2873 	struct buffer_head *bitmap_bh = NULL;  in ext4_mb_mark_diskspace_used()  local
2888 	bitmap_bh = ext4_read_block_bitmap(sb, ac->ac_b_ex.fe_group);  in ext4_mb_mark_diskspace_used()
2889 	if (!bitmap_bh)  in ext4_mb_mark_diskspace_used()
2892 	BUFFER_TRACE(bitmap_bh, "getting write access");  in ext4_mb_mark_diskspace_used()
2893 	err = ext4_journal_get_write_access(handle, bitmap_bh);  in ext4_mb_mark_diskspace_used()
2921 		ext4_set_bits(bitmap_bh->b_data, ac->ac_b_ex.fe_start,  in ext4_mb_mark_diskspace_used()
2924 		err = ext4_handle_dirty_metadata(handle, NULL, bitmap_bh);  in ext4_mb_mark_diskspace_used()
2936 						bitmap_bh->b_data));  in ext4_mb_mark_diskspace_used()
2940 	ext4_set_bits(bitmap_bh->b_data, ac->ac_b_ex.fe_start,  in ext4_mb_mark_diskspace_used()
2950 	ext4_block_bitmap_csum_set(sb, ac->ac_b_ex.fe_group, gdp, bitmap_bh);  in ext4_mb_mark_diskspace_used()
2970 	err = ext4_handle_dirty_metadata(handle, NULL, bitmap_bh);  in ext4_mb_mark_diskspace_used()
2976 	brelse(bitmap_bh);  in ext4_mb_mark_diskspace_used()
3733 ext4_mb_release_inode_pa(struct ext4_buddy *e4b, struct buffer_head *bitmap_bh,  in ext4_mb_release_inode_pa()  argument
3753 		bit = mb_find_next_zero_bit(bitmap_bh->b_data, end, bit);  in ext4_mb_release_inode_pa()
3756 		next = mb_find_next_bit(bitmap_bh->b_data, end, bit);  in ext4_mb_release_inode_pa()
3820 	struct buffer_head *bitmap_bh = NULL;  in ext4_mb_discard_group_preallocations()  local
3833 	bitmap_bh = ext4_read_block_bitmap(sb, group);  in ext4_mb_discard_group_preallocations()
3834 	if (bitmap_bh == NULL) {  in ext4_mb_discard_group_preallocations()
3842 		put_bh(bitmap_bh);  in ext4_mb_discard_group_preallocations()
3902 			ext4_mb_release_inode_pa(&e4b, bitmap_bh, pa);  in ext4_mb_discard_group_preallocations()
3911 	put_bh(bitmap_bh);  in ext4_mb_discard_group_preallocations()
3928 	struct buffer_head *bitmap_bh = NULL;  in ext4_discard_preallocations()  local
4005 		bitmap_bh = ext4_read_block_bitmap(sb, group);  in ext4_discard_preallocations()
4006 		if (bitmap_bh == NULL) {  in ext4_discard_preallocations()
4015 		ext4_mb_release_inode_pa(&e4b, bitmap_bh, pa);  in ext4_discard_preallocations()
4019 		put_bh(bitmap_bh);  in ext4_discard_preallocations()
4641 	struct buffer_head *bitmap_bh = NULL;  in ext4_free_blocks()  local
4751 	bitmap_bh = ext4_read_block_bitmap(sb, block_group);  in ext4_free_blocks()
4752 	if (!bitmap_bh) {  in ext4_free_blocks()
4775 	BUFFER_TRACE(bitmap_bh, "getting write access");  in ext4_free_blocks()
4776 	err = ext4_journal_get_write_access(handle, bitmap_bh);  in ext4_free_blocks()
4793 			BUG_ON(!mb_test_bit(bit + i, bitmap_bh->b_data));  in ext4_free_blocks()
4819 		mb_clear_bits(bitmap_bh->b_data, bit, count_clusters);  in ext4_free_blocks()
4837 		mb_clear_bits(bitmap_bh->b_data, bit, count_clusters);  in ext4_free_blocks()
4843 	ext4_block_bitmap_csum_set(sb, block_group, gdp, bitmap_bh);  in ext4_free_blocks()
4860 	BUFFER_TRACE(bitmap_bh, "dirtied bitmap block");  in ext4_free_blocks()
4861 	err = ext4_handle_dirty_metadata(handle, NULL, bitmap_bh);  in ext4_free_blocks()
4872 		put_bh(bitmap_bh);  in ext4_free_blocks()
4876 	brelse(bitmap_bh);  in ext4_free_blocks()
4893 	struct buffer_head *bitmap_bh = NULL;  in ext4_group_add_blocks()  local
4921 	bitmap_bh = ext4_read_block_bitmap(sb, block_group);  in ext4_group_add_blocks()
4922 	if (!bitmap_bh) {  in ext4_group_add_blocks()
4945 	BUFFER_TRACE(bitmap_bh, "getting write access");  in ext4_group_add_blocks()
4946 	err = ext4_journal_get_write_access(handle, bitmap_bh);  in ext4_group_add_blocks()
4961 		BUFFER_TRACE(bitmap_bh, "clear bit");  in ext4_group_add_blocks()
4962 		if (!mb_test_bit(bit + i, bitmap_bh->b_data)) {  in ext4_group_add_blocks()
4965 			BUFFER_TRACE(bitmap_bh, "bit already cleared");  in ext4_group_add_blocks()
4981 	mb_clear_bits(bitmap_bh->b_data, bit, count);  in ext4_group_add_blocks()
4985 	ext4_block_bitmap_csum_set(sb, block_group, desc, bitmap_bh);  in ext4_group_add_blocks()
5000 	BUFFER_TRACE(bitmap_bh, "dirtied bitmap block");  in ext4_group_add_blocks()
5001 	err = ext4_handle_dirty_metadata(handle, NULL, bitmap_bh);  in ext4_group_add_blocks()
5010 	brelse(bitmap_bh);  in ext4_group_add_blocks()