[ovs-dev] [PATCH net-next 4/4] net: Add Open vSwitch kernel components.

[Stephen Hemminger]

On Fri, 18 Nov 2011 15:12:18 -0800
Jesse Gross <jesse at nicira.com> wrote:

> +		write_seqcount_begin(&stats->seqlock);
> +		stats->tx_packets++;
> +		stats->tx_bytes += sent;
> +		write_seqcount_end(&stats->seqlock);

There is a u64_stats_sync set of macros for this. It has the
advantage of becoming a NOP on 64 bit platforms.