Date: Fri, 21 Jun 2013 08:49:18 +0800
From: Fengguang Wu <fengguang.wu@intel.com>
To: Wanpeng Li <liwanp@linux.vnet.ibm.com>
Cc: Andrew Morton <akpm@linux-foundation.org>, Michal Hocko <mhocko@suse.cz>,
        David Rientjes <rientjes@google.com>,
        "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>,
        Rik van Riel <riel@redhat.com>, Andrew Shewmaker <agshew@gmail.com>,
        Jiri Kosina <jkosina@suse.cz>, Namjae Jeon <linkinjeon@gmail.com>,
        Jan Kara <jack@suse.cz>, Tejun Heo <tj@kernel.org>, linux-mm@kvack.org,
        linux-kernel@vger.kernel.org
Subject: Re: [PATCH v5 3/6] commit reason of WB_REASON_FORKER_THREAD mismatch
 name
Message-ID: <20130621004918.GF11033@localhost>
References: <1371774534-4139-1-git-send-email-liwanp@linux.vnet.ibm.com>
 <1371774534-4139-3-git-send-email-liwanp@linux.vnet.ibm.com>
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> --- a/include/linux/writeback.h
> +++ b/include/linux/writeback.h
> @@ -47,6 +47,12 @@ enum wb_reason {
>  	WB_REASON_LAPTOP_TIMER,
>  	WB_REASON_FREE_MORE_MEM,
>  	WB_REASON_FS_FREE_SPACE,
> +	/*
> +	 * There is no bdi forker thread any more and works are done
> +	 * by emergency worker, however, this is somewhat userland
> +	 * visible and we'll be exposing exactly the same information,
> +	 * so it has a mismatch name.
> +	 */
>  	WB_REASON_FORKER_THREAD,

Hmm, that reverted to the old "somewhat userland visible"?
And it seems hard to do a brief introduction of the situation..

Thanks,
Fengguang
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