From patchwork Sun Feb 8 23:56:09 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anand Jain X-Patchwork-Id: 5798731 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 3E069BF440 for ; Mon, 9 Feb 2015 07:58:26 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 7FB7620121 for ; Mon, 9 Feb 2015 07:58:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 867D32012D for ; Mon, 9 Feb 2015 07:58:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759790AbbBIH6W (ORCPT ); Mon, 9 Feb 2015 02:58:22 -0500 Received: from aserp1040.oracle.com ([141.146.126.69]:46029 "EHLO aserp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759779AbbBIH6T (ORCPT ); Mon, 9 Feb 2015 02:58:19 -0500 Received: from acsinet22.oracle.com (acsinet22.oracle.com [141.146.126.238]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id t197wFbF008092 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Mon, 9 Feb 2015 07:58:16 GMT Received: from userz7021.oracle.com (userz7021.oracle.com [156.151.31.85]) by acsinet22.oracle.com (8.14.4+Sun/8.14.4) with ESMTP id t197wE4X014403 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=FAIL); Mon, 9 Feb 2015 07:58:15 GMT Received: from abhmp0014.oracle.com (abhmp0014.oracle.com [141.146.116.20]) by userz7021.oracle.com (8.14.4+Sun/8.14.4) with ESMTP id t197wEwu017126; Mon, 9 Feb 2015 07:58:14 GMT Received: from OL.sg.oracle.com (/10.186.101.34) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Sun, 08 Feb 2015 23:58:13 -0800 From: Anand Jain To: linux-btrfs@vger.kernel.org Cc: clm@fb.com, dsterba@suse.cz Subject: [PATCH 08/24] Btrfs: sysfs: introduce function btrfs_sysfs_add_fsid() to create sysfs fsid Date: Mon, 9 Feb 2015 07:56:09 +0800 Message-Id: <1423439785-10260-9-git-send-email-anand.jain@oracle.com> X-Mailer: git-send-email 2.0.0.153.g79dcccc In-Reply-To: <1423439785-10260-1-git-send-email-anand.jain@oracle.com> References: <1423439785-10260-1-git-send-email-anand.jain@oracle.com> X-Source-IP: acsinet22.oracle.com [141.146.126.238] Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org X-Spam-Status: No, score=-5.4 required=5.0 tests=BAYES_00, DATE_IN_PAST_06_12, 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 From: Anand Jain 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;