Bug#867895: closed by tytso@mit.edu (Theodore Y. Ts'o) (Bug#867895: fixed in e2fsprogs 1.43.5-1)

[Askar Safin]

Thanks, but https://www.kernel.org/doc/Documentation/filesystems/ext4.txt seems 
still to contain bug. If you want, I will send separate bug report to kernel 
bugzilla