linux-kernel - Re: [PATCH -next] blkdev.h: fix warnings when CONFIG

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Message-ID: <20080916215039.GZ20055@kernel.dk>
Date:	Tue, 16 Sep 2008 23:50:40 +0200
From:	Jens Axboe <jens.axboe@...cle.com>
To:	"Randy.Dunlap" <rdunlap@...otime.net>
Cc:	Stephen Rothwell <sfr@...b.auug.org.au>,
	linux-next@...r.kernel.org, akpm@...ux-foundation.org,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH -next] blkdev.h: fix warnings when CONFIG_BLOCK=n

On Tue, Sep 16 2008, Randy.Dunlap wrote:
> From: Randy Dunlap <randy.dunlap@...cle.com>
> 
> Fix lots of build warnings when CONFIG_BLOCK=n:
> 
> linux-next-20080916/include/linux/blkdev.h:1093: warning: 'struct block_device' declared inside parameter list
> linux-next-20080916/include/linux/blkdev.h:1093: warning: its scope is only this definition or declaration, which is probably not what you want
> linux-next-20080916/include/linux/blkdev.h:1097: warning: 'struct gendisk' declared inside parameter list
> linux-next-20080916/include/linux/blkdev.h:1105: warning: 'struct hd_geometry' declared inside parameter list
> 
> Signed-off-by: Randy Dunlap <randy.dunlap@...cle.com>
> ---
>  include/linux/blkdev.h |    4 ++++
>  1 file changed, 4 insertions(+)
> 
> --- linux-next-20080916.orig/include/linux/blkdev.h
> +++ linux-next-20080916/include/linux/blkdev.h
> @@ -1089,6 +1089,10 @@ static inline long nr_blockdev_pages(voi
>  
>  #endif /* CONFIG_BLOCK */
>  
> +struct block_device;
> +struct gendisk;
> +struct hd_geometry;
> +
>  extern int __blkdev_driver_ioctl(struct block_device *, fmode_t, unsigned int,
>  				 unsigned long);
>  

Not sure which tree that build problem came from, it isn't from the
block git tree.

-- 
Jens Axboe

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