[git pull] device-mapper patches for 2.6.29

[Alasdair G Kergon <agk@redhat.com>]

Please pull from:

  master.kernel.org:/pub/scm/linux/kernel/git/agk/linux-2.6-dm.git

to get the following device-mapper patches for 2.6.29:
 
Alasdair G Kergon (2):
      dm mpath: move trigger_event to system workqueue
      dm snapshot: split out exception store implementations

Andi Kleen (1):
      dm: support barriers on simple devices

Cheng Renquan (2):
      dm target: use module refcount directly
      dm target: remove struct tt_internal

Jonathan Brassow (4):
      dm raid1: fix error count
      dm snapshot: separate out exception store interface
      dm snapshot: rename struct exception_store
      dm snapshot: extend exception store functions

Kiyoshi Ueda (2):
      dm request: add caches
      dm request: extend target interface

Mikulas Patocka (4):
      dm table: drop reference at unbind
      dm snapshot: change yield to msleep
      dm: consolidate target deregistration error handling
      dm table: rework reference counting

Milan Broz (4):
      dm log: move region_size validation
      dm log: ensure log bitmap fits on log device
      dm ioctl: allow dm_copy_name_and_uuid to return only one field
      dm: add name and uuid to sysfs

Takahiro Yasui (2):
      dm log: fix dm_io_client leak on error paths
      dm log: avoid reinitialising io_req on every operation

 drivers/md/Makefile             |    5 +-
 drivers/md/dm-crypt.c           |    6 +-
 drivers/md/dm-delay.c           |    6 +-
 drivers/md/dm-exception-store.c |  749 +--------------------------------------
 drivers/md/dm-exception-store.h |  148 ++++++++
 drivers/md/dm-ioctl.c           |   16 +-
 drivers/md/dm-linear.c          |    6 +-
 drivers/md/dm-log.c             |   40 ++-
 drivers/md/dm-mpath.c           |   14 +-
 drivers/md/dm-raid1.c           |   24 +-
 drivers/md/dm-snap-persistent.c |  704 ++++++++++++++++++++++++++++++++++++
 drivers/md/dm-snap-transient.c  |   98 +++++
 drivers/md/dm-snap.c            |   48 ++-
 drivers/md/dm-snap.h            |  129 +-------
 drivers/md/dm-stripe.c          |    4 +-
 drivers/md/dm-sysfs.c           |   99 +++++
 drivers/md/dm-table.c           |   47 +++-
 drivers/md/dm-target.c          |  111 ++----
 drivers/md/dm-zero.c            |    5 +-
 drivers/md/dm.c                 |  101 ++++--
 drivers/md/dm.h                 |   12 +-
 include/linux/device-mapper.h   |   31 ++-
 22 files changed, 1352 insertions(+), 1051 deletions(-)
 create mode 100644 drivers/md/dm-exception-store.h
 create mode 100644 drivers/md/dm-snap-persistent.c
 create mode 100644 drivers/md/dm-snap-transient.c
 create mode 100644 drivers/md/dm-sysfs.c

Alasdair
-- 
agk@redhat.com