I want to like VirtIOFS, but...

It's so slow compared to NFS. Like less than 1/4 the performance in my testing with FIO. I want to use it because it seems like a cleaner implementation on how to share files with the host. But, I cannot take that big of a performance hit. Shame really.

DIRECT:
server:/mnt/server1:# show disk perf . 1G
Physical Server
Testing Storage: /mnt/server1
Testing Size: 1G
Read Performance: 182MB/s IOPS=44.5k
Write Performance: 98.3MB/s IOPS=24.0k

NFS:
server:/mnt/server1:# show disk perf...

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