From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4237EEE49AA for ; Mon, 21 Aug 2023 16:05:43 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 83C498E0002; Mon, 21 Aug 2023 12:05:42 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 7C5C86B007B; Mon, 21 Aug 2023 12:05:42 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 665BE8E0002; Mon, 21 Aug 2023 12:05:42 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0010.hostedemail.com [216.40.44.10]) by kanga.kvack.org (Postfix) with ESMTP id 523646B0078 for ; Mon, 21 Aug 2023 12:05:42 -0400 (EDT) Received: from smtpin02.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay08.hostedemail.com (Postfix) with ESMTP id 2BCEF140203 for ; Mon, 21 Aug 2023 16:05:42 +0000 (UTC) X-FDA: 81148587324.02.2003A22 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by imf20.hostedemail.com (Postfix) with ESMTP id 6B7EE1C0021 for ; Mon, 21 Aug 2023 16:05:40 +0000 (UTC) Authentication-Results: imf20.hostedemail.com; dkim=none; dmarc=pass (policy=none) header.from=arm.com; spf=pass (imf20.hostedemail.com: domain of andre.przywara@arm.com designates 217.140.110.172 as permitted sender) smtp.mailfrom=andre.przywara@arm.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1692633940; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-transfer-encoding:content-transfer-encoding: in-reply-to:references; bh=SQcT3CJHu3OCgNoz93Uf6FQoev3yFLrmQLDQcG4Mf8w=; b=aT+3pF9SblZPyoDTjg+8BwkqKc21hfeOlQKgfQfnsR8JqorqMAkbQR6zfeHgwUuM2poNwK URRjlqVaOXgxQ4jmCyQWnrclhtOphXBOVekNciEgLQXUGT2JnfhnW7c89xqXMgI7k7ovAB Dm1OPi6JSABcG8jeCMph3EnH/SPHdQw= ARC-Authentication-Results: i=1; imf20.hostedemail.com; dkim=none; dmarc=pass (policy=none) header.from=arm.com; spf=pass (imf20.hostedemail.com: domain of andre.przywara@arm.com designates 217.140.110.172 as permitted sender) smtp.mailfrom=andre.przywara@arm.com ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1692633940; a=rsa-sha256; cv=none; b=aqYS1NOxrlPDIpiXR6fq3Q/ySkVooYz6KLpa7RiXwfq0pELbzsXxyP3IDp19g6uBV4zrdg zfB+GzE2ZpjlSNPhk5uNLmEPfbUVM0Eb01daw3WNg26uuOpmIr4SyESjRlypKfLwFq+XNY XO/ljArzzRFqDqAPxo0AVz4tz6RtI9M= Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 450512F4; Mon, 21 Aug 2023 09:06:20 -0700 (PDT) Received: from donnerap.arm.com (donnerap.manchester.arm.com [10.32.100.58]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 5FEB63F64C; Mon, 21 Aug 2023 09:05:38 -0700 (PDT) From: Andre Przywara To: Shuah Khan , Nhat Pham , Johannes Weiner Cc: linux-kselftest@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 0/2] selftests: cachestat: fix run on older kernels Date: Mon, 21 Aug 2023 17:05:32 +0100 Message-Id: <20230821160534.3414911-1-andre.przywara@arm.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 6B7EE1C0021 X-Rspam-User: X-Rspamd-Server: rspam05 X-Stat-Signature: w6itxdfxo64xgax3xuwfhim6twatkp1r X-HE-Tag: 1692633940-830006 X-HE-Meta: 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 4sHKKok9 lW6vyvDO2c3yTon6yCHDaWZ49U3lKNZAnyfehWx/pskt3lLgvSxKTj1DQf5fQw00HceUMd5OCGr4b6qp7pvPMES59tI7gCokGWQSE X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: I ran all kernel selftests on some test machine, and stumbled upon cachestat failing (among others). These patches fix the run on older kernels and when the current directory is on a tmpfs instance. I dropped the first two fix patches from v1, since Shuah applied those already. [PATCH v2 1/2] is almost the same as [PATCH 3/3] from v1, but using the proper skip function from kselftest.h. I am not sure if Shuah applied that already, if yes, it's not a big problem, the output is the same. Patch 2/2 implements the tmpfs detection that Nhat suggested the last time (many thanks for pointing me to statfs and the magics!). Cheers, Andre Andre Przywara (2): selftests: cachestat: test for cachestat availability selftests: cachestat: catch failing fsync test on tmpfs .../selftests/cachestat/test_cachestat.c | 80 +++++++++++++++---- 1 file changed, 65 insertions(+), 15 deletions(-) -- 2.25.1