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>

diff --git a/fs/aio.c b/fs/aio.c
index 55e03a858e8b0b6b6dec8553e469c1c0fd5bff24..6fc6b9857a58b2a1222063c2864d858a6081c7f3 100644 (file)
--- a/fs/aio.c
+++ b/fs/aio.c
@@ -201,7 +201,7 @@ static struct dentry *aio_mount(struct file_system_type *fs_type,
        static const struct dentry_operations ops = {
                .d_dname        = simple_dname,
        };
-       return mount_pseudo(fs_type, "aio:", NULL, &ops, 0xa10a10a1);
+       return mount_pseudo(fs_type, "aio:", NULL, &ops, AIO_RING_MAGIC);
 }
 
 /* aio_setup