Merge git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-2.6-dm
* git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-2.6-dm: (24 commits)
dm crypt: add documentation
dm: remove md argument from specific_minor
dm table: remove unused dm_create_error_table
dm table: drop void suspend_targets return
dm: unplug queues in threads
dm raid1: use timer
dm: move include files
dm kcopyd: rename
dm: expose macros
dm kcopyd: remove redundant client counting
dm kcopyd: private mempool
dm kcopyd: per device
dm log: make module use tracking internal
dm log: move register functions
dm log: clean interface
dm kcopyd: clean interface
dm io: clean interface
dm io: rename error to error_bits
dm snapshot: store pointer to target instance
dm log: move dirty region log code into separate module
...