The vsl4 driver seems to set discard granularity, which the vsl driver never did. However moving to kfio_submit seems to have made this mandatory. This wasn't caught because the tests didn't trigger fstrim and discard wasn't set. Happy @bplein found this issue :)
The vsl4 driver seems to set discard granularity, which the vsl driver never did. However moving to kfio_submit seems to have made this mandatory. This wasn't caught because the tests didn't trigger fstrim and discard wasn't set. Happy @bplein found this issue :)