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

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