Re: [f2fs-dev] [PATCH 08/12] fs: export fs_holder_ops

[Jan Kara <jack@suse.cz>]

On Wed 02-08-23 17:41:27, Christoph Hellwig wrote:
> Export fs_holder_ops so that file systems that open additional block
> devices can use it as well.
> 
> Signed-off-by: Christoph Hellwig <hch@lst.de>

Looks good. Feel free to add:

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

								Honza

> ---
>  fs/super.c             | 3 ++-
>  include/linux/blkdev.h | 2 ++
>  2 files changed, 4 insertions(+), 1 deletion(-)
> 
> diff --git a/fs/super.c b/fs/super.c
> index 0cda4af0a7e16c..dac05f96ab9ac8 100644
> --- a/fs/super.c
> +++ b/fs/super.c
> @@ -1244,9 +1244,10 @@ static void fs_mark_dead(struct block_device *bdev)
>  	up_read(&sb->s_umount);
>  }
>  
> -static const struct blk_holder_ops fs_holder_ops = {
> +const struct blk_holder_ops fs_holder_ops = {
>  	.mark_dead		= fs_mark_dead,
>  };
> +EXPORT_SYMBOL_GPL(fs_holder_ops);
>  
>  static int set_bdev_super(struct super_block *s, void *data)
>  {
> diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
> index ed44a997f629f5..83262702eea71a 100644
> --- a/include/linux/blkdev.h
> +++ b/include/linux/blkdev.h
> @@ -1464,6 +1464,8 @@ struct blk_holder_ops {
>  	void (*mark_dead)(struct block_device *bdev);
>  };
>  
> +extern const struct blk_holder_ops fs_holder_ops;
> +
>  /*
>   * Return the correct open flags for blkdev_get_by_* for super block flags
>   * as stored in sb->s_flags.
> -- 
> 2.39.2
> 
-- 
Jan Kara <jack@suse.com>
SUSE Labs, CR


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