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xprtrdma: Fix "bytes registered" accounting 

The contents of seg->mr_len changed when ->ro_map stopped returning
the full chunk length in the first segment. Count the full length of
each Write chunk, not the length of the first segment (which now can
only be as large as a page).

Fixes: 9d6b040978 ("xprtrdma: Place registered MWs on a ... ")
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
This commit is contained in:
Chuck Lever 2018-01-03 15:38:09 -05:00 committed by Anna Schumaker
parent ae72467625
commit aae2349c49
1 changed files with 2 additions and 2 deletions
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4
net/sunrpc/xprtrdma/rpc_rdma.c
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@ -431,7 +431,7 @@ rpcrdma_encode_write_list(struct rpcrdma_xprt *r_xprt, struct rpcrdma_req *req,
trace_xprtrdma_write_chunk(rqst->rq_task, mr, nsegs);
r_xprt->rx_stats.write_chunk_count++;
r_xprt->rx_stats.total_rdma_request += seg->mr_len;
r_xprt->rx_stats.total_rdma_request += mr->mr_length;
nchunks++;
nsegs -= mr->mr_nents;
} while (nsegs);
@ -489,7 +489,7 @@ rpcrdma_encode_reply_chunk(struct rpcrdma_xprt *r_xprt, struct rpcrdma_req *req,
trace_xprtrdma_reply_chunk(rqst->rq_task, mr, nsegs);
r_xprt->rx_stats.reply_chunk_count++;
r_xprt->rx_stats.total_rdma_request += seg->mr_len;
r_xprt->rx_stats.total_rdma_request += mr->mr_length;
nchunks++;
nsegs -= mr->mr_nents;
} while (nsegs);