From: Trond Myklebust Date: Wed, 11 Mar 2009 18:38:03 +0000 (-0400) Subject: SUNRPC: Add a sysctl to control the duration of the socket linger timeout X-Git-Tag: 2.1b_release~13484^2^2~31 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=25fe6142a57c720452c5e9ddbc1f32309c1e5c19;p=platform%2Fkernel%2Fkernel-mfld-blackbay.git SUNRPC: Add a sysctl to control the duration of the socket linger timeout Signed-off-by: Trond Myklebust --- diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c index b51f58b..42222b4 100644 --- a/net/sunrpc/xprtsock.c +++ b/net/sunrpc/xprtsock.c @@ -50,6 +50,7 @@ unsigned int xprt_min_resvport = RPC_DEF_MIN_RESVPORT; unsigned int xprt_max_resvport = RPC_DEF_MAX_RESVPORT; #define XS_TCP_LINGER_TO (15U * HZ) +static unsigned int xs_tcp_fin_timeout __read_mostly = XS_TCP_LINGER_TO; /* * We can register our own files under /proc/sys/sunrpc by @@ -119,6 +120,14 @@ static ctl_table xs_tunables_table[] = { .extra2 = &xprt_max_resvport_limit }, { + .procname = "tcp_fin_timeout", + .data = &xs_tcp_fin_timeout, + .maxlen = sizeof(xs_tcp_fin_timeout), + .mode = 0644, + .proc_handler = &proc_dointvec_jiffies, + .strategy = sysctl_jiffies + }, + { .ctl_name = 0, }, }; @@ -1222,7 +1231,7 @@ static void xs_tcp_state_change(struct sock *sk) clear_bit(XPRT_CONNECTED, &xprt->state); clear_bit(XPRT_CLOSE_WAIT, &xprt->state); smp_mb__after_clear_bit(); - xs_tcp_schedule_linger_timeout(xprt, XS_TCP_LINGER_TO); + xs_tcp_schedule_linger_timeout(xprt, xs_tcp_fin_timeout); break; case TCP_CLOSE_WAIT: /* The server initiated a shutdown of the socket */ @@ -1239,7 +1248,7 @@ static void xs_tcp_state_change(struct sock *sk) break; case TCP_LAST_ACK: set_bit(XPRT_CLOSING, &xprt->state); - xs_tcp_schedule_linger_timeout(xprt, XS_TCP_LINGER_TO); + xs_tcp_schedule_linger_timeout(xprt, xs_tcp_fin_timeout); smp_mb__before_clear_bit(); clear_bit(XPRT_CONNECTED, &xprt->state); smp_mb__after_clear_bit();