erofs-freebsd-out-tree/tests/TC081-metabox-backed-xattr.md

Test Case: Metabox-backed shared xattrs

Test ID: TC081-metabox-backed-xattr Fixture: metabox-plain.erofs, /metabox-a, /metabox-b

Objective

Verify shared entries, inline entries, and long-prefix shared entries from a metabox logical stream. Require SHARED_EA_IN_METABOX, xattr_blkaddr=1, carrier size/bounds, shared IDs, and prefix fields in the generator manifest.

Manual steps

lsextattr user /mnt/repo22-g4/metabox-a
getextattr -qq -x user metaboxshared /mnt/repo22-g4/metabox-a
getextattr -qq -x user metaboxshared /mnt/repo22-g4/metabox-b
getextattr -qq -x user shared-prefix-key /mnt/repo22-g4/metabox-a
getextattr -qq -x user repo22.application.component.setting \
  /mnt/repo22-g4/metabox-a

Expected results

Values are nonzero-base, nonzero-base, shared-value, and long-prefix-value; all names list once. Clean up.