Function kern_getfhat

freebsd/kern/vfs_syscalls.c:4325–4356

}

int
kern_getfhat(struct thread *td, int flags, int fd, const char *path,
    enum uio_seg pathseg, fhandle_t *fhp, enum uio_seg fhseg)
{
	struct nameidata nd;
	fhandle_t fh;
	struct vnode *vp;
	int error;

	error = priv_check(td, PRIV_VFS_GETFH);
	if (error != 0)
		return (error);
	NDINIT_AT(&nd, LOOKUP, at2cnpflags(flags, AT_SYMLINK_NOFOLLOW |
	    AT_RESOLVE_BENEATH) | LOCKLEAF | AUDITVNODE1, pathseg, path,
	    fd, td);
	error = namei(&nd);
	if (error != 0)
		return (error);
	NDFREE_NOTHING(&nd);
	vp = nd.ni_vp;
	bzero(&fh, sizeof(fh));
	fh.fh_fsid = vp->v_mount->mnt_stat.f_fsid;
	error = VOP_VPTOFH(vp, &fh.fh_fid);
	vput(vp);
	if (error == 0) {
		if (fhseg == UIO_USERSPACE)
			error = copyout(&fh, fhp, sizeof (fh));
		else
			memcpy(fhp, &fh, sizeof(fh));
	}
	return (error);
}

#ifndef _SYS_SYSPROTO_H_
struct fhlink_args {