Merge commit 'v3.4-rc6' into linux-next

* commit 'v3.4-rc6': (666 commits)
  Linux 3.4-rc6
  x86: fix broken TASK_SIZE for ia32_aout
  Btrfs: avoid sleeping in verify_parent_transid while atomic
  TTY: pdc_cons, fix regression in close
  init: don't try mounting device as nfs root unless type fully matches
  ACPI: Fix D3hot v D3cold confusion
  hfsplus: Fix potential buffer overflows
  CPU frequency drivers MAINTAINERS update
  seqlock: add 'raw_seqcount_begin()' function
  Fix __read_seqcount_begin() to use ACCESS_ONCE for sequence value read
  intel_mid_powerbtn: mark irq as IRQF_NO_SUSPEND
  arch/x86/platform/geode/net5501.c: change active_low to 0 for LED driver
  Btrfs: fix crash in scrub repair code when device is missing
  btrfs: Fix mismatching struct members in ioctl.h
  Btrfs: fix page leak when allocing extent buffers
  Btrfs: Add properly locking around add_root_to_dirty_list
  ASoC: omap-pcm: Free dma buffers in case of error.
  drm/radeon: clarify and extend wb setup on APUs and NI+ asics
  md/bitmap: fix calculation of 'chunks' - missing shift.
  fs/cifs: fix parsing of dfs referrals
  ...