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=-7.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED autolearn=unavailable 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 1AA61C43381 for ; Wed, 27 Mar 2019 23:44:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E572A20651 for ; Wed, 27 Mar 2019 23:44:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730933AbfC0XoH (ORCPT ); Wed, 27 Mar 2019 19:44:07 -0400 Received: from mx1.redhat.com ([209.132.183.28]:52419 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725948AbfC0XoG (ORCPT ); Wed, 27 Mar 2019 19:44:06 -0400 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 mx1.redhat.com (Postfix) with ESMTPS id 648C1307E048; Wed, 27 Mar 2019 23:44:06 +0000 (UTC) Received: from warthog.procyon.org.uk (ovpn-121-98.rdu2.redhat.com [10.10.121.98]) by smtp.corp.redhat.com (Postfix) with ESMTP id 29D906BF68; Wed, 27 Mar 2019 23:44:04 +0000 (UTC) Organization: Red Hat UK Ltd. Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SI4 1TE, United Kingdom. Registered in England and Wales under Company Registration No. 3798903 Subject: [RFC PATCH 28/68] vfs: Convert configfs to use the new mount API From: David Howells To: viro@zeniv.linux.org.uk Cc: Joel Becker , Christoph Hellwig , linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, dhowells@redhat.com Date: Wed, 27 Mar 2019 23:44:04 +0000 Message-ID: <155373024433.7602.7166112906993469509.stgit@warthog.procyon.org.uk> In-Reply-To: <155372999953.7602.13784796495137723805.stgit@warthog.procyon.org.uk> References: <155372999953.7602.13784796495137723805.stgit@warthog.procyon.org.uk> User-Agent: StGit/unknown-version MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.42]); Wed, 27 Mar 2019 23:44:06 +0000 (UTC) Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org Convert the configfs filesystem to the new internal mount API as the old one will be obsoleted and removed. This allows greater flexibility in communication of mount parameters between userspace, the VFS and the filesystem. See Documentation/filesystems/mount_api.txt for more information. Signed-off-by: David Howells cc: Joel Becker cc: Christoph Hellwig --- fs/configfs/mount.c | 20 +++++++++++++++----- 1 file changed, 15 insertions(+), 5 deletions(-) diff --git a/fs/configfs/mount.c b/fs/configfs/mount.c index cfd91320e869..af4db09f46b4 100644 --- a/fs/configfs/mount.c +++ b/fs/configfs/mount.c @@ -27,6 +27,7 @@ #include #include #include +#include #include #include #include @@ -66,7 +67,7 @@ static struct configfs_dirent configfs_root = { .s_iattr = NULL, }; -static int configfs_fill_super(struct super_block *sb, void *data, int silent) +static int configfs_fill_super(struct super_block *sb, struct fs_context *fc) { struct inode *inode; struct dentry *root; @@ -102,16 +103,25 @@ static int configfs_fill_super(struct super_block *sb, void *data, int silent) return 0; } -static struct dentry *configfs_do_mount(struct file_system_type *fs_type, - int flags, const char *dev_name, void *data) +static int configfs_get_tree(struct fs_context *fc) { - return mount_single(fs_type, flags, data, configfs_fill_super); + return vfs_get_super(fc, vfs_get_single_super, configfs_fill_super); +} + +static const struct fs_context_operations configfs_context_ops = { + .get_tree = configfs_get_tree, +}; + +static int configfs_init_fs_context(struct fs_context *fc) +{ + fc->ops = &configfs_context_ops; + return 0; } static struct file_system_type configfs_fs_type = { .owner = THIS_MODULE, .name = "configfs", - .mount = configfs_do_mount, + .init_fs_context = configfs_init_fs_context, .kill_sb = kill_litter_super, }; MODULE_ALIAS_FS("configfs");