Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750945AbWCDA4O (ORCPT ); Fri, 3 Mar 2006 19:56:14 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750814AbWCDA4O (ORCPT ); Fri, 3 Mar 2006 19:56:14 -0500 Received: from mx1.redhat.com ([66.187.233.31]:48803 "EHLO mx1.redhat.com") by vger.kernel.org with ESMTP id S1750945AbWCDA4N (ORCPT ); Fri, 3 Mar 2006 19:56:13 -0500 Message-ID: <4408E5F6.7060403@ce.jp.nec.com> Date: Fri, 03 Mar 2006 19:57:26 -0500 From: "Jun'ichi Nomura" User-Agent: Mozilla Thunderbird 1.0.7-1.1.fc4 (X11/20050929) X-Accept-Language: en-us, en MIME-Version: 1.0 To: Alasdair Kergon , Neil Brown , Greg KH , linux-kernel@vger.kernel.org CC: Lars Marowsky-Bree , akpm@osdl.org, device-mapper development Subject: [PATCH 1/6] kobject_add_dir References: <4408E33E.1080703@ce.jp.nec.com> In-Reply-To: <4408E33E.1080703@ce.jp.nec.com> Content-Type: multipart/mixed; boundary="------------010304010507020902010703" Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2601 Lines: 94 This is a multi-part message in MIME format. --------------010304010507020902010703 Content-Type: text/plain; charset=ISO-2022-JP Content-Transfer-Encoding: 7bit This patch is part of dm/md sysfs dependency tree. This adds kobject_add_dir() function which creates a subdirectory for a given kobject. Thanks, -- Jun'ichi Nomura, NEC Solutions (America), Inc. --------------010304010507020902010703 Content-Type: text/x-patch; name="01-kobject_add_dir.patch" Content-Transfer-Encoding: 7bit Content-Disposition: inline; filename="01-kobject_add_dir.patch" Adding kobject_add_dir() function which creates a subdirectory for a given kobject. Signed-off-by: Jun'ichi Nomura include/linux/kobject.h | 2 ++ lib/kobject.c | 37 +++++++++++++++++++++++++++++++++++++ 2 files changed, 39 insertions(+) --- linux-2.6.16-rc5.orig/include/linux/kobject.h 2006-02-27 00:09:35.000000000 -0500 +++ linux-2.6.16-rc5/include/linux/kobject.h 2006-03-02 14:26:26.000000000 -0500 @@ -80,6 +80,8 @@ extern void kobject_unregister(struct ko extern struct kobject * kobject_get(struct kobject *); extern void kobject_put(struct kobject *); +extern struct kobject * kobject_add_dir(struct kobject *, const char *); + extern char * kobject_get_path(struct kobject *, gfp_t); struct kobj_type { --- linux-2.6.16-rc5.orig/lib/kobject.c 2006-02-27 00:09:35.000000000 -0500 +++ linux-2.6.16-rc5/lib/kobject.c 2006-03-02 14:26:26.000000000 -0500 @@ -379,6 +379,43 @@ void kobject_put(struct kobject * kobj) } +static void dir_release(struct kobject *kobj) +{ + kfree(kobj); +} + +static struct kobj_type dir_ktype = { + .release = dir_release, + .sysfs_ops = NULL, + .default_attrs = NULL, +}; + +/** + * kobject_add_dir - add sub directory of object. + * @parent: object in which a directory is created. + * @name: directory name. + * + * Add a plain directory object as child of given object. + */ +struct kobject *kobject_add_dir(struct kobject *parent, const char *name) +{ + struct kobject *k; + + if (!parent) + return NULL; + + k = kzalloc(sizeof(*k), GFP_KERNEL); + if (!k) + return NULL; + + k->parent = parent; + k->ktype = &dir_ktype; + kobject_set_name(k, name); + kobject_register(k); + + return k; +} + /** * kset_init - initialize a kset for use * @k: kset --------------010304010507020902010703-- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/