To those moving to Jaunty: Do not use the new ext4

Matthew Flaschen matthew.flaschen at
Thu Mar 12 15:06:44 GMT 2009

Jonas Norlander wrote:
> But I still cant understand, no matter if you depending on the cache
> or the libraries you using don't use flush() the right way isn't a
> journaling file system supposed to only register complete transactions
> and by that guarantee (of course you cant guarantee that, but it
> should be minimal) that the files would not be destroyed/truncated?

A journaling system is supposed to ensure that at time n the disk
exactly reflects all disk operations requested prior to some time n-x.
That is true in this case, because the truncate was a /requested/ disk
operation that occurred prior to the write.

Matt Flaschen

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