2924 	struct buffer_head *bitmap_bh = NULL;  in ext4_mb_mark_diskspace_used()  local
2938 	bitmap_bh = ext4_read_block_bitmap(sb, ac->ac_b_ex.fe_group);  in ext4_mb_mark_diskspace_used()
2939 	if (IS_ERR(bitmap_bh)) {  in ext4_mb_mark_diskspace_used()
2940 		err = PTR_ERR(bitmap_bh);  in ext4_mb_mark_diskspace_used()
2941 		bitmap_bh = NULL;  in ext4_mb_mark_diskspace_used()
2945 	BUFFER_TRACE(bitmap_bh, "getting write access");  in ext4_mb_mark_diskspace_used()
2946 	err = ext4_journal_get_write_access(handle, bitmap_bh);  in ext4_mb_mark_diskspace_used()
2974 		ext4_set_bits(bitmap_bh->b_data, ac->ac_b_ex.fe_start,  in ext4_mb_mark_diskspace_used()
2977 		err = ext4_handle_dirty_metadata(handle, NULL, bitmap_bh);  in ext4_mb_mark_diskspace_used()
2989 						bitmap_bh->b_data));  in ext4_mb_mark_diskspace_used()
2993 	ext4_set_bits(bitmap_bh->b_data, ac->ac_b_ex.fe_start,  in ext4_mb_mark_diskspace_used()
3004 	ext4_block_bitmap_csum_set(sb, ac->ac_b_ex.fe_group, gdp, bitmap_bh);  in ext4_mb_mark_diskspace_used()
3024 	err = ext4_handle_dirty_metadata(handle, NULL, bitmap_bh);  in ext4_mb_mark_diskspace_used()
3030 	brelse(bitmap_bh);  in ext4_mb_mark_diskspace_used()
3794 ext4_mb_release_inode_pa(struct ext4_buddy *e4b, struct buffer_head *bitmap_bh,  in ext4_mb_release_inode_pa()  argument
3813 		bit = mb_find_next_zero_bit(bitmap_bh->b_data, end, bit);  in ext4_mb_release_inode_pa()
3816 		next = mb_find_next_bit(bitmap_bh->b_data, end, bit);  in ext4_mb_release_inode_pa()
3880 	struct buffer_head *bitmap_bh = NULL;  in ext4_mb_discard_group_preallocations()  local
3893 	bitmap_bh = ext4_read_block_bitmap(sb, group);  in ext4_mb_discard_group_preallocations()
3894 	if (IS_ERR(bitmap_bh)) {  in ext4_mb_discard_group_preallocations()
3895 		err = PTR_ERR(bitmap_bh);  in ext4_mb_discard_group_preallocations()
3905 		put_bh(bitmap_bh);  in ext4_mb_discard_group_preallocations()
3965 			ext4_mb_release_inode_pa(&e4b, bitmap_bh, pa);  in ext4_mb_discard_group_preallocations()
3974 	put_bh(bitmap_bh);  in ext4_mb_discard_group_preallocations()
3991 	struct buffer_head *bitmap_bh = NULL;  in ext4_discard_preallocations()  local
4069 		bitmap_bh = ext4_read_block_bitmap(sb, group);  in ext4_discard_preallocations()
4070 		if (IS_ERR(bitmap_bh)) {  in ext4_discard_preallocations()
4071 			err = PTR_ERR(bitmap_bh);  in ext4_discard_preallocations()
4080 		ext4_mb_release_inode_pa(&e4b, bitmap_bh, pa);  in ext4_discard_preallocations()
4084 		put_bh(bitmap_bh);  in ext4_discard_preallocations()
4706 	struct buffer_head *bitmap_bh = NULL;  in ext4_free_blocks()  local
4807 	bitmap_bh = ext4_read_block_bitmap(sb, block_group);  in ext4_free_blocks()
4808 	if (IS_ERR(bitmap_bh)) {  in ext4_free_blocks()
4809 		err = PTR_ERR(bitmap_bh);  in ext4_free_blocks()
4810 		bitmap_bh = NULL;  in ext4_free_blocks()
4832 	BUFFER_TRACE(bitmap_bh, "getting write access");  in ext4_free_blocks()
4833 	err = ext4_journal_get_write_access(handle, bitmap_bh);  in ext4_free_blocks()
4850 			BUG_ON(!mb_test_bit(bit + i, bitmap_bh->b_data));  in ext4_free_blocks()
4883 		mb_clear_bits(bitmap_bh->b_data, bit, count_clusters);  in ext4_free_blocks()
4902 		mb_clear_bits(bitmap_bh->b_data, bit, count_clusters);  in ext4_free_blocks()
4908 	ext4_block_bitmap_csum_set(sb, block_group, gdp, bitmap_bh);  in ext4_free_blocks()
4925 	BUFFER_TRACE(bitmap_bh, "dirtied bitmap block");  in ext4_free_blocks()
4926 	err = ext4_handle_dirty_metadata(handle, NULL, bitmap_bh);  in ext4_free_blocks()
4937 		put_bh(bitmap_bh);  in ext4_free_blocks()
4941 	brelse(bitmap_bh);  in ext4_free_blocks()
4958 	struct buffer_head *bitmap_bh = NULL;  in ext4_group_add_blocks()  local
4989 	bitmap_bh = ext4_read_block_bitmap(sb, block_group);  in ext4_group_add_blocks()
4990 	if (IS_ERR(bitmap_bh)) {  in ext4_group_add_blocks()
4991 		err = PTR_ERR(bitmap_bh);  in ext4_group_add_blocks()
4992 		bitmap_bh = NULL;  in ext4_group_add_blocks()
5014 	BUFFER_TRACE(bitmap_bh, "getting write access");  in ext4_group_add_blocks()
5015 	err = ext4_journal_get_write_access(handle, bitmap_bh);  in ext4_group_add_blocks()
5030 		BUFFER_TRACE(bitmap_bh, "clear bit");  in ext4_group_add_blocks()
5031 		if (!mb_test_bit(bit + i, bitmap_bh->b_data)) {  in ext4_group_add_blocks()
5034 			BUFFER_TRACE(bitmap_bh, "bit already cleared");  in ext4_group_add_blocks()
5050 	mb_clear_bits(bitmap_bh->b_data, bit, cluster_count);  in ext4_group_add_blocks()
5055 	ext4_block_bitmap_csum_set(sb, block_group, desc, bitmap_bh);  in ext4_group_add_blocks()
5070 	BUFFER_TRACE(bitmap_bh, "dirtied bitmap block");  in ext4_group_add_blocks()
5071 	err = ext4_handle_dirty_metadata(handle, NULL, bitmap_bh);  in ext4_group_add_blocks()
5080 	brelse(bitmap_bh);  in ext4_group_add_blocks()