From 977115c0f664e016a6b2774d4f97116ade23d732 Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@lst.de>
Date: Thu, 26 Nov 2020 10:41:07 +0100
Subject: block: stop using bdget_disk for partition 0

We can just dereference the point in struct gendisk instead.  Also
remove the now unused export.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
 fs/block_dev.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'fs/block_dev.c')

diff --git a/fs/block_dev.c b/fs/block_dev.c
index a9905d8fd02b..9e56ee1f2652 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -1299,7 +1299,7 @@ static int __blkdev_get(struct block_device *bdev, fmode_t mode)
 			if (ret)
 				return ret;
 		} else {
-			struct block_device *whole = bdget_disk(disk, 0);
+			struct block_device *whole = bdgrab(disk->part0);
 
 			mutex_lock_nested(&whole->bd_mutex, 1);
 			ret = __blkdev_get(whole, mode);
-- 
cgit