summaryrefslogtreecommitdiff
path: root/fs/f2fs
diff options
context:
space:
mode:
authorChao Yu <chao2.yu@samsung.com>2015-05-18 18:00:06 +0800
committerJaegeuk Kim <jaegeuk@kernel.org>2015-06-01 16:21:00 -0700
commitcb5c94cf3a825a0b64ae84516e7dd5c8a59befe6 (patch)
treeb1840f3fb0e95caa616cf801c6518f9e68c5f482 /fs/f2fs
parentcfc4d971df411c68e27d903f749e0f6fffd9da40 (diff)
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>
Diffstat (limited to 'fs/f2fs')
-rw-r--r--fs/f2fs/segment.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index e0821d2c39e4..7254c11344be 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -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);
}