I am struggling hard for it.
and yes after that Dinner will be on me.

If that's a joke, I don't get it. Also, if it is a joke, stop reading here (or goto next_paragraphnaiksidd_85 wrote:not to offend any one but i will be more than happy if you help me create a FS by dinner......
I am struggling hard for it.
and yes after that Dinner will be on me.
I believe the post above yours was referring to the post (not by you) which said that a filesystem was extremely easy to design.If that's a joke, I don't get it.
If I'm writing data which includes one of those fields, I would set it to zero. If reading data (and possibly editing then writing again), I would use whatever value is already there, to enable upwards compatibility.Unrelated question: When you see something like "reserved (must be 0)" in a specification, what do you interpret it like: