[GIT PULL REQUEST] md updates for 4.3

[Neil Brown]

Please pull these updates.  I've already merged with the 'block' tree
to resolve a few simple conflicts.

Thanks,
NeilBrown


The following changes since commit 1081230b748de8f03f37f80c53dfa89feda9b8de:

  Merge branch 'for-4.3/core' of git://git.kernel.dk/linux-block (2015-09-02 13:10:25 -0700)

are available in the git repository at:

  git://neil.brown.name/md tags/md/4.3

for you to fetch changes up to e89c6fdf9e0eb1b5a03574d4ca73e83eae8deb91:

  Merge linux-block/for-4.3/core into md/for-linux (2015-09-05 11:08:32 +0200)

----------------------------------------------------------------
md updates for 4.3

- An assortment of little fixes, several for minor races only likely
  to be hit during testing
- further cluster-md-raid1 development, not ready for real use yet.
- new RAID6 syndrome code for ARM NEON
- fix a race where a write can return before failure of one device
  is properly recorded in metadata, so an immediate crash might result
  in that write being lost.

----------------------------------------------------------------
Ard Biesheuvel (1):
      md/raid6: delta syndrome for ARM NEON

Benjamin Randazzo (1):
      md: simplify get_bitmap_file now that "file" is zeroed.

Guoqing Jiang (11):
      md-cluster: use %pU to print UUIDs
      md-cluster: split recover_slot for future code reuse
      md-cluster: transfer the resync ownership to another node
      md-cluster: fix deadlock issue on message lock
      md-cluster: init completion within lockres_init
      md-cluster: add the error check if failed to get dlm lock
      md-cluster: init suspend_list and suspend_lock early in join
      md-cluster: remove the unused sb_lock
      md-cluster: add missed lockres_free
      md-cluster: only call complete(&cinfo->completion) when node join cluster
      md-cluster: Read the disk bitmap sb and check if it needs recovery

NeilBrown (20):
      md/raid0: update queue parameter in a safer location.
      md: Keep /proc/mdstat reporting recovery until fully DONE.
      md: close some races between setting and checking sync_action.
      md/raid5: consider updating reshape_position at start of reshape.
      md/raid10: fix a few typos in comments
      md/raid5: always set conf->prev_chunk_sectors and ->prev_algo
      md/raid5: switch to use conf->chunk_sectors in place of mddev->chunk_sectors where possible
      md/raid5: strengthen check on reshape_position at run.
      md/raid5: remove incorrect "min_t()" when calculating writepos.
      md: set MD_RECOVERY_RECOVER when starting a degraded array.
      md: be careful when testing resync_max against curr_resync_completed.
      md: sync sync_completed has correct value as recovery finishes.
      md/raid5: handle possible race as reshape completes.
      md: extend spinlock protection in register_md_cluster_operations
      md-cluster: remove inappropriate try_module_get from join()
      md/raid1: ensure device failure recorded before write request returns.
      md/raid10: ensure device failure recorded before write request returns.
      md/raid5: use bio_list for the list of bios to return.
      md/raid5: ensure device failure recorded before write request returns.
      Merge linux-block/for-4.3/core into md/for-linux

Sasha Levin (1):
      md: setup safemode_timer before it's being used

 Documentation/md-cluster.txt |   4 +-
 drivers/md/md-cluster.c      | 159 ++++++++++++++++++++++++++++---------------
 drivers/md/md.c              | 110 +++++++++++++++++++-----------
 drivers/md/raid0.c           |  75 ++++++++++----------
 drivers/md/raid1.c           |  30 +++++++-
 drivers/md/raid1.h           |   5 ++
 drivers/md/raid10.c          |  33 ++++++++-
 drivers/md/raid10.h          |   6 ++
 drivers/md/raid5.c           | 140 ++++++++++++++++++++++---------------
 drivers/md/raid5.h           |   5 +-
 lib/raid6/neon.c             |  13 +++-
 lib/raid6/neon.uc            |  46 +++++++++++++
 12 files changed, 433 insertions(+), 193 deletions(-)

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