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[Qemu-devel] [PATCH 0/4] block: Allow JSON filenames

From: Max Reitz
Subject: [Qemu-devel] [PATCH 0/4] block: Allow JSON filenames
Date: Tue, 6 May 2014 21:30:21 +0200

This series acts as some kind of alternative or v4 to the "block/json:
Add JSON protocol driver" series. It makes bdrv_open() parse filenames
prefixed by "json:" as JSON objects (discarding the prefix beforehand)
and then use the resulting QDict as the options for the block device to
be opened with a NULL filename.

The purpose of this is that it may sometimes be desirable to specify
options for a block device where only a filename can be given, e.g., for
backing files. Using this should obviously be the exception, but it is
nice to have if actually needed.

After having written this series, I do indeed agree that it is much
nicer than the old version of having a dedicated "virtual" block driver
for this purpose.

Patches 1, 2 and 4 are taken directly from the block/json v3 (see
backport-diff output).

git-backport-diff against [PATCH v3 00/12] block/json:

[----] : patches are identical
[####] : number of functional differences between upstream/downstream patch
[down] : patch is downstream-only
The flags [FC] indicate (F)unctional and (C)ontextual differences, respectively

001/4:[----] [--] 'qdict: Add qdict_join()'
002/4:[----] [--] 'check-qdict: Add test for qdict_join()'
003/4:[down] 'block: Allow JSON filenames'
004/4:[----] [-C] 'iotests: Add test for the JSON protocol'

Max Reitz (4):
  qdict: Add qdict_join()
  check-qdict: Add test for qdict_join()
  block: Allow JSON filenames
  iotests: Add test for the JSON protocol

 block.c                    |  41 +++++++++++++++
 include/qapi/qmp/qdict.h   |   3 ++
 qobject/qdict.c            |  32 ++++++++++++
 tests/check-qdict.c        |  87 ++++++++++++++++++++++++++++++++
 tests/qemu-iotests/089     | 123 +++++++++++++++++++++++++++++++++++++++++++++
 tests/qemu-iotests/089.out |  39 ++++++++++++++
 tests/qemu-iotests/group   |   1 +
 7 files changed, 326 insertions(+)
 create mode 100755 tests/qemu-iotests/089
 create mode 100644 tests/qemu-iotests/089.out


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