[f2fs-dev] [PATCH] f2fs: avoid to left uninitialized data in page whenread inline data

From: Chao Yu
Date: Sat Dec 28 2013 - 07:56:23 EST

We left uninitialized data in the tail of page when we read an inline data
page. So let's initialize left part of the page excluding inline data region.

Signed-off-by: Chao Yu <chao2.yu@xxxxxxxxxxx>
fs/f2fs/inline.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/fs/f2fs/inline.c b/fs/f2fs/inline.c
index 0e940ce..eebda9b 100644
--- a/fs/f2fs/inline.c
+++ b/fs/f2fs/inline.c
@@ -48,8 +48,7 @@ int f2fs_read_inline_data(struct inode *inode, struct page *page)
if (IS_ERR(ipage))
return PTR_ERR(ipage);

- zero_user_segment(page, INLINE_DATA_OFFSET,
+ zero_user_segment(page, MAX_INLINE_DATA, PAGE_CACHE_SIZE);

/* Copy the whole inline data block */
src_addr = inline_data_addr(ipage);

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