Subject: Re: swapfs filesystem design (and mount/umount question)
To: Assar Westerlund <>
From: Jaromir Dolecek <>
List: tech-kern
Date: 03/20/2000 08:57:27
Assar Westerlund wrote:
> You might need to implement lookup().  In the dummy file-system I just
> inspected, the following vnode operations are filled in.  I do think
> that vop_lock is not actually needed on NetBSD.

It is, though you may just use genfs_lock(). genfs_lock() does the generic
locking on the vnode layer - the filesystem is free to implement
it's own locking if needed.

Jaromir Dolecek <>
@@@@  Wanna a real operating system ? Go and get NetBSD, damn!  @@@@