btrfs-progs/CHANGES

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btrfs-progs-4.7 (2016-07-29)
* convert: fix creating discontig extents
* check: speed up traversing heavily reflinked extents within a file
* check: verify qgroups of higher levels
* check: repair can now fix wrong qgroup numbers
* balance: new option to run in the background
* defrag: default extent target size changed to 32MiB
* du: silently skip non-btrfs dirs/files
* documentation updates: btrfs(5), btrfs(8), balance, subvolume, scrub,
filesystem, convert
* bugfixes:
* unaligned access (reported for sparc64) in raid56 parity calculations
* use /bin/bash
* other stability fixes and cleanups
* more tests
btrfs-progs-4.6.1 (2016-06-24)
* fi resize: negative resize argument accepted again
* qgroup rescan: fix skipping when rescan is in progress
* mkfs: initialize stripesize to correct value
* testsuite updates, mostly convert tests
* documentation updates
* btrfs-device, btrfs-restore manual pages enhanced
* misc fixups
btrfs-progs-4.6 (2016-06-10)
* convert - major rewrite:
* fix a long-standing bug that led to mixing data blocks into metadata block
groups
* the workaround was to do full balance after conversion, which was
recommended practice anyway
* explicitly set the lowest supported version of e2fstools to 1.41
* provide and install udev rules file that addresses problems with device
mapper devices, renames after removal
* send: new option: quiet
* dev usage: report slack space (device size minus filesystem area on the dev)
* image: support DUP
* build: short options to enable debugging builds
* other:
* code cleanups
* build fixes
* more tests and other enhancements
btrfs-progs-4.5.3 (2016-05-11)
* ioctl: fix unaligned access in buffer from TREE_SEARCH; might cause SIGBUS
on architectures that do not support unaligned access and do not performa
any fixups
* improved validation checks of superblock and chunk-related structures
* subvolume sync: fix handling of -s option
* balance: adjust timing of safety delay countdown with --full-balance
* rescue super-recover: fix reversed condition check
* check: fix bytes_used accounting
* documentation updates: mount options, scrub, send, receive, select-super,
check, mkfs
* testing: new fuzzed images, for superblock and chunks
btrfs-progs-4.5.2 (2016-05-02)
* new/moved command: btrfs-calc-stats -> btrfs inspect tree-stats
* check: fix false alert for metadata blocks crossing stripe boundary
* check: catch when qgroup numbers mismatch
* check: detect running quota rescan and report mismatches
* balance start: add safety delay before doing a full balance
* fi sync: is now silent
* fi show: don't miss filesystems with partially matching uuids
* dev ready: accept only one argument for device
* dev stats: print "devid:N" for a missing device instead of "(null)"
* other:
* lowest supported version of e2fsprogs is 1.41
* minor cleanups, test updates
btrfs-progs-4.5.1 (2016-03-31)
* mkfs: allow DUP on multi-device filesystems
* bugfixes: build fixes, assorted other fixes
btrfs-progs-4.5 (2016-03-20)
New/moved commands:
* btrfs-show-super -> btrfs inspect-internal dump-super
* btrfs-debug-tree -> btrfs inspect-internal dump-tree
New commands:
* btrfs fi du - calculate disk usage, including shared extents
Enhancements:
* device delete - delete by id (needs kernel support, not merged to
4.6)
* check - new option to specify chunk root
* debug-tree/dump-tree - option -t understands human readable name of
the tree (along numerical ids)
* btrfs-debugfs - can dump block group information
Bugfixes:
* all commands should accept the option separator "--"
* several fixes in device scan
* restore works on filesystems with sectorsize > 4k
* debug-tree/dump-tree - print compression type as string
* subvol sync: fix crash, memory corruption
* argument parsing fixes: subvol get-default, qgroup create/destroy/
assign, inspect subvolid-resolve
* check for block device or regular file in several commands
Other:
* documentation updates
* manual pages for the moved tools now point to btrfs-filesystem
* testsuite updates
btrfs-progs-4.4.1 (2016-02-26)
* find-root: don't skip the first chunk
* free-space-tree compat bits fix
* build: target symlinks
* documentation updates
* test updates
btrfs-progs-4.4 (2016-01-18)
User visible changes:
* mkfs.btrfs --data dup
People asked about duplicating data on a single device for a long time. There
are no technical obstacles preventing that, so it got enabled with a warning
about potential dangers when the device will not do the duplicated copies. See
mkfs.btrfs section DUP PROFILES ON A SINGLE DEVICE.
* support balance filters added/enhanced in linux 4.4
* usage=min..max -- enhanced to take range
* stripes=min..max -- new, filter by stripes for raid0/10/5/6
* limit=min..max -- enhanced to take range
Note: due to backward compatibility, the range maximum for 'usage' is not
inclusive as for the others, to keep the same behaviour as usage=N .
* manual pages enhanced (btrfs, mkfs, mount, filesystem, balance)
* error messages updates, rewordings -- some fstests may break due to that
* added support for free-space-tree implementation of space cache -- this
requires kernel 4.5 and is not recommended for non-developers yet
* btrfs filesystem usage works with mixed blockgroups
Other:
* installation to /usr/local -- this has unintentionally changed during
conversion to autotools in 3.19
* check: fix a false alert where extent record has wrong metadata flag
* improved stability on fuzzed/crafted images when reading sys array in
superblock
* build: the 'ar' tool is properly detected during cross-compilation
* debug-tree: option -t understands ids for tree root and chunk tree
* preparatory work for btrfs-convert rewrite
* sparse, gcc warning fixes
* more memory allocation failure handling
* cleanups
* more tests
Bugfixes:
* chunk recovery: fix floating point exception
* chunk recovery: endianity bugfix during rebuild
* mkfs with 64K pages and nodesize reported superblock checksum mismatch
* check: properly reset nlink of multi-linked file
btrfs-progs-4.3.1 (2015-11-16)
* fixes
* device delete: recognize 'missing' again
* mkfs: long names are not trimmed when doing ssd check
* support partitioned loop devices
* other
* replace several mallocs with on-stack variables
* more memory allocation failure handling
* add tests for bugs fixed
* cmd-device: switch to new message printing helpers
* minor code cleanups
btrfs-progs-4.3 (2015-11-06)
* mkfs
* mixed mode is not forced for filesystems smaller than 1GiB
* mixed mode broken with mismatching sectorsize and nodesize, fixed
* print version info earlier
* print devices sorted by id
* do not truncate target image with --rootsize
* fi usage:
* don't print global block reserve
* print device id
* minor output tuning
* other cleanups
* calc-size:
* div-by-zero fix on an empty filesystem
* fix crash
* bugfixes:
* more superblock sanity checks
* consistently round size of all devices down to sectorsize
* misc leak fixes
* convert: don't try to rollback with a half-deleted ext2_saved
subvolume
* other:
* check: add progress indicator
* scrub: enhanced error message
* show-super: read superblock from a given offset
* add README
* docs: update manual page for mkfs.btrfs, btrfstune, balance,
convert and inspect-internal
* build: optional build with more warnings (W=...)
* build: better support for static checkers
* build: html output of documentation
* pretty-print: last_snapshot for root_item
* pretty-print: stripe dev uuid
* error reporting wrappers, introduced and example use
* refactor open_file_or_dir
* other docs and help updates
* testing:
* test for nodes crossing stripes
* test for broken 'subvolume sync'
* basic tests for mkfs, raid option combinations
* basic tests for fuzzed images (check)
* command intrumentation (eg valgrind)
* print commands if requested
* add README for tests
btrfs-progs-4.2.3 (2015-10-19)
* subvol sync: make it actually work again: it's been broken since 4.1.2,
due to a reversed condition it returned immediately instead of waiting
* scanning: do not scan already discovered filesystems (minor optimization)
* convert: better error message in case the filesystem is not finalized
* restore: off-by-one symlink path check fix
btrfs-progs-4.2.2 (2015-10-05)
* fi label: use fallback if the label ioctl is not available
* convert: check nodesize constraints against commandline features (-O)
* scrub: report status 'running' until all devices are finished
* device scanning might crash in some scenarios
* fi usage: print summary for non-root users
btrfs-progs-4.2.1 (2015-09-20)
* fix an off-by-one error in cross-stripe boundary check
* if nodesize was 64k, any metadata block was reported as crossing,
this leads to mkfs failure for example due to "no free blocks
found"
* for other nodesizes, if the end of the metadata block was 64k
aligned, it was incorrectly reported by fsck
* convert: don't write uninitialized data to image
* image:
* don't loop with option -t0
* don't create threads if compression is not requested
* other: minor cleanups
btrfs-progs-4.2 (2015-09-03)
* enhancements:
* mkfs: do not create extra single chunks on multiple devices
* resize: try to guess the minimal size, 'inspect min-dev-size'
* qgroup assign: add option to schedule rescan
* chunk-recover: be more verbose about the scanning process
* fixes:
* check:
* find stripes crossing stripe boundary -- created by convert
* print correct range for file hole when there are no extents
and learn how to fix it
* replace: more sanity checks
* convert: concurrency fixes related to reporting progress
* find-root: option -a will not skip the current root anymore
* subvol list: fix occasional crash
* do not create stripes crossing stripe boundary
* build:
* fixes for musl libc
* preliminary support for android (not working yet, more code changes
needed)
* new EXTRA_CFLAGS and EXTRA_LDFLAGS
* other:
* lots of cleanups
* tests: lots of updates, new tests, framework improvements
* documentation updates
* debugging: print-tree shows stripe length
btrfs-progs-4.1.2 (2015-07-14)
* urgent bugfix: mkfs creates invalid filesystem, must be recreated
btrfs-progs-4.1.1 (2015-07-10) -- Do not use this version!
Bugfixes:
* defrag: threshold overflow fix
* fsck:
* check if items fit into the leaf space
* fix wrong nbytes
* mkfs:
* create only desired block groups for single device
* preparatory work for fix on multiple devices
Enhancements:
* new alias for 'device delete': 'device remove'
Other:
* fix compilation on old gcc (4.3)
* documentation updates
* debug-tree: print nbytes
* test: image for corrupted nbytes
* corrupt-block: let it kill nbytes
btrfs-progs-4.1 (2015-06-22)
Bugfixes:
* fsck.btrfs: no bash-isms
* bugzilla 97171: invalid memory access (with tests)
* receive:
* cloning works with --chroot
* capabilities not lost
* mkfs: do not try to register bare file images
* option --help accepted by the standalone utilities
Enhancements:
* corrupt block: ability to remove csums
* mkfs:
* warn if metadata redundancy is lower than for data
* options to make the output quiet (only errors)
* mixed case names of raid profiles accepted
* rework the output:
* more comprehensive, 'key: value' format
* subvol:
* show:
* print received uuid
* update the output
* new options to specify size units
* sync: grab all deleted ids and print them as they're removed,
previous implementation only checked if there are any to be
deleted - change in command semantics
* scrub: print timestamps in days HMS format
* receive:
* can specify mount point, do not rely on /proc
* can work inside subvolumes
* send: new option to send stream without data (NO_FILE_DATA)
* convert: specify incompat features on the new fs
* qgroup:
* show: distinguish no limits and 0 limit value
* limit: ability to clear the limit
* help for 'btrfs' is shorter, 1st level command overview
* debug tree: print key names according to their C name
New:
* rescue zero-log
* btrfsune:
* rewrite uuid on a filesystem image
* new option to turn on NO_HOLES incompat feature
Deprecated:
* standalone btrfs-zero-log
Other:
* testing framework updates
* uuid rewrite test
* btrfstune feature setting test
* zero-log tests
* more testing image formats
* manual page updates
* ioctl.h synced with current kernel uapi version
* convert: preparatory works for more filesystems (reiserfs pending)
* use static buffers for path handling where possible
* add new helpers for send uilts that check memory allocations,
switch all users, deprecate old helpers
* Makefile: fix build dependency generation
* map-logical: make it work again
btrfs-progs-4.0.1 (2015-05-20)
* restore:
* can restore symlinks, new option --symlinks
* long option variants added
* convert: dropped dependency on acl.h header and libacl is not required
for build
* fix for 'check' crash
* device remove error message fix
* preparatory works for fsid change
btrfs-progs-4.0 (2015-04-29)
* resize:
* don't accept file as an argument (it's confusing)
* print better error message in case of an error
* restore: optionally restore metadata (time, mode, uid/gid)
* receive: optionally enforce chroot
* new rescue subcommand 'zero-log', same as btrfs-zero-log, but now also
part of the main utility
* check:
* free space checks match kernel, fixes incorrect reports
* convert: fix setting of checksum bit if --no-datasum is used
* fsck.btrfs: don't print messages
* fix quota rescan on PPC64 (mangled ioctl number)
* test updates
* documentation: files renamed to .asciidoc, misc fixups
btrfs-progs-3.19.1 (2015-03-25)
* convert:
* new option to specify metadata block size
* --no-progress actually works
* restore: properly handle the page boundary corner case
* build fixes:
* missing macro from public header, BTRFS_BUILD_VERSION
* wrong handling of --enable-convert
* fi usage: reports correct space for degraded mounts
* other:
* mkfs: help string updates
* completion: added 'usage' subcommands
* cleanups in qgroup code, preparatory work
btrfs-progs-3.19 (2015-03-11)
* build converted to autotools
* btrfs-image
* restore can now run in parallel threads
* fixed restore of multiple image from multiple devices onto a single
dev
* introduced metadump v2
* check: make --init-csum-tree and --init-extent-tree work together
* find-new: option to search through all metadata even if a root was
already found
* convert: show progress by default, can be turned off
* corrupt-block: option to work on a specific root
* bash completion script for all subcommands
btrfs-progs-3.18.2 (2015-01-27)
* qgroup show: print human readable sizes, options to say otherwise
* check: new option to explicitly say no to writes
* mkfs: message about trimming is not printed to stderr
* fi show: fixed return value
* tests: new infrastructure
* btrfstune: force flag can be used together with seeding option
* backtrace support is back
* getopt cleanups
* doc and help updates
btrfs-progs-3.18.1 (2015-01-09)
* minor fixes
* documentation updates
btrfs-progs-3.18 (2014-12-30)
* mkfs - skinny-metadata feature is now on by default, first introduced in
kernel 3.10
* filesystem usage - give an overview of fs usage in a way that's more
comprehensible than existing 'fi df'
* device usage - more detailed information about per-device allocations
* check
* option to set a different tree root byte number
* ability to link lost files to lost+found, caused by a recent kernel
bug
* repair of severely corrupted fs (use with care)
* convert - option to show progress
* subvol create - print the commit mode inline, print the global mode only
if --verbose
* other updates: musl-libc support, coverity bugfixes, new test images,
documentation
btrfs-progs-3.17.3 (2014-12-04)
* convert: fix conversion of sparse ext* filesystems
* show: resolve to the correct path
* fsck: more verbose error for root dir problems
btrfs-progs-3.17.2 (2014-11-19)
* check improvements
* add ability to replace missing dir item/dir indexes
* fix missing inode items
* create missing root dirid
* corrupt block: enhancements for testing fsck
* zero-log: able to reset a fs with bogus log tree pointer (bug_72151)
btrfs-progs-3.17.1 (2014-11-04)
* fi df: argument handling
* fix linking with libbtrfs
* replace: better error reporting
* fi show: fixed stall if run concurrently with balance
* check: fixed argument parsing for --subvol-extents
* fi df: SI prefixes corrected
btrfs-progs-3.17 (2014-10-17)
* check: --init-csum-tree actually does something useful, rebuilds the
whole csum tree
* /dev scanning for btrfs devices is gone
* /proc/partitions scanning is gone, blkid is used exclusively
* new subcommand subvolume sync
* filesystem df: new options to set unit format
* convert: allow to copy label from the origin, or specify a new one
btrfs-progs-3.16.2 (2014-10-01)
* a few fixes in fsck and image tools
btrfs-progs-3.16.1 (2014-09-15)
* print GlobalReserve in fi df output
* new option -R in subvol list
* library version defines
* static build is fixed
* build without documentation is possible
btrfs-progs-3.16 (2014-08-26)
* mkfs: new option to specify UUID, drop experimental notice
* check: new option to verify quotas, reduced memory requirements, new
option to print extent sharing
* restore: check length before decompression, more error handling, option
to loop during restoring
* balance: new filter 'limit'
* recover: allow to read all sb copies
* btrfstune: new option to force dangerous changes
* receive: new option to limit number of errors
* show-super: skip unrecognized sb, add option to force
* debug-tree: print tree by id
* documentation updates
btrfs-progs-3.14.2 (2014-05-29)
* documentation is now written in asciidoc and there are manpages for each
subcommand
* misc bugfixes
btrfs-progs-3.14.1 (2014-04-18)
* properties: fix handling of option -t
* restore: fix reading of compressed extents
* minor code and doc updates
btrfs-progs-3.14 (2014-04-06)
* fsck: fixes and enhancements to --init-extent-tree mode
* fsck: chunk-recover updates
* scrub: add force option -f
* send: check if subvolumes are read-only
* subvol delete: add options to affect commit behaviour
* btrfs: add property command group
* restore: add dry-run option
* restore: fix restoring of compressed files
* mkfs: support for no-holes feature
* mkfs: option -r deals with hardlinks and relative paths
* mkfs: discard phase is interruptible
* documentation updates
btrfs-progs-3.12 (2013-11-25)
* announcement, tarballs
* first release after 0.19 (2009/06) with a lot of changes