commit 0e7b30d3a1874da406c4b159452e83c58e6590db Author: Chuck Lever Date: Thu Aug 11 16:25:44 2005 -0400 [PATCH] RPC: Add helper for waking tasks pending on a transport Clean-up: remove only reference to xprt->pending from the socket transport implementation. This makes a cleaner interface for other transport implementations as well. Test-plan: Compile kernel with CONFIG_NFS enabled. Version: Thu, 11 Aug 2005 16:06:52 -0400 Signed-off-by: Chuck Lever Signed-off-by: Trond Myklebust --- include/linux/sunrpc/xprt.h | 1 + net/sunrpc/xprt.c | 18 ++++++++++++++++-- net/sunrpc/xprtsock.c | 7 ++----- 3 files changed, 19 insertions(+), 7 deletions(-) diff --git a/include/linux/sunrpc/xprt.h b/include/linux/sunrpc/xprt.h --- a/include/linux/sunrpc/xprt.h +++ b/include/linux/sunrpc/xprt.h @@ -232,6 +232,7 @@ void xprt_reserve(struct rpc_task *); int xprt_prepare_transmit(struct rpc_task *); void xprt_transmit(struct rpc_task *); void xprt_receive(struct rpc_task *); +void xprt_wake_pending_tasks(struct rpc_xprt *, int); int xprt_adjust_timeout(struct rpc_rqst *req); void xprt_release(struct rpc_task *); void xprt_connect(struct rpc_task *); diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c --- a/net/sunrpc/xprt.c +++ b/net/sunrpc/xprt.c @@ -227,6 +227,20 @@ xprt_adjust_cwnd(struct rpc_xprt *xprt, xprt->cwnd = cwnd; } +/** + * xprt_wake_pending_tasks - wake all tasks on a transport's pending queue + * @xprt: transport with waiting tasks + * @status: result code to plant in each task before waking it + * + */ +void xprt_wake_pending_tasks(struct rpc_xprt *xprt, int status) +{ + if (status < 0) + rpc_wake_up_status(&xprt->pending, status); + else + rpc_wake_up(&xprt->pending); +} + static void xprt_reset_majortimeo(struct rpc_rqst *req) { struct rpc_timeout *to = &req->rq_xprt->timeout; @@ -300,7 +314,7 @@ void xprt_disconnect(struct rpc_xprt *xp dprintk("RPC: disconnected transport %p\n", xprt); spin_lock_bh(&xprt->transport_lock); xprt_clear_connected(xprt); - rpc_wake_up_status(&xprt->pending, -ENOTCONN); + xprt_wake_pending_tasks(xprt, -ENOTCONN); spin_unlock_bh(&xprt->transport_lock); } @@ -803,7 +817,7 @@ static void xprt_shutdown(struct rpc_xpr xprt->shutdown = 1; rpc_wake_up(&xprt->sending); rpc_wake_up(&xprt->resend); - rpc_wake_up(&xprt->pending); + xprt_wake_pending_tasks(xprt, -EIO); rpc_wake_up(&xprt->backlog); wake_up(&xprt->cong_wait); del_timer_sync(&xprt->timer); diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c --- a/net/sunrpc/xprtsock.c +++ b/net/sunrpc/xprtsock.c @@ -703,7 +703,7 @@ static void xs_tcp_state_change(struct s xprt->tcp_reclen = 0; xprt->tcp_copied = 0; xprt->tcp_flags = XPRT_COPY_RECM | XPRT_COPY_XID; - rpc_wake_up(&xprt->pending); + xprt_wake_pending_tasks(xprt, 0); } spin_unlock_bh(&xprt->transport_lock); break; @@ -920,10 +920,7 @@ static void xs_connect_worker(void *args } } out: - if (status < 0) - rpc_wake_up_status(&xprt->pending, status); - else - rpc_wake_up(&xprt->pending); + xprt_wake_pending_tasks(xprt, status); out_clear: xprt_clear_connecting(xprt); }