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Date: Thu, 18 Mar 2004 16:55:50 -0800
From: Andrew Morton <akpm@osdl.org>
Subject: Re: pci_map_single return value
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To: Anton Blanchard <anton@samba.org>
Cc: ak@suse.de, davem@redhat.com, linux-arch@vger.kernel.org
List-ID: <linux-arch.vger.kernel.org>

Anton Blanchard <anton@samba.org> wrote:
>
> > Another addition here:
>  > 
>  > Please note that the sg cannot be mapped again if it has been mapped once.
>  > The mapping process is allowed to destroy information in the sg.
>  > 
>  > [some drivers do this currently and it causes problems]
>  > 
>  > > +As with the other mapping interfaces, dma_map_sg can fail. When it
>  > > +does, 0 is returned and a driver should take appropriate action.
>  > 
>  > Please make this stronger. A block driver should definitely abort the
>  > request, otherwise you can kiss your super block good-bye.
> 
>  Better late than never. Andrew does this look OK to you?

Spose so.  Does this mean driver patches are on the way?