> On Sep 20, 2001 16:31 -0500, Steve Lord wrote:
> > XFS quotas are transactional, when space is added to a file the quota is
> > adjusted in the same transaction. It is fairly hard to do this without your
> > own quota code.
>
> Actually not. The quotas in ext3 are transactional as well. It's just
> that the "ext3" journal layer allows nested transactions, so it is possible
> to start a write transaction, call into the journal code which calls back
> into the ext3 write code to start a nested transaction on the journal file
> (i.e. it is in the same transaction as the initial write), and then the
> initial write completes.
OK, good point, but doing a major rewrite of XFS to use a different
transaction mechanism is not really on the cards, plus we have on disk
compatibility with the Irix version to consider.
Steve
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
This archive was generated by hypermail 2b29 : Sun Sep 23 2001 - 21:00:42 EST