Re: [Qemu-devel] [PATCH 1/2] linux aio: support flush operation

[Christoph Hellwig]

On Thu, Jul 28, 2011 at 02:41:02PM +0200, Kevin Wolf wrote:
> > 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)

This should be safe.