diff options
-rw-r--r-- | include/linux/sunrpc/rpc_rdma.h | 37 | ||||
-rw-r--r-- | net/sunrpc/xprtrdma/rpc_rdma.c | 14 | ||||
-rw-r--r-- | net/sunrpc/xprtrdma/svc_rdma_sendto.c | 4 |
3 files changed, 41 insertions, 14 deletions
diff --git a/include/linux/sunrpc/rpc_rdma.h b/include/linux/sunrpc/rpc_rdma.h index db50380f64f4..4af31bbc8802 100644 --- a/include/linux/sunrpc/rpc_rdma.h +++ b/include/linux/sunrpc/rpc_rdma.h @@ -125,6 +125,43 @@ rpcrdma_decode_buffer_size(u8 val) } /** + * xdr_encode_rdma_segment - Encode contents of an RDMA segment + * @p: Pointer into a send buffer + * @handle: The RDMA handle to encode + * @length: The RDMA length to encode + * @offset: The RDMA offset to encode + * + * Return value: + * Pointer to the XDR position that follows the encoded RDMA segment + */ +static inline __be32 *xdr_encode_rdma_segment(__be32 *p, u32 handle, + u32 length, u64 offset) +{ + *p++ = cpu_to_be32(handle); + *p++ = cpu_to_be32(length); + return xdr_encode_hyper(p, offset); +} + +/** + * xdr_encode_read_segment - Encode contents of a Read segment + * @p: Pointer into a send buffer + * @position: The position to encode + * @handle: The RDMA handle to encode + * @length: The RDMA length to encode + * @offset: The RDMA offset to encode + * + * Return value: + * Pointer to the XDR position that follows the encoded Read segment + */ +static inline __be32 *xdr_encode_read_segment(__be32 *p, u32 position, + u32 handle, u32 length, + u64 offset) +{ + *p++ = cpu_to_be32(position); + return xdr_encode_rdma_segment(p, handle, length, offset); +} + +/** * xdr_decode_rdma_segment - Decode contents of an RDMA segment * @p: Pointer to the undecoded RDMA segment * @handle: Upon return, the RDMA handle diff --git a/net/sunrpc/xprtrdma/rpc_rdma.c b/net/sunrpc/xprtrdma/rpc_rdma.c index 5461f01eeca6..73ed51893175 100644 --- a/net/sunrpc/xprtrdma/rpc_rdma.c +++ b/net/sunrpc/xprtrdma/rpc_rdma.c @@ -275,14 +275,6 @@ out: return n; } -static void -xdr_encode_rdma_segment(__be32 *iptr, struct rpcrdma_mr *mr) -{ - *iptr++ = cpu_to_be32(mr->mr_handle); - *iptr++ = cpu_to_be32(mr->mr_length); - xdr_encode_hyper(iptr, mr->mr_offset); -} - static int encode_rdma_segment(struct xdr_stream *xdr, struct rpcrdma_mr *mr) { @@ -292,7 +284,7 @@ encode_rdma_segment(struct xdr_stream *xdr, struct rpcrdma_mr *mr) if (unlikely(!p)) return -EMSGSIZE; - xdr_encode_rdma_segment(p, mr); + xdr_encode_rdma_segment(p, mr->mr_handle, mr->mr_length, mr->mr_offset); return 0; } @@ -307,8 +299,8 @@ encode_read_segment(struct xdr_stream *xdr, struct rpcrdma_mr *mr, return -EMSGSIZE; *p++ = xdr_one; /* Item present */ - *p++ = cpu_to_be32(position); - xdr_encode_rdma_segment(p, mr); + xdr_encode_read_segment(p, position, mr->mr_handle, mr->mr_length, + mr->mr_offset); return 0; } diff --git a/net/sunrpc/xprtrdma/svc_rdma_sendto.c b/net/sunrpc/xprtrdma/svc_rdma_sendto.c index a78f1d22e9bb..38d8f0ee35ec 100644 --- a/net/sunrpc/xprtrdma/svc_rdma_sendto.c +++ b/net/sunrpc/xprtrdma/svc_rdma_sendto.c @@ -376,7 +376,6 @@ static ssize_t svc_rdma_encode_write_segment(__be32 *src, xdr_decode_rdma_segment(src, &handle, &length, &offset); - *p++ = cpu_to_be32(handle); if (*remaining < length) { /* segment only partly filled */ length = *remaining; @@ -385,8 +384,7 @@ static ssize_t svc_rdma_encode_write_segment(__be32 *src, /* entire segment was consumed */ *remaining -= length; } - *p++ = cpu_to_be32(length); - xdr_encode_hyper(p, offset); + xdr_encode_rdma_segment(p, handle, length, offset); trace_svcrdma_encode_wseg(handle, length, offset); return len; |