rbd: fix typo in comment & improve comment consistency
RBD was misspelled as RDB. While I was there I made the comments
for both constants more consistently worded.
@@ -38,8 +38,8 @@ const (
// ImageMirrorModeJournal uses journaling to propagate RBD images between
// ceph clusters.
ImageMirrorModeJournal = ImageMirrorMode(C.RBD_MIRROR_IMAGE_MODE_JOURNAL)
- // ImageMirrorModeSnapshot uses snapshot RDB images to propagate images
- // between ceph clusters.
+ // ImageMirrorModeSnapshot uses snapshots to propagate RBD images between
+ // ceph clusters.
ImageMirrorModeSnapshot = ImageMirrorMode(C.RBD_MIRROR_IMAGE_MODE_SNAPSHOT)
)
