From patchwork Sun Feb 1 08:01:40 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anand Jain X-Patchwork-Id: 5756231 Return-Path: X-Original-To: patchwork-linux-btrfs@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 80086BF440 for ; Sun, 1 Feb 2015 08:03:36 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id BD5702024C for ; Sun, 1 Feb 2015 08:03:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D2360201F4 for ; Sun, 1 Feb 2015 08:03:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751974AbbBAID2 (ORCPT ); Sun, 1 Feb 2015 03:03:28 -0500 Received: from userp1040.oracle.com ([156.151.31.81]:51340 "EHLO userp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751490AbbBAIDN (ORCPT ); Sun, 1 Feb 2015 03:03:13 -0500 Received: from acsinet21.oracle.com (acsinet21.oracle.com [141.146.126.237]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id t11838ig001789 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Sun, 1 Feb 2015 08:03:09 GMT Received: from userz7021.oracle.com (userz7021.oracle.com [156.151.31.85]) by acsinet21.oracle.com (8.14.4+Sun/8.14.4) with ESMTP id t11838Wl004354 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=FAIL); Sun, 1 Feb 2015 08:03:08 GMT Received: from abhmp0019.oracle.com (abhmp0019.oracle.com [141.146.116.25]) by userz7021.oracle.com (8.14.4+Sun/8.14.4) with ESMTP id t11837pV026347; Sun, 1 Feb 2015 08:03:07 GMT Received: from wish.sg.oracle.com (/10.186.101.18) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Sun, 01 Feb 2015 00:03:06 -0800 From: Anand Jain To: linux-btrfs@vger.kernel.org Cc: dsterba@suse.cz, clm@fb.com Subject: [PATCH 10/12] Btrfs: sysfs: separate device kobject and its attribute creation Date: Sun, 1 Feb 2015 16:01:40 +0800 Message-Id: <1422777702-12584-11-git-send-email-anand.jain@oracle.com> X-Mailer: git-send-email 1.8.3.2 In-Reply-To: <1422777702-12584-1-git-send-email-anand.jain@oracle.com> References: <1421683347-18226-1-git-send-email-anand.jain@oracle.com> <1422777702-12584-1-git-send-email-anand.jain@oracle.com> X-Source-IP: acsinet21.oracle.com [141.146.126.237] Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Separate device kobject and its attribute creation so that device kobject can be created from the device discovery thread. Signed-off-by: Anand Jain --- fs/btrfs/sysfs.c | 21 +++++++++++++++------ 1 file changed, 15 insertions(+), 6 deletions(-) diff --git a/fs/btrfs/sysfs.c b/fs/btrfs/sysfs.c index 5208a49..2cb4c69 100644 --- a/fs/btrfs/sysfs.c +++ b/fs/btrfs/sysfs.c @@ -645,13 +645,8 @@ int btrfs_kobj_rm_device(struct btrfs_fs_info *fs_info, return 0; } -int btrfs_kobj_add_device(struct btrfs_fs_info *fs_info, - struct btrfs_device *one_device) +int btrfs_sysfs_add_device(struct btrfs_fs_info *fs_info) { - int error = 0; - struct btrfs_fs_devices *fs_devices = fs_info->fs_devices; - struct btrfs_device *dev; - if (!fs_info->device_dir_kobj) fs_info->device_dir_kobj = kobject_create_and_add("devices", &fs_info->super_kobj); @@ -659,6 +654,20 @@ int btrfs_kobj_add_device(struct btrfs_fs_info *fs_info, if (!fs_info->device_dir_kobj) return -ENOMEM; + return 0; +} + +int btrfs_kobj_add_device(struct btrfs_fs_info *fs_info, + struct btrfs_device *one_device) +{ + int error = 0; + struct btrfs_fs_devices *fs_devices = fs_info->fs_devices; + struct btrfs_device *dev; + + error = btrfs_sysfs_add_device(fs_info); + if (error) + return error; + list_for_each_entry(dev, &fs_devices->devices, dev_list) { struct hd_struct *disk; struct kobject *disk_kobj;