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 <[email protected]>
---
fs/f2fs/segment.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 16aa66e..bdf874a 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -504,7 +504,7 @@ 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);
}
--
2.3.3