Add comment to clarify mount_slash peer connections (cscope friendly as well).
Add comment to clarify mount_slash peer connections (cscope friendly as well).

pscedu/slash2-stable,pscedu/slash2-stable,pscedu/slash2-stable,pscedu/slash2-stable,pscedu/slash2-stable,pscedu/slash2-stable,pscedu/slash2-stable