[Linaro-mm-sig] [RFC v2] dma-buf: Add buffer sharing framework
Michael K. Edwards
m.k.edwards at gmail.com
Mon Sep 19 00:39:03 UTC 2011
On Sep 15, 2011 5:09 PM, "Clark, Rob" <rob at ti.com> wrote:
> On Thu, Sep 15, 2011 at 9:53 AM, Jordan Crouse <jcrouse at codeaurora.org>
> > On 09/15/2011 03:31 AM, Sumit Semwal wrote:
> >> I forgot to mention: As per review comments from Hans, and others, the
> >> / write ops are removed for now from both dma_buf_ops and fops of the
> >> associated file. Also mmap is made optional.
> > My summary of the previous mail thread was that everybody ended up
> > that there is value in the read/write hooks. I know I was convinced
> > they could be useful.
> I guess it should be easier to add new APIs later, than take them away..
> It seems like read/write could be potentially useful.. but couldn't
> think of any immediate need for them, so for me it seems ok to add
> later if/when needed. If they are just optional dmabuf's, then no
> harm in adding more fxn ptrs to the struct later.
Although I do think read/write have immediate uses, I agree with Rob that
they don't need to be part of this review.
> > Jordan
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