Samuel/Eitan,
If you are OK with the changes, can you pls. give a Acked-by, so we can check 
it in?

thanks,
Nithin


On Sep 11, 2014, at 12:23 AM, Eitan Eliahu <elia...@vmware.com> wrote:

> HI Sam,
> Please note that the cleanup callback is not called by NDIS rather called 
> directed by the I/O manager for the device we created for communicating with 
> the user mode process.
> This device is not part of the network stack.
> Per your question: Socket for sump operation are transient (i.e. created and 
> deleted specifically for the transaction). On the other hand socket which are 
> used for notifications are associated (indirectly) with a queue. Each socket 
> is associated with an open file handle. But, packet socket and transaction 
> based sockets are always separate. Only notification sockets has an I/O 
> pending in the driver. So there is no case were same socket or file handle is 
> used for event notifications and for packet read.
> I hope I answered your question.
> Eitan
> 
> -----Original Message-----
> From: dev [mailto:dev-boun...@openvswitch.org] On Behalf Of Samuel Ghinet
> Sent: Wednesday, September 10, 2014 4:15 PM
> To: dev@openvswitch.org; Nithin Raju
> Subject: Re: [ovs-dev] [PATCH] datapath-windows: cleanup dump state during 
> instance cleanup
> 
> Hey Nithin,
> 
> AFAIK OvsCleanupOpenInstance is called by OvsCleanupDevice, which is a 
> callback called by NDIS when an IO is pending and the file must be closed.
> FreeUserDumpState is only for dump operations.
> 
> Is it possible that an IO to be pending (packet queueing) while at the same 
> time a dump operation to be in progress, for the same file?
> 
> Sam
> ________________________________________
> Date: Wed, 10 Sep 2014 13:17:17 -0700
> From: Nithin Raju <nit...@vmware.com>
> To: dev@openvswitch.org
> Subject: [ovs-dev] [PATCH] datapath-windows: cleanup dump state during
>        instance cleanup
> Message-ID: <1410380237-28794-1-git-send-email-nit...@vmware.com>
> 
> Signed-off-by: Nithin Raju <nit...@vmware.com>
> ---
> datapath-windows/ovsext/Datapath.c |    1 +
> 1 files changed, 1 insertions(+), 0 deletions(-)
> 
> diff --git a/datapath-windows/ovsext/Datapath.c 
> b/datapath-windows/ovsext/Datapath.c
> index c145d00..d1f4b9d 100644
> --- a/datapath-windows/ovsext/Datapath.c
> +++ b/datapath-windows/ovsext/Datapath.c
> @@ -417,6 +417,7 @@ OvsCleanupOpenInstance(PFILE_OBJECT fileObject)
>     POVS_OPEN_INSTANCE instance = (POVS_OPEN_INSTANCE)fileObject->FsContext;
>     ASSERT(instance);
>     ASSERT(fileObject == instance->fileObject);
> +    FreeUserDumpState(instance);
>     OvsCleanupEvent(instance);
>     OvsCleanupPacketQueue(instance);
> }
> --
> 1.7.4.1
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Thanks,
-- Nithin

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