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Support sparse file optimizations on Mac

Open sduchesneau opened this issue 6 years ago • 0 comments

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

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

sduchesneau avatar Sep 10 '18 02:09 sduchesneau