2976 	struct buffer_head *bitmap_bh = NULL;  in ext4_mb_mark_diskspace_used()  local
2990 	bitmap_bh = ext4_read_block_bitmap(sb, ac->ac_b_ex.fe_group);  in ext4_mb_mark_diskspace_used()
2991 	if (IS_ERR(bitmap_bh)) {  in ext4_mb_mark_diskspace_used()
2992 		err = PTR_ERR(bitmap_bh);  in ext4_mb_mark_diskspace_used()
2993 		bitmap_bh = NULL;  in ext4_mb_mark_diskspace_used()
2997 	BUFFER_TRACE(bitmap_bh, "getting write access");  in ext4_mb_mark_diskspace_used()
2998 	err = ext4_journal_get_write_access(handle, bitmap_bh);  in ext4_mb_mark_diskspace_used()
3026 		ext4_set_bits(bitmap_bh->b_data, ac->ac_b_ex.fe_start,  in ext4_mb_mark_diskspace_used()
3029 		err = ext4_handle_dirty_metadata(handle, NULL, bitmap_bh);  in ext4_mb_mark_diskspace_used()
3041 						bitmap_bh->b_data));  in ext4_mb_mark_diskspace_used()
3045 	ext4_set_bits(bitmap_bh->b_data, ac->ac_b_ex.fe_start,  in ext4_mb_mark_diskspace_used()
3056 	ext4_block_bitmap_csum_set(sb, ac->ac_b_ex.fe_group, gdp, bitmap_bh);  in ext4_mb_mark_diskspace_used()
3077 	err = ext4_handle_dirty_metadata(handle, NULL, bitmap_bh);  in ext4_mb_mark_diskspace_used()
3083 	brelse(bitmap_bh);  in ext4_mb_mark_diskspace_used()
3847 ext4_mb_release_inode_pa(struct ext4_buddy *e4b, struct buffer_head *bitmap_bh,  in ext4_mb_release_inode_pa()  argument
3867 		bit = mb_find_next_zero_bit(bitmap_bh->b_data, end, bit);  in ext4_mb_release_inode_pa()
3870 		next = mb_find_next_bit(bitmap_bh->b_data, end, bit);  in ext4_mb_release_inode_pa()
3934 	struct buffer_head *bitmap_bh = NULL;  in ext4_mb_discard_group_preallocations()  local
3947 	bitmap_bh = ext4_read_block_bitmap(sb, group);  in ext4_mb_discard_group_preallocations()
3948 	if (IS_ERR(bitmap_bh)) {  in ext4_mb_discard_group_preallocations()
3949 		err = PTR_ERR(bitmap_bh);  in ext4_mb_discard_group_preallocations()
3959 		put_bh(bitmap_bh);  in ext4_mb_discard_group_preallocations()
4019 			ext4_mb_release_inode_pa(&e4b, bitmap_bh, pa);  in ext4_mb_discard_group_preallocations()
4028 	put_bh(bitmap_bh);  in ext4_mb_discard_group_preallocations()
4045 	struct buffer_head *bitmap_bh = NULL;  in ext4_discard_preallocations()  local
4123 		bitmap_bh = ext4_read_block_bitmap(sb, group);  in ext4_discard_preallocations()
4124 		if (IS_ERR(bitmap_bh)) {  in ext4_discard_preallocations()
4125 			err = PTR_ERR(bitmap_bh);  in ext4_discard_preallocations()
4134 		ext4_mb_release_inode_pa(&e4b, bitmap_bh, pa);  in ext4_discard_preallocations()
4138 		put_bh(bitmap_bh);  in ext4_discard_preallocations()
4760 	struct buffer_head *bitmap_bh = NULL;  in ext4_free_blocks()  local
4861 	bitmap_bh = ext4_read_block_bitmap(sb, block_group);  in ext4_free_blocks()
4862 	if (IS_ERR(bitmap_bh)) {  in ext4_free_blocks()
4863 		err = PTR_ERR(bitmap_bh);  in ext4_free_blocks()
4864 		bitmap_bh = NULL;  in ext4_free_blocks()
4886 	BUFFER_TRACE(bitmap_bh, "getting write access");  in ext4_free_blocks()
4887 	err = ext4_journal_get_write_access(handle, bitmap_bh);  in ext4_free_blocks()
4904 			BUG_ON(!mb_test_bit(bit + i, bitmap_bh->b_data));  in ext4_free_blocks()
4937 		mb_clear_bits(bitmap_bh->b_data, bit, count_clusters);  in ext4_free_blocks()
4956 		mb_clear_bits(bitmap_bh->b_data, bit, count_clusters);  in ext4_free_blocks()
4962 	ext4_block_bitmap_csum_set(sb, block_group, gdp, bitmap_bh);  in ext4_free_blocks()
4980 	BUFFER_TRACE(bitmap_bh, "dirtied bitmap block");  in ext4_free_blocks()
4981 	err = ext4_handle_dirty_metadata(handle, NULL, bitmap_bh);  in ext4_free_blocks()
4992 		put_bh(bitmap_bh);  in ext4_free_blocks()
4996 	brelse(bitmap_bh);  in ext4_free_blocks()
5013 	struct buffer_head *bitmap_bh = NULL;  in ext4_group_add_blocks()  local
5041 	bitmap_bh = ext4_read_block_bitmap(sb, block_group);  in ext4_group_add_blocks()
5042 	if (IS_ERR(bitmap_bh)) {  in ext4_group_add_blocks()
5043 		err = PTR_ERR(bitmap_bh);  in ext4_group_add_blocks()
5044 		bitmap_bh = NULL;  in ext4_group_add_blocks()
5066 	BUFFER_TRACE(bitmap_bh, "getting write access");  in ext4_group_add_blocks()
5067 	err = ext4_journal_get_write_access(handle, bitmap_bh);  in ext4_group_add_blocks()
5082 		BUFFER_TRACE(bitmap_bh, "clear bit");  in ext4_group_add_blocks()
5083 		if (!mb_test_bit(bit + i, bitmap_bh->b_data)) {  in ext4_group_add_blocks()
5086 			BUFFER_TRACE(bitmap_bh, "bit already cleared");  in ext4_group_add_blocks()
5102 	mb_clear_bits(bitmap_bh->b_data, bit, count);  in ext4_group_add_blocks()
5106 	ext4_block_bitmap_csum_set(sb, block_group, desc, bitmap_bh);  in ext4_group_add_blocks()
5122 	BUFFER_TRACE(bitmap_bh, "dirtied bitmap block");  in ext4_group_add_blocks()
5123 	err = ext4_handle_dirty_metadata(handle, NULL, bitmap_bh);  in ext4_group_add_blocks()
5132 	brelse(bitmap_bh);  in ext4_group_add_blocks()