linux-kernel - Re: [PATCH 2/2] writeback: elevate queue_io() into wb

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Message-ID: <20110504111722.GB19261@infradead.org>
Date:	Wed, 4 May 2011 07:17:22 -0400
From:	Christoph Hellwig <hch@...radead.org>
To:	Wu Fengguang <fengguang.wu@...el.com>
Cc:	Christoph Hellwig <hch@...radead.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Jan Kara <jack@...e.cz>, Mel Gorman <mel@...ux.vnet.ibm.com>,
	Dave Chinner <david@...morbit.com>,
	Trond Myklebust <Trond.Myklebust@...app.com>,
	Itaru Kitayama <kitayama@...bb4u.ne.jp>,
	Minchan Kim <minchan.kim@...il.com>,
	LKML <linux-kernel@...r.kernel.org>,
	"linux-fsdevel@...r.kernel.org" <linux-fsdevel@...r.kernel.org>,
	Linux Memory Management List <linux-mm@...ck.org>
Subject: Re: [PATCH 2/2] writeback: elevate queue_io() into wb_writeback()

On Wed, May 04, 2011 at 07:15:47PM +0800, Wu Fengguang wrote:
> > This should move to writeback_inodes_wb and be unconditional as
> > wb_writeback already always initializes it.
> 
> Never mind :) wbc->wb_start has been killed in a later patch named
> "writeback: avoid extra sync work at enqueue time".

Even better.  I was already wondering why we'd need two different
jiffies and jiffies + offset value in the writeback code.

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