Bug fixes
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For fragments that are compressed with an algorithm that requires a granularity greater than 1 byte, sparse files with holes could trigger an error and cause the file to be empty in the output file system if the hole boundaries were not aligned to the granularity. This can easily be the case for 24-bit PCM audio files with long periods of silence, where the source file system has punched holes into the file to save space. The fix is to only treat holes specially if the compression algorithm has a granularity of 1 byte. For other granularities, holes are simply treated as "regular" runs of zeros. This is justifiable since PCM audio files are unlikely to contain gigabytes worth of silence, and even then this it would still be de-duplicated away by the segmenter. Fixes GitHub issue [#378].
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When changing the block size of a DwarFS image, the inode size cache update would only ever add new entries, but never remove inodes that no longer had the minimum number of chunks to qualify for being cached. This could eventually trigger the consistency check in
dwarfsckand cause it to fail. The fix is to remove any unqualifying inodes from the cache.
Full Changelog: https://github.com/mhx/dwarfs/compare/v0.15.6...v0.15.7
