From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: [PATCH 3/3] libata: export HPA size as alt_size Date: Sun, 1 Feb 2009 11:55:51 +0900 Message-ID: <1233456951-992-4-git-send-email-tj@kernel.org> References: <1233456951-992-1-git-send-email-tj@kernel.org> Reply-To: device-mapper development Return-path: In-Reply-To: <1233456951-992-1-git-send-email-tj@kernel.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dm-devel-bounces@redhat.com Errors-To: dm-devel-bounces@redhat.com To: jeff@garzik.org, linux-ide@vger.kernel.org, jens.axboe@oracle.com, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, James.Bottomley@HansenPartnership.com, Mauelshagen@redhat.c Cc: Tejun Heo List-Id: linux-ide@vger.kernel.org Export HPA size as alt_size so that userland tools which need the BIOS size can determine it. Signed-off-by: Tejun Heo --- drivers/ata/libata-core.c | 2 ++ drivers/ata/libata-scsi.c | 2 ++ include/linux/libata.h | 1 + 3 files changed, 5 insertions(+), 0 deletions(-) diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 88c2428..cfea50a 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -1537,6 +1537,8 @@ static int ata_hpa_resize(struct ata_device *dev) } /* let's unlock HPA */ + dev->alt_n_sectors = sectors; + rc = ata_set_max_sectors(dev, native_sectors); if (rc == -EACCES) { /* if device aborted the command, skip HPA resizing */ diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index 3c4c5ae..911fe7c 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -1104,6 +1104,8 @@ static int ata_scsi_dev_config(struct scsi_device *sdev, blk_queue_update_dma_alignment(sdev->request_queue, ATA_SECT_SIZE - 1); sdev->manage_start_stop = 1; + + sdev->alt_capacity = dev->alt_n_sectors; } if (dev->flags & ATA_DFLAG_AN) diff --git a/include/linux/libata.h b/include/linux/libata.h index bca3ba2..97736d5 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -582,6 +582,7 @@ struct ata_device { #endif /* n_sector is used as CLEAR_OFFSET, read comment above CLEAR_OFFSET */ u64 n_sectors; /* size of device, if ATA */ + u64 alt_n_sectors; /* size bios wants us to see */ unsigned int class; /* ATA_DEV_xxx */ unsigned long unpark_deadline; -- 1.6.0.2