On 2/14/2018 11:01 AM, Sowmini Varadhan wrote:
On (02/14/18 10:50), Santosh Shilimkar wrote:
generic comment and please update it where it is applicable
in terms of variable names, notifiers etc.

RDS support true zero copy already with RDMA transport so some of
this code can easily get confused.

So I suggest something like below.

I'd like to hear some additional opinions from the list on this:
the existing socket API for TCP etc.  already uses ZEROCOPY, and other
than extending variable names (and putting me at risk of violating the
"fit within 80 chars per line" requirement, leading to not-so-pretty
line wraps), I'm not seeing much value in this.

What you mean by not seeing value ?
It has a value for RDS code which already support ZERO copy via
RDMA transport. For TCP sockets in isolation, ZCOPY may be
alright. Patch under discussion is for RDS and hence the


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