[PATCH v7 0/4] colo: Add support for continuous replication

[Lukas Straub <lukasstraub2@web.de>]

Hello Everyone,
These Patches add support for continuous replication to colo. This means
that after the Primary fails and the Secondary did a failover, the Secondary
can then become Primary and resume replication to a new Secondary.

Regards,
Lukas Straub

v7:
 - clarify meaning of ip's in documentation and note that active and hidden
   images just need to be created once
 - reverted removal of bdrv_is_root_node(top_bs) in replication and adjusted
   the top-id= parameter in documentation acordingly

v6:
 - documented the position= and insert= options
 - renamed replication test
 - clarified documentation by using different ip's for primary and secondary
 - added Reviewed-by tags

v5:
 - change syntax for the position= parameter
 - fix spelling mistake

v4:
 - fix checkpatch.pl warnings

v3:
 - add test for replication changes
 - check if the filter to be inserted before/behind belongs to the same interface
 - fix the error message for the position= parameter
 - rename term "after" -> "behind" and variable "insert_before" -> "insert_before_flag"
 - document the quorum node on the secondary side
 - simplify quorum parameters in documentation
 - remove trailing spaces in documentation
 - clarify the testing procedure in documentation

v2:
 - fix email formating
 - fix checkpatch.pl warnings
 - fix patchew error
 - clearer commit messages


Lukas Straub (4):
  block/replication.c: Ignore requests after failover
  tests/test-replication.c: Add test for for secondary node continuing
    replication
  net/filter.c: Add Options to insert filters anywhere in the filter
    list
  colo: Update Documentation for continuous replication

 block/replication.c        |  35 +++++-
 docs/COLO-FT.txt           | 224 +++++++++++++++++++++++++++----------
 docs/block-replication.txt |  28 +++--
 include/net/filter.h       |   2 +
 net/filter.c               |  92 ++++++++++++++-
 qemu-options.hx            |  31 ++++-
 tests/test-replication.c   |  52 +++++++++
 7 files changed, 389 insertions(+), 75 deletions(-)

--
2.20.1