By default, 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. -
【 在 iwannabe (I wanna be) 的大作中提到: 】 : By default, 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 : ................... -- FROM 49.7.21.*