Re: [PATCH] block: export symbol for bio_copy_kern

[Christoph Hellwig]

On Wed, Sep 06, 2017 at 12:20:25PM +0200, Javier González wrote:
> Export symbol for bio_copy_kern so that we can use it in modules.

NAK.  Always allocate the request first and then map the data to
the request.

[PATCH] block: export symbol for bio_copy_kern

[Javier González]

Export symbol for bio_copy_kern so that we can use it in modules.

Reported-by: Andiry Xu 
Signed-off-by: Javier González 
---
 block/bio.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/block/bio.c b/block/bio.c
index 6745759028da..cface315ace5 100644
--- a/block/bio.c
+++ b/block/bio.c
@@ -1610,6 +1610,7 @@ struct bio *bio_copy_kern(struct request_queue *q, void 
*data, unsigned int len,
bio_put(bio);
return ERR_PTR(-ENOMEM);
 }
+EXPORT_SYMBOL(bio_copy_kern);
 
 /*
  * bio_set_pages_dirty() and bio_check_pages_dirty() are support functions
-- 
2.7.4