K 10
svn:author
V 3
mjg
K 8
svn:date
V 27
2016-09-06T21:22:03.788763Z
K 7
svn:log
V 225
nullfs: stop special-casing directories in null_vptocnp

The previous code was forcing an expensive walk in vop_stdvptocnp,
which was causing performance issues on highly contended zfs.

No objections:	kib
MFC after:	2 weeks

END