From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: [PATCH 3/4] libata: use the enlarged capacity after late HPA unlock Date: Thu, 13 May 2010 17:56:45 +0200 Message-ID: <1273766206-17402-4-git-send-email-tj@kernel.org> References: <1273766206-17402-1-git-send-email-tj@kernel.org> Return-path: In-Reply-To: <1273766206-17402-1-git-send-email-tj@kernel.org> Sender: linux-kernel-owner@vger.kernel.org To: jeff@garzik.org, linux-ide@vger.kernel.org, jens.axboe@oracle.com, linux-scsi@vger.kernel.org, James.Bottomley@suse.de, linux-kernel@vger.kernel.org Cc: ben@decadent.org.uk, Tejun Heo List-Id: linux-ide@vger.kernel.org After late HPA unlock, libata kept using the original capacity ignoring the new larger native capacity. Enlarging device on the fly doesn't cause any harm. Use the larger native capacity instead. This will enable on-demand HPA unlocking. Signed-off-by: Tejun Heo Cc: Ben Hutchings --- drivers/ata/libata-core.c | 5 ++--- 1 files changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 86f405b..9d6e92d 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -4212,9 +4212,8 @@ int ata_dev_revalidate(struct ata_device *dev, unsigned int new_class, dev->n_sectors > n_sectors && dev->n_sectors == n_native_sectors) { ata_dev_printk(dev, KERN_WARNING, "new n_sectors matches native, probably " - "late HPA unlock, continuing\n"); - /* keep using the old n_sectors */ - dev->n_sectors = n_sectors; + "late HPA unlock, n_sectors updated\n"); + /* use the larger n_sectors */ return 0; } -- 1.6.4.2