xprtrdma: Count RDMA_NOMSG type calls
RDMA_NOMSG type calls are less efficient than RDMA_MSG. Count NOMSG calls so administrators can tell if they happen to be used more than expected. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Tested-by: Devesh Sharma <devesh.sharma@avagotech.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
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@ -489,6 +489,7 @@ rpcrdma_marshal_req(struct rpc_rqst *rqst)
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} else if (rqst->rq_snd_buf.flags & XDRBUF_WRITE) {
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} else if (rqst->rq_snd_buf.flags & XDRBUF_WRITE) {
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rtype = rpcrdma_readch;
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rtype = rpcrdma_readch;
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} else {
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} else {
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r_xprt->rx_stats.nomsg_call_count++;
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headerp->rm_type = htonl(RDMA_NOMSG);
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headerp->rm_type = htonl(RDMA_NOMSG);
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rtype = rpcrdma_areadch;
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rtype = rpcrdma_areadch;
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rpclen = 0;
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rpclen = 0;
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@ -659,7 +659,7 @@ static void xprt_rdma_print_stats(struct rpc_xprt *xprt, struct seq_file *seq)
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xprt->stat.bad_xids,
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xprt->stat.bad_xids,
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xprt->stat.req_u,
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xprt->stat.req_u,
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xprt->stat.bklog_u);
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xprt->stat.bklog_u);
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seq_printf(seq, "%lu %lu %lu %llu %llu %llu %llu %lu %lu %lu\n",
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seq_printf(seq, "%lu %lu %lu %llu %llu %llu %llu %lu %lu %lu %lu\n",
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r_xprt->rx_stats.read_chunk_count,
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r_xprt->rx_stats.read_chunk_count,
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r_xprt->rx_stats.write_chunk_count,
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r_xprt->rx_stats.write_chunk_count,
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r_xprt->rx_stats.reply_chunk_count,
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r_xprt->rx_stats.reply_chunk_count,
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@ -669,7 +669,8 @@ static void xprt_rdma_print_stats(struct rpc_xprt *xprt, struct seq_file *seq)
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r_xprt->rx_stats.fixup_copy_count,
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r_xprt->rx_stats.fixup_copy_count,
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r_xprt->rx_stats.hardway_register_count,
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r_xprt->rx_stats.hardway_register_count,
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r_xprt->rx_stats.failed_marshal_count,
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r_xprt->rx_stats.failed_marshal_count,
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r_xprt->rx_stats.bad_reply_count);
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r_xprt->rx_stats.bad_reply_count,
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r_xprt->rx_stats.nomsg_call_count);
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}
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}
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static int
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static int
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@ -340,6 +340,7 @@ struct rpcrdma_stats {
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unsigned long hardway_register_count;
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unsigned long hardway_register_count;
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unsigned long failed_marshal_count;
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unsigned long failed_marshal_count;
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unsigned long bad_reply_count;
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unsigned long bad_reply_count;
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unsigned long nomsg_call_count;
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};
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};
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/*
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/*
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