Re: [RFC] O_NOACC: open without any access

From: Alan Cox
Date: Tue Jun 23 2009 - 12:33:03 EST

On Tue, 23 Jun 2009 17:10:52 +0100
David Howells <dhowells@xxxxxxxxxx> wrote:

> Alan Cox <alan@xxxxxxxxxxxxxxxxxxx> wrote:
> > So how are you going to make that work in conjunction with the in
> > progress work on doing stuff like revoke(), and with module reference
> > counting ?
> Reference count on which module? This would not take a reference on the device
> driver as it would not refer to it, but would still have a file struct, an
> inode struct and a dentry struct on the underlying fs.

Which means the device could be unloaded, something else loaded and your
handle wouldn't be invalidated but would be stale ?

Perhaps it would make more sense to me if I knew why you needed to do
this ?
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