Re: [patch 6/6] mm: fsync livelock avoidance

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obtw,

On Wed, 10 Dec 2008 08:42:09 +0100
Nick Piggin <npiggin@xxxxxxx> wrote:

> For simplicity, I have removed the "don't wait for writeout if we hit -EIO"
> logic from a couple of places. I don't know if this is really worth the added
> complexity (EIO will still get reported, but it will just take a bit longer;
> an app can't rely in specific behaviour or timeliness here).

This is ungood.  The device layer likes to twiddle thumbs for 30
seconds or more when it hits an IO error.  We went and made that 30,000
or more..


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