From patchwork Sun Feb 1 08:01:38 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anand Jain X-Patchwork-Id: 5756161 Return-Path: X-Original-To: patchwork-linux-btrfs@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 39C099F269 for ; Sun, 1 Feb 2015 08:03:19 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 81CD2201F4 for ; Sun, 1 Feb 2015 08:03:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 856512024C for ; Sun, 1 Feb 2015 08:03:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751654AbbBAIDK (ORCPT ); Sun, 1 Feb 2015 03:03:10 -0500 Received: from userp1040.oracle.com ([156.151.31.81]:51324 "EHLO userp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751581AbbBAIDJ (ORCPT ); Sun, 1 Feb 2015 03:03:09 -0500 Received: from ucsinet22.oracle.com (ucsinet22.oracle.com [156.151.31.94]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id t11835sp001757 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Sun, 1 Feb 2015 08:03:05 GMT Received: from userz7022.oracle.com (userz7022.oracle.com [156.151.31.86]) by ucsinet22.oracle.com (8.14.5+Sun/8.14.5) with ESMTP id t11834fe024213 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Sun, 1 Feb 2015 08:03:05 GMT Received: from abhmp0019.oracle.com (abhmp0019.oracle.com [141.146.116.25]) by userz7022.oracle.com (8.14.5+Sun/8.14.4) with ESMTP id t11834Jo024173; Sun, 1 Feb 2015 08:03:04 GMT Received: from wish.sg.oracle.com (/10.186.101.18) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Sun, 01 Feb 2015 00:03:03 -0800 From: Anand Jain To: linux-btrfs@vger.kernel.org Cc: dsterba@suse.cz, clm@fb.com Subject: [PATCH 08/12] Btrfs: sysfs: introduce function btrfs_sysfs_add_fsid() to create sysfs fsid Date: Sun, 1 Feb 2015 16:01:38 +0800 Message-Id: <1422777702-12584-9-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: ucsinet22.oracle.com [156.151.31.94] 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 We need it in a seperate function so that it can be called from the device discovery thread as well. Signed-off-by: Anand Jain --- fs/btrfs/sysfs.c | 15 ++++++++++++++- 1 file changed, 14 insertions(+), 1 deletion(-) diff --git a/fs/btrfs/sysfs.c b/fs/btrfs/sysfs.c index c923e8b..f42d8fd 100644 --- a/fs/btrfs/sysfs.c +++ b/fs/btrfs/sysfs.c @@ -690,7 +690,12 @@ static struct dentry *btrfs_debugfs_root_dentry; /* Debugging tunables and exported data */ u64 btrfs_debugfs_test; -int btrfs_sysfs_add_one(struct btrfs_fs_info *fs_info) +/* + * Can be called by the device discovery thread. + * And parent can be specified for seed device + */ +int btrfs_sysfs_add_fsid(struct btrfs_fs_info *fs_info, + struct kobject *parent) { int error; @@ -698,6 +703,14 @@ int btrfs_sysfs_add_one(struct btrfs_fs_info *fs_info) fs_info->super_kobj.kset = btrfs_kset; error = kobject_init_and_add(&fs_info->super_kobj, &btrfs_ktype, NULL, "%pU", fs_info->fsid); + return error; +} + +int btrfs_sysfs_add_one(struct btrfs_fs_info *fs_info) +{ + int error; + + error = btrfs_sysfs_add_fsid(fs_info, NULL); if (error) return error;