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afeca99aef
Note that "cloning" means either true block cloning via `ioctl(FICLONE)` or any kind of local copy in general via fallback to `io.Copy()`. TBD: - fallback to restoring a file normally if it could not be cloned - track all potential cloning sources for each file (every copy that was restored rather than cloned) and try to clone from each copy in turn (Why: imagine a set of duplicate files being restored N:M to a set of distinct filesystems or subvolumes or datasets, such that some pairs can be used as operands to a block cloning operation and some cannot) - progress reporting (report how much space we have saved, or not) Non-goals: - cloning individual blobs via `ioctl(FICLONERANGE)` (Why: this is not going to work very well, if at all, due to blobs not being aligned to any kind of a fundamental block size, _and_ this will impact cloning entire files unless the latter is special-cased, which is exactly what is being done here.) |
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| feature | ||
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| fs | ||
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| migrations | ||
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| restic | ||
| restorer | ||
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