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authorUrsula Braun <ubraun@linux.vnet.ibm.com>2017-09-21 10:16:34 +0300
committerDavid S. Miller <davem@davemloft.net>2017-09-22 01:31:03 +0300
commit8c96feeeb39ba0b89c6121f71e8f7aa2a4d46671 (patch)
treecca710d1f7b98e04529f9181521eb6ed0c413e43 /net/smc/smc_close.c
parent18e537cd58e8d6932719bfa79cb96a1fbc639199 (diff)
downloadlinux-8c96feeeb39ba0b89c6121f71e8f7aa2a4d46671.tar.xz
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>
Diffstat (limited to 'net/smc/smc_close.c')
-rw-r--r--net/smc/smc_close.c15
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;