linux-kernel - Re: [PATCHv2, RFC 01/30] block: implement add_bdi

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Message-ID: <514B1D32.5030400@sr71.net>
Date:	Thu, 21 Mar 2013 07:46:10 -0700
From:	Dave Hansen <dave@...1.net>
To:	"Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>
CC:	Andrea Arcangeli <aarcange@...hat.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Al Viro <viro@...iv.linux.org.uk>,
	Hugh Dickins <hughd@...gle.com>,
	Wu Fengguang <fengguang.wu@...el.com>, Jan Kara <jack@...e.cz>,
	Mel Gorman <mgorman@...e.de>, linux-mm@...ck.org,
	Andi Kleen <ak@...ux.intel.com>,
	Matthew Wilcox <matthew.r.wilcox@...el.com>,
	"Kirill A. Shutemov" <kirill@...temov.name>,
	Hillf Danton <dhillf@...il.com>, linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCHv2, RFC 01/30] block: implement add_bdi_stat()

On 03/14/2013 10:50 AM, Kirill A. Shutemov wrote:
> From: "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>
> 
> It's required for batched stats update.

The description here is a little terse.  Could you at least also
describe how and where it's going to get used in later patches?  Just a
sentence or two more would be really helpful.

You might also mention that it's essentially a clone of dec_bdi_stat().


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