linux-kernel - Re: [PATCH 2/6] io context sharing: preliminary support

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Message-Id: <20080123140803.ff320a96.akpm@linux-foundation.org>
Date:	Wed, 23 Jan 2008 14:08:03 -0800
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Jens Axboe <jens.axboe@...cle.com>
Cc:	linux-kernel@...r.kernel.org, knikanth@...ell.com,
	jens.axboe@...cle.com
Subject: Re: [PATCH 2/6] io context sharing: preliminary support

> On Tue, 22 Jan 2008 10:49:17 +0100 Jens Axboe <jens.axboe@...cle.com> wrote:
> -void put_io_context(struct io_context *ioc)
> +int put_io_context(struct io_context *ioc)
>  {
>  	if (ioc == NULL)
> -		return;
> +		return 1;
>  
>  	BUG_ON(atomic_read(&ioc->refcount) == 0);
>  
> @@ -3856,7 +3856,9 @@ void put_io_context(struct io_context *ioc)
>  		rcu_read_unlock();
>  
>  		kmem_cache_free(iocontext_cachep, ioc);
> +		return 1;
>  	}
> +	return 0;
>  }

Document the return value?  (and the function)

I assume this return value gets used in some other patch.
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