btrfs

type Allocation struct {
	GlobalRsvReserved, GlobalRsvSize uint64
	Data, Metadata, System           *AllocationStats
}

type AllocationStats struct {
	// Usage statistics
	DiskUsedBytes    uint64
	DiskTotalBytes   uint64
	MayUseBytes      uint64
	PinnedBytes      uint64
	TotalPinnedBytes uint64
	ReadOnlyBytes    uint64
	ReservedBytes    uint64
	UsedBytes        uint64
	TotalBytes       uint64

	// Flags marking filesystem state
	// See Linux fs/btrfs/ctree.h for more information.
	Flags uint64

	// Additional disk usage statistics depending on the disk layout.
	// At least one of these will exist and not be nil.
	Layouts map[string]*LayoutUsage
}

type CommitStats struct {
	Commits       uint64
	LastCommitMs  uint64
	MaxCommitMs   uint64
	TotalCommitMs uint64
}

type Device struct {
	Size uint64
}

type FS struct {
	// contains filtered or unexported fields
}

type LayoutUsage struct {
	UsedBytes, TotalBytes uint64
	Ratio                 float64
}

type Stats struct {
	UUID, Label    string
	Allocation     Allocation
	Devices        map[string]*Device
	Features       []string
	CloneAlignment uint64
	NodeSize       uint64
	QuotaOverride  uint64
	SectorSize     uint64
	CommitStats    CommitStats
}