linux-kernel - Re: UBI fastmap updates

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Message-Id: <201206271048.31524@zigzag.lvk.cs.msu.su>
Date:	Wed, 27 Jun 2012 10:48:26 +0400
From:	"Nikita V. Youshchenko" <nyoushchenko@...sta.com>
To:	Namjae Jeon <linkinjeon@...il.com>
Cc:	Richard Weinberger <richard@....at>, linux-mtd@...ts.infradead.org,
	linux-kernel@...r.kernel.org, adrian.hunter@...el.com,
	Heinz.Egger@...utronix.de, thomas.wucher@...utronix.de,
	shmulik.ladkani@...il.com, tglx@...utronix.de,
	tim.bird@...sony.com, Marius.Mazarel@...l.ro,
	artem.bityutskiy@...ux.intel.com
Subject: Re: UBI fastmap updates

> Hi. Richard.
>
> Would you infom me how much UBI attach time is improved with fastmap ?

I'm not Richard but still.

On board I'm currently working on, ubi attach time for 1G chip without 
fastmap is more than 5 seconds. With fastmap, it is less than 250 
milliseconds.

Nikita
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