FMD_XPRT_DSUSPENDED
while (xip->xi_flags & (FMD_XPRT_DSUSPENDED | FMD_XPRT_ISUSPENDED)) {
fmd_xprt_xsuspend(xp, FMD_XPRT_DSUSPENDED);
fmd_xprt_xresume(xp, FMD_XPRT_DSUSPENDED);
xip->xi_flags |= FMD_XPRT_DSUSPENDED;
(FMD_XPRT_SUSPENDED | FMD_XPRT_ISUSPENDED | FMD_XPRT_DSUSPENDED)