Re: [Qemu-devel] [PATCH v2] aio-posix: Fix return value of aio_poll()

[Kevin Wolf <kwolf@redhat.com>]

Am 16.01.2013 19:25, schrieb Kevin Wolf:
> aio_poll() must return true if any work is still pending, even if it
> didn't make progress, so that bdrv_drain_all() doesn't stop waiting too
> early. The possibility of stopping early occasionally lead to a failed
> assertion in bdrv_drain_all(), when some in-flight request was missed
> and the function didn't really drain all requests.
> 
> In order to make that change, the return value as specified in the
> function comment must change for blocking = false; fortunately, the
> return value of blocking = false callers is only used in test cases, so
> this change shouldn't cause any trouble.
> 
> Cc: qemu-stable@nongnu.org
> Signed-off-by: Kevin Wolf <kwolf@redhat.com>

Argh, sent the wrong file. Stefan, can you please replace "aio-posix" by
"aio" in the subject line before applying?

Kevin