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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>
This commit is contained in:
Chao Yu 2016-04-29 20:09:15 +08:00 committed by Jaegeuk Kim
parent fe216c7a0f
commit 23dc974eed
1 changed files with 2 additions and 0 deletions
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2
fs/f2fs/data.c
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@ -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;
}