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Chapter 7. XFS Extended Attributes

7.1. Extended Attributes
7.2. EA Namespaces
7.3. EA Command Line Interface
7.4. EA Ondisk Format
7.5. EA Tuning
7.6. EA and Attr2
7.7. EA and Backup

7.1. Extended Attributes

Extended Attributes (EA) are a set of <name,value> pairs associated with an inode
Who uses them?
  • Access Control Lists (ACL)
  • SELinux
  • Beagle indexer
Name is a null terminated string <= 255 chars
Value is binary data <= 64K