[PULL REQUEST] md updates for 3.9

[PULL REQUEST] md updates for 3.9

[NeilBrown]

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The following changes since commit 19f949f52599ba7c3f67a5897ac6be14bfcb1200:

  Linux 3.8 (2013-02-18 15:58:34 -0800)

are available in the git repository at:

  git://neil.brown.name/md tags/md-3.9

for you to fetch changes up to f3378b48705154b9089affb2d2e939622aea68f1:

  md: expedite metadata update when switching  read-auto -> active (2013-02-28 11:59:03 +1100)

Thanks,
NeilBrown



----------------------------------------------------------------
md updates for 3.9

mostly little bugfixes.
Only "feature" is a new RAID10 layout which slightly
improves the number of sets of devices that can concurrently
fail, without data loss.

----------------------------------------------------------------
Joe Lawrence (1):
      md: raid1,10: Handle REQ_WRITE_SAME flag in write bios

Jonathan Brassow (4):
      MD RAID10: Minor non-functional code changes
      MD RAID10: Improve redundancy for 'far' and 'offset' algorithms (part 1)
      MD RAID10: Improve redundancy for 'far' and 'offset' algorithms (part 2)
      DM RAID: Add support for MD's RAID10 "far" and "offset" algorithms

NeilBrown (6):
      md: fix two bugs when attempting to resize RAID0 array.
      md: raid0: fix error return from create_stripe_zones.
      md/raid0: improve error message when converting RAID4-with-spares to RAID0
      md/raid1,raid10: fix deadlock with freeze_array()
      md: remove CONFIG_MULTICORE_RAID456
      md: expedite metadata update when switching  read-auto -> active

Sebastian Riemer (1):
      md: protect against crash upon fsync on ro array

 Documentation/device-mapper/dm-raid.txt |  44 +++++++++++++---
 drivers/md/Kconfig                      |  11 ----
 drivers/md/dm-raid.c                    | 123 ++++++++++++++++++++++++++++++++++++-------
 drivers/md/md.c                         |  19 ++++++-
 drivers/md/raid0.c                      |  13 +++--
 drivers/md/raid1.c                      |   8 ++-
 drivers/md/raid10.c                     |  97 ++++++++++++++++++++++++++--------
 drivers/md/raid10.h                     |   5 ++
 drivers/md/raid5.c                      |  38 +------------
 9 files changed, 256 insertions(+), 102 deletions(-)

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