Linux command ’mkfs.xfs‘ – will create reference count btrees and therefore will enable the reflink feature. This feature is only available for filesystems created with the (default) -m crc=1 option set when the option -m crc=0 is used, the reference count btree feature is not supported and reflink is disabled
# mkfs.xfs -b size=4096 -m reflink=1,crc=1 /dev/sdb1
Explained in conjunction with Veeam Backup & Replication
