Am 28.07.2011 14:15, schrieb Christoph Hellwig: >> Christoph, on another note: Can we rely on Linux AIO never returning >> short writes except on EOF? Currently we return -EINVAL in this case, so
"short reads" I meant, of course. >> I hope it's true or we wouldn't return the correct error code. > > More or less. There's one corner case for all Linux I/O, and that is > only writes up to INT_MAX are supported, and larger writes (and reads) > get truncated to it. It's pretty nasty, but Linux has been vocally > opposed to fixing this issue. I think we can safely ignore this. So just replacing the current ret = -EINVAL; by a memset(buf + ret, 0, len - ret); ret = 0; should be okay, right? (Of course using the qiov versions, but you get the idea) Kevin
