[Libvir] PATCH: 14/16: disk partition backend
Daniel P. Berrange
berrange at redhat.com
Fri Feb 15 19:04:02 UTC 2008
On Fri, Feb 15, 2008 at 07:52:37PM +0100, Jim Meyering wrote:
> "Daniel P. Berrange" <berrange at redhat.com> wrote:
> > +static int virStorageBackendDiskCreateVol(virConnectPtr conn,
> > + virStoragePoolObjPtr pool,
> > + virStorageVolDefPtr vol)
> > +{
> > + int i;
> > + char start[100], end[100];
> > + unsigned long long startOffset, endOffset, smallestSize = 0, smallestExtent = -1;
>
> [Past column 80 -> harder to spot]
> unsigned... = -1; ?
>
> How about this instead, since smallestExtent only ever
> gets set to values stored in "i" (an int)?
>
> int smallestExtent = -1;
Yes, it should just be an int.
>
> > + virStoragePoolSourceDevicePtr dev = &pool->def->source.devices[0];
> > + /* XXX customizable partition types */
> > + const char *cmdargv[] = {
> > + PARTED,
> > + pool->def->source.devices[0].path,
> > + "mkpart",
> > + "--script",
> > + "ext2",
> > + start,
> > + end,
> > + NULL
> > + };
> > +
> > + for (i = 0 ; i < dev->nfreeExtent ; i++) {
> > + unsigned long long size =
> > + dev->freeExtents[i].end -
> > + dev->freeExtents[i].start;
>
> Shouldn't size be 1 larger? i.e.,
>
> unsigned long long size =
> dev->freeExtents[i].end -
> dev->freeExtents[i].start + 1;
I don't think so - the +1 adjustment is already done in the libvirt_parthelper
program, but I'll double-check
Dan.
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