package fsutil import ( "syscall" "golang.org/x/xerrors" ) func Statfs(path string) (FsStat, error) { var stat syscall.Statfs_t if err := syscall.Statfs(path, &stat); err != nil { return FsStat{}, xerrors.Errorf("statfs: %w", err) } return FsStat{ Capacity: int64(stat.Blocks) * int64(stat.Bsize), Available: int64(stat.Bavail) * int64(stat.Bsize), }, nil }