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Subject: Re: UBIFS handling of erased page errors
From: Artem Bityutskiy <dedekind1@gmail.com>
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To: Iwo Mergler <Iwo.Mergler@netcommwireless.com>
Date: Tue, 17 Feb 2015 09:59:16 +0200
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On Tue, 2015-02-17 at 17:39 +1100, Iwo Mergler wrote:
> Hi Artem,
> 
> 
> thank you for the analysis of my unexpected lottery win. ;-)
> 
> I couldn't see a likely debugfs entry for in-the-gaps allocation,
> which one is it?

OK, there is no separate knob for this, but it could be added if needed.
Right now the feature is enabled with the 'chk_index' knob. This knob is
about extra index checks, which slow down the FS. But it also forces
'in-the-gaps' from time to time.

> I'll go and tell the customer to delete files occasionally.

Not sure about how deleting is helpful.

Artem.