From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mondschein.lichtvoll.de ([194.150.191.11]:34485 "EHLO mail.lichtvoll.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932803AbeCSJCU (ORCPT ); Mon, 19 Mar 2018 05:02:20 -0400 From: Martin Steigerwald To: Bart Van Assche Cc: "Martin K . Petersen" , "James E . J . Bottomley" , linux-scsi@vger.kernel.org, Hannes Reinecke , Ming Lei , Christoph Hellwig , Johannes Thumshirn , Tejun Heo , Oleksandr Natalenko , stable@vger.kernel.org Subject: Re: [PATCH] Change synchronize_rcu() in scsi_device_quiesce() into synchronize_sched() Date: Mon, 19 Mar 2018 10:02:18 +0100 Message-ID: <23066547.s73LNzlmaa@merkaba> In-Reply-To: References: <20180316173516.3048-1-bart.vanassche@wdc.com> <1890027.S58v862tbq@merkaba> MIME-Version: 1.0 Content-Transfer-Encoding: 8BIT Content-Type: text/plain; charset="UTF-8" Sender: stable-owner@vger.kernel.org List-ID: Hi Bart. Bart Van Assche - 16.03.18, 22:51: > On 03/16/18 14:42, Martin Steigerwald wrote: > > What is this one about? > > > > Fix for the regression I (and others?) reported?¹ > > > > [1] [Bug 199077] [Possible REGRESSION, 4.16-rc4] Error updating SMART data > > during runtime and boot failures with blk_mq_terminate_expired in > > backtrace > > > > https://bugzilla.kernel.org/show_bug.cgi?id=199077 […] > This patch is a fix for the fix for the bug that you and others had > reported. See also "I/O hangs after resuming from suspend-to-ram" > (https://marc.info/?l=linux-block&m=150340235201348). > > This patch fixes an API violation. For those users for which suspend and > resume works fine with commit 3a0a529971ec applied it should still work > fine with this patch applied since this patch may cause > scsi_device_quiesce() to wait longer. Okay, so if I understand you correctly, this is not related to the regression I mentioned above. Testing anyway. Thanks, -- Martin