aio: use the macro rather than the inline magic number

Replace the inline magic number with the ready-made macro(AIO_RING_MAGIC),
just clean up.

Reviewed-by: Jeff Moyer <jmoyer@redhat.com>
Signed-off-by: Gu Zheng <guz.fnst@cn.fujitsu.com>
Signed-off-by: Benjamin LaHaise <bcrl@kvack.org>
This commit is contained in:
Gu Zheng 2014-07-23 18:03:52 +08:00 • committed by Benjamin LaHaise
commit 8dc4379e17