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veth: Kill unused tx_dropped 

Followup to commit f82528bc13 (Exclude duplicated checking for
iface-up) : We no longer need percpu tx_dropped field.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet 2011-07-06 01:51:04 -07:00 committed by David S. Miller
parent 3600cdadb7
commit 81b16ba2f1
1 changed files with 1 additions and 4 deletions
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5
drivers/net/veth.c
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@ -30,7 +30,6 @@ struct veth_net_stats {
u64 rx_bytes; u64 rx_bytes;
u64 tx_bytes; u64 tx_bytes;
u64 rx_dropped; u64 rx_dropped;
u64 tx_dropped;
struct u64_stats_sync syncp; struct u64_stats_sync syncp;
}; };
@ -168,7 +167,7 @@ static struct rtnl_link_stats64 *veth_get_stats64(struct net_device *dev,
for_each_possible_cpu(cpu) { for_each_possible_cpu(cpu) {
struct veth_net_stats *stats = per_cpu_ptr(priv->stats, cpu); struct veth_net_stats *stats = per_cpu_ptr(priv->stats, cpu);
u64 rx_packets, rx_bytes, rx_dropped; u64 rx_packets, rx_bytes, rx_dropped;
u64 tx_packets, tx_bytes, tx_dropped; u64 tx_packets, tx_bytes;
unsigned int start; unsigned int start;
do { do {
@ -178,14 +177,12 @@ static struct rtnl_link_stats64 *veth_get_stats64(struct net_device *dev,
rx_bytes = stats->rx_bytes; rx_bytes = stats->rx_bytes;
tx_bytes = stats->tx_bytes; tx_bytes = stats->tx_bytes;
rx_dropped = stats->rx_dropped; rx_dropped = stats->rx_dropped;
tx_dropped = stats->tx_dropped;
} while (u64_stats_fetch_retry_bh(&stats->syncp, start)); } while (u64_stats_fetch_retry_bh(&stats->syncp, start));
tot->rx_packets += rx_packets; tot->rx_packets += rx_packets;
tot->tx_packets += tx_packets; tot->tx_packets += tx_packets;
tot->rx_bytes += rx_bytes; tot->rx_bytes += rx_bytes;
tot->tx_bytes += tx_bytes; tot->tx_bytes += tx_bytes;
tot->rx_dropped += rx_dropped; tot->rx_dropped += rx_dropped;
tot->tx_dropped += tx_dropped;
} }
return tot; return tot;