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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 88D88C43334 for ; Mon, 13 Jun 2022 10:35:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345385AbiFMKf4 (ORCPT ); Mon, 13 Jun 2022 06:35:56 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51058 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1345491AbiFMKeJ (ORCPT ); Mon, 13 Jun 2022 06:34:09 -0400 Received: from sin.source.kernel.org (sin.source.kernel.org [145.40.73.55]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 91A19286CC; Mon, 13 Jun 2022 03:22:06 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by sin.source.kernel.org (Postfix) with ESMTPS id 36C75CE1161; Mon, 13 Jun 2022 10:22:05 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 49CEEC34114; Mon, 13 Jun 2022 10:22:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1655115723; bh=zCjQg/w9ISq4tLVJDF3MgHP2clD1HOeBK4aMcMnB4vI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=rUWM99UL8EoqSe6DGhOPP3ZCmGzxb8ke0cWGbycxnhLlDRA9oMbjIJGm89RS/5pUq 9CcpikhINMXoLXqULpp0QRWPbjFHwyK5gL/SlXeDW3uajNFmpSW7juUzIsuozS1zPr pLFq3s8dcXcA4T4+kSrHalFlI5TeHE0g+8v4Apdc= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Nikolay Borisov , Qu Wenruo , David Sterba Subject: [PATCH 4.14 006/218] btrfs: add "0x" prefix for unsupported optional features Date: Mon, 13 Jun 2022 12:07:44 +0200 Message-Id: <20220613094909.790165611@linuxfoundation.org> X-Mailer: git-send-email 2.36.1 In-Reply-To: <20220613094908.257446132@linuxfoundation.org> References: <20220613094908.257446132@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Qu Wenruo commit d5321a0fa8bc49f11bea0b470800962c17d92d8f upstream. The following error message lack the "0x" obviously: cannot mount because of unsupported optional features (4000) Add the prefix to make it less confusing. This can happen on older kernels that try to mount a filesystem with newer features so it makes sense to backport to older trees. CC: stable@vger.kernel.org # 4.14+ Reviewed-by: Nikolay Borisov Signed-off-by: Qu Wenruo Reviewed-by: David Sterba Signed-off-by: David Sterba Signed-off-by: Greg Kroah-Hartman --- fs/btrfs/disk-io.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -2653,7 +2653,7 @@ int open_ctree(struct super_block *sb, ~BTRFS_FEATURE_INCOMPAT_SUPP; if (features) { btrfs_err(fs_info, - "cannot mount because of unsupported optional features (%llx)", + "cannot mount because of unsupported optional features (0x%llx)", features); err = -EINVAL; goto fail_alloc; @@ -2713,7 +2713,7 @@ int open_ctree(struct super_block *sb, ~BTRFS_FEATURE_COMPAT_RO_SUPP; if (!sb_rdonly(sb) && features) { btrfs_err(fs_info, - "cannot mount read-write because of unsupported optional features (%llx)", + "cannot mount read-write because of unsupported optional features (0x%llx)", features); err = -EINVAL; goto fail_alloc;