From: Anatolij Gustschin <agust@denx.de>
To: dedekind1@gmail.com
Cc: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>,
linux-mtd@lists.infradead.org,
David Woodhouse <dwmw2@infradead.org>
Subject: Re: [PATCH v2 6/6] UBI: use mtd->writebufsize to set minimal I/O unit size
Date: Mon, 20 Dec 2010 10:18:51 +0100 [thread overview]
Message-ID: <20101220101851.4d4f8583@wker> (raw)
In-Reply-To: <1292780779.13362.18.camel@koala>
On Sun, 19 Dec 2010 19:46:19 +0200
Artem Bityutskiy <dedekind1@gmail.com> wrote:
> On Thu, 2010-12-16 at 23:42 +0100, Anatolij Gustschin wrote:
> > Previously we used mtd->writesize field to set UBI's minimal
> > I/O unit size. This sometimes caused UBIFS recovery issues
> > when mounting an uncleanly unmounted UBIFS partition on NOR
> > flash since mtd->writesize is 1 byte for NOR flash. The
> > MTD CFI driver however often performs writing multiple
> > bytes in one programming operation using the chip's write
> > buffer. We have to use the size of this write buffer as
> > a minimal I/O unit size for UBI on NOR flash to fix the
> > observed UBIFS recovery issues.
> >
> > Signed-off-by: Anatolij Gustschin <agust@denx.de>
>
> I've re-wrote the commentary and pushed, please, check.
Checked, it is ok. Thanks!
Anatolij
prev parent reply other threads:[~2010-12-20 9:19 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <292342500.2538.65.camel@localhost>
2010-12-16 22:42 ` [PATCH v2 0/6] Fix UBIFS recovery issues observed on NOR flash Anatolij Gustschin
2010-12-16 22:42 ` [PATCH v2 1/6] mtd: add writebufsize field to mtd_info struct Anatolij Gustschin
2010-12-19 17:45 ` Artem Bityutskiy
2010-12-20 9:15 ` Anatolij Gustschin
2010-12-16 22:42 ` [PATCH v2 2/6] mtd: cfi: add writebufsize initialization Anatolij Gustschin
2010-12-19 17:45 ` Artem Bityutskiy
2010-12-20 16:36 ` Guillaume LECERF
2010-12-21 14:45 ` Artem Bityutskiy
2010-12-30 10:32 ` Guillaume LECERF
2010-12-30 11:49 ` Guillaume LECERF
2011-01-05 8:27 ` Artem Bityutskiy
2011-01-06 11:13 ` Anatolij Gustschin
2011-01-06 11:14 ` Artem Bityutskiy
2011-01-06 11:00 ` Anatolij Gustschin
2011-01-06 10:49 ` Anatolij Gustschin
2011-01-06 10:48 ` Anatolij Gustschin
2010-12-16 22:42 ` [PATCH v2 3/6] mtd: nand: add mtd->writebufsize initialization Anatolij Gustschin
2010-12-16 22:42 ` [PATCH v2 4/6] mtd: onenand: " Anatolij Gustschin
2010-12-16 22:42 ` [PATCH v2 5/6] mtd: initialize writebufsize in the MTD object of a partition Anatolij Gustschin
2010-12-16 22:42 ` [PATCH v2 6/6] UBI: use mtd->writebufsize to set minimal I/O unit size Anatolij Gustschin
2010-12-19 17:46 ` Artem Bityutskiy
2010-12-20 9:18 ` Anatolij Gustschin [this message]
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