Please pull from:

git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-dm tags/dm-3.4-changes

to get the following device-mapper updates for 3.4.

Thanks,
Alasdair

----------------------------------------------------------------
Device-mapper changes for 3.4.

- Update thin provisioning to support read-only external snapshot origins and
discards.
- A new target, dm verity, for device content validation.
- Mark dm uevent and dm raid as no-longer-experimental.
- Miscellaneous other fixes and clean-ups.

----------------------------------------------------------------
Alasdair G Kergon (4):
dm: add persistent data to MAINTAINERS
dm uevent: no longer experimental
dm raid: no longer experimental
dm thin: use dm_target_offset

Andrei Warkentin (1):
dm exception store: fix init error path

Hannes Reinecke (2):
dm table: simplify call to free_devices
dm: clear bi_end_io on remapping failure

Joe Thornber (11):
dm thin: fix stacked bi_next usage
dm persistent data: fix btree rebalancing after remove
dm thin: correct comments
dm persistent data: remove redundant value_size arg from value_ptr
dm thin metadata: pass correct space map to dm_sm_root_size
dm thin: commit outstanding data every second
dm persistent data: remove space map ref_count entries if redundant
dm thin: support read only external snapshot origins
dm thin: prepare to support discard
dm thin: support discards
dm thin: add pool target flags to control discard

Jonathan E Brassow (1):
dm raid: handle failed devices during start up

Jun'ichi Nomura (1):
dm mpath: detect invalid map_context

Mike Snitzer (1):
dm thin: relax hard limit on the maximum size of a metadata device

Mikulas Patocka (5):
dm crypt: fix mempool deadlock
dm crypt: add missing error handling
dm: reject trailing characters in sccanf input
dm bufio: prefetch
dm: add verity target

Milan Broz (1):
dm: document sysfs entries

Documentation/ABI/testing/sysfs-block-dm | 25 +
Documentation/device-mapper/thin-provisioning.txt | 65 +-
Documentation/device-mapper/verity.txt | 194 +++++
MAINTAINERS | 5 +-
drivers/md/Kconfig | 28 +-
drivers/md/Makefile | 1 +
drivers/md/dm-bufio.c | 108 ++-
drivers/md/dm-bufio.h | 8 +
drivers/md/dm-crypt.c | 46 +-
drivers/md/dm-delay.c | 9 +-
drivers/md/dm-exception-store.c | 2 +-
drivers/md/dm-flakey.c | 3 +-
drivers/md/dm-ioctl.c | 5 +-
drivers/md/dm-linear.c | 3 +-
drivers/md/dm-log.c | 3 +-
drivers/md/dm-mpath.c | 52 +-
drivers/md/dm-queue-length.c | 3 +-
drivers/md/dm-raid.c | 53 +-
drivers/md/dm-raid1.c | 12 +-
drivers/md/dm-round-robin.c | 3 +-
drivers/md/dm-service-time.c | 5 +-
drivers/md/dm-stripe.c | 3 +-
drivers/md/dm-table.c | 9 +-
drivers/md/dm-thin-metadata.c | 5 +-
drivers/md/dm-thin-metadata.h | 13 +
drivers/md/dm-thin.c | 680 +++++++++++----
drivers/md/dm-verity.c | 913 +++++++++++++++++++++
drivers/md/dm.c | 1 +
drivers/md/persistent-data/dm-btree-internal.h | 7 +-
drivers/md/persistent-data/dm-btree-remove.c | 202 +++--
drivers/md/persistent-data/dm-btree.c | 27 +-
drivers/md/persistent-data/dm-space-map-common.c | 3 -
32 files changed, 2104 insertions(+), 392 deletions(-)
create mode 100644 Documentation/ABI/testing/sysfs-block-dm
create mode 100644 Documentation/device-mapper/verity.txt
create mode 100644 drivers/md/dm-verity.c

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