From: Peter Horton <zero@colonel-panic.org>
To: dedekind1@gmail.com
Cc: linux-mtd@lists.infradead.org
Subject: Re: [PATCH] UBI fails to initialise in kernel update marker
Date: Sun, 10 Jan 2010 09:57:26 +0000 [thread overview]
Message-ID: <4B49A486.5060402@colonel-panic.org> (raw)
In-Reply-To: <1263116531.7315.143.camel@localhost.localdomain>
On 10/01/2010 09:42, Artem Bityutskiy wrote:
> On Tue, 2010-01-05 at 11:14 +0000, Peter Horton wrote:
>> The in kernel copy of a volume's update marker is not initialised from the
>> volume table.
>>
>> Signed-off-by: Peter Horton<zero@colonel-panic.org>
>>
>> --- linux-2.6.32.orig/drivers/mtd/ubi/vtbl.c 2010-01-05 10:56:13.000000000 +0000
>> +++ linux-2.6.32/drivers/mtd/ubi/vtbl.c 2010-01-05 10:57:03.000000000 +0000
>> @@ -566,6 +566,7 @@
>> vol->reserved_pebs = be32_to_cpu(vtbl[i].reserved_pebs);
>> vol->alignment = be32_to_cpu(vtbl[i].alignment);
>> vol->data_pad = be32_to_cpu(vtbl[i].data_pad);
>> + vol->upd_marker = vtbl[i].upd_marker;
>> vol->vol_type = vtbl[i].vol_type == UBI_VID_DYNAMIC ?
>> UBI_DYNAMIC_VOLUME : UBI_STATIC_VOLUME;
>> vol->name_len = be16_to_cpu(vtbl[i].name_len);
>
> Am I right that this means that whole "forbid using volume with
> unfinished update" functionality has not worked properly? Or I miss
> something? Looks like I should send this patch to -stable as well.
>
The in kernel update marker was always clear on reboot, regardless of
the flag in the volume table. Consequently reading from the volume
worked after a reboot even after a failed update.
P.
next prev parent reply other threads:[~2010-01-10 9:57 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-01-05 11:14 [PATCH] UBI fails to initialise in kernel update marker Peter Horton
2010-01-10 9:42 ` Artem Bityutskiy
2010-01-10 9:57 ` Peter Horton [this message]
2010-01-10 10:13 ` Artem Bityutskiy
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