[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH RFC 2/5] blkif: document new blkback path xenstore node
On Mon, 2015-06-01 at 14:24 +0100, Wei Liu wrote: > On Fri, May 22, 2015 at 11:18:55AM +0200, Roger Pau Monne wrote: > > FreeBSD blkback uses the path xenstore node in order to fetch the path to > > the underlying backing storage (either a block device or raw image). This > > node is set by the hotplug scripts. > > > > Signed-off-by: Roger Pau Monnà <roger.pau@xxxxxxxxxx> > > Cc: Ian Campbell <ian.campbell@xxxxxxxxxx> > > Cc: Ian Jackson <ian.jackson@xxxxxxxxxxxxx> > > Cc: Jan Beulich <jbeulich@xxxxxxxx> > > Cc: Tim Deegan <tim@xxxxxxx> > > --- > > xen/include/public/io/blkif.h | 12 ++++++++++-- > > 1 file changed, 10 insertions(+), 2 deletions(-) > > > > diff --git a/xen/include/public/io/blkif.h b/xen/include/public/io/blkif.h > > index 6baf7fb..b1e2245 100644 > > --- a/xen/include/public/io/blkif.h > > +++ b/xen/include/public/io/blkif.h > > @@ -89,8 +89,15 @@ > > * Values: string > > * > > * A free formatted string providing sufficient information for the > > - * backend driver to open the backing device. (e.g. the path to the > > - * file or block device representing the backing store.) > > + * hotplug script to attach the device and provide a suitable > > + * handler (ie: a block device) for blkback to use. > > + * > > + * path > > + * Values: string > > + * Notes: 11 > > + * > > + * A free formatted string that contains the path to the backing > > device > > + * for this blkback instance. > > Why can't FreeBSD use the same "physical-device" node as Linux and > NetBSD do? AIUI from reading this doc "physical-device" node already > covers both "file" and "block device", i.e. it's a superset of the > proposed "path" node here. I was about to ask the same thing in response to the first patch. _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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