mkfs/lts_4.19.conf

# V5 features that were the mkfs defaults when the upstream Linux 4.19 LTS
# kernel was released at the end of 2018.

[metadata]
nrext64=0
bigtime=0
crc=1
finobt=1
inobtcount=0
reflink=0
rmapbt=0

[inode]
sparse=1