userland VFS (was Re: vinum?)

[Diego Calleja]

El Mon, 13 Sep 2004 18:12:34 -0700 (PDT) Matthew Dillon <dillon at xxxxxxxxxxxxxxxxxxxx> escribió:

>     to death.  I really want to move less important FS's, such as CD9660,
>     NTFS, etc. into userland, or at least make it possible for them to be
>     run in userland.

In the future, this userspace VFS will be a substitute for the in-kernel VFS,
or a complement used only for the not important filesystems such as
those named in your mail? Will it be possible to write filesystems in userspace
without a significant performance/functionality loss?