On Wed, Jun 29, 2011 at 10:29:02AM -0700, Sunil Mushran wrote: > I'm not too sure about that. Atleast not enabled by default. Most users > use cp to backup data. Not empty space. In this case, this empty extent > may not even be de-dupable. > > Frankly I'd be happier of cp started to exploited fallocate() to create larger > extents before copying data into them. Atleast for the large files. That's what delayed allocation is for. -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html