linux-kernel - Re: [RFC v7] UBI: Fastmap support (aka checkpointing)

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Message-ID: <1338041744.2525.46.camel@koala>
Date:	Sat, 26 May 2012 17:15:44 +0300
From:	Artem Bityutskiy <dedekind1@...il.com>
To:	Richard Weinberger <richard@....at>
Cc:	Shmulik Ladkani <shmulik.ladkani@...il.com>,
	linux-mtd@...ts.infradead.org, tglx@...utronix.de,
	linux-kernel@...r.kernel.org, Heinz.Egger@...utronix.de,
	tim.bird@...sony.com
Subject: Re: [RFC v7] UBI: Fastmap support (aka checkpointing)

On Sat, 2012-05-26 at 16:01 +0200, Richard Weinberger wrote:
> > We can start with the UBI tests from the mtd-utils plust the integck
> > test. And whatever goes to my branch should never break them. Do these
> > tests pass now? If not, let's make them pass.
> > 
> 
> What is "integck" test?

It is a quite extensive FS check which we use for UBIFS. As UBIFS is the
main UBI client - it makes sense to run it. It lives in the
mtd-utils.git/tests/fs/integck

./integck -n8 /mnt/ubifs

would run in. /mnt/ubifs is the ubifs mount-point. -n8 means repeat 8
times.

> UBI tests from mtd-utils pass now.
> The io_paral triggered a race condition on my very fast qemu-kvm test system.
> On my test board with real NAND flash this race never happened.
> Anyway, it's fixed now.

Cool!

> I'm mostly testing with custom scripts, shall I send a patch against UBI tests?

Yes, it would be great to integrate this, of course. I might also want
to send you a patch, then I'd run it.

-- 
Best Regards,
Artem Bityutskiy

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