From patchwork Wed Apr 6 21:21:12 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matthew Wilcox X-Patchwork-Id: 8765771 Return-Path: X-Original-To: patchwork-linux-fsdevel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 485EE9FC89 for ; Wed, 6 Apr 2016 21:24:16 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 7E5DB201E4 for ; Wed, 6 Apr 2016 21:24:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 94F0720212 for ; Wed, 6 Apr 2016 21:24:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754067AbcDFVXs (ORCPT ); Wed, 6 Apr 2016 17:23:48 -0400 Received: from mga11.intel.com ([192.55.52.93]:57416 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754056AbcDFVV5 (ORCPT ); Wed, 6 Apr 2016 17:21:57 -0400 Received: from orsmga001.jf.intel.com ([10.7.209.18]) by fmsmga102.fm.intel.com with ESMTP; 06 Apr 2016 14:21:50 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.24,448,1455004800"; d="scan'208";a="926986184" Received: from rtnitta-mobl.amr.corp.intel.com (HELO thog.int.wil.cx) ([10.252.140.190]) by orsmga001.jf.intel.com with SMTP; 06 Apr 2016 14:21:49 -0700 Received: by thog.int.wil.cx (Postfix, from userid 1000) id 406B85F978; Wed, 6 Apr 2016 17:21:48 -0400 (EDT) From: Matthew Wilcox To: linux-kernel@vger.kernel.org, Andrew Morton Cc: Matthew Wilcox , Ross Zwisler , linux-mm@kvack.org, linux-fsdevel@vger.kernel.org, Konstantin Khlebnikov , Kirill Shutemov , Jan Kara , Neil Brown Subject: [PATCH 03/30] radix tree test suite: Add tests for radix_tree_locate_item() Date: Wed, 6 Apr 2016 17:21:12 -0400 Message-Id: <1459977699-2349-4-git-send-email-willy@linux.intel.com> X-Mailer: git-send-email 2.8.0.rc3 In-Reply-To: <1459977699-2349-1-git-send-email-willy@linux.intel.com> References: <1459977699-2349-1-git-send-email-willy@linux.intel.com> Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org X-Spam-Status: No, score=-7.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Fairly simple tests; add various items to the tree, then make sure we can find them again. Also check that a pointer that we know isn't in the tree is not found. Signed-off-by: Matthew Wilcox Reviewed-by: Ross Zwisler --- tools/testing/radix-tree/linux/kernel.h | 3 +++ tools/testing/radix-tree/main.c | 41 +++++++++++++++++++++++++++++++++ 2 files changed, 44 insertions(+) diff --git a/tools/testing/radix-tree/linux/kernel.h b/tools/testing/radix-tree/linux/kernel.h index 6d0cdf618084..76a88f35fdc4 100644 --- a/tools/testing/radix-tree/linux/kernel.h +++ b/tools/testing/radix-tree/linux/kernel.h @@ -9,6 +9,9 @@ #include "../../include/linux/compiler.h" +#define CONFIG_SHMEM +#define CONFIG_SWAP + #ifndef NULL #define NULL 0 #endif diff --git a/tools/testing/radix-tree/main.c b/tools/testing/radix-tree/main.c index 0e83cad27a9f..71c5272443b1 100644 --- a/tools/testing/radix-tree/main.c +++ b/tools/testing/radix-tree/main.c @@ -232,10 +232,51 @@ void copy_tag_check(void) item_kill_tree(&tree); } +void __locate_check(struct radix_tree_root *tree, unsigned long index) +{ + struct item *item; + unsigned long index2; + + item_insert(tree, index); + item = item_lookup(tree, index); + index2 = radix_tree_locate_item(tree, item); + if (index != index2) { + printf("index %ld inserted; found %ld\n", + index, index2); + abort(); + } +} + +static void locate_check(void) +{ + RADIX_TREE(tree, GFP_KERNEL); + unsigned long offset, index; + + for (offset = 0; offset < (1 << 3); offset++) { + for (index = 0; index < (1UL << 5); index++) { + __locate_check(&tree, index + offset); + } + if (radix_tree_locate_item(&tree, &tree) != -1) + abort(); + + item_kill_tree(&tree); + } + + if (radix_tree_locate_item(&tree, &tree) != -1) + abort(); + __locate_check(&tree, -1); + if (radix_tree_locate_item(&tree, &tree) != -1) + abort(); + item_kill_tree(&tree); +} + static void single_thread_tests(void) { int i; + printf("starting single_thread_tests: %d allocated\n", nr_allocated); + locate_check(); + printf("after locate_check: %d allocated\n", nr_allocated); tag_check(); printf("after tag_check: %d allocated\n", nr_allocated); gang_check();