SUNRPC: Allow svc_reserve() to notify TCP socket that space has been freed
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c
index 88db211..c24a8ff 100644
--- a/net/sunrpc/svcsock.c
+++ b/net/sunrpc/svcsock.c
@@ -475,6 +475,14 @@
svc_write_space(sk);
}
+static void svc_tcp_adjust_wspace(struct svc_xprt *xprt)
+{
+ struct svc_sock *svsk = container_of(xprt, struct svc_sock, sk_xprt);
+
+ if (svc_tcp_has_wspace(xprt))
+ clear_bit(SOCK_NOSPACE, &svsk->sk_sock->flags);
+}
+
/*
* See net/ipv6/ip_sockglue.c : ip_cmsg_recv_pktinfo
*/
@@ -1289,6 +1297,7 @@
.xpo_has_wspace = svc_tcp_has_wspace,
.xpo_accept = svc_tcp_accept,
.xpo_secure_port = svc_sock_secure_port,
+ .xpo_adjust_wspace = svc_tcp_adjust_wspace,
};
static struct svc_xprt_class svc_tcp_class = {