K 10
svn:author
V 3
kib
K 8
svn:date
V 27
2015-10-27T13:44:13.962792Z
K 7
svn:log
V 200
Do not perform read-ahead for BA_CLRBUF request when we are low on
memory or when dirty buffer queue is too large.

Reported and tested by:	pho
Sponsored by:	The FreeBSD Foundation
MFC after:	2 weeks

END