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A comment on `three = 1` in the Linux sourcecode (2014). Parent comment

Re:`three = 1` in the Linux sourcecode (2014) by warkdarrior on Tuesday March 09, 2021 @02:25PM (#26402796)
Write a filesystem that saves all data blocks to disk, but:

- if the data block id is a multiple of 3, replace its contents with 0x03

- if the data block id is a multiple of 5, replace its contents with 0x05

- if the data block id is a multiple of both 3 and 5, replace its contents with 0x15

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