Andriy Gapon 86261a95ed slightly simplify zfs_vptocnp ...

It's not necessary to look up the parent's ID to check if the node is
the root node of the filesystem.

MFC after:	2 weeks

2017-09-13 07:09:58 +00:00

..

opensolaris

slightly simplify zfs_vptocnp

2017-09-13 07:09:58 +00:00