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=-6.8 required=3.0 tests=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 8E797C5DF63 for ; Wed, 6 Nov 2019 10:15:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 602162173E for ; Wed, 6 Nov 2019 10:15:41 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="OHe91FNi" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731356AbfKFKPl (ORCPT ); Wed, 6 Nov 2019 05:15:41 -0500 Received: from us-smtp-1.mimecast.com ([205.139.110.61]:58201 "EHLO us-smtp-delivery-1.mimecast.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1731321AbfKFKPk (ORCPT ); Wed, 6 Nov 2019 05:15:40 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1573035340; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=VabUfITa9SNdnOJaoKIgFS4+98jymX8GpT74VkSnVRE=; b=OHe91FNiwqvveoHNnXgLl/MkUsyGkudnzqOUd2zS7cHDoYgoN0MToKeRyGKLR8iJjSaape dFzy2bVt1XW8mLXFhAQipSikOo5ltjTCOjSntF1n7Tyyr+FWZCEjv/SQ3cErvD+TdWe37i D/dF+RV0r+lZt8KzkL8K8IlWuStUWsY= 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-438-sB1J4SC_OGudPwe967JkWA-1; Wed, 06 Nov 2019 05:15:38 -0500 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id BF2AD800C72; Wed, 6 Nov 2019 10:15:37 +0000 (UTC) Received: from localhost.localdomain (unknown [10.40.205.19]) by smtp.corp.redhat.com (Postfix) with ESMTP id A98BB19756; Wed, 6 Nov 2019 10:15:36 +0000 (UTC) From: Lukas Czerner To: linux-ext4@vger.kernel.org Cc: Theodore Ts'o , David Howells , Al Viro Subject: [PATCH 13/17] ext4: add ext4_reconfigure for the new mount API Date: Wed, 6 Nov 2019 11:14:53 +0100 Message-Id: <20191106101457.11237-14-lczerner@redhat.com> In-Reply-To: <20191106101457.11237-1-lczerner@redhat.com> References: <20191106101457.11237-1-lczerner@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 X-MC-Unique: sB1J4SC_OGudPwe967JkWA-1 X-Mimecast-Spam-Score: 0 Content-Type: text/plain; charset=WINDOWS-1252 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 f863fddc3df3..471fe7b6ad9e 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 *pa= ram); 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 { =09.parse_param=09=3D ext4_parse_param, =09.get_tree=09=3D ext4_get_tree, +=09.reconfigure=09=3D ext4_reconfigure, }; =20 #if !defined(CONFIG_EXT2_FS) && !defined(CONFIG_EXT2_FS_MODULE) && defined= (CONFIG_EXT4_USE_FOR_EXT2) @@ -6113,6 +6115,25 @@ static int ext4_remount(struct super_block *sb, int = *flags, char *data) =09return ret; } =20 +static int ext4_reconfigure(struct fs_context *fc) +{ +=09struct super_block *sb =3D fc->root->d_sb; +=09int flags =3D fc->sb_flags; +=09int ret; + +=09fc->s_fs_info =3D EXT4_SB(sb); + +=09ret =3D ext4_check_opt_consistency(fc, sb); +=09if (ret < 0) +=09=09return ret; + +=09ret =3D __ext4_remount(fc, sb, &flags); +=09if (ret < 0) +=09=09return ret; + +=09return 0; +} + #ifdef CONFIG_QUOTA static int ext4_statfs_project(struct super_block *sb, =09=09=09 kprojid_t projid, struct kstatfs *buf) --=20 2.21.0