697 	struct buffer_head *bh = NULL;  in udf_check_vsd()  local
726 		bh = udf_tread(sb, sector >> sb->s_blocksize_bits);  in udf_check_vsd()
727 		if (!bh)  in udf_check_vsd()
731 		vsd = (struct volStructDesc *)(bh->b_data +  in udf_check_vsd()
762 			brelse(bh);  in udf_check_vsd()
778 			brelse(bh);  in udf_check_vsd()
781 		brelse(bh);  in udf_check_vsd()
788 	else if (!bh && sector - (sbi->s_session << sb->s_blocksize_bits) ==  in udf_check_vsd()
799 	struct buffer_head *bh = NULL;  in udf_find_fileset()  local
806 		bh = udf_read_ptagged(sb, fileset, 0, &ident);  in udf_find_fileset()
808 		if (!bh) {  in udf_find_fileset()
811 			brelse(bh);  in udf_find_fileset()
818 	if (!bh) {  in udf_find_fileset()
836 				bh = udf_read_ptagged(sb, &newfileset, 0,  in udf_find_fileset()
838 				if (!bh) {  in udf_find_fileset()
848 								bh->b_data;  in udf_find_fileset()
853 					brelse(bh);  in udf_find_fileset()
861 					brelse(bh);  in udf_find_fileset()
862 					bh = NULL;  in udf_find_fileset()
872 	     fileset->partitionReferenceNum != 0xFFFF) && bh) {  in udf_find_fileset()
878 		udf_load_fileset(sb, bh, root);  in udf_find_fileset()
879 		brelse(bh);  in udf_find_fileset()
895 	struct buffer_head *bh;  in udf_load_pvoldesc()  local
907 	bh = udf_read_tagged(sb, block, block, &ident);  in udf_load_pvoldesc()
908 	if (!bh) {  in udf_load_pvoldesc()
918 	pvoldesc = (struct primaryVolDesc *)bh->b_data;  in udf_load_pvoldesc()
944 	brelse(bh);  in udf_load_pvoldesc()
1038 static void udf_load_fileset(struct super_block *sb, struct buffer_head *bh,  in udf_load_fileset()  argument
1043 	fset = (struct fileSetDesc *)bh->b_data;  in udf_load_fileset()
1212 	struct buffer_head *bh = NULL;  in udf_load_vat()  local
1237 			bh = sb_bread(sb, pos);  in udf_load_vat()
1238 			if (!bh)  in udf_load_vat()
1240 			vat20 = (struct virtualAllocationTable20 *)bh->b_data;  in udf_load_vat()
1252 		brelse(bh);  in udf_load_vat()
1265 	struct buffer_head *bh;  in udf_load_partdesc()  local
1274 	bh = udf_read_tagged(sb, block, block, &ident);  in udf_load_partdesc()
1275 	if (!bh)  in udf_load_partdesc()
1282 	p = (struct partitionDesc *)bh->b_data;  in udf_load_partdesc()
1358 	brelse(bh);  in udf_load_partdesc()
1371 	struct buffer_head *bh;  in udf_load_sparable_map()  local
1390 		bh = udf_read_tagged(sb, loc, loc, &ident);  in udf_load_sparable_map()
1391 		if (!bh)  in udf_load_sparable_map()
1394 		st = (struct sparingTable *)bh->b_data;  in udf_load_sparable_map()
1400 			brelse(bh);  in udf_load_sparable_map()
1404 		sdata->s_spar_map[i] = bh;  in udf_load_sparable_map()
1419 	struct buffer_head *bh;  in udf_load_logicalvol()  local
1423 	bh = udf_read_tagged(sb, block, block, &ident);  in udf_load_logicalvol()
1424 	if (!bh)  in udf_load_logicalvol()
1427 	lvd = (struct logicalVolDesc *)bh->b_data;  in udf_load_logicalvol()
1547 	brelse(bh);  in udf_load_logicalvol()
1557 	struct buffer_head *bh = NULL;  in udf_load_logicalvolint()  local
1563 	       (bh = udf_read_tagged(sb, loc.extLocation,  in udf_load_logicalvolint()
1566 		sbi->s_lvid_bh = bh;  in udf_load_logicalvolint()
1567 		lvid = (struct logicalVolIntegrityDesc *)bh->b_data;  in udf_load_logicalvolint()
1573 		if (sbi->s_lvid_bh != bh)  in udf_load_logicalvolint()
1574 			brelse(bh);  in udf_load_logicalvolint()
1578 	if (sbi->s_lvid_bh != bh)  in udf_load_logicalvolint()
1579 		brelse(bh);  in udf_load_logicalvolint()
1596 	struct buffer_head *bh = NULL;  in udf_process_sequence()  local
1615 		bh = udf_read_tagged(sb, block, block, &ident);  in udf_process_sequence()
1616 		if (!bh) {  in udf_process_sequence()
1624 		gd = (struct generic_desc *)bh->b_data;  in udf_process_sequence()
1640 				vdp = (struct volDescPtr *)bh->b_data;  in udf_process_sequence()
1685 		brelse(bh);  in udf_process_sequence()
1729 static int udf_load_sequence(struct super_block *sb, struct buffer_head *bh,  in udf_load_sequence()  argument
1736 	anchor = (struct anchorVolDescPtr *)bh->b_data;  in udf_load_sequence()
1776 	struct buffer_head *bh;  in udf_check_anchor_block()  local
1785 	bh = udf_read_tagged(sb, block, block, &ident);  in udf_check_anchor_block()
1786 	if (!bh)  in udf_check_anchor_block()
1789 		brelse(bh);  in udf_check_anchor_block()
1792 	ret = udf_load_sequence(sb, bh, fileset);  in udf_check_anchor_block()
1793 	brelse(bh);  in udf_check_anchor_block()
1959 	struct buffer_head *bh = sbi->s_lvid_bh;  in udf_open_lvid()  local
1963 	if (!bh)  in udf_open_lvid()
1965 	lvid = (struct logicalVolIntegrityDesc *)bh->b_data;  in udf_open_lvid()
1982 	mark_buffer_dirty(bh);  in udf_open_lvid()
1986 	sync_dirty_buffer(bh);  in udf_open_lvid()
1992 	struct buffer_head *bh = sbi->s_lvid_bh;  in udf_close_lvid()  local
1996 	if (!bh)  in udf_close_lvid()
1998 	lvid = (struct logicalVolIntegrityDesc *)bh->b_data;  in udf_close_lvid()
2025 	set_buffer_uptodate(bh);  in udf_close_lvid()
2026 	mark_buffer_dirty(bh);  in udf_close_lvid()
2030 	sync_dirty_buffer(bh);  in udf_close_lvid()
2035 	struct buffer_head *bh;  in lvid_get_unique_id()  local
2042 	bh = sbi->s_lvid_bh;  in lvid_get_unique_id()
2043 	if (!bh)  in lvid_get_unique_id()
2046 	lvid = (struct logicalVolIntegrityDesc *)bh->b_data;  in lvid_get_unique_id()
2055 	mark_buffer_dirty(bh);  in lvid_get_unique_id()
2352 	struct buffer_head *bh = NULL;  in udf_count_free_bitmap()  local
2364 	bh = udf_read_ptagged(sb, &loc, 0, &ident);  in udf_count_free_bitmap()
2366 	if (!bh) {  in udf_count_free_bitmap()
2370 		brelse(bh);  in udf_count_free_bitmap()
2375 	bm = (struct spaceBitmapDesc *)bh->b_data;  in udf_count_free_bitmap()
2378 	ptr = (uint8_t *)bh->b_data;  in udf_count_free_bitmap()
2386 			brelse(bh);  in udf_count_free_bitmap()
2388 			bh = udf_tread(sb, newblock);  in udf_count_free_bitmap()
2389 			if (!bh) {  in udf_count_free_bitmap()
2394 			ptr = (uint8_t *)bh->b_data;  in udf_count_free_bitmap()
2397 	brelse(bh);  in udf_count_free_bitmap()
2414 	epos.bh = NULL;  in udf_count_free_table()
2419 	brelse(epos.bh);  in udf_count_free_table()