Google Summer of Code 2011
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harshadjs 1) Added _FILE_OFFSET_BITS feature test macro(for 32 bit support)
2) Fixed memory leaks (in create_lvmexport and snapshot_list)
3) Added check for already mounted LVs
4) Fixed help
5) Fixed indentation
Latest commit 70b8557 Oct 10, 2011


                   Extdev Restore Tool

This is Ext4 snapshot revert tool.

The implementation of snapshot feature in ext4 filesystem is under progress (at

This tool implements feature of 'Revert to specified snapshot' in Ext4 file system.

The tool exports ext4 snapshot to lvm snapshot format. This exported lvm volume is then merged into original ext4 volume by lvm userspace tools. Also, revert can take place without lvm userspace tools. In that case, the tool itself writes all the exceptions directly to the block device. This mode is useful for debugging purposes.

Installation instructions and Usage can be found on Github wiki page.