get_seconds() returns real wall-clock seconds. On 32-bit systems
this value will overflow in year 2038 and beyond. This patch changes
afs_vnode record to use ktime_get_real_seconds() instead, for the
fields cb_expires and cb_expires_at.
Signed-off-by: NTina Ruchandani <ruchandani.tina@gmail.com>
Signed-off-by: NDavid Howells <dhowells@redhat.com>