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, block_group, 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()
1372 	struct buffer_head *bitmap_bh = NULL;  in ext4_orphan_get()  local
1381 	bitmap_bh = ext4_read_inode_bitmap(sb, block_group);  in ext4_orphan_get()
1382 	if (IS_ERR(bitmap_bh))  in ext4_orphan_get()
1383 		return ERR_CAST(bitmap_bh);  in ext4_orphan_get()
1389 	if (!ext4_test_bit(bit, bitmap_bh->b_data))  in ext4_orphan_get()
1398 		brelse(bitmap_bh);  in ext4_orphan_get()
1414 	brelse(bitmap_bh);  in ext4_orphan_get()
1419 	if (bitmap_bh)  in ext4_orphan_get()
1421 		       bit, (unsigned long long)bitmap_bh->b_blocknr,  in ext4_orphan_get()
1422 		       ext4_test_bit(bit, bitmap_bh->b_data));  in ext4_orphan_get()
1435 	brelse(bitmap_bh);  in ext4_orphan_get()
1447 	struct buffer_head *bitmap_bh = NULL;  in ext4_count_free_inodes()  local
1458 		brelse(bitmap_bh);  in ext4_count_free_inodes()
1459 		bitmap_bh = ext4_read_inode_bitmap(sb, i);  in ext4_count_free_inodes()
1460 		if (IS_ERR(bitmap_bh)) {  in ext4_count_free_inodes()
1461 			bitmap_bh = NULL;  in ext4_count_free_inodes()
1465 		x = ext4_count_free(bitmap_bh->b_data,  in ext4_count_free_inodes()
1471 	brelse(bitmap_bh);  in ext4_count_free_inodes()