From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chao Yu Subject: [PATCH 1/4] f2fs: fix to clear private data in page Date: Fri, 29 Apr 2016 20:09:15 +0800 Message-ID: <1461931755-3120-1-git-send-email-chao@kernel.org> Return-path: Sender: linux-kernel-owner@vger.kernel.org To: jaegeuk@kernel.org Cc: linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org, Chao Yu List-Id: linux-f2fs-devel.lists.sourceforge.net From: Chao Yu 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 --- fs/f2fs/data.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index 38ce5d6..888f178 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; } -- 2.7.2