Files
qemu/tests/qemu-iotests/220.out
T
Marc-André Lureau 3c0c7bfeba qemu-io: propagate errors through Error API instead of printf
Convert the qemu-io command infrastructure to use QEMU's Error API
(Error **errp) for error propagation instead of printing directly to
stdout/stderr via printf/fprintf.

The cfunc_t typedef, all ~35 command functions, the dispatcher chain
(command/init_check_command/qemuio_command), and helper functions
(parse_pattern, create_iovec, qemu_io_alloc_from_file) all gain an
Error **errp parameter. Async completion callbacks (aio_read_done,
aio_write_done, aio_discard_done) use error_report() since they have
no Error path back to the caller.

Update tests:
- error_report_err() prepends qemu-io: prefix
- copy-before-write: check the HMP return value, rather than stdio
- other tests: update to check JSON {"return": "Error: error text"}

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-ID: <20260828-qemu-no-hmp-v5-21-9227de146347@redhat.com>
2026-08-29 12:07:44 +04:00

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QA output created by 220
== Creating huge file ==
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=564049465049088
== Populating refcounts ==
wrote 2097152/2097152 bytes at offset 4194304
2 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote 2097152/2097152 bytes at offset 8388608
2 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote 2097152/2097152 bytes at offset 10485760
2 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote 2097152/2097152 bytes at offset 12582912
2 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote 2097152/2097152 bytes at offset 14680064
2 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote 2097152/2097152 bytes at offset 16777216
2 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote 2097152/2097152 bytes at offset 18874368
2 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote 2097152/2097152 bytes at offset 20971520
2 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote 2097152/2097152 bytes at offset 23068672
2 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote 2097152/2097152 bytes at offset 25165824
2 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote 2097152/2097152 bytes at offset 27262976
2 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote 2097152/2097152 bytes at offset 29360128
2 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote 2097152/2097152 bytes at offset 31457280
2 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote 2097152/2097152 bytes at offset 33554432
2 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote 2097152/2097152 bytes at offset 35651584
2 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote 2097152/2097152 bytes at offset 37748736
2 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
== Checking file before ==
No errors were found on the image.
image size 39845888
== Trying to write compressed cluster ==
qemu-io: write failed: File too large
image size 562949957615616
== Writing normal cluster ==
wrote 2097152/2097152 bytes at offset 0
2 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
== Checking file after ==
wrote 1048576/1048576 bytes at offset 5242880
1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote 31457280/31457280 bytes at offset 8388608
30 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
8388589 leaked clusters were found on the image.
This means waste of disk space, but no harm to data.
*** done