K 10
svn:author
V 3
kib
K 8
svn:date
V 27
2013-08-27T01:31:12.354425Z
K 7
svn:log
V 354
When allocating a pbuf for the cluster write, do not sleep waiting
for the available pbuf when passed vnode is backing md(4). Other i/o
directed to the same md device might already hold pbufs, and then we
could deadlock since only our progress can free a pbuf needed for
wakeup.

Obtained from:	projects/vm6
Reminded and tested by:	pho
MFC after:	1 week

END