3199 	struct buffer_head *bitmap_bh = NULL;  in ext4_mb_mark_diskspace_used()  local
3213 	bitmap_bh = ext4_read_block_bitmap(sb, ac->ac_b_ex.fe_group);  in ext4_mb_mark_diskspace_used()
3214 	if (IS_ERR(bitmap_bh)) {  in ext4_mb_mark_diskspace_used()
3215 		err = PTR_ERR(bitmap_bh);  in ext4_mb_mark_diskspace_used()
3216 		bitmap_bh = NULL;  in ext4_mb_mark_diskspace_used()
3220 	BUFFER_TRACE(bitmap_bh, "getting write access");  in ext4_mb_mark_diskspace_used()
3221 	err = ext4_journal_get_write_access(handle, bitmap_bh);  in ext4_mb_mark_diskspace_used()
3249 		ext4_set_bits(bitmap_bh->b_data, ac->ac_b_ex.fe_start,  in ext4_mb_mark_diskspace_used()
3252 		err = ext4_handle_dirty_metadata(handle, NULL, bitmap_bh);  in ext4_mb_mark_diskspace_used()
3264 						bitmap_bh->b_data));  in ext4_mb_mark_diskspace_used()
3268 	ext4_set_bits(bitmap_bh->b_data, ac->ac_b_ex.fe_start,  in ext4_mb_mark_diskspace_used()
3279 	ext4_block_bitmap_csum_set(sb, ac->ac_b_ex.fe_group, gdp, bitmap_bh);  in ext4_mb_mark_diskspace_used()
3300 	err = ext4_handle_dirty_metadata(handle, NULL, bitmap_bh);  in ext4_mb_mark_diskspace_used()
3306 	brelse(bitmap_bh);  in ext4_mb_mark_diskspace_used()
3317 	struct buffer_head *bitmap_bh = NULL;  in ext4_mb_mark_bb()  local
3342 		bitmap_bh = ext4_read_block_bitmap(sb, group);  in ext4_mb_mark_bb()
3343 		if (IS_ERR(bitmap_bh)) {  in ext4_mb_mark_bb()
3344 			err = PTR_ERR(bitmap_bh);  in ext4_mb_mark_bb()
3345 			bitmap_bh = NULL;  in ext4_mb_mark_bb()
3357 			if (!mb_test_bit(blkoff + i, bitmap_bh->b_data) ==  in ext4_mb_mark_bb()
3363 			ext4_set_bits(bitmap_bh->b_data, blkoff, clen);  in ext4_mb_mark_bb()
3365 			mb_test_and_clear_bits(bitmap_bh->b_data, blkoff, clen);  in ext4_mb_mark_bb()
3378 		ext4_block_bitmap_csum_set(sb, group, gdp, bitmap_bh);  in ext4_mb_mark_bb()
3395 		err = ext4_handle_dirty_metadata(NULL, NULL, bitmap_bh);  in ext4_mb_mark_bb()
3398 		sync_dirty_buffer(bitmap_bh);  in ext4_mb_mark_bb()
3406 		brelse(bitmap_bh);  in ext4_mb_mark_bb()
3411 		brelse(bitmap_bh);  in ext4_mb_mark_bb()
4189 ext4_mb_release_inode_pa(struct ext4_buddy *e4b, struct buffer_head *bitmap_bh,  in ext4_mb_release_inode_pa()  argument
4208 		bit = mb_find_next_zero_bit(bitmap_bh->b_data, end, bit);  in ext4_mb_release_inode_pa()
4211 		next = mb_find_next_bit(bitmap_bh->b_data, end, bit);  in ext4_mb_release_inode_pa()
4275 	struct buffer_head *bitmap_bh = NULL;  in ext4_mb_discard_group_preallocations()  local
4286 	bitmap_bh = ext4_read_block_bitmap(sb, group);  in ext4_mb_discard_group_preallocations()
4287 	if (IS_ERR(bitmap_bh)) {  in ext4_mb_discard_group_preallocations()
4288 		err = PTR_ERR(bitmap_bh);  in ext4_mb_discard_group_preallocations()
4299 		put_bh(bitmap_bh);  in ext4_mb_discard_group_preallocations()
4344 			ext4_mb_release_inode_pa(&e4b, bitmap_bh, pa);  in ext4_mb_discard_group_preallocations()
4352 	put_bh(bitmap_bh);  in ext4_mb_discard_group_preallocations()
4372 	struct buffer_head *bitmap_bh = NULL;  in ext4_discard_preallocations()  local
4459 		bitmap_bh = ext4_read_block_bitmap(sb, group);  in ext4_discard_preallocations()
4460 		if (IS_ERR(bitmap_bh)) {  in ext4_discard_preallocations()
4461 			err = PTR_ERR(bitmap_bh);  in ext4_discard_preallocations()
4470 		ext4_mb_release_inode_pa(&e4b, bitmap_bh, pa);  in ext4_discard_preallocations()
4474 		put_bh(bitmap_bh);  in ext4_discard_preallocations()
5209 	struct buffer_head *bitmap_bh;  in ext4_mb_new_blocks_simple()  local
5226 		bitmap_bh = ext4_read_block_bitmap(sb, group);  in ext4_mb_new_blocks_simple()
5227 		if (IS_ERR(bitmap_bh)) {  in ext4_mb_new_blocks_simple()
5228 			*errp = PTR_ERR(bitmap_bh);  in ext4_mb_new_blocks_simple()
5237 			i = mb_find_next_zero_bit(bitmap_bh->b_data, max,  in ext4_mb_new_blocks_simple()
5247 		brelse(bitmap_bh);  in ext4_mb_new_blocks_simple()
5267 	struct buffer_head *bitmap_bh;  in ext4_free_blocks_simple()  local
5276 	bitmap_bh = ext4_read_block_bitmap(sb, group);  in ext4_free_blocks_simple()
5277 	if (IS_ERR(bitmap_bh)) {  in ext4_free_blocks_simple()
5278 		err = PTR_ERR(bitmap_bh);  in ext4_free_blocks_simple()
5287 		if (!mb_test_bit(blkoff + i, bitmap_bh->b_data))  in ext4_free_blocks_simple()
5290 	mb_clear_bits(bitmap_bh->b_data, blkoff, count);  in ext4_free_blocks_simple()
5291 	err = ext4_handle_dirty_metadata(NULL, NULL, bitmap_bh);  in ext4_free_blocks_simple()
5297 	ext4_block_bitmap_csum_set(sb, group, gdp, bitmap_bh);  in ext4_free_blocks_simple()
5300 	sync_dirty_buffer(bitmap_bh);  in ext4_free_blocks_simple()
5302 	brelse(bitmap_bh);  in ext4_free_blocks_simple()
5318 	struct buffer_head *bitmap_bh = NULL;  in ext4_free_blocks()  local
5425 	bitmap_bh = ext4_read_block_bitmap(sb, block_group);  in ext4_free_blocks()
5426 	if (IS_ERR(bitmap_bh)) {  in ext4_free_blocks()
5427 		err = PTR_ERR(bitmap_bh);  in ext4_free_blocks()
5428 		bitmap_bh = NULL;  in ext4_free_blocks()
5450 	BUFFER_TRACE(bitmap_bh, "getting write access");  in ext4_free_blocks()
5451 	err = ext4_journal_get_write_access(handle, bitmap_bh);  in ext4_free_blocks()
5468 			BUG_ON(!mb_test_bit(bit + i, bitmap_bh->b_data));  in ext4_free_blocks()
5501 		mb_clear_bits(bitmap_bh->b_data, bit, count_clusters);  in ext4_free_blocks()
5520 		mb_clear_bits(bitmap_bh->b_data, bit, count_clusters);  in ext4_free_blocks()
5526 	ext4_block_bitmap_csum_set(sb, block_group, gdp, bitmap_bh);  in ext4_free_blocks()
5552 	BUFFER_TRACE(bitmap_bh, "dirtied bitmap block");  in ext4_free_blocks()
5553 	err = ext4_handle_dirty_metadata(handle, NULL, bitmap_bh);  in ext4_free_blocks()
5564 		put_bh(bitmap_bh);  in ext4_free_blocks()
5568 	brelse(bitmap_bh);  in ext4_free_blocks()
5585 	struct buffer_head *bitmap_bh = NULL;  in ext4_group_add_blocks()  local
5616 	bitmap_bh = ext4_read_block_bitmap(sb, block_group);  in ext4_group_add_blocks()
5617 	if (IS_ERR(bitmap_bh)) {  in ext4_group_add_blocks()
5618 		err = PTR_ERR(bitmap_bh);  in ext4_group_add_blocks()
5619 		bitmap_bh = NULL;  in ext4_group_add_blocks()
5641 	BUFFER_TRACE(bitmap_bh, "getting write access");  in ext4_group_add_blocks()
5642 	err = ext4_journal_get_write_access(handle, bitmap_bh);  in ext4_group_add_blocks()
5657 		BUFFER_TRACE(bitmap_bh, "clear bit");  in ext4_group_add_blocks()
5658 		if (!mb_test_bit(bit + i, bitmap_bh->b_data)) {  in ext4_group_add_blocks()
5661 			BUFFER_TRACE(bitmap_bh, "bit already cleared");  in ext4_group_add_blocks()
5677 	mb_clear_bits(bitmap_bh->b_data, bit, cluster_count);  in ext4_group_add_blocks()
5682 	ext4_block_bitmap_csum_set(sb, block_group, desc, bitmap_bh);  in ext4_group_add_blocks()
5698 	BUFFER_TRACE(bitmap_bh, "dirtied bitmap block");  in ext4_group_add_blocks()
5699 	err = ext4_handle_dirty_metadata(handle, NULL, bitmap_bh);  in ext4_group_add_blocks()
5708 	brelse(bitmap_bh);  in ext4_group_add_blocks()