> The version I did see, did right shift by 6. > > This is a division by 64 I had to do "ino >> 6" in order to recover the block number that was encoded with "block << 6". An archived version of the patch from May 24 is here: http://www.uwsg.indiana.edu/hypermail/linux/kernel/0405.3/0116.html Searching for ">> 6" will quickly take you to lines in question.