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authorChao Yu <yuchao0@huawei.com>2016-04-29 20:09:15 +0800
committerJaegeuk Kim <jaegeuk@kernel.org>2016-05-03 11:20:05 -0700
commit23dc974eed576b2464b222a892272073adf6a92c (patch)
treef94695740e1865fe2e1eb4f2fd07353d6fb61600
parentfe216c7a0ff993cdac885109d8544ba02e6f9127 (diff)
downloadlinux-23dc974eed576b2464b222a892272073adf6a92c.tar.gz
f2fs: fix to clear private data in page
Private data in page should be removed during ->releasepage or
->invalidatepage, otherwise garbage data would be remained in that page.

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
-rw-r--r--fs/f2fs/data.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 38ce5d6f8583..888f1781ae0b 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -1723,6 +1723,7 @@ void f2fs_invalidate_page(struct page *page, unsigned int offset,
 	if (IS_ATOMIC_WRITTEN_PAGE(page))
 		return;
 
+	set_page_private(page, 0);
 	ClearPagePrivate(page);
 }
 
@@ -1736,6 +1737,7 @@ int f2fs_release_page(struct page *page, gfp_t wait)
 	if (IS_ATOMIC_WRITTEN_PAGE(page))
 		return 0;
 
+	set_page_private(page, 0);
 	ClearPagePrivate(page);
 	return 1;
 }