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()
950 	brelse(bh);  in udf_load_pvoldesc()
1044 static void udf_load_fileset(struct super_block *sb, struct buffer_head *bh,  in udf_load_fileset()  argument
1049 	fset = (struct fileSetDesc *)bh->b_data;  in udf_load_fileset()
1218 	struct buffer_head *bh = NULL;  in udf_load_vat()  local
1243 			bh = sb_bread(sb, pos);  in udf_load_vat()
1244 			if (!bh)  in udf_load_vat()
1246 			vat20 = (struct virtualAllocationTable20 *)bh->b_data;  in udf_load_vat()
1258 		brelse(bh);  in udf_load_vat()
1271 	struct buffer_head *bh;  in udf_load_partdesc()  local
1280 	bh = udf_read_tagged(sb, block, block, &ident);  in udf_load_partdesc()
1281 	if (!bh)  in udf_load_partdesc()
1288 	p = (struct partitionDesc *)bh->b_data;  in udf_load_partdesc()
1364 	brelse(bh);  in udf_load_partdesc()
1377 	struct buffer_head *bh;  in udf_load_sparable_map()  local
1396 		bh = udf_read_tagged(sb, loc, loc, &ident);  in udf_load_sparable_map()
1397 		if (!bh)  in udf_load_sparable_map()
1400 		st = (struct sparingTable *)bh->b_data;  in udf_load_sparable_map()
1406 			brelse(bh);  in udf_load_sparable_map()
1410 		sdata->s_spar_map[i] = bh;  in udf_load_sparable_map()
1425 	struct buffer_head *bh;  in udf_load_logicalvol()  local
1429 	bh = udf_read_tagged(sb, block, block, &ident);  in udf_load_logicalvol()
1430 	if (!bh)  in udf_load_logicalvol()
1433 	lvd = (struct logicalVolDesc *)bh->b_data;  in udf_load_logicalvol()
1553 	brelse(bh);  in udf_load_logicalvol()
1563 	struct buffer_head *bh = NULL;  in udf_load_logicalvolint()  local
1569 	       (bh = udf_read_tagged(sb, loc.extLocation,  in udf_load_logicalvolint()
1572 		sbi->s_lvid_bh = bh;  in udf_load_logicalvolint()
1573 		lvid = (struct logicalVolIntegrityDesc *)bh->b_data;  in udf_load_logicalvolint()
1579 		if (sbi->s_lvid_bh != bh)  in udf_load_logicalvolint()
1580 			brelse(bh);  in udf_load_logicalvolint()
1584 	if (sbi->s_lvid_bh != bh)  in udf_load_logicalvolint()
1585 		brelse(bh);  in udf_load_logicalvolint()
1602 	struct buffer_head *bh = NULL;  in udf_process_sequence()  local
1621 		bh = udf_read_tagged(sb, block, block, &ident);  in udf_process_sequence()
1622 		if (!bh) {  in udf_process_sequence()
1630 		gd = (struct generic_desc *)bh->b_data;  in udf_process_sequence()
1646 				vdp = (struct volDescPtr *)bh->b_data;  in udf_process_sequence()
1691 		brelse(bh);  in udf_process_sequence()
1735 static int udf_load_sequence(struct super_block *sb, struct buffer_head *bh,  in udf_load_sequence()  argument
1742 	anchor = (struct anchorVolDescPtr *)bh->b_data;  in udf_load_sequence()
1782 	struct buffer_head *bh;  in udf_check_anchor_block()  local
1791 	bh = udf_read_tagged(sb, block, block, &ident);  in udf_check_anchor_block()
1792 	if (!bh)  in udf_check_anchor_block()
1795 		brelse(bh);  in udf_check_anchor_block()
1798 	ret = udf_load_sequence(sb, bh, fileset);  in udf_check_anchor_block()
1799 	brelse(bh);  in udf_check_anchor_block()
1965 	struct buffer_head *bh = sbi->s_lvid_bh;  in udf_open_lvid()  local
1969 	if (!bh)  in udf_open_lvid()
1971 	lvid = (struct logicalVolIntegrityDesc *)bh->b_data;  in udf_open_lvid()
1988 	mark_buffer_dirty(bh);  in udf_open_lvid()
1992 	sync_dirty_buffer(bh);  in udf_open_lvid()
1998 	struct buffer_head *bh = sbi->s_lvid_bh;  in udf_close_lvid()  local
2002 	if (!bh)  in udf_close_lvid()
2004 	lvid = (struct logicalVolIntegrityDesc *)bh->b_data;  in udf_close_lvid()
2031 	set_buffer_uptodate(bh);  in udf_close_lvid()
2032 	mark_buffer_dirty(bh);  in udf_close_lvid()
2036 	sync_dirty_buffer(bh);  in udf_close_lvid()
2041 	struct buffer_head *bh;  in lvid_get_unique_id()  local
2048 	bh = sbi->s_lvid_bh;  in lvid_get_unique_id()
2049 	if (!bh)  in lvid_get_unique_id()
2052 	lvid = (struct logicalVolIntegrityDesc *)bh->b_data;  in lvid_get_unique_id()
2061 	mark_buffer_dirty(bh);  in lvid_get_unique_id()
2361 	struct buffer_head *bh = NULL;  in udf_count_free_bitmap()  local
2373 	bh = udf_read_ptagged(sb, &loc, 0, &ident);  in udf_count_free_bitmap()
2375 	if (!bh) {  in udf_count_free_bitmap()
2379 		brelse(bh);  in udf_count_free_bitmap()
2384 	bm = (struct spaceBitmapDesc *)bh->b_data;  in udf_count_free_bitmap()
2387 	ptr = (uint8_t *)bh->b_data;  in udf_count_free_bitmap()
2395 			brelse(bh);  in udf_count_free_bitmap()
2397 			bh = udf_tread(sb, newblock);  in udf_count_free_bitmap()
2398 			if (!bh) {  in udf_count_free_bitmap()
2403 			ptr = (uint8_t *)bh->b_data;  in udf_count_free_bitmap()
2406 	brelse(bh);  in udf_count_free_bitmap()
2423 	epos.bh = NULL;  in udf_count_free_table()
2428 	brelse(epos.bh);  in udf_count_free_table()