diff options
| author | Ursula Braun <ubraun@linux.vnet.ibm.com> | 2017-09-21 09:16:34 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-09-22 00:31:03 +0200 |
| commit | 8c96feeeb39ba0b89c6121f71e8f7aa2a4d46671 (patch) | |
| tree | cca710d1f7b98e04529f9181521eb6ed0c413e43 | |
| parent | net/smc: introduce a delay (diff) | |
| download | linux-8c96feeeb39ba0b89c6121f71e8f7aa2a4d46671.tar.xz linux-8c96feeeb39ba0b89c6121f71e8f7aa2a4d46671.zip | |
net/smc: no close wait in case of process shut down
Usually socket closing is delayed if there is still data available in
the send buffer to be transmitted. If a process is killed, the delay
should be avoided.
Signed-off-by: Ursula Braun <ubraun@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | net/smc/smc_close.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/net/smc/smc_close.c b/net/smc/smc_close.c index 5201bc103bd8..f0d16fb825f7 100644 --- a/net/smc/smc_close.c +++ b/net/smc/smc_close.c @@ -174,15 +174,15 @@ int smc_close_active(struct smc_sock *smc) { struct smc_cdc_conn_state_flags *txflags = &smc->conn.local_tx_ctrl.conn_state_flags; - long timeout = SMC_MAX_STREAM_WAIT_TIMEOUT; struct smc_connection *conn = &smc->conn; struct sock *sk = &smc->sk; int old_state; + long timeout; int rc = 0; - if (sock_flag(sk, SOCK_LINGER) && - !(current->flags & PF_EXITING)) - timeout = sk->sk_lingertime; + timeout = current->flags & PF_EXITING ? + 0 : sock_flag(sk, SOCK_LINGER) ? + sk->sk_lingertime : SMC_MAX_STREAM_WAIT_TIMEOUT; again: old_state = sk->sk_state; @@ -413,13 +413,14 @@ void smc_close_sock_put_work(struct work_struct *work) int smc_close_shutdown_write(struct smc_sock *smc) { struct smc_connection *conn = &smc->conn; - long timeout = SMC_MAX_STREAM_WAIT_TIMEOUT; struct sock *sk = &smc->sk; int old_state; + long timeout; int rc = 0; - if (sock_flag(sk, SOCK_LINGER)) - timeout = sk->sk_lingertime; + timeout = current->flags & PF_EXITING ? + 0 : sock_flag(sk, SOCK_LINGER) ? + sk->sk_lingertime : SMC_MAX_STREAM_WAIT_TIMEOUT; again: old_state = sk->sk_state; |