I'd read the Mckusick book to find out how to stick filesystems into the
4.4 based systems.  It should also explain the mechanism by which stacking
is done, allowing your filesystem to take advantages of the other
filesystems already present.
-Brian

On Jun 4,  9:28am, Mats O Jansson wrote:
} Subject: Info about writing a new filesystem.
} 
} I've started to look at adding a new filesystem type to NetBSD. I have all
} the information I need (for now) about the filesystem I want to implement.
} 
} Is there some information about how to write a new filesystem or just some
} documentation about how it's supposed to work. Just looking at the source
} of other filesystems gets confusing. Is it information in the 4.4BSD book by
} McKusick and others?
} 
} Any ideas about where to start?
} 
} -moj
} 
} ------------------------------------------------------------------------------
} Mats O Jansson, CelsiusTech Systems, Jaerfaella, Sweden
} email: maja@celsiustech.se (or moj@stacken.kth.se)
} 
>-- End of excerpt from Mats O Jansson