Re: [PATCH 07/17] NFS: Create a common rw_header_alloc and rw_header_free function

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On Mon, Apr 21, 2014 at 12:24:23PM -0400, Anna Schumaker wrote:
> > Okay.  I'll rework everything into the pageio_ops and see how it looks!  Maybe I'll see what I can do about updating the pnfs patches while I'm at it.
> I remember my issue with adding to the nfs_pageio_ops now.  The file, object and block layouts along with the generic pnfs code all have their own read and write pageio_ops.  Changing all of these seemed more tedious than adding a new struct  only in the read and write code.

Indeed, there's more instances in the pnfs code.  I was hoping your
pending pnfs patches were addressing that, and the general code
duplication between the pnfs and "classic" I/O code.

I guess it's best to put in your patches as-is for now, and maybe in the
future we can get rid of the pageio_ops once more code is shared with
the pnfs path.
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