Journaling libraries / VFS interception

[justin at shiningsilence.com]

> Hi,
> I'm wondering if there are any plans to provide a userspace library to
> the journaling infrastructure: It'd pretty obvious that there's a host
> of potential uses for it that don't belong into the kernel and could
> greatly benefit from a standardised library (and possibly a socket
> that feeds them all the new data for thos that need to in (near) real
> time like instant replication).

/sbin/jscan isn't a library, but it provides an user-level application for
messing with it; this could be a start.