On 24/11/2014 11:02, Ming Lei wrote: >> > Right, but "-1" is "-EPERM" which doesn't make much sense. I think the >> > right thing to do is to return EAGAIN, and let the owner figure it out. >> > For example, a SCSI device might return a "BUSY" status code. > We can do that, but laio_submit() doesn't return the code to callers.
That can be fixed later. But not returning a sensible errno only makes things more complicated later on. Paolo
