Received: by 2002:a05:6902:102b:0:0:0:0 with SMTP id x11csp1097133ybt; Tue, 7 Jul 2020 07:45:42 -0700 (PDT) X-Google-Smtp-Source: ABdhPJx1swT3XyVq85b2YPG0+9chszV0Q/8J3c6iSZU4piWHH3sRvuDX3/EeRPqKpcyo3l8NbUV5 X-Received: by 2002:a17:906:178b:: with SMTP id t11mr27668206eje.489.1594133142699; Tue, 07 Jul 2020 07:45:42 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1594133142; cv=none; d=google.com; s=arc-20160816; b=TCCh+NDu9Sd/dRFK+E7Q5MJVTsYqXY57cWzVj4LwWVkTfJ9AseJHJvfdyMusz/PnaX czZO57CCtBgXXnsWoRxE3Jh8bX+1PRUchNlmSbhhsDRIcjU7ABJxOR6uQ5WHZScCHggu FEIZ6GO+3TaWigC7473akTfVFnnKjKRTorV+JACmRX4G6gBAOe+dOxmXlwyohRZUpdWY dz3PBJlshqWzz4ZStu/Nz0JYV/D/Rk0B+J5Xf/FWXwz34Z84iBBf4cHwC3qIeqk+Nbjl VjdibHuXr6SWwjv6uJl/tTaTsVmwLtq6O8dPQu8vBV63wf7nDt7KpxQk0NQ5w0B9Fmij CtnA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :message-id:date:subject:cc:to:from:dkim-signature; bh=IJiqzQ/kLsjLqSZqOf6MLpDjuwJtn20YFnJVp0WHDBY=; b=XKT9rPR8SQoIXYg5hWWhsiVnT5Sd5OmOTyKd/I1/Ejs9jUKyW3/Efyu1YrBfcQ3xaL 2rb/mP6+RyrPGGNIlO60H7ywuyT7jX5P6gptKcHU0hmwXmxnTU8fPGctd5OAFRWML99d +SMUvKX3s6iaSRGndPtrQkkeyZJf6PMI5mt4iiJlYd5gqRbr4SB17f5gAJmd8xJrV2CU tHDg5JuOGNWxrFIrYtENojOYLDQ9YwVDg2M5p+13dqPEVkNLCIdTY/x1Qkv1JZ89ZKie cwRek8uNViK35Yi4ReLEMwtCqg2t/zj09TiUvCags/iAhyFD4nCeP1IcYTV92GMSayHq wpCA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@redhat.com header.s=mimecast20190719 header.b=Fwlkg7Hl; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=redhat.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id x6si15303053ejw.73.2020.07.07.07.45.18; Tue, 07 Jul 2020 07:45:42 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@redhat.com header.s=mimecast20190719 header.b=Fwlkg7Hl; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=redhat.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727999AbgGGOpG (ORCPT + 99 others); Tue, 7 Jul 2020 10:45:06 -0400 Received: from us-smtp-1.mimecast.com ([205.139.110.61]:36955 "EHLO us-smtp-delivery-1.mimecast.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726946AbgGGOpG (ORCPT ); Tue, 7 Jul 2020 10:45:06 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1594133105; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=IJiqzQ/kLsjLqSZqOf6MLpDjuwJtn20YFnJVp0WHDBY=; b=Fwlkg7Hl/7S1mIeyuGDrAUd9ZzkZYdfeaj2AcB5B4CZ3khFQ1uvVzMXrJ9mdn5IZMjaE0w 7AhtKznFtnu9BCpZNJ0gOSSWW3o+++htfRszBM5k8zT9uIkb1JwYWgl2SE8YQFLgnMWFiR De3yY4tp1txAM07Cme0Yl4X/9Ixucuo= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-68-WfeCbwyUO864-hMheGu1Bw-1; Tue, 07 Jul 2020 10:45:03 -0400 X-MC-Unique: WfeCbwyUO864-hMheGu1Bw-1 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id C77838014D7; Tue, 7 Jul 2020 14:45:01 +0000 (UTC) Received: from max.home.com (unknown [10.40.192.179]) by smtp.corp.redhat.com (Postfix) with ESMTP id BB6F2797E4; Tue, 7 Jul 2020 14:44:59 +0000 (UTC) From: Andreas Gruenbacher To: Linus Torvalds Cc: Matthew Wilcox , Dave Chinner , Jens Axboe , linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Andreas Gruenbacher Subject: [RFC v3 0/2] Fix gfs2 readahead deadlocks Date: Tue, 7 Jul 2020 16:44:55 +0200 Message-Id: <20200707144457.1603400-1-agruenba@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org In the previous version, we could end up calling ->readpage without checking IOCB_NOIO. Andreas Gruenbacher (2): fs: Add IOCB_NOIO flag for generic_file_read_iter gfs2: Rework read and page fault locking fs/gfs2/aops.c | 45 +-------------------------------------- fs/gfs2/file.c | 52 ++++++++++++++++++++++++++++++++++++++++++++-- include/linux/fs.h | 1 + mm/filemap.c | 23 ++++++++++++++++++-- 4 files changed, 73 insertions(+), 48 deletions(-) -- 2.26.2