[CRIU] [PATCH cr] [RFC] pstree: simplify access to pid, real_pid, born_sid

[Andrey Vagin]

New version of pstree_item looks like:
 struct pstree_item {
        struct list_head        list;
        union {
               struct pid      pid;            /* leader pid */
               u32 born_sid;
               struct pid {
                       u32 real_pid;
                       u32 pid;
               } cpt_pid;      /* leader pid */
               struct {
                       union {
                               u32 born_sid;
                               u32 real_pid;
                       };
                       u32 pid;
               };
        };
        struct pstree_item      *parent;

In this case we can use pi->pid instead of pi->pid.pid and so on...

Signed-off-by: Andrey Vagin <avagin at openvz.org>
---
 cr-dump.c         |   62 +++++++++++++++++++++++++-------------------------
 cr-restore.c      |   66 ++++++++++++++++++++++++++--------------------------
 cr-show.c         |    8 +++---
 files.c           |    4 +-
 include/crtools.h |   19 +++++++++------
 5 files changed, 81 insertions(+), 78 deletions(-)

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