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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 83957C0032E for ; Wed, 25 Oct 2023 19:56:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229573AbjJYT4H (ORCPT ); Wed, 25 Oct 2023 15:56:07 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56990 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229548AbjJYT4H (ORCPT ); Wed, 25 Oct 2023 15:56:07 -0400 Received: from outgoing.mit.edu (outgoing-auth-1.mit.edu [18.9.28.11]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D841418A for ; Wed, 25 Oct 2023 12:56:03 -0700 (PDT) Received: from cwcc.thunk.org (pool-173-48-111-143.bstnma.fios.verizon.net [173.48.111.143]) (authenticated bits=0) (User authenticated as tytso@ATHENA.MIT.EDU) by outgoing.mit.edu (8.14.7/8.12.4) with ESMTP id 39PJtesp008031 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 25 Oct 2023 15:55:41 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mit.edu; s=outgoing; t=1698263743; bh=egWKI6Iz0QgLqS+y6Zn0Qw6hj+csHebk5he/tWaHlZY=; h=Date:From:Subject:Message-ID:MIME-Version:Content-Type; b=T0JQ2xzbsDgpLjFepBG8GSkJWwi7gpQ0KTulZWVXkqq2URX4iOSfjCl2PRROaSo/N vGddlVrqKXhqaxMat6EIb74sZc6l0EExVttcMjgATngbb6/b4ZwrM8L5v+I0beLO6P ZwwZFw2W2b94ZhESEN2XttKmNmLCwfMgJJMlZvxpGJB7s0OYV/KVEMRkl3gMLWJZE6 aFNukrswNMBxijO5JafhpFVncZTgn046BTw/6Fitt44oI3VTwSMxgzehTjufokRw0z aTtn2cLB0LIP/F5bwRq5lv+wE2mj0Srsird2Z7SvUeHOywwOTlcUhbmFaqnZjIaL3z SLY1GbWxIfdLg== Received: by cwcc.thunk.org (Postfix, from userid 15806) id AB7A015C0247; Wed, 25 Oct 2023 15:55:39 -0400 (EDT) Date: Wed, 25 Oct 2023 15:55:39 -0400 From: "Theodore Ts'o" To: Jens Axboe Cc: Andres Freund , Dave Chinner , Thorsten Leemhuis , Shreeya Patel , linux-ext4@vger.kernel.org, Ricardo =?iso-8859-1?Q?Ca=F1uelo?= , gustavo.padovan@collabora.com, zsm@google.com, garrick@google.com, Linux regressions mailing list , io-uring@vger.kernel.org Subject: Re: task hung in ext4_fallocate #2 Message-ID: <20231025195539.GA2897448@mit.edu> References: <20231017033725.r6pfo5a4ayqisct7@awork3.anarazel.de> <20231018004335.GA593012@mit.edu> <20231018025009.ulkykpefwdgpfvzf@awork3.anarazel.de> <74921cba-6237-4303-bb4c-baa22aaf497b@kernel.dk> <4ace2109-3d05-4ca0-b582-f7b8db88a0ca@kernel.dk> <20231025153135.kfnldzle3rglmfvp@awork3.anarazel.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org On Wed, Oct 25, 2023 at 09:36:01AM -0600, Jens Axboe wrote: > > FWIW, I wrote a small test case which does seem to trigger it very fast, > as expected: Great! I was about to ask if we had an easy reproducer. Any chance you can package this up as an test in xfstests? Or would you like some help with that? Thanks, - Ted