On Wed, Jan 4, 2012 at 4:53 AM, Swapnil Gaikwad <swapnilgaik72@gmail.com> wrote:

Is it is helpful to make some new datastructure that store the metadata of file in snapshot?

I would say you primarily want new instances of existing data structures. That is if need to track 10 different versions of a single file, then you may want 10 inodes and 10 sets of pointer blocks. Greg