diff options
| author | Ursula Braun <ubraun@linux.ibm.com> | 2020-09-10 19:48:20 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-09-11 01:24:26 +0300 |
| commit | a60a2b1e0af1a7517ba41689b39e9df90ef09041 (patch) | |
| tree | 821da1d90afd0ce0aada4bc2df6a774162d42463 /net/smc/smc_close.c | |
| parent | b55353e2cc1415c1ece3ae34a856309b40bb0b4b (diff) | |
| download | linux-a60a2b1e0af1a7517ba41689b39e9df90ef09041.tar.xz | |
net/smc: reduce active tcp_listen workers
SMC starts a separate tcp_listen worker for every SMC socket in
state SMC_LISTEN, and can accept an incoming connection request only,
if this worker is really running and waiting in kernel_accept(). But
the number of running workers is limited.
This patch reworks the listening SMC code and starts a tcp_listen worker
after the SYN-ACK handshake on the internal clc-socket only.
Suggested-by: Karsten Graul <kgraul@linux.ibm.com>
Signed-off-by: Ursula Braun <ubraun@linux.ibm.com>
Reviewed-by: Guvenc Gulce <guvenc@linux.ibm.com>
Signed-off-by: Karsten Graul <kgraul@linux.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.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/net/smc/smc_close.c b/net/smc/smc_close.c index 0e7409e469c0..10d05a6d34fc 100644 --- a/net/smc/smc_close.c +++ b/net/smc/smc_close.c @@ -208,12 +208,11 @@ again: break; case SMC_LISTEN: sk->sk_state = SMC_CLOSED; + smc->clcsock->sk->sk_data_ready = smc->clcsk_data_ready; + smc->clcsock->sk->sk_user_data = NULL; sk->sk_state_change(sk); /* wake up accept */ - if (smc->clcsock && smc->clcsock->sk) { + if (smc->clcsock && smc->clcsock->sk) rc = kernel_sock_shutdown(smc->clcsock, SHUT_RDWR); - /* wake up kernel_accept of smc_tcp_listen_worker */ - smc->clcsock->sk->sk_data_ready(smc->clcsock->sk); - } smc_close_cleanup_listen(sk); release_sock(sk); flush_work(&smc->tcp_listen_work); |