Messages in this thread Patch in this message | | | From | Chao Yu <> | Subject | [PATCH 1/4] f2fs: fix to clear private data in page | Date | Fri, 29 Apr 2016 20:09:15 +0800 |
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From: Chao Yu <yuchao0@huawei.com>
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> --- 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
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