[PATCH 10/20] block: refactor __blkdev_put

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Reorder the code to have one big section for the last close, and to use
bdev_is_partition.

Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
 fs/block_dev.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/fs/block_dev.c b/fs/block_dev.c
index 29db12c3bb501c..4c4d6c30382c06 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -1745,22 +1745,22 @@ static void __blkdev_put(struct block_device *bdev, fmode_t mode, int for_part)
 		WARN_ON_ONCE(bdev->bd_holders);
 		sync_blockdev(bdev);
 		kill_bdev(bdev);
-
 		bdev_write_inode(bdev);
-	}
-	if (bdev->bd_contains == bdev) {
-		if (disk->fops->release)
+
+		if (!bdev_is_partition(bdev) && disk->fops->release)
 			disk->fops->release(disk, mode);
-	}
-	if (!bdev->bd_openers) {
+
 		disk_put_part(bdev->bd_part);
 		bdev->bd_part = NULL;
 		bdev->bd_disk = NULL;
-		if (bdev != bdev->bd_contains)
+		if (bdev_is_partition(bdev))
 			victim = bdev->bd_contains;
 		bdev->bd_contains = NULL;
 
 		put_disk_and_module(disk);
+	} else {
+		if (!bdev_is_partition(bdev) && disk->fops->release)
+			disk->fops->release(disk, mode);
 	}
 	mutex_unlock(&bdev->bd_mutex);
 	bdput(bdev);
-- 
2.29.2




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