> It's the twoskip files that we're particularly concerned about. Not > so much that they fragment during use, that's kind of expected - but > that a repack doesn't result in a single contiguous file. Apart from > the header, I can't see why it doesn't. Well yes, this is ultimately what we're worried about, but we did some digging and found that even just fallocating a file creates a very fragmented file. I think it's better to try and work out why just fallocating space for files is creating such fragmented files, it's certainly a simpler test case to try and get information on first. Rob -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html