[PATCH 1/2] SUNRPC: Set rq_page_end differently

[Chuck Lever]

Refactor:

I'm about to use the loop variable @i for something else.

As far as the "i++" is concerned, that is a post-increment. The
value of @i is not used subsequently, so the increment operator
is unnecessary and can be removed.

Also note that nfsd_read_actor() was renamed nfsd_splice_actor()
by commit cf8208d0eabd ("sendfile: convert nfsd to
splice_direct_to_actor()").

Signed-off-by: Chuck Lever <chuck.le...@oracle.com>
---
 net/sunrpc/svc_xprt.c |    7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/net/sunrpc/svc_xprt.c b/net/sunrpc/svc_xprt.c
index 3cdd71a8df1e..609bda97d4ae 100644
--- a/net/sunrpc/svc_xprt.c
+++ b/net/sunrpc/svc_xprt.c
@@ -642,7 +642,7 @@ static void svc_check_conn_limits(struct svc_serv *serv)
 static int svc_alloc_arg(struct svc_rqst *rqstp)
 {
        struct svc_serv *serv = rqstp->rq_server;
-       struct xdr_buf *arg;
+       struct xdr_buf *arg = &rqstp->rq_arg;
        int pages;
        int i;
 
@@ -667,11 +667,10 @@ static int svc_alloc_arg(struct svc_rqst *rqstp)
                        }
                        rqstp->rq_pages[i] = p;
                }
-       rqstp->rq_page_end = &rqstp->rq_pages[i];
-       rqstp->rq_pages[i++] = NULL; /* this might be seen in nfs_read_actor */
+       rqstp->rq_page_end = &rqstp->rq_pages[pages];
+       rqstp->rq_pages[pages] = NULL; /* this might be seen in 
nfsd_splice_actor() */
 
        /* Make arg->head point to first page and arg->pages point to rest */
-       arg = &rqstp->rq_arg;
        arg->head[0].iov_base = page_address(rqstp->rq_pages[0]);
        arg->head[0].iov_len = PAGE_SIZE;
        arg->pages = rqstp->rq_pages + 1;