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Fiona Ebner cfac5a963e block/qapi: include child references in block device info 
In combination with using a throttle filter to enforce IO limits for
a guest device, knowing the 'file' child of a block device can be
useful. If the throttle filter is only intended for guest IO, block
jobs should not also be limited by the throttle filter, so the
block operations need to be done with the 'file' child of the top
throttle node as the target. In combination with mirroring, the name
of that child is not fixed.

Another scenario is when unplugging a guest device after mirroring
below a top throttle node, where the mirror target is added explicitly
via blockdev-add. After mirroring, the target becomes the new 'file'
child of the throttle node. For unplugging, both the top throttle node
and the mirror target need to be deleted, because only implicitly
added child nodes are deleted automatically, and the current 'file'
child of the throttle node was explicitly added (as the mirror
target).

In other scenarios, it could be useful to follow the backing chain.

Note that iotests 191 and 273 use _filter_img_info, so the 'children'
information is filtered out there.

Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
Message-ID: <20250702123204.325470-2-f.ebner@proxmox.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2025-07-14 17:10:57 +02:00
..
acpi.json qapi: Tidy up run-together sentences in doc comments 2025-06-03 08:34:56 +02:00
audio.json qapi: Correct spelling of QEMU in doc comments 2025-06-03 08:34:56 +02:00
authz.json qapi: Reformat doc comments to conform to current conventions 2023-05-10 10:01:01 +02:00
block-core.json block/qapi: include child references in block device info 2025-07-14 17:10:57 +02:00
block-export.json qapi: Correct spelling of QEMU in doc comments 2025-06-03 08:34:56 +02:00
block.json qapi: Fix capitalization in doc comments 2025-06-03 08:34:57 +02:00
char.json qapi: Correct spelling of QEMU in doc comments 2025-06-03 08:34:56 +02:00
common.json hw/qdev-properties-system: Introduce EndianMode QAPI enum 2025-02-16 14:33:39 +01:00
compat.json qapi: Belatedly update CompatPolicy documentation for unstable 2023-10-19 07:02:29 +02:00
control.json qapi: use imperative style in documentation 2025-05-28 18:59:12 +02:00
crypto.json qapi: Tidy up whitespace in doc comments 2025-06-03 08:34:56 +02:00
cryptodev.json qapi: Fix capitalization in doc comments 2025-06-03 08:34:57 +02:00
cxl.json qapi: Fix capitalization in doc comments 2025-06-03 08:34:57 +02:00
dump.json qapi: Use proper markup instead of CAPS for emphasis in doc comments 2025-06-03 08:34:57 +02:00
ebpf.json qapi/ebpf: Drop temporary 'prefix' 2024-09-10 13:22:47 +02:00
error.json qapi: Reformat doc comments to conform to current conventions 2023-05-10 10:01:01 +02:00
introspect.json qapi: Correct spelling of QEMU in doc comments 2025-06-03 08:34:56 +02:00
job.json qapi: Improve documentation around job state @concluded 2025-06-03 08:34:57 +02:00
machine-common.json qapi/qom: Define cache enumeration and properties for machine 2024-11-05 23:32:25 +00:00
machine-s390x.json qapi: make s390x specific CPU commands unconditionally available 2025-05-28 18:56:08 +02:00
machine.json accel/tcg: Remove 'info opcount' and @x-query-opcount 2025-07-04 12:07:59 +02:00
meson.build qapi: make all generated files common 2025-05-28 18:56:08 +02:00
migration.json migration/postcopy: Add latency distribution report for blocktime 2025-07-11 10:37:39 -03:00
misc-arm.json qapi: expose query-gic-capability command unconditionally 2025-05-28 18:54:18 +02:00
misc-i386.json qapi: Fix capitalization in doc comments 2025-06-03 08:34:57 +02:00
misc.json qapi: Use proper markup instead of CAPS for emphasis in doc comments 2025-06-03 08:34:57 +02:00
net.json qapi: Avoid breaking lines within (since X.Y) 2025-06-03 08:34:56 +02:00
opts-visitor.c qapi: Inline and remove QERR_INVALID_PARAMETER definition 2024-04-24 09:50:58 +02:00
pci.json qapi/pci: Supply missing member documentation 2024-10-02 09:10:01 +02:00
pragma.json qapi: Document QCryptodevBackendServiceType 2024-10-02 09:10:01 +02:00
qapi-clone-visitor.c qapi: Move include/qapi/qmp/ to include/qobject/ 2025-02-10 15:33:16 +01:00
qapi-dealloc-visitor.c qapi: Move include/qapi/qmp/ to include/qobject/ 2025-02-10 15:33:16 +01:00
qapi-forward-visitor.c qapi: change 'unsigned special_features' to 'uint64_t features' 2025-02-10 15:45:04 +01:00
qapi-schema.json qapi: make s390x specific CPU commands unconditionally available 2025-05-28 18:56:08 +02:00
qapi-type-helpers.c qapi: New strv_from_str_list() 2024-03-04 07:12:40 +01:00
qapi-util.c qapi: change 'unsigned special_features' to 'uint64_t features' 2025-02-10 15:45:04 +01:00
qapi-visit-core.c qapi: change 'unsigned special_features' to 'uint64_t features' 2025-02-10 15:45:04 +01:00
qdev.json docs: Fix some typos (found by codespell and typos) 2025-04-13 13:45:04 +03:00
qmp-dispatch.c qapi: change 'unsigned special_features' to 'uint64_t features' 2025-02-10 15:45:04 +01:00
qmp-event.c qapi: Move include/qapi/qmp/ to include/qobject/ 2025-02-10 15:33:16 +01:00
qmp-registry.c qapi: change 'unsigned special_features' to 'uint64_t features' 2025-02-10 15:45:04 +01:00
qobject-input-visitor.c qapi: change 'unsigned special_features' to 'uint64_t features' 2025-02-10 15:45:04 +01:00
qobject-output-visitor.c qapi: change 'unsigned special_features' to 'uint64_t features' 2025-02-10 15:45:04 +01:00
qom.json i386/tdx: handle TDG.VP.VMCALL<GetQuote> 2025-06-20 13:25:59 +02:00
replay.json qapi: convert "Example" sections without titles 2024-07-17 10:20:53 +02:00
rocker.json qapi/rocker: Tidy up query-rocker-of-dpa-flows example 2025-04-08 09:04:20 +02:00
run-state.json qapi: Fix capitalization in doc comments 2025-06-03 08:34:57 +02:00
sockets.json util/qemu-sockets: Introduce inet socket options controlling TCP keep-alive 2025-05-22 11:24:41 +01:00
stats.json qapi: Refill doc comments to conform to conventions 2024-08-05 09:31:51 +02:00
string-input-visitor.c qapi: Move include/qapi/qmp/ to include/qobject/ 2025-02-10 15:33:16 +01:00
string-output-visitor.c string-output-visitor: Fix (pseudo) struct handling 2024-01-26 11:16:58 +01:00
tpm.json qapi: convert "Example" sections without titles 2024-07-17 10:20:53 +02:00
trace-events qapi: Generalize struct member policy checking 2021-10-29 18:23:09 +02:00
trace.h trace: switch position of headers to what Meson requires 2020-08-21 06:18:24 -04:00
trace.json qapi: convert "Example" sections without titles 2024-07-17 10:20:53 +02:00
transaction.json qapi: Fix capitalization in doc comments 2025-06-03 08:34:57 +02:00
uefi.json qapi: Correct spelling of QEMU in doc comments 2025-06-03 08:34:56 +02:00
ui.json qapi: Correct spelling of QEMU in doc comments 2025-06-03 08:34:56 +02:00
vfio.json qapi/vfio: Rename VfioMigrationState to Qapi*, and drop prefix 2024-09-10 14:03:45 +02:00
virtio.json qapi: use imperative style in documentation 2025-05-28 18:59:12 +02:00
yank.json qapi: convert "Example" sections without titles 2024-07-17 10:20:53 +02:00