Function vnodeStats

xfs/parse.go:374–401

VnodeStats builds a VnodeStats from a slice of uint32s.

(us []uint32)

// VnodeStats builds a VnodeStats from a slice of uint32s.
func vnodeStats(us []uint32) (VnodeStats, error) {
	// The attribute "Free" appears to not be available on older XFS
	// stats versions.  Therefore, 7 or 8 elements may appear in
	// this slice.
	l := len(us)
	if l != 7 && l != 8 {
		return VnodeStats{}, fmt.Errorf("incorrect number of values for XFS vnode stats: %d", l)
	}

	s := VnodeStats{
		Active:   us[0],
		Allocate: us[1],
		Get:      us[2],
		Hold:     us[3],
		Release:  us[4],
		Reclaim:  us[5],
		Remove:   us[6],
	}

	// Skip adding free, unless it is present. The zero value will
	// be used in place of an actual count.
	if l == 7 {
		return s, nil
	}

	s.Free = us[7]
	return s, nil
}

// BufferStats builds a BufferStats from a slice of uint32s.
func bufferStats(us []uint32) (BufferStats, error) {