From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965244AbbCPVNS (ORCPT ); Mon, 16 Mar 2015 17:13:18 -0400 Received: from mga11.intel.com ([192.55.52.93]:8970 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932261AbbCPVNM (ORCPT ); Mon, 16 Mar 2015 17:13:12 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.11,411,1422950400"; d="scan'208";a="541751268" From: Ross Zwisler To: linux-kernel@vger.kernel.org Cc: Ross Zwisler , linux-nvdimm@ml01.01.org, linux-fsdevel@vger.kernel.org, axboe@kernel.dk, hch@infradead.org, riel@redhat.com Subject: [PATCH 2/6] pmem: Add support for getgeo() Date: Mon, 16 Mar 2015 15:12:56 -0600 Message-Id: <1426540380-24503-3-git-send-email-ross.zwisler@linux.intel.com> X-Mailer: git-send-email 1.9.3 In-Reply-To: <1426540380-24503-1-git-send-email-ross.zwisler@linux.intel.com> References: <1426540380-24503-1-git-send-email-ross.zwisler@linux.intel.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Some programs require HDIO_GETGEO work, which requires we implement getgeo. Based off of the work done to the NVMe driver in this commit: commit 4cc09e2dc4cb ("NVMe: Add getgeo to block ops") Signed-off-by: Ross Zwisler Cc: linux-nvdimm@lists.01.org Cc: linux-fsdevel@vger.kernel.org Cc: axboe@kernel.dk Cc: hch@infradead.org Cc: riel@redhat.com --- drivers/block/pmem.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/block/pmem.c b/drivers/block/pmem.c index d366b9b..60bbe0d 100644 --- a/drivers/block/pmem.c +++ b/drivers/block/pmem.c @@ -50,6 +50,15 @@ struct pmem_device { size_t size; }; +static int pmem_getgeo(struct block_device *bd, struct hd_geometry *geo) +{ + /* some standard values */ + geo->heads = 1 << 6; + geo->sectors = 1 << 5; + geo->cylinders = get_capacity(bd->bd_disk) >> 11; + return 0; +} + /* * direct translation from (pmem,sector) => void* * We do not require that sector be page aligned. @@ -176,6 +185,7 @@ out: static const struct block_device_operations pmem_fops = { .owner = THIS_MODULE, + .getgeo = pmem_getgeo, }; /* Kernel module stuff */ -- 1.9.3