On Fri, Jul 13, 2018 at 02:39:55PM +0200, Carlos Maiolino wrote: > Did we? I couldn't find any interface, design, or whatever saying that userspace > can safely assume a zero block file don't have data there and can be ignored, > in fact, the link I posted previously already shows how tar people were not sure > if they should assume a zero block file could be ignored. So, in fact, we didn't > break anything, because as far as I know, nobody and no standard said an > existing zero block file could be safely ignored, assuming it contains no data > at all. Such thing might exist, but I'm not aware of. You are right that there is no interface. But breaking existing userspace simply isn't an option either, especially when it could lead to data loss and corruption. -- To unsubscribe from this list: send the line "unsubscribe linux-xfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
