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Feature use ref block cloning #2
- #6467
#6467
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Feature use ref block cloning #2
#6467
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Commits on Sep 18, 2026
Initial plan
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compat: add a block-cloning primitive
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worktree: clone unchanged files on capable volumes
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fixup! compat: add a block-cloning primitive
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fixup! compat: add a block-cloning primitive
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fixup! worktree: clone unchanged files on capable volumes
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amend! compat: add a block-cloning primitive
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amend! compat: add a block-cloning primitive
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amend! compat: add a block-cloning primitive
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amend! worktree: clone unchanged files on capable volumes
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fixup! compat: add a block-cloning primitive
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fixup! worktree: clone unchanged files on capable volumes
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fixup! worktree: clone unchanged files on capable volumes
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fixup! worktree: clone unchanged files on capable volumes
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fixup! worktree: clone unchanged files on capable volumes
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fixup! worktree: clone unchanged files on capable volumes
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fixup! worktree: clone unchanged files on capable volumes
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fixup! worktree: clone unchanged files on capable volumes
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Commits on Oct 3, 2026
files which needs conversion are skipped from cloning
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path of index needs be absolute to point old index so it can resolve source of cloning properly
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Test writes cloned blocks to output for later evaluation, CRLF are not expected to be cloned even it those files are clean, that is more conservative approach.
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Commits on Oct 4, 2026
significant performance improvement - cloned files are not prefilled with zeros
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ReFS alignment is cached for given drive, it also solves problem if failed clone attempt on NTFS
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Removal of useless allocation padding which hurt performance. It is not needed because proper file size was set on file creation.
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optimized cache lookup function without tolower() ans simplified most often use case
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performance optimization, minimizing system calls
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Commits on Oct 5, 2026
performance optimization - minimizing system calls, some checks are skipped if worktree is created in empty folder
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cloning is done only for files over 160KB by default, last unaligned segment is not cloned because cloning not aligned segment is slow, it is rather copied from source. Fixed and optimized check fo…
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