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SubjectRe: [PATCH] aio: fix kernel bug when page is temporally busy
On Fri, 9 Feb 2007, Andrew Morton wrote:

> > @@ -1204,7 +1204,7 @@ generic_file_aio_read(struct kiocb *iocb, const struct iovec *iov,
> > do_generic_file_read(filp,ppos,&desc,file_read_actor);
> > retval += desc.written;
> > if (desc.error) {
> > - retval = retval ?: desc.error;
> > + retval = desc.error;
> > break;
> > }
> Nope. On error the read() syscall must return the number of bytes which
> were successfully read.

You are right.

In current mainline this even is not a problem, because noone seems to be
setting the error values to EIOCBRETRY. But it still stinks a bit, as
there are tests for EIOCBRETRY.

--
Jiri Kosina
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