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[Qemu-devel] [PATCH V3 0/3] Show backing file ancestors count in HMP

From: benoit . canet
Subject: [Qemu-devel] [PATCH V3 0/3] Show backing file ancestors count in HMP
Date: Wed, 25 Jul 2012 14:36:02 +0200

From: Benoît Canet <address@hidden>

In some setups many backing files and snapshot are chained.
This lead to the formation of huge trees of snapshots all depending
on a common ancestor.

Hence if something bad happen to this common ancestor all the snapshot
of the tree will be broken.

This patch add an easy way for the user to monitor backing file ancestors
count and take the good decision (streaming).

in v2:

lcapitulino: -Fix typo in qapi-schema.json
             -rename *file_ancestors_count to

in v3:

kwolf: qapi-schema.json backing_file_ancestors_count field not optional
       Add a (since 1.2) comment
       keep display in HMP optional

Benoît Canet (3):
  block: create bdrv_get_backing_file_ancestors_count()
  block: Use bdrv_get_backing_file_ancestors_count()
  hmp: show the backing file ancestors count

 block.c          |   16 ++++++++++++++++
 block.h          |    1 +
 hmp.c            |    2 ++
 qapi-schema.json |    9 ++++++---
 4 files changed, 25 insertions(+), 3 deletions(-)


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