KernelTrap: Reiser4 Plugins

“In the debate following Andrew Morton posting his plans for
2.6.13, the existence of a plugin layer in Reiser4 was discussed.
Jeff Garzik put it bluntly, ‘the plugin stuff is crap. This is not
a filesystem but a filesystem new layer. IMO considered in that
light, it duplicates functionality elsewhere.’ Andrew Morton went
on to explain, ‘I think the concern here is that this is
implemented at the wrong level. In Linux, a filesystem is some dumb
thing which implements address_space_operations,
filesystem_operations, etc…'”

Complete Story