Re: [PATCH] isofs: mounting to regular file may succeed

[Christoph Hellwig]

On Tue, Jul 17, 2007 at 12:04:07AM -0700, Andrew Morton wrote:
> I don't think any (all?) other filesystems perform checks like this.
> Is this something which can/should be performed at the VFS level?

As far as the VFS is concerned non-directory mounts are perfectly fine.
There's a lot of use cases for non-directory bind-mounts and at least
some for regular filesystems with a non-directory root.  E.g. the streams
folks are using something like that.    Solaris even ships with non-directory
root filesystems mounted by default these days.

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