mhx/dwarfs v0.11.0

dwarfs-0.11.0

on GitHub

Bugfixes

• Remove the access implementation from the FUSE driver. There's no point here trying to be more clever than FUSE's default. This makes sure DwarFS will behave more like other FUSE file systems. See github discussion #244 for details.
• Limit the number of chunks returned in inodeinfo xattr. Highly fragmented files would have megabytes in inodeinfo, which not only breaks the xattr interface, but can also dramatically slow down tools like eza who like to read xattrs for no apparent reason.
• Avoid nested indentation in manpages to work around ronn-ng bug. Fixes github #249.
• Don't link library against jemalloc. This fixes both issues with pydwarfs and issues building with jemalloc support on macOS. Only the binaries are now linked against jemalloc, which should be sufficient.

Features

• Support case-insensitive lookups. Fixes github #232.
• Allow setting image size in FUSE driver. Fixes github #239.
• Support extracting a subset of files with dwarfsextract using the new --pattern option. The same glob patterns can be used as for the filter rules in mkdwarfs. Fixes github #243.
• Allow overriding UID / GID for the whole file system when using the FUSE driver on non-Windows platforms. See github discussion #244.
• Expose more LZMA options (mode, mf, nice, depth).
• Improve filter patterns, which now support ranges and complementation.
• Improve speed of filesystem walk / walk_data_order calls by 80% / 40%. The impact of this will largely depend on what the code is being run for each inode, but, for example, the speed of listing more than 14 million files with dwarfsck will take about 16 seconds compared to 17 seconds with the previous release.
• Added an inode size cache to the metadata to speed up file size computation for large, highly fragmented files. The configuration is currently fixed using a conservative default. Only files with at least 128 chunks will be added to the cache, so in a lot of cases this cache may be completely empty and not contribute to the size of the file system image at all.
• Use bit-packing for hardlink, shared files, and chunk tables. This will consume less memory when loading a DwarFS image.
• Show total hardlink size in dwarfsck output.
• Library: return a dir_entry_view from readdir and find. This is more consistent, but was previously not easily possible due to the lack of a "self" dir entry in the metadata. The "self" entry has been added and will only impact the size of the metadata if directories metadata is not packed.
• Library: prefer std::string_view over char const*.
• Library: add directory iterator to directory_view.
• Library: support for maxiov parameter in readv call.

Other

• Lots of internal refactoring to improve overall code quality.

Full Changelog: v0.10.2...v0.11.0

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