320 		struct pnfs_layout_segment *lseg,  in ff_layout_add_lseg()  argument
323 	pnfs_generic_layout_insert_lseg(lo, lseg,  in ff_layout_add_lseg()
531 	struct pnfs_layout_segment *lseg;  in ff_layout_has_rw_segments()  local
533 	list_for_each_entry(lseg, &layout->plh_segs, pls_list)  in ff_layout_has_rw_segments()
534 		if (lseg->pls_range.iomode == IOMODE_RW)  in ff_layout_has_rw_segments()
541 ff_layout_free_lseg(struct pnfs_layout_segment *lseg)  in ff_layout_free_lseg()  argument
543 	struct nfs4_ff_layout_segment *fls = FF_LAYOUT_LSEG(lseg);  in ff_layout_free_lseg()
547 	if (lseg->pls_range.iomode == IOMODE_RW) {  in ff_layout_free_lseg()
551 		ffl = FF_LAYOUT_FROM_HDR(lseg->pls_layout);  in ff_layout_free_lseg()
554 		if (!ff_layout_has_rw_segments(lseg->pls_layout)) {  in ff_layout_free_lseg()
712 ff_layout_alloc_commit_info(struct pnfs_layout_segment *lseg,  in ff_layout_alloc_commit_info()  argument
716 	struct nfs4_ff_layout_segment *fls = FF_LAYOUT_LSEG(lseg);  in ff_layout_alloc_commit_info()
729 	size = ff_layout_get_lseg_count(fls) * FF_LAYOUT_MIRROR_COUNT(lseg);  in ff_layout_alloc_commit_info()
758 ff_layout_choose_best_ds_for_read(struct pnfs_layout_segment *lseg,  in ff_layout_choose_best_ds_for_read()  argument
762 	struct nfs4_ff_layout_segment *fls = FF_LAYOUT_LSEG(lseg);  in ff_layout_choose_best_ds_for_read()
768 		ds = nfs4_ff_layout_prepare_ds(lseg, idx, false);  in ff_layout_choose_best_ds_for_read()
965 					   struct pnfs_layout_segment *lseg,  in ff_layout_async_handle_error_v4()  argument
968 	struct pnfs_layout_hdr *lo = lseg->pls_layout;  in ff_layout_async_handle_error_v4()
972 	struct nfs4_deviceid_node *devid = FF_LAYOUT_DEVID_NODE(lseg, idx);  in ff_layout_async_handle_error_v4()
1052 		if (ff_layout_no_fallback_to_mds(lseg) ||  in ff_layout_async_handle_error_v4()
1053 		    ff_layout_has_available_ds(lseg))  in ff_layout_async_handle_error_v4()
1075 					   struct pnfs_layout_segment *lseg,  in ff_layout_async_handle_error_v3()  argument
1078 	struct nfs4_deviceid_node *devid = FF_LAYOUT_DEVID_NODE(lseg, idx);  in ff_layout_async_handle_error_v3()
1093 		nfs_inc_stats(lseg->pls_layout->plh_inode, NFSIOS_DELAY);  in ff_layout_async_handle_error_v3()
1112 					struct pnfs_layout_segment *lseg,  in ff_layout_async_handle_error()  argument
1119 		return ff_layout_async_handle_error_v3(task, lseg, idx);  in ff_layout_async_handle_error()
1122 						       lseg, idx);  in ff_layout_async_handle_error()
1130 static void ff_layout_io_track_ds_error(struct pnfs_layout_segment *lseg,  in ff_layout_io_track_ds_error()  argument
1162 	mirror = FF_LAYOUT_COMP(lseg, idx);  in ff_layout_io_track_ds_error()
1163 	err = ff_layout_track_ds_error(FF_LAYOUT_FROM_HDR(lseg->pls_layout),  in ff_layout_io_track_ds_error()
1166 	pnfs_error_mark_layout_for_return(lseg->pls_layout->plh_inode, lseg);  in ff_layout_io_track_ds_error()
1178 		ff_layout_io_track_ds_error(hdr->lseg, hdr->pgio_mirror_idx,  in ff_layout_read_done_cb()
1183 					   hdr->ds_clp, hdr->lseg,  in ff_layout_read_done_cb()
1188 		if (ff_layout_choose_best_ds_for_read(hdr->lseg,  in ff_layout_read_done_cb()
1193 			&hdr->lseg->pls_layout->plh_flags);  in ff_layout_read_done_cb()
1210 ff_layout_need_layoutcommit(struct pnfs_layout_segment *lseg)  in ff_layout_need_layoutcommit()  argument
1212 	return !(FF_LAYOUT_LSEG(lseg)->flags & FF_FLAGS_NO_LAYOUTCOMMIT);  in ff_layout_need_layoutcommit()
1227 	if (!ff_layout_need_layoutcommit(hdr->lseg))  in ff_layout_set_layoutcommit()
1230 	pnfs_set_layoutcommit(hdr->inode, hdr->lseg,  in ff_layout_set_layoutcommit()
1237 ff_layout_reset_to_mds(struct pnfs_layout_segment *lseg, int idx)  in ff_layout_reset_to_mds()  argument
1240 	struct nfs4_deviceid_node *node = FF_LAYOUT_DEVID_NODE(lseg, idx);  in ff_layout_reset_to_mds()
1249 			FF_LAYOUT_COMP(hdr->lseg, hdr->pgio_mirror_idx),  in ff_layout_read_prepare_common()
1257 	if (ff_layout_reset_to_mds(hdr->lseg, hdr->pgio_mirror_idx)) {  in ff_layout_read_prepare_common()
1259 		if (ff_layout_has_available_ds(hdr->lseg))  in ff_layout_read_prepare_common()
1327 			FF_LAYOUT_COMP(hdr->lseg, hdr->pgio_mirror_idx),  in ff_layout_read_call_done()
1355 		ff_layout_io_track_ds_error(hdr->lseg, hdr->pgio_mirror_idx,  in ff_layout_write_done_cb()
1360 					   hdr->ds_clp, hdr->lseg,  in ff_layout_write_done_cb()
1365 		pnfs_set_retry_layoutget(hdr->lseg->pls_layout);  in ff_layout_write_done_cb()
1369 		pnfs_clear_retry_layoutget(hdr->lseg->pls_layout);  in ff_layout_write_done_cb()
1396 		ff_layout_io_track_ds_error(data->lseg, data->ds_commit_index,  in ff_layout_commit_done_cb()
1401 					   data->lseg, data->ds_commit_index);  in ff_layout_commit_done_cb()
1405 		pnfs_set_retry_layoutget(data->lseg->pls_layout);  in ff_layout_commit_done_cb()
1409 		pnfs_clear_retry_layoutget(data->lseg->pls_layout);  in ff_layout_commit_done_cb()
1418 	    && ff_layout_need_layoutcommit(data->lseg))  in ff_layout_commit_done_cb()
1419 		pnfs_set_layoutcommit(data->inode, data->lseg, data->lwb);  in ff_layout_commit_done_cb()
1428 			FF_LAYOUT_COMP(hdr->lseg, hdr->pgio_mirror_idx),  in ff_layout_write_prepare_common()
1437 	if (ff_layout_reset_to_mds(hdr->lseg, hdr->pgio_mirror_idx)) {  in ff_layout_write_prepare_common()
1440 		retry_pnfs = ff_layout_has_available_ds(hdr->lseg);  in ff_layout_write_prepare_common()
1484 			FF_LAYOUT_COMP(hdr->lseg, hdr->pgio_mirror_idx),  in ff_layout_write_call_done()
1510 			FF_LAYOUT_COMP(cdata->lseg, cdata->ds_commit_index),  in ff_layout_commit_prepare_common()
1544 			FF_LAYOUT_COMP(cdata->lseg, cdata->ds_commit_index),  in ff_layout_commit_done()
1603 	struct pnfs_layout_segment *lseg = hdr->lseg;  in ff_layout_read_pagelist()  local
1616 	ds = nfs4_ff_layout_prepare_ds(lseg, idx, false);  in ff_layout_read_pagelist()
1620 	ds_clnt = nfs4_ff_find_or_create_ds_client(lseg, idx, ds->ds_clp,  in ff_layout_read_pagelist()
1625 	ds_cred = ff_layout_get_ds_cred(lseg, idx, hdr->cred);  in ff_layout_read_pagelist()
1629 	vers = nfs4_ff_layout_ds_version(lseg, idx);  in ff_layout_read_pagelist()
1636 	fh = nfs4_ff_layout_select_ds_fh(lseg, idx);  in ff_layout_read_pagelist()
1655 	if (ff_layout_has_available_ds(lseg))  in ff_layout_read_pagelist()
1664 	struct pnfs_layout_segment *lseg = hdr->lseg;  in ff_layout_write_pagelist()  local
1673 	ds = nfs4_ff_layout_prepare_ds(lseg, idx, true);  in ff_layout_write_pagelist()
1677 	ds_clnt = nfs4_ff_find_or_create_ds_client(lseg, idx, ds->ds_clp,  in ff_layout_write_pagelist()
1682 	ds_cred = ff_layout_get_ds_cred(lseg, idx, hdr->cred);  in ff_layout_write_pagelist()
1686 	vers = nfs4_ff_layout_ds_version(lseg, idx);  in ff_layout_write_pagelist()
1697 	fh = nfs4_ff_layout_select_ds_fh(lseg, idx);  in ff_layout_write_pagelist()
1715 static u32 calc_ds_index_from_commit(struct pnfs_layout_segment *lseg, u32 i)  in calc_ds_index_from_commit()  argument
1721 select_ds_fh_from_commit(struct pnfs_layout_segment *lseg, u32 i)  in select_ds_fh_from_commit()  argument
1723 	struct nfs4_ff_layout_segment *flseg = FF_LAYOUT_LSEG(lseg);  in select_ds_fh_from_commit()
1733 	struct pnfs_layout_segment *lseg = data->lseg;  in ff_layout_initiate_commit()  local
1741 	idx = calc_ds_index_from_commit(lseg, data->ds_commit_index);  in ff_layout_initiate_commit()
1742 	ds = nfs4_ff_layout_prepare_ds(lseg, idx, true);  in ff_layout_initiate_commit()
1746 	ds_clnt = nfs4_ff_find_or_create_ds_client(lseg, idx, ds->ds_clp,  in ff_layout_initiate_commit()
1751 	ds_cred = ff_layout_get_ds_cred(lseg, idx, data->cred);  in ff_layout_initiate_commit()
1755 	vers = nfs4_ff_layout_ds_version(lseg, idx);  in ff_layout_initiate_commit()
1764 	fh = select_ds_fh_from_commit(lseg, data->ds_commit_index);  in ff_layout_initiate_commit()