From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753980AbYJAHl2 (ORCPT ); Wed, 1 Oct 2008 03:41:28 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752210AbYJAHkQ (ORCPT ); Wed, 1 Oct 2008 03:40:16 -0400 Received: from agminet01.oracle.com ([141.146.126.228]:24272 "EHLO agminet01.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752007AbYJAHkL (ORCPT ); Wed, 1 Oct 2008 03:40:11 -0400 From: "Martin K. Petersen" To: jens.axboe@oracle.com, neilb@suse.de, agk@sourceware.org Cc: linux-kernel@vger.kernel.org, dm-devel@redhat.com, "Martin K. Petersen" Subject: [PATCH 4/7] block: gendisk integrity wrapper Date: Wed, 1 Oct 2008 03:38:40 -0400 Message-Id: <1222846723-18213-5-git-send-email-martin.petersen@oracle.com> X-Mailer: git-send-email 1.6.0.2 In-Reply-To: <1222846723-18213-1-git-send-email-martin.petersen@oracle.com> References: <1222846723-18213-1-git-send-email-martin.petersen@oracle.com> X-Brightmail-Tracker: AAAAAQAAAAI= X-Brightmail-Tracker: AAAAAQAAAAI= X-Whitelist: TRUE X-Whitelist: TRUE Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This is a wrapper for accessing a gendisk's integrity bits. It allows the integrity support in MD to be compiled with BLK_DEV_INTEGRITY off. Signed-off-by: Martin K. Petersen --- include/linux/blkdev.h | 6 ++++++ 1 files changed, 6 insertions(+), 0 deletions(-) diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index eec0842..ca08439 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -1027,6 +1027,11 @@ static inline struct blk_integrity *bdev_get_integrity(struct block_device *bdev return bdev->bd_disk->integrity; } +static inline struct blk_integrity *blk_get_integrity(struct gendisk *disk) +{ + return disk->integrity; +} + static inline unsigned int bdev_get_tag_size(struct block_device *bdev) { struct blk_integrity *bi = bdev_get_integrity(bdev); @@ -1069,6 +1074,7 @@ static inline int blk_integrity_rq(struct request *rq) #define blk_rq_count_integrity_sg(a) (0) #define blk_rq_map_integrity_sg(a, b) (0) #define bdev_get_integrity(a) (0) +#define blk_get_integrity(a) (0) #define bdev_get_tag_size(a) (0) #define blk_integrity_compare(a, b) (0) #define blk_integrity_register(a, b) (0) -- 1.6.0.2