bdrv_reopen_prepare() assumes that all BDS options are strings, which is not necessarily correct. This series introduces a new qobject_is_equal() function which can be used to test whether any options have changed, independently of their type.
v6: - Patch 2: Added corresponding Coccinelle rule [Eric] - Patch 6: - Added .gitignore entry [Eric] - Removed leading underscore [Markus] - Replaced test_equality() by check_equal()+check_unequal() [Markus] - Put type conversion (or rather non-conversion) tests into an own function [Markus] - Fixed a line > 80 characters git-backport-diff against v5: Key: [----] : 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 001/6:[----] [--] 'qapi/qnull: Add own header' 002/6:[0001] [FC] 'qapi/qlist: Add qlist_append_null() macro' 003/6:[----] [--] 'qapi: Add qobject_is_equal()' 004/6:[----] [--] 'block: qobject_is_equal() in bdrv_reopen_prepare()' 005/6:[----] [--] 'iotests: Add test for non-string option reopening' 006/6:[0097] [FC] 'tests: Add check-qobject for equality tests' Max Reitz (6): qapi/qnull: Add own header qapi/qlist: Add qlist_append_null() macro qapi: Add qobject_is_equal() block: qobject_is_equal() in bdrv_reopen_prepare() iotests: Add test for non-string option reopening tests: Add check-qobject for equality tests tests/Makefile.include | 4 +- include/qapi/qmp/qbool.h | 1 + include/qapi/qmp/qdict.h | 2 + include/qapi/qmp/qlist.h | 4 + include/qapi/qmp/qnull.h | 32 ++++ include/qapi/qmp/qnum.h | 1 + include/qapi/qmp/qobject.h | 21 ++- include/qapi/qmp/qstring.h | 1 + include/qapi/qmp/types.h | 1 + block.c | 29 ++-- qapi/qapi-clone-visitor.c | 1 + qapi/string-input-visitor.c | 1 + qobject/qbool.c | 8 + qobject/qdict.c | 29 ++++ qobject/qlist.c | 32 ++++ qobject/qnull.c | 11 +- qobject/qnum.c | 54 +++++++ qobject/qobject.c | 29 ++++ qobject/qstring.c | 9 ++ tests/check-qnull.c | 2 +- tests/check-qobject.c | 325 +++++++++++++++++++++++++++++++++++++++ scripts/coccinelle/qobject.cocci | 3 + tests/.gitignore | 1 + tests/qemu-iotests/133 | 9 ++ tests/qemu-iotests/133.out | 5 + 25 files changed, 589 insertions(+), 26 deletions(-) create mode 100644 include/qapi/qmp/qnull.h create mode 100644 tests/check-qobject.c -- 2.13.6