Version 1.02.63 - 9th February 2011
===================================
  Reinstate DEBUG_MEM as it's part of the API. (1.02.62)

Version 1.02.62 - 4th February 2011
===================================
  Add configure --with-device-nodes-on=create for previous behaviour.
  Move creation of device nodes from 'create' to 'resume'.
  Add --addnodeonresume and --addnodeoncreate options to dmsetup.
  Add dm_task_set_add_node to libdevmapper to control dev node creation time.
  Add dm_task_secure_data to libdevmapper to wipe ioctl buffers in kernel.
  Log debug message when expected uevent is not generated.
  Only compile memory debugging code when DEBUG_MEM is set.
  Set DM_UDEV_DISABLE_OTHER_RULES_FLAG for suspended DM devices in udev rules.
  Begin a new pool object for each row in _output_as_rows() correctly.

Version 1.02.61 - 10th January 2011
===================================
  Add DM_COOKIE_AUTO_CREATE to libdevmapper.h.
  Export DM_CONTROL_NODE_UMASK and use it while creating /dev/mapper/control.

Version 1.02.60 - 20th December 2010
====================================
  Check for unlink failure in remove_lockfile() in dmeventd.
  Use dm_free for dm_malloc-ed areas in _clog_ctr/_clog_dtr in cmirrord.
  Use char* arithmetic in _process_all() & _targets() in dmsetup.
  Change dm_regex_create() API to accept const char * const *patterns.
  Add new dm_prepare_selinux_context fn to libdevmapper and use it throughout.
  Detect existence of new SELinux selabel interface during configure.

Version 1.02.59 - 6th December 2010
===================================
  Add backtraces to _process_mapper_dir and  _create_and_load_v4 error paths.
  Remove superfluous checks for NULL before calling dm_free.

Version 1.02.58 - 22nd November 2010
====================================
  Fix _output_field crash from field_id free with DEBUG_MEM. (1.02.57)

Version 1.02.57 - 8th November 2010
===================================
  Fix regex optimiser not to ignore RHS of OR nodes in _find_leftmost_common.
  Add dmeventd -R to restart dmeventd without losing monitoring state. (1.02.56)
  Fix memory leak of field_id in _output_field function.
  Allocate buffer for reporting functions dynamically to support long outputs.

Version 1.02.56 - 25th October 2010
===================================
  Return const pointer from dm_basename() in libdevmapper.
  Implement dmeventd -R to restart without state loss.
  Add dm_zalloc and use it and dm_pool_zalloc throughout.
  Add --setuuid to dmsetup rename.
  Add dm_task_set_newuuid to set uuid of mapped device post-creation.

Version 1.02.55 - 24th September 2010
=====================================
  Fix the way regions are marked complete to avoid slow --nosync cmirror I/O.
  Add DM_REPORT_FIELD_TYPE_ID_LEN to libdevmapper.h.

Version 1.02.54 - 18th August 2010
==================================
  Fix dm-mod autoloading logic to not assume control node is set correctly.
  Add dmeventd/executable to lvm.conf to test alternative dmeventd.
  Export dm_event_handler_set_dmeventd_path to override built-in dmeventd path.
  Generate libdevmapper-event exported symbols.
  Remove superfluous NULL pointer tests before dm_free from dmeventd.
  Assume dm-mod autoloading support is in kernel 2.6.36 and higher, not 2.6.35.
  Fix udev rules to support udev database content generated by older rules.
  Reinstate detection of inappropriate uevent with DISK_RO set and suppress it.
  Fix regex ttree off-by-one error.
  Add --enable-valgrind-pool to configure.
  Fix segfault in regex matcher with characters of ordinal value > 127.
  Fix 'void*' arithmetic warnings in dbg_malloc.c and libdm-iface.c.
  Wait for node creation before displaying debug info in dmsetup.
  Fix return status 0 for "dmsetup info -c -o help".
  Add check for kernel semaphore support and disable udev_sync if not available.

Version 1.02.53 - 28th July 2010
================================
  Revert failed table load preparation after "create, load and resume".
  Switch dmeventd to use dm_create_lockfile and drop duplicate code.
  Add dm_create_lockfile to libdm to handle pidfiles for all daemons.
  Replace lookup with next in struct dfa_state & calculate states on demand.
  Improve the regex matcher, reducing the number of charset nodes used.
  Add dm_regex_fingerprint to facilitate regex testing.
  Skip ffs(0) in _test_word in bitset functions.
  Use "nowatch" udev rule for inappropriate devices.

Version 1.02.52 - 6th July 2010
===============================
  Fix dmlosetup snprintf %llu compiler warning.
  Add parentheses to some libdevmapper.h macro arguments.
  Add printf format attributes to dm_{sn,as}printf and fix a caller.
  Move dmeventd man page from install_lvm2 to install_device-mapper. (1.02.50)

Version 1.02.51 - 30th June 2010
================================
  Generate libdevmapper exported symbols from header file.

Version 1.02.50 - 23rd June 2010
================================
  Fix INTERNAL_ERROR typo in ioctl iface unknown task message.
  Fix udev rules to handle spurious events properly.
  Use C99 [] not [0] in dm_ulog_request struct to avoid abort when fortified.
  Allow use of devmapper header file in C++ mode (extern "C" and __typeof__).
  Add dmeventd man page.

Version 1.02.49 - 4th June 2010
===============================
  Support autoloading of dm-mod module for kernels from 2.6.35.
  Document 'clear' in dmsetup man page.
  Fix semctl parameter (union) to avoid misaligned parameter on some arches.
  Add dm_tree_node_set_presuspend_node() to presuspend child when deactivating.
  Initial support for replicator target.

Version 1.02.48 - 17th May 2010
================================
  Use -d to control level of messages sent to syslog by dmeventd.
  Change -d to -f to run dmeventd in foreground.
  Do not print encryption key in message debug output (cryptsetup luksResume).
  Fix dmeventd static build library dependencies.
  Fix udev flags on remove in create_and_load error path.

Version 1.02.47 - 30th April 2010
=================================
  Add support for new IMPORT{db} udev rule.
  Add DM_UDEV_PRIMARY_SOURCE_FLAG udev flag to recognize proper DM events.
  Also include udev libs in libdevmapper.pc when udev_sync is enabled.
  Cache bitset locations to speed up _calc_states.
  Add a regex optimisation pass for shared prefixes and suffixes.
  Add dm_bit_and and dm_bitset_equal to libdevmapper.
  Simplify dm_bitset_create.
  Speed up dm_bit_get_next with ffs().

Version 1.02.46 - 14th April 2010
=================================
  Change dm_tree_deactivate_children to fail if device is open.
  Wipe memory buffers for dm-ioctl parameters before releasing.
  Strictly require libudev if udev_sync is used.
  Add support for ioctl's DM_UEVENT_GENERATED_FLAG.

Version 1.02.45 - 9th March 2010
================================
  Add --showkeys parameter description to dmsetup man page.
  Add --help option as synonym for help command.

Version 1.02.44 - 15th February 2010
====================================
  Add DM_UDEV_DISABLE_LIBRARY_FALLBACK udev flag to rely on udev only.
  Export dm_udev_create_cookie function to create new cookies on demand.
  Add --udevcookie, udevcreatecookie and udevreleasecookie to dmsetup.
  Set udev state automatically instead of using DM_UDEV_DISABLE_CHECKING.

Version 1.02.43 - 21st January 2010
===================================
  Remove bitset, hash and pool headers superceded by libdevmapper.h.
  Fix off-by-one error causing bad cluster mirror table construction.

Version 1.02.42 - 14th January 2010
===================================
  Add support for the "snapshot-merge" kernel target (2.6.33-rc1).
  Introduce a third activation_priority level in dm_tree_activate_children.

Version 1.02.41 - 12th January 2010
===================================
  If DM_UDEV_DISABLE_CHECKING is set in environment, disable udev warnings.
  Add dm_tree_add_dev_with_udev_flags to provide wider support for udev flags.
  Add --noudevrules option for dmsetup to disable /dev node management by udev.
  Fix 'dmsetup info -c -o all' to show all fields.
  Return errors if dm_tree_*_children functions fail.
  Fix coredump and memory leak for 'dmsetup help -c'.
  Disable udev rules for change events with DISK_RO set.

Version 1.02.40 - 19th November 2009
====================================
  Fix install_device-mapper Makefile target to not build dmeventd plugins.
  Support udev flags even when udev_sync is disabled or not compiled in.
  Remove 'last_rule' from udev rules: honour DM_UDEV_DISABLE_OTHER_RULES_FLAG.
  Add dmsetup --inactive support.
  Add dm_task_query_inactive_table to libdevmapper for kernel driver >= 4.16.
  Fix hash lookup segfault when keys compared are different lengths.

Version 1.02.39 - 26th October 2009
===================================
  Remove strict default permissions for DM devices from 95-dm-notify.rules.
  Add dmsetup udevflags command to decode udev flags in given cookie value.
  Support udev flags in libdevmapper incl. dm_tree_add_new_dev_with_udev_flags.
  Make libdm ABI consistent when built with/without selinux support.

Version 1.02.38 - 25th September 2009
=====================================
  Export DM_DEV_DIR_UMASK, the default umask for /dev directories created.
  Handle any path supplied to dm_task_set_name by looking up in /dev/mapper.
  Add several examples to 12-dm-permissions.rules.
  Add splitname and --yes to dmsetup man page.
  Fix _mirror_emit_segment_line return code.
  Fix dmeventd _temporary_log_fn parameters. (2.02.50)

Version 1.02.37 - 15th September 2009
=====================================
  Add dmsetup manpage entries for udevcomplete_all and udevcookies.
  Check udev is running when processing cookies and retain state internally.
  Add y|--yes option to dmsetup for default 'yes' answer to prompts.
  Fix tools Makefile to process dmsetup sources separately.
  Restore umask when device node creation fails.
  Check kernel vsn to use 'block_on_error' or 'handle_errors' in mirror table.
  Add dm-log-userspace.h to tree for cmirrord builds.

Version 1.02.36 - 6th August 2009
=================================
  Add udevcookies, udevcomplete, udevcomplete_all and --noudevwait to dmsetup.
  Add libdevmapper functions to support synchronisation with udev.

Version 1.02.35 - 28th July 2009
================================
  Add LOG_LINE_WITH_ERRNO macro.
  Use log_error macro consistently throughout in place of log_err.

Version 1.02.34 - 15th July 2009
================================
  Use _exit() not exit() after forking to avoid flushing libc buffers twice.
  Rename plog macro to LOG_LINE & add LOG_MESG variant for dm_dump_memory_debug.
  Change plog to use dm_log_with_errno unless deprecated dm_log_init was used.
  Add dm_log_with_errno and dm_log_with_errno_init, deprecating the old fns.
  Fix whitespace in linear target line to fix identical table line detection.
  Add device number to more log messages during activation.

Version 1.02.33 - 30th June 2009
================================
  Don't fallback to default major number: use dm_task_set_major_minor. (1.02.31)
  Do not fork daemon when dmeventd cannot be found.
  Add crypt target handling to libdevmapper tree nodes.
  Add splitname command to dmsetup.
  Add subsystem, vg_name, lv_name, lv_layer fields to dmsetup reports.
  Make mempool optional in dm_split_lvm_name().

Version 1.02.32 - 21st May 2009
===============================
  Only generate libdevmapper.a when configured to link statically.
  Export dm_tree_node_size_changed() from libdevmapper.
  Propagate the table size_changed property up the dm device tree.
  Detect failure to free memory pools when releasing the library.
  Fix segfault when getopt processes dmsetup -U, -G and -M options.

Version 1.02.31 - 3rd March 2009
================================
  If kernel supports only one dm major number, use in place of any supplied.

Version 1.02.30 - 26th January 2009
====================================
  Add "all" field to reports expanding to all fields of report type.
  Enforce device name length and character limitations in libdm.
  Replace _dm_snprintf with EMIT_PARAMS macro for creating target lines.

Version 1.02.29 - 10th November 2008
====================================
  Merge device-mapper into the LVM2 tree.
  Split out dm-logging.h from log.h.
  Use lvm-types.h                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             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