Page MenuHomeFreeBSD

ufs/ffs: detect endian mismatch between machine and filesystem
AbandonedPublic

Authored by alfredo on Dec 17 2022, 3:00 AM.
Tags
None
Referenced Files
Unknown Object (File)
Fri, Apr 3, 8:20 PM
Unknown Object (File)
Wed, Apr 1, 2:10 AM
Unknown Object (File)
Mon, Mar 30, 2:46 AM
Unknown Object (File)
Mon, Mar 23, 8:22 AM
Unknown Object (File)
Sun, Mar 22, 5:41 PM
Unknown Object (File)
Jan 22 2026, 7:11 PM
Unknown Object (File)
Jan 13 2026, 4:02 PM
Unknown Object (File)
Dec 1 2025, 5:19 PM
Subscribers

Details

Reviewers
None
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

Diff Detail

Repository
rG FreeBSD src repository
Lint
Lint Passed
Unit
No Test Coverage
Build Status
Buildable 48737
Build 45623: arc lint + arc unit