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dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=nvidia.com; Received-SPF: Pass (protection.outlook.com: domain of nvidia.com designates 216.228.117.161 as permitted sender) receiver=protection.outlook.com; client-ip=216.228.117.161; helo=mail.nvidia.com; pr=C Received: from mail.nvidia.com (216.228.117.161) by DM6NAM11FT112.mail.protection.outlook.com (10.13.173.77) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5709.10 via Frontend Transport; Wed, 5 Oct 2022 05:01:37 +0000 Received: from rnnvmail201.nvidia.com (10.129.68.8) by mail.nvidia.com (10.129.200.67) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.26; Tue, 4 Oct 2022 22:01:24 -0700 Received: from dev.nvidia.com (10.126.230.35) by rnnvmail201.nvidia.com (10.129.68.8) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.29; Tue, 4 Oct 2022 22:01:23 -0700 From: Chaitanya Kulkarni To: , , , , , , CC: , , , , , , , , , , , , , , , , , , , , Subject: [RFC PATCH 04/18] brd: use init disk helper Date: Tue, 4 Oct 2022 22:00:13 -0700 Message-ID: <20221005050027.39591-5-kch@nvidia.com> X-Mailer: git-send-email 2.29.0 In-Reply-To: <20221005050027.39591-1-kch@nvidia.com> References: <20221005050027.39591-1-kch@nvidia.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [10.126.230.35] X-ClientProxiedBy: rnnvmail202.nvidia.com (10.129.68.7) To rnnvmail201.nvidia.com (10.129.68.8) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DM6NAM11FT112:EE_|PH7PR12MB5711:EE_ X-MS-Office365-Filtering-Correlation-Id: 65b42157-e7b5-4bf3-e4fe-08daa68eaeba X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 05 Oct 2022 05:01:37.1522 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 65b42157-e7b5-4bf3-e4fe-08daa68eaeba X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.117.161];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: DM6NAM11FT112.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH7PR12MB5711 Precedence: bulk List-ID: X-Mailing-List: linux-m68k@vger.kernel.org Add and use the helper to initialize the common fields of struct gendisk such as major, first_minor, minors, disk_name, private_data, and ops. This initialization is spread all over the block drivers. This avoids code repetation of inialization code of gendisk in current block drivers and any future ones. Signed-off-by: Chaitanya Kulkarni --- drivers/block/ataflop.c | 8 ++------ drivers/block/brd.c | 9 ++------- 2 files changed, 4 insertions(+), 13 deletions(-) diff --git a/drivers/block/ataflop.c b/drivers/block/ataflop.c index 9deb4df6bdb8..cd70f7b329c4 100644 --- a/drivers/block/ataflop.c +++ b/drivers/block/ataflop.c @@ -1997,15 +1997,11 @@ static int ataflop_alloc_disk(unsigned int drive, unsigned int type) if (IS_ERR(disk)) return PTR_ERR(disk); - disk->major = FLOPPY_MAJOR; - disk->first_minor = drive + (type << 2); - disk->minors = 1; sprintf(disk->disk_name, "fd%d", drive); - disk->fops = &floppy_fops; disk->flags |= GENHD_FL_NO_PART; disk->events = DISK_EVENT_MEDIA_CHANGE; - disk->private_data = &unit[drive]; - set_capacity(disk, MAX_DISK_SIZE * 2); + init_disk(disk, FLOPPY_MAJOR, drive + (type << 2), 1, + MAX_DISK_SIZE * 2, &unit[drive], &floppy_fops); unit[drive].disk[type] = disk; return 0; diff --git a/drivers/block/brd.c b/drivers/block/brd.c index 20acc4a1fd6d..f60fda36a813 100644 --- a/drivers/block/brd.c +++ b/drivers/block/brd.c @@ -392,14 +392,9 @@ static int brd_alloc(int i) if (!disk) goto out_free_dev; - disk->major = RAMDISK_MAJOR; - disk->first_minor = i * max_part; - disk->minors = max_part; - disk->fops = &brd_fops; - disk->private_data = brd; strscpy(disk->disk_name, buf, DISK_NAME_LEN); - set_capacity(disk, rd_size * 2); - + init_disk(disk, RAMDISK_MAJOR, i * max_part, max_part, rd_size * 2, + brd, &brd_fops); /* * This is so fdisk will align partitions on 4k, because of * direct_access API needing 4k alignment, returning a PFN -- 2.29.0