As of 2025 linux + ext4 has atomic single and multi block writes: https://docs.kernel.org/filesystems/ext4/atomic_writes.html https://docs.kernel.org/filesyste

As of 2025 linux + ext4 has atomic single and multi block writes: https://docs.kernel.org/filesystems/ext4/atomic_writes.html https://docs.kernel.org/filesystems/ext4/atomic_writes.html