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authorBryan Schumaker <bjschuma@netapp.com>2011-06-02 14:59:08 -0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2011-07-12 13:40:27 -0400
commit7d9747947ae66d8f6a9a9a023a3a5e28df6a536e (patch)
treef0fc49559d1653e7e1e8597cf07f9f04cff9d237 /fs/nfs/nfs4proc.c
parentfca78d6d2c77f87d7dbee89bbe4836a44da881e2 (diff)
downloadop-kernel-dev-7d9747947ae66d8f6a9a9a023a3a5e28df6a536e.zip
op-kernel-dev-7d9747947ae66d8f6a9a9a023a3a5e28df6a536e.tar.gz
NFS: Added TEST_STATEID call
This patch adds in the xdr for doing a TEST_STATEID call with a single stateid. RFC 5661 allows multiple stateids to be tested in a single call, but only testing one keeps things simpler for now. Signed-off-by: Bryan Schumaker <bjschuma@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs/nfs4proc.c')
-rw-r--r--fs/nfs/nfs4proc.c28
1 files changed, 28 insertions, 0 deletions
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 892bff5..5612ba9 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -6015,6 +6015,34 @@ out_freepage:
out:
return err;
}
+static int _nfs41_test_stateid(struct nfs_server *server, struct nfs4_state *state)
+{
+ int status;
+ struct nfs41_test_stateid_args args = {
+ .stateid = &state->stateid,
+ };
+ struct nfs41_test_stateid_res res;
+ struct rpc_message msg = {
+ .rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_TEST_STATEID],
+ .rpc_argp = &args,
+ .rpc_resp = &res,
+ };
+ args.seq_args.sa_session = res.seq_res.sr_session = NULL;
+ status = nfs4_call_sync_sequence(server->client, server, &msg, &args.seq_args, &res.seq_res, 0, 1);
+ return status;
+}
+
+static int nfs41_test_stateid(struct nfs_server *server, struct nfs4_state *state)
+{
+ struct nfs4_exception exception = { };
+ int err;
+ do {
+ err = nfs4_handle_exception(server,
+ _nfs41_test_stateid(server, state),
+ &exception);
+ } while (exception.retry);
+ return err;
+}
#endif /* CONFIG_NFS_V4_1 */
struct nfs4_state_recovery_ops nfs40_reboot_recovery_ops = {
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