Messages in this thread | | | Date | Mon, 13 Oct 2014 13:58:10 +0800 | From | WANG Chao <> | Subject | Re: [PATCH resend] staging, lustre: fix a sparse error |
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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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