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authorTrond Myklebust <trond.myklebust@primarydata.com>2015-08-29 19:11:21 -0700
committerTrond Myklebust <trond.myklebust@primarydata.com>2015-08-29 19:11:21 -0700
commit099392048cd443349c50310f7fdc96070e40f4e7 (patch)
tree8c42b52313b92e363bb94fd16a7e11a85873714e /net
parent0c78789e3a030615c6650fde89546cadf40ec2cc (diff)
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SUNRPC: Prevent SYN+SYNACK+RST storms
Add a shutdown() call before we release the socket in order to ensure the reset is sent before we try to reconnect. Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Diffstat (limited to 'net')
-rw-r--r--net/sunrpc/xprtsock.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index 214ca9dfb14e..7be90bc1a7c2 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -822,6 +822,8 @@ static void xs_reset_transport(struct sock_xprt *transport)
if (atomic_read(&transport->xprt.swapper))
sk_clear_memalloc(sk);
+ kernel_sock_shutdown(sock, SHUT_RDWR);
+
write_lock_bh(&sk->sk_callback_lock);
transport->inet = NULL;
transport->sock = NULL;