Re: more devfs fun

[Richard Gooch]

Alexander Viro writes:
> 	BTW, what the hell is that?
> /*
>  * hwgraph_bdevsw_get - returns the fops of the given devfs entry.
> */
> struct file_operations * 
> hwgraph_bdevsw_get(devfs_handle_t de)
> {
>         return(devfs_get_ops(de));
> }
> 
> 	It's arch/ia64/sn/io/hcl.c.  The funny thing being, the thing
> you will get from devfs_get_ops() will _not_ be struct
> file_operations *.  And that's aside of the fact that any use of
> that function is very likely to be racy as hell.  Sigh...

Sigh indeed. I didn't write that code. Looks like someone is (ab)using
the devfs API. Contact the maintainer of that code for insight.

				Regards,

					Richard....
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