[PULL REQUEST] md updates for 3.2-rc

[PULL REQUEST] md updates for 3.2-rc

[NeilBrown]

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Hi Linus,
 please pull these 7 md patches.
 They fixes some races with sysfs access to md devices and fix some bugs
 in the new bad-block-management code.

Thanks,
NeilBrown


The following changes since commit 5611cc4572e889b62a7b4c72a413536bf6a9c416:

  Linux 3.2-rc4 (2011-12-01 14:56:01 -0800)

are available in the git repository at:
  git://neil.brown.name/md/ for-linus

  last commit being 5d8c71f9e5fbdd95650be00294d238e27a363b5c

Adam Kwolek (1):
      md: raid5 crash during degradation

NeilBrown (6):
      md/lock: ensure updates to page_attrs are properly locked.
      md: refine interpretation of "hold_active == UNTIL_IOCTL".
      md: take a reference to mddev during sysfs access.
      md: bad blocks shouldn't cause a Blocked status on a Faulty device.
      md: ensure new badblocks are handled promptly.
      md/raid5: never wait for bad-block acks on failed device.

 drivers/md/bitmap.c |    4 ++++
 drivers/md/md.c     |   27 +++++++++++++++++++++++----
 drivers/md/raid5.c  |    8 +++++---
 3 files changed, 32 insertions(+), 7 deletions(-)

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