341 		struct pnfs_layout_segment *lseg,  in ff_layout_add_lseg()  argument
344 	pnfs_generic_layout_insert_lseg(lo, lseg,  in ff_layout_add_lseg()
556 	struct pnfs_layout_segment *lseg;  in ff_layout_has_rw_segments()  local
558 	list_for_each_entry(lseg, &layout->plh_segs, pls_list)  in ff_layout_has_rw_segments()
559 		if (lseg->pls_range.iomode == IOMODE_RW)  in ff_layout_has_rw_segments()
566 ff_layout_free_lseg(struct pnfs_layout_segment *lseg)  in ff_layout_free_lseg()  argument
568 	struct nfs4_ff_layout_segment *fls = FF_LAYOUT_LSEG(lseg);  in ff_layout_free_lseg()
572 	if (lseg->pls_range.iomode == IOMODE_RW) {  in ff_layout_free_lseg()
576 		ffl = FF_LAYOUT_FROM_HDR(lseg->pls_layout);  in ff_layout_free_lseg()
579 		if (!ff_layout_has_rw_segments(lseg->pls_layout)) {  in ff_layout_free_lseg()
741 ff_layout_alloc_commit_info(struct pnfs_layout_segment *lseg,  in ff_layout_alloc_commit_info()  argument
745 	struct nfs4_ff_layout_segment *fls = FF_LAYOUT_LSEG(lseg);  in ff_layout_alloc_commit_info()
758 	size = ff_layout_get_lseg_count(fls) * FF_LAYOUT_MIRROR_COUNT(lseg);  in ff_layout_alloc_commit_info()
787 ff_layout_choose_best_ds_for_read(struct pnfs_layout_segment *lseg,  in ff_layout_choose_best_ds_for_read()  argument
791 	struct nfs4_ff_layout_segment *fls = FF_LAYOUT_LSEG(lseg);  in ff_layout_choose_best_ds_for_read()
800 		ds = nfs4_ff_layout_prepare_ds(lseg, idx, fail_return);  in ff_layout_choose_best_ds_for_read()
1042 					   struct pnfs_layout_segment *lseg,  in ff_layout_async_handle_error_v4()  argument
1045 	struct pnfs_layout_hdr *lo = lseg->pls_layout;  in ff_layout_async_handle_error_v4()
1047 	struct nfs4_deviceid_node *devid = FF_LAYOUT_DEVID_NODE(lseg, idx);  in ff_layout_async_handle_error_v4()
1103 		if (ff_layout_avoid_mds_available_ds(lseg))  in ff_layout_async_handle_error_v4()
1116 					   struct pnfs_layout_segment *lseg,  in ff_layout_async_handle_error_v3()  argument
1119 	struct nfs4_deviceid_node *devid = FF_LAYOUT_DEVID_NODE(lseg, idx);  in ff_layout_async_handle_error_v3()
1131 		nfs_inc_stats(lseg->pls_layout->plh_inode, NFSIOS_DELAY);  in ff_layout_async_handle_error_v3()
1151 					struct pnfs_layout_segment *lseg,  in ff_layout_async_handle_error()  argument
1160 	if (!pnfs_is_valid_lseg(lseg))  in ff_layout_async_handle_error()
1165 		return ff_layout_async_handle_error_v3(task, lseg, idx);  in ff_layout_async_handle_error()
1168 						       lseg, idx);  in ff_layout_async_handle_error()
1176 static void ff_layout_io_track_ds_error(struct pnfs_layout_segment *lseg,  in ff_layout_io_track_ds_error()  argument
1216 	mirror = FF_LAYOUT_COMP(lseg, idx);  in ff_layout_io_track_ds_error()
1217 	err = ff_layout_track_ds_error(FF_LAYOUT_FROM_HDR(lseg->pls_layout),  in ff_layout_io_track_ds_error()
1220 	pnfs_error_mark_layout_for_return(lseg->pls_layout->plh_inode, lseg);  in ff_layout_io_track_ds_error()
1232 		ff_layout_io_track_ds_error(hdr->lseg, hdr->pgio_mirror_idx,  in ff_layout_read_done_cb()
1237 					   hdr->ds_clp, hdr->lseg,  in ff_layout_read_done_cb()
1244 		if (ff_layout_choose_best_ds_for_read(hdr->lseg,  in ff_layout_read_done_cb()
1264 ff_layout_need_layoutcommit(struct pnfs_layout_segment *lseg)  in ff_layout_need_layoutcommit()  argument
1266 	return !(FF_LAYOUT_LSEG(lseg)->flags & FF_FLAGS_NO_LAYOUTCOMMIT);  in ff_layout_need_layoutcommit()
1280 		struct pnfs_layout_segment *lseg,  in ff_layout_set_layoutcommit()  argument
1283 	if (!ff_layout_need_layoutcommit(lseg))  in ff_layout_set_layoutcommit()
1286 	pnfs_set_layoutcommit(inode, lseg, end_offset);  in ff_layout_set_layoutcommit()
1292 ff_layout_device_unavailable(struct pnfs_layout_segment *lseg, int idx)  in ff_layout_device_unavailable()  argument
1295 	struct nfs4_deviceid_node *node = FF_LAYOUT_DEVID_NODE(lseg, idx);  in ff_layout_device_unavailable()
1306 			FF_LAYOUT_COMP(hdr->lseg, hdr->pgio_mirror_idx),  in ff_layout_read_record_layoutstats_start()
1317 			FF_LAYOUT_COMP(hdr->lseg, hdr->pgio_mirror_idx),  in ff_layout_read_record_layoutstats_done()
1320 	set_bit(NFS_LSEG_LAYOUTRETURN, &hdr->lseg->pls_flags);  in ff_layout_read_record_layoutstats_done()
1330 	if (ff_layout_device_unavailable(hdr->lseg, hdr->pgio_mirror_idx)) {  in ff_layout_read_prepare_common()
1418 		ff_layout_io_track_ds_error(hdr->lseg, hdr->pgio_mirror_idx,  in ff_layout_write_done_cb()
1423 					   hdr->ds_clp, hdr->lseg,  in ff_layout_write_done_cb()
1444 	ff_layout_set_layoutcommit(hdr->inode, hdr->lseg, end_offs);  in ff_layout_write_done_cb()
1461 		ff_layout_io_track_ds_error(data->lseg, data->ds_commit_index,  in ff_layout_commit_done_cb()
1466 					   data->lseg, data->ds_commit_index);  in ff_layout_commit_done_cb()
1480 	ff_layout_set_layoutcommit(data->inode, data->lseg, data->lwb);  in ff_layout_commit_done_cb()
1491 			FF_LAYOUT_COMP(hdr->lseg, hdr->pgio_mirror_idx),  in ff_layout_write_record_layoutstats_start()
1502 			FF_LAYOUT_COMP(hdr->lseg, hdr->pgio_mirror_idx),  in ff_layout_write_record_layoutstats_done()
1505 	set_bit(NFS_LSEG_LAYOUTRETURN, &hdr->lseg->pls_flags);  in ff_layout_write_record_layoutstats_done()
1516 	if (ff_layout_device_unavailable(hdr->lseg, hdr->pgio_mirror_idx)) {  in ff_layout_write_prepare_common()
1594 			FF_LAYOUT_COMP(cdata->lseg, cdata->ds_commit_index),  in ff_layout_commit_record_layoutstats_start()
1612 			FF_LAYOUT_COMP(cdata->lseg, cdata->ds_commit_index),  in ff_layout_commit_record_layoutstats_done()
1614 	set_bit(NFS_LSEG_LAYOUTRETURN, &cdata->lseg->pls_flags);  in ff_layout_commit_record_layoutstats_done()
1708 	struct pnfs_layout_segment *lseg = hdr->lseg;  in ff_layout_read_pagelist()  local
1721 	ds = nfs4_ff_layout_prepare_ds(lseg, idx, false);  in ff_layout_read_pagelist()
1725 	ds_clnt = nfs4_ff_find_or_create_ds_client(lseg, idx, ds->ds_clp,  in ff_layout_read_pagelist()
1730 	ds_cred = ff_layout_get_ds_cred(lseg, idx, hdr->cred);  in ff_layout_read_pagelist()
1734 	vers = nfs4_ff_layout_ds_version(lseg, idx);  in ff_layout_read_pagelist()
1742 	fh = nfs4_ff_layout_select_ds_fh(lseg, idx);  in ff_layout_read_pagelist()
1761 	if (ff_layout_avoid_mds_available_ds(lseg))  in ff_layout_read_pagelist()
1770 	struct pnfs_layout_segment *lseg = hdr->lseg;  in ff_layout_write_pagelist()  local
1779 	ds = nfs4_ff_layout_prepare_ds(lseg, idx, true);  in ff_layout_write_pagelist()
1783 	ds_clnt = nfs4_ff_find_or_create_ds_client(lseg, idx, ds->ds_clp,  in ff_layout_write_pagelist()
1788 	ds_cred = ff_layout_get_ds_cred(lseg, idx, hdr->cred);  in ff_layout_write_pagelist()
1792 	vers = nfs4_ff_layout_ds_version(lseg, idx);  in ff_layout_write_pagelist()
1803 	fh = nfs4_ff_layout_select_ds_fh(lseg, idx);  in ff_layout_write_pagelist()
1822 	if (ff_layout_avoid_mds_available_ds(lseg))  in ff_layout_write_pagelist()
1827 static u32 calc_ds_index_from_commit(struct pnfs_layout_segment *lseg, u32 i)  in calc_ds_index_from_commit()  argument
1833 select_ds_fh_from_commit(struct pnfs_layout_segment *lseg, u32 i)  in select_ds_fh_from_commit()  argument
1835 	struct nfs4_ff_layout_segment *flseg = FF_LAYOUT_LSEG(lseg);  in select_ds_fh_from_commit()
1845 	struct pnfs_layout_segment *lseg = data->lseg;  in ff_layout_initiate_commit()  local
1853 	if (!lseg || !(pnfs_is_valid_lseg(lseg) ||  in ff_layout_initiate_commit()
1854 	    test_bit(NFS_LSEG_LAYOUTRETURN, &lseg->pls_flags)))  in ff_layout_initiate_commit()
1857 	idx = calc_ds_index_from_commit(lseg, data->ds_commit_index);  in ff_layout_initiate_commit()
1858 	ds = nfs4_ff_layout_prepare_ds(lseg, idx, true);  in ff_layout_initiate_commit()
1862 	ds_clnt = nfs4_ff_find_or_create_ds_client(lseg, idx, ds->ds_clp,  in ff_layout_initiate_commit()
1867 	ds_cred = ff_layout_get_ds_cred(lseg, idx, data->cred);  in ff_layout_initiate_commit()
1871 	vers = nfs4_ff_layout_ds_version(lseg, idx);  in ff_layout_initiate_commit()
1880 	fh = select_ds_fh_from_commit(lseg, data->ds_commit_index);  in ff_layout_initiate_commit()