Download patch
ref: d1f4f6d1631975e7d01ef8d471188f3a8d26e93d parent: c5f8d135cf3555404f1c4df5617f94f4fc2bac87 author: Fangrui Song <i@maskray.me> date: Sat Nov 17 17:39:12 EST 2018
Fix jbd_commit_header::chksum_{type,size}