From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from fieldses.org ([174.143.236.118]:39845 "EHLO fieldses.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756952Ab1DFXGd (ORCPT ); Wed, 6 Apr 2011 19:06:33 -0400 From: "J. Bruce Fields" To: linux-nfs@vger.kernel.org Cc: Trond Myklebust , "J. Bruce Fields" Subject: [PATCH 2/7] SUNRPC: svc_tcp_recvfrom cleanup Date: Wed, 6 Apr 2011 19:06:21 -0400 Message-Id: <1302131186-6578-3-git-send-email-bfields@redhat.com> In-Reply-To: <1302131186-6578-1-git-send-email-bfields@redhat.com> References: <1302131186-6578-1-git-send-email-bfields@redhat.com> Sender: linux-nfs-owner@vger.kernel.org List-ID: Content-Type: text/plain MIME-Version: 1.0 From: Trond Myklebust Minor cleanup in preparation for later patches. Signed-off-by: Trond Myklebust Signed-off-by: J. Bruce Fields --- net/sunrpc/svcsock.c | 34 +++++++++++++++------------------- 1 files changed, 15 insertions(+), 19 deletions(-) diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c index 29b31df..828fff7 100644 --- a/net/sunrpc/svcsock.c +++ b/net/sunrpc/svcsock.c @@ -887,6 +887,7 @@ failed: static int svc_tcp_recv_record(struct svc_sock *svsk, struct svc_rqst *rqstp) { struct svc_serv *serv = svsk->sk_xprt.xpt_server; + unsigned int want; int len; if (test_and_clear_bit(XPT_CHNGBUF, &svsk->sk_xprt.xpt_flags)) @@ -909,9 +910,9 @@ static int svc_tcp_recv_record(struct svc_sock *svsk, struct svc_rqst *rqstp) clear_bit(XPT_DATA, &svsk->sk_xprt.xpt_flags); if (svsk->sk_tcplen < sizeof(rpc_fraghdr)) { - int want = sizeof(rpc_fraghdr) - svsk->sk_tcplen; struct kvec iov; + want = sizeof(rpc_fraghdr) - svsk->sk_tcplen; iov.iov_base = ((char *) &svsk->sk_reclen) + svsk->sk_tcplen; iov.iov_len = want; if ((len = svc_recvfrom(rqstp, &iov, 1, want)) < 0) @@ -1034,8 +1035,9 @@ static int svc_tcp_recvfrom(struct svc_rqst *rqstp) struct svc_serv *serv = svsk->sk_xprt.xpt_server; int len; struct kvec *vec; - int pnum, vlen; struct rpc_rqst *req = NULL; + unsigned int vlen; + int pnum; dprintk("svc: tcp_recv %p data %d conn %d close %d\n", svsk, test_bit(XPT_DATA, &svsk->sk_xprt.xpt_flags), @@ -1066,7 +1068,7 @@ static int svc_tcp_recvfrom(struct svc_rqst *rqstp) } pnum = 1; - while (vlen < len) { + while (vlen < svsk->sk_reclen - 8) { vec[pnum].iov_base = (req) ? page_address(req->rq_private_buf.pages[pnum - 1]) : page_address(rqstp->rq_pages[pnum]); @@ -1077,29 +1079,23 @@ static int svc_tcp_recvfrom(struct svc_rqst *rqstp) rqstp->rq_respages = &rqstp->rq_pages[pnum]; /* Now receive data */ - len = svc_recvfrom(rqstp, vec, pnum, len); + len = svc_recvfrom(rqstp, vec, pnum, svsk->sk_reclen - 8); if (len < 0) goto err_again; - /* - * Account for the 8 bytes we read earlier - */ - len += 8; - if (req) { - xprt_complete_rqst(req->rq_task, len); - len = 0; + xprt_complete_rqst(req->rq_task, svsk->sk_reclen); + rqstp->rq_arg.len = 0; goto out; } - dprintk("svc: TCP complete record (%d bytes)\n", len); - rqstp->rq_arg.len = len; + dprintk("svc: TCP complete record (%d bytes)\n", svsk->sk_reclen); + rqstp->rq_arg.len = svsk->sk_reclen; rqstp->rq_arg.page_base = 0; - if (len <= rqstp->rq_arg.head[0].iov_len) { - rqstp->rq_arg.head[0].iov_len = len; + if (rqstp->rq_arg.len <= rqstp->rq_arg.head[0].iov_len) { + rqstp->rq_arg.head[0].iov_len = rqstp->rq_arg.len; rqstp->rq_arg.page_len = 0; - } else { - rqstp->rq_arg.page_len = len - rqstp->rq_arg.head[0].iov_len; - } + } else + rqstp->rq_arg.page_len = rqstp->rq_arg.len - rqstp->rq_arg.head[0].iov_len; rqstp->rq_xprt_ctxt = NULL; rqstp->rq_prot = IPPROTO_TCP; @@ -1117,7 +1113,7 @@ out: if (serv->sv_stats) serv->sv_stats->nettcpcnt++; - return len; + return rqstp->rq_arg.len; err_again: if (len == -EAGAIN) { -- 1.7.1