CAM_IOSCHED_FLAG_TRIM_ACTIVE
isc->flags &= ~CAM_IOSCHED_FLAG_TRIM_ACTIVE;
isc->flags |= CAM_IOSCHED_FLAG_TRIM_ACTIVE;
(isc->flags & CAM_IOSCHED_FLAG_TRIM_ACTIVE) ? "yes" : "no");
return !(isc->flags & CAM_IOSCHED_FLAG_TRIM_ACTIVE) && bp != NULL;