Re: [PATCH] writeback: remove unnecessary wait inthrottle_vm_writeout()

From: Fengguang Wu
Date: Thu Sep 27 2007 - 21:19:03 EST

On Thu, Sep 27, 2007 at 11:16:10AM -0400, Rik van Riel wrote:
> On Thu, 27 Sep 2007 09:50:16 +0800
> Fengguang Wu <wfg@xxxxxxxxxxxxxxxx> wrote:
> > We don't want to introduce pointless delays in throttle_vm_writeout()
> > when the writeback limits are not yet exceeded, do we?
> Good catch.

Thank you.

> > Signed-off-by: Fengguang Wu <wfg@xxxxxxxxxxxxxxxx>
> Reviewed-by: Rik van Riel <riel@xxxxxxxxxx>

It could be a good fix for 2.6.22/23. But for -mm, I'm not
sure if throttle_vm_writeout() will be eventually removed ;-)

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