disable kernel build waring

hc

2024-05-10 093a6c67005148ae32a5c9e4553491b9f5c2457b

 kernel/include/linux/sunrpc/rpc_rdma.h
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@@ -58,7 +58,8 @@
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 enum {
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 	rpcrdma_fixed_maxsz	= 4,
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 	rpcrdma_segment_maxsz	= 4,
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-	rpcrdma_readchunk_maxsz	= 2 + rpcrdma_segment_maxsz,
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+	rpcrdma_readseg_maxsz	= 1 + rpcrdma_segment_maxsz,
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+	rpcrdma_readchunk_maxsz	= 1 + rpcrdma_readseg_maxsz,
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 };
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 /*
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@@ -123,4 +124,78 @@
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 	return ((unsigned int)val + 1) << 10;
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 }
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+/**
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+ * xdr_encode_rdma_segment - Encode contents of an RDMA segment
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+ * @p: Pointer into a send buffer
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+ * @handle: The RDMA handle to encode
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+ * @length: The RDMA length to encode
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+ * @offset: The RDMA offset to encode
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+ *
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+ * Return value:
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+ *   Pointer to the XDR position that follows the encoded RDMA segment
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+ */
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+static inline __be32 *xdr_encode_rdma_segment(__be32 *p, u32 handle,
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+					      u32 length, u64 offset)
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+{
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+	*p++ = cpu_to_be32(handle);
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+	*p++ = cpu_to_be32(length);
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+	return xdr_encode_hyper(p, offset);
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+}
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+
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+/**
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+ * xdr_encode_read_segment - Encode contents of a Read segment
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+ * @p: Pointer into a send buffer
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+ * @position: The position to encode
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+ * @handle: The RDMA handle to encode
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+ * @length: The RDMA length to encode
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+ * @offset: The RDMA offset to encode
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+ *
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+ * Return value:
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+ *   Pointer to the XDR position that follows the encoded Read segment
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+ */
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+static inline __be32 *xdr_encode_read_segment(__be32 *p, u32 position,
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+					      u32 handle, u32 length,
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+					      u64 offset)
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+{
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+	*p++ = cpu_to_be32(position);
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+	return xdr_encode_rdma_segment(p, handle, length, offset);
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+}
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+
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+/**
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+ * xdr_decode_rdma_segment - Decode contents of an RDMA segment
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+ * @p: Pointer to the undecoded RDMA segment
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+ * @handle: Upon return, the RDMA handle
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+ * @length: Upon return, the RDMA length
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+ * @offset: Upon return, the RDMA offset
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+ *
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+ * Return value:
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+ *   Pointer to the XDR item that follows the RDMA segment
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+ */
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+static inline __be32 *xdr_decode_rdma_segment(__be32 *p, u32 *handle,
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+					      u32 *length, u64 *offset)
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+{
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+	*handle = be32_to_cpup(p++);
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+	*length = be32_to_cpup(p++);
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+	return xdr_decode_hyper(p, offset);
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+}
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+
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+/**
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+ * xdr_decode_read_segment - Decode contents of a Read segment
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+ * @p: Pointer to the undecoded Read segment
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+ * @position: Upon return, the segment's position
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+ * @handle: Upon return, the RDMA handle
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+ * @length: Upon return, the RDMA length
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+ * @offset: Upon return, the RDMA offset
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+ *
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+ * Return value:
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+ *   Pointer to the XDR item that follows the Read segment
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+ */
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+static inline __be32 *xdr_decode_read_segment(__be32 *p, u32 *position,
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+					      u32 *handle, u32 *length,
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+					      u64 *offset)
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+{
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+	*position = be32_to_cpup(p++);
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+	return xdr_decode_rdma_segment(p, handle, length, offset);
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+}
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+
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 #endif				/* _LINUX_SUNRPC_RPC_RDMA_H */