Re: [PATCH v2 10/26] block: Add submit_bio_wait(), remove from md

From: Tejun Heo
Date: Thu Sep 20 2012 - 19:56:39 EST


On Mon, Sep 10, 2012 at 05:22:21PM -0700, Kent Overstreet wrote:
> Random cleanup - this code was duplicated and it's not really specific
> to md.
>
> Also added the ability to return the actual error code.
>
> Signed-off-by: Kent Overstreet <koverstreet@xxxxxxxxxx>
> CC: Jens Axboe <axboe@xxxxxxxxx>
> CC: NeilBrown <neilb@xxxxxxx>

Acked-by: Tejun Heo <tj@xxxxxxxxxx>

> --- a/include/linux/bio.h
> +++ b/include/linux/bio.h
> @@ -249,6 +249,7 @@ extern void bio_endio(struct bio *, int);
> struct request_queue;
> extern int bio_phys_segments(struct request_queue *, struct bio *);
>
> +extern int submit_bio_wait(int rw, struct bio *bio);
> void bio_advance(struct bio *, unsigned);

Heh, this is one of the reasons why I don't like extern on function
prototypes. It's not necessary and people end up jumping between the
two forms. :(

Thanks.

--
tejun
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/