Say, you have filesystem Btrfs formatted, then you, all of the sudden as it happens, wonder — what files occupy blocks #356 and #789, how you gonna answer this question?

  • Can you add some background information: Why do you need to know? What is the situation? Commented Jun 27, 2019 at 10:47
  • 1
    @ctrl-alt-delor in my case I want to search for the file containing a give block because I'm getting corrupt leaf: root=257 block=871612416 slot=159, unexpected item end, have 639006124 expect 7856 but btrfs scrub doesn't report any issues.
    – nealmcb
    Commented Jul 26, 2021 at 2:50
  • Please add improvements to question, by improving the question: don't expect people to read all the comments, before they know what you are attempting to do. Commented Jul 26, 2021 at 17:29
  • there're no requirements to explain to everyone why someone needs something to do, it's just your own quirks you'd better to have fixed with a psychologist
    – poige
    Commented Jul 26, 2021 at 22:37


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