New minor release of ZFS and SPL includes the following changes:

Bug Fixes:
Fix panic due to corrupt nvlist when running utilities (zfsonlinux/zfs#3335)
Fix hard lockup due to infinite loop in zfs_zget() (zfsonlinux/zfs#3349)
Fix panic on unmount due to iput taskq (zfsonlinux/zfs#3281)
Improve metadata shrinker performance on pre-3.1 kernels (zfsonlinux/zfs#3501)
Linux 4.1 compat: use read_iter() / write_iter()
Linux 3.12 compat: NUMA-aware per-superblock shrinker
Fix spurious hung task watchdog stack traces (zfsonlinux/zfs#3402)
Fix module loading in zfs import systemd service (zfsonlinux/zfs#3440)
Fix intermittent libzfs_init() failure to open /dev/zfs (zfsonlinux/zfs#2556)