[PATCH] v9fs: Support to force umount

Support for force umount

Signed-off-by: Latchesar Ionkov <lucho@ionkov.net>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --cc fs/9p/mux.c
Simple merge

diff --cc fs/9p/mux.h
Simple merge

diff --cc fs/9p/v9fs.c
Simple merge

diff --cc fs/9p/v9fs.h
Simple merge

diff --cc fs/9p/vfs_super.c
Simple merge