linux-kernel - Re: [patch 1/8] mm: bdi: export bdi_writeout

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Message-Id: <1205839660.8514.340.camel@twins>
Date:	Tue, 18 Mar 2008 12:27:40 +0100
From:	Peter Zijlstra <peterz@...radead.org>
To:	Miklos Szeredi <miklos@...redi.hu>
Cc:	akpm@...ux-foundation.org, linux-kernel@...r.kernel.org,
	linux-fsdevel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [patch 1/8] mm: bdi: export bdi_writeout_inc()

On Mon, 2008-03-17 at 20:19 +0100, Miklos Szeredi wrote:
> plain text document attachment (export_bdi_writeout_inc.patch)
> From: Miklos Szeredi <mszeredi@...e.cz>
> 
> Fuse needs this for writable mmap support.
> 
> Signed-off-by: Miklos Szeredi <mszeredi@...e.cz>
> ---
>  include/linux/backing-dev.h |    2 ++
>  mm/page-writeback.c         |   10 ++++++++++
>  2 files changed, 12 insertions(+)
> 
> Index: linux/include/linux/backing-dev.h
> ===================================================================
> --- linux.orig/include/linux/backing-dev.h	2008-03-17 18:24:13.000000000 +0100
> +++ linux/include/linux/backing-dev.h	2008-03-17 18:24:36.000000000 +0100
> @@ -134,6 +134,8 @@ static inline s64 bdi_stat_sum(struct ba
>  	return sum;
>  }
>  
> +extern void bdi_writeout_inc(struct backing_dev_info *bdi);
> +
>  /*
>   * maximal error of a stat counter.
>   */
> Index: linux/mm/page-writeback.c
> ===================================================================
> --- linux.orig/mm/page-writeback.c	2008-03-17 18:24:13.000000000 +0100
> +++ linux/mm/page-writeback.c	2008-03-17 18:24:36.000000000 +0100
> @@ -168,6 +168,16 @@ static inline void __bdi_writeout_inc(st
>  			      bdi->max_prop_frac);
>  }
>  
> +void bdi_writeout_inc(struct backing_dev_info *bdi)
> +{
> +	unsigned long flags;
> +
> +	local_irq_save(flags);
> +	__bdi_writeout_inc(bdi);
> +	local_irq_restore(flags);
> +}
> +EXPORT_SYMBOL(bdi_writeout_inc);
> +

May I ask to make this a _GPL export, please? 

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