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

From: WANG Chao
Date: Mon Oct 13 2014 - 01:58:21 EST

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:

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at
Please read the FAQ at