2684 pnfs_generic_pg_check_layout(struct nfs_pageio_descriptor *pgio)  in pnfs_generic_pg_check_layout()  argument
2686 	if (pgio->pg_lseg == NULL ||  in pnfs_generic_pg_check_layout()
2687 	    test_bit(NFS_LSEG_VALID, &pgio->pg_lseg->pls_flags))  in pnfs_generic_pg_check_layout()
2689 	pnfs_put_lseg(pgio->pg_lseg);  in pnfs_generic_pg_check_layout()
2690 	pgio->pg_lseg = NULL;  in pnfs_generic_pg_check_layout()
2699 pnfs_generic_pg_check_range(struct nfs_pageio_descriptor *pgio, struct nfs_page *req)  in pnfs_generic_pg_check_range()  argument
2701 	if (pgio->pg_lseg && !pnfs_lseg_request_intersecting(pgio->pg_lseg, req)) {  in pnfs_generic_pg_check_range()
2702 		pnfs_put_lseg(pgio->pg_lseg);  in pnfs_generic_pg_check_range()
2703 		pgio->pg_lseg = NULL;  in pnfs_generic_pg_check_range()
2709 pnfs_generic_pg_init_read(struct nfs_pageio_descriptor *pgio, struct nfs_page *req)  in pnfs_generic_pg_init_read()  argument
2713 	pnfs_generic_pg_check_layout(pgio);  in pnfs_generic_pg_init_read()
2714 	pnfs_generic_pg_check_range(pgio, req);  in pnfs_generic_pg_init_read()
2715 	if (pgio->pg_lseg == NULL) {  in pnfs_generic_pg_init_read()
2716 		if (pgio->pg_dreq == NULL)  in pnfs_generic_pg_init_read()
2717 			rd_size = i_size_read(pgio->pg_inode) - req_offset(req);  in pnfs_generic_pg_init_read()
2719 			rd_size = nfs_dreq_bytes_left(pgio->pg_dreq);  in pnfs_generic_pg_init_read()
2721 		pgio->pg_lseg =  in pnfs_generic_pg_init_read()
2722 			pnfs_update_layout(pgio->pg_inode, nfs_req_openctx(req),  in pnfs_generic_pg_init_read()
2726 		if (IS_ERR(pgio->pg_lseg)) {  in pnfs_generic_pg_init_read()
2727 			pgio->pg_error = PTR_ERR(pgio->pg_lseg);  in pnfs_generic_pg_init_read()
2728 			pgio->pg_lseg = NULL;  in pnfs_generic_pg_init_read()
2733 	if (pgio->pg_lseg == NULL)  in pnfs_generic_pg_init_read()
2734 		nfs_pageio_reset_read_mds(pgio);  in pnfs_generic_pg_init_read()
2740 pnfs_generic_pg_init_write(struct nfs_pageio_descriptor *pgio,  in pnfs_generic_pg_init_write()  argument
2743 	pnfs_generic_pg_check_layout(pgio);  in pnfs_generic_pg_init_write()
2744 	pnfs_generic_pg_check_range(pgio, req);  in pnfs_generic_pg_init_write()
2745 	if (pgio->pg_lseg == NULL) {  in pnfs_generic_pg_init_write()
2746 		pgio->pg_lseg =  in pnfs_generic_pg_init_write()
2747 			pnfs_update_layout(pgio->pg_inode, nfs_req_openctx(req),  in pnfs_generic_pg_init_write()
2750 		if (IS_ERR(pgio->pg_lseg)) {  in pnfs_generic_pg_init_write()
2751 			pgio->pg_error = PTR_ERR(pgio->pg_lseg);  in pnfs_generic_pg_init_write()
2752 			pgio->pg_lseg = NULL;  in pnfs_generic_pg_init_write()
2757 	if (pgio->pg_lseg == NULL)  in pnfs_generic_pg_init_write()
2758 		nfs_pageio_reset_write_mds(pgio);  in pnfs_generic_pg_init_write()
2777 pnfs_generic_pg_test(struct nfs_pageio_descriptor *pgio,  in pnfs_generic_pg_test()  argument
2783 	size = nfs_generic_pg_test(pgio, prev, req);  in pnfs_generic_pg_test()
2798 	if (pgio->pg_lseg) {  in pnfs_generic_pg_test()
2799 		seg_end = pnfs_end_offset(pgio->pg_lseg->pls_range.offset,  in pnfs_generic_pg_test()
2800 				     pgio->pg_lseg->pls_range.length);  in pnfs_generic_pg_test()
2820 	struct nfs_pageio_descriptor pgio;  in pnfs_write_done_resend_to_mds()  local
2823 	nfs_pageio_init_write(&pgio, hdr->inode, FLUSH_STABLE, true,  in pnfs_write_done_resend_to_mds()
2825 	return nfs_pageio_resend(&pgio, hdr);  in pnfs_write_done_resend_to_mds()
2949 	struct nfs_pageio_descriptor pgio;  in pnfs_read_done_resend_to_mds()  local
2952 	nfs_pageio_init_read(&pgio, hdr->inode, true, hdr->completion_ops);  in pnfs_read_done_resend_to_mds()
2953 	return nfs_pageio_resend(&pgio, hdr);  in pnfs_read_done_resend_to_mds()
3024 	struct nfs_pageio_descriptor pgio;  in pnfs_read_resend_pnfs()  local
3031 		nfs_pageio_init_read(&pgio, hdr->inode, false,  in pnfs_read_resend_pnfs()
3033 		pgio.pg_mirror_idx = mirror_idx;  in pnfs_read_resend_pnfs()
3034 		hdr->task.tk_status = nfs_pageio_resend(&pgio, hdr);  in pnfs_read_resend_pnfs()