// Update reads usage and fs and updates the corresponding fields in DF.
func (md *DF) Update(fs sigar.FileSystem, usage sigar.FileSystemUsage) {
md.DevName.Update(fs.DevName)
md.DirName.Update(fs.DirName)
md.Free.Update(float64(usage.Free << 10))
md.Reserved.Update(float64((usage.Free - usage.Avail) << 10))
md.Total.Update(int64(usage.Total << 10))
md.Used.Update(float64(usage.Used << 10))
md.Avail.Update(int64(usage.Avail << 10))
md.UsePercent.Update(usage.UsePercent())
md.Inodes.Update(int64(usage.Files))
md.Iused.Update(int64(usage.Files - usage.FreeFiles))
md.Ifree.Update(int64(usage.FreeFiles))
if iusePercent := 0.0; usage.Files != 0 {
iusePercent = float64(100) * float64(usage.Files-usage.FreeFiles) / float64(usage.Files)
md.IusePercent.Update(iusePercent)
}
}
