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 X-Spam-Level: X-Spam-Status: No, score=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A5D25CA9EBB for ; Thu, 24 Oct 2019 08:37:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 84F5121872 for ; Thu, 24 Oct 2019 08:37:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728889AbfJXIhS (ORCPT ); Thu, 24 Oct 2019 04:37:18 -0400 Received: from mx2.suse.de ([195.135.220.15]:41676 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1728514AbfJXIhS (ORCPT ); Thu, 24 Oct 2019 04:37:18 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 83576B36C; Thu, 24 Oct 2019 08:37:16 +0000 (UTC) Date: Thu, 24 Oct 2019 10:37:15 +0200 From: Petr Vorel To: Jan Kara , "Theodore Y. Ts'o" , Yong Sun Cc: Andreas Dilger , linux-ext4@vger.kernel.org, linux-fsdevel@vger.kernel.org, Cyril Hrubis Subject: Re: "New" ext4 features tests in LTP Message-ID: <20191024083713.GB13520@dell5510> Reply-To: Petr Vorel References: <20191023155846.GA28604@dell5510> <20191023225824.GB7630@mit.edu> <20191024074619.GI31271@quack2.suse.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20191024074619.GI31271@quack2.suse.cz> User-Agent: Mutt/1.11.3 (2019-02-01) Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org Hi Ted, Jan, > Yeah, I believe this may be useful to implement in fstests in some fs > agnostic way. Thank you both for reviewing LTP tests. > > > ext4-nsec-timestamps [6] > > > -------------------- > > > Directory containing the shell script which is used to test nanosec timestamps > > > of ext4. > > This basically tests that the file system supports nanosecond > > timestamps, with a 0.3% false positive failure rate. Again, why? > > > ext4-subdir-limit [9] > > > ----------------- > > > Directory containing the shell script which is used to test subdirectory limit > > > of ext4. According to the kernel documentation, we create more than 32000 > > > subdirectorys on the ext4 filesystem. > > This is a valid test, although it's not what I would call a "high > > value" test. (As in, it's testing maybe a total of four simple lines > > of code that are highly unlikely to fail.) > These two may be IMHO worth carrying over to fstests in some form. The other > tests seem either already present in various fstests configs we run or > pointless as Ted wrote. As Sero already volunteered to contribute them to fstests (thanks Sero!), I'll send a patch to delete them from LTP. > Honza Kind regards, Petr