Re: [PATCH] btree: Export btree_get_prev() so modules can use btree_for_each

["Jörn Engel" <joern@logfs.org>]

On Wed, 28 December 2011 00:53:59 -0800, Roland Dreier wrote:
> 
> From: Steve Hodgson <steve@purestorage.com>
> 
> The btree_for_each API is implemented with macros that internally call
> btree_get_prev(), so if btree_get_prev() isn't exported then modules
> fail to link if they try to use one of the btree_for_each macros.  Since
> the rest of the btree API is exported, we should keep things orthogonal
> and make this work too.
> 
> Cc: Joern Engel <joern@logfs.org>
> Signed-off-by: Roland Dreier <roland@purestorage.com>

Acked-by: Joern Engel <joern@logfs.org>

> ---
>  lib/btree.c |    1 +
>  1 files changed, 1 insertions(+), 0 deletions(-)
> 
> diff --git a/lib/btree.c b/lib/btree.c
> index 2a34392..e5ec1e9 100644
> --- a/lib/btree.c
> +++ b/lib/btree.c
> @@ -357,6 +357,7 @@ miss:
>  	}
>  	return NULL;
>  }
> +EXPORT_SYMBOL_GPL(btree_get_prev);
>  
>  static int getpos(struct btree_geo *geo, unsigned long *node,
>  		unsigned long *key)
> -- 
> 1.7.5.4
> 

Jörn

-- 
"Error protection by error detection and correction."
-- from a university class