ctl_try_unblock_io
ctl_try_unblock_io(lun, io, skip);
ctl_try_unblock_io(lun,
ctl_try_unblock_io(lun, (union ctl_io *)xioh, FALSE);
ctl_try_unblock_io(lun, xio, FALSE);
ctl_try_unblock_io(lun, xio, FALSE);
static void ctl_try_unblock_io(struct ctl_lun *lun, union ctl_io *io,