glfs_free releases different types of data depends on memory type. Drop the depends of memory type of memory accounting, new macro GLFS_CALLOC/GLFS_MALLOC/GLFS_REALLOC/GLFS_FREE are added to support assign release function dynamically, it adds a separate memory header named glfs_mem_header for gfapi. Updates: #312 Change-Id: Ie608e5227cbaa05d3f4681a515e83a50d5b17c3f Signed-off-by: Kinglong Mee <mijinlong@open-fs.com> Reviewed-on: https://review.gluster.org/18092 Smoke: Gluster Build System <jenkins@build.gluster.org> Reviewed-by: Niels de Vos <ndevos@redhat.com> Tested-by: Niels de Vos <ndevos@redhat.com> Reviewed-by: Jeff Darcy <jeff@pl.atyp.us> CentOS-regression: Gluster Build System <jenkins@build.gluster.org>