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Fedora 11 New Extended File Attributes Namespace

I am experimenting with XAM (eXtensible Access Method), which is a storage standard developed by SNIA (Storage Networking Industry Association and have developed a first prototype of a VIM (Vendor Interface Module) for the ext4 file system based on adding another namespace to the current extended file attributes support.  Since other Linux developers might be interested in how to add an extended attributes namespace to a file system, I decided to publish this post as a guide. Extended file attributes (EA) are extensions to the normal attributes which are associated with inodes in a file system.  They are simply name:value