Method readFilesystemStats

btrfs/get.go:224–255

readFilesystemStats reads Btrfs statistics for a filesystem.

()

// readFilesystemStats reads Btrfs statistics for a filesystem.
func (r *reader) readFilesystemStats() (s *Stats) {
	// First get disk info, and add it to reader
	devices := r.readDeviceInfo("devices")
	r.devCount = len(devices)

	s = &Stats{
		// Read basic filesystem information
		Label:          r.readFile("label"),
		UUID:           r.readFile("metadata_uuid"),
		Features:       r.listFiles("features"),
		CloneAlignment: r.readValue("clone_alignment"),
		NodeSize:       r.readValue("nodesize"),
		QuotaOverride:  r.readValue("quota_override"),
		SectorSize:     r.readValue("sectorsize"),

		// Device info
		Devices: devices,

		// Read allocation data
		Allocation: Allocation{
			GlobalRsvReserved: r.readValue("allocation/global_rsv_reserved"),
			GlobalRsvSize:     r.readValue("allocation/global_rsv_size"),
			Data:              r.readAllocationStats("allocation/data"),
			Metadata:          r.readAllocationStats("allocation/metadata"),
			System:            r.readAllocationStats("allocation/system"),
		},

		// Read commit stats data
		CommitStats: r.readCommitStats("commit_stats"),
	}
	return
}

// readCommitStats returns the commit_stats information for commit stats metrics.
func (r *reader) readCommitStats(p string) CommitStats {