[git pull] vfs fix

[Al Viro]

	Fix for very unpleasant braino in do_umount(); the effect was
that if umount(name, MNT_EXPIRE) failed with -EBUSY it left the kernel
with doubly-taken vfsmount_lock.  The next attempt to mount or umount
something would deadlock, of course...  Please, pull from

git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6.git/ for-linus

Shortlog:
J. R. Okajima (1):
      Unlock vfsmount_lock in do_umount

Diffstat:
 fs/namespace.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

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