpp),
        VDESC_NO_OFFSET,
        VOPARG_OFFSETOF(struct vop_symlink_v3_args, a_cnp),
};
int
VOP_SYMLINK(struct vnode *dvp,
    struct vnode **vpp,
    struct componentname *cnp,
    struct vattr *vap,
    char *target)
{
        int error;
        bool mpsafe;
        struct vop_symlink_v3_args a;
        struct mount *mp;
        a.a_desc = VDESC(vop_symlink);
        a.a_dvp = dvp;
        a.a_vpp = vpp;
        a.a_cnp = cnp;
        a.a_vap = vap;
        a.a_target = target;
        assert_vop_elocked(dvp, "vop_symlink: dvp");
        error = vop_pre(dvp, &mp, &mpsafe, FST_NO);
        if (error)
                return error;
        error = (VCALL(dvp, VOFFSET(vop_symlink), &a));
        vop_post(dvp, mp, mpsafe, FST_NO);
        vop_symlink_post(&a, error);
#ifdef DIAGNOSTIC
        if (error == 0)
                KASSERT((*vpp)->v_size != VSIZENOTSET
                    && (*vpp)->v_writesize != VSIZENOTSET);
#endif /* DIAGNOSTIC */
        return error;
}

const int vop_readdir_vp_offsets[] = {
        VOPARG_OFFSETOF(struct vop_readdir_args,a_vp),
        VDESC_NO_OFFSET
};
const struct vnodeop_desc vop_readdir_desc = {
        VOP_READDIR_DESCOFFSET,
        "vop_readdir",
        0,
        vop_readdir_vp_offsets,
        VDESC_NO_OFFSET,
        VOPARG_OFFSETOF(struct vop_readdir_args, a_cred),
        VDESC_NO_OFFSET,
};
int
VOP_READDIR(struct vnode *vp,
    struct uio *uio,
    kauth_cred_t cred,
    int *eofflag,
    off_t **cookies,
    int *ncookies)
{
        int error;
        bool mpsafe;
        struct vop_readdir_args a;
        struct mount *mp;
        a.a_desc = VDESC(vop_readdir);
        a.a_vp = vp;
        a.a_uio = uio;
        a.a_cred = cred;
        a.a_eofflag = eofflag;
        a.a_cookies = cookies;
        a.a_ncookies = ncookies;
        assert_vop_locked(vp, "vop_readdir: vp");
        error = vop_pre(vp, &mp, &mpsafe, FST_NO);
        if (error)
                return error;
        error = (VCALL(vp, VOFFSET(vop_readdir), &a));
        vop_post(vp, mp, mpsafe, FST_NO);
        return error;
}

const int vop_readlink_vp_offsets[] = {
        VOPARG_OFFSETOF(struct vop_readlink_args,a_vp),
        VDESC_NO_OFFSET
};
const struct vnodeop_desc vop_readlink_desc = {
        VOP_READLINK_DESCOFFSET,
        "vop_readlink",
        0,
        vop_readlink_vp_offsets,
        VDESC_NO_OFFSET,
        VOPARG_OFFSETOF(struct vop_readlink_args, a_cred),
        VDESC_NO_OFFSET,
};
int
VOP_READLINK(struct vnode *vp,
    struct uio *uio,
    kauth_cred_t cred)
{
        int error;
        bool mpsafe;
        struct vop_readlink_args a;
        struct mount *mp;
        a.a_desc = VDESC(vop_readlink);
        a.a_vp = vp;
        a.a_uio = uio;
        a.a_cred = cred;
        assert_vop_locked(vp, "vop_readlink: vp");
        error = vop_pre(vp, &mp, &mpsafe, FST_NO);
        if (error)
                return error;
        error = (VCALL(vp, VOFFSET(vop_readlink), &a));
        vop_post(vp, mp, mpsafe, FST_NO);
        return error;
}

const int vop_abortop_vp_offsets[] = {
        VOPARG_OFFSETOF(struct vop_abortop_args,a_dvp),
        VDESC_NO_OFFSET
};
const struct vnodeop_desc vop_abortop_desc = {
        VOP_ABORTOP_DESCOFFSET,
        "vop_abortop",
        0,
        vop_abortop_vp_offsets,
        VDESC_NO_OFFSET,
        VDESC_NO_OFFSET,
        VOPARG_OFFSETOF(struct vop_abortop_args, a_cnp),
};
int
VOP_ABORTOP(struct vnode *dvp,
    struct componentname *cnp)
{
        int error;
        bool mpsafe;
        struct vop_abortop_args a;
        struct mount *mp;
        a.a_desc = VDESC(vop_abortop);
        a.a_dvp = dvp;
        a.a_cnp = cnp;
        error = vop_pre(dvp, &mp, &mpsafe, FST_YES);
        if (error)
                return error;
        error = (VCALL(dvp, VOFFSET(vop_abortop), &a));
        vop_post(dvp, mp, mpsafe, FST_YES);
        return error;
}

const int vop_inactive_vp_offsets[] = {
        VOPARG_OFFSETOF(struct vop_inactive_v2_args,a_vp),
        VDESC_NO_OFFSET
};
const struct vnodeop_desc vop_inactive_desc = {
        VOP_INACTIVE_DESCOFFSET,
        "vop_inactive",
        0,
        vop_inactive_vp_offsets,
        VDESC_NO_OFFSET,
        VDESC_NO_OFFSET,
        VDESC_NO_OFFSET,
};
int
VOP_INACTIVE(struct vnode *vp,
    bool *recycle)
{
        int error;
        bool mpsafe;
        struct vop_inactive_v2_args a;
        struct mount *mp;
        a.a_desc = VDESC(vop_inactive);
        a.a_vp = vp;
        a.a_recycle = recycle;
        assert_vop_elocked(vp, "vop_inactive: vp");
        error = vop_pre(vp, &mp, &mpsafe, FST_NO);
        if (error)
                return error;
        error = (VCALL(vp, VOFFSET(vop_inactive), &a));
        vop_post(vp, mp, mpsafe, FST_NO);
        return error;
}

const int vop_reclaim_vp_offsets[] = {
        VOPARG_OFFSETOF(struct vop_reclaim_v2_args,a_vp),
        VDESC_NO_OFFSET
};
const struct vnodeop_desc vop_reclaim_desc = {
        VOP_RECLAIM_DESCOFFSET,
        "vop_reclaim",
        0,
        vop_reclaim_vp_offsets,
        VDESC_NO_OFFSET,
        VDESC_NO_OFFSET,
        VDESC_NO_OFFSET,
};
int
VOP_RECLAIM(struct vnode *vp)
{
        int error;
        bool mpsafe;
        struct vop_reclaim_v2_args a;
        struct mount *mp;
        a.a_desc = VDESC(vop_reclaim);
        a.a_vp = vp;
        assert_vop_elocked(vp, "vop_reclaim: vp");
        error = vop_pre(vp, &mp, &mpsafe, FST_NO);
        if (error)
                return error;
        error = (VCALL(vp, VOFFSET(vop_reclaim), &a));
        vop_post(vp, mp, mpsafe, FST_NO);
        return error;
}

const int vop_lock_vp_offsets[] = {
        VOPARG_OFFSETOF(struct vop_lock_args,a_vp),
        VDESC_NO_OFFSET
};
const struct vnodeop_desc vop_lock_desc = {
        VOP_LOCK_DESCOFFSET,
        "vop_lock",
        0,
        vop_lock_vp_offsets,
        VDESC_NO_OFFSET,
        VDESC_NO_OFFSET,
        VDESC_NO_OFFSET,
};
int
VOP_LOCK(struct vnode *vp,
    int flags)
{
        int error;
        bool mpsafe;
        struct vop_lock_args a;
        struct mount *mp;
        a.a_desc = VDESC(vop_lock);
        a.a_vp = vp;
        a.a_flags = flags;
        error = vop_pre(vp, &mp, &mpsafe, (!(flags & (LK_SHARED|LK_EXCLUSIVE)) ? FST_NO : (flags & LK_NOWAIT ? FST_TRY : FST_YES)));
        if (error)
                return error;
        error = (VCALL(vp, VOFFSET(vop_lock), &a));
        vop_post(vp, mp, mpsafe, (flags & (LK_UPGRADE|LK_DOWNGRADE) ? FST_NO : (error ? FST_YES : FST_NO)));
        return error;
}

const int vop_unlock_vp_offsets[] = {
        VOPARG_OFFSETOF(struct vop_unlock_args,a_vp),
        VDESC_NO_OFFSET
};
const struct vnodeop_desc vop_unlock_desc = {
        VOP_UNLOCK_DESCOFFSET,
        "vop_unlock",
        0,
        vop_unlock_vp_offsets,
        VDESC_NO_OFFSET,
        VDESC_NO_OFFSET,
        VDESC_NO_OFFSET,
};
int
VOP_UNLOCK(struct vnode *vp)
{
        int error;
        bool mpsafe;
        struct vop_unlock_args a;
        struct mount *mp;
        a.a_desc = VDESC(vop_unlock);
        a.a_vp = vp;
        assert_vop_locked(vp, "vop_unlock: vp");
        error = vop_pre(vp, &mp, &mpsafe, FST_NO);
        if (error)
                return error;
        error = (VCALL(vp, VOFFSET(vop_unlock), &a));
        vop_post(vp, mp, mpsafe, FST_YES);
        return error;
}

const int vop_bmap_vp_offsets[] = {
        VOPARG_OFFSETOF(struct vop_bmap_args,a_vp),
        VDESC_NO_OFFSET
};
const struct vnodeop_desc vop_bmap_desc = {
        VOP_BMAP_DESCOFFSET,
        "vop_bmap",
        0,
        vop_bmap_vp_offsets,
        VOPARG_OFFSETOF(struct vop_bmap_args, a_vpp),
        VDESC_NO_OFFSET,
        VDESC_NO_OFFSET,
};
int
VOP_BMAP(struct vnode *vp,
    daddr_t bn,
    struct vnode **vpp,
    daddr_t *bnp,
    int *runp)
{
        int error;
        bool mpsafe;
        struct vop_bmap_args a;
        struct mount *mp;
        a.a_desc = VDESC(vop_bmap);
        a.a_vp = vp;
        a.a_bn = bn;
        a.a_vpp = vpp;
        a.a_bnp = bnp;
        a.a_runp = runp;
        error = vop_pre(vp, &mp, &mpsafe, FST_YES);
        if (error)
                return error;
        error = (VCALL(vp, VOFFSET(vop_bmap), &a));
        vop_post(vp, mp, mpsafe, FST_YES);
        return error;
}

const int vop_strategy_vp_offsets[] = {
        VOPARG_OFFSETOF(struct vop_strategy_args,a_vp),
        VDESC_NO_OFFSET
};
const struct vnodeop_desc vop_strategy_desc = {
        VOP_STRATEGY_DESCOFFSET,
        "vop_strategy",
        0,
        vop_strategy_vp_offsets,
        VDESC_NO_OFFSET,
        VDESC_NO_OFFSET,
        VDESC_NO_OFFSET,
};
int
VOP_STRATEGY(struct vnode *vp,
    struct buf *bp)
{
        int error;
        bool mpsafe;
        struct vop_strategy_args a;
        struct mount *mp;
        a.a_desc = VDESC(vop_strategy);
        a.a_vp = vp;
        a.a_bp = bp;
        error = vop_pre(vp, &mp, &mpsafe, FST_NO);
        if (error)
                return error;
        error = (VCALL(vp, VOFFSET(vop_strategy), &a));
        vop_post(vp, mp, mpsafe, FST_NO);
        return error;
}

const int vop_print_vp_offsets[] = {
        VOPARG_OFFSETOF(struct vop_print_args,a_vp),
        VDESC_NO_OFFSET
};
const struct vnodeop_desc vop_print_desc = {
        VOP_PRINT_DESCOFFSET,
        "vop_print",
        0,
        vop_print_vp_offsets,
        VDESC_NO_OFFSET,
        VDESC_NO_OFFSET,
        VDESC_NO_OFFSET,
};
int
VOP_PRINT(struct vnode *vp)
{
        int error;
        bool mpsafe;
        struct vop_print_args a;
        struct mount *mp;
        a.a_desc = VDESC(vop_print);
        a.a_vp = vp;
        error = vop_pre(vp, &mp, &mpsafe, FST_YES);
        if (error)
                return error;
        error = (VCALL(vp, VOFFSET(vop_print), &a));
        vop_post(vp, mp, mpsafe, FST_YES);
        return error;
}

const int vop_islocked_vp_offsets[] = {
        VOPARG_OFFSETOF(struct vop_islocked_args,a_vp),
        VDESC_NO_OFFSET
};
const struct vnodeop_desc vop_islocked_desc = {
        VOP_ISLOCKED_DESCOFFSET,
        "vop_islocked",
        0,
        vop_islocked_vp_offsets,
        VDESC_NO_OFFSET,
        VDESC_NO_OFFSET,
        VDESC_NO_OFFSET,
};
int
VOP_ISLOCKED(struct vnode *vp)
{
        int error;
        bool mpsafe;
        struct vop_islocked_args a;
        struct mount *mp;
        a.a_desc = VDESC(vop_islocked);
        a.a_vp = vp;
        error = vop_pre(vp, &mp, &mpsafe, FST_NO);
        if (error)
                return error;
        error = (VCALL(vp, VOFFSET(vop_islocked), &a));
        vop_post(vp, mp, mpsafe, FST_NO);
        return error;
}

const int vop_pathconf_vp_offsets[] = {
        VOPARG_OFFSETOF(struct vop_pathconf_args,a_vp),
        VDESC_NO_OFFSET
};
const struct vnodeop_desc vop_pathconf_desc = {
        VOP_PATHCONF_DESCOFFSET,
        "vop_pathconf",
        0,
        vop_pathconf_vp_offsets,
        VDESC_NO_OFFSET,
        VDESC_NO_OFFSET,
        VDESC_NO_OFFSET,
};
int
VOP_PATHCONF(struct vnode *vp,
    int name,
    register_t *retval)
{
        int error;
        bool mpsafe;
        struct vop_pathconf_args a;
        struct mount *mp;
        a.a_desc = VDESC(vop_pathconf);
        a.a_vp = vp;
        a.a_name = name;
        a.a_retval = retval;
        assert_vop_locked(vp, "vop_pathconf: vp");
        error = vop_pre(vp, &mp, &mpsafe, FST_NO);
        if (error)
                return error;
        error = (VCALL(vp, VOFFSET(vop_pathconf), &a));
        vop_post(vp, mp, mpsafe, FST_NO);
        return error;
}

const int vop_advlock_vp_offsets[] = {
        VOPARG_OFFSETOF(struct vop_advlock_args,a_vp),
        VDESC_NO_OFFSET
};
const struct vnodeop_desc vop_advlock_desc = {
        VOP_ADVLOCK_DESCOFFSET,
        "vop_advlock",
        0,
        vop_advlock_vp_offsets,
        VDESC_NO_OFFSET,
        VDESC_NO_OFFSET,
        VDESC_NO_OFFSET,
};
int
VOP_ADVLOCK(struct vnode *vp,
    void *id,
    int op,
    struct flock *fl,
    int flags)
{
        int error;
        bool mpsafe;
        struct vop_advlock_args a;
        struct mount *mp;
        a.a_desc = VDESC(vop_advlock);
        a.a_vp = vp;
        a.a_id = id;
        a.a_op = op;
        a.a_fl = fl;
        a.a_flags = flags;
        assert_vop_unlocked(vp, "vop_advlock: vp");
        error = vop_pre(vp, &mp, &mpsafe, FST_NO);
        if (error)
                return error;
        error = (VCALL(vp, VOFFSET(vop_advlock), &a));
        vop_post(vp, mp, mpsafe, FST_NO);
        return error;
}

const int vop_whiteout_vp_offsets[] = {
        VOPARG_OFFSETOF(struct vop_whiteout_args,a_dvp),
        VDESC_NO_OFFSET
};
const struct vnodeop_desc vop_whiteout_desc = {
        VOP_WHITEOUT_DESCOFFSET,
        "vop_whiteout",
        0,
        vop_whiteout_vp_offsets,
        VDESC_NO_OFFSET,
        VDESC_NO_OFFSET,
        VOPARG_OFFSETOF(struct vop_whiteout_args, a_cnp),
};
int
VOP_WHITEOUT(struct vnode *dvp,
    struct componentname *cnp,
    int flags)
{
        int error;
        bool mpsafe;
        struct vop_whiteout_args a;
        struct mount *mp;
        a.a_desc = VDESC(vop_whiteout);
        a.a_dvp = dvp;
        a.a_cnp = cnp;
        a.a_flags = flags;
        assert_vop_elocked(dvp, "vop_whiteout: dvp");
        error = vop_pre(dvp, &mp, &mpsafe, FST_NO);
        if (error)
                return error;
        error = (VCALL(dvp, VOFFSET(vop_whiteout), &a));
        vop_post(dvp, mp, mpsafe, FST_NO);
        return error;
}

const int vop_getpages_vp_offsets[] = {
        VOPARG_OFFSETOF(struct vop_getpages_args,a_vp),
        VDESC_NO_OFFSET
};
const struct vnodeop_desc vop_getpages_desc = {
        VOP_GETPAGES_DESCOFFSET,
        "vop_getpages",
        0,
        vop_getpages_vp_offsets,
        VDESC_NO_OFFSET,
        VDESC_NO_OFFSET,
        VDESC_NO_OFFSET,
};
int
VOP_GETPAGES(struct vnode *vp,
    voff_t offset,
    struct vm_page **m,
    int *count,
    int centeridx,
    vm_prot_t access_type,
    int advice,
    int flags)
{
        int error;
        bool mpsafe;
        struct vop_getpages_args a;
        struct mount *mp;
        a.a_desc = VDESC(vop_getpages);
        a.a_vp = vp;
        a.a_offset = offset;
        a.a_m = m;
        a.a_count = count;
        a.a_centeridx = centeridx;
        a.a_access_type = access_type;
        a.a_advice = advice;
        a.a_flags = flags;
        error = vop_pre(vp, &mp, &mpsafe, FST_NO);
        if (error)
                return error;
        error = (VCALL(vp, VOFFSET(vop_getpages), &a));
        vop_post(vp, mp, mpsafe, FST_NO);
        return error;
}

const int vop_putpages_vp_offsets[] = {
        VOPARG_OFFSETOF(struct vop_putpages_args,a_vp),
        VDESC_NO_OFFSET
};
const struct vnodeop_desc vop_putpages_desc = {
        VOP_PUTPAGES_DESCOFFSET,
        "vop_putpages",
        0,
        vop_putpages_vp_offsets,
        VDESC_NO_OFFSET,
        VDESC_NO_OFFSET,
        VDESC_NO_OFFSET,
};
int
VOP_PUTPAGES(struct vnode *vp,
    voff_t offlo,
    voff_t offhi,
    int flags)
{
        int error;
        bool mpsafe;
        struct vop_putpages_args a;
        struct mount *mp;
        a.a_desc = VDESC(vop_putpages);
        a.a_vp = vp;
        a.a_offlo = offlo;
        a.a_offhi = offhi;
        a.a_flags = flags;
        error = vop_pre(vp, &mp, &mpsafe, FST_NO);
        if (error)
                return error;
        error = (VCALL(vp, VOFFSET(vop_putpages), &a));
        vop_post(vp, mp, mpsafe, FST_NO);
        return error;
}

const int vop_getacl_vp_offsets[] = {
        VOPARG_OFFSETOF(struct vop_getacl_args,a_vp),
        VDESC_NO_OFFSET
};
const struct vnodeop_desc vop_getacl_desc = {
        VOP_GETACL_DESCOFFSET,
        "vop_getacl",
        0,
        vop_getacl_vp_offsets,
        VDESC_NO_OFFSET,
        VOPARG_OFFSETOF(struct vop_getacl_args, a_cred),
        VDESC_NO_OFFSET,
};
int
VOP_GETACL(struct vnode *vp,
    acl_type_t type,
    struct acl *aclp,
    kauth_cred_t cred)
{
        int error;
        bool mpsafe;
        struct vop_getacl_args a;
        struct mount *mp;
        a.a_desc = VDESC(vop_getacl);
        a.a_vp = vp;
        a.a_type = type;
        a.a_aclp = aclp;
        a.a_cred = cred;
        error = vop_pre(vp, &mp, &mpsafe, FST_YES);
        if (error)
                return error;
        error = (VCALL(vp, VOFFSET(vop_getacl), &a));
        vop_post(vp, mp, mpsafe, FST_YES);
        return error;
}

const int vop_setacl_vp_offsets[] = {
        VOPARG_OFFSETOF(struct vop_setacl_args,a_vp),
        VDESC_NO_OFFSET
};
const struct vnodeop_desc vop_setacl_desc = {
        VOP_SETACL_DESCOFFSET,
        "vop_setacl",
        0,
        vop_setacl_vp_offsets,
        VDESC_NO_OFFSET,
        VOPARG_OFFSETOF(struct vop_setacl_args, a_cred),
        VDESC_NO_OFFSET,
};
int
VOP_SETACL(struct vnode *vp,
    acl_type_t type,
    struct acl *aclp,
    kauth_cred_t cred)
{
        int error;
        bool mpsafe;
        struct vop_setacl_args a;
        struct mount *mp;
        a.a_desc = VDESC(vop_setacl);
        a.a_vp = vp;
        a.a_type = type;
        a.a_aclp = aclp;
        a.a_cred = cred;
        assert_vop_elocked(vp, "vop_setacl: vp");
        error = vop_pre(vp, &mp, &mpsafe, FST_NO);
        if (error)
                return error;
        error = (VCALL(vp, VOFFSET(vop_setacl), &a));
        vop_post(vp, mp, mpsafe, FST_NO);
        vop_setacl_post(&a, error);
        return error;
}

const int vop_aclcheck_vp_offsets[] = {
        VOPARG_OFFSETOF(struct vop_aclcheck_args,a_vp),
        VDESC_NO_OFFSET
};
const struct vnodeop_desc vop_aclcheck_desc = {
        VOP_ACLCHECK_DESCOFFSET,
        "vop_aclcheck",
        0,
        vop_aclcheck_vp_offsets,
        VDESC_NO_OFFSET,
        VOPARG_OFFSETOF(struct vop_aclcheck_args, a_cred),
        VDESC_NO_OFFSET,
};
int
VOP_ACLCHECK(struct vnode *vp,
    acl_type_t type,
    struct acl *aclp,
    kauth_cred_t cred)
{
        int error;
        bool mpsafe;
        struct vop_aclcheck_args a;
        struct mount *mp;
        a.a_desc = VDESC(vop_aclcheck);
        a.a_vp = vp;
        a.a_type = type;
        a.a_aclp = aclp;
        a.a_cred = cred;
        error = vop_pre(vp, &mp, &mpsafe, FST_YES);
        if (error)
                return error;
        error = (VCALL(vp, VOFFSET(vop_aclcheck), &a));
        vop_post(vp, mp, mpsafe, FST_YES);
        return error;
}

const int vop_closeextattr_vp_offsets[] = {
        VOPARG_OFFSETOF(struct vop_closeextattr_args,a_vp),
        VDESC_NO_OFFSET
};
const struct vnodeop_desc vop_closeextattr_desc = {
        VOP_CLOSEEXTATTR_DESCOFFSET,
        "vop_closeextattr",
        0,
        vop_closeextattr_vp_offsets,
        VDESC_NO_OFFSET,
        VOPARG_OFFSETOF(struct vop_closeextattr_args, a_cred),
        VDESC_NO_OFFSET,
};
int
VOP_CLOSEEXTATTR(struct vnode *vp,
    int commit,
    kauth_cred_t cred)
{
        int error;
        bool mpsafe;
        struct vop_closeextattr_args a;
        struct mount *mp;
        a.a_desc = VDESC(vop_closeextattr);
        a.a_vp = vp;
        a.a_commit = commit;
        a.a_cred = cred;
        assert_vop_locked(vp, "vop_closeextattr: vp");
        error = vop_pre(vp, &mp, &mpsafe, FST_NO);
        if (error)
                return error;
        error = (VCALL(vp, VOFFSET(vop_closeextattr), &a));
        vop_post(vp, mp, mpsafe, FST_NO);
        return error;
}

const int vop_getextattr_vp_offsets[] = {
        VOPARG_OFFSETOF(struct vop_getextattr_args,a_vp),
        VDESC_NO_OFFSET
};
const struct vnodeop_desc vop_getextattr_desc = {
        VOP_GETEXTATTR_DESCOFFSET,
        "vop_getextattr",
        0,
        vop_getextattr_vp_offsets,
        VDESC_NO_OFFSET,
        VOPARG_OFFSETOF(struct vop_getextattr_args, a_cred),
        VDESC_NO_OFFSET,
};
int
VOP_GETEXTATTR(struct vnode *vp,
    int attrnamespace,
    const char *name,
    struct uio *uio,
    size_t *size,
    kauth_cred_t cred)
{
        int error;
        bool mpsafe;
        struct vop_getextattr_args a;
        struct mount *mp;
        a.a_desc = VDESC(vop_getextattr);
        a.a_vp = vp;
        a.a_attrnamespace = attrnamespace;
        a.a_name = name;
        a.a_uio = uio;
        a.a_size = size;
        a.a_cred = cred;
        assert_vop_locked(vp, "vop_getextattr: vp");
        error = vop_pre(vp, &mp, &mpsafe, FST_NO);
        if (error)
                return error;
        error = (VCALL(vp, VOFFSET(vop_getextattr), &a));
        vop_post(vp, mp, mpsafe, FST_NO);
        return error;
}

const int vop_listextattr_vp_offsets[] = {
        VOPARG_OFFSETOF(struct vop_listextattr_args,a_vp),
        VDESC_NO_OFFSET
};
const struct vnodeop_desc vop_listextattr_desc = {
        VOP_LISTEXTATTR_DESCOFFSET,
        "vop_listextattr",
        0,
        vop_listextattr_vp_offsets,
        VDESC_NO_OFFSET,
        VOPARG_OFFSETOF(struct vop_listextattr_args, a_cred),
        VDESC_NO_OFFSET,
};
int
VOP_LISTEXTATTR(struct vnode *vp,
    int attrnamespace,
    struct uio *uio,
    size_t *size,
    int flag,
    kauth_cred_t cred)
{
        int error;
        bool mpsafe;
        struct vop_listextattr_args a;
        struct mount *mp;
        a.a_desc = VDESC(vop_listextattr);
        a.a_vp = vp;
        a.a_attrnamespace = attrnamespace;
        a.a_uio = uio;
        a.a_size = size;
        a.a_flag = flag;
        a.a_cred = cred;
        assert_vop_locked(vp, "vop_listextattr: vp");
        error = vop_pre(vp, &mp, &mpsafe, FST_NO);
        if (error)
                return error;
        error = (VCALL(vp, VOFFSET(vop_listextattr), &a));
        vop_post(vp, mp, mpsafe, FST_NO);
        return error;
}

const int vop_openextattr_vp_offsets[] = {
        VOPARG_OFFSETOF(struct vop_openextattr_args,a_vp),
        VDESC_NO_OFFSET
};
const struct vnodeop_desc vop_openextattr_desc = {
        VOP_OPENEXTATTR_DESCOFFSET,
        "vop_openextattr",
        0,
        vop_openextattr_vp_offsets,
        VDESC_NO_OFFSET,
        VOPARG_OFFSETOF(struct vop_openextattr_args, a_cred),
        VDESC_NO_OFFSET,
};
int
VOP_OPENEXTATTR(struct vnode *vp,
    kauth_cred_t cred)
{
        int error;
        bool mpsafe;
        struct vop_openextattr_args a;
        struct mount *mp;
        a.a_desc = VDESC(vop_openextattr);
        a.a_vp = vp;
        a.a_cred = cred;
        assert_vop_locked(vp, "vop_openextattr: vp");
        error = vop_pre(vp, &mp, &mpsafe, FST_NO);
        if (error)
                return error;
        error = (VCALL(vp, VOFFSET(vop_openextattr), &a));
        vop_post(vp, mp, mpsafe, FST_NO);
        return error;
}

const int vop_deleteextattr_vp_offsets[] = {
        VOPARG_OFFSETOF(struct vop_deleteextattr_args,a_vp),
        VDESC_NO_OFFSET
};
const struct vnodeop_desc vop_deleteextattr_desc = {
        VOP_DELETEEXTATTR_DESCOFFSET,
        "vop_deleteextattr",
        0,
        vop_deleteextattr_vp_offsets,
        VDESC_NO_OFFSET,
        VOPARG_OFFSETOF(struct vop_deleteextattr_args, a_cred),
        VDESC_NO_OFFSET,
};
int
VOP_DELETEEXTATTR(struct vnode *vp,
    int attrnamespace,
    const char *name,
    kauth_cred_t cred)
{
        int error;
        bool mpsafe;
        struct vop_deleteextattr_args a;
        struct mount *mp;
        a.a_desc = VDESC(vop_deleteextattr);
        a.a_vp = vp;
        a.a_attrnamespace = attrnamespace;
        a.a_name = name;
        a.a_cred = cred;
        assert_vop_elocked(vp, "vop_deleteextattr: vp");
        error = vop_pre(vp, &mp, &mpsafe, FST_NO);
        if (error)
                return error;
        error = (VCALL(vp, VOFFSET(vop_deleteextattr), &a));
        vop_post(vp, mp, mpsafe, FST_NO);
        return error;
}

const int vop_setextattr_vp_offsets[] = {
        VOPARG_OFFSETOF(struct vop_setextattr_args,a_vp),
        VDESC_NO_OFFSET
};
const struct vnodeop_desc vop_setextattr_desc = {
        VOP_SETEXTATTR_DESCOFFSET,
        "vop_setextattr",
        0,
        vop_setextattr_vp_offsets,
        VDESC_NO_OFFSET,
        VOPARG_OFFSETOF(struct vop_setextattr_args, a_cred),
        VDESC_NO_OFFSET,
};
int
VOP_SETEXTATTR(struct vnode *vp,
    int attrnamespace,
    const char *name,
    struct uio *uio,
    kauth_cred_t cred)
{
        int error;
        bool mpsafe;
        struct vop_setextattr_args a;
        struct mount *mp;
        a.a_desc = VDESC(vop_setextattr);
        a.a_vp = vp;
        a.a_attrnamespace = attrnamespace;
        a.a_name = name;
        a.a_uio = uio;
        a.a_cred = cred;
        assert_vop_elocked(vp, "vop_setextattr: vp");
        error = vop_pre(vp, &mp, &mpsafe, FST_NO);
        if (error)
                return error;
        error = (VCALL(vp, VOFFSET(vop_setextattr), &a));
        vop_post(vp, mp, mpsafe, FST_NO);
        return error;
}

const struct vnodeop_desc * const vfs_op_descs[] = {
        &vop_default_desc,      /* MUST BE FIRST */

        &vop_bwrite_desc,
        &vop_parsepath_desc,
        &vop_lookup_desc,
        &vop_create_desc,
        &vop_mknod_desc,
        &vop_open_desc,
        &vop_close_desc,
        &vop_access_desc,
        &vop_accessx_desc,
        &vop_getattr_desc,
        &vop_setattr_desc,
        &vop_read_desc,
        &vop_write_desc,
        &vop_fallocate_desc,
        &vop_fdiscard_desc,
        &vop_ioctl_desc,
        &vop_fcntl_desc,
        &vop_poll_desc,
        &vop_kqfilter_desc,
        &vop_revoke_desc,
        &vop_mmap_desc,
        &vop_fsync_desc,
        &vop_seek_desc,
        &vop_remove_desc,
        &vop_link_desc,
        &vop_rename_desc,
        &vop_mkdir_desc,
        &vop_rmdir_desc,
        &vop_symlink_desc,
        &vop_readdir_desc,
        &vop_readlink_desc,
        &vop_abortop_desc,
        &vop_inactive_desc,
        &vop_reclaim_desc,
        &vop_lock_desc,
        &vop_unlock_desc,
        &vop_bmap_desc,
        &vop_strategy_desc,
        &vop_print_desc,
        &vop_islocked_desc,
        &vop_pathconf_desc,
        &vop_advlock_desc,
        &vop_whiteout_desc,
        &vop_getpages_desc,
        &vop_putpages_desc,
        &vop_getacl_desc,
        &vop_setacl_desc,
        &vop_aclcheck_desc,
        &vop_closeextattr_desc,
        &vop_getextattr_desc,
        &vop_listextattr_desc,
        &vop_openextattr_desc,
        &vop_deleteextattr_desc,
        &vop_setextattr_desc,
        NULL
};