Am Donnerstag, den 26.08.2004, 17:37 +0200 schrieb Christoph Hellwig: > > > compression or encryption must sit below the pagecache to work nicely, > > > and this hint things that usually sit at the pagecache level. But let's > > > assume you have a valid use for different file_operations, why don't you > > > simply add in different file_operations instead of adding another > > > internal dispatch layer? > > > > I don't know, ask Hans. How could the VFS know it a filesystem wants to > > do something specific with a file that is completely transparent to the > > VFS? > > The VFS shouldn't, that the whole point. That's why it allows the > filesystem to register different method tables for each object.
Only the objects it can distinguish. > ops->file = reiser4_file_operations; > ops->symlink = reiser4_symlink_inode_operations; > ops->special = reiser4_special_inode_operations; > ops->dentry = reiser4_dentry_operations; > ops->as = reiser4_as_operations; How could reiser4 register other operations for files that should be stored encrypted or compressed? It's all under reiser4_file_operations.
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