[GIT PULL REQUEST] md updates for 4.5

From: NeilBrown
Date: Fri Jan 15 2016 - 01:31:27 EST

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.

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

Documentation/md-cluster.txt | 314 ++++++++++++++++++++++++++++++-----------
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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