>
> > -----Original Message-----
> > From:
linux-mtd-bounces@lists.infradead.org
> > [mailto:linux-mtd-bounces@lists.infradead.org] On Behalf Of
> >
Bruce_Leonard@selinc.com
> > Sent: Tuesday, August 26, 2008 6:21 PM
> > To: Andrew Morton
> > Cc: linux-mtd-bounces@lists.infradead.org;
> > linux-mtd@lists.infradead.org; David Woodhouse;
> > linux-kernel@vger.kernel.org; Bruce Leonard
> > Subject: Re: [PATCH 2/2][MTD] Add support for > 2GiB MTD devices
> >
> >
linux-mtd-bounces@lists.infradead.org wrote on 08/26/2008 04:55:36 PM:
> >
> > > On Thu, 21 Aug 2008 19:00:55 -0700 (GMT-07:00)
> > > Bruce Leonard <brucle@earthlink.net> wrote:
> > >
> > > > --- a/include/mtd/mtd-abi.h
> > > > +++ b/include/mtd/mtd-abi.h
> > > > @@ -6,7 +6,7 @@
> > > > #define __MTD_ABI_H__
> > > >
> > > > struct erase_info_user {
> > > > - uint32_t start;
> > > > + uint64_t start;
> > > > uint32_t length;
> > > > };
> > > >
> > > > @@ -50,7 +50,7 @@ struct mtd_oob_buf {
> > > > struct mtd_info_user {
> > > > uint8_t type;
> > > > uint32_t flags;
> > > > - uint32_t size; // Total size of the MTD
> > > > + uint64_t size; // Total size of the MTD
> > > > uint32_t erasesize;
> > > > uint32_t writesize;
> > > > uint32_t oobsize; // Amount of OOB data per block (e.g. 16)
> > >
> > > This changes the kernel<->userspace ABI and is hence a big no-no. I
> > > assume that this change will cause old userspace to
> > malfunction on new
> > > kernels, and vice versa.
> > >
> >
> > Well, in my posting I noted that the mtd-utils were broken
> > because of this
> > but I didn't really have any idea as to how to fix things. I
> > can see why
> > it would be a big no-no to change this. Do you have any
> > suggestions on
> > what I could do differently to prevent making that change?
> >
> > > Supporting >2Gb MTD devices sounds useful (I'm surprised
> > that we don't
> > > already do so).
> > >
> >
> > There was a LOT of interest in this over the last few months
> > while I was
> > working on it, but a very suprising silence has developed
> > since I posted
> > the patches. I guess I'm more cutting edge than I thought :).
> >
> > > Please cc
linux-mtd@lists.infradead.org (at least) on MTD-related
> > > patches, thanks.
> >
> > I started with the MTD list and then also posted to lkml when
> > I realized I
> > had forgotten to CC it.
> >
> > Thanks.
> >
> > Bruce
> >
> > ______________________________________________________
> > Linux MTD discussion mailing list
> >
http://lists.infradead.org/mailman/listinfo/linux-mtd/
> >
>
