===== git log ====
commit 4c74d7ffb61d5e1d747e60ee51937126edd6ba54
Author: Amar Tumballi <amarts@redhat.com>
Date:   Thu Jan 18 10:31:38 2018 +0530

    protocol: utilize the version 4 xdr
    
    updates #384
    
    Change-Id: Id80bf470988dbecc69779de9eb64088559cb1f6a
    Signed-off-by: Amar Tumballi <amarts@redhat.com>

commit 14555df7c6bc74622eb2283ded1c1f10980180ce
Author: Soumya Koduri <skoduri@redhat.com>
Date:   Wed Jan 10 15:01:59 2018 +0530

    gfapi : New APIs have been added to use lease feature in gluster
    
    Following APIs glfs_h_lease(), glfs_lease() added, so that gfapi applications
    can set and get lease which enables more efficient client side caching.
    
    Updates: #350
    Change-Id: Iede85be9af1d4df969b890d0937ed0afa4ca6596
    Signed-off-by: Poornima G <pgurusid@redhat.com>
    Signed-off-by: Soumya Koduri <skoduri@redhat.com>
    Signed-off-by: Jiffin Tony Thottan <jthottan@redhat.com>

commit a32ff73c06e1e14589817b1701c1c8d0f05aaa04
Author: Atin Mukherjee <amukherj@redhat.com>
Date:   Mon Jan 29 10:23:52 2018 +0530

    glusterd: optimize glusterd import volumes code path
    
    In case there's a version mismatch detected for one of the volumes
    glusterd was ending up with updating all the volumes which is a
    overkill.
    
    >mainline patch : https://review.gluster.org/#/c/19358/
    
    Change-Id: I6df792db391ce3a1697cfa9260f7dbc3f59aa62d
    BUG: 1540554
    Signed-off-by: Atin Mukherjee <amukherj@redhat.com>
    (cherry picked from commit bb34b07fd2ec5e6c3eed4fe0cdf33479dbf5127b)

commit fe2f1c995371444a2695994a700c0a6287eadd20
Author: Kaleb S. KEITHLEY <kkeithle@redhat.com>
Date:   Fri Jan 20 11:11:46 2017 -0500

    core: remove experimental xlators and associated tests
    

More commit messages for this ChangeLog can be found at
https://forge.gluster.org/glusterfs-core/glusterfs/commits/v4.0.0rc0
