On Mon 12 Feb 2018 02:14:00 PM CET, Anton Nefedov wrote: > +# Trigger truncate that would shrink qcow2 L1 table, which is done by > +# clearing one entry (8 bytes) with bdrv_co_pwrite_zeroes() > + > +echo > +echo "=== Test misaligned write zeroes via truncate ===" > +echo > + > +CLUSTER_SIZE=$((64 * 1024)) > +L2_COVERAGE=$(($CLUSTER_SIZE * $CLUSTER_SIZE / 8)) > +_make_test_img $(($L2_COVERAGE * 2))
If my numbers are correct, that's a 1GB image. For qcow2 this is not a problem but I wonder if it's ok to create such large images for other formats (for raw they should be sparse by default, but still). Berto
