Re: [RFC] mount flag "direct" (fwd)

From: Rik van Riel (riel@conectiva.com.br)
Date: Tue Sep 03 2002 - 10:44:42 EST


On Tue, 3 Sep 2002, Peter T. Breuer wrote:

> I assumed that I would need to make several VFS operations atomic
> or revertable, or simply forbid things like new file allocations or
> extensions (i.e. the above), depending on what is possible or not.

> No, I don't want ANY FS. Thanks, I know about these, but they're not
> it. I want support for /any/ FS at all at the VFS level.

You can't. Even if each operation is fully atomic on one node,
you still don't have synchronisation between the different nodes
sharing one disk.

You really need filesystem support.

Rik

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