K 10
svn:author
V 3
kib
K 8
svn:date
V 27
2014-08-20T08:15:23.235932Z
K 7
svn:log
V 294
Do not busy the UFS mount point inside VOP_RENAME().  The
kern_renameat() already starts write on the mp, which prevents
parallel unmount from proceed.  Busying mp after vn_start_write()
deadlocks the unmount.

Reported and tested by:	pho
Sponsored by:	The FreeBSD Foundation
MFC after:	1 week

END