240 	struct buffer_head *bitmap_bh = NULL;  in ext4_free_inode()  local
287 	bitmap_bh = ext4_read_inode_bitmap(sb, block_group);  in ext4_free_inode()
289 	if (IS_ERR(bitmap_bh)) {  in ext4_free_inode()
290 		fatal = PTR_ERR(bitmap_bh);  in ext4_free_inode()
291 		bitmap_bh = NULL;  in ext4_free_inode()
302 	BUFFER_TRACE(bitmap_bh, "get_write_access");  in ext4_free_inode()
303 	fatal = ext4_journal_get_write_access(handle, bitmap_bh);  in ext4_free_inode()
314 	cleared = ext4_test_and_clear_bit(bit, bitmap_bh->b_data);  in ext4_free_inode()
327 	ext4_inode_bitmap_csum_set(sb, block_group, gdp, bitmap_bh,  in ext4_free_inode()
346 		BUFFER_TRACE(bitmap_bh, "call ext4_handle_dirty_metadata");  in ext4_free_inode()
347 		err = ext4_handle_dirty_metadata(handle, NULL, bitmap_bh);  in ext4_free_inode()
357 	brelse(bitmap_bh);  in ext4_free_inode()
1365 	struct buffer_head *bitmap_bh = NULL;  in ext4_orphan_get()  local
1374 	bitmap_bh = ext4_read_inode_bitmap(sb, block_group);  in ext4_orphan_get()
1375 	if (IS_ERR(bitmap_bh))  in ext4_orphan_get()
1376 		return ERR_CAST(bitmap_bh);  in ext4_orphan_get()
1382 	if (!ext4_test_bit(bit, bitmap_bh->b_data))  in ext4_orphan_get()
1391 		brelse(bitmap_bh);  in ext4_orphan_get()
1407 	brelse(bitmap_bh);  in ext4_orphan_get()
1412 	if (bitmap_bh)  in ext4_orphan_get()
1414 		       bit, (unsigned long long)bitmap_bh->b_blocknr,  in ext4_orphan_get()
1415 		       ext4_test_bit(bit, bitmap_bh->b_data));  in ext4_orphan_get()
1428 	brelse(bitmap_bh);  in ext4_orphan_get()
1440 	struct buffer_head *bitmap_bh = NULL;  in ext4_count_free_inodes()  local
1451 		brelse(bitmap_bh);  in ext4_count_free_inodes()
1452 		bitmap_bh = ext4_read_inode_bitmap(sb, i);  in ext4_count_free_inodes()
1453 		if (IS_ERR(bitmap_bh)) {  in ext4_count_free_inodes()
1454 			bitmap_bh = NULL;  in ext4_count_free_inodes()
1458 		x = ext4_count_free(bitmap_bh->b_data,  in ext4_count_free_inodes()
1464 	brelse(bitmap_bh);  in ext4_count_free_inodes()