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 93710C433F5 for ; Wed, 16 Feb 2022 06:51:41 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id DE5B46B0078; Wed, 16 Feb 2022 01:51:40 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id D951B6B007B; Wed, 16 Feb 2022 01:51:40 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id C83C26B007D; Wed, 16 Feb 2022 01:51:40 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0140.hostedemail.com [216.40.44.140]) by kanga.kvack.org (Postfix) with ESMTP id BA23B6B0078 for ; Wed, 16 Feb 2022 01:51:40 -0500 (EST) Received: from smtpin17.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id 6C0AF181AC9C6 for ; Wed, 16 Feb 2022 06:51:40 +0000 (UTC) X-FDA: 79147722360.17.1031F1E Received: from lgeamrelo11.lge.com (lgeamrelo11.lge.com [156.147.23.51]) by imf06.hostedemail.com (Postfix) with ESMTP id 6245B180002 for ; Wed, 16 Feb 2022 06:51:38 +0000 (UTC) Received: from unknown (HELO lgeamrelo01.lge.com) (156.147.1.125) by 156.147.23.51 with ESMTP; 16 Feb 2022 15:51:35 +0900 X-Original-SENDERIP: 156.147.1.125 X-Original-MAILFROM: byungchul.park@lge.com Received: from unknown (HELO localhost.localdomain) (10.177.244.38) by 156.147.1.125 with ESMTP; 16 Feb 2022 15:51:35 +0900 X-Original-SENDERIP: 10.177.244.38 X-Original-MAILFROM: byungchul.park@lge.com From: Byungchul Park To: tytso@mit.edu, adilger.kernel@dilger.ca, linux-ext4@vger.kernel.org Cc: torvalds@linux-foundation.org, mingo@redhat.com, linux-kernel@vger.kernel.org, peterz@infradead.org, will@kernel.org, tglx@linutronix.de, rostedt@goodmis.org, joel@joelfernandes.org, sashal@kernel.org, daniel.vetter@ffwll.ch, chris@chris-wilson.co.uk, duyuyang@gmail.com, johannes.berg@intel.com, tj@kernel.org, willy@infradead.org, david@fromorbit.com, amir73il@gmail.com, bfields@fieldses.org, gregkh@linuxfoundation.org, kernel-team@lge.com, linux-mm@kvack.org, akpm@linux-foundation.org, mhocko@kernel.org, minchan@kernel.org, hannes@cmpxchg.org, vdavydov.dev@gmail.com, sj@kernel.org, jglisse@redhat.com, dennis@kernel.org, cl@linux.com, penberg@kernel.org, rientjes@google.com, vbabka@suse.cz, ngupta@vflare.org, linux-block@vger.kernel.org, axboe@kernel.dk, paolo.valente@linaro.org, josef@toxicpanda.com, linux-fsdevel@vger.kernel.org, viro@zeniv.linux.org.uk, jack@suse.cz, jlayton@kernel.org, dan.j.williams@intel.com, hch@infradead.org, djwong@kernel.org, dri-devel@lists.freedesktop.org, airlied@linux.ie, rodrigosiqueiramelo@gmail.com, melissa.srw@gmail.com, hamohammed.sa@gmail.com Subject: RE: [REPORT] ext4 deadlock possibilities by DEPT Date: Wed, 16 Feb 2022 15:51:30 +0900 Message-Id: <1644994290-955-1-git-send-email-byungchul.park@lge.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1644984711-26423-1-git-send-email-byungchul.park@lge.com> References: <1644984711-26423-1-git-send-email-byungchul.park@lge.com> Authentication-Results: imf06.hostedemail.com; dkim=none; spf=pass (imf06.hostedemail.com: domain of byungchul.park@lge.com designates 156.147.23.51 as permitted sender) smtp.mailfrom=byungchul.park@lge.com; dmarc=none X-Rspamd-Server: rspam07 X-Rspam-User: X-Rspamd-Queue-Id: 6245B180002 X-Stat-Signature: 66mgbidff18ay5c9oocdr8jrgaiagxr4 X-HE-Tag: 1644994298-345500 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: Thanks to Matthew, I found the reports are spurious.. I missed the case that it's not going to real sleep after preparing a wait. I'm sorry for bothering you guys. Please ignore the reports.