On 25/03/2020 10:48, hch@xxxxxxxxxxxxx wrote: > On Wed, Mar 25, 2020 at 09:45:39AM +0000, Johannes Thumshirn wrote: >> >> Can you please elaborate on that? Why doesn't this hold true for a >> normal file system? If we split the DIO write into multiple BIOs with >> zone-append, there is nothing which guarantees the order of the written >> data (at least as far as I can see). > > Of course nothing gurantees the order. But the whole point is that the > order does not matter. > Ok now I'm totally lost. The order of data inside an extent does matter, otherwise we have data corruption.
