Re: VFS: Busy inodes after unmount...

[Linus Torvalds]

On Mon, 15 May 2000, Alexander Viro wrote:
> 
> Sure, it has - if it ever comes to ->put_super() you are guaranteed that
> there's no active references to the tree left; whatever you have is yours
> and "walk the tree doing dput() on every dentry" is perfectly legitimate.
> FWIW, I can toss such a function into dcache.c - it's very likely to be
> useful for other such animals.

Hmm.. What about autofs4? I think it uses the same ramfs method. So yes,
it sounds like a common support routine to have.

                Linus