Messages in this thread | | | Subject | Re: [PATCH v3] vfs: new O_NODE open flag | From | Miklos Szeredi <> | Date | Mon, 07 Dec 2009 13:47:51 +0100 |
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On Mon, 07 Dec 2009, Miklos Szeredi wrote: > ln /dev/foo /dev/shm/my_secret_device_link > (foo is removed) > open("/dev/shm/my_secret_device_link", O_RDWR) > > How is this different than keeping the device open with O_NODE?
In other words, revoking file handles is not enough, we really need to revoke the _inode_. And if we do that then O_NODE handles are perfectly harmless.
Miklos
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