K 10
svn:author
V 8
cperciva
K 8
svn:date
V 27
2015-09-14T19:37:51.601876Z
K 7
svn:log
V 181
MFC r286062, r286063

Add support to blkfront for blkif indirect segment I/Os.

Turn this support off by default in EC2 builds due to performance issues
on some EC2 instance types.

END