linux-kernel - Re: [PATCH] block2mtd: throttle writes by calling balance_dirty_pages

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Message-ID: <1355398149.3400.47.camel@sauron.fi.intel.com>
Date:	Thu, 13 Dec 2012 13:29:09 +0200
From:	Artem Bityutskiy <dedekind1@...il.com>
To:	NeilBrown <neilb@...e.de>
Cc:	Joern Engel <joern@...ybastard.org>,
	David Woodhouse <dwmw2@...radead.org>,
	linux-mtd@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] block2mtd: throttle writes by calling
 balance_dirty_pages_ratelimited.

On Wed, 2012-12-12 at 19:32 +1100, NeilBrown wrote:
> 
> If you create a block2mtd device that is larger than main memory,
> and write to all of it, then lots of pages will be dirtied but
> they will never be flushed out as nothing calls any variant of
> balance_dirty_pages.
> 
> It would be nice to call set_page_dirty_balance(), but that isn't exported,
> so just call balance_dirty_pages_ratelimited() directly.
> 
> Signed-off-by: NeilBrown <neilb@...e.de>

Pushed to l2-mtd.git, thanks!

-- 
Best Regards,
Artem Bityutskiy

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