K 10
svn:author
V 2
ae
K 8
svn:date
V 27
2016-11-23T09:54:28.481754Z
K 7
svn:log
V 239
Rework key_flush().

With acquired SAHTREE_WLOCK move all specified objects into flushq,
then use new key_freesah_flushed() function to properly release all
objects with SAHTREE_WLOCK released. Use the same algorithm in the
key_destroy().

END