On 2017-08-22 23:19:31 [-0700], Christoph Hellwig wrote: > as part of the reflink feature. These out of place writes are > a requirement to implement data checksums, as otherwise your data > and checksum can not be updated atomically. Everything else is > beyond that at this point is vapourware. We'd have to decided So using the journal for atomic updates doesn't work then. Which means fragmentation unavoidable. Sebastian -- 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