35 	nfs4_pnfs_ds_put(mirror_ds->ds);  in nfs4_ff_layout_free_deviceid()
80 	dprintk("%s: multipath ds count %d\n", __func__, mp_count);  in nfs4_ff_alloc_deviceid_node()
83 		/* multipath ds */  in nfs4_ff_alloc_deviceid_node()
89 		dprintk("%s: no suitable DS addresses found\n",  in nfs4_ff_alloc_deviceid_node()
134 			dprintk("%s: [%d] unsupported ds version %d-%d\n", __func__,  in nfs4_ff_alloc_deviceid_node()
152 	new_ds->ds = nfs4_pnfs_ds_add(net, &dsaddrs, gfp_flags);  in nfs4_ff_alloc_deviceid_node()
153 	if (!new_ds->ds)  in nfs4_ff_alloc_deviceid_node()
156 	/* If DS was already in cache, free ds addrs */  in nfs4_ff_alloc_deviceid_node()
309 	/* FIXME: For now assume there is only 1 version available for the DS */  in nfs4_ff_layout_select_ds_fh()
354  * nfs4_ff_layout_prepare_ds - prepare a DS connection for an RPC call
356  * @mirror: layout mirror describing the DS to use
357  * @dss_id: DS stripe id to select stripe to use
360  * Try to prepare a DS connection to accept an RPC call. This involves
369  * Returns a pointer to a connected DS object on success or NULL on failure.
377 	struct nfs4_pnfs_ds *ds;  in nfs4_ff_layout_prepare_ds()  local
386 	ds = mirror->dss[dss_id].mirror_ds->ds;  in nfs4_ff_layout_prepare_ds()
387 	if (READ_ONCE(ds->ds_clp))  in nfs4_ff_layout_prepare_ds()
393 	 * to use for the DS.  in nfs4_ff_layout_prepare_ds()
395 	status = nfs4_pnfs_ds_connect(s, ds, &mirror->dss[dss_id].mirror_ds->id_node,  in nfs4_ff_layout_prepare_ds()
404 		 * keep ds_clp even if DS is local, so that if local IO cannot  in nfs4_ff_layout_prepare_ds()
407 		nfs_local_probe_async(ds->ds_clp);  in nfs4_ff_layout_prepare_ds()
409 			nfs_block_size(rpc_max_payload(ds->ds_clp->cl_rpcclient),  in nfs4_ff_layout_prepare_ds()
425 	ds = ERR_PTR(status);  in nfs4_ff_layout_prepare_ds()
427 	return ds;  in nfs4_ff_layout_prepare_ds()
449  * nfs4_ff_find_or_create_ds_client - Find or create a DS rpc client
451  * @ds_clp: nfs_client for the DS
453  * @dss_id: DS stripe id
455  * Find or create a DS rpc client with th MDS server rpc client auth flavor
465 		/* For NFSv3 DS, flavor is set when creating DS connections */  in nfs4_ff_find_or_create_ds_client()