Linux 5.10 Solves the Year 2038 Problem Until 2486
The Linux 5.10 kernel's XFS file-system will have two new on-disk meta-data capabilities, reports Phoronix: 1. The size of inode btrees in the allocation group is now recorded. This is for increasing redundancy checks and also allowing faster mount times. 2. Support for timestamps now until the year 2486. This "big timestamps" feature is the refactoring of their timestamp and inode encoding functions to handle timestamps as a 64-bit nanosecond counter and bit shifting to increase the effective size. This now allows XFS to run well past the Year 2038 problem (where storing the time since 1970 in seconds will no longer fit in a signed 32-bit integer and thus wraparound) to now the Year 2486. Making a new XFS file-system with bigtime enabled allows a timestamp range from December 1901 to July 2486 rather than December 1901 to January 2038. For preserving backwards compatibility, the big timestamps feature is not currently enabled by default.
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