linux-kernel - Re: [PATCH 00/35] IO-less dirty throttling v4

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Message-ID: <20101214045948.GA12454@localhost>
Date:	Tue, 14 Dec 2010 12:59:48 +0800
From:	Wu Fengguang <fengguang.wu@...el.com>
To:	"Yan, Zheng" <zheng.z.yan@...ux.intel.com>,
	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Jan Kara <jack@...e.cz>, "Wu, Fengguang" <fengguang.wu@...el.com>,
	Christoph Hellwig <hch@....de>,
	Trond Myklebust <Trond.Myklebust@...app.com>,
	Dave Chinner <david@...morbit.com>,
	Theodore Ts'o <tytso@....edu>,
	Chris Mason <chris.mason@...cle.com>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Mel Gorman <mel@....ul.ie>, Rik van Riel <riel@...hat.com>,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	Greg Thelen <gthelen@...gle.com>,
	Minchan Kim <minchan.kim@...il.com>,
	linux-mm <linux-mm@...ck.org>,
	"linux-fsdevel@...r.kernel.org" <linux-fsdevel@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 00/35] IO-less dirty throttling v4

On Tue, Dec 14, 2010 at 11:26:29AM +0800, Yan, Zheng wrote:
> got error "global_dirty_limits" [fs/nfs/nfs.ko] undefined! when
> compiling dirty-throttling-v4

Thanks! This should fix it. The fix will show up in the git tree after a while.

Thanks,
Fengguang
---
Subject: writeback: export global_dirty_limits() for NFS
Date: Tue Dec 14 12:55:18 CST 2010

"global_dirty_limits" [fs/nfs/nfs.ko] undefined!

Reported-by: Yan Zheng <zheng.z.yan@...ux.intel.com>
Signed-off-by: Wu Fengguang <fengguang.wu@...el.com>
---
 mm/page-writeback.c |    1 +
 1 file changed, 1 insertion(+)

--- linux-next.orig/mm/page-writeback.c	2010-12-14 12:54:57.000000000 +0800
+++ linux-next/mm/page-writeback.c	2010-12-14 12:55:11.000000000 +0800
@@ -419,6 +419,7 @@ void global_dirty_limits(unsigned long *
 	*pbackground = background;
 	*pdirty = dirty;
 }
+EXPORT_SYMBOL_GPL(global_dirty_limits);
 
 /**
  * bdi_dirty_limit - @bdi's share of dirty throttling threshold
--
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