On Fri, Jun 29, 2001 at 01:34:19PM +0100, Doug Rabson wrote:
>
> When you get a new struct file from falloc(), VFS has nothing to do with
> it. As you can see from the streamsopen() code, you can change f_ops
> (which by default points at &badfileops) and f_data (defaults to zero) to
> point at your own functions and data.
>
> The point is that you are creating a new file. The VFS-owned file which
> ended up calling the open driver entrypoint will be discarded in favour of
> your new one.
But, what about all the locking stuff in vn_xxxx()? How can I know if
I actually need them?
Nicholas
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