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| author | Michael S. Tsirkin <mst@redhat.com> | 2012-12-03 07:31:51 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-12-03 13:42:17 -0500 |
| commit | 64e9a9b8a0eef9cbd9f86f0e79fc4eeea24abe76 (patch) | |
| tree | eab1d3f85c5d09d5efaa86a532b31048db10f198 /drivers/vhost | |
| parent | 3e14bd390ebe41e8b83855fd85fb64478c7c5ee2 (diff) | |
| download | linux-64e9a9b8a0eef9cbd9f86f0e79fc4eeea24abe76.tar.gz linux-64e9a9b8a0eef9cbd9f86f0e79fc4eeea24abe76.tar.bz2 linux-64e9a9b8a0eef9cbd9f86f0e79fc4eeea24abe76.zip | |
vhost-net: initialize zcopy packet counters
These packet counters are used to drive the zercopy
selection heuristic so nothing too bad happens if they are off a bit -
and they are also reset once in a while.
But it's cleaner to clear them when backend is set so that
we start in a known state.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/vhost')
| -rw-r--r-- | drivers/vhost/net.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/vhost/net.c b/drivers/vhost/net.c index 67898fa9c447..ff6c91995c96 100644 --- a/drivers/vhost/net.c +++ b/drivers/vhost/net.c @@ -823,6 +823,9 @@ static long vhost_net_set_backend(struct vhost_net *n, unsigned index, int fd) r = vhost_init_used(vq); if (r) goto err_vq; + + n->tx_packets = 0; + n->tx_zcopy_err = 0; } mutex_unlock(&vq->mutex); |