Remove unused PT functions

Signed-off-by: Allison Henderson <achender@linux.vnet.ibm.com>
GPFS allows users to take ownership of file if the ACL allows CHOWN for
that user.

Ported from 1.5: 5756e36ba9b1925b3a7bab9f1bee804c26390cc6

Signed-off-by: Srikrishan Malik <srimalik@in.ibm.com>
When returning list of available exports,
don't add the exports which are not accessible to requesting client

Ported from 1.5: 719ee47f03409dd51fbcb80663081679e0afbc52

Signed-off-by: suhrud <supatank@in.ibm.com>
Merge branch 'tp/showmount_S1050937' into ibm_next_20_tmp
use https instead of http in .gitmodules
Merge branch 'tp/showmount_S1050937' into ibm_next_20_tmp
Merge branch 'tp/fix_submodule' into ibm_next_20_tmp