From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:43996 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750962AbdINGzR (ORCPT ); Thu, 14 Sep 2017 02:55:17 -0400 Received: from pps.filterd (m0098396.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.21/8.16.0.21) with SMTP id v8E6t07s115873 for ; Thu, 14 Sep 2017 02:55:17 -0400 Received: from e23smtp02.au.ibm.com (e23smtp02.au.ibm.com [202.81.31.144]) by mx0a-001b2d01.pphosted.com with ESMTP id 2cyj72fg83-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Thu, 14 Sep 2017 02:55:16 -0400 Received: from localhost by e23smtp02.au.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Thu, 14 Sep 2017 16:55:14 +1000 From: Chandan Rajendra To: Christoph Hellwig Cc: Eryu Guan , linux-xfs@vger.kernel.org, linux-block@vger.kernel.org Subject: Re: [BUG] xfs/104 triggered NULL pointer dereference in iomap based dio Date: Thu, 14 Sep 2017 12:25:57 +0530 In-Reply-To: <20170913165546.GA18388@lst.de> References: <20170913105823.GD8034@eguan.usersys.redhat.com> <8010113.2DyTjQuL2r@localhost.localdomain> <20170913165546.GA18388@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Message-Id: <1565818.oNrvGvf46j@localhost.localdomain> Sender: linux-block-owner@vger.kernel.org List-Id: linux-block@vger.kernel.org On Wednesday, September 13, 2017 10:25:46 PM IST Christoph Hellwig wrote: > Does it work fine if you call sb_init_dio_done_wq unconditionally? > > Yes, The issue isn't recreated when sb_init_dio_done_wq() is invoked unconditionally. -- chandan