Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs

Pull btrfs fixes from Chris Mason:
 "This pull fixes the empty_zero_page bug that Heiko reported, and
  includes one more cleanup from Al Viro"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs:
  btrfs: get rid of fdentry()
  btrfs: fix empty_zero_page misusage