WHATS_NEW_DM

   1 Version 1.02.68 -
   2 ==================================
   3   Fix lvm2-monitor init script to use normalized output when using vgs.
   4   Add test for max length (DM_MAX_TYPE_NAME) of target type name.
   5   Include a copy of kernel DM documentation in doc/kernel.
   6   Improve man page style for dmsetup.
   7   Fix _get_proc_number to be tolerant of malformed /proc/misc entries.
   8   Add ExecReload to dm-event.service for systemd to reload dmeventd properly.
   9   Add dm_config_tree_find_str_allow_empty and dm_config_find_str_allow_empty.
  10   Fix compile-time pool memory locking with DEBUG_MEM.
  11   Fix valgrind error reports in free of pool chunks with DEBUG_MEM.
  12   Align size of structure chunk for fast pool allocator to 8 bytes.
  13   Simplify some pointer operations in dm_free_aux() debug code.
  14   Remove unused dbg_malloc.h file from source tree.
  15   Cleanup backtraces for _create_and_load_v4().
  16   Fix alignment warning in bitcount calculation for raid segment.
  17   Allocate dm_tree structure from dm_tree pool.
  18   Update debug logging for _resume_node.
  19   Add functions to support thin provisioning target (API unstable).
  20   Improve libdm-config error path reporting.
  21   Update dmsetup resume man with --addnodeonresume/create options.
  22   Add dependency for dm man pages to man subdirectory make target all:.
  23   Add dm_tree_retry_remove to use retry logic for device removal in a dm_tree.
  24   Add dm_device_has_mounted_fs fn to check mounted filesystem on a device.
  25   Add dm_device_has_holders fn to to check use of the device by another device.
  26   Add dm_sysfs_dir to libdevmapper to retrieve sysfs location thas is set.
  27   Add dm_set_sysfs_dir to libdevmapper to set sysfs location.
  28   Add --retry option for dmsetup remove to retry removal if not successful.
  29   Add dm_task_retry_remove fn to use retry logic for device removal.
  30   Remove unused passed parameters for _mirror_emit_segment_line().
  31   Add dm_config and string character escaping functions to libdevmapper.
  32   Mark unreleased memory pools as internal error.
  33
  34 Version 1.02.67 - 19th August 2011
  35 ==================================
  36   Add dm_tree_node_add_null_area for temporarily-missing raid devs tracked.
  37
  38 Version 1.02.66 - 12th August 2011
  39 ==================================
  40   Release geometry buffer in dm_task_destroy.
  41   Update udev rules to skip DM flags decoding for removed devices.
  42   Add compile-time pool memory locking options (to debug shared VG structs).
  43   Remove device name prefix from dmsetup line output if -j & -m or -u supplied.
  44   Remove support for the original version 1 dm ioctls.
  45   Add missing check for allocation failure _create_dir_recursive().
  46   Add support for systemd file descriptor handover in dmeventd.
  47   Fix memory leak in dmsetup _message() memory allocation error path.
  48   Use new oom killer adjustment interface (oom_score_adj) when available.
  49   Add systemd unit files for dmeventd.
  50   Fix read-only identical table reload supression.
  51
  52 Version 1.02.65 - 8th July 2011
  53 ===============================
  54   Remove dev name prefix from dmsetup line output if exactly one dev requested.
  55   Report internal error if suspending a device using an already-suspended dev.
  56   Report error if a table load requiring target parameters has none supplied.
  57   Add dmsetup --checks and dm_task_enable_checks framework to validate ioctls.
  58   Add age_in_minutes parameter to dmsetup udevcomplete_all.
  59   Return immediately from dm_lib_exit() if called more than once.
  60   Disable udev fallback by default and add --verifyudev option to dmsetup.
  61   Report internal error if any table is loaded while any dev is known suspended.
  62   Add dm_get_suspended_counter() for number of devs in suspended state by lib.
  63   Fix "all" report field prefix matching to include label fields with pv_all.
  64   Delay resuming new preloaded mirror devices with core logs in deptree code.
  65   Accept new kernel version 3 uname formats in initialisation.
  66
  67 Version 1.02.64 - 29th April 2011
  68 ==================================
  69   Require libudev >= 143 when compiling with udev support.
  70   Use word alignment for dm_pool_strdup() and dm_pool_strndup().
  71   Use dm_snprintf() to fix signedness warning in dm_set_dev_dir().
  72   Use unsigned loop counter to fix signedness warning in _other_node_ops().
  73   Fix const cast in dmsetup calls of dm_report_field_string().
  74   Streamline /dev/mapper/control node code for common cases.
  75   Use hard-coded dm control node device number for 2.6.36 kernels and above.
  76   Improve stack debug reporting in dm_task_create().
  77   Fallback to control node creation only if node doesn't exist yet.
  78   Change dm_hash binary functions to take void *key instead of char *.
  79   Fix uninitialised memory use with empty params in _reload_with_suppression_v4.
  80   Lower severity of selabel_lookup and matchpathcon failure to log_debug.
  81   Add test for failed allocation from dm_task_set_uuid() in dmeventd.
  82   Add dm_event_get_version to dmeventd for use with -R.
  83   Avoid dmeventd core dumps when handling request with unknown command ID.
  84   Have dmeventd -R start up even when no existing copy is running.
  85   Accept multiple mapped device names on many dmsetup command lines.
  86   Fix dm_udev_wait calls in dmsetup to occur before readahead display not after.
  87   Include an implicit dm_task_update_nodes() within dm_udev_wait().
  88   Fix _create_and_load_v4 not to lose the --addnodeoncreate setting (1.02.62).
  89   Add inactive table query support for kernel driver >= 4.11.6 (RHEL 5.7).
  90   Log debug open_count in _node_has_closed_parents().
  91   Add a const to dm_report_field_string() data parameter.
  92
  93 Version 1.02.63 - 9th February 2011
  94 ===================================
  95   Reinstate DEBUG_MEM as it's part of the API. (1.02.62)
  96
  97 Version 1.02.62 - 4th February 2011
  98 ===================================
  99   Add configure --with-device-nodes-on=create for previous behaviour.
 100   Move creation of device nodes from 'create' to 'resume'.
 101   Add --addnodeonresume and --addnodeoncreate options to dmsetup.
 102   Add dm_task_set_add_node to libdevmapper to control dev node creation time.
 103   Add dm_task_secure_data to libdevmapper to wipe ioctl buffers in kernel.
 104   Log debug message when expected uevent is not generated.
 105   Only compile memory debugging code when DEBUG_MEM is set.
 106   Set DM_UDEV_DISABLE_OTHER_RULES_FLAG for suspended DM devices in udev rules.
 107   Begin a new pool object for each row in _output_as_rows() correctly.
 108
 109 Version 1.02.61 - 10th January 2011
 110 ===================================
 111   Add DM_COOKIE_AUTO_CREATE to libdevmapper.h.
 112   Export DM_CONTROL_NODE_UMASK and use it while creating /dev/mapper/control.
 113
 114 Version 1.02.60 - 20th December 2010
 115 ====================================
 116   Check for unlink failure in remove_lockfile() in dmeventd.
 117   Use dm_free for dm_malloc-ed areas in _clog_ctr/_clog_dtr in cmirrord.
 118   Use char* arithmetic in _process_all() & _targets() in dmsetup.
 119   Change dm_regex_create() API to accept const char * const *patterns.
 120   Add new dm_prepare_selinux_context fn to libdevmapper and use it throughout.
 121   Detect existence of new SELinux selabel interface during configure.
 122
 123 Version 1.02.59 - 6th December 2010
 124 ===================================
 125   Add backtraces to _process_mapper_dir and  _create_and_load_v4 error paths.
 126   Remove superfluous checks for NULL before calling dm_free.
 127
 128 Version 1.02.58 - 22nd November 2010
 129 ====================================
 130   Fix _output_field crash from field_id free with DEBUG_MEM. (1.02.57)
 131
 132 Version 1.02.57 - 8th November 2010
 133 ===================================
 134   Fix regex optimiser not to ignore RHS of OR nodes in _find_leftmost_common.
 135   Add dmeventd -R to restart dmeventd without losing monitoring state. (1.02.56)
 136   Fix memory leak of field_id in _output_field function.
 137   Allocate buffer for reporting functions dynamically to support long outputs.
 138
 139 Version 1.02.56 - 25th October 2010
 140 ===================================
 141   Return const pointer from dm_basename() in libdevmapper.
 142   Implement dmeventd -R to restart without state loss.
 143   Add dm_zalloc and use it and dm_pool_zalloc throughout.
 144   Add --setuuid to dmsetup rename.
 145   Add dm_task_set_newuuid to set uuid of mapped device post-creation.
 146
 147 Version 1.02.55 - 24th September 2010
 148 =====================================
 149   Fix the way regions are marked complete to avoid slow --nosync cmirror I/O.
 150   Add DM_REPORT_FIELD_TYPE_ID_LEN to libdevmapper.h.
 151
 152 Version 1.02.54 - 18th August 2010
 153 ==================================
 154   Fix dm-mod autoloading logic to not assume control node is set correctly.
 155   Add dmeventd/executable to lvm.conf to test alternative dmeventd.
 156   Export dm_event_handler_set_dmeventd_path to override built-in dmeventd path.
 157   Generate libdevmapper-event exported symbols.
 158   Remove superfluous NULL pointer tests before dm_free from dmeventd.
 159   Assume dm-mod autoloading support is in kernel 2.6.36 and higher, not 2.6.35.
 160   Fix udev rules to support udev database content generated by older rules.
 161   Reinstate detection of inappropriate uevent with DISK_RO set and suppress it.
 162   Fix regex ttree off-by-one error.
 163   Add --enable-valgrind-pool to configure.
 164   Fix segfault in regex matcher with characters of ordinal value > 127.
 165   Fix 'void*' arithmetic warnings in dbg_malloc.c and libdm-iface.c.
 166   Wait for node creation before displaying debug info in dmsetup.
 167   Fix return status 0 for "dmsetup info -c -o help".
 168   Add check for kernel semaphore support and disable udev_sync if not available.
 169
 170 Version 1.02.53 - 28th July 2010
 171 ================================
 172   Revert failed table load preparation after "create, load and resume".
 173   Switch dmeventd to use dm_create_lockfile and drop duplicate code.
 174   Add dm_create_lockfile to libdm to handle pidfiles for all daemons.
 175   Replace lookup with next in struct dfa_state & calculate states on demand.
 176   Improve the regex matcher, reducing the number of charset nodes used.
 177   Add dm_regex_fingerprint to facilitate regex testing.
 178   Skip ffs(0) in _test_word in bitset functions.
 179   Use "nowatch" udev rule for inappropriate devices.
 180
 181 Version 1.02.52 - 6th July 2010
 182 ===============================
 183   Fix dmlosetup snprintf %llu compiler warning.
 184   Add parentheses to some libdevmapper.h macro arguments.
 185   Add printf format attributes to dm_{sn,as}printf and fix a caller.
 186   Move dmeventd man page from install_lvm2 to install_device-mapper. (1.02.50)
 187
 188 Version 1.02.51 - 30th June 2010
 189 ================================
 190   Generate libdevmapper exported symbols from header file.
 191
 192 Version 1.02.50 - 23rd June 2010
 193 ================================
 194   Fix INTERNAL_ERROR typo in ioctl iface unknown task message.
 195   Fix udev rules to handle spurious events properly.
 196   Use C99 [] not [0] in dm_ulog_request struct to avoid abort when fortified.
 197   Allow use of devmapper header file in C++ mode (extern "C" and __typeof__).
 198   Add dmeventd man page.
 199
 200 Version 1.02.49 - 4th June 2010
 201 ===============================
 202   Support autoloading of dm-mod module for kernels from 2.6.35.
 203   Document 'clear' in dmsetup man page.
 204   Fix semctl parameter (union) to avoid misaligned parameter on some arches.
 205   Add dm_tree_node_set_presuspend_node() to presuspend child when deactivating.
 206   Initial support for replicator target.
 207
 208 Version 1.02.48 - 17th May 2010
 209 ================================
 210   Use -d to control level of messages sent to syslog by dmeventd.
 211   Change -d to -f to run dmeventd in foreground.
 212   Do not print encryption key in message debug output (cryptsetup luksResume).
 213   Fix dmeventd static build library dependencies.
 214   Fix udev flags on remove in create_and_load error path.
 215
 216 Version 1.02.47 - 30th April 2010
 217 =================================
 218   Add support for new IMPORT{db} udev rule.
 219   Add DM_UDEV_PRIMARY_SOURCE_FLAG udev flag to recognize proper DM events.
 220   Also include udev libs in libdevmapper.pc when udev_sync is enabled.
 221   Cache bitset locations to speed up _calc_states.
 222   Add a regex optimisation pass for shared prefixes and suffixes.
 223   Add dm_bit_and and dm_bitset_equal to libdevmapper.
 224   Simplify dm_bitset_create.
 225   Speed up dm_bit_get_next with ffs().
 226
 227 Version 1.02.46 - 14th April 2010
 228 =================================
 229   Change dm_tree_deactivate_children to fail if device is open.
 230   Wipe memory buffers for dm-ioctl parameters before releasing.
 231   Strictly require libudev if udev_sync is used.
 232   Add support for ioctl's DM_UEVENT_GENERATED_FLAG.
 233
 234 Version 1.02.45 - 9th March 2010
 235 ================================
 236   Add --showkeys parameter description to dmsetup man page.
 237   Add --help option as synonym for help command.
 238
 239 Version 1.02.44 - 15th February 2010
 240 ====================================
 241   Add DM_UDEV_DISABLE_LIBRARY_FALLBACK udev flag to rely on udev only.
 242   Export dm_udev_create_cookie function to create new cookies on demand.
 243   Add --udevcookie, udevcreatecookie and udevreleasecookie to dmsetup.
 244   Set udev state automatically instead of using DM_UDEV_DISABLE_CHECKING.
 245
 246 Version 1.02.43 - 21st January 2010
 247 ===================================
 248   Remove bitset, hash and pool headers superceded by libdevmapper.h.
 249   Fix off-by-one error causing bad cluster mirror table construction.
 250
 251 Version 1.02.42 - 14th January 2010
 252 ===================================
 253   Add support for the "snapshot-merge" kernel target (2.6.33-rc1).
 254   Introduce a third activation_priority level in dm_tree_activate_children.
 255
 256 Version 1.02.41 - 12th January 2010
 257 ===================================
 258   If DM_UDEV_DISABLE_CHECKING is set in environment, disable udev warnings.
 259   Add dm_tree_add_dev_with_udev_flags to provide wider support for udev flags.
 260   Add --noudevrules option for dmsetup to disable /dev node management by udev.
 261   Fix 'dmsetup info -c -o all' to show all fields.
 262   Return errors if dm_tree_*_children functions fail.
 263   Fix coredump and memory leak for 'dmsetup help -c'.
 264   Disable udev rules for change events with DISK_RO set.
 265
 266 Version 1.02.40 - 19th November 2009
 267 ====================================
 268   Fix install_device-mapper Makefile target to not build dmeventd plugins.
 269   Support udev flags even when udev_sync is disabled or not compiled in.
 270   Remove 'last_rule' from udev rules: honour DM_UDEV_DISABLE_OTHER_RULES_FLAG.
 271   Add dmsetup --inactive support.
 272   Add dm_task_query_inactive_table to libdevmapper for kernel driver >= 4.16.
 273   Fix hash lookup segfault when keys compared are different lengths.
 274
 275 Version 1.02.39 - 26th October 2009
 276 ===================================
 277   Remove strict default permissions for DM devices from 95-dm-notify.rules.
 278   Add dmsetup udevflags command to decode udev flags in given cookie value.
 279   Support udev flags in libdevmapper incl. dm_tree_add_new_dev_with_udev_flags.
 280   Make libdm ABI consistent when built with/without selinux support.
 281
 282 Version 1.02.38 - 25th September 2009
 283 =====================================
 284   Export DM_DEV_DIR_UMASK, the default umask for /dev directories created.
 285   Handle any path supplied to dm_task_set_name by looking up in /dev/mapper.
 286   Add several examples to 12-dm-permissions.rules.
 287   Add splitname and --yes to dmsetup man page.
 288   Fix _mirror_emit_segment_line return code.
 289   Fix dmeventd _temporary_log_fn parameters. (2.02.50)
 290
 291 Version 1.02.37 - 15th September 2009
 292 =====================================
 293   Add dmsetup manpage entries for udevcomplete_all and udevcookies.
 294   Check udev is running when processing cookies and retain state internally.
 295   Add y|--yes option to dmsetup for default 'yes' answer to prompts.
 296   Fix tools Makefile to process dmsetup sources separately.
 297   Restore umask when device node creation fails.
 298   Check kernel vsn to use 'block_on_error' or 'handle_errors' in mirror table.
 299   Add dm-log-userspace.h to tree for cmirrord builds.
 300
 301 Version 1.02.36 - 6th August 2009
 302 =================================
 303   Add udevcookies, udevcomplete, udevcomplete_all and --noudevwait to dmsetup.
 304   Add libdevmapper functions to support synchronisation with udev.
 305
 306 Version 1.02.35 - 28th July 2009
 307 ================================
 308   Add LOG_LINE_WITH_ERRNO macro.
 309   Use log_error macro consistently throughout in place of log_err.
 310
 311 Version 1.02.34 - 15th July 2009
 312 ================================
 313   Use _exit() not exit() after forking to avoid flushing libc buffers twice.
 314   Rename plog macro to LOG_LINE & add LOG_MESG variant for dm_dump_memory_debug.
 315   Change plog to use dm_log_with_errno unless deprecated dm_log_init was used.
 316   Add dm_log_with_errno and dm_log_with_errno_init, deprecating the old fns.
 317   Fix whitespace in linear target line to fix identical table line detection.
 318   Add device number to more log messages during activation.
 319
 320 Version 1.02.33 - 30th June 2009
 321 ================================
 322   Don't fallback to default major number: use dm_task_set_major_minor. (1.02.31)
 323   Do not fork daemon when dmeventd cannot be found.
 324   Add crypt target handling to libdevmapper tree nodes.
 325   Add splitname command to dmsetup.
 326   Add subsystem, vg_name, lv_name, lv_layer fields to dmsetup reports.
 327   Make mempool optional in dm_split_lvm_name().
 328
 329 Version 1.02.32 - 21st May 2009
 330 ===============================
 331   Only generate libdevmapper.a when configured to link statically.
 332   Export dm_tree_node_size_changed() from libdevmapper.
 333   Propagate the table size_changed property up the dm device tree.
 334   Detect failure to free memory pools when releasing the library.
 335   Fix segfault when getopt processes dmsetup -U, -G and -M options.
 336
 337 Version 1.02.31 - 3rd March 2009
 338 ================================
 339   If kernel supports only one dm major number, use in place of any supplied.
 340
 341 Version 1.02.30 - 26th January 2009
 342 ====================================
 343   Add "all" field to reports expanding to all fields of report type.
 344   Enforce device name length and character limitations in libdm.
 345   Replace _dm_snprintf with EMIT_PARAMS macro for creating target lines.
 346
 347 Version 1.02.29 - 10th November 2008
 348 ====================================
 349   Merge device-mapper into the LVM2 tree.
 350   Split out dm-logging.h from log.h.
 351   Use lvm-types.h.
 352   Add usrsbindir to configure.
 353
 354 Version 1.02.28 - 18th September 2008
 355 =====================================
 356   Only resume devices in dm_tree_preload_children if size changes.
 357   Extend deptree buffers so the largest possible device numbers fit.
 358   Generate versioned libdevmapper-event.so.
 359   Underline longer report help text headings.
 360
 361 Version 1.02.27 - 25th June 2008
 362 ================================
 363   Align struct memblock in dbg_malloc for sparc.
 364   Add --unquoted and --rows to dmsetup.
 365   Avoid compiler warning about cast in dmsetup.c's OFFSET_OF macro.
 366   Fix inverted no_flush debug message.
 367   Remove --enable-jobs from configure. (Set at runtime instead.)
 368   Bring configure.in and list.h into line with the lvm2 versions.
 369
 370 Version 1.02.26 - 6th June 2008
 371 ===============================
 372   Initialise params buffer to empty string in _emit_segment.
 373   Skip add_dev_node when ioctls disabled.
 374   Make dm_hash_iter safe against deletion.
 375   Accept a NULL pointer to dm_free silently.
 376   Add tables_loaded, readonly and suspended columns to reports.
 377   Add --nameprefixes to dmsetup.
 378   Add field name prefix option to reporting functions.
 379   Calculate string size within dm_pool_grow_object.
 380
 381 Version 1.02.25 - 10th April 2008
 382 =================================
 383   Remove redundant if-before-free tests.
 384   Use log_warn for reporting field help text instead of log_print.
 385   Change cluster mirror log type name (s/clustered_/clustered-/)
 386
 387 Version 1.02.24 - 20th December 2007
 388 ====================================
 389   Fix deptree to pass new name to _resume_node after a rename.
 390   Suppress other node operations if node is deleted.
 391   Add node operation stack debug messages.
 392   Report error when empty device name passed to readahead functions.
 393   Fix minimum readahead debug message.
 394
 395 Version 1.02.23 - 5th December 2007
 396 ===================================
 397   Update dm-ioctl.h after removal of compat code.
 398   Add readahead support to libdevmapper and dmsetup.
 399   Fix double free in a libdevmapper-event error path.
 400   Fix configure --with-dmeventd-path substitution.
 401   Allow a DM_DEV_DIR environment variable to override /dev in dmsetup.
 402   Create a libdevmapper.so.$LIB_VERSION symlink within the build tree.
 403   Avoid static link failure with some SELinux libraries that require libpthread.
 404   Remove obsolete dmfs code from tree and update INSTALL.
 405
 406 Version 1.02.22 - 21st August 2007
 407 ==================================
 408   Fix inconsistent licence notices: executables are GPLv2; libraries LGPLv2.1.
 409   Update to use autoconf 2.61, while still supporting 2.57.
 410   Avoid repeated dm_task free on some dm_event_get_registered_device errors.
 411   Introduce log_sys_* macros from LVM2.
 412   Export dm_fclose and dm_create_dir; remove libdm-file.h.
 413   Don't log EROFS mkdir failures in _create_dir_recursive (for LVM2).
 414   Add fclose wrapper dm_fclose that catches write failures (using ferror).
 415
 416 Version 1.02.21 - 13th July 2007
 417 ================================
 418   Introduce _LOG_STDERR to send log_warn() messages to stderr not stdout.
 419   Fix dmsetup -o devno string termination. (1.02.20)
 420
 421 Version 1.02.20 - 15th June 2007
 422 ================================
 423   Fix default dmsetup report buffering and add --unbuffered.
 424   Add tree-based and dependency fields to dmsetup reports.
 425
 426 Version 1.02.19 - 27th April 2007
 427 =================================
 428   Standardise protective include file #defines.
 429   Add regex functions to library.
 430   Avoid trailing separator in reports when there are hidden sort fields.
 431   Fix segfault in 'dmsetup status' without --showkeys against crypt target.
 432   Deal with some more compiler warnings.
 433   Introduce _add_field() and _is_same_field() to libdm-report.c.
 434   Fix some libdevmapper-event and dmeventd memory leaks.
 435   Remove unnecessary memset() return value checks.
 436   Fix a few leaks in reporting error paths. [1.02.15+]
 437
 438 Version 1.02.18 - 13th February 2007
 439 ====================================
 440   Improve dmeventd messaging protocol: drain pipe and tag messages.
 441
 442 Version 1.02.17 - 29th January 2007
 443 ===================================
 444   Add recent reporting options to dmsetup man page.
 445   Revise some report fields names.
 446   Add dmsetup 'help' command and update usage text.
 447   Use fixed-size fields in report interface and reorder.
 448
 449 Version 1.02.16 - 25th January 2007
 450 ===================================
 451   Add some missing close() and fclose() return value checks.
 452   Migrate dmsetup column-based output over to new libdevmapper report framework.
 453   Add descriptions to reporting field definitions.
 454   Add a dso-private variable to dmeventd dso interface.
 455   Add dm_event_handler_[gs]et_timeout functions.
 456   Streamline dm_report_field_* interface.
 457   Add cmdline debug & version options to dmeventd.
 458   Add DM_LIB_VERSION definition to configure.h.
 459   Suppress 'Unrecognised field' error if report field is 'help'.
 460   Add --separator and --sort to dmsetup (unused).
 461   Make alignment flag optional when specifying report fields.
 462
 463 Version 1.02.15 - 17th January 2007
 464 ===================================
 465   Add basic reporting functions to libdevmapper.
 466   Fix a malloc error path in dmsetup message.
 467   More libdevmapper-event interface changes and fixes.
 468   Rename dm_saprintf() to dm_asprintf().
 469   Report error if NULL pointer is supplied to dm_strdup_aux().
 470   Reinstate dm_event_get_registered_device.
 471
 472 Version 1.02.14 - 11th January 2007
 473 ===================================
 474   Add dm_saprintf().
 475   Use CFLAGS when linking so mixed sparc builds can supply -m64.
 476   Add dm_tree_use_no_flush_suspend().
 477   Lots of dmevent changes including revised interface.
 478   Export dm_basename().
 479   Cope with a trailing space when comparing tables prior to possible reload.
 480   Fix dmeventd to cope if monitored device disappears.
 481
 482 Version 1.02.13 - 28 Nov 2006
 483 =============================
 484   Update dmsetup man page (setgeometry & message).
 485   Fix dmsetup free after getline with debug.
 486   Suppress encryption key in 'dmsetup table' output unless --showkeys supplied.
 487
 488 Version 1.02.12 - 13 Oct 2006
 489 =============================
 490   Avoid deptree attempting to suspend a device that's already suspended.
 491
 492 Version 1.02.11 -  12 Oct 2006
 493 ==============================
 494   Add suspend noflush support.
 495   Add basic dmsetup loop support.
 496   Switch dmsetup to use dm_malloc and dm_free.
 497
 498 Version 1.02.10 - 19 Sep 2006
 499 =============================
 500   Add dm_snprintf(), dm_split_words() and dm_split_lvm_name() to libdevmapper.
 501   Reorder mm bounds_check code to reduce window for a dmeventd race.
 502
 503 Version 1.02.09 - 15 Aug 2006
 504 =============================
 505   Add --table argument to dmsetup for a one-line table.
 506   Abort if errors are found during cmdline option processing.
 507   Add lockfs indicator to debug output.
 508
 509 Version 1.02.08 - 17 July 2006
 510 ==============================
 511   Append full patch to check in emails.
 512   Avoid duplicate dmeventd subdir with 'make distclean'.
 513   Update dmsetup man page.
 514   Add --force to dmsetup remove* to load error target.
 515   dmsetup remove_all also performs mknodes.
 516   Don't suppress identical table reloads if permission changes.
 517   Fix corelog segment line.
 518   Suppress some compiler warnings.
 519
 520 Version 1.02.07 - 11 May 2006
 521 =============================
 522   Add DM_CORELOG flag to dm_tree_node_add_mirror_target().
 523   Avoid a dmeventd compiler warning.
 524
 525 Version 1.02.06 - 10 May 2006
 526 =============================
 527   Move DEFS into configure.h.
 528   Fix leaks in error paths found by coverity.
 529   Remove dmsetup line buffer limitation.
 530
 531 Version 1.02.05 - 19 Apr 2006
 532 =============================
 533   Separate install_include target in makefiles.
 534   Separate out DEFS from CFLAGS.
 535   Support pkg-config.
 536   Check for libsepol.
 537
 538 Version 1.02.04 - 14 Apr 2006
 539 =============================
 540   Bring dmsetup man page up-to-date.
 541   Use name-based device refs if kernel doesn't support device number refs.
 542   Fix memory leak (struct dm_ioctl) when struct dm_task is reused.
 543   If _create_and_load_v4 fails part way through, revert the creation.
 544   dmeventd thread/fifo fixes.
 545   Add file & line to dm_strdup_aux().
 546   Add setgeometry.
 547
 548 Version 1.02.03 - 7 Feb 2006
 549 ============================
 550   Add exported functions to set uid, gid and mode.
 551   Rename _log to dm_log and export.
 552   Add dm_tree_skip_lockfs.
 553   Fix dm_strdup debug definition.
 554   Fix hash function to avoid using a negative array offset.
 555   Don't inline _find in hash.c and tidy signed/unsigned etc.
 556   Fix libdevmapper.h #endif.
 557   Fix dmsetup version driver version.
 558   Add sync, nosync and block_on_error mirror log parameters.
 559   Add hweight32.
 560   Fix dmeventd build.
 561
 562 Version 1.02.02 - 2 Dec 2005
 563 ============================
 564   dmeventd added.
 565   Export dm_task_update_nodes.
 566   Use names instead of numbers in messages when ioctls fail.
 567
 568 Version 1.02.01 - 23 Nov 2005
 569 =============================
 570   Resume snapshot-origins last.
 571   Drop leading zeros from dm_format_dev.
 572   Suppress attempt to reload identical table.
 573   Additional LVM- prefix matching for transitional period.
 574
 575 Version 1.02.00 - 10 Nov 2005
 576 =============================
 577   Added activation functions to library.
 578   Added return macros.
 579   Also suppress error if device doesn't exist with DM_DEVICE_STATUS.
 580   Export dm_set_selinux_context().
 581   Add dm_driver_version().
 582   Added dependency tree functions to library.
 583   Added hash, bitset, pool, dbg_malloc to library.
 584   Added ls --tree to dmsetup.
 585   Added dmsetup --nolockfs support for suspend/reload.
 586
 587 Version 1.01.05 - 26 Sep 2005
 588 =============================
 589   Resync list.h with LVM2.
 590   Remember increased buffer size and use for subsequent calls.
 591   On 'buffer full' condition, double buffer size and repeat ioctl.
 592   Fix termination of getopt_long() option array.
 593   Report 'buffer full' condition with v4 ioctl as well as with v1.
 594
 595 Version 1.01.04 - 2 Aug 2005
 596 ============================
 597   Fix dmsetup ls -j and status --target with empty table.
 598
 599 Version 1.01.03 - 13 Jun 2005
 600 =============================
 601   Use matchpathcon mode parameter.
 602   Fix configure script to re-enable selinux.
 603
 604 Version 1.01.02 - 17 May 2005
 605 =============================
 606   Call dm_lib_exit() and dm_lib_release() automatically now.
 607   Add --target <target_type> filter to dmsetup table/status/ls.
 608   Add --exec <command> to dmsetup ls.
 609   Fix dmsetup getopt_long usage.
 610
 611 Version 1.01.01 - 29 Mar 2005
 612 =============================
 613   Update dmsetup man page.
 614   Drop-in devmap_name replacement.
 615   Add option to compile without ioctl for testing.
 616   Fix DM_LIB_VERSION sed.
 617
 618 Version 1.01.00 - 17 Jan 2005
 619 =============================
 620   Add dm_task_no_open_count() to skip getting open_count.
 621
 622 Version 1.00.21 - 7 Jan 2005
 623 ============================
 624   Fix /proc/devices parsing.
 625
 626 Version 1.00.20 - 6 Jan 2005
 627 ============================
 628   Attempt to fix /dev/mapper/control transparently if it's wrong.
 629   Configuration-time option for setting uid/gid/mode for /dev/mapper nodes.
 630   Update kernel patches for 2.4.27/2.4.28-pre-4 (includes minor fixes).
 631   Add --noheadings columns option for colon-separated dmsetup output.
 632   Support device referencing by uuid or major/minor.
 633   Warn if kernel data didn't fit in buffer.
 634   Fix a printf.
 635
 636 Version 1.00.19 - 3 July 2004
 637 =============================
 638   More autoconf fixes.
 639   Fix a dmsetup newline.
 640   Fix device number handling for 2.6 kernels.
 641
 642 Version 1.00.18 - 20 Jun 2004
 643 =============================
 644   Fix a uuid free in libdm-iface.
 645   Fix a targets string size calc in driver.
 646   Add -c to dmsetup for column-based output.
 647   Add target message-passing ioctl.
 648
 649 Version 1.00.17 - 17 Apr 2004
 650 =============================
 651   configure --with-owner= --with-group= to avoid -o and -g args to 'install'
 652   Fix library selinux linking.
 653
 654 Version 1.00.16 - 16 Apr 2004
 655 =============================
 656   Ignore error setting selinux file context if fs doesn't support it.
 657
 658 Version 1.00.15 - 7 Apr 2004
 659 ============================
 660   Fix status overflow check in kernel patches.
 661
 662 Version 1.00.14 - 6 Apr 2004
 663 ============================
 664   Fix static selinux build.
 665
 666 Version 1.00.13 - 6 Apr 2004
 667 ============================
 668   Add some basic selinux support.
 669
 670 Version 1.00.12 - 6 Apr 2004
 671 ============================
 672   Fix dmsetup.static install.
 673
 674 Version 1.00.11 - 5 Apr 2004
 675 ============================
 676   configure --enable-static_link does static build in addition to dynamic.
 677   Moved Makefile library targets definition into template.
 678
 679 Version 1.00.10 - 2 Apr 2004
 680 ============================
 681   Fix DESTDIR handling.
 682   Static build installs to dmsetup.static.
 683   Basic support for internationalisation.
 684   Minor Makefile tidy-ups/fixes.
 685
 686 Version 1.00.09 - 31 Mar 2004
 687 =============================
 688   Update copyright notices to Red Hat.
 689   Move full mknodes functionality from dmsetup into libdevmapper.
 690   Avoid sscanf %as for uClibc compatibility.
 691   Cope if DM_LIST_VERSIONS is not defined.
 692   Add DM_LIST_VERSIONS functionality to kernel patches.
 693   Generate new kernel patches for 2.4.26-rc1.
 694
 695 Version 1.00.08 - 27 Feb 2004
 696 =============================
 697   Added 'dmsetup targets'.
 698   Added event_nr support to 'dmsetup wait'.
 699   Updated dmsetup man page.
 700   Allow logging function to be reset to use internal one.
 701   Bring log macros in line with LVM2 ones.
 702   Added 'make install_static_lib' which installs libdevmapper.a.
 703   Made configure/makefiles closer to LVM2 versions.
 704   Fixed DESTDIR for make install/install_static_lib.
 705   Updated README/INSTALL to reflect move to sources.redhat.com.
 706   Updated autoconf files to 2003-06-17.