Some day there should be made further investigation in this topic, for .deb we are not able to close this ifdef what causes that we are not able to return control to ioctl, for rpms it looks like it block us from freeing cache.
USE_BDOPS_SUBMIT_BIO (kernels with submit_bio based writing >= 5.9)
HAVE_FOPS_FALLOCATE- present: ubuntu 20, 22 not present: centos 8 and rhel 9
Some day there should be made further investigation in this topic, for .deb we are not able to close this ifdef what causes that we are not able to return control to ioctl, for rpms it looks like it block us from freeing cache.