[PATCH 10/20] block: refactor __blkdev_put

[Jan Kara]

On Wed 18-11-20 09:47:50, Christoph Hellwig wrote:
> Reorder the code to have one big section for the last close, and to use
> bdev_is_partition.
> 
> Signed-off-by: Christoph Hellwig <hch at lst.de>

Looks good. You can add:

Reviewed-by: Jan Kara <jack at suse.cz>

								Honza

> ---
>  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
> 
-- 
Jan Kara <jack at suse.com>
SUSE Labs, CR