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authorChuck Lever <chuck.lever@oracle.com>2015-01-21 11:02:29 -0500
committerAnna Schumaker <Anna.Schumaker@Netapp.com>2015-01-30 10:47:48 -0500
commitf2846481b4bf758cf7c3fe8f24b35950306f1db2 (patch)
treee0d5e559cbcef05e8893a7966693bb89f89c251f /include/linux/sunrpc
parent052151a9798ef7a79372fdc688018dc405a6063c (diff)
downloadblackbird-op-linux-f2846481b4bf758cf7c3fe8f24b35950306f1db2.tar.gz
blackbird-op-linux-f2846481b4bf758cf7c3fe8f24b35950306f1db2.zip
xprtrdma: Clean up hdrlen
Clean up: Replace naked integers with a documenting macro. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Reviewed-by: Steve Wise <swise@opengridcomputing.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Diffstat (limited to 'include/linux/sunrpc')
-rw-r--r--include/linux/sunrpc/rpc_rdma.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/include/linux/sunrpc/rpc_rdma.h b/include/linux/sunrpc/rpc_rdma.h
index 1578ed241c19..f33c5a4d6fe4 100644
--- a/include/linux/sunrpc/rpc_rdma.h
+++ b/include/linux/sunrpc/rpc_rdma.h
@@ -98,7 +98,10 @@ struct rpcrdma_msg {
} rm_body;
};
-#define RPCRDMA_HDRLEN_MIN 28
+/*
+ * Smallest RPC/RDMA header: rm_xid through rm_type, then rm_nochunks
+ */
+#define RPCRDMA_HDRLEN_MIN (sizeof(__be32) * 7)
enum rpcrdma_errcode {
ERR_VERS = 1,
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