465 ff_layout_choose_best_ds_for_read(struct nfs_pageio_descriptor *pgio,  in ff_layout_choose_best_ds_for_read()  argument
472 	fls = FF_LAYOUT_LSEG(pgio->pg_lseg);  in ff_layout_choose_best_ds_for_read()
475 		ds = nfs4_ff_layout_prepare_ds(pgio->pg_lseg, idx, false);  in ff_layout_choose_best_ds_for_read()
486 ff_layout_pg_init_read(struct nfs_pageio_descriptor *pgio,  in ff_layout_pg_init_read()  argument
495 	if (!pgio->pg_lseg)  in ff_layout_pg_init_read()
496 		pgio->pg_lseg = pnfs_update_layout(pgio->pg_inode,  in ff_layout_pg_init_read()
503 	if (pgio->pg_lseg == NULL)  in ff_layout_pg_init_read()
506 	ds = ff_layout_choose_best_ds_for_read(pgio, &ds_idx);  in ff_layout_pg_init_read()
509 	mirror = FF_LAYOUT_COMP(pgio->pg_lseg, ds_idx);  in ff_layout_pg_init_read()
511 	pgio->pg_mirror_idx = ds_idx;  in ff_layout_pg_init_read()
514 	pgm = &pgio->pg_mirrors[0];  in ff_layout_pg_init_read()
519 	pnfs_put_lseg(pgio->pg_lseg);  in ff_layout_pg_init_read()
520 	pgio->pg_lseg = NULL;  in ff_layout_pg_init_read()
521 	nfs_pageio_reset_read_mds(pgio);  in ff_layout_pg_init_read()
525 ff_layout_pg_init_write(struct nfs_pageio_descriptor *pgio,  in ff_layout_pg_init_write()  argument
535 	if (!pgio->pg_lseg)  in ff_layout_pg_init_write()
536 		pgio->pg_lseg = pnfs_update_layout(pgio->pg_inode,  in ff_layout_pg_init_write()
543 	if (pgio->pg_lseg == NULL)  in ff_layout_pg_init_write()
546 	nfs_init_cinfo(&cinfo, pgio->pg_inode, pgio->pg_dreq);  in ff_layout_pg_init_write()
547 	status = ff_layout_alloc_commit_info(pgio->pg_lseg, &cinfo, GFP_NOFS);  in ff_layout_pg_init_write()
552 	if (WARN_ON_ONCE(pgio->pg_mirror_count !=  in ff_layout_pg_init_write()
553 	    FF_LAYOUT_MIRROR_COUNT(pgio->pg_lseg)))  in ff_layout_pg_init_write()
556 	for (i = 0; i < pgio->pg_mirror_count; i++) {  in ff_layout_pg_init_write()
557 		ds = nfs4_ff_layout_prepare_ds(pgio->pg_lseg, i, true);  in ff_layout_pg_init_write()
560 		pgm = &pgio->pg_mirrors[i];  in ff_layout_pg_init_write()
561 		mirror = FF_LAYOUT_COMP(pgio->pg_lseg, i);  in ff_layout_pg_init_write()
568 	pnfs_put_lseg(pgio->pg_lseg);  in ff_layout_pg_init_write()
569 	pgio->pg_lseg = NULL;  in ff_layout_pg_init_write()
570 	nfs_pageio_reset_write_mds(pgio);  in ff_layout_pg_init_write()
574 ff_layout_pg_get_mirror_count_write(struct nfs_pageio_descriptor *pgio,  in ff_layout_pg_get_mirror_count_write()  argument
577 	if (!pgio->pg_lseg)  in ff_layout_pg_get_mirror_count_write()
578 		pgio->pg_lseg = pnfs_update_layout(pgio->pg_inode,  in ff_layout_pg_get_mirror_count_write()
584 	if (pgio->pg_lseg)  in ff_layout_pg_get_mirror_count_write()
585 		return FF_LAYOUT_MIRROR_COUNT(pgio->pg_lseg);  in ff_layout_pg_get_mirror_count_write()
588 	pnfs_put_lseg(pgio->pg_lseg);  in ff_layout_pg_get_mirror_count_write()
589 	pgio->pg_lseg = NULL;  in ff_layout_pg_get_mirror_count_write()
590 	nfs_pageio_reset_write_mds(pgio);  in ff_layout_pg_get_mirror_count_write()