How to locate path to a file from an inode number

As for Ext4 filesystem next command should help you:

$ sudo debugfs -R 'ncheck 393094' /dev/sda2 2>/dev/null

Answer source: http://unix.stackexchange.com/questions/35292/quickly-find-which-files-belongs-to-a-specific-inode-number#comment47948_35310