[CRIU] [PATCH 0/6 V2] p.haul: handle multiple disks containers migration

[Nikita Spiridonov]

Add multiple disks migration support to ploop fs hauler and vz module.

change --fdfs argument semantics to handle multiple disks. Now for
Virtuozzo module --fdfs option accept list of active ploop deltas
with corresponding sockets. Preserve old name for --fdfs argument,
not sure if we have to rename it.

v2
Split first patch from original patchset.

Nikita Spiridonov (6):
  p.haul: change fs receiver interface
  p.haul: add helper methods to fs hauler/receiver needed to handle
    multiple disks
  p.haul: handle multiple disks in ploop fs hauler
  p.haul: remove unused util.path_to_fs function
  p.haul: change --fdfs argument semantics to handle multiple disks
  p.haul: fix --fdfs argument processing in p.haul-wrap.py

 p.haul                 |    6 +-
 p.haul-wrap            |   10 ++---
 phaul/args_parser.py   |    5 +-
 phaul/connection.py    |   18 ++++----
 phaul/fs_haul_ploop.py |  101 ++++++++++++++++++++++++++++++++++++++---------
 phaul/iters.py         |    2 +-
 phaul/p_haul_docker.py |    4 +-
 phaul/p_haul_lxc.py    |    4 +-
 phaul/p_haul_pid.py    |    4 +-
 phaul/p_haul_vz.py     |   68 +++++++++++++++++++-------------
 phaul/service.py       |   13 +++---
 phaul/util.py          |   12 ------
 12 files changed, 154 insertions(+), 93 deletions(-)