Re: [Patch] Cleanup struct gendisk registration, 2.3.40-pre1

From: Alan Cox (alan@lxorguk.ukuu.org.uk)
Date: Mon Jan 17 2000 - 09:09:33 EST

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> Nice. But I may have a disk with some journalled and some
> none-journalled
> filesystems on it. Will these controllers reorder non-journalled data
> in the optimal order while not messing up the order for journal
> operations?
> Or is the os still needed for that?

You have some control over writeback/writethrough and request re-ordering
in the per request flags

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