commit ac3c5d831aa0ff796659300e186be1a35862dbd3
author Stefan Hajnoczi <stefanha@redhat.com> Mon Jun 24 17:13:13 2013 +0200
committer Kevin Wolf <kwolf@redhat.com> Fri Jun 28 09:20:26 2013 +0200
tree 8ce199a08d701e447e97f91174ee049b48358965
parent cb78466ef60ccf707a6f38a1294c435b65a828e0

blockdev: use bdrv_getlength() in qmp_drive_mirror()

Use bdrv_getlength() for its byte units and error return instead of
bdrv_get_geometry().

Reported-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>

blockdev.c

diff --git a/blockdev.c b/blockdev.c
index c17b525..445f6e1 100644
--- a/blockdev.c
+++ b/blockdev.c
@@ -1371,7 +1371,7 @@
     BlockDriver *drv = NULL;
     Error *local_err = NULL;
     int flags;
-    uint64_t size;
+    int64_t size;
     int ret;
 
     if (!has_speed) {
@@ -1435,8 +1435,12 @@
         sync = MIRROR_SYNC_MODE_FULL;
     }
 
-    bdrv_get_geometry(bs, &size);
-    size *= 512;
+    size = bdrv_getlength(bs);
+    if (size < 0) {
+        error_setg_errno(errp, -size, "bdrv_getlength failed");
+        return;
+    }
+
     if (sync == MIRROR_SYNC_MODE_FULL && mode != NEW_IMAGE_MODE_EXISTING) {
         /* create new image w/o backing file */
         assert(format && drv);