* Misono Tomohiro (misono.tomoh...@jp.fujitsu.com) wrote:
> I test virtiofs with NFS 4.0 as backend and notice that fallocate
> causes system hang (kernel: 5.4-rc1, qemu: virtio-fs-dev branch):
> $ mount -t virtiofs myfs /mnt
> $ dd if=/dev/urandom bs=1000 seek=1 count=1 of=/mnt/file
> $ falloca
I test virtiofs with NFS 4.0 as backend and notice that fallocate
causes system hang (kernel: 5.4-rc1, qemu: virtio-fs-dev branch):
$ mount -t virtiofs myfs /mnt
$ dd if=/dev/urandom bs=1000 seek=1 count=1 of=/mnt/file
$ fallocate -l 2000 /mnt/file # system hang
This is because:
1. virtiofs su
