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NFS: Added TEST_STATEID call

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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>
This commit is contained in:
Bryan Schumaker
2011-06-02 14:59:08 -04:00
committed by Trond Myklebust
parent fca78d6d2c
commit 7d9747947a
4 changed files with 130 additions and 0 deletions
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28
fs/nfs/nfs4proc.c
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@@ -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 = {