Konstantin Belousov fe920528c1 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
2015-10-27 13:44:13 +00:00
..
2015-06-30 17:00:45 +00:00
2015-10-07 12:36:28 +00:00