go-ceph/cephfs/admin/bytecount.go

// +build !luminous,!mimic

package admin

// ByteCount represents the size of a volume in bytes.
type ByteCount uint64

// SI byte size constants. keep these private for now.
const (
	kibiByte ByteCount = 1024
	mebiByte           = 1024 * kibiByte
	gibiByte           = 1024 * mebiByte
	tebiByte           = 1024 * gibiByte
)

// resizeValue returns a size value as a string, as needed by the subvolume
// resize command json.
func (bc ByteCount) resizeValue() string {
	return uint64String(uint64(bc))
}

// QuotaSize interface values can be used to change the size of a volume.
type QuotaSize interface {
	resizeValue() string
}

// specialSize is a custom non-numeric quota size value.
type specialSize string

// resizeValue for a specialSize returns the original string value.
func (s specialSize) resizeValue() string {
	return string(s)
}

// Infinite is a special QuotaSize value that can be used to clear size limits
// on a subvolume.
const Infinite = specialSize("infinite")