DEVSTAT_BS_UNAVAILABLE
if ((softc->disk->d_devstat->flags & DEVSTAT_BS_UNAVAILABLE)!=0)
~DEVSTAT_BS_UNAVAILABLE;
DEVSTAT_BS_UNAVAILABLE,
softc->disk->d_devstat->flags |= DEVSTAT_BS_UNAVAILABLE;
softc->disk->d_devstat->flags |= DEVSTAT_BS_UNAVAILABLE;
DEVSTAT_BS_UNAVAILABLE,
softc->disk->d_devstat->flags &= ~DEVSTAT_BS_UNAVAILABLE;
DEVSTAT_BS_UNAVAILABLE, SID_TYPE(&cgd->inq_data) |