2379 pnfs_generic_pg_check_layout(struct nfs_pageio_descriptor *pgio)  in pnfs_generic_pg_check_layout()  argument
2381 	if (pgio->pg_lseg == NULL ||  in pnfs_generic_pg_check_layout()
2382 	    test_bit(NFS_LSEG_VALID, &pgio->pg_lseg->pls_flags))  in pnfs_generic_pg_check_layout()
2384 	pnfs_put_lseg(pgio->pg_lseg);  in pnfs_generic_pg_check_layout()
2385 	pgio->pg_lseg = NULL;  in pnfs_generic_pg_check_layout()
2394 pnfs_generic_pg_check_range(struct nfs_pageio_descriptor *pgio, struct nfs_page *req)  in pnfs_generic_pg_check_range()  argument
2396 	if (pgio->pg_lseg && !pnfs_lseg_request_intersecting(pgio->pg_lseg, req)) {  in pnfs_generic_pg_check_range()
2397 		pnfs_put_lseg(pgio->pg_lseg);  in pnfs_generic_pg_check_range()
2398 		pgio->pg_lseg = NULL;  in pnfs_generic_pg_check_range()
2403 pnfs_generic_pg_init_read(struct nfs_pageio_descriptor *pgio, struct nfs_page *req)  in pnfs_generic_pg_init_read()  argument
2407 	pnfs_generic_pg_check_layout(pgio);  in pnfs_generic_pg_init_read()
2408 	pnfs_generic_pg_check_range(pgio, req);  in pnfs_generic_pg_init_read()
2409 	if (pgio->pg_lseg == NULL) {  in pnfs_generic_pg_init_read()
2410 		if (pgio->pg_dreq == NULL)  in pnfs_generic_pg_init_read()
2411 			rd_size = i_size_read(pgio->pg_inode) - req_offset(req);  in pnfs_generic_pg_init_read()
2413 			rd_size = nfs_dreq_bytes_left(pgio->pg_dreq);  in pnfs_generic_pg_init_read()
2415 		pgio->pg_lseg = pnfs_update_layout(pgio->pg_inode,  in pnfs_generic_pg_init_read()
2422 		if (IS_ERR(pgio->pg_lseg)) {  in pnfs_generic_pg_init_read()
2423 			pgio->pg_error = PTR_ERR(pgio->pg_lseg);  in pnfs_generic_pg_init_read()
2424 			pgio->pg_lseg = NULL;  in pnfs_generic_pg_init_read()
2429 	if (pgio->pg_lseg == NULL)  in pnfs_generic_pg_init_read()
2430 		nfs_pageio_reset_read_mds(pgio);  in pnfs_generic_pg_init_read()
2436 pnfs_generic_pg_init_write(struct nfs_pageio_descriptor *pgio,  in pnfs_generic_pg_init_write()  argument
2439 	pnfs_generic_pg_check_layout(pgio);  in pnfs_generic_pg_init_write()
2440 	pnfs_generic_pg_check_range(pgio, req);  in pnfs_generic_pg_init_write()
2441 	if (pgio->pg_lseg == NULL) {  in pnfs_generic_pg_init_write()
2442 		pgio->pg_lseg = pnfs_update_layout(pgio->pg_inode,  in pnfs_generic_pg_init_write()
2449 		if (IS_ERR(pgio->pg_lseg)) {  in pnfs_generic_pg_init_write()
2450 			pgio->pg_error = PTR_ERR(pgio->pg_lseg);  in pnfs_generic_pg_init_write()
2451 			pgio->pg_lseg = NULL;  in pnfs_generic_pg_init_write()
2456 	if (pgio->pg_lseg == NULL)  in pnfs_generic_pg_init_write()
2457 		nfs_pageio_reset_write_mds(pgio);  in pnfs_generic_pg_init_write()
2476 pnfs_generic_pg_test(struct nfs_pageio_descriptor *pgio,  in pnfs_generic_pg_test()  argument
2482 	size = nfs_generic_pg_test(pgio, prev, req);  in pnfs_generic_pg_test()
2497 	if (pgio->pg_lseg) {  in pnfs_generic_pg_test()
2498 		seg_end = pnfs_end_offset(pgio->pg_lseg->pls_range.offset,  in pnfs_generic_pg_test()
2499 				     pgio->pg_lseg->pls_range.length);  in pnfs_generic_pg_test()
2519 	struct nfs_pageio_descriptor pgio;  in pnfs_write_done_resend_to_mds()  local
2522 	nfs_pageio_init_write(&pgio, hdr->inode, FLUSH_STABLE, true,  in pnfs_write_done_resend_to_mds()
2525 	return nfs_pageio_resend(&pgio, hdr);  in pnfs_write_done_resend_to_mds()
2648 	struct nfs_pageio_descriptor pgio;  in pnfs_read_done_resend_to_mds()  local
2651 	nfs_pageio_init_read(&pgio, hdr->inode, true, hdr->completion_ops);  in pnfs_read_done_resend_to_mds()
2652 	return nfs_pageio_resend(&pgio, hdr);  in pnfs_read_done_resend_to_mds()
2722 	struct nfs_pageio_descriptor pgio;  in pnfs_read_resend_pnfs()  local
2729 		nfs_pageio_init_read(&pgio, hdr->inode, false,  in pnfs_read_resend_pnfs()
2731 		hdr->task.tk_status = nfs_pageio_resend(&pgio, hdr);  in pnfs_read_resend_pnfs()