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SubjectRe: ext3: kjournald and spun-down disks
Oliver Xymoron wrote:
>
> > Tell me if this is joyful:
>
> Haven't tried it yet, but I'm afraid I don't see what makes it actually
> sync with the dirty buffer flush. Wouldn't it be better to export a chain
> of flush funcs hung off a timer?

It doesn't sync with kupdate.

If you want to do that, just defeat the journal timer altogether. So:

transaction->t_expires = jiffies + 1000000000;

in get_transaction(). That way, kupdate's write_super() will
run a commit every bdf_prm.b_un.interval jiffies.

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