Exemplo n.º 1
0
int
dm_get_config_events(
	void		*hanp,
	size_t		hlen,
	u_int		nelem,
	dm_eventset_t	*eventsetp,
	u_int		*nelemp)
{
	dm_fsys_vector_t *fsys_vector;
	dm_tokdata_t	*tdp;
	int		error;

	/* Convert the handle into a vnode. */

	if ((error = dm_get_config_tdp(hanp, hlen, &tdp)) != 0)
		return(error);

	/* Now call the filesystem-specific routine to determine the
	   events supported by that filesystem.
	*/

	VN_BHV_READ_LOCK(VN_BHV_HEAD(tdp->td_vp));
	fsys_vector = dm_fsys_vector(tdp->td_vp);
	error = fsys_vector->get_config_events(tdp->td_vp, tdp->td_right,
		nelem, eventsetp, nelemp);
	VN_BHV_READ_UNLOCK(VN_BHV_HEAD(tdp->td_vp));

	dm_app_put_tdp(tdp);
	return(error);
}
Exemplo n.º 2
0
int
dm_get_config(
	void		*hanp,
	size_t		hlen,
	dm_config_t	flagname,
	dm_size_t	*retvalp)
{
	dm_fsys_vector_t *fsys_vector;
	dm_tokdata_t	*tdp;
	dm_size_t	retval;
	int		system = 1;
	int		error;

	/* Trap and process configuration parameters which are system-wide. */

	switch (flagname) {
	case DM_CONFIG_LEGACY:
	case DM_CONFIG_PENDING:
	case DM_CONFIG_OBJ_REF:
		retval = DM_TRUE;
		break;
	case DM_CONFIG_MAX_MESSAGE_DATA:
		retval = DM_MAX_MSG_DATA;
		break;
	default:
		system = 0;
		break;
	}
	if (system) {
#ifdef __sgi
		if (copyout(&retval, retvalp, sizeof(retval)))
			return(EFAULT);
#else
		if (copy_to_user(retvalp, &retval, sizeof(retval)))
			return(EFAULT);
#endif
		return(0);
	}

	/* Must be filesystem-specific.  Convert the handle into a vnode. */

	if ((error = dm_get_config_tdp(hanp, hlen, &tdp)) != 0)
		return(error);

	/* Now call the filesystem-specific routine to determine the
	   value of the configuration option for that filesystem.
	*/

	fsys_vector = dm_fsys_vector(tdp->td_bdp);
	error = fsys_vector->get_config(tdp->td_bdp, tdp->td_right,
		flagname, retvalp);

	dm_app_put_tdp(tdp);
	return(error);
}