On Sat, Aug 24, 2013 at 12:09 PM, Thomas Koch <thomas@xxxxxxx> wrote: > - check whether two files share the same data on disk, i.e. one has been > created by cp --reflink of the other? How about inspecting the output of filefrag -v $filename? For example, you could filter out with grep all lines except the ones that contain information about the extents. Then you could hash the lines left and use that single hash to compare the two files. -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
