Subject: Re: [PATCH v3 2/2] lib/scatterlist: use page iterator in the mapping iterator

From: Stephen Warren <[email-masked]>
Date: Sat, 23 Feb 2013 16:45:11 -0700

On Sat, 23 Feb 2013 22:04:06 +0200, Imre Deak wrote:
> On Fri, 2013-02-22 at 21:29 -0700, Stephen Warren wrote:
>> On 02/13/2013 08:10 AM, Imre Deak wrote:
>>> For better code reuse use the newly added page iterator to iterate
>>> through the pages. The offset, length within the page is still
>>> calculated by the mapping iterator as well as the actual mapping.
>>> Idea from Tejun Heo <[email-masked]>.
>>
>> This patch appears in linux-next since next-20130220. It breaks mounting
>> a root filesystem on an SD card on the Raspberry Pi ARM platform, with
>> errors such as those shown below.
>>
>> next-20130222 with just this patch reverted works fine.
> 
> ...
> the following might fix the
> problem you saw. Could you give it a try? It applies on top of
> v4 of the patch [1]:

Yes, thanks very much. That incremental patch you gave solves the
problem perfectly.