829 			     struct buffer_head *bh_result, int create)  in ext4_get_block_unwritten()  argument
833 	return _ext4_get_block(inode, iblock, bh_result,  in ext4_get_block_unwritten()
846 				struct buffer_head *bh_result, int flags)  in ext4_get_block_trans()  argument
854 	if (bh_result->b_size >> inode->i_blkbits > DIO_MAX_BLOCKS)  in ext4_get_block_trans()
855 		bh_result->b_size = DIO_MAX_BLOCKS << inode->i_blkbits;  in ext4_get_block_trans()
857 				      bh_result->b_size >> inode->i_blkbits);  in ext4_get_block_trans()
863 	ret = _ext4_get_block(inode, iblock, bh_result, flags);  in ext4_get_block_trans()
889 		sector_t iblock, struct buffer_head *bh_result,	int create)  in ext4_dio_get_block_unwritten_async()  argument
896 	ret = ext4_get_block_trans(inode, iblock, bh_result,  in ext4_dio_get_block_unwritten_async()
906 	if (!ret && buffer_unwritten(bh_result)) {  in ext4_dio_get_block_unwritten_async()
907 		if (!bh_result->b_private) {  in ext4_dio_get_block_unwritten_async()
913 			bh_result->b_private = io_end;  in ext4_dio_get_block_unwritten_async()
916 		set_buffer_defer_completion(bh_result);  in ext4_dio_get_block_unwritten_async()
928 		sector_t iblock, struct buffer_head *bh_result,	int create)  in ext4_dio_get_block_unwritten_sync()  argument
935 	ret = ext4_get_block_trans(inode, iblock, bh_result,  in ext4_dio_get_block_unwritten_sync()
943 	if (!ret && buffer_unwritten(bh_result))  in ext4_dio_get_block_unwritten_sync()
950 		   struct buffer_head *bh_result, int create)  in ext4_dio_get_block_overwrite()  argument
959 	ret = _ext4_get_block(inode, iblock, bh_result, 0);  in ext4_dio_get_block_overwrite()
964 	WARN_ON_ONCE(!buffer_mapped(bh_result) || buffer_unwritten(bh_result));  in ext4_dio_get_block_overwrite()