blockdev: Save geometry in DriveInfo

In preparation of purging it from the block layer, which will happen
later in this series.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>

blockdev.c

@@ -530,6 +530,10 @@ DriveInfo *drive_init(QemuOpts *opts, int default_to_scsi)
     dinfo->type = type;
     dinfo->bus = bus_id;
     dinfo->unit = unit_id;
+    dinfo->cyls = cyls;
+    dinfo->heads = heads;
+    dinfo->secs = secs;
+    dinfo->trans = translation;
     dinfo->opts = opts;
     dinfo->refcount = 1;
     if (serial) {

blockdev.h

@@ -35,6 +35,7 @@ struct DriveInfo {
     int unit;
     int auto_del;               /* see blockdev_mark_auto_del() */
     int media_cd;
+    int cyls, heads, secs, trans;
     QemuOpts *opts;
     char serial[BLOCK_SERIAL_STRLEN + 1];
     QTAILQ_ENTRY(DriveInfo) next;