VerFS

Simple versioning file system as Linux kernel module.

Usage example

Once this Kernel module is loaded, every file deletion operation will create a backup copy:

  $ touch new
  $ rm new
  $ ls new*
  new#1

How this stuff works

This Kernel module patches sys_call_table by replacing open and unlink system calls with customized versions.

Requirements

1. Kernel >= 2.6.7
2. Kernel sources placed in /usr/src/linux-<version>
3. GCC

Installation

make && make install

Loading module

modprobe verfs

Unloading module

rmmod verfs