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| Name: dwarfs | Distribution: openSUSE Tumbleweed |
| Version: 0.13.0 | Vendor: openSUSE |
| Release: 1.1 | Build date: Wed Sep 3 00:55:02 2025 |
| Group: Unspecified | Build host: reproducible |
| Size: 1618465 | Source RPM: dwarfs-0.13.0-1.1.src.rpm |
| Packager: http://bugs.opensuse.org | |
| Url: https://github.com/mhx/dwarfs | |
| Summary: Deduplicating compressed read-only file system | |
The Deduplicating Warp-speed Advanced Read-only File System. DwarFS is a deduplicating compressed read-only file system particularly suited for very redundant data. Compared to SquashFS, it is typically more efficient.
GPL-3.0-or-later AND MIT
* Tue Sep 02 2025 Mia Herkt <mia@0x0.st>
- Update to version 0.13.0:
Bugfixes:
* Made section index discovery more robust.
gh#mhx/dwarfs#264
* A recent kernel change (https://lkml.org/lkml/2025/5/5/2868)
caused the tools_test to fail on Linux 6.14 and later.
This has been fixed by accepting both EPERM and ENOSYS as
valid error codes for link() calls.
Features:
* Support for big-endian architectures.
This is still experimental, even though all unit tests pass
with QEMU, and the benchmark suite runs fine on real hardware.
This currently requires forked versions of folly and fsst.
The changes are small and the pull requests will hopefully be
merged upstream soon.
* Experimental support for 32-bit architectures.
While DwarFS should mostly "just work" on 32-bit when using
small images (a few hundred megabytes), the limited address
space is a problem for the extensive use of memory-mapped
files inside DwarFS. There will be changes to limit the use of
mmap in the future (mainly due to other issues), which should
help 32-bit compatibility as a side-effect.
gh#mhx/dwarfs#268.
* The category metadata for categorized blocks is now stored in
the metadata block by default. This allows re-compressing the
blocks with a metadata-dependent algorithm (e.g. FLAC) even if
they were previously compressed using a metadata-independent
algorithm.
This can be disabled using the --no-category-metadata option.
See the mkdwarfs man page for more details.
* The --no-category-names and --no-category-metadata options can
be used to reduce the size of the metadata. However, this will
make it impossible to use metadata-dependent compression
algorithms (e.g. FLAC), or even select category-specific
compression, when recompressing the image.
* Metadata rebuilding is now supported in mkdwarfs using the
- -rebuild-metadata option. Previously, the metadata could only
be recompressed, but it was impossible to change it. With the
new option, it is now possible to change metadata packing and
apply operations like --set-owner, --set-group, --set-time,
- -time-resolution, --chmod, or --no-create-timestamp.
Note that these are potentially lossy operations that may be
irreversible. By default, the history of metadata rebuilds is
tracked in the metadata itself, but this can be disabled using
- -no-metadata-version-history.
* In addition to metadata rebuilding, it is now also possible to
change the block size of an existing image using the
- -change-block-size option. This implies --rebuild-metadata
and --recompress=all. This can be useful for tuning the
performance of an existing image without having to re-create
it from scratch.
* mkdwarfs now shows its current memory usage while running.
Note that -L/--memory-limit still only limits the memory used
for the block queue, not the overall memory usage. Fixing this
is on the roadmap, there's no need to file an issue.
* dwarfsextract has new options to control the output format:
- -format-options and --format-filters. There is also
- -format=auto to automatically "guess" the format and filters
based on the output file name.
* dwarfsck has a new frozen_details detail level that will show
the frozen_analysis content ordered by memory location instead
of memory usage and also shows the address range of each
section.
* Sun Aug 24 2025 Jan Engelhardt <jengelh@inai.de>
- Replace wrong BuildRequires pkgconfig(clzma) -> pkgconfig(liblzma);
build only succeeded previously by accident.
* Sat Jun 21 2025 Mia Herkt <mia@0x0.st>
- Update to version 0.12.4:
Bugfixes
* Segfault on bad_compression_ratio_error. When recompressing a
filesystem where some blocks cannot be compressed using the
selected algorithm because of a bad_compression_ratio_error,
the resulting block was left empty.
* Add history unless --no-history is given when rewriting a file
system image.
* Allow dumping frozen_layout w/o frozen_analysis in dwarfsck.
* Logging timestamps should show local time.
Features
* More complete breakdown of metadata in dwarfsck.
* Add schema_raw_dump flag to dwarfsck --detail.
Build
* Update folly/fbthrift/fsst.
* Mon Apr 21 2025 Mia Herkt <mia@0x0.st>
- Update to version 0.12.3:
Bugfixes
* Automatic image offset detection (for images using a custom
header) did not work correctly if the header contained a
string that would be identified as the start of a v1 section
header (these were only used before dwarfs-0.3.0).
If there was either "DWARFS\x02\x00" or "DWARFS\x02\x01" in
the header, offset detection would fail. The check has been
modified to peek further into the data and ensure this really
is a v1 section header, and also checking if the next section
header position can be derived from the length field.
It is still possible to construct a file system image where
offset detection will ultimately fail, but it is much less
likely with the change.
- Changes in version 0.12.2:
Bugfixes
* The dwarfs-0.12.0 release introduced a performance regression
where FLAC compression took more than twice as long as in the
previous releases. This has been fixed. FLAC decompression was
unaffected.
* Sun Apr 13 2025 Mia Herkt <mia@0x0.st>
- Update to version 0.12.1:
Features
* Added --memory-limit=auto to mkdwarfs to use a more reasonable
(hopefully) default for the block queue. The old default of
1 GiB was quite arbitrary and definitely not suitable for
low-end systems. The new auto default will determine the limit
based on the number of workers (which in turn is based on the
number of CPUs), the block size, and the amount of physical
memory of the system.
* Replaced vector_byte_buffer with malloc_byte_buffer, which is
internally based around a simple buffer that doesn't incur the
cost of initializing each element like std::vector. Especially
for large blocks which are known to be overwritten immediately,
this can save a few CPU cycles.
- Changes in version 0.12.0:
* New Licensing Conditions: Instead of being all GPL-3.0 like all
the previous releases, this release changes the license of a
large fraction of the DwarFS code to MIT. All tools and
libraries that only read DwarFS images are now MIT-licensed.
Everything else (e.g. mkdwarfs) is still GPL-3.0 for the time
being.
Bugfixes
* Changes for compatibility with Boost.Process v2.
Features
* Re-licensed all libraries required for reading DwarFS images
under the MIT license. The source of all tools that just read
DwarFS images (i.e. everything except for mkdwarfs) are also
under the MIT license now. Everything else is still GPL-3.0.
gh#mhx/dwarfs#255
* New hotness categorizer in mkdwarfs that allows a list of "hot"
files to be stored in distinct file system blocks.
* New explicit ordering mode in mkdwarfs that allows files to be
ordered accoring to the order in a given list file.
* dwarfs now shows the version of the FUSE library used.
* New dwarfs options preload_all and preload_category to populate
the block cache immediately after mounting.
* New dwarfs option analysis_file that can be used for profiling
and as input to mkdwarfs new hotness categorizer and explicit
ordering mode.
* New dwarfs option block_allocator that allows the user to
switch from a malloc-based block allocator to an mmap-based
one. This can help with returning memory back to the system if
the blocks are evicted from the cache.
* Fri Apr 04 2025 Jan Engelhardt <jengelh@inai.de>
- Use SRPM base name for devel subpackage
* Tue Apr 01 2025 Mia Herkt <mia@0x0.st>
- Initial package, version 0.11.3
/usr/bin/dwarfs /usr/bin/dwarfsck /usr/bin/dwarfsextract /usr/bin/mkdwarfs /usr/sbin/mount.dwarfs /usr/share/doc/packages/dwarfs /usr/share/doc/packages/dwarfs/README.md /usr/share/licenses/dwarfs /usr/share/licenses/dwarfs/LICENSE /usr/share/man/man1/dwarfs.1.gz /usr/share/man/man1/dwarfsck.1.gz /usr/share/man/man1/dwarfsextract.1.gz /usr/share/man/man1/mkdwarfs.1.gz /usr/share/man/man5/dwarfs-format.5.gz
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Fabrice Bellet, Wed Sep 10 23:58:17 2025