NFS: Remove 2 unused variables

Cc: Weston Andros Adamson <dros@primarydata.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>

fs/nfs/direct.c

@@ -756,7 +756,6 @@ static void nfs_direct_write_completion(struct nfs_pgio_header *hdr)
 	spin_unlock(&dreq->lock);
 
 	while (!list_empty(&hdr->pages)) {
-		bool do_destroy = true;
 
 		req = nfs_list_entry(hdr->pages.next);
 		nfs_list_remove_request(req);
@@ -765,7 +764,6 @@ static void nfs_direct_write_completion(struct nfs_pgio_header *hdr)
 		case NFS_IOHDR_NEED_COMMIT:
 			kref_get(&req->wb_kref);
 			nfs_mark_request_commit(req, hdr->lseg, &cinfo);
-			do_destroy = false;
 		}
 		nfs_unlock_and_release_request(req);
 	}

fs/nfs/write.c

@@ -868,7 +868,6 @@ static void nfs_write_completion(struct nfs_pgio_header *hdr)
 {
 	struct nfs_commit_info cinfo;
 	unsigned long bytes = 0;
-	bool do_destroy;
 
 	if (test_bit(NFS_IOHDR_REDO, &hdr->flags))
 		goto out;
@@ -898,7 +897,6 @@ remove_req:
 next:
 		nfs_unlock_request(req);
 		nfs_end_page_writeback(req);
-		do_destroy = !test_bit(NFS_IOHDR_NEED_COMMIT, &hdr->flags);
 		nfs_release_request(req);
 	}
 out: