linux-kernel - [PATCH] mm/page-writeback: export account_page

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Message-Id: <1260308519-16899-1-git-send-email-yehuda@hq.newdream.net>
Date:	Tue,  8 Dec 2009 13:41:59 -0800
From:	Yehuda Sadeh <yehuda@...newdream.net>
To:	linux-mm@...ck.org
Cc:	Yehuda Sadeh <yehuda@...newdream.net>,
	linux-kernel@...r.kernel.org, sage@...dream.net
Subject: [PATCH] mm/page-writeback: export account_page_dirtied()

The ceph filesystem implementation of set_page_dirty is based on
__set_page_dirty_nobuffers(), and needs to use account_page_dirtied(). It
uses its own implementation as it needs to set the page private bit and
value under the tree lock. This exports it using EXPORT_SYMBOL_GPL.

Signed-off-by: Yehuda Sadeh <yehuda@...newdream.net>
---
 mm/page-writeback.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index a3b1409..4f8412a 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -1095,6 +1095,7 @@ void account_page_dirtied(struct page *page, struct address_space *mapping)
 		task_io_account_write(PAGE_CACHE_SIZE);
 	}
 }
+EXPORT_SYMBOL_GPL(account_page_dirtied);
 
 /*
  * For address_spaces which do not use buffers.  Just tag the page as dirty in
-- 
1.5.6.5

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