From patchwork Mon Mar 9 22:38:28 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anand Jain X-Patchwork-Id: 5970081 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 C43A1BF6C3 for ; Mon, 9 Mar 2015 17:10:57 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id E7C112022A for ; Mon, 9 Mar 2015 17:10:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1D9B020225 for ; Mon, 9 Mar 2015 17:10:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753457AbbCIRKt (ORCPT ); Mon, 9 Mar 2015 13:10:49 -0400 Received: from userp1040.oracle.com ([156.151.31.81]:20776 "EHLO userp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753222AbbCIRKm (ORCPT ); Mon, 9 Mar 2015 13:10:42 -0400 Received: from ucsinet21.oracle.com (ucsinet21.oracle.com [156.151.31.93]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id t29HAd1N022074 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Mon, 9 Mar 2015 17:10:40 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by ucsinet21.oracle.com (8.14.4+Sun/8.14.4) with ESMTP id t29HAcE6003427 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Mon, 9 Mar 2015 17:10:39 GMT Received: from abhmp0004.oracle.com (abhmp0004.oracle.com [141.146.116.10]) by aserv0121.oracle.com (8.13.8/8.13.8) with ESMTP id t29HAcrk024253; Mon, 9 Mar 2015 17:10:38 GMT Received: from OL.sg.oracle.com (/10.186.101.34) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Mon, 09 Mar 2015 10:10:31 -0700 From: Anand Jain To: linux-btrfs@vger.kernel.org Cc: dsterba@suse.cz Subject: [PATCH 10/26] Btrfs: sysfs: separate device kobject and its attribute creation Date: Tue, 10 Mar 2015 06:38:28 +0800 Message-Id: <1425940724-7744-11-git-send-email-anand.jain@oracle.com> X-Mailer: git-send-email 2.0.0.153.g79dcccc In-Reply-To: <1425940724-7744-1-git-send-email-anand.jain@oracle.com> References: <1425940724-7744-1-git-send-email-anand.jain@oracle.com> X-Source-IP: ucsinet21.oracle.com [156.151.31.93] Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org X-Spam-Status: No, score=-3.9 required=5.0 tests=BAYES_00, DATE_IN_FUTURE_03_06, RCVD_IN_DNSWL_HI,T_RP_MATCHES_RCVD,UNPARSEABLE_RELAY autolearn=ham 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 From: Anand Jain 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;