XFS docker volume from sparse file

gistfile1.txt

root@ip-172-18-21-22:~# dd if=/dev/zero of=myxfs bs=1 count=0 seek=2G 
0+0 records in
0+0 records out
0 bytes copied, 0.000199112 s, 0.0 kB/s
root@ip-172-18-21-22:~# mkfs.xfs myxfs 
meta-data=myxfs                  isize=512    agcount=4, agsize=131072 blks
         =                       sectsz=512   attr=2, projid32bit=1
         =                       crc=1        finobt=1, sparse=0, rmapbt=0, reflink=0
data     =                       bsize=4096   blocks=524288, imaxpct=25
         =                       sunit=0      swidth=0 blks
naming   =version 2              bsize=4096   ascii-ci=0 ftype=1
log      =internal log           bsize=4096   blocks=2560, version=2
         =                       sectsz=512   sunit=0 blks, lazy-count=1
realtime =none                   extsz=4096   blocks=0, rtextents=0
root@ip-172-18-21-22:~# docker volume create -d local -o o=loop -o type=xfs -o device=/root/myxfs loopivol
loopivol