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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>
zero-colors
Ursula Braun 2017-09-21 09:16:34 +02:00 committed by David S. Miller
parent 18e537cd58
commit 8c96feeeb3
1 changed files with 8 additions and 7 deletions
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15
net/smc/smc_close.c
View File

@ -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;