Re: Linux 2.6.29

[Linus Torvalds]

On Wed, 25 Mar 2009, Theodore Tso wrote:
>
> I'm beginning to think that using a "ratio" may be the wrong way to
> go.  We probably need to add an optional dirty_max_megabytes field
> where we start pushing dirty blocks out when the number of dirty
> blocks exceeds either the dirty_ratio or the dirty_max_megabytes,
> which ever comes first.

We have that. Except it's called "dirty_bytes" and 
"dirty_background_bytes", and it defaults to zero (off).

The problem being that unlike the ratio, there's no sane default value 
that you can at least argue is not _entirely_ pointless.

		Linus
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