netdev - Re: [PATCH net-next] rxrpc: Cache the congestion window setting

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Message-Id: <20170614.154310.849323406453518301.davem@davemloft.net>
Date:   Wed, 14 Jun 2017 15:43:10 -0400 (EDT)
From:   David Miller <davem@...emloft.net>
To:     dhowells@...hat.com
Cc:     netdev@...r.kernel.org, linux-afs@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next] rxrpc: Cache the congestion window setting

From: David Howells <dhowells@...hat.com>
Date: Wed, 14 Jun 2017 17:56:50 +0100

> Cache the congestion window setting that was determined during a call's
> transmission phase when it finishes so that it can be used by the next call
> to the same peer, thereby shortcutting the slow-start algorithm.
> 
> The value is stored in the rxrpc_peer struct and is accessed without
> locking.  Each call takes the value that happens to be there when it starts
> and just overwrites the value when it finishes.
> 
> Signed-off-by: David Howells <dhowells@...hat.com>

Applied, thanks David.