On Mar 28, 2011 10:02 AM, "Alex Hornung" <[email protected]> wrote: > > On 28/03/11 16:48, Naohiro Aota wrote: > > about implementing a new unionfs: > > > >> The current unionfs is completely broken as it relies on the whiteout > >> VFS technique which is not supported by HAMMER. > > > > - Then main work would be to implement whiteout feature on HAMMER? > > - or rewrite unionfs code not to depend on whiteout technique? > > I've now changed the text on the projects page to reflect that we don't > want a new unionfs using whiteout. So the aim of this project is to > develop a unionfs from scratch avoiding techniques which require messing > with other filesystems. > > > and also: > > > > - Are there some docs (or some source code file) to help me understand > > DragonFly VFS and HAMMER internal? > > - Are there some detailed guides about these ideas? > > About the VFS you can refer to the book "Design & Implementation of > FreeBSD". Things have changed, but it gives a good general perspective > of how things work. The namecache, most interesting part for unionfs, > has no real documentation, only inline with the code. > > Regards, > Alex Hornung
A great bullet point for any project would be "fully document related and undocumented feature x with a new manpage." Sam
