K 10
svn:author
V 4
loos
K 8
svn:date
V 27
2015-08-03T18:22:31.241261Z
K 7
svn:log
V 161
Add a KASSERT() to make sure we wont rotate the buffers twice (rotate the
buffers while the hold buffer is in use).

Suggested by:	ed, ghelmer
MFC with:	r286142

END