The ext4-dont-check-before-replay.patch ldiskfs patch is broken since v6.0-rc4-47-g9c1dd22d74 due to an upstream code refactoring. The intent of that patch was to defer group descriptor verification until after journal recovery, in case the journal replay "repaired" the group descriptors and would have reported an error before this (e.g. checksum or filesystem resize).

This was originally added in patch https://review.whamcloud.com/21141 ("LU-8364 ext4: fixes for failover mode").