Snapshot in ext4

On Wed, Jan 4, 2012 at 4:53 AM, Swapnil Gaikwad [off-list ref] 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