2889 	struct buffer_head *bitmap_bh = NULL;  in ext4_mb_mark_diskspace_used()  local
2903 	bitmap_bh = ext4_read_block_bitmap(sb, ac->ac_b_ex.fe_group);  in ext4_mb_mark_diskspace_used()
2904 	if (IS_ERR(bitmap_bh)) {  in ext4_mb_mark_diskspace_used()
2905 		err = PTR_ERR(bitmap_bh);  in ext4_mb_mark_diskspace_used()
2906 		bitmap_bh = NULL;  in ext4_mb_mark_diskspace_used()
2910 	BUFFER_TRACE(bitmap_bh, "getting write access");  in ext4_mb_mark_diskspace_used()
2911 	err = ext4_journal_get_write_access(handle, bitmap_bh);  in ext4_mb_mark_diskspace_used()
2939 		ext4_set_bits(bitmap_bh->b_data, ac->ac_b_ex.fe_start,  in ext4_mb_mark_diskspace_used()
2942 		err = ext4_handle_dirty_metadata(handle, NULL, bitmap_bh);  in ext4_mb_mark_diskspace_used()
2954 						bitmap_bh->b_data));  in ext4_mb_mark_diskspace_used()
2958 	ext4_set_bits(bitmap_bh->b_data, ac->ac_b_ex.fe_start,  in ext4_mb_mark_diskspace_used()
2968 	ext4_block_bitmap_csum_set(sb, ac->ac_b_ex.fe_group, gdp, bitmap_bh);  in ext4_mb_mark_diskspace_used()
2988 	err = ext4_handle_dirty_metadata(handle, NULL, bitmap_bh);  in ext4_mb_mark_diskspace_used()
2994 	brelse(bitmap_bh);  in ext4_mb_mark_diskspace_used()
3751 ext4_mb_release_inode_pa(struct ext4_buddy *e4b, struct buffer_head *bitmap_bh,  in ext4_mb_release_inode_pa()  argument
3771 		bit = mb_find_next_zero_bit(bitmap_bh->b_data, end, bit);  in ext4_mb_release_inode_pa()
3774 		next = mb_find_next_bit(bitmap_bh->b_data, end, bit);  in ext4_mb_release_inode_pa()
3838 	struct buffer_head *bitmap_bh = NULL;  in ext4_mb_discard_group_preallocations()  local
3851 	bitmap_bh = ext4_read_block_bitmap(sb, group);  in ext4_mb_discard_group_preallocations()
3852 	if (IS_ERR(bitmap_bh)) {  in ext4_mb_discard_group_preallocations()
3853 		err = PTR_ERR(bitmap_bh);  in ext4_mb_discard_group_preallocations()
3862 		put_bh(bitmap_bh);  in ext4_mb_discard_group_preallocations()
3922 			ext4_mb_release_inode_pa(&e4b, bitmap_bh, pa);  in ext4_mb_discard_group_preallocations()
3931 	put_bh(bitmap_bh);  in ext4_mb_discard_group_preallocations()
3948 	struct buffer_head *bitmap_bh = NULL;  in ext4_discard_preallocations()  local
4025 		bitmap_bh = ext4_read_block_bitmap(sb, group);  in ext4_discard_preallocations()
4026 		if (IS_ERR(bitmap_bh)) {  in ext4_discard_preallocations()
4027 			err = PTR_ERR(bitmap_bh);  in ext4_discard_preallocations()
4036 		ext4_mb_release_inode_pa(&e4b, bitmap_bh, pa);  in ext4_discard_preallocations()
4040 		put_bh(bitmap_bh);  in ext4_discard_preallocations()
4662 	struct buffer_head *bitmap_bh = NULL;  in ext4_free_blocks()  local
4774 	bitmap_bh = ext4_read_block_bitmap(sb, block_group);  in ext4_free_blocks()
4775 	if (IS_ERR(bitmap_bh)) {  in ext4_free_blocks()
4776 		err = PTR_ERR(bitmap_bh);  in ext4_free_blocks()
4777 		bitmap_bh = NULL;  in ext4_free_blocks()
4799 	BUFFER_TRACE(bitmap_bh, "getting write access");  in ext4_free_blocks()
4800 	err = ext4_journal_get_write_access(handle, bitmap_bh);  in ext4_free_blocks()
4817 			BUG_ON(!mb_test_bit(bit + i, bitmap_bh->b_data));  in ext4_free_blocks()
4843 		mb_clear_bits(bitmap_bh->b_data, bit, count_clusters);  in ext4_free_blocks()
4861 		mb_clear_bits(bitmap_bh->b_data, bit, count_clusters);  in ext4_free_blocks()
4867 	ext4_block_bitmap_csum_set(sb, block_group, gdp, bitmap_bh);  in ext4_free_blocks()
4884 	BUFFER_TRACE(bitmap_bh, "dirtied bitmap block");  in ext4_free_blocks()
4885 	err = ext4_handle_dirty_metadata(handle, NULL, bitmap_bh);  in ext4_free_blocks()
4896 		put_bh(bitmap_bh);  in ext4_free_blocks()
4900 	brelse(bitmap_bh);  in ext4_free_blocks()
4917 	struct buffer_head *bitmap_bh = NULL;  in ext4_group_add_blocks()  local
4945 	bitmap_bh = ext4_read_block_bitmap(sb, block_group);  in ext4_group_add_blocks()
4946 	if (IS_ERR(bitmap_bh)) {  in ext4_group_add_blocks()
4947 		err = PTR_ERR(bitmap_bh);  in ext4_group_add_blocks()
4948 		bitmap_bh = NULL;  in ext4_group_add_blocks()
4970 	BUFFER_TRACE(bitmap_bh, "getting write access");  in ext4_group_add_blocks()
4971 	err = ext4_journal_get_write_access(handle, bitmap_bh);  in ext4_group_add_blocks()
4986 		BUFFER_TRACE(bitmap_bh, "clear bit");  in ext4_group_add_blocks()
4987 		if (!mb_test_bit(bit + i, bitmap_bh->b_data)) {  in ext4_group_add_blocks()
4990 			BUFFER_TRACE(bitmap_bh, "bit already cleared");  in ext4_group_add_blocks()
5006 	mb_clear_bits(bitmap_bh->b_data, bit, count);  in ext4_group_add_blocks()
5010 	ext4_block_bitmap_csum_set(sb, block_group, desc, bitmap_bh);  in ext4_group_add_blocks()
5025 	BUFFER_TRACE(bitmap_bh, "dirtied bitmap block");  in ext4_group_add_blocks()
5026 	err = ext4_handle_dirty_metadata(handle, NULL, bitmap_bh);  in ext4_group_add_blocks()
5035 	brelse(bitmap_bh);  in ext4_group_add_blocks()