Courses/Computer Science/CPSC 457.F2013/Lecture Notes/XAttr

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Extended Attributes

In this session, we will consider how the kernel supports extended attributes for certain file systems. We will look at how to access these attributes from userland and what the support looks like in the kernel. We will consider how extended attributes can be used to support access control lists (an alternative to traditional Unix file permissions).

ext4 inode definition

ext4 xattr support

kernel xattr interface


  • TBD

Scribe Notes