[GIT PULL REQUEST] md updates for 4.5

[NeilBrown]

The following changes since commit 168309855a7d1e16db751e9c647119fe2d2dc878:

  Linux 4.4-rc8 (2016-01-03 15:15:37 -0800)

are available in the git repository at:

  git://neil.brown.name/md tags/md/4.5

for you to fetch changes up to 1501efadc524a0c99494b576923091589a52d2a4:

  md/raid: only permit hot-add of compatible integrity profiles (2016-01-14 11:49:57 +1100)

----------------------------------------------------------------
md updates for 4.5

Mostly clustered-raid1 and raid5 journal updates.
one Y2038 fix and other minor stuff.

One patch removes me from the MAINTAINERS file and adds a record of
my md maintainership to Credits.

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Arnd Bergmann (1):
      md: avoid warning for 32-bit sector_t

Christoph Hellwig (5):
      raid5-cache: simplify r5l_move_io_unit_list
      raid5-cache: free meta_page earlier
      raid5-cache: use a bio_set
      raid5-cache: use a mempool for the metadata block
      raid5: allow r5l_io_unit allocations to fail

Dan Williams (1):
      md/raid: only permit hot-add of compatible integrity profiles

Deepa Dinamani (1):
      drivers: md: use ktime_get_real_seconds()

Goldwyn Rodrigues (3):
      md-cluster: Avoid the resync ping-pong
      md-cluster: Fix the remove sequence with the new MD reload code
      md-cluster: Allow spare devices to be marked as faulty

Guoqing Jiang (8):
      md-cluster: remove a disk asynchronously from cluster environment
      md-cluster: append some actions when change bitmap from clustered to none
      md-cluster: update the documentation
      md-cluster: Defer MD reloading to mddev->thread
      md-cluster: Protect communication with mutexes
      md-cluster: update comments for MD_CLUSTER_SEND_LOCKED_ALREADY
      md: update comment for md_allow_write
      md: remove unnecesary md_new_event_inintr

NeilBrown (2):
      md: Remove 'ready' field from mddev.
      Remove myself as MD Maintainer, and add to Credits.

Roman Gushchin (1):
      md/raid5: remove redundant check in stripe_add_to_batch_list()

Shaohua Li (4):
      raid5-cache: add journal hot add/remove support
      md: set MD_HAS_JOURNAL in correct places
      MD: add journal with array suspended
      raid5-cache: handle journal hotadd in quiesce

 CREDITS                        |   1 +
 Documentation/md-cluster.txt   | 314 ++++++++++++++++++++++++++++++-----------
 MAINTAINERS                    |   1 -
 drivers/md/md-cluster.c        | 164 +++++++++++++++++++--
 drivers/md/md-cluster.h        |   2 +
 drivers/md/md.c                | 171 +++++++++++++---------
 drivers/md/md.h                |  11 +-
 drivers/md/multipath.c         |   6 +-
 drivers/md/raid1.c             |   6 +-
 drivers/md/raid10.c            |   6 +-
 drivers/md/raid5-cache.c       | 158 ++++++++++++++++-----
 drivers/md/raid5.c             |  36 +++--
 include/uapi/linux/raid/md_u.h |   4 +-
 13 files changed, 649 insertions(+), 231 deletions(-)

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