Re: [PATCH resend] staging, lustre: fix a sparse error

[WANG Chao]

On 10/12/14 at 08:17pm, Al Viro wrote:
> On Fri, Oct 10, 2014 at 11:21:16AM +0800, WANG Chao wrote:
> 
> > I think __user annotation is for no dereferencing in kernel space. In
> > this case, I think it's fine to override this error by __force. Because
> > they're pointers with identical target types.
> 
> Umm...  The real question seems to be whether iovec is the right type in
> the first place.  Does ->tx_iov ever contain a vector with _userland_
> pointers?  If not, it ought to be struct kvec * instead.

I'm afraid I'm not familiar with lustre.

[CCing lustre maintainers]

Oleg and Andreas:

Could you answer the Al's question?

For your information, my original post was here:
https://lkml.org/lkml/2014/10/9/135

Thanks
WANG Chao
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