Messages in this thread | | | Subject | Re: [fuse-devel] [PATCH 01/25] VFS: move attr_kill logic from notify_change into helper function | From | Miklos Szeredi <> | Date | Mon, 06 Aug 2007 21:37:00 +0200 |
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> > Your patch is changing the API in a very unsafe way, since there will > > be no error or warning on an unconverted fs. And that could lead to > > security holes. > > > > If we would rename the setattr method to setattr_new as well as > > changing it's behavior, that would be fine. But I guess we do not > > want to do that. > > Which "unconverted fses"? If we're talking out of tree stuff, then too > bad: it is _their_ responsibility to keep up with kernel changes.
It is usually a good idea to not change the semantics of an API in a backward incompatible way without changing the syntax as well.
This is true regardless of whether we care about out-of-tree code or not (and we should care to some degree). And especially true if the change in question is security sensitive.
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