* [PATCH] block: export symbol for bio_copy_kern
@ 2017-09-06 10:20 Javier González
2017-09-06 13:44 ` Christoph Hellwig
0 siblings, 1 reply; 2+ messages in thread
From: Javier González @ 2017-09-06 10:20 UTC (permalink / raw)
To: axboe; +Cc: linux-block, linux-kernel, Javier González
Export symbol for bio_copy_kern so that we can use it in modules.
Reported-by: Andiry Xu <t-jianxu@microsoft.com>
Signed-off-by: Javier González <javier@cnexlabs.com>
---
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
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] block: export symbol for bio_copy_kern
2017-09-06 10:20 [PATCH] block: export symbol for bio_copy_kern Javier González
@ 2017-09-06 13:44 ` Christoph Hellwig
0 siblings, 0 replies; 2+ messages in thread
From: Christoph Hellwig @ 2017-09-06 13:44 UTC (permalink / raw)
To: Javier González
Cc: axboe, linux-block, linux-kernel, Javier González
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.
^ permalink raw reply [flat|nested] 2+ messages in thread
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