From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751563AbaHPPzp (ORCPT ); Sat, 16 Aug 2014 11:55:45 -0400 Received: from mailhub.sw.ru ([195.214.232.25]:9513 "EHLO relay.sw.ru" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751523AbaHPPzo (ORCPT ); Sat, 16 Aug 2014 11:55:44 -0400 From: Dmitry Monakhov To: linux-kernel@vger.kernel.org Cc: axboe@fb.com, Dmitry Monakhov Subject: [PATCH] brd: add ram disk visibility option Date: Sat, 16 Aug 2014 19:55:30 +0400 Message-Id: <1408204530-16726-1-git-send-email-dmonakhov@openvz.org> X-Mailer: git-send-email 1.7.7.6 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Signed-off-by: Dmitry Monakhov diff --git a/drivers/block/brd.c b/drivers/block/brd.c index c7d138e..3598110 100644 --- a/drivers/block/brd.c +++ b/drivers/block/brd.c @@ -442,12 +442,15 @@ static int rd_nr; int rd_size = CONFIG_BLK_DEV_RAM_SIZE; static int max_part; static int part_shift; +static int part_show = 0; module_param(rd_nr, int, S_IRUGO); MODULE_PARM_DESC(rd_nr, "Maximum number of brd devices"); module_param(rd_size, int, S_IRUGO); MODULE_PARM_DESC(rd_size, "Size of each RAM disk in kbytes."); module_param(max_part, int, S_IRUGO); MODULE_PARM_DESC(max_part, "Maximum number of partitions per RAM disk"); +module_param(part_show, int, S_IRUGO); +MODULE_PARM_DESC(part_show, "Control RAM disk visibility in /proc/partitions"); MODULE_LICENSE("GPL"); MODULE_ALIAS_BLOCKDEV_MAJOR(RAMDISK_MAJOR); MODULE_ALIAS("rd"); @@ -501,7 +504,8 @@ static struct brd_device *brd_alloc(int i) disk->fops = &brd_fops; disk->private_data = brd; disk->queue = brd->brd_queue; - disk->flags |= GENHD_FL_SUPPRESS_PARTITION_INFO; + if (!part_show) + disk->flags |= GENHD_FL_SUPPRESS_PARTITION_INFO; sprintf(disk->disk_name, "ram%d", i); set_capacity(disk, rd_size * 2); -- 1.7.1