You might have a look at debian bug https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=820888 which is also about zfs. Regardless of whether or not it is the same issue it would be good to get the patch you've created into Debian also.
You might have a look at debian bug https:/ /bugs.debian. org/cgi- bin/bugreport. cgi?bug= 820888 which is also about zfs. Regardless of whether or not it is the same issue it would be good to get the patch you've created into Debian also.