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[disk] add an comment.

This commit is contained in:
shirou 2018-08-01 14:39:43 +09:00
parent 8b14be0b8b
commit 8048a2e9c5

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@ -50,6 +50,8 @@ func UsageWithContext(ctx context.Context, path string) (*UsageStat, error) {
if (ret.Used + ret.Free) == 0 { if (ret.Used + ret.Free) == 0 {
ret.UsedPercent = 0 ret.UsedPercent = 0
} else { } else {
// We don't use ret.Total to calculate percent.
// see https://github.com/shirou/gopsutil/issues/562
ret.UsedPercent = (float64(ret.Used) / float64(ret.Used+ret.Free)) * 100.0 ret.UsedPercent = (float64(ret.Used) / float64(ret.Used+ret.Free)) * 100.0
} }