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Support sparse file optimizations on Mac #3

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sduchesneau opened this issue Sep 10, 2018 · 0 comments

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sduchesneau commented Sep 10, 2018

Sparse files are supported by the OS, but I'm lacking two operations in Go libraries:

fiemap (finding the mapped segments in a sparse file to figure out what should be ignored when reading from disk)
punch_hole (removing assigned chunks...)

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