2692 pnfs_generic_pg_check_layout(struct nfs_pageio_descriptor *pgio)  in pnfs_generic_pg_check_layout()  argument
2694 	if (pgio->pg_lseg == NULL ||  in pnfs_generic_pg_check_layout()
2695 	    test_bit(NFS_LSEG_VALID, &pgio->pg_lseg->pls_flags))  in pnfs_generic_pg_check_layout()
2697 	pnfs_put_lseg(pgio->pg_lseg);  in pnfs_generic_pg_check_layout()
2698 	pgio->pg_lseg = NULL;  in pnfs_generic_pg_check_layout()
2707 pnfs_generic_pg_check_range(struct nfs_pageio_descriptor *pgio, struct nfs_page *req)  in pnfs_generic_pg_check_range()  argument
2709 	if (pgio->pg_lseg && !pnfs_lseg_request_intersecting(pgio->pg_lseg, req)) {  in pnfs_generic_pg_check_range()
2710 		pnfs_put_lseg(pgio->pg_lseg);  in pnfs_generic_pg_check_range()
2711 		pgio->pg_lseg = NULL;  in pnfs_generic_pg_check_range()
2717 pnfs_generic_pg_init_read(struct nfs_pageio_descriptor *pgio, struct nfs_page *req)  in pnfs_generic_pg_init_read()  argument
2721 	pnfs_generic_pg_check_layout(pgio);  in pnfs_generic_pg_init_read()
2722 	pnfs_generic_pg_check_range(pgio, req);  in pnfs_generic_pg_init_read()
2723 	if (pgio->pg_lseg == NULL) {  in pnfs_generic_pg_init_read()
2724 		if (pgio->pg_dreq == NULL)  in pnfs_generic_pg_init_read()
2725 			rd_size = i_size_read(pgio->pg_inode) - req_offset(req);  in pnfs_generic_pg_init_read()
2727 			rd_size = nfs_dreq_bytes_left(pgio->pg_dreq);  in pnfs_generic_pg_init_read()
2729 		pgio->pg_lseg = pnfs_update_layout(pgio->pg_inode,  in pnfs_generic_pg_init_read()
2736 		if (IS_ERR(pgio->pg_lseg)) {  in pnfs_generic_pg_init_read()
2737 			pgio->pg_error = PTR_ERR(pgio->pg_lseg);  in pnfs_generic_pg_init_read()
2738 			pgio->pg_lseg = NULL;  in pnfs_generic_pg_init_read()
2743 	if (pgio->pg_lseg == NULL)  in pnfs_generic_pg_init_read()
2744 		nfs_pageio_reset_read_mds(pgio);  in pnfs_generic_pg_init_read()
2750 pnfs_generic_pg_init_write(struct nfs_pageio_descriptor *pgio,  in pnfs_generic_pg_init_write()  argument
2753 	pnfs_generic_pg_check_layout(pgio);  in pnfs_generic_pg_init_write()
2754 	pnfs_generic_pg_check_range(pgio, req);  in pnfs_generic_pg_init_write()
2755 	if (pgio->pg_lseg == NULL) {  in pnfs_generic_pg_init_write()
2756 		pgio->pg_lseg = pnfs_update_layout(pgio->pg_inode,  in pnfs_generic_pg_init_write()
2763 		if (IS_ERR(pgio->pg_lseg)) {  in pnfs_generic_pg_init_write()
2764 			pgio->pg_error = PTR_ERR(pgio->pg_lseg);  in pnfs_generic_pg_init_write()
2765 			pgio->pg_lseg = NULL;  in pnfs_generic_pg_init_write()
2770 	if (pgio->pg_lseg == NULL)  in pnfs_generic_pg_init_write()
2771 		nfs_pageio_reset_write_mds(pgio);  in pnfs_generic_pg_init_write()
2790 pnfs_generic_pg_test(struct nfs_pageio_descriptor *pgio,  in pnfs_generic_pg_test()  argument
2796 	size = nfs_generic_pg_test(pgio, prev, req);  in pnfs_generic_pg_test()
2811 	if (pgio->pg_lseg) {  in pnfs_generic_pg_test()
2812 		seg_end = pnfs_end_offset(pgio->pg_lseg->pls_range.offset,  in pnfs_generic_pg_test()
2813 				     pgio->pg_lseg->pls_range.length);  in pnfs_generic_pg_test()
2833 	struct nfs_pageio_descriptor pgio;  in pnfs_write_done_resend_to_mds()  local
2836 	nfs_pageio_init_write(&pgio, hdr->inode, FLUSH_STABLE, true,  in pnfs_write_done_resend_to_mds()
2839 	return nfs_pageio_resend(&pgio, hdr);  in pnfs_write_done_resend_to_mds()
2963 	struct nfs_pageio_descriptor pgio;  in pnfs_read_done_resend_to_mds()  local
2966 	nfs_pageio_init_read(&pgio, hdr->inode, true, hdr->completion_ops);  in pnfs_read_done_resend_to_mds()
2967 	return nfs_pageio_resend(&pgio, hdr);  in pnfs_read_done_resend_to_mds()
3038 	struct nfs_pageio_descriptor pgio;  in pnfs_read_resend_pnfs()  local
3045 		nfs_pageio_init_read(&pgio, hdr->inode, false,  in pnfs_read_resend_pnfs()
3047 		pgio.pg_mirror_idx = mirror_idx;  in pnfs_read_resend_pnfs()
3048 		hdr->task.tk_status = nfs_pageio_resend(&pgio, hdr);  in pnfs_read_resend_pnfs()