Added regression test.

Sponsored by:	EMC / Isilon storage division
Added regression test.

Sponsored by:	EMC / Isilon storage division
Added a regression test.

Sponsored by:	EMC / Isilon storage division
Make sure mount point exists.

Sponsored by:	EMC / Isilon storage division
Added regression test for r234131.

Sponsored by:	EMC / Isilon storage division