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SubjectRe: [PATCH v6 04/24] erofs: add raw address_space operations
Hi Christoph,

On Fri, Aug 30, 2019 at 09:40:13AM -0700, Christoph Hellwig wrote:
> On Thu, Aug 29, 2019 at 07:46:11PM +0800, Gao Xiang wrote:
> > Hi Christoph,
> >
> > On Thu, Aug 29, 2019 at 03:17:21AM -0700, Christoph Hellwig wrote:
> > > The actual address_space operations seem to largely duplicate
> > > the iomap versions. Please use those instead. Also I don't think
> > > any new file system should write up ->bmap these days.
> >
> > iomap doesn't support tail-end packing inline data till now,
> > I think Chao and I told you and Andreas before [1].
> >
> > Since EROFS keeps a self-contained driver for now, we will use
> > iomap if it supports tail-end packing inline data later.
>
> Well, so work with the maintainers to enhance the core kernel. That
> is how Linux development works. We've added various iomap enhancements
> for gfs in the last merge windows, and we've added more for the brand
> new zonefs file system we plan to merge for 5.4.

That is a good idea, I think Chao will continue working on this
(adding tail-end packing inline approach into iomap, thus we can
have few code in data.c.)

Thanks,
Gao Xiang

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