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 X-Spam-Level: X-Spam-Status: No, score=-14.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D8E5DC433F5 for ; Tue, 7 Sep 2021 15:15:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C1C2761107 for ; Tue, 7 Sep 2021 15:15:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345081AbhIGPRA (ORCPT ); Tue, 7 Sep 2021 11:17:00 -0400 Received: from mail.kernel.org ([198.145.29.99]:43284 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1345005AbhIGPQ7 (ORCPT ); Tue, 7 Sep 2021 11:16:59 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id C737B61107 for ; Tue, 7 Sep 2021 15:15:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1631027753; bh=xTQ47EC5/1IwwhZiki25FVJvLHtto0M1uXXIYhWPu8A=; h=From:To:Subject:Date:In-Reply-To:References:From; b=pH0XiuA01htC/xBdpnfT6EyXHs1bVeasTbrzSPKvINV0RsoCtypmwbF5Of6UDhmrY tL6zSABJnRMJv+Wq4eiRkbezLLI9Cr0A234U+pe2n3AWnjK1swcLcFp3Z7daOKrRIi 1jsl/7ED3l2yAadzyHbkZ6XaSAUULAwonG3ziRS5QPgkkRL4ZTpmwAv6Bdo3gPswIP loYP7DURD1Sks27rHQPdLt88T/4PzyAYxGEPNFuNQfY+CnSjTybg+awD8p0LwsGeF7 MxKva8I2zSPWcgJWLkJVgZatwcRI705VzR/KuNFoGAV1QD7oxaWLllbHMiQgcaPMjL otnnS7cIOdT8A== From: fdmanana@kernel.org To: linux-btrfs@vger.kernel.org Subject: [PATCH 0/2] btrfs: fix mount/remount failure due to past device flush errors Date: Tue, 7 Sep 2021 16:15:48 +0100 Message-Id: X-Mailer: git-send-email 2.25.1 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org From: Filipe Manana We currently fail mounting and remounting a fs from RO to RW if we had a device flush error from a past mount. This causes mount/remount when such errors were transient and don't happen anymore. One example is during tests that explicitly trigger IO failure, such as the new generic/648 or, much less frequently, generic/019 and generic/475. The first patch has more details in its changelog. V2: Rework to use instead an additional argument to btrfs_check_rw_degradable() and solve the same problem for remounts from RO to RW mode. Also added the second patch. Filipe Manana (2): btrfs: fix mount failure due to past and transient device flush error btrfs: remove the failing device argument from btrfs_check_rw_degradable() fs/btrfs/disk-io.c | 4 ++-- fs/btrfs/super.c | 2 +- fs/btrfs/volumes.c | 32 +++++++++++++++++++++----------- fs/btrfs/volumes.h | 2 +- 4 files changed, 25 insertions(+), 15 deletions(-) -- 2.33.0