805 	struct buffer_head *gdb_bh = NULL;  in add_new_gdb()  local
816 	gdb_bh = ext4_sb_bread(sb, gdblock, 0);  in add_new_gdb()
817 	if (IS_ERR(gdb_bh))  in add_new_gdb()
818 		return PTR_ERR(gdb_bh);  in add_new_gdb()
820 	gdbackups = verify_reserved_gdb(sb, group, gdb_bh);  in add_new_gdb()
848 	BUFFER_TRACE(gdb_bh, "get_write_access");  in add_new_gdb()
849 	err = ext4_journal_get_write_access(handle, sb, gdb_bh, EXT4_JTR_NONE);  in add_new_gdb()
892 	memset(gdb_bh->b_data, 0, sb->s_blocksize);  in add_new_gdb()
893 	err = ext4_handle_dirty_metadata(handle, NULL, gdb_bh);  in add_new_gdb()
906 	n_group_desc[gdb_num] = gdb_bh;  in add_new_gdb()
923 	brelse(gdb_bh);  in add_new_gdb()
935 	struct buffer_head *gdb_bh;  in add_new_gdb_meta_bg()  local
942 	gdb_bh = ext4_sb_bread(sb, gdblock, 0);  in add_new_gdb_meta_bg()
943 	if (IS_ERR(gdb_bh))  in add_new_gdb_meta_bg()
944 		return PTR_ERR(gdb_bh);  in add_new_gdb_meta_bg()
948 		brelse(gdb_bh);  in add_new_gdb_meta_bg()
960 	n_group_desc[gdb_num] = gdb_bh;  in add_new_gdb_meta_bg()
962 	BUFFER_TRACE(gdb_bh, "get_write_access");  in add_new_gdb_meta_bg()
963 	err = ext4_journal_get_write_access(handle, sb, gdb_bh, EXT4_JTR_NONE);  in add_new_gdb_meta_bg()
966 		brelse(gdb_bh);  in add_new_gdb_meta_bg()
1217 	struct buffer_head *gdb_bh;  in ext4_add_new_descs()  local
1236 			gdb_bh = sbi_array_rcu_deref(sbi, s_group_desc,  in ext4_add_new_descs()
1238 			BUFFER_TRACE(gdb_bh, "get_write_access");  in ext4_add_new_descs()
1239 			err = ext4_journal_get_write_access(handle, sb, gdb_bh,  in ext4_add_new_descs()
1305 	struct buffer_head		*gdb_bh;  in ext4_setup_new_descs()  local
1320 		gdb_bh = sbi_array_rcu_deref(sbi, s_group_desc, gdb_num);  in ext4_setup_new_descs()
1322 		gdp = (struct ext4_group_desc *)(gdb_bh->b_data +  in ext4_setup_new_descs()
1344 		err = ext4_handle_dirty_metadata(handle, NULL, gdb_bh);  in ext4_setup_new_descs()
1552 			struct buffer_head *gdb_bh;  in ext4_flex_group_add()  local
1554 			gdb_bh = sbi_array_rcu_deref(sbi, s_group_desc,  in ext4_flex_group_add()
1556 			if (old_gdb == gdb_bh->b_blocknr)  in ext4_flex_group_add()
1558 			update_backups(sb, gdb_bh->b_blocknr, gdb_bh->b_data,  in ext4_flex_group_add()
1559 				       gdb_bh->b_size, meta_bg);  in ext4_flex_group_add()
1560 			old_gdb = gdb_bh->b_blocknr;  in ext4_flex_group_add()