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, sb, bitmap_bh,  in ext4_free_inode()
316 	cleared = ext4_test_and_clear_bit(bit, bitmap_bh->b_data);  in ext4_free_inode()
330 	ext4_inode_bitmap_csum_set(sb, gdp, bitmap_bh,  in ext4_free_inode()
350 		BUFFER_TRACE(bitmap_bh, "call ext4_handle_dirty_metadata");  in ext4_free_inode()
351 		err = ext4_handle_dirty_metadata(handle, NULL, bitmap_bh);  in ext4_free_inode()
361 	brelse(bitmap_bh);  in ext4_free_inode()
1374 	struct buffer_head *bitmap_bh = NULL;  in ext4_orphan_get()  local
1383 	bitmap_bh = ext4_read_inode_bitmap(sb, block_group);  in ext4_orphan_get()
1384 	if (IS_ERR(bitmap_bh))  in ext4_orphan_get()
1385 		return ERR_CAST(bitmap_bh);  in ext4_orphan_get()
1391 	if (!ext4_test_bit(bit, bitmap_bh->b_data))  in ext4_orphan_get()
1400 		brelse(bitmap_bh);  in ext4_orphan_get()
1416 	brelse(bitmap_bh);  in ext4_orphan_get()
1421 	if (bitmap_bh)  in ext4_orphan_get()
1423 		       bit, (unsigned long long)bitmap_bh->b_blocknr,  in ext4_orphan_get()
1424 		       ext4_test_bit(bit, bitmap_bh->b_data));  in ext4_orphan_get()
1437 	brelse(bitmap_bh);  in ext4_orphan_get()
1449 	struct buffer_head *bitmap_bh = NULL;  in ext4_count_free_inodes()  local
1460 		brelse(bitmap_bh);  in ext4_count_free_inodes()
1461 		bitmap_bh = ext4_read_inode_bitmap(sb, i);  in ext4_count_free_inodes()
1462 		if (IS_ERR(bitmap_bh)) {  in ext4_count_free_inodes()
1463 			bitmap_bh = NULL;  in ext4_count_free_inodes()
1467 		x = ext4_count_free(bitmap_bh->b_data,  in ext4_count_free_inodes()
1473 	brelse(bitmap_bh);  in ext4_count_free_inodes()