NFSv4/pnfs: Fix barriers in nfs4_mark_deviceid_unavailable()

Fix the memory barriers in nfs4_mark_deviceid_unavailable() and
nfs4_test_deviceid_unavailable().

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
This commit is contained in:
Trond Myklebust 2019-02-26 14:27:58 -05:00
commit 39a5201a2b