On Tue, Feb 25, 2014 at 02:15:12PM +0000, Filipe David Borba Manana wrote: > We don't need to have an unsigned int field in the extent_map struct > to tell us whether the extent map is in the inode's extent_map tree or > not. We can use the rb_node struct field and the RB_CLEAR_NODE and > RB_EMPTY_NODE macros to achieve the same task. > > This reduces sizeof(struct extent_map) from 152 bytes to 144 bytes (on a > 64 bits system). > > Signed-off-by: Filipe David Borba Manana <fdmanana@xxxxxxxxx> Reviewed-by: David Sterba <dsterba@xxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
