linux-kernel - [PATCH 3/5] hugetlbfs: remove cancel_dirty_page() from truncate_huge

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Message-ID: <20130708095210.13810.6106.stgit@zurg>
Date:	Mon, 08 Jul 2013 13:52:10 +0400
From:	Konstantin Khlebnikov <khlebnikov@...nvz.org>
To:	linux-mm@...ck.org, Andrew Morton <akpm@...ux-foundation.org>
Cc:	linux-kernel@...r.kernel.org,
	Nadia Yvette Chambers <nyc@...omorphy.com>
Subject: [PATCH 3/5] hugetlbfs: remove cancel_dirty_page() from
 truncate_huge_page()

There is no backend and writeback, dirty pages accounting is disabled.
ClearPageDirty() more suits for this place.

Signed-off-by: Konstantin Khlebnikov <khlebnikov@...nvz.org>
Cc: Nadia Yvette Chambers <nyc@...omorphy.com>
---
 fs/hugetlbfs/inode.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c
index a3f868a..548badf 100644
--- a/fs/hugetlbfs/inode.c
+++ b/fs/hugetlbfs/inode.c
@@ -323,7 +323,7 @@ static int hugetlbfs_write_end(struct file *file, struct address_space *mapping,
 
 static void truncate_huge_page(struct page *page)
 {
-	cancel_dirty_page(page, /* No IO accounting for huge pages? */0);
+	ClearPageDirty(page);
 	ClearPageUptodate(page);
 	delete_from_page_cache(page);
 }

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