This bug was fixed in the package zfs-linux - 0.8.3-1ubuntu8
--------------- zfs-linux (0.8.3-1ubuntu8) focal; urgency=medium
* Add 5.5 low-latency compat fixe (LP: #1866730) - Apply backported upstream zfs fix for Linux 5.5 compat fix - 2fcab8795c7c ("Linux 5.5 compat: blkg_tryget()")
-- Colin Ian King <email address hidden> Tue, 10 Mar 2020 09:52:11 +0000
This bug was fixed in the package zfs-linux - 0.8.3-1ubuntu8
---------------
zfs-linux (0.8.3-1ubuntu8) focal; urgency=medium
* Add 5.5 low-latency compat fixe (LP: #1866730)
- Apply backported upstream zfs fix for Linux 5.5 compat fix
- 2fcab8795c7c ("Linux 5.5 compat: blkg_tryget()")
-- Colin Ian King <email address hidden> Tue, 10 Mar 2020 09:52:11 +0000