#14744 Optimize check_filesystem() and process_error_log()
#14773 Allow zhack label repair to restore detached devices
#14794 zpool import -m also removing spare and cache when log device
       is missing
#14805 Simplify and optimize random_int_between()
#14813 Enable the head_errlog feature to remove errors
#14816 Fix two abd_gang_add_gang() issues
#14817 Verify block pointers before writing them out
#14819 Add dmu_tx_hold_append() interface
#14823 Remove single parent assertion from zio_nowait()
#14824 Plug memory leak in zfsdev_state
#14825 Block cloning dbuf fixes
#14828 Remove duplicate code in l2arc_evict()
#14837 Fixes in head_errlog feature with encryption
#14839 Prevent panic during concurrent snapshot rollback and zvol read
#14853 zil: Don't expect zio_shrink() to succeed