K 10
svn:author
V 6
daichi
K 8
svn:date
V 27
2012-05-10T20:37:56.759203Z
K 7
svn:log
V 408
MFC: 234867 and 234944

- fixed a vnode lock hang-up issue.
- fixed an incorrect lock status issue.
- fixed an incorrect lock issue of unionfs root vnode removed.
  (pointed out by keith)
- fixed an infinity loop issue.
  (pointed out by dumbbell)
- changed to do LK_RELEASE expressly when unlocked.
- fixed a unionfs_readdir math issue

Submitted by:	ozawa@ongs.co.jp, Matthew Fleming <mfleming@isilon.com>

END