linux-kernel - Re: UBI: Fastmap request for inclusion (v19)

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Date:	Wed, 03 Oct 2012 14:05:02 +0300
From:	Artem Bityutskiy <artem.bityutskiy@...ux.intel.com>
To:	Richard Weinberger <richard@....at>
Cc:	Heinz.Egger@...utronix.de, tglx@...utronix.de,
	linux-mtd@...ts.infradead.org, linux-kernel@...r.kernel.org,
	tim.bird@...sony.com
Subject: Re: UBI: Fastmap request for inclusion (v19)

On Wed, 2012-10-03 at 10:36 +0200, Richard Weinberger wrote:
> Am Wed, 03 Oct 2012 11:25:45 +0300
> schrieb Artem Bityutskiy <artem.bityutskiy@...ux.intel.com>:
> 
> > On Wed, 2012-09-26 at 17:51 +0200, Richard Weinberger wrote:
> > > UBI Fastmap is an optional feature which stores the physical to
> > > logical eraseblock relations in a checkpoint (called fastmap) to
> > > reduce the initialization time of UBI. The current init time of UBI
> > > is proportional to the number of physical erase blocks on the FLASH
> > > device. With fastmap enabled the scan time is limited to a fixed
> > > number of blocks.
> > 
> > Aiaiai complains and linux-next build fails :-( Last time I forgot to
> > enable the fastmap kbuild option so aiaiai checked with that option
> > disabled. Now I enabled it with a simple hack (default n -> default y)
> > and here are aiaiai's complaints - there is a build failure for
> > ARCH=i386.
> 
> Build fix for linux-next is on the way into your inbox.
> I'm currently looking at the aiaiai output.

It did not help. I still get:

ERROR: "ubi_update_fastmap" [drivers/mtd/ubi/ubi.ko] undefined!
ERROR: "ubi_scan_fastmap" [drivers/mtd/ubi/ubi.ko] undefined!
ERROR: "ubi_calc_fm_size" [drivers/mtd/ubi/ubi.ko] undefined!

Please, see branch 'linux-next' in UBI to see what I actually tested.

-- 
Best Regards,
Artem Bityutskiy

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