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=-6.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS 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 8DFDCC83001 for ; Tue, 28 Apr 2020 16:46:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6C9FA2063A for ; Tue, 28 Apr 2020 16:46:08 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="QRTDNigF" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728488AbgD1QqI (ORCPT ); Tue, 28 Apr 2020 12:46:08 -0400 Received: from us-smtp-2.mimecast.com ([207.211.31.81]:38384 "EHLO us-smtp-delivery-1.mimecast.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1728335AbgD1QqI (ORCPT ); Tue, 28 Apr 2020 12:46:08 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1588092366; 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: in-reply-to:in-reply-to:references:references; bh=0swHMZCm+qlVQUv0E6piv2hXFo6GEN5oOl6mG+HqFMA=; b=QRTDNigFDMjBbqRFtQOGOCFNzk/mAft2UrqO7JK0dk1DqiSMQqf9SdaKdomPppBFZGaXUV SCudoukO9JcNS+GK5b9l/rC8RFm1KAFkRzqBLej26UiFAGhgN1M8S2B5lo+7rV1OBgZK5t H5PSjM+FTbKENrzazcBTB6x/vkdvmxU= 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-79-exHmyeBYPjycD0WXmjkDDw-1; Tue, 28 Apr 2020 12:46:02 -0400 X-MC-Unique: exHmyeBYPjycD0WXmjkDDw-1 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 7FA70835B40; Tue, 28 Apr 2020 16:46:01 +0000 (UTC) Received: from localhost.localdomain (unknown [10.40.192.34]) by smtp.corp.redhat.com (Postfix) with ESMTP id 93B821002388; Tue, 28 Apr 2020 16:46:00 +0000 (UTC) From: Lukas Czerner To: linux-ext4@vger.kernel.org Cc: dhowells@redhat.com, viro@zeniv.linux.org.uk Subject: [PATCH v2 13/17] ext4: add ext4_reconfigure for the new mount API Date: Tue, 28 Apr 2020 18:45:32 +0200 Message-Id: <20200428164536.462-14-lczerner@redhat.com> In-Reply-To: <20200428164536.462-1-lczerner@redhat.com> References: <20200428164536.462-1-lczerner@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 Content-Transfer-Encoding: quoted-printable Sender: linux-ext4-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-ext4@vger.kernel.org Signed-off-by: Lukas Czerner --- fs/ext4/super.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/fs/ext4/super.c b/fs/ext4/super.c index a340b4943544..9e10c42c300c 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -94,6 +94,7 @@ static int ext4_check_opt_consistency(struct fs_context= *fc, static void ext4_apply_options(struct fs_context *fc, struct super_block= *sb); static int ext4_parse_param(struct fs_context *fc, struct fs_parameter *= param); static int ext4_get_tree(struct fs_context *fc); +static int ext4_reconfigure(struct fs_context *fc); =20 /* * Lock ordering @@ -126,6 +127,7 @@ static int ext4_get_tree(struct fs_context *fc); static const struct fs_context_operations ext4_context_ops =3D { .parse_param =3D ext4_parse_param, .get_tree =3D ext4_get_tree, + .reconfigure =3D ext4_reconfigure, }; =20 #if !defined(CONFIG_EXT2_FS) && !defined(CONFIG_EXT2_FS_MODULE) && defin= ed(CONFIG_EXT4_USE_FOR_EXT2) @@ -6237,6 +6239,25 @@ static int ext4_remount(struct super_block *sb, in= t *flags, char *data) return ret; } =20 +static int ext4_reconfigure(struct fs_context *fc) +{ + struct super_block *sb =3D fc->root->d_sb; + int flags =3D fc->sb_flags; + int ret; + + fc->s_fs_info =3D EXT4_SB(sb); + + ret =3D ext4_check_opt_consistency(fc, sb); + if (ret < 0) + return ret; + + ret =3D __ext4_remount(fc, sb, &flags); + if (ret < 0) + return ret; + + return 0; +} + #ifdef CONFIG_QUOTA static int ext4_statfs_project(struct super_block *sb, kprojid_t projid, struct kstatfs *buf) --=20 2.21.1