svcrdma: Remove the req_map cache

[linux.git] / net / sunrpc / xprtrdma / svc_rdma_sendto.c

diff --git a/net/sunrpc/xprtrdma/svc_rdma_sendto.c b/net/sunrpc/xprtrdma/svc_rdma_sendto.c
index e514f6864a9393df32915da29f28cb5dd52feb49..1736337f3a557a68399f5d1b103822cc08d19562 100644 (file)
--- a/net/sunrpc/xprtrdma/svc_rdma_sendto.c
+++ b/net/sunrpc/xprtrdma/svc_rdma_sendto.c
@@ -240,74 +240,6 @@ static void svc_rdma_xdr_encode_reply_chunk(__be32 *rdma_resp, __be32 *rp_ch,
        xdr_encode_write_chunk(p, rp_ch, consumed);
 }
 
-int svc_rdma_map_xdr(struct svcxprt_rdma *xprt,
-                    struct xdr_buf *xdr,
-                    struct svc_rdma_req_map *vec,
-                    bool write_chunk_present)
-{
-       int sge_no;
-       u32 sge_bytes;
-       u32 page_bytes;
-       u32 page_off;
-       int page_no;
-
-       if (xdr->len !=
-           (xdr->head[0].iov_len + xdr->page_len + xdr->tail[0].iov_len)) {
-               pr_err("svcrdma: %s: XDR buffer length error\n", __func__);
-               return -EIO;
-       }
-
-       /* Skip the first sge, this is for the RPCRDMA header */
-       sge_no = 1;
-
-       /* Head SGE */
-       vec->sge[sge_no].iov_base = xdr->head[0].iov_base;
-       vec->sge[sge_no].iov_len = xdr->head[0].iov_len;
-       sge_no++;
-
-       /* pages SGE */
-       page_no = 0;
-       page_bytes = xdr->page_len;
-       page_off = xdr->page_base;
-       while (page_bytes) {
-               vec->sge[sge_no].iov_base =
-                       page_address(xdr->pages[page_no]) + page_off;
-               sge_bytes = min_t(u32, page_bytes, (PAGE_SIZE - page_off));
-               page_bytes -= sge_bytes;
-               vec->sge[sge_no].iov_len = sge_bytes;
-
-               sge_no++;
-               page_no++;
-               page_off = 0; /* reset for next time through loop */
-       }
-
-       /* Tail SGE */
-       if (xdr->tail[0].iov_len) {
-               unsigned char *base = xdr->tail[0].iov_base;
-               size_t len = xdr->tail[0].iov_len;
-               u32 xdr_pad = xdr_padsize(xdr->page_len);
-
-               if (write_chunk_present && xdr_pad) {
-                       base += xdr_pad;
-                       len -= xdr_pad;
-               }
-
-               if (len) {
-                       vec->sge[sge_no].iov_base = base;
-                       vec->sge[sge_no].iov_len = len;
-                       sge_no++;
-               }
-       }
-
-       dprintk("svcrdma: %s: sge_no %d page_no %d "
-               "page_base %u page_len %u head_len %zu tail_len %zu\n",
-               __func__, sge_no, page_no, xdr->page_base, xdr->page_len,
-               xdr->head[0].iov_len, xdr->tail[0].iov_len);
-
-       vec->count = sge_no;
-       return 0;
-}
-
 /* Parse the RPC Call's transport header.
  */
 static void svc_rdma_get_write_arrays(__be32 *rdma_argp,