From 293f7e07405a63975cee4e95a2cfa0c17b34b3aa Mon Sep 17 00:00:00 2001 From: Li Zefan Date: Tue, 10 Jul 2012 00:58:58 -0600 Subject: Btrfs: zero unused bytes in inode item The otime field is not zeroed, so users will see random otime in an old filesystem with a new kernel which has otime support in the future. The reserved bytes are also not zeroed, and we'll have compatibility issue if we make use of those bytes. Signed-off-by: Li Zefan --- fs/btrfs/delayed-inode.c | 1 + 1 file changed, 1 insertion(+) (limited to 'fs/btrfs/delayed-inode.c') diff --git a/fs/btrfs/delayed-inode.c b/fs/btrfs/delayed-inode.c index 21d91a8073e..335605c8cea 100644 --- a/fs/btrfs/delayed-inode.c +++ b/fs/btrfs/delayed-inode.c @@ -62,6 +62,7 @@ static inline void btrfs_init_delayed_node( INIT_LIST_HEAD(&delayed_node->n_list); INIT_LIST_HEAD(&delayed_node->p_list); delayed_node->bytes_reserved = 0; + memset(&delayed_node->inode_item, 0, sizeof(delayed_node->inode_item)); } static inline int btrfs_is_continuous_delayed_item( -- cgit v1.2.3