[ovs-dev] [PATCH v4 1/2] Add file descriptor persistence where possible

Anton Ivanov anton.ivanov at cambridgegreys.com
Fri Mar 6 22:36:28 UTC 2020

I have a cleaner version in the works which should be ready some times 
next week.

I will try to release the next version ~ Tue/Wed along with some level 
of async IO as well as reduction of copying in the json rpc TX path.


On 06/03/2020 21:38, Ben Pfaff wrote:
> On Wed, Feb 26, 2020 at 03:24:17PM +0000, anton.ivanov at cambridgegreys.com wrote:
>> From: Anton Ivanov <anton.ivanov at cambridgegreys.com>
>> 1. Adds "persistent" behaviour where feasible streams.
>> These are waited upon in the same thread where they are created. This
>> allows them to be registered persistently with the OS (if possible)
>> as well as the OS to provide hints - is the FD ready, is it closed,
>> etc.
>> 2. Removes unnecessary attempts to perform a read vs EAGAIN on a fd
>> which is not ready if the thread has a persistent poll loop.
>> 3. Enables fd persistence for ovsdb main server thread only
>> Signed-off-by: Anton Ivanov <anton.ivanov at cambridgegreys.com>
> Thanks for the patches.
> These have lots and lots of coding style violations, as reported by the
> checkpatch robot.  Would you mind fixing those up and resubmitting a v5?
> Thanks,
> Ben.

Anton R. Ivanov
Cambridgegreys Limited. Registered in England. Company Number 10273661

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