51 	nfs4_print_deviceid(&dsaddr->id_node.deviceid);  in nfs4_fl_free_deviceid()
53 	for (i = 0; i < dsaddr->ds_num; i++) {  in nfs4_fl_free_deviceid()
54 		ds = dsaddr->ds_list[i];  in nfs4_fl_free_deviceid()
58 	kfree(dsaddr->stripe_indices);  in nfs4_fl_free_deviceid()
68 	u32 cnt, num;  in nfs4_fl_alloc_deviceid_node()  local
79 	struct net *net = server->nfs_client->cl_net;  in nfs4_fl_alloc_deviceid_node()
86 	xdr_init_decode_pages(&stream, &buf, pdev->pages, pdev->pglen);  in nfs4_fl_alloc_deviceid_node()
125 	num = be32_to_cpup(p);  in nfs4_fl_alloc_deviceid_node()
126 	dprintk("%s ds_num %u\n", __func__, num);  in nfs4_fl_alloc_deviceid_node()
127 	if (num > NFS4_PNFS_MAX_MULTI_CNT) {  in nfs4_fl_alloc_deviceid_node()
130 			num, NFS4_PNFS_MAX_MULTI_CNT);  in nfs4_fl_alloc_deviceid_node()
134 	/* validate stripe indices are all < num */  in nfs4_fl_alloc_deviceid_node()
135 	if (max_stripe_index >= num) {  in nfs4_fl_alloc_deviceid_node()
136 		printk(KERN_WARNING "NFS: %s: stripe index %u >= num ds %u\n",  in nfs4_fl_alloc_deviceid_node()
137 			__func__, max_stripe_index, num);  in nfs4_fl_alloc_deviceid_node()
141 	dsaddr = kzalloc(struct_size(dsaddr, ds_list, num), gfp_flags);  in nfs4_fl_alloc_deviceid_node()
145 	dsaddr->stripe_count = cnt;  in nfs4_fl_alloc_deviceid_node()
146 	dsaddr->stripe_indices = stripe_indices;  in nfs4_fl_alloc_deviceid_node()
148 	dsaddr->ds_num = num;  in nfs4_fl_alloc_deviceid_node()
149 	nfs4_init_deviceid_node(&dsaddr->id_node, server, &pdev->dev_id);  in nfs4_fl_alloc_deviceid_node()
153 	for (i = 0; i < dsaddr->ds_num; i++) {  in nfs4_fl_alloc_deviceid_node()
165 				list_add_tail(&da->da_node, &dsaddrs);  in nfs4_fl_alloc_deviceid_node()
168 			dprintk("%s: no suitable DS addresses found\n",  in nfs4_fl_alloc_deviceid_node()
173 		dsaddr->ds_list[i] = nfs4_pnfs_ds_add(net, &dsaddrs, gfp_flags);  in nfs4_fl_alloc_deviceid_node()
174 		if (!dsaddr->ds_list[i])  in nfs4_fl_alloc_deviceid_node()
176 		trace_fl_getdevinfo(server, &pdev->dev_id, dsaddr->ds_list[i]->ds_remotestr);  in nfs4_fl_alloc_deviceid_node()
183 			list_del_init(&da->da_node);  in nfs4_fl_alloc_deviceid_node()
184 			kfree(da->da_remotestr);  in nfs4_fl_alloc_deviceid_node()
196 		list_del_init(&da->da_node);  in nfs4_fl_alloc_deviceid_node()
197 		kfree(da->da_remotestr);  in nfs4_fl_alloc_deviceid_node()
216 	nfs4_put_deviceid_node(&dsaddr->id_node);  in nfs4_fl_put_deviceid()
220  * Want res = (offset - layout->pattern_offset)/ layout->stripe_unit
221  * Then: ((res + fsi) % dsaddr->stripe_count)
229 	tmp = offset - flseg->pattern_offset;  in nfs4_fl_calc_j_index()
230 	do_div(tmp, flseg->stripe_unit);  in nfs4_fl_calc_j_index()
231 	tmp += flseg->first_stripe_index;  in nfs4_fl_calc_j_index()
232 	return do_div(tmp, flseg->dsaddr->stripe_count);  in nfs4_fl_calc_j_index()
238 	return FILELAYOUT_LSEG(lseg)->dsaddr->stripe_indices[j];  in nfs4_fl_calc_ds_index()
247 	if (flseg->stripe_type == STRIPE_SPARSE) {  in nfs4_fl_select_ds_fh()
248 		if (flseg->num_fh == 1)  in nfs4_fl_select_ds_fh()
250 		else if (flseg->num_fh == 0)  in nfs4_fl_select_ds_fh()
257 	return flseg->fh_array[i];  in nfs4_fl_select_ds_fh()
264 	struct nfs4_file_layout_dsaddr *dsaddr = FILELAYOUT_LSEG(lseg)->dsaddr;  in nfs4_fl_prepare_ds()
265 	struct nfs4_pnfs_ds *ds = dsaddr->ds_list[ds_idx];  in nfs4_fl_prepare_ds()
268 	struct nfs_server *s = NFS_SERVER(lseg->pls_layout->plh_inode);  in nfs4_fl_prepare_ds()
278 	if (ds->ds_clp)  in nfs4_fl_prepare_ds()
283 			     s->nfs_client->cl_minorversion);  in nfs4_fl_prepare_ds()
291 	if (ret->ds_clp == NULL ||  in nfs4_fl_prepare_ds()