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:
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