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    SubjectRe: metadata plugins (was Re: the " 'official' point of view" expressed by regarding reiser4 inclusion)
    David Masover writes:
    > Nikita Danilov wrote:
    > > As you see, ext2 code already has multiple file "plugins", with
    > > persistent "plugin id" (stored in i_mode field of on-disk struct
    > > ext2_inode).
    > Aha! So here's another question: Is it fair to ask Reiser4 to make its
    > plugins generic, or should we be asking ext2/3 first?

    ext2/3 plugins are generic: in Linux every file system can implement
    per-object behavior by specifying
    {file,inode,dentry,address_space}_operations. This mechanism is provided
    by VFS (and, in fact, is the only way that VFS interacts with file
    system) and is completely generic.



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