[PATCH net-next v2] net: Modify sock_set_keepalive() for more scenarios
From: Yajun Deng <hidden>
Date: 2021-08-04 03:29:22
Add 2nd parameter in sock_set_keepalive(), let the caller decide whether to set. This can be applied to more scenarios. v2: - add the change in fs/dlm. Signed-off-by: Yajun Deng <redacted> --- fs/dlm/lowcomms.c | 2 +- include/net/sock.h | 2 +- net/core/filter.c | 4 +--- net/core/sock.c | 10 ++++------ net/mptcp/sockopt.c | 4 +--- net/rds/tcp_listen.c | 2 +- net/smc/af_smc.c | 2 +- net/sunrpc/xprtsock.c | 2 +- 8 files changed, 11 insertions(+), 17 deletions(-)
diff --git a/fs/dlm/lowcomms.c b/fs/dlm/lowcomms.c
index 0ea9ae35da0b..5d748ce4d876 100644
--- a/fs/dlm/lowcomms.c
+++ b/fs/dlm/lowcomms.c@@ -1356,7 +1356,7 @@ static int tcp_create_listen_sock(struct listen_connection *con, log_print("Can't bind to port %d", dlm_config.ci_tcp_port); goto create_out; } - sock_set_keepalive(sock->sk); + sock_set_keepalive(sock->sk, true); result = sock->ops->listen(sock, 5); if (result < 0) {
diff --git a/include/net/sock.h b/include/net/sock.h
index ff1be7e7e90b..0aae26159549 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h@@ -2772,7 +2772,7 @@ int sock_set_timestamping(struct sock *sk, int optname, void sock_enable_timestamps(struct sock *sk); void sock_no_linger(struct sock *sk); -void sock_set_keepalive(struct sock *sk); +void sock_set_keepalive(struct sock *sk, bool valbool); void sock_set_priority(struct sock *sk, u32 priority); void sock_set_rcvbuf(struct sock *sk, int val); void sock_set_mark(struct sock *sk, u32 val);
diff --git a/net/core/filter.c b/net/core/filter.c
index 6f493ef5bb14..c73caa53992e 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c@@ -4752,9 +4752,7 @@ static int _bpf_setsockopt(struct sock *sk, int level, int optname, ret = sock_bindtoindex(sk, ifindex, false); break; case SO_KEEPALIVE: - if (sk->sk_prot->keepalive) - sk->sk_prot->keepalive(sk, valbool); - sock_valbool_flag(sk, SOCK_KEEPOPEN, valbool); + sock_set_keepalive(sk, !!valbool); break; case SO_REUSEPORT: sk->sk_reuseport = valbool;
diff --git a/net/core/sock.c b/net/core/sock.c
index 9671c32e6ef5..7041e6355ae1 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c@@ -892,12 +892,12 @@ int sock_set_timestamping(struct sock *sk, int optname, return 0; } -void sock_set_keepalive(struct sock *sk) +void sock_set_keepalive(struct sock *sk, bool valbool) { lock_sock(sk); if (sk->sk_prot->keepalive) - sk->sk_prot->keepalive(sk, true); - sock_valbool_flag(sk, SOCK_KEEPOPEN, true); + sk->sk_prot->keepalive(sk, valbool); + sock_valbool_flag(sk, SOCK_KEEPOPEN, valbool); release_sock(sk); } EXPORT_SYMBOL(sock_set_keepalive);
@@ -1060,9 +1060,7 @@ int sock_setsockopt(struct socket *sock, int level, int optname, break; case SO_KEEPALIVE: - if (sk->sk_prot->keepalive) - sk->sk_prot->keepalive(sk, valbool); - sock_valbool_flag(sk, SOCK_KEEPOPEN, valbool); + sock_set_keepalive(sk, !!valbool); break; case SO_OOBINLINE:
diff --git a/net/mptcp/sockopt.c b/net/mptcp/sockopt.c
index 8c03afac5ca0..879b8381055c 100644
--- a/net/mptcp/sockopt.c
+++ b/net/mptcp/sockopt.c@@ -81,9 +81,7 @@ static void mptcp_sol_socket_sync_intval(struct mptcp_sock *msk, int optname, in sock_valbool_flag(ssk, SOCK_DBG, !!val); break; case SO_KEEPALIVE: - if (ssk->sk_prot->keepalive) - ssk->sk_prot->keepalive(ssk, !!val); - sock_valbool_flag(ssk, SOCK_KEEPOPEN, !!val); + sock_set_keepalive(ssk, !!val); break; case SO_PRIORITY: ssk->sk_priority = val;
diff --git a/net/rds/tcp_listen.c b/net/rds/tcp_listen.c
index 09cadd556d1e..b69ebb3f424a 100644
--- a/net/rds/tcp_listen.c
+++ b/net/rds/tcp_listen.c@@ -44,7 +44,7 @@ void rds_tcp_keepalive(struct socket *sock) int keepidle = 5; /* send a probe 'keepidle' secs after last data */ int keepcnt = 5; /* number of unack'ed probes before declaring dead */ - sock_set_keepalive(sock->sk); + sock_set_keepalive(sock->sk, true); tcp_sock_set_keepcnt(sock->sk, keepcnt); tcp_sock_set_keepidle(sock->sk, keepidle); /* KEEPINTVL is the interval between successive probes. We follow
diff --git a/net/smc/af_smc.c b/net/smc/af_smc.c
index 898389611ae8..ad8f4302037f 100644
--- a/net/smc/af_smc.c
+++ b/net/smc/af_smc.c@@ -68,7 +68,7 @@ static void smc_set_keepalive(struct sock *sk, int val) { struct smc_sock *smc = smc_sk(sk); - smc->clcsock->sk->sk_prot->keepalive(smc->clcsock->sk, val); + sock_set_keepalive(smc->clcsock->sk, !!val); } static struct smc_hashinfo smc_v4_hashinfo = {
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index e573dcecdd66..306a332f8d28 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c@@ -2127,7 +2127,7 @@ static void xs_tcp_set_socket_timeouts(struct rpc_xprt *xprt, spin_unlock(&xprt->transport_lock); /* TCP Keepalive options */ - sock_set_keepalive(sock->sk); + sock_set_keepalive(sock->sk, true); tcp_sock_set_keepidle(sock->sk, keepidle); tcp_sock_set_keepintvl(sock->sk, keepidle); tcp_sock_set_keepcnt(sock->sk, keepcnt);
--
2.32.0