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selftests: ublk: don't take same backing file for more than one ublk devices

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Don't use same backing file for more than one ublk devices, and avoid
concurrent write on same file from more ublk disks.

Fixes: 8ccebc19ee ("selftests: ublk: support UBLK_F_AUTO_BUF_REG")
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20250623011934.741788-3-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Ming Lei
2025-06-24 20:45:31 -06:00
committed by Jens Axboe
parent 524346e9d7
commit 5223372e67
1 changed files with 3 additions and 2 deletions
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tools/testing/selftests/ublk/test_stress_03.sh
+3 -2
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@@ -32,22 +32,23 @@ _create_backfile 2 128M
ublk_io_and_remove 8G -t null -q 4 -z &
ublk_io_and_remove 256M -t loop -q 4 -z "${UBLK_BACKFILES[0]}" &
ublk_io_and_remove 256M -t stripe -q 4 -z "${UBLK_BACKFILES[1]}" "${UBLK_BACKFILES[2]}" &
wait
if _have_feature "AUTO_BUF_REG"; then
ublk_io_and_remove 8G -t null -q 4 --auto_zc &
ublk_io_and_remove 256M -t loop -q 4 --auto_zc "${UBLK_BACKFILES[0]}" &
ublk_io_and_remove 256M -t stripe -q 4 --auto_zc "${UBLK_BACKFILES[1]}" "${UBLK_BACKFILES[2]}" &
ublk_io_and_remove 8G -t null -q 4 -z --auto_zc --auto_zc_fallback &
wait
fi
wait
if _have_feature "PER_IO_DAEMON"; then
ublk_io_and_remove 8G -t null -q 4 --auto_zc --nthreads 8 --per_io_tasks &
ublk_io_and_remove 256M -t loop -q 4 --auto_zc --nthreads 8 --per_io_tasks "${UBLK_BACKFILES[0]}" &
ublk_io_and_remove 256M -t stripe -q 4 --auto_zc --nthreads 8 --per_io_tasks "${UBLK_BACKFILES[1]}" "${UBLK_BACKFILES[2]}" &
ublk_io_and_remove 8G -t null -q 4 -z --auto_zc --auto_zc_fallback --nthreads 8 --per_io_tasks &
wait
fi
wait
_cleanup_test "stress"
_show_result $TID $ERR_CODE