K 10
svn:author
V 8
cperciva
K 8
svn:date
V 27
2015-09-14T19:35:33.041485Z
K 7
svn:log
V 130
MFC r284618, r284663, r284664, r284670, r284723

Reorganization of blkfront code and updates to comments.  No functional
changes.

END