selftests: ublk: add stop command with --safe option

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Add 'stop' subcommand to kublk utility that uses the new
UBLK_CMD_TRY_STOP_DEV command when --safe option is specified.
This allows stopping a device only if it has no active openers,
returning -EBUSY otherwise.

Also add test_generic_16.sh to test the new functionality.

Signed-off-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

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Ming Lei 2026-01-13 00:05:02 +02:00 • committed by Jens Axboe

parent 93ada1b3da

commit 65955a0993

4 changed files with 112 additions and 0 deletions

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1

tools/testing/selftests/ublk/Makefile

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53

tools/testing/selftests/ublk/kublk.c

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1

tools/testing/selftests/ublk/kublk.h

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tools/testing/selftests/ublk/test_generic_16.sh Executable file

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