From: Artem Bityutskiy <dedekind1@gmail.com>
To: Darwin Rambo <drambo@broadcom.com>
Cc: "linux-mtd@lists.infradead.org" <linux-mtd@lists.infradead.org>,
twebb <taliaferro62@gmail.com>,
Lauren Del Giudice <lauren@wyplay.com>
Subject: RE: UBI - exclude bootloader blocks from wear levelling
Date: Sun, 10 Jan 2010 01:18:04 +0200 [thread overview]
Message-ID: <1263079084.7315.113.camel@localhost.localdomain> (raw)
In-Reply-To: <B125D8217ABC4B43826503DE00A2D44910DFC175CF@SJEXCHCCR01.corp.ad.broadcom.com>
On Mon, 2009-12-21 at 15:12 -0800, Darwin Rambo wrote:
> My understanding is that wear levelling occurs across each ubi device,
> and if there were 4 volumes on it, then the wear levelling would be
> spread efficiently over the single large device. Then you probably get
> better wear levelling than if you had 4 smaller devices and 4 volumes.
Right.
WL works on UBI device, which corresponds to the attached MTD device. So
there is 1-1 mapping between MTD and UBI devices. And each UBI device
may contain many volumes.
--
Best Regards,
Artem Bityutskiy (Артём Битюцкий)
next prev parent reply other threads:[~2010-01-09 23:18 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-12-21 16:46 UBI - exclude bootloader blocks from wear levelling Lauren Del Giudice
2009-12-21 21:30 ` Darwin Rambo
2009-12-21 22:51 ` twebb
2009-12-21 23:12 ` Darwin Rambo
2010-01-09 23:18 ` Artem Bityutskiy [this message]
2009-12-22 8:08 ` Lauren Del Giudice
2009-12-22 14:03 ` Darwin Rambo
2009-12-23 6:32 ` Wolfgang Denk
2009-12-23 17:12 ` Darwin Rambo
2009-12-23 21:08 ` Lauren Del Giudice
2009-12-23 21:40 ` Wolfgang Denk
2009-12-23 23:39 ` Darwin Rambo
2010-01-09 23:14 ` Artem Bityutskiy
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