Bug#1025171: zfs-dkms FTBFS against 6.0.0-5-amd64

[M. Zhou]

Package: zfs-dkms
Version: 2.1.6-3
Severity: serious

It was built againt 6.0.0-3-amd64 on my sid machine, but suddenly
stopped working with the recent 6.0.0-5-amd64 kernel.