v0.6.4.2

Supported Kernels

• Compatible with 2.6.32 - 4.1 Linux kernels.

Bug Fixes

• Fix panic due to corrupt nvlist when running utilities #3335
• Fix hard lockup due to infinite loop in zfs_zget() #3349
• Fix panic on unmount due to iput taskq #3281
• Improve metadata shrinker performance on pre-3.1 kernels #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 #3402
• Fix module loading in zfs import systemd service #3440
• Fix intermittent libzfs_init() failure to open /dev/zfs #2556