Commit 5223372e authored by Ming Lei's avatar Ming Lei Committed by Jens Axboe
Browse files

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



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

Fixes: 8ccebc19 ("selftests: ublk: support UBLK_F_AUTO_BUF_REG")
Signed-off-by: default avatarMing Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20250623011934.741788-3-ming.lei@redhat.com


Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 524346e9

tools/testing/selftests/ublk/test_stress_03.sh

+3 −2
Original line number Diff line number Diff line
@@ -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 &

fi

	wait

fi



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 &

fi

	wait

fi



_cleanup_test "stress"

_show_result $TID $ERR_CODE