From ee5ebe851ed60206f150d3f189416f9c63245b66 Mon Sep 17 00:00:00 2001 From: Trond Myklebust Date: Fri, 16 Apr 2010 16:37:01 -0400 Subject: SUNRPC: Clean up xprt_release() Reviewed-by: Chuck Lever Signed-off-by: Trond Myklebust --- net/sunrpc/xprt.c | 32 ++++++++++++++++---------------- 1 file changed, 16 insertions(+), 16 deletions(-) (limited to 'net/sunrpc') diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c index 42f09ade0044..18415cc37c01 100644 --- a/net/sunrpc/xprt.c +++ b/net/sunrpc/xprt.c @@ -62,7 +62,6 @@ * Local functions */ static void xprt_request_init(struct rpc_task *, struct rpc_xprt *); -static inline void do_xprt_reserve(struct rpc_task *); static void xprt_connect_status(struct rpc_task *task); static int __xprt_get_cong(struct rpc_xprt *, struct rpc_task *); @@ -935,7 +934,7 @@ void xprt_transmit(struct rpc_task *task) spin_unlock_bh(&xprt->transport_lock); } -static inline void do_xprt_reserve(struct rpc_task *task) +static void xprt_alloc_slot(struct rpc_task *task) { struct rpc_xprt *xprt = task->tk_xprt; @@ -955,6 +954,16 @@ static inline void do_xprt_reserve(struct rpc_task *task) rpc_sleep_on(&xprt->backlog, task, NULL); } +static void xprt_free_slot(struct rpc_xprt *xprt, struct rpc_rqst *req) +{ + memset(req, 0, sizeof(*req)); /* mark unused */ + + spin_lock(&xprt->reserve_lock); + list_add(&req->rq_list, &xprt->free); + rpc_wake_up_next(&xprt->backlog); + spin_unlock(&xprt->reserve_lock); +} + /** * xprt_reserve - allocate an RPC request slot * @task: RPC task requesting a slot allocation @@ -968,7 +977,7 @@ void xprt_reserve(struct rpc_task *task) task->tk_status = -EIO; spin_lock(&xprt->reserve_lock); - do_xprt_reserve(task); + xprt_alloc_slot(task); spin_unlock(&xprt->reserve_lock); } @@ -1006,14 +1015,10 @@ void xprt_release(struct rpc_task *task) { struct rpc_xprt *xprt; struct rpc_rqst *req; - int is_bc_request; if (!(req = task->tk_rqstp)) return; - /* Preallocated backchannel request? */ - is_bc_request = bc_prealloc(req); - xprt = req->rq_xprt; rpc_count_iostats(task); spin_lock_bh(&xprt->transport_lock); @@ -1027,21 +1032,16 @@ void xprt_release(struct rpc_task *task) mod_timer(&xprt->timer, xprt->last_used + xprt->idle_timeout); spin_unlock_bh(&xprt->transport_lock); - if (!bc_prealloc(req)) + if (req->rq_buffer) xprt->ops->buf_free(req->rq_buffer); task->tk_rqstp = NULL; if (req->rq_release_snd_buf) req->rq_release_snd_buf(req); dprintk("RPC: %5u release request %p\n", task->tk_pid, req); - if (likely(!is_bc_request)) { - memset(req, 0, sizeof(*req)); /* mark unused */ - - spin_lock(&xprt->reserve_lock); - list_add(&req->rq_list, &xprt->free); - rpc_wake_up_next(&xprt->backlog); - spin_unlock(&xprt->reserve_lock); - } else + if (likely(!bc_prealloc(req))) + xprt_free_slot(xprt, req); + else xprt_free_bc_request(req); } -- cgit v1.2.3