[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH] xen: add persistent grants to xbd_xenbus
On 12/11/12 16:33, Ian Campbell wrote: > On Sun, 2012-11-04 at 22:23 +0000, Roger Pau Monne wrote: >> @@ -652,6 +686,15 @@ xbd_connect(struct xbd_xenbus_softc *sc) >> else >> sc->sc_cache_flush = 0; >> >> + err = xenbus_read_ul(NULL, sc->sc_xbusd->xbusd_otherend, >> + "feature-persistent", &feature_persistent, 10); >> + if (err) >> + feature_persistent = 0; >> + if (feature_persistent > 0) >> + sc->sc_persistent_grants = 1; >> + else >> + sc->sc_persistent_grants = 0; > > I can't find anywhere which reads sc->sc_persistent_grants? I've added this to be used for debugging mainly, but I think we should probably print it, to know if the backend supports persistent grants or not (like the Linux kernel does). _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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