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()
328 	ext4_inode_bitmap_csum_set(sb, block_group, gdp, bitmap_bh,  in ext4_free_inode()
348 		BUFFER_TRACE(bitmap_bh, "call ext4_handle_dirty_metadata");  in ext4_free_inode()
349 		err = ext4_handle_dirty_metadata(handle, NULL, bitmap_bh);  in ext4_free_inode()
359 	brelse(bitmap_bh);  in ext4_free_inode()
1370 	struct buffer_head *bitmap_bh = NULL;  in ext4_orphan_get()  local
1379 	bitmap_bh = ext4_read_inode_bitmap(sb, block_group);  in ext4_orphan_get()
1380 	if (IS_ERR(bitmap_bh))  in ext4_orphan_get()
1381 		return ERR_CAST(bitmap_bh);  in ext4_orphan_get()
1387 	if (!ext4_test_bit(bit, bitmap_bh->b_data))  in ext4_orphan_get()
1396 		brelse(bitmap_bh);  in ext4_orphan_get()
1412 	brelse(bitmap_bh);  in ext4_orphan_get()
1417 	if (bitmap_bh)  in ext4_orphan_get()
1419 		       bit, (unsigned long long)bitmap_bh->b_blocknr,  in ext4_orphan_get()
1420 		       ext4_test_bit(bit, bitmap_bh->b_data));  in ext4_orphan_get()
1433 	brelse(bitmap_bh);  in ext4_orphan_get()
1445 	struct buffer_head *bitmap_bh = NULL;  in ext4_count_free_inodes()  local
1456 		brelse(bitmap_bh);  in ext4_count_free_inodes()
1457 		bitmap_bh = ext4_read_inode_bitmap(sb, i);  in ext4_count_free_inodes()
1458 		if (IS_ERR(bitmap_bh)) {  in ext4_count_free_inodes()
1459 			bitmap_bh = NULL;  in ext4_count_free_inodes()
1463 		x = ext4_count_free(bitmap_bh->b_data,  in ext4_count_free_inodes()
1469 	brelse(bitmap_bh);  in ext4_count_free_inodes()