xprtrdma: Account for RPC/RDMA header size when deciding to inline
When the size of the RPC message is near the inline threshold (1KB), the client would allow messages to be sent that were a few bytes too large. When marshaling RPC/RDMA requests, ensure the combined size of RPC/RDMA header and RPC header do not exceed the inline threshold. Endpoints typically reject RPC/RDMA messages that exceed the size of their receive buffers. The two server implementations I test with (Linux and Solaris) use receive buffers that are larger than the client’s inline threshold. Thus so far this has been benign, observed only by code inspection. Signed-off-by:Chuck Lever <chuck.lever@oracle.com> Reviewed-by:
Devesh Sharma <devesh.sharma@avagotech.com> Tested-by:
Devesh Sharma <devesh.sharma@avagotech.com> Signed-off-by:
Anna Schumaker <Anna.Schumaker@Netapp.com>
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b3221d6a
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