Re:

On Thu, Dec 15, 2011 at 9:18 PM, Swapnil Gaikwad <swapnilgaik72@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