Switch to use _configure_null_blk so that built-in null_blk can be supported, which implies not using the default nullb0 device. Signed-off-by: Christoph Hellwig <hch@xxxxxx> --- tests/block/016 | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/tests/block/016 b/tests/block/016 index 2b7a05f..775069c 100755 --- a/tests/block/016 +++ b/tests/block/016 @@ -20,21 +20,22 @@ requires() { test() { echo "Running ${TEST_NAME}" - if ! _init_null_blk irqmode=2 completion_nsec=2000000000; then + if ! _configure_null_blk nullb1 irqmode=2 completion_nsec=2000000000 \ + power=1; then return 1 fi # Start an I/O, which will take two seconds. - dd if=/dev/nullb0 of=/dev/null bs=512 iflag=direct count=1 status=none & + dd if=/dev/nullb1 of=/dev/null bs=512 iflag=direct count=1 status=none & sleep 0.5 # This will freeze the queue, and since we have an I/O in flight, it # will stay frozen until the I/O completes. - echo 64 > /sys/block/nullb0/queue/nr_requests & + echo 64 > /sys/block/nullb1/queue/nr_requests & sleep 0.5 # Do an I/O, which will wait for the queue to unfreeze. - dd if=/dev/nullb0 of=/dev/null bs=512 iflag=direct count=1 status=none & + dd if=/dev/nullb1 of=/dev/null bs=512 iflag=direct count=1 status=none & sleep 0.5 # While dd is blocked, send a signal which we know dd has a handler -- 2.30.2