+ {
+ 'cmd': 'fs subvolume info '
+ 'name=vol_name,type=CephString '
+ 'name=sub_name,type=CephString '
+ 'name=group_name,type=CephString,req=false ',
+ 'desc': "Get the metadata of a CephFS subvolume in a volume, "
+ "and optionally, in a specific subvolume group",
+ 'perm': 'r'
+ },