812 	struct buffer_head *gdb_bh = NULL;  in add_new_gdb()  local
823 	gdb_bh = ext4_sb_bread(sb, gdblock, 0);  in add_new_gdb()
824 	if (IS_ERR(gdb_bh))  in add_new_gdb()
825 		return PTR_ERR(gdb_bh);  in add_new_gdb()
827 	gdbackups = verify_reserved_gdb(sb, group, gdb_bh);  in add_new_gdb()
854 	BUFFER_TRACE(gdb_bh, "get_write_access");  in add_new_gdb()
855 	err = ext4_journal_get_write_access(handle, gdb_bh);  in add_new_gdb()
898 	memset(gdb_bh->b_data, 0, sb->s_blocksize);  in add_new_gdb()
899 	err = ext4_handle_dirty_metadata(handle, NULL, gdb_bh);  in add_new_gdb()
912 	n_group_desc[gdb_num] = gdb_bh;  in add_new_gdb()
929 	brelse(gdb_bh);  in add_new_gdb()
941 	struct buffer_head *gdb_bh;  in add_new_gdb_meta_bg()  local
948 	gdb_bh = ext4_sb_bread(sb, gdblock, 0);  in add_new_gdb_meta_bg()
949 	if (IS_ERR(gdb_bh))  in add_new_gdb_meta_bg()
950 		return PTR_ERR(gdb_bh);  in add_new_gdb_meta_bg()
954 		brelse(gdb_bh);  in add_new_gdb_meta_bg()
966 	n_group_desc[gdb_num] = gdb_bh;  in add_new_gdb_meta_bg()
968 	BUFFER_TRACE(gdb_bh, "get_write_access");  in add_new_gdb_meta_bg()
969 	err = ext4_journal_get_write_access(handle, gdb_bh);  in add_new_gdb_meta_bg()
972 		brelse(gdb_bh);  in add_new_gdb_meta_bg()
1223 	struct buffer_head *gdb_bh;  in ext4_add_new_descs()  local
1242 			gdb_bh = sbi_array_rcu_deref(sbi, s_group_desc,  in ext4_add_new_descs()
1244 			BUFFER_TRACE(gdb_bh, "get_write_access");  in ext4_add_new_descs()
1245 			err = ext4_journal_get_write_access(handle, gdb_bh);  in ext4_add_new_descs()
1310 	struct buffer_head		*gdb_bh;  in ext4_setup_new_descs()  local
1325 		gdb_bh = sbi_array_rcu_deref(sbi, s_group_desc, gdb_num);  in ext4_setup_new_descs()
1327 		gdp = (struct ext4_group_desc *)(gdb_bh->b_data +  in ext4_setup_new_descs()
1349 		err = ext4_handle_dirty_metadata(handle, NULL, gdb_bh);  in ext4_setup_new_descs()
1557 			struct buffer_head *gdb_bh;  in ext4_flex_group_add()  local
1559 			gdb_bh = sbi_array_rcu_deref(sbi, s_group_desc,  in ext4_flex_group_add()
1561 			if (old_gdb == gdb_bh->b_blocknr)  in ext4_flex_group_add()
1563 			update_backups(sb, gdb_bh->b_blocknr, gdb_bh->b_data,  in ext4_flex_group_add()
1564 				       gdb_bh->b_size, meta_bg);  in ext4_flex_group_add()
1565 			old_gdb = gdb_bh->b_blocknr;  in ext4_flex_group_add()