K 10
svn:author
V 3
kib
K 8
svn:date
V 27
2016-05-21T09:49:35.031842Z
K 7
svn:log
V 364
Improve handling of rdev->si_mountpt on mount and unmount of FFS
volumes.  Treat the field as a semaphore protecting availability of
the device for mounting.  Do no access devvp->v_rdev without the vnode
lock owned.

Protect change of the devvp->v_bufobj bo_ops vector with the vnode
lock.

Reviewed by:	bde
Sponsored by:	The FreeBSD Foundation
MFC after:	2 weeks

END