On Wed, Oct 24, 2018 at 09:15:34AM -0400, Theodore Y. Ts'o wrote: > At least for ext4, the primary problem is that we want to use a 64-bit > telldir/seekdir cookie if all 64-bits will make it to user space, and > a 32-bit telldir cookie if only 32 bits will make it userspace. This > impacts NFS as well because if there are people who are still using > NFSv2, which has 32-bit directory offsets, we need to constrain the > telldir/seekdir cookies we give to NFS to be a 32 has as opposed to a > 64-bit hash.
Are there anyone still using NFSv2, BTW? One way of making the problem *much* easier to sovle would be to drop NFSv2 support. :-) - Ted