[Greg Freemyer]

On Thu, Dec 15, 2011 at 9:18 PM, Swapnil Gaikwad
<swapnilgaik72 at gmail.com> wrote:
> Hi ,
>     Tell me procedure or system call for-
>     How to copy metadata of all files in a ext4 filesystem.
>
> --
>    Regards,
>
> Swapnil Gaikwad.

Not sure what you're asking.

But there is a userspace tool for creating a sparse copy of a ext4 filesystem.

It allows that sparse copy to be sent to a developer for diagnostic /
troubleshooting purposes.

Is that the sort of thing you want?

Greg