On 11/16/2015 05:19 PM, Alireza Haghdoost wrote:
On Sun, Nov 15, 2015 at 7:08 AM, Avi Kivity <avi@xxxxxxxxxxxx> wrote:
Due to a bug in my program, I initiated a read beyond eof. Specifically, the
file size is 13002 bytes and the read offset is 13312 (0x3400).
I would expect such a read to return 0 bytes read, but io_getevents returns
-310, which is suspiciously equal to (13002 - 13312).
I attach a reproducer.
4.2.5-201.fc22.x86_64
Are my expectations incorrect, or is this a bug in aio or xfs?
I think it is not a bug. This post might be helpful:
http://marc.info/?l=linux-aio&m=142315449930935&w=2
The post indicates that it is a bug. A negative value indicates an
error, but there is no error 310.
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