K 10
svn:author
V 3
kib
K 8
svn:date
V 27
2010-03-02T17:24:33.070501Z
K 7
svn:log
V 272
Do not leak vnode lock when msdosfs mount is updated and specified
device is different from the device used to the original mount.

Note that update_mp does not need devvp locked, and pmp->pm_devvp cannot
be freed meantime.

Reported and tested by:	pho
MFC after:	3 weeks

END