On Fri, Dec 13, 2013 at 03:35:17PM +0800, Fam Zheng wrote: > + * 1) This will convert the following chain: > + * ... <- base <- ... <- top <- overlay <-... <- active > + * > + * to > * > - * Requires that the overlay to 'top' is opened r/w, so that the backing file > - * information in 'bs' can be properly updated. > + * ... <- base <- overlay <- active > * > - * E.g., this will convert the following chain: > - * bottom <- base <- intermediate <- top <- active > + * 2) It is allowed for bottom==base, in which case it converts: > + * > + * ... <- base <- ... <- top <- overlay <- ... <- active
If bottom==base then I think it should be: base <- ... <- top <- overlay <- ... <- active (Dropping the "... <- " prefix)
