Re: [PATCH 0/8][RFC] IO latency/throughput fixes

From: Linus Torvalds
Date: Mon Apr 06 2009 - 15:59:08 EST




On Mon, 6 Apr 2009, Theodore Tso wrote:
>
> Cool! Maybe we can make things even better, but given where we are
> at, this brings up an question: given Jens block latency patches
> (thanks, Jens!), and the patches which add the flush on
> replace-via-rename/replace-via-truncate for ext3 data=writeback,
> should we make ext3 data=writeback the default for 2.6.30?

Yes. I want to go back and see how much this all helps for the
data=ordered case (if at all), but I think we should at least consider
trying 'data=writeback' as a default.

Does the 'synchronize on rename / close-after-ftrucate' patches leave any
other intersting cases open?

Linus
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