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Some ublk selftests have strange behavior when fio is not installed.
While most tests behave correctly (run if they don't need fio, or skip
if they need fio), the following tests have different behavior:
- test_null_01, test_null_02, test_generic_01, test_generic_02, and
test_generic_12 try to run fio without checking if it exists first,
and fail on any failure of the fio command (including "fio command
not found"). So these tests fail when they should skip.
- test_stress_05 runs fio without checking if it exists first, but
doesn't fail on fio command failure. This test passes, but that pass
is misleading as the test doesn't do anything useful without fio
installed. So this test passes when it should skip.
Fix these issues by adding _have_program fio checks to the top of all of
these tests.
Signed-off-by: Uday Shankar <ushankar@purestorage.com>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Add UBLK_TEST_QUIET, so we can print test result(PASS/SKIP/FAIL) only.
Also always run from test script's current directory, then the same test
script can be started from other work directory.
This way helps a lot to reuse this test source code and scripts for
other projects(liburing, blktests, ...)
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20250303124324.3563605-12-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Move zero copy feature check into _add_ublk_dev() since we will have
more tests which requires to cover zero copy.
Then one check function of _check_add_dev() has to be added for dealing
with cleanup since '_add_ublk_dev()' is run in sub-shell, and we can't
exit from it to terminal shell.
Meantime always return error code from _add_ublk_dev().
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20250303124324.3563605-8-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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More devices can be created in single tests, so simply remove all
ublk devices in _cleanup_test(), meantime remove the ${dev_id} argument
of _cleanup_test().
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20250303124324.3563605-7-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Add shellcheck, meantime fixes all warnings.
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20250303124324.3563605-6-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Both ublk driver and userspace heavily depends on io_uring subsystem,
and tools/testing/selftests/ should be the best place for holding this
cross-subsystem tests.
Add basic read/write IO test over this ublk null disk, and make sure ublk
working.
More tests will be added.
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20250228161919.2869102-2-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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