745 	struct buffer_head *bh = NULL;  in udf_check_vsd()  local
774 		bh = sb_bread(sb, sector >> sb->s_blocksize_bits);  in udf_check_vsd()
775 		if (!bh)  in udf_check_vsd()
778 		vsd = (struct volStructDesc *)(bh->b_data +  in udf_check_vsd()
783 			brelse(bh);  in udf_check_vsd()
797 		brelse(bh);  in udf_check_vsd()
802 	else if (!bh && sector - session_offset == VSD_FIRST_SECTOR_OFFSET)  in udf_check_vsd()
861 	struct buffer_head *bh;  in udf_find_fileset()  local
869 	bh = udf_read_ptagged(sb, fileset, 0, &ident);  in udf_find_fileset()
870 	if (!bh)  in udf_find_fileset()
873 		brelse(bh);  in udf_find_fileset()
881 	ret = udf_load_fileset(sb, (struct fileSetDesc *)bh->b_data, root);  in udf_find_fileset()
882 	brelse(bh);  in udf_find_fileset()
896 	struct buffer_head *bh;  in udf_load_pvoldesc()  local
905 	bh = udf_read_tagged(sb, block, block, &ident);  in udf_load_pvoldesc()
906 	if (!bh) {  in udf_load_pvoldesc()
916 	pvoldesc = (struct primaryVolDesc *)bh->b_data;  in udf_load_pvoldesc()
945 	brelse(bh);  in udf_load_pvoldesc()
1228 	struct buffer_head *bh = NULL;  in udf_load_vat()  local
1258 			bh = udf_bread(sbi->s_vat_inode, 0, 0, &err);  in udf_load_vat()
1259 			if (!bh) {  in udf_load_vat()
1264 			vat20 = (struct virtualAllocationTable20 *)bh->b_data;  in udf_load_vat()
1277 			brelse(bh);  in udf_load_vat()
1284 		brelse(bh);  in udf_load_vat()
1297 	struct buffer_head *bh;  in udf_load_partdesc()  local
1306 	bh = udf_read_tagged(sb, block, block, &ident);  in udf_load_partdesc()
1307 	if (!bh)  in udf_load_partdesc()
1314 	p = (struct partitionDesc *)bh->b_data;  in udf_load_partdesc()
1389 	brelse(bh);  in udf_load_partdesc()
1402 	struct buffer_head *bh;  in udf_load_sparable_map()  local
1427 		bh = udf_read_tagged(sb, loc, loc, &ident);  in udf_load_sparable_map()
1428 		if (!bh)  in udf_load_sparable_map()
1431 		st = (struct sparingTable *)bh->b_data;  in udf_load_sparable_map()
1438 			brelse(bh);  in udf_load_sparable_map()
1442 		sdata->s_spar_map[i] = bh;  in udf_load_sparable_map()
1457 	struct buffer_head *bh;  in udf_load_logicalvol()  local
1461 	bh = udf_read_tagged(sb, block, block, &ident);  in udf_load_logicalvol()
1462 	if (!bh)  in udf_load_logicalvol()
1465 	lvd = (struct logicalVolDesc *)bh->b_data;  in udf_load_logicalvol()
1609 	brelse(bh);  in udf_load_logicalvol()
1632 	struct buffer_head *bh, *final_bh;  in udf_load_logicalvolint()  local
1641 			(bh = udf_read_tagged(sb, loc.extLocation,  in udf_load_logicalvolint()
1644 				brelse(bh);  in udf_load_logicalvolint()
1649 			final_bh = bh;  in udf_load_logicalvolint()
1700 				struct buffer_head *bh,  in handle_partition_descriptor()  argument
1703 	struct partitionDesc *desc = (struct partitionDesc *)bh->b_data;  in handle_partition_descriptor()
1731 		struct buffer_head *bh, struct desc_seq_scan_data *data)  in get_volume_descriptor_record()  argument
1743 		return handle_partition_descriptor(bh, data);  in get_volume_descriptor_record()
1762 	struct buffer_head *bh = NULL;  in udf_process_sequence()  local
1787 		bh = udf_read_tagged(sb, block, block, &ident);  in udf_process_sequence()
1788 		if (!bh)  in udf_process_sequence()
1792 		gd = (struct generic_desc *)bh->b_data;  in udf_process_sequence()
1800 				brelse(bh);  in udf_process_sequence()
1805 			vdp = (struct volDescPtr *)bh->b_data;  in udf_process_sequence()
1819 			curr = get_volume_descriptor_record(ident, bh, &data);  in udf_process_sequence()
1821 				brelse(bh);  in udf_process_sequence()
1837 		brelse(bh);  in udf_process_sequence()
1877 static int udf_load_sequence(struct super_block *sb, struct buffer_head *bh,  in udf_load_sequence()  argument
1884 	anchor = (struct anchorVolDescPtr *)bh->b_data;  in udf_load_sequence()
1924 	struct buffer_head *bh;  in udf_check_anchor_block()  local
1928 	bh = udf_read_tagged(sb, block, block, &ident);  in udf_check_anchor_block()
1929 	if (!bh)  in udf_check_anchor_block()
1932 		brelse(bh);  in udf_check_anchor_block()
1935 	ret = udf_load_sequence(sb, bh, fileset);  in udf_check_anchor_block()
1936 	brelse(bh);  in udf_check_anchor_block()
2058 static void udf_mark_buffer_dirty(struct buffer_head *bh)  in udf_mark_buffer_dirty()  argument
2065 	set_buffer_uptodate(bh);  in udf_mark_buffer_dirty()
2066 	mark_buffer_dirty(bh);  in udf_mark_buffer_dirty()
2084 	struct buffer_head *bh = sbi->s_lvid_bh;  in udf_open_lvid()  local
2088 	if (!bh)  in udf_open_lvid()
2090 	lvid = (struct logicalVolIntegrityDesc *)bh->b_data;  in udf_open_lvid()
2104 	udf_mark_buffer_dirty(bh);  in udf_open_lvid()
2108 	sync_dirty_buffer(bh);  in udf_open_lvid()
2114 	struct buffer_head *bh = sbi->s_lvid_bh;  in udf_close_lvid()  local
2118 	if (!bh)  in udf_close_lvid()
2120 	lvid = (struct logicalVolIntegrityDesc *)bh->b_data;  in udf_close_lvid()
2138 	udf_mark_buffer_dirty(bh);  in udf_close_lvid()
2142 	sync_dirty_buffer(bh);  in udf_close_lvid()
2147 	struct buffer_head *bh;  in lvid_get_unique_id()  local
2154 	bh = sbi->s_lvid_bh;  in lvid_get_unique_id()
2155 	if (!bh)  in lvid_get_unique_id()
2158 	lvid = (struct logicalVolIntegrityDesc *)bh->b_data;  in lvid_get_unique_id()
2410 		struct buffer_head *bh = sbi->s_lvid_bh;  in udf_sync_fs()  local
2413 		lvid = (struct logicalVolIntegrityDesc *)bh->b_data;  in udf_sync_fs()
2420 		udf_mark_buffer_dirty(bh);  in udf_sync_fs()
2458 	struct buffer_head *bh = NULL;  in udf_count_free_bitmap()  local
2470 	bh = udf_read_ptagged(sb, &loc, 0, &ident);  in udf_count_free_bitmap()
2472 	if (!bh) {  in udf_count_free_bitmap()
2476 		brelse(bh);  in udf_count_free_bitmap()
2481 	bm = (struct spaceBitmapDesc *)bh->b_data;  in udf_count_free_bitmap()
2484 	ptr = (uint8_t *)bh->b_data;  in udf_count_free_bitmap()
2492 			brelse(bh);  in udf_count_free_bitmap()
2494 			bh = sb_bread(sb, newblock);  in udf_count_free_bitmap()
2495 			if (!bh) {  in udf_count_free_bitmap()
2500 			ptr = (uint8_t *)bh->b_data;  in udf_count_free_bitmap()
2503 	brelse(bh);  in udf_count_free_bitmap()
2520 	epos.bh = NULL;  in udf_count_free_table()
2525 	brelse(epos.bh);  in udf_count_free_table()