diff options
| author | Trond Myklebust <trond.myklebust@primarydata.com> | 2016-09-22 13:39:01 -0400 |
|---|---|---|
| committer | Anna Schumaker <Anna.Schumaker@Netapp.com> | 2016-09-27 14:33:55 -0400 |
| commit | 63d63cbf5e03f47c99baa0a1ba1c345fe426e3bd (patch) | |
| tree | 73e6cda700a7d801ea7aa1300b0e2fe90979c66d | |
| parent | bb3d1a3b24b61d8dd87e2d8c127a92ec8dd5d0d4 (diff) | |
NFSv4.1: Don't recheck delegations that have already been checked
Ensure we don't spam the server with test_stateid() calls for
delegations that have already been checked.
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Tested-by: Oleg Drokin <green@linuxhacker.ru>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
| -rw-r--r-- | fs/nfs/nfs4proc.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 083786aad83c..dfa46e49e356 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -2459,6 +2459,11 @@ static void nfs41_check_delegation_stateid(struct nfs4_state *state) return; } + if (!test_and_clear_bit(NFS_DELEGATION_TEST_EXPIRED, &delegation->flags)) { + rcu_read_unlock(); + return; + } + cred = get_rpccred(delegation->cred); rcu_read_unlock(); status = nfs41_test_and_free_expired_stateid(server, &stateid, cred); |