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Groups > linux.kernel > #1391061
| From | Chao Yu <chao@kernel.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH 1/4] f2fs: fix to clear private data in page |
| Date | 2016-04-29 14:20 +0200 |
| Message-ID | <rtfyP-5Os-33@gated-at.bofh.it> (permalink) |
| Organization | linux.* mail to news gateway |
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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[PATCH 1/4] f2fs: fix to clear private data in page Chao Yu <chao@kernel.org> - 2016-04-29 14:20 +0200
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