2468 pnfs_generic_pg_check_layout(struct nfs_pageio_descriptor *pgio)  in pnfs_generic_pg_check_layout()  argument
2470 	if (pgio->pg_lseg == NULL ||  in pnfs_generic_pg_check_layout()
2471 	    test_bit(NFS_LSEG_VALID, &pgio->pg_lseg->pls_flags))  in pnfs_generic_pg_check_layout()
2473 	pnfs_put_lseg(pgio->pg_lseg);  in pnfs_generic_pg_check_layout()
2474 	pgio->pg_lseg = NULL;  in pnfs_generic_pg_check_layout()
2483 pnfs_generic_pg_check_range(struct nfs_pageio_descriptor *pgio, struct nfs_page *req)  in pnfs_generic_pg_check_range()  argument
2485 	if (pgio->pg_lseg && !pnfs_lseg_request_intersecting(pgio->pg_lseg, req)) {  in pnfs_generic_pg_check_range()
2486 		pnfs_put_lseg(pgio->pg_lseg);  in pnfs_generic_pg_check_range()
2487 		pgio->pg_lseg = NULL;  in pnfs_generic_pg_check_range()
2492 pnfs_generic_pg_init_read(struct nfs_pageio_descriptor *pgio, struct nfs_page *req)  in pnfs_generic_pg_init_read()  argument
2496 	pnfs_generic_pg_check_layout(pgio);  in pnfs_generic_pg_init_read()
2497 	pnfs_generic_pg_check_range(pgio, req);  in pnfs_generic_pg_init_read()
2498 	if (pgio->pg_lseg == NULL) {  in pnfs_generic_pg_init_read()
2499 		if (pgio->pg_dreq == NULL)  in pnfs_generic_pg_init_read()
2500 			rd_size = i_size_read(pgio->pg_inode) - req_offset(req);  in pnfs_generic_pg_init_read()
2502 			rd_size = nfs_dreq_bytes_left(pgio->pg_dreq);  in pnfs_generic_pg_init_read()
2504 		pgio->pg_lseg = pnfs_update_layout(pgio->pg_inode,  in pnfs_generic_pg_init_read()
2511 		if (IS_ERR(pgio->pg_lseg)) {  in pnfs_generic_pg_init_read()
2512 			pgio->pg_error = PTR_ERR(pgio->pg_lseg);  in pnfs_generic_pg_init_read()
2513 			pgio->pg_lseg = NULL;  in pnfs_generic_pg_init_read()
2518 	if (pgio->pg_lseg == NULL)  in pnfs_generic_pg_init_read()
2519 		nfs_pageio_reset_read_mds(pgio);  in pnfs_generic_pg_init_read()
2525 pnfs_generic_pg_init_write(struct nfs_pageio_descriptor *pgio,  in pnfs_generic_pg_init_write()  argument
2528 	pnfs_generic_pg_check_layout(pgio);  in pnfs_generic_pg_init_write()
2529 	pnfs_generic_pg_check_range(pgio, req);  in pnfs_generic_pg_init_write()
2530 	if (pgio->pg_lseg == NULL) {  in pnfs_generic_pg_init_write()
2531 		pgio->pg_lseg = pnfs_update_layout(pgio->pg_inode,  in pnfs_generic_pg_init_write()
2538 		if (IS_ERR(pgio->pg_lseg)) {  in pnfs_generic_pg_init_write()
2539 			pgio->pg_error = PTR_ERR(pgio->pg_lseg);  in pnfs_generic_pg_init_write()
2540 			pgio->pg_lseg = NULL;  in pnfs_generic_pg_init_write()
2545 	if (pgio->pg_lseg == NULL)  in pnfs_generic_pg_init_write()
2546 		nfs_pageio_reset_write_mds(pgio);  in pnfs_generic_pg_init_write()
2565 pnfs_generic_pg_test(struct nfs_pageio_descriptor *pgio,  in pnfs_generic_pg_test()  argument
2571 	size = nfs_generic_pg_test(pgio, prev, req);  in pnfs_generic_pg_test()
2586 	if (pgio->pg_lseg) {  in pnfs_generic_pg_test()
2587 		seg_end = pnfs_end_offset(pgio->pg_lseg->pls_range.offset,  in pnfs_generic_pg_test()
2588 				     pgio->pg_lseg->pls_range.length);  in pnfs_generic_pg_test()
2608 	struct nfs_pageio_descriptor pgio;  in pnfs_write_done_resend_to_mds()  local
2611 	nfs_pageio_init_write(&pgio, hdr->inode, FLUSH_STABLE, true,  in pnfs_write_done_resend_to_mds()
2614 	return nfs_pageio_resend(&pgio, hdr);  in pnfs_write_done_resend_to_mds()
2737 	struct nfs_pageio_descriptor pgio;  in pnfs_read_done_resend_to_mds()  local
2740 	nfs_pageio_init_read(&pgio, hdr->inode, true, hdr->completion_ops);  in pnfs_read_done_resend_to_mds()
2741 	return nfs_pageio_resend(&pgio, hdr);  in pnfs_read_done_resend_to_mds()
2811 	struct nfs_pageio_descriptor pgio;  in pnfs_read_resend_pnfs()  local
2818 		nfs_pageio_init_read(&pgio, hdr->inode, false,  in pnfs_read_resend_pnfs()
2820 		hdr->task.tk_status = nfs_pageio_resend(&pgio, hdr);  in pnfs_read_resend_pnfs()