Commit b4be2c59 authored by Olga Kornievskaia's avatar Olga Kornievskaia Committed by Trond Myklebust
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NFSv4.1 restrict GETATTR fs_location query to the main transport 



In the presence of trunking transports, it's helpful to make sure
that during the migration event, the GETATTR for fs_location attribute
happens on the main transport.

Signed-off-by: default avatarOlga Kornievskaia <kolga@netapp.com>
Signed-off-by: default avatarTrond Myklebust <trond.myklebust@hammerspace.com>
parent cb8fac6d

fs/nfs/nfs4proc.c

+13 −2
Original line number Diff line number Diff line
@@ -8008,6 +8008,18 @@ static int _nfs41_proc_get_locations(struct nfs_server *server, 
		.rpc_resp	= &res,

		.rpc_cred	= cred,

	};

	struct nfs4_call_sync_data data = {

		.seq_server = server,

		.seq_args = &args.seq_args,

		.seq_res = &res.seq_res,

	};

	struct rpc_task_setup task_setup_data = {

		.rpc_client = clnt,

		.rpc_message = &msg,

		.callback_ops = server->nfs_client->cl_mvops->call_sync_ops,

		.callback_data = &data,

		.flags = RPC_TASK_NO_ROUND_ROBIN,

	};

	int status;



	nfs_fattr_init(&locations->fattr);
@@ -8015,8 +8027,7 @@ static int _nfs41_proc_get_locations(struct nfs_server *server, 
	locations->nlocations = 0;



	nfs4_init_sequence(&args.seq_args, &res.seq_res, 0, 1);

	status = nfs4_call_sync_sequence(clnt, server, &msg,

					&args.seq_args, &res.seq_res);

	status = nfs4_call_sync_custom(&task_setup_data);

	if (status == NFS4_OK &&

	    res.seq_res.sr_status_flags & SEQ4_STATUS_LEASE_MOVED)

		status = -NFS4ERR_LEASE_MOVED;