teraWeb/backend/internal/storage/capacity/free_linux.go

//go:build linux

package capacity

import "golang.org/x/sys/unix"

func filesystemFreeBytes(path string) (int64, error) {
	var stat unix.Statfs_t
	if err := unix.Statfs(path, &stat); err != nil {
		return 0, err
	}
	return int64(stat.Bavail) * int64(stat.Bsize), nil
}