K 10
svn:author
V 3
kib
K 8
svn:date
V 27
2008-11-23T16:08:36.161379Z
K 7
svn:log
V 188
MFC r185012:
Instead of forcing vn_start_write() to reset mp back to NULL for the
failed calls with non-NULL vp, explicitely clear mp after failure.

Approved by:	re (kensmith)
PR:	123768

END