linux-kernel - [PATCH 17/21] Staging: hv: Cleanup blkvsc

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Message-Id: <1303509326-3094-17-git-send-email-kys@microsoft.com>
Date:	Fri, 22 Apr 2011 14:55:22 -0700
From:	"K. Y. Srinivasan" <kys@...rosoft.com>
To:	gregkh@...e.de, linux-kernel@...r.kernel.org,
	devel@...uxdriverproject.org, virtualization@...ts.osdl.org
Cc:	"K. Y. Srinivasan" <kys@...rosoft.com>,
	Haiyang Zhang <haiyangz@...rosoft.com>,
	Hank Janssen <hjanssen@...rosoft.com>
Subject: [PATCH 17/21] Staging: hv: Cleanup blkvsc_open()

Given that we don't support removable media, cleanup blkvsc_open().

Signed-off-by: K. Y. Srinivasan <kys@...rosoft.com>
Signed-off-by: Haiyang Zhang <haiyangz@...rosoft.com>
Signed-off-by: Hank Janssen <hjanssen@...rosoft.com>
---
 drivers/staging/hv/blkvsc_drv.c |   10 +---------
 1 files changed, 1 insertions(+), 9 deletions(-)

diff --git a/drivers/staging/hv/blkvsc_drv.c b/drivers/staging/hv/blkvsc_drv.c
index 3060bab..bf8647e 100644
--- a/drivers/staging/hv/blkvsc_drv.c
+++ b/drivers/staging/hv/blkvsc_drv.c
@@ -255,20 +255,12 @@ static int blkvsc_open(struct block_device *bdev, fmode_t mode)
 {
 	struct block_device_context *blkdev = bdev->bd_disk->private_data;
 
-
-	mutex_lock(&blkvsc_mutex);
 	spin_lock(&blkdev->lock);
 
-	if (!blkdev->users && blkdev->device_type == DVD_TYPE) {
-		spin_unlock(&blkdev->lock);
-		check_disk_change(bdev);
-		spin_lock(&blkdev->lock);
-	}
-
 	blkdev->users++;
 
 	spin_unlock(&blkdev->lock);
-	mutex_unlock(&blkvsc_mutex);
+
 	return 0;
 }
 
-- 
1.7.4.1

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