[Linaro-mm-sig] [RFC v2] dma-buf: Add buffer sharing framework
rob at ti.com
Fri Sep 16 00:09:26 UTC 2011
On Thu, Sep 15, 2011 at 9:53 AM, Jordan Crouse <jcrouse at codeaurora.org> wrote:
> On 09/15/2011 03:31 AM, Sumit Semwal wrote:
>> I forgot to mention: As per review comments from Hans, and others, the read
>> / 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 agreeing
> that there is value in the read/write hooks. I know I was convinced that
> 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.
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