From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Thu, 04 Jan 2024 09:52:50 +0100 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by lore.white.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1rLJT8-003JUR-26 for lore@lore.pengutronix.de; Thu, 04 Jan 2024 09:52:50 +0100 Received: from bombadil.infradead.org ([2607:7c80:54:3::133]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1rLJT7-0005J0-Kj for lore@pengutronix.de; Thu, 04 Jan 2024 09:52:50 +0100 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id: Content-Transfer-Encoding:MIME-Version:References:In-Reply-To:Message-Id:Date :Subject:To:From:Reply-To:Content-Type:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=wT1VRNQIC7WG3UuBM6dB7rzvc/f17yXGAlkD6DHY8h8=; b=1eeCrUVQ4eNwqm M+9oUp4dr8AC9ui1hr5Hzvt2DVfFeKKiF+dXRNQlRlXVxjAHT39UCqE+dvZE5fcZE0nrTQlPqDiPy LIBBIc0IEIcmSc6FOsxwSs1ympTodoERyOk4i5izM4wNdIw1KQn132WG62SOwPDXHPVbQGVwU28ju yfa1dzuS1KMON5iuGqWxKO9Qby1Km1gXl+Pyzs5XcKkZ3HZb0Ts2u/sk4XXfZVKokMC37AtbgkxOZ C1Ao61ZhNezlYc09tf8Q7sEHt0grOYGpIFcE6xvs34V9H3Kv4+CWlkje3B2wp/l881lFKIOgE6K4v VZQAyTVkXgWGd79KPcrw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1rLJS1-00DGtT-1v; Thu, 04 Jan 2024 08:51:41 +0000 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1rLJRy-00DGs7-37 for barebox@lists.infradead.org; Thu, 04 Jan 2024 08:51:40 +0000 Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1rLJRx-00053l-J4; Thu, 04 Jan 2024 09:51:37 +0100 Received: from [2a0a:edc0:0:1101:1d::54] (helo=dude05.red.stw.pengutronix.de) by drehscheibe.grey.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1rLJRx-000IwS-6R; Thu, 04 Jan 2024 09:51:37 +0100 Received: from localhost ([::1] helo=dude05.red.stw.pengutronix.de) by dude05.red.stw.pengutronix.de with esmtp (Exim 4.96) (envelope-from ) id 1rLJRx-002BDw-0J; Thu, 04 Jan 2024 09:51:37 +0100 From: Ahmad Fatoum To: barebox@lists.infradead.org Date: Thu, 4 Jan 2024 09:51:35 +0100 Message-Id: <20240104085135.519786-1-a.fatoum@pengutronix.de> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240103101629.2629497-4-a.fatoum@pengutronix.de> References: <20240103101629.2629497-4-a.fatoum@pengutronix.de> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240104_005139_002144_C7B38549 X-CRM114-Status: GOOD ( 10.35 ) X-BeenThere: barebox@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Ahmad Fatoum Sender: "barebox" X-SA-Exim-Connect-IP: 2607:7c80:54:3::133 X-SA-Exim-Mail-From: barebox-bounces+lore=pengutronix.de@lists.infradead.org X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on metis.whiteo.stw.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-6.4 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_NONE, T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: [PATCH] fixup! cdev: export cdevfs_add_partition for general use X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.whiteo.stw.pengutronix.de) Now that we export the function, some documentation can be useful. Suggested-by: Sascha Hauer Signed-off-by: Ahmad Fatoum --- fs/devfs-core.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/fs/devfs-core.c b/fs/devfs-core.c index 912bfeede8dc..060a24795c47 100644 --- a/fs/devfs-core.c +++ b/fs/devfs-core.c @@ -474,6 +474,17 @@ static struct cdev *check_overlap(struct cdev *cdev, const char *name, loff_t of return ret ? ERR_PTR(ret) : cpart; } +/** + * cdevfs_add_partition() - add partition to already registered cdev + * @cdev: parent cdev + * @partinfo: new partition information + * @end: If not NULL, will hold the the (non-inclusive) end offset of the newly + * created partition. + * + * Return: the newly registered cdev or an error pointer if the new partition + * would clash with exisiting partitions or overflow the cdev. + * A valid cdev can be freed with cdevfs_del_partition() + */ struct cdev *cdevfs_add_partition(struct cdev *cdev, const struct devfs_partition *partinfo, loff_t *end) { -- 2.39.2