Wang, > 1. First to search inline extent_data > 2. Secondly search in extent tree to calculate (extent refs=1) but these extents will be of entire fs, how do you filter it for a subvol ? Thanks, Anand > This will avoid n*n rather than n+n which is better… -- 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
