There is an unanswered question at stackexchange: http://unix.stackexchange.com/q/303130/41572 Assume that we don't invoke mount options like nodatacow and nodatasum - operate only at file attributes level, which are controlled with lsattr/chattr. So does setting No_COW on a file (chattr +C) imply disabling data checksumming on it? The same way as mount options behave (nodatacow implies nodatasum)? Moreover may it disable checksumming only for newly written extents and keep for reading existing ones? -- 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
