Clean up: Ensure the code in rw.c does not modify the argument, and
enable callers to also use "const struct xdr_buf *".
Signed-off-by: Chuck Lever <chuck.lever@xxxxxxxxxx>
---
net/sunrpc/xprtrdma/svc_rdma_rw.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/net/sunrpc/xprtrdma/svc_rdma_rw.c b/net/sunrpc/xprtrdma/svc_rdma_rw.c
index 80a0c0e87590..d8b2e22c56c1 100644
--- a/net/sunrpc/xprtrdma/svc_rdma_rw.c
+++ b/net/sunrpc/xprtrdma/svc_rdma_rw.c
@@ -197,7 +197,7 @@ struct svc_rdma_write_info {
__be32 *wi_segs;
/* SGL constructor arguments */
- struct xdr_buf *wi_xdr;
+ const struct xdr_buf *wi_xdr;
unsigned char *wi_base;
unsigned int wi_next_off;
@@ -405,7 +405,7 @@ static void svc_rdma_pagelist_to_sg(struct svc_rdma_write_info *info,
struct svc_rdma_rw_ctxt *ctxt)
{
unsigned int sge_no, sge_bytes, page_off, page_no;
- struct xdr_buf *xdr = info->wi_xdr;
+ const struct xdr_buf *xdr = info->wi_xdr;
struct scatterlist *sg;
struct page **page;
