Commit cb5c94cf authored May 18, 2015 by Chao Yu Committed by Jaegeuk Kim Jun 01, 2015

f2fs crypto: zero next free dnode block



Now page cache of meta inode is used by garbage collection for encrypted page,
it may contain random data, so we should zero it before issuing discard.

Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

parent cfc4d971

fs/f2fs/segment.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -519,7 +519,7 @@ void discard_next_dnode(struct f2fs_sb_info *sbi, block_t blkaddr)

		if (err) {
		struct page *page = grab_meta_page(sbi, blkaddr);
		/* zero-filled page */
		memset(page_address(page), 0, F2FS_BLKSIZE);
		set_page_dirty(page);
		f2fs_put_page(page, 1);
		}