On Mon, Nov 19, 2018 at 12:16:50PM +0300, alexey.lyashkov@xxxxxxxxx wrote: > > journal checksum v1 cover an all blocks in journal descriptor. > This checksum stored into commit block and check with commit > block reading. I'm really curious --- why do you care about journal_checksum v1 at all? It rarely used, and the journal_checksum v3 is much superior. - Ted