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svcrdma: Const-ify the xdr_buf arguments 

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@oracle.com>
This commit is contained in:
Chuck Lever 2020-03-13 10:42:10 -04:00
parent 5a7e702670
commit 51bad8cc13
1 changed files with 2 additions and 2 deletions
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4
net/sunrpc/xprtrdma/svc_rdma_rw.c
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@ -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;