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ufs/ffs: detect endian mismatch between machine and filesystem
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Authored by alfredo on Dec 17 2022, 3:00 AM.
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Summary

Mount on a LE machine a filesystem formatted for BE is not supported
currently. This adds a check for the superblock magic number using
swapped bytes to guess and warn the user that it may be a valid
superblock but endian is incompatible.

MFC after: 2 weeks

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Repository
rG FreeBSD src repository
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Unit
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Build Status
Buildable 48737
Build 45623: arc lint + arc unit