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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
