3965 	struct buffer_head *bitmap_bh = NULL;  in ext4_mb_mark_diskspace_used()  local
3979 	bitmap_bh = ext4_read_block_bitmap(sb, ac->ac_b_ex.fe_group);  in ext4_mb_mark_diskspace_used()
3980 	if (IS_ERR(bitmap_bh)) {  in ext4_mb_mark_diskspace_used()
3981 		return PTR_ERR(bitmap_bh);  in ext4_mb_mark_diskspace_used()
3984 	BUFFER_TRACE(bitmap_bh, "getting write access");  in ext4_mb_mark_diskspace_used()
3985 	err = ext4_journal_get_write_access(handle, sb, bitmap_bh,  in ext4_mb_mark_diskspace_used()
4014 		mb_set_bits(bitmap_bh->b_data, ac->ac_b_ex.fe_start,  in ext4_mb_mark_diskspace_used()
4017 		err = ext4_handle_dirty_metadata(handle, NULL, bitmap_bh);  in ext4_mb_mark_diskspace_used()
4029 						bitmap_bh->b_data));  in ext4_mb_mark_diskspace_used()
4033 	mb_set_bits(bitmap_bh->b_data, ac->ac_b_ex.fe_start,  in ext4_mb_mark_diskspace_used()
4044 	ext4_block_bitmap_csum_set(sb, gdp, bitmap_bh);  in ext4_mb_mark_diskspace_used()
4065 	err = ext4_handle_dirty_metadata(handle, NULL, bitmap_bh);  in ext4_mb_mark_diskspace_used()
4071 	brelse(bitmap_bh);  in ext4_mb_mark_diskspace_used()
4082 	struct buffer_head *bitmap_bh = NULL;  in ext4_mb_mark_bb()  local
4111 			bitmap_bh = NULL;  in ext4_mb_mark_bb()
4115 		bitmap_bh = ext4_read_block_bitmap(sb, group);  in ext4_mb_mark_bb()
4116 		if (IS_ERR(bitmap_bh)) {  in ext4_mb_mark_bb()
4117 			err = PTR_ERR(bitmap_bh);  in ext4_mb_mark_bb()
4118 			bitmap_bh = NULL;  in ext4_mb_mark_bb()
4130 			if (!mb_test_bit(blkoff + i, bitmap_bh->b_data) ==  in ext4_mb_mark_bb()
4136 			mb_set_bits(bitmap_bh->b_data, blkoff, clen);  in ext4_mb_mark_bb()
4138 			mb_clear_bits(bitmap_bh->b_data, blkoff, clen);  in ext4_mb_mark_bb()
4151 		ext4_block_bitmap_csum_set(sb, gdp, bitmap_bh);  in ext4_mb_mark_bb()
4168 		err = ext4_handle_dirty_metadata(NULL, NULL, bitmap_bh);  in ext4_mb_mark_bb()
4171 		sync_dirty_buffer(bitmap_bh);  in ext4_mb_mark_bb()
4179 		brelse(bitmap_bh);  in ext4_mb_mark_bb()
4184 		brelse(bitmap_bh);  in ext4_mb_mark_bb()
5323 ext4_mb_release_inode_pa(struct ext4_buddy *e4b, struct buffer_head *bitmap_bh,  in ext4_mb_release_inode_pa()  argument
5342 		bit = mb_find_next_zero_bit(bitmap_bh->b_data, end, bit);  in ext4_mb_release_inode_pa()
5345 		next = mb_find_next_bit(bitmap_bh->b_data, end, bit);  in ext4_mb_release_inode_pa()
5413 	struct buffer_head *bitmap_bh = NULL;  in ext4_mb_discard_group_preallocations()  local
5427 	bitmap_bh = ext4_read_block_bitmap(sb, group);  in ext4_mb_discard_group_preallocations()
5428 	if (IS_ERR(bitmap_bh)) {  in ext4_mb_discard_group_preallocations()
5429 		err = PTR_ERR(bitmap_bh);  in ext4_mb_discard_group_preallocations()
5440 		put_bh(bitmap_bh);  in ext4_mb_discard_group_preallocations()
5494 			ext4_mb_release_inode_pa(&e4b, bitmap_bh, pa);  in ext4_mb_discard_group_preallocations()
5501 	put_bh(bitmap_bh);  in ext4_mb_discard_group_preallocations()
5521 	struct buffer_head *bitmap_bh = NULL;  in ext4_discard_preallocations()  local
5608 		bitmap_bh = ext4_read_block_bitmap(sb, group);  in ext4_discard_preallocations()
5609 		if (IS_ERR(bitmap_bh)) {  in ext4_discard_preallocations()
5610 			err = PTR_ERR(bitmap_bh);  in ext4_discard_preallocations()
5619 		ext4_mb_release_inode_pa(&e4b, bitmap_bh, pa);  in ext4_discard_preallocations()
5623 		put_bh(bitmap_bh);  in ext4_discard_preallocations()
6080 	struct buffer_head *bitmap_bh;  in ext4_mb_new_blocks_simple()  local
6098 		bitmap_bh = ext4_read_block_bitmap(sb, group);  in ext4_mb_new_blocks_simple()
6099 		if (IS_ERR(bitmap_bh)) {  in ext4_mb_new_blocks_simple()
6100 			*errp = PTR_ERR(bitmap_bh);  in ext4_mb_new_blocks_simple()
6106 			i = mb_find_next_zero_bit(bitmap_bh->b_data, max,  in ext4_mb_new_blocks_simple()
6117 		brelse(bitmap_bh);  in ext4_mb_new_blocks_simple()
6389 	struct buffer_head *bitmap_bh;  in ext4_free_blocks_simple()  local
6398 	bitmap_bh = ext4_read_block_bitmap(sb, group);  in ext4_free_blocks_simple()
6399 	if (IS_ERR(bitmap_bh)) {  in ext4_free_blocks_simple()
6408 		if (!mb_test_bit(blkoff + i, bitmap_bh->b_data))  in ext4_free_blocks_simple()
6411 	mb_clear_bits(bitmap_bh->b_data, blkoff, count);  in ext4_free_blocks_simple()
6412 	err = ext4_handle_dirty_metadata(NULL, NULL, bitmap_bh);  in ext4_free_blocks_simple()
6418 	ext4_block_bitmap_csum_set(sb, gdp, bitmap_bh);  in ext4_free_blocks_simple()
6421 	sync_dirty_buffer(bitmap_bh);  in ext4_free_blocks_simple()
6425 	brelse(bitmap_bh);  in ext4_free_blocks_simple()
6441 	struct buffer_head *bitmap_bh = NULL;  in ext4_mb_clear_bb()  local
6486 	bitmap_bh = ext4_read_block_bitmap(sb, block_group);  in ext4_mb_clear_bb()
6487 	if (IS_ERR(bitmap_bh)) {  in ext4_mb_clear_bb()
6488 		err = PTR_ERR(bitmap_bh);  in ext4_mb_clear_bb()
6489 		bitmap_bh = NULL;  in ext4_mb_clear_bb()
6506 	BUFFER_TRACE(bitmap_bh, "getting write access");  in ext4_mb_clear_bb()
6507 	err = ext4_journal_get_write_access(handle, sb, bitmap_bh,  in ext4_mb_clear_bb()
6525 			BUG_ON(!mb_test_bit(bit + i, bitmap_bh->b_data));  in ext4_mb_clear_bb()
6558 		mb_clear_bits(bitmap_bh->b_data, bit, count_clusters);  in ext4_mb_clear_bb()
6577 		mb_clear_bits(bitmap_bh->b_data, bit, count_clusters);  in ext4_mb_clear_bb()
6583 	ext4_block_bitmap_csum_set(sb, gdp, bitmap_bh);  in ext4_mb_clear_bb()
6609 	BUFFER_TRACE(bitmap_bh, "dirtied bitmap block");  in ext4_mb_clear_bb()
6610 	err = ext4_handle_dirty_metadata(handle, NULL, bitmap_bh);  in ext4_mb_clear_bb()
6621 		put_bh(bitmap_bh);  in ext4_mb_clear_bb()
6627 	brelse(bitmap_bh);  in ext4_mb_clear_bb()
6745 	struct buffer_head *bitmap_bh = NULL;  in ext4_group_add_blocks()  local
6776 	bitmap_bh = ext4_read_block_bitmap(sb, block_group);  in ext4_group_add_blocks()
6777 	if (IS_ERR(bitmap_bh)) {  in ext4_group_add_blocks()
6778 		err = PTR_ERR(bitmap_bh);  in ext4_group_add_blocks()
6779 		bitmap_bh = NULL;  in ext4_group_add_blocks()
6797 	BUFFER_TRACE(bitmap_bh, "getting write access");  in ext4_group_add_blocks()
6798 	err = ext4_journal_get_write_access(handle, sb, bitmap_bh,  in ext4_group_add_blocks()
6814 		BUFFER_TRACE(bitmap_bh, "clear bit");  in ext4_group_add_blocks()
6815 		if (!mb_test_bit(bit + i, bitmap_bh->b_data)) {  in ext4_group_add_blocks()
6818 			BUFFER_TRACE(bitmap_bh, "bit already cleared");  in ext4_group_add_blocks()
6834 	mb_clear_bits(bitmap_bh->b_data, bit, cluster_count);  in ext4_group_add_blocks()
6839 	ext4_block_bitmap_csum_set(sb, desc, bitmap_bh);  in ext4_group_add_blocks()
6855 	BUFFER_TRACE(bitmap_bh, "dirtied bitmap block");  in ext4_group_add_blocks()
6856 	err = ext4_handle_dirty_metadata(handle, NULL, bitmap_bh);  in ext4_group_add_blocks()
6865 	brelse(bitmap_bh);  in ext4_group_add_blocks()