NFS: Read cleanups

Remove unused variables, and reformat some code.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: Fred Isaman <iisaman@netapp.com>

fs/nfs/read.c

@@ -341,8 +341,6 @@ static int nfs_pagein_multi(struct nfs_pageio_descriptor *desc,
 	struct nfs_read_data *data;
 	size_t rsize = desc->pg_bsize, nbytes;
 	unsigned int offset;
-	int requests = 0;
-	int ret = 0;
 
 	nfs_list_remove_request(req);
 	nfs_list_add_request(req, &hdr->pages);
@@ -358,12 +356,11 @@ static int nfs_pagein_multi(struct nfs_pageio_descriptor *desc,
 		data->pages.pagevec[0] = page;
 		nfs_read_rpcsetup(data, len, offset);
 		list_add(&data->list, &hdr->rpc_list);
-		requests++;
 		nbytes -= len;
 		offset += len;
-	} while(nbytes != 0);
+	} while (nbytes != 0);
 	desc->pg_rpc_callops = &nfs_read_common_ops;
-	return ret;
+	return 0;
 out_bad:
 	while (!list_empty(&hdr->rpc_list)) {
 		data = list_first_entry(&hdr->rpc_list, struct nfs_read_data, list);
@@ -387,8 +384,7 @@ static int nfs_pagein_one(struct nfs_pageio_descriptor *desc,
 							  desc->pg_count));
 	if (!data) {
 		desc->pg_completion_ops->error_cleanup(head);
-		ret = -ENOMEM;
-		goto out;
+		return -ENOMEM;
 	}
 
 	pages = data->pages.pagevec;
@@ -402,8 +398,7 @@ static int nfs_pagein_one(struct nfs_pageio_descriptor *desc,
 	nfs_read_rpcsetup(data, desc->pg_count, 0);
 	list_add(&data->list, &hdr->rpc_list);
 	desc->pg_rpc_callops = &nfs_read_common_ops;
-out:
-	return ret;
+	return 0;
 }
 
 int nfs_generic_pagein(struct nfs_pageio_descriptor *desc,